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-rw-r--r--Documentation/devicetree/bindings/powerpc/fsl/board.txt16
-rw-r--r--Documentation/vfio.txt87
-rw-r--r--MAINTAINERS4
-rw-r--r--arch/powerpc/boot/dts/fsl/p2041si-post.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/t2080si-post.dtsi69
-rw-r--r--arch/powerpc/boot/dts/fsl/t2081si-post.dtsi435
-rw-r--r--arch/powerpc/boot/dts/fsl/t208xsi-pre.dtsi99
-rw-r--r--arch/powerpc/boot/dts/fsl/t4240si-post.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi1
-rw-r--r--arch/powerpc/boot/dts/t2080qds.dts57
-rw-r--r--arch/powerpc/boot/dts/t2080rdb.dts57
-rw-r--r--arch/powerpc/boot/dts/t2081qds.dts46
-rw-r--r--arch/powerpc/boot/dts/t208xqds.dtsi239
-rw-r--r--arch/powerpc/boot/dts/t208xrdb.dtsi184
-rw-r--r--arch/powerpc/boot/dts/t4240rdb.dts186
-rw-r--r--arch/powerpc/boot/io.h2
-rw-r--r--arch/powerpc/configs/corenet32_smp_defconfig4
-rw-r--r--arch/powerpc/configs/corenet64_smp_defconfig5
-rw-r--r--arch/powerpc/configs/mpc85xx_defconfig3
-rw-r--r--arch/powerpc/configs/mpc85xx_smp_defconfig3
-rw-r--r--arch/powerpc/include/asm/cputable.h31
-rw-r--r--arch/powerpc/include/asm/eeh.h62
-rw-r--r--arch/powerpc/include/asm/exception-64s.h14
-rw-r--r--arch/powerpc/include/asm/fs_pd.h1
-rw-r--r--arch/powerpc/include/asm/hardirq.h1
-rw-r--r--arch/powerpc/include/asm/hw_irq.h1
-rw-r--r--arch/powerpc/include/asm/irqflags.h8
-rw-r--r--arch/powerpc/include/asm/jump_label.h9
-rw-r--r--arch/powerpc/include/asm/kvm_asm.h1
-rw-r--r--arch/powerpc/include/asm/machdep.h5
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h22
-rw-r--r--arch/powerpc/include/asm/mmu.h8
-rw-r--r--arch/powerpc/include/asm/mmu_context.h6
-rw-r--r--arch/powerpc/include/asm/mpc85xx.h2
-rw-r--r--arch/powerpc/include/asm/mpc8xx.h12
-rw-r--r--arch/powerpc/include/asm/opal.h194
-rw-r--r--arch/powerpc/include/asm/oprofile_impl.h1
-rw-r--r--arch/powerpc/include/asm/paca.h5
-rw-r--r--arch/powerpc/include/asm/perf_event_server.h5
-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h9
-rw-r--r--arch/powerpc/include/asm/pte-fsl-booke.h2
-rw-r--r--arch/powerpc/include/asm/pte-hash64-64k.h5
-rw-r--r--arch/powerpc/include/asm/reg.h2
-rw-r--r--arch/powerpc/include/asm/reg_booke.h57
-rw-r--r--arch/powerpc/include/asm/systbl.h4
-rw-r--r--arch/powerpc/include/asm/trace.h45
-rw-r--r--arch/powerpc/kernel/asm-offsets.c2
-rw-r--r--arch/powerpc/kernel/cputable.c94
-rw-r--r--arch/powerpc/kernel/eeh.c366
-rw-r--r--arch/powerpc/kernel/eeh_cache.c9
-rw-r--r--arch/powerpc/kernel/eeh_dev.c3
-rw-r--r--arch/powerpc/kernel/eeh_driver.c16
-rw-r--r--arch/powerpc/kernel/eeh_pe.c86
-rw-r--r--arch/powerpc/kernel/entry_64.S13
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S361
-rw-r--r--arch/powerpc/kernel/head_64.S30
-rw-r--r--arch/powerpc/kernel/idle_power7.S69
-rw-r--r--arch/powerpc/kernel/iommu.c4
-rw-r--r--arch/powerpc/kernel/irq.c14
-rw-r--r--arch/powerpc/kernel/process.c34
-rw-r--r--arch/powerpc/kernel/prom.c11
-rw-r--r--arch/powerpc/kernel/setup-common.c6
-rw-r--r--arch/powerpc/kernel/setup_64.c15
-rw-r--r--arch/powerpc/kernel/systbl.S3
-rw-r--r--arch/powerpc/kernel/traps.c26
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S6
-rw-r--r--arch/powerpc/lib/copyuser_64.S3
-rw-r--r--arch/powerpc/mm/Makefile4
-rw-r--r--arch/powerpc/mm/hash_utils_64.c26
-rw-r--r--arch/powerpc/mm/init_64.c132
-rw-r--r--arch/powerpc/mm/mmu_context_hash32.c2
-rw-r--r--arch/powerpc/mm/numa.c2
-rw-r--r--arch/powerpc/mm/pgtable_32.c2
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c2
-rw-r--r--arch/powerpc/mm/stab.c286
-rw-r--r--arch/powerpc/mm/tlb_low_64e.S69
-rw-r--r--arch/powerpc/oprofile/Makefile2
-rw-r--r--arch/powerpc/oprofile/common.c3
-rw-r--r--arch/powerpc/oprofile/op_model_rs64.c222
-rw-r--r--arch/powerpc/perf/core-book3s.c73
-rw-r--r--arch/powerpc/perf/mpc7450-pmu.c5
-rw-r--r--arch/powerpc/perf/power4-pmu.c2
-rw-r--r--arch/powerpc/perf/power5+-pmu.c2
-rw-r--r--arch/powerpc/perf/power5-pmu.c2
-rw-r--r--arch/powerpc/perf/power6-pmu.c2
-rw-r--r--arch/powerpc/perf/power7-pmu.c2
-rw-r--r--arch/powerpc/perf/power8-pmu.c27
-rw-r--r--arch/powerpc/perf/ppc970-pmu.c2
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig2
-rw-r--r--arch/powerpc/platforms/85xx/corenet_generic.c53
-rw-r--r--arch/powerpc/platforms/85xx/smp.c44
-rw-r--r--arch/powerpc/platforms/8xx/m8xx_setup.c3
-rw-r--r--arch/powerpc/platforms/8xx/mpc885ads_setup.c62
-rw-r--r--arch/powerpc/platforms/8xx/tqm8xx_setup.c1
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype18
-rw-r--r--arch/powerpc/platforms/powermac/Kconfig2
-rw-r--r--arch/powerpc/platforms/powermac/feature.c42
-rw-r--r--arch/powerpc/platforms/powernv/Makefile3
-rw-r--r--arch/powerpc/platforms/powernv/eeh-ioda.c393
-rw-r--r--arch/powerpc/platforms/powernv/eeh-powernv.c55
-rw-r--r--arch/powerpc/platforms/powernv/opal-async.c3
-rw-r--r--arch/powerpc/platforms/powernv/opal-hmi.c188
-rw-r--r--arch/powerpc/platforms/powernv/opal-lpc.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal-memory-errors.c3
-rw-r--r--arch/powerpc/platforms/powernv/opal-tracepoints.c84
-rw-r--r--arch/powerpc/platforms/powernv/opal-wrappers.S117
-rw-r--r--arch/powerpc/platforms/powernv/opal-xscom.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal.c52
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c499
-rw-r--r--arch/powerpc/platforms/powernv/pci-p5ioc2.c3
-rw-r--r--arch/powerpc/platforms/powernv/pci.c169
-rw-r--r--arch/powerpc/platforms/powernv/pci.h25
-rw-r--r--arch/powerpc/platforms/powernv/rng.c2
-rw-r--r--arch/powerpc/platforms/powernv/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/dtl.c3
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pseries.c40
-rw-r--r--arch/powerpc/platforms/pseries/hvCall.S172
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c3
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c30
-rw-r--r--arch/powerpc/platforms/pseries/mobility.c3
-rw-r--r--arch/powerpc/platforms/pseries/msi.c4
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c4
-rw-r--r--arch/powerpc/platforms/pseries/power.c5
-rw-r--r--arch/powerpc/platforms/pseries/ras.c2
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c5
-rw-r--r--arch/powerpc/platforms/pseries/rng.c2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/suspend.c5
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c4
-rw-r--r--arch/powerpc/sysdev/micropatch.c1
-rw-r--r--arch/powerpc/sysdev/mpic_msgr.c2
-rw-r--r--arch/powerpc/xmon/xmon.c34
-rw-r--r--drivers/cpufreq/powernv-cpufreq.c18
-rw-r--r--drivers/cpuidle/cpuidle-powernv.c16
-rw-r--r--drivers/memory/Kconfig10
-rw-r--r--drivers/memory/Makefile1
-rw-r--r--drivers/memory/fsl-corenet-cf.c251
-rw-r--r--drivers/net/ethernet/freescale/fs_enet/mac-fec.c1
-rw-r--r--drivers/net/ethernet/freescale/fs_enet/mac-scc.c1
-rw-r--r--drivers/pcmcia/Kconfig10
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/m8xx_pcmcia.c1168
-rw-r--r--drivers/vfio/Makefile1
-rw-r--r--drivers/vfio/pci/vfio_pci.c18
-rw-r--r--drivers/vfio/vfio_iommu_spapr_tce.c17
-rw-r--r--drivers/vfio/vfio_spapr_eeh.c87
-rw-r--r--include/linux/vfio.h23
-rw-r--r--include/uapi/linux/vfio.h34
-rw-r--r--tools/testing/selftests/powerpc/Makefile10
-rw-r--r--tools/testing/selftests/powerpc/pmu/Makefile19
-rw-r--r--tools/testing/selftests/powerpc/pmu/count_instructions.c30
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/Makefile5
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S271
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c91
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/ebb.c261
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/ebb.h1
-rw-r--r--tools/testing/selftests/powerpc/pmu/l3_bank_test.c48
-rw-r--r--tools/testing/selftests/powerpc/pmu/lib.c50
-rw-r--r--tools/testing/selftests/powerpc/pmu/lib.h1
-rw-r--r--tools/testing/selftests/powerpc/pmu/per_event_excludes.c114
161 files changed, 5477 insertions, 3284 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/board.txt b/Documentation/devicetree/bindings/powerpc/fsl/board.txt
index 700dec4774fa..cff38bdbc0e4 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/board.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/board.txt
@@ -84,3 +84,19 @@ Example:
compatible = "fsl,bsc9132qds-fpga", "fsl,fpga-qixis-i2c";
reg = <0x66>;
};
+
+* Freescale on-board CPLD
+
+Some Freescale boards like T1040RDB have an on board CPLD connected.
+
+Required properties:
+- compatible: Should be a board-specific string like "fsl,<board>-cpld"
+ Example:
+ "fsl,t1040rdb-cpld", "fsl,t1042rdb-cpld", "fsl,t1042rdb_pi-cpld"
+- reg: should describe CPLD registers
+
+Example:
+ cpld@3,0 {
+ compatible = "fsl,t1040rdb-cpld";
+ reg = <3 0 0x300>;
+ };
diff --git a/Documentation/vfio.txt b/Documentation/vfio.txt
index b9ca02370d46..96978eced341 100644
--- a/Documentation/vfio.txt
+++ b/Documentation/vfio.txt
@@ -305,7 +305,15 @@ faster, the map/unmap handling has been implemented in real mode which provides
an excellent performance which has limitations such as inability to do
locked pages accounting in real time.
-So 3 additional ioctls have been added:
+4) According to sPAPR specification, A Partitionable Endpoint (PE) is an I/O
+subtree that can be treated as a unit for the purposes of partitioning and
+error recovery. A PE may be a single or multi-function IOA (IO Adapter), a
+function of a multi-function IOA, or multiple IOAs (possibly including switch
+and bridge structures above the multiple IOAs). PPC64 guests detect PCI errors
+and recover from them via EEH RTAS services, which works on the basis of
+additional ioctl commands.
+
+So 4 additional ioctls have been added:
VFIO_IOMMU_SPAPR_TCE_GET_INFO - returns the size and the start
of the DMA window on the PCI bus.
@@ -316,9 +324,12 @@ So 3 additional ioctls have been added:
VFIO_IOMMU_DISABLE - disables the container.
+ VFIO_EEH_PE_OP - provides an API for EEH setup, error detection and recovery.
The code flow from the example above should be slightly changed:
+ struct vfio_eeh_pe_op pe_op = { .argsz = sizeof(pe_op), .flags = 0 };
+
.....
/* Add the group to the container */
ioctl(group, VFIO_GROUP_SET_CONTAINER, &container);
@@ -342,9 +353,79 @@ The code flow from the example above should be slightly changed:
dma_map.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE;
/* Check here is .iova/.size are within DMA window from spapr_iommu_info */
-
ioctl(container, VFIO_IOMMU_MAP_DMA, &dma_map);
- .....
+
+ /* Get a file descriptor for the device */
+ device = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "0000:06:0d.0");
+
+ ....
+
+ /* Gratuitous device reset and go... */
+ ioctl(device, VFIO_DEVICE_RESET);
+
+ /* Make sure EEH is supported */
+ ioctl(container, VFIO_CHECK_EXTENSION, VFIO_EEH);
+
+ /* Enable the EEH functionality on the device */
+ pe_op.op = VFIO_EEH_PE_ENABLE;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /* You're suggested to create additional data struct to represent
+ * PE, and put child devices belonging to same IOMMU group to the
+ * PE instance for later reference.
+ */
+
+ /* Check the PE's state and make sure it's in functional state */
+ pe_op.op = VFIO_EEH_PE_GET_STATE;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /* Save device state using pci_save_state().
+ * EEH should be enabled on the specified device.
+ */
+
+ ....
+
+ /* When 0xFF's returned from reading PCI config space or IO BARs
+ * of the PCI device. Check the PE's state to see if that has been
+ * frozen.
+ */
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /* Waiting for pending PCI transactions to be completed and don't
+ * produce any more PCI traffic from/to the affected PE until
+ * recovery is finished.
+ */
+
+ /* Enable IO for the affected PE and collect logs. Usually, the
+ * standard part of PCI config space, AER registers are dumped
+ * as logs for further analysis.
+ */
+ pe_op.op = VFIO_EEH_PE_UNFREEZE_IO;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /*
+ * Issue PE reset: hot or fundamental reset. Usually, hot reset
+ * is enough. However, the firmware of some PCI adapters would
+ * require fundamental reset.
+ */
+ pe_op.op = VFIO_EEH_PE_RESET_HOT;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+ pe_op.op = VFIO_EEH_PE_RESET_DEACTIVATE;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /* Configure the PCI bridges for the affected PE */
+ pe_op.op = VFIO_EEH_PE_CONFIGURE;
+ ioctl(container, VFIO_EEH_PE_OP, &pe_op);
+
+ /* Restored state we saved at initialization time. pci_restore_state()
+ * is good enough as an example.
+ */
+
+ /* Hopefully, error is recovered successfully. Now, you can resume to
+ * start PCI traffic to/from the affected PE.
+ */
+
+ ....
-------------------------------------------------------------------------------
diff --git a/MAINTAINERS b/MAINTAINERS
index 05e545096100..946a67e6c4ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5424,6 +5424,7 @@ F: arch/powerpc/boot/rs6000.h
LINUX FOR POWERPC (32-BIT AND 64-BIT)
M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
M: Paul Mackerras <paulus@samba.org>
+M: Michael Ellerman <mpe@ellerman.id.au>
W: http://www.penguinppc.org/
L: linuxppc-dev@lists.ozlabs.org
Q: http://patchwork.ozlabs.org/project/linuxppc-dev/list/
@@ -5465,16 +5466,17 @@ F: arch/powerpc/*/*/*virtex*
LINUX FOR POWERPC EMBEDDED PPC8XX
M: Vitaly Bordug <vitb@kernel.crashing.org>
-M: Marcelo Tosatti <marcelo@kvack.org>
W: http://www.penguinppc.org/
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: arch/powerpc/platforms/8xx/
LINUX FOR POWERPC EMBEDDED PPC83XX AND PPC85XX
+M: Scott Wood <scottwood@freescale.com>
M: Kumar Gala <galak@kernel.crashing.org>
W: http://www.penguinppc.org/
L: linuxppc-dev@lists.ozlabs.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git
S: Maintained
F: arch/powerpc/platforms/83xx/
F: arch/powerpc/platforms/85xx/
diff --git a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
index 5290df83ff30..69ce1026c948 100644
--- a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
@@ -359,6 +359,7 @@
compatible = "fsl,qoriq-core-mux-1.0";
clocks = <&pll0 0>, <&pll0 1>, <&pll1 0>, <&pll1 1>;
clock-names = "pll0", "pll0-div2", "pll1", "pll1-div2";
+ clock-output-names = "cmux2";
};
mux3: mux3@60 {
diff --git a/arch/powerpc/boot/dts/fsl/t2080si-post.dtsi b/arch/powerpc/boot/dts/fsl/t2080si-post.dtsi
new file mode 100644
index 000000000000..082ec2044060
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/t2080si-post.dtsi
@@ -0,0 +1,69 @@
+/*
+ * T2080 Silicon/SoC Device Tree Source (post include)
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/include/ "t2081si-post.dtsi"
+
+&soc {
+/include/ "qoriq-sata2-0.dtsi"
+ sata@220000 {
+ fsl,iommu-parent = <&pamu1>;
+ fsl,liodn-reg = <&guts 0x550>; /* SATA1LIODNR */
+ };
+
+/include/ "qoriq-sata2-1.dtsi"
+ sata@221000 {
+ fsl,iommu-parent = <&pamu1>;
+ fsl,liodn-reg = <&guts 0x554>; /* SATA2LIODNR */
+ };
+};
+
+&rio {
+ compatible = "fsl,srio";
+ interrupts = <16 2 1 11>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ port1 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ cell-index = <1>;
+ };
+
+ port2 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ cell-index = <2>;
+ };
+};
diff --git a/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi b/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
new file mode 100644
index 000000000000..97479f0ce630
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
@@ -0,0 +1,435 @@
+/*
+ * T2081 Silicon/SoC Device Tree Source (post include)
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+&ifc {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ compatible = "fsl,ifc", "simple-bus";
+ interrupts = <25 2 0 0>;
+};
+
+/* controller at 0x240000 */
+&pci0 {
+ compatible = "fsl,t2080-pcie", "fsl,qoriq-pcie-v3.0", "fsl,qoriq-pcie";
+ device_type = "pci";
+ #size-cells = <2>;
+ #address-cells = <3>;
+ bus-range = <0x0 0xff>;
+ interrupts = <20 2 0 0>;
+ fsl,iommu-parent = <&pamu0>;
+ pcie@0 {
+ reg = <0 0 0 0 0>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ interrupts = <20 2 0 0>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 40 1 0 0
+ 0000 0 0 2 &mpic 1 1 0 0
+ 0000 0 0 3 &mpic 2 1 0 0
+ 0000 0 0 4 &mpic 3 1 0 0
+ >;
+ };
+};
+
+/* controller at 0x250000 */
+&pci1 {
+ compatible = "fsl,t2080-pcie", "fsl,qoriq-pcie-v3.0", "fsl,qoriq-pcie";
+ device_type = "pci";
+ #size-cells = <2>;
+ #address-cells = <3>;
+ bus-range = <0 0xff>;
+ interrupts = <21 2 0 0>;
+ fsl,iommu-parent = <&pamu0>;
+ pcie@0 {
+ reg = <0 0 0 0 0>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ interrupts = <21 2 0 0>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 41 1 0 0
+ 0000 0 0 2 &mpic 5 1 0 0
+ 0000 0 0 3 &mpic 6 1 0 0
+ 0000 0 0 4 &mpic 7 1 0 0
+ >;
+ };
+};
+
+/* controller at 0x260000 */
+&pci2 {
+ compatible = "fsl,t2080-pcie", "fsl,qoriq-pcie-v3.0", "fsl,qoriq-pcie";
+ device_type = "pci";
+ #size-cells = <2>;
+ #address-cells = <3>;
+ bus-range = <0x0 0xff>;
+ interrupts = <22 2 0 0>;
+ fsl,iommu-parent = <&pamu0>;
+ pcie@0 {
+ reg = <0 0 0 0 0>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ interrupts = <22 2 0 0>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 42 1 0 0
+ 0000 0 0 2 &mpic 9 1 0 0
+ 0000 0 0 3 &mpic 10 1 0 0
+ 0000 0 0 4 &mpic 11 1 0 0
+ >;
+ };
+};
+
+/* controller at 0x270000 */
+&pci3 {
+ compatible = "fsl,t2080-pcie", "fsl,qoriq-pcie-v3.0", "fsl,qoriq-pcie";
+ device_type = "pci";
+ #size-cells = <2>;
+ #address-cells = <3>;
+ bus-range = <0x0 0xff>;
+ interrupts = <23 2 0 0>;
+ fsl,iommu-parent = <&pamu0>;
+ pcie@0 {
+ reg = <0 0 0 0 0>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ interrupts = <23 2 0 0>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 43 1 0 0
+ 0000 0 0 2 &mpic 0 1 0 0
+ 0000 0 0 3 &mpic 4 1 0 0
+ 0000 0 0 4 &mpic 8 1 0 0
+ >;
+ };
+};
+
+&dcsr {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,dcsr", "simple-bus";
+
+ dcsr-epu@0 {
+ compatible = "fsl,t2080-dcsr-epu", "fsl,dcsr-epu";
+ interrupts = <52 2 0 0
+ 84 2 0 0
+ 85 2 0 0
+ 94 2 0 0
+ 95 2 0 0>;
+ reg = <0x0 0x1000>;
+ };
+ dcsr-npc {
+ compatible = "fsl,t2080-dcsr-cnpc", "fsl,dcsr-cnpc";
+ reg = <0x1000 0x1000 0x1002000 0x10000>;
+ };
+ dcsr-nxc@2000 {
+ compatible = "fsl,dcsr-nxc";
+ reg = <0x2000 0x1000>;
+ };
+ dcsr-corenet {
+ compatible = "fsl,dcsr-corenet";
+ reg = <0x8000 0x1000 0x1A000 0x1000>;
+ };
+ dcsr-ocn@11000 {
+ compatible = "fsl,t2080-dcsr-ocn", "fsl,dcsr-ocn";
+ reg = <0x11000 0x1000>;
+ };
+ dcsr-ddr@12000 {
+ compatible = "fsl,dcsr-ddr";
+ dev-handle = <&ddr1>;
+ reg = <0x12000 0x1000>;
+ };
+ dcsr-nal@18000 {
+ compatible = "fsl,t2080-dcsr-nal", "fsl,dcsr-nal";
+ reg = <0x18000 0x1000>;
+ };
+ dcsr-rcpm@22000 {
+ compatible = "fsl,t2080-dcsr-rcpm", "fsl,dcsr-rcpm";
+ reg = <0x22000 0x1000>;
+ };
+ dcsr-snpc@30000 {
+ compatible = "fsl,t2080-dcsr-snpc", "fsl,dcsr-snpc";
+ reg = <0x30000 0x1000 0x1022000 0x10000>;
+ };
+ dcsr-snpc@31000 {
+ compatible = "fsl,t2080-dcsr-snpc", "fsl,dcsr-snpc";
+ reg = <0x31000 0x1000 0x1042000 0x10000>;
+ };
+ dcsr-snpc@32000 {
+ compatible = "fsl,t2080-dcsr-snpc", "fsl,dcsr-snpc";
+ reg = <0x32000 0x1000 0x1062000 0x10000>;
+ };
+ dcsr-cpu-sb-proxy@100000 {
+ compatible = "fsl,dcsr-e6500-sb-proxy", "fsl,dcsr-cpu-sb-proxy";
+ cpu-handle = <&cpu0>;
+ reg = <0x100000 0x1000 0x101000 0x1000>;
+ };
+ dcsr-cpu-sb-proxy@108000 {
+ compatible = "fsl,dcsr-e6500-sb-proxy", "fsl,dcsr-cpu-sb-proxy";
+ cpu-handle = <&cpu1>;
+ reg = <0x108000 0x1000 0x109000 0x1000>;
+ };
+ dcsr-cpu-sb-proxy@110000 {
+ compatible = "fsl,dcsr-e6500-sb-proxy", "fsl,dcsr-cpu-sb-proxy";
+ cpu-handle = <&cpu2>;
+ reg = <0x110000 0x1000 0x111000 0x1000>;
+ };
+ dcsr-cpu-sb-proxy@118000 {
+ compatible = "fsl,dcsr-e6500-sb-proxy", "fsl,dcsr-cpu-sb-proxy";
+ cpu-handle = <&cpu3>;
+ reg = <0x118000 0x1000 0x119000 0x1000>;
+ };
+};
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+ compatible = "simple-bus";
+
+ soc-sram-error {
+ compatible = "fsl,soc-sram-error";
+ interrupts = <16 2 1 29>;
+ };
+
+ corenet-law@0 {
+ compatible = "fsl,corenet-law";
+ reg = <0x0 0x1000>;
+ fsl,num-laws = <32>;
+ };
+
+ ddr1: memory-controller@8000 {
+ compatible = "fsl,qoriq-memory-controller-v4.7",
+ "fsl,qoriq-memory-controller";
+ reg = <0x8000 0x1000>;
+ interrupts = <16 2 1 23>;
+ };
+
+ cpc: l3-cache-controller@10000 {
+ compatible = "fsl,t2080-l3-cache-controller", "cache";
+ reg = <0x10000 0x1000
+ 0x11000 0x1000
+ 0x12000 0x1000>;
+ interrupts = <16 2 1 27
+ 16 2 1 26
+ 16 2 1 25>;
+ };
+
+ corenet-cf@18000 {
+ compatible = "fsl,corenet2-cf", "fsl,corenet-cf";
+ reg = <0x18000 0x1000>;
+ interrupts = <16 2 1 31>;
+ fsl,ccf-num-csdids = <32>;
+ fsl,ccf-num-snoopids = <32>;
+ };
+
+ iommu@20000 {
+ compatible = "fsl,pamu-v1.0", "fsl,pamu";
+ reg = <0x20000 0x3000>;
+ fsl,portid-mapping = <0x8000>;
+ ranges = <0 0x20000 0x3000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupts = <
+ 24 2 0 0
+ 16 2 1 30>;
+
+ pamu0: pamu@0 {
+ reg = <0 0x1000>;
+ fsl,primary-cache-geometry = <32 1>;
+ fsl,secondary-cache-geometry = <128 2>;
+ };
+
+ pamu1: pamu@1000 {
+ reg = <0x1000 0x1000>;
+ fsl,primary-cache-geometry = <32 1>;
+ fsl,secondary-cache-geometry = <128 2>;
+ };
+
+ pamu2: pamu@2000 {
+ reg = <0x2000 0x1000>;
+ fsl,primary-cache-geometry = <32 1>;
+ fsl,secondary-cache-geometry = <128 2>;
+ };
+ };
+
+/include/ "qoriq-mpic4.3.dtsi"
+
+ guts: global-utilities@e0000 {
+ compatible = "fsl,t2080-device-config", "fsl,qoriq-device-config-2.0";
+ reg = <0xe0000 0xe00>;
+ fsl,has-rstcr;
+ fsl,liodn-bits = <12>;
+ };
+
+ clockgen: global-utilities@e1000 {
+ compatible = "fsl,t2080-clockgen", "fsl,qoriq-clockgen-2.0";
+ ranges = <0x0 0xe1000 0x1000>;
+ reg = <0xe1000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sysclk: sysclk {
+ #clock-cells = <0>;
+ compatible = "fsl,qoriq-sysclk-2.0";
+ clock-output-names = "sysclk", "fixed-clock";
+ };
+
+ pll0: pll0@800 {
+ #clock-cells = <1>;
+ reg = <0x800 4>;
+ compatible = "fsl,qoriq-core-pll-2.0";
+ clocks = <&sysclk>;
+ clock-output-names = "pll0", "pll0-div2", "pll0-div4";
+ };
+
+ pll1: pll1@820 {
+ #clock-cells = <1>;
+ reg = <0x820 4>;
+ compatible = "fsl,qoriq-core-pll-2.0";
+ clocks = <&sysclk>;
+ clock-output-names = "pll1", "pll1-div2", "pll1-div4";
+ };
+
+ mux0: mux0@0 {
+ #clock-cells = <0>;
+ reg = <0x0 4>;
+ compatible = "fsl,qoriq-core-mux-2.0";
+ clocks = <&pll0 0>, <&pll0 1>, <&pll0 2>,
+ <&pll1 0>, <&pll1 1>, <&pll1 2>;
+ clock-names = "pll0", "pll0-div2", "pll1-div4",
+ "pll1", "pll1-div2", "pll1-div4";
+ clock-output-names = "cmux0";
+ };
+
+ mux1: mux1@20 {
+ #clock-cells = <0>;
+ reg = <0x20 4>;
+ compatible = "fsl,qoriq-core-mux-2.0";
+ clocks = <&pll0 0>, <&pll0 1>, <&pll0 2>,
+ <&pll1 0>, <&pll1 1>, <&pll1 2>;
+ clock-names = "pll0", "pll0-div2", "pll1-div4",
+ "pll1", "pll1-div2", "pll1-div4";
+ clock-output-names = "cmux1";
+ };
+ };
+
+ rcpm: global-utilities@e2000 {
+ compatible = "fsl,t2080-rcpm", "fsl,qoriq-rcpm-2.0";
+ reg = <0xe2000 0x1000>;
+ };
+
+ sfp: sfp@e8000 {
+ compatible = "fsl,t2080-sfp";
+ reg = <0xe8000 0x1000>;
+ };
+
+ serdes: serdes@ea000 {
+ compatible = "fsl,t2080-serdes";
+ reg = <0xea000 0x4000>;
+ };
+
+/include/ "elo3-dma-0.dtsi"
+ dma@100300 {
+ fsl,iommu-parent = <&pamu0>;
+ fsl,liodn-reg = <&guts 0x580>; /* DMA1LIODNR */
+ };
+/include/ "elo3-dma-1.dtsi"
+ dma@101300 {
+ fsl,iommu-parent = <&pamu0>;
+ fsl,liodn-reg = <&guts 0x584>; /* DMA2LIODNR */
+ };
+/include/ "elo3-dma-2.dtsi"
+ dma@102300 {
+ fsl,iommu-parent = <&pamu0>;
+ fsl,liodn-reg = <&guts 0x588>; /* DMA3LIODNR */
+ };
+
+/include/ "qoriq-espi-0.dtsi"
+ spi@110000 {
+ fsl,espi-num-chipselects = <4>;
+ };
+
+/include/ "qoriq-esdhc-0.dtsi"
+ sdhc@114000 {
+ compatible = "fsl,t2080-esdhc", "fsl,esdhc";
+ fsl,iommu-parent = <&pamu1>;
+ fsl,liodn-reg = <&guts 0x530>; /* SDMMCLIODNR */
+ sdhci,auto-cmd12;
+ };
+/include/ "qoriq-i2c-0.dtsi"
+/include/ "qoriq-i2c-1.dtsi"
+/include/ "qoriq-duart-0.dtsi"
+/include/ "qoriq-duart-1.dtsi"
+/include/ "qoriq-gpio-0.dtsi"
+/include/ "qoriq-gpio-1.dtsi"
+/include/ "qoriq-gpio-2.dtsi"
+/include/ "qoriq-gpio-3.dtsi"
+/include/ "qoriq-usb2-mph-0.dtsi"
+ usb0: usb@210000 {
+ compatible = "fsl-usb2-mph-v2.4", "fsl-usb2-mph";
+ fsl,iommu-parent = <&pamu1>;
+ fsl,liodn-reg = <&guts 0x520>; /* USB1LIODNR */
+ phy_type = "utmi";
+ port0;
+ };
+/include/ "qoriq-usb2-dr-0.dtsi"
+ usb1: usb@211000 {
+ compatible = "fsl-usb2-dr-v2.4", "fsl-usb2-dr";
+ fsl,iommu-parent = <&pamu1>;
+ fsl,liodn-reg = <&guts 0x524>; /* USB1LIODNR */
+ dr_mode = "host";
+ phy_type = "utmi";
+ };
+/include/ "qoriq-sec5.2-0.dtsi"
+
+ L2_1: l2-cache-controller@c20000 {
+ /* Cluster 0 L2 cache */
+ compatible = "fsl,t2080-l2-cache-controller";
+ reg = <0xc20000 0x40000>;
+ next-level-cache = <&cpc>;
+ };
+};
diff --git a/arch/powerpc/boot/dts/fsl/t208xsi-pre.dtsi b/arch/powerpc/boot/dts/fsl/t208xsi-pre.dtsi
new file mode 100644
index 000000000000..e71ceb0e1100
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/t208xsi-pre.dtsi
@@ -0,0 +1,99 @@
+/*
+ * T2080/T2081 Silicon/SoC Device Tree Source (pre include)
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+/include/ "e6500_power_isa.dtsi"
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ aliases {
+ ccsr = &soc;
+ dcsr = &dcsr;
+
+ serial0 = &serial0;
+ serial1 = &serial1;
+ serial2 = &serial2;
+ serial3 = &serial3;
+
+ crypto = &crypto;
+ pci0 = &pci0;
+ pci1 = &pci1;
+ pci2 = &pci2;
+ pci3 = &pci3;
+ usb0 = &usb0;
+ usb1 = &usb1;
+ dma0 = &dma0;
+ dma1 = &dma1;
+ dma2 = &dma2;
+ sdhc = &sdhc;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: PowerPC,e6500@0 {
+ device_type = "cpu";
+ reg = <0 1>;
+ clocks = <&mux0>;
+ next-level-cache = <&L2_1>;
+ fsl,portid-mapping = <0x80000000>;
+ };
+ cpu1: PowerPC,e6500@2 {
+ device_type = "cpu";
+ reg = <2 3>;
+ clocks = <&mux0>;
+ next-level-cache = <&L2_1>;
+ fsl,portid-mapping = <0x80000000>;
+ };
+ cpu2: PowerPC,e6500@4 {
+ device_type = "cpu";
+ reg = <4 5>;
+ clocks = <&mux0>;
+ next-level-cache = <&L2_1>;
+ fsl,portid-mapping = <0x80000000>;
+ };
+ cpu3: PowerPC,e6500@6 {
+ device_type = "cpu";
+ reg = <6 7>;
+ clocks = <&mux0>;
+ next-level-cache = <&L2_1>;
+ fsl,portid-mapping = <0x80000000>;
+ };
+ };
+};
diff --git a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
index 793669baa13e..a3d582e0361a 100644
--- a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
@@ -476,6 +476,7 @@
/include/ "elo3-dma-0.dtsi"
/include/ "elo3-dma-1.dtsi"
+/include/ "elo3-dma-2.dtsi"
/include/ "qoriq-espi-0.dtsi"
spi@110000 {
diff --git a/arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi b/arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi
index d2f157edbe81..261a3abb1a55 100644
--- a/arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi
@@ -57,6 +57,7 @@
pci3 = &pci3;
dma0 = &dma0;
dma1 = &dma1;
+ dma2 = &dma2;
sdhc = &sdhc;
};
diff --git a/arch/powerpc/boot/dts/t2080qds.dts b/arch/powerpc/boot/dts/t2080qds.dts
new file mode 100644
index 000000000000..aa1d6d8c169b
--- /dev/null
+++ b/arch/powerpc/boot/dts/t2080qds.dts
@@ -0,0 +1,57 @@
+/*
+ * T2080QDS Device Tree Source
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/include/ "fsl/t208xsi-pre.dtsi"
+/include/ "t208xqds.dtsi"
+
+/ {
+ model = "fsl,T2080QDS";
+ compatible = "fsl,T2080QDS";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ rio: rapidio@ffe0c0000 {
+ reg = <0xf 0xfe0c0000 0 0x11000>;
+
+ port1 {
+ ranges = <0 0 0xc 0x20000000 0 0x10000000>;
+ };
+ port2 {
+ ranges = <0 0 0xc 0x30000000 0 0x10000000>;
+ };
+ };
+};
+
+/include/ "fsl/t2080si-post.dtsi"
diff --git a/arch/powerpc/boot/dts/t2080rdb.dts b/arch/powerpc/boot/dts/t2080rdb.dts
new file mode 100644
index 000000000000..e8891047600c
--- /dev/null
+++ b/arch/powerpc/boot/dts/t2080rdb.dts
@@ -0,0 +1,57 @@
+/*
+ * T2080PCIe-RDB Board Device Tree Source
+ *
+ * Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/include/ "fsl/t208xsi-pre.dtsi"
+/include/ "t208xrdb.dtsi"
+
+/ {
+ model = "fsl,T2080RDB";
+ compatible = "fsl,T2080RDB";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ rio: rapidio@ffe0c0000 {
+ reg = <0xf 0xfe0c0000 0 0x11000>;
+
+ port1 {
+ ranges = <0 0 0xc 0x20000000 0 0x10000000>;
+ };
+ port2 {
+ ranges = <0 0 0xc 0x30000000 0 0x10000000>;
+ };
+ };
+};
+
+/include/ "fsl/t2080si-post.dtsi"
diff --git a/arch/powerpc/boot/dts/t2081qds.dts b/arch/powerpc/boot/dts/t2081qds.dts
new file mode 100644
index 000000000000..8ec80a71e102
--- /dev/null
+++ b/arch/powerpc/boot/dts/t2081qds.dts
@@ -0,0 +1,46 @@
+/*
+ * T2081QDS Device Tree Source
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/include/ "fsl/t208xsi-pre.dtsi"
+/include/ "t208xqds.dtsi"
+
+/ {
+ model = "fsl,T2081QDS";
+ compatible = "fsl,T2081QDS";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+};
+
+/include/ "fsl/t2081si-post.dtsi"
diff --git a/arch/powerpc/boot/dts/t208xqds.dtsi b/arch/powerpc/boot/dts/t208xqds.dtsi
new file mode 100644
index 000000000000..555dc6e03d89
--- /dev/null
+++ b/arch/powerpc/boot/dts/t208xqds.dtsi
@@ -0,0 +1,239 @@
+/*
+ * T2080/T2081 QDS Device Tree Source
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/ {
+ model = "fsl,T2080QDS";
+ compatible = "fsl,T2080QDS";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ ifc: localbus@ffe124000 {
+ reg = <0xf 0xfe124000 0 0x2000>;
+ ranges = <0 0 0xf 0xe8000000 0x08000000
+ 2 0 0xf 0xff800000 0x00010000
+ 3 0 0xf 0xffdf0000 0x00008000>;
+
+ nor@0,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0x0 0x0 0x8000000>;
+ bank-width = <2>;
+ device-width = <1>;
+ };
+
+ nand@2,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,ifc-nand";
+ reg = <0x2 0x0 0x10000>;
+ };
+
+ boardctrl: board-control@3,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,fpga-qixis";
+ reg = <3 0 0x300>;
+ ranges = <0 3 0 0x300>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ };
+
+ dcsr: dcsr@f00000000 {
+ ranges = <0x00000000 0xf 0x00000000 0x01072000>;
+ };
+
+ soc: soc@ffe000000 {
+ ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
+ reg = <0xf 0xfe000000 0 0x00001000>;
+ spi@110000 {
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "micron,n25q128a11"; /* 16MB */
+ reg = <0>;
+ spi-max-frequency = <40000000>; /* input clock */
+ };
+
+ flash@1 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "sst,sst25wf040";
+ reg = <1>;
+ spi-max-frequency = <35000000>;
+ };
+
+ flash@2 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "eon,en25s64";
+ reg = <2>;
+ spi-max-frequency = <35000000>;
+ };
+ };
+
+ i2c@118000 {
+ pca9547@77 {
+ compatible = "nxp,pca9547";
+ reg = <0x77>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0>;
+
+ eeprom@50 {
+ compatible = "at24,24c512";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "at24,24c02";
+ reg = <0x51>;
+ };
+
+ eeprom@57 {
+ compatible = "at24,24c02";
+ reg = <0x57>;
+ };
+
+ rtc@68 {
+ compatible = "dallas,ds3232";
+ reg = <0x68>;
+ interrupts = <0x1 0x1 0 0>;
+ };
+ };
+
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1>;
+
+ eeprom@55 {
+ compatible = "at24,24c02";
+ reg = <0x55>;
+ };
+ };
+
+ i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x2>;
+
+ ina220@40 {
+ compatible = "ti,ina220";
+ reg = <0x40>;
+ shunt-resistor = <1000>;
+ };
+
+ ina220@41 {
+ compatible = "ti,ina220";
+ reg = <0x41>;
+ shunt-resistor = <1000>;
+ };
+ };
+ };
+ };
+
+ sdhc@114000 {
+ voltage-ranges = <1800 1800 3300 3300>;
+ };
+ };
+
+ pci0: pcie@ffe240000 {
+ reg = <0xf 0xfe240000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci1: pcie@ffe250000 {
+ reg = <0xf 0xfe250000 0 0x10000>;
+ ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x10000000
+ 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci2: pcie@ffe260000 {
+ reg = <0xf 0xfe260000 0 0x1000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x30000000 0 0x10000000
+ 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci3: pcie@ffe270000 {
+ reg = <0xf 0xfe270000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x10000000
+ 0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+};
diff --git a/arch/powerpc/boot/dts/t208xrdb.dtsi b/arch/powerpc/boot/dts/t208xrdb.dtsi
new file mode 100644
index 000000000000..1481e192e783
--- /dev/null
+++ b/arch/powerpc/boot/dts/t208xrdb.dtsi
@@ -0,0 +1,184 @@
+/*
+ * T2080PCIe-RDB Board Device Tree Source
+ *
+ * Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/ {
+ model = "fsl,T2080RDB";
+ compatible = "fsl,T2080RDB";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ ifc: localbus@ffe124000 {
+ reg = <0xf 0xfe124000 0 0x2000>;
+ ranges = <0 0 0xf 0xe8000000 0x08000000
+ 2 0 0xf 0xff800000 0x00010000
+ 3 0 0xf 0xffdf0000 0x00008000>;
+
+ nor@0,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0x0 0x0 0x8000000>;
+
+ bank-width = <2>;
+ device-width = <1>;
+ };
+
+ nand@1,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,ifc-nand";
+ reg = <0x2 0x0 0x10000>;
+ };
+
+ boardctrl: board-control@2,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,t2080-cpld";
+ reg = <3 0 0x300>;
+ ranges = <0 3 0 0x300>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ };
+
+ dcsr: dcsr@f00000000 {
+ ranges = <0x00000000 0xf 0x00000000 0x01072000>;
+ };
+
+ soc: soc@ffe000000 {
+ ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
+ reg = <0xf 0xfe000000 0 0x00001000>;
+ spi@110000 {
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "micron,n25q512a";
+ reg = <0>;
+ spi-max-frequency = <10000000>; /* input clock */
+ };
+ };
+
+ i2c@118000 {
+ adt7481@4c {
+ compatible = "adi,adt7481";
+ reg = <0x4c>;
+ };
+
+ rtc@68 {
+ compatible = "dallas,ds1339";
+ reg = <0x68>;
+ interrupts = <0x1 0x1 0 0>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c256";
+ reg = <0x50>;
+ };
+ };
+
+ i2c@118100 {
+ pca9546@77 {
+ compatible = "nxp,pca9546";
+ reg = <0x77>;
+ };
+ };
+
+ sdhc@114000 {
+ voltage-ranges = <1800 1800 3300 3300>;
+ };
+ };
+
+ pci0: pcie@ffe240000 {
+ reg = <0xf 0xfe240000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci1: pcie@ffe250000 {
+ reg = <0xf 0xfe250000 0 0x10000>;
+ ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x10000000
+ 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci2: pcie@ffe260000 {
+ reg = <0xf 0xfe260000 0 0x1000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x30000000 0 0x10000000
+ 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci3: pcie@ffe270000 {
+ reg = <0xf 0xfe270000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x10000000
+ 0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+};
diff --git a/arch/powerpc/boot/dts/t4240rdb.dts b/arch/powerpc/boot/dts/t4240rdb.dts
new file mode 100644
index 000000000000..53761d4e8c51
--- /dev/null
+++ b/arch/powerpc/boot/dts/t4240rdb.dts
@@ -0,0 +1,186 @@
+/*
+ * T4240RDB Device Tree Source
+ *
+ * Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/include/ "fsl/t4240si-pre.dtsi"
+
+/ {
+ model = "fsl,T4240RDB";
+ compatible = "fsl,T4240RDB";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ ifc: localbus@ffe124000 {
+ reg = <0xf 0xfe124000 0 0x2000>;
+ ranges = <0 0 0xf 0xe8000000 0x08000000
+ 2 0 0xf 0xff800000 0x00010000
+ 3 0 0xf 0xffdf0000 0x00008000>;
+
+ nor@0,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0x0 0x0 0x8000000>;
+
+ bank-width = <2>;
+ device-width = <1>;
+ };
+
+ nand@2,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,ifc-nand";
+ reg = <0x2 0x0 0x10000>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ };
+
+ dcsr: dcsr@f00000000 {
+ ranges = <0x00000000 0xf 0x00000000 0x01072000>;
+ };
+
+ soc: soc@ffe000000 {
+ ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
+ reg = <0xf 0xfe000000 0 0x00001000>;
+ spi@110000 {
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "sst,sst25wf040";
+ reg = <0>;
+ spi-max-frequency = <40000000>; /* input clock */
+ };
+ };
+
+ i2c@118000 {
+ eeprom@52 {
+ compatible = "at24,24c256";
+ reg = <0x52>;
+ };
+ eeprom@54 {
+ compatible = "at24,24c256";
+ reg = <0x54>;
+ };
+ eeprom@56 {
+ compatible = "at24,24c256";
+ reg = <0x56>;
+ };
+ rtc@68 {
+ compatible = "dallas,ds1374";
+ reg = <0x68>;
+ interrupts = <0x1 0x1 0 0>;
+ };
+ };
+
+ sdhc@114000 {
+ voltage-ranges = <1800 1800 3300 3300>;
+ };
+ };
+
+ pci0: pcie@ffe240000 {
+ reg = <0xf 0xfe240000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci1: pcie@ffe250000 {
+ reg = <0xf 0xfe250000 0 0x10000>;
+ ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000
+ 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci2: pcie@ffe260000 {
+ reg = <0xf 0xfe260000 0 0x1000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci3: pcie@ffe270000 {
+ reg = <0xf 0xfe270000 0 0x10000>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x60000000 0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>;
+ pcie@0 {
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ rio: rapidio@ffe0c0000 {
+ reg = <0xf 0xfe0c0000 0 0x11000>;
+
+ port1 {
+ ranges = <0 0 0xc 0x20000000 0 0x10000000>;
+ };
+ port2 {
+ ranges = <0 0 0xc 0x30000000 0 0x10000000>;
+ };
+ };
+};
+
+/include/ "fsl/t4240si-post.dtsi"
diff --git a/arch/powerpc/boot/io.h b/arch/powerpc/boot/io.h
index 7c09f4861fe1..394da5500466 100644
--- a/arch/powerpc/boot/io.h
+++ b/arch/powerpc/boot/io.h
@@ -1,5 +1,5 @@
#ifndef _IO_H
-#define __IO_H
+#define _IO_H
#include "types.h"
diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
index c19ff057d0f9..6a3c58adf253 100644
--- a/arch/powerpc/configs/corenet32_smp_defconfig
+++ b/arch/powerpc/configs/corenet32_smp_defconfig
@@ -139,8 +139,9 @@ CONFIG_EDAC=y
CONFIG_EDAC_MM_EDAC=y
CONFIG_EDAC_MPC85XX=y
CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_DS3232=y
-CONFIG_RTC_DRV_CMOS=y
CONFIG_UIO=y
CONFIG_STAGING=y
CONFIG_VIRT_DRIVERS=y
@@ -179,3 +180,4 @@ CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DEV_FSL_CAAM=y
+CONFIG_FSL_CORENET_CF=y
diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
index 5c7fa19ae4ef..4b07bade1ba9 100644
--- a/arch/powerpc/configs/corenet64_smp_defconfig
+++ b/arch/powerpc/configs/corenet64_smp_defconfig
@@ -123,6 +123,10 @@ CONFIG_USB_EHCI_FSL=y
CONFIG_USB_STORAGE=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1374=y
+CONFIG_RTC_DRV_DS3232=y
CONFIG_EDAC=y
CONFIG_EDAC_MM_EDAC=y
CONFIG_DMADEVICES=y
@@ -175,3 +179,4 @@ CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DEV_FSL_CAAM=y
+CONFIG_FSL_CORENET_CF=y
diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
index 55765c8cb08f..fa1bfd37f1ec 100644
--- a/arch/powerpc/configs/mpc85xx_defconfig
+++ b/arch/powerpc/configs/mpc85xx_defconfig
@@ -209,6 +209,9 @@ CONFIG_MMC_SDHCI_OF_ESDHC=y
CONFIG_EDAC=y
CONFIG_EDAC_MM_EDAC=y
CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1374=y
+CONFIG_RTC_DRV_DS3232=y
CONFIG_RTC_DRV_CMOS=y
CONFIG_RTC_DRV_DS1307=y
CONFIG_DMADEVICES=y
diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
index 5c6ecdc0f70e..0b452ebd8b3d 100644
--- a/arch/powerpc/configs/mpc85xx_smp_defconfig
+++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -210,6 +210,9 @@ CONFIG_MMC_SDHCI_OF_ESDHC=y
CONFIG_EDAC=y
CONFIG_EDAC_MM_EDAC=y
CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1374=y
+CONFIG_RTC_DRV_DS3232=y
CONFIG_RTC_DRV_CMOS=y
CONFIG_RTC_DRV_DS1307=y
CONFIG_DMADEVICES=y
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 0fdd7eece6d9..642e436d4595 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -195,8 +195,7 @@ extern const char *powerpc_base_platform;
#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN)
-#define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_SLB | MMU_FTR_TLBIEL | \
- MMU_FTR_16M_PAGE)
+#define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
/* We only set the altivec features if the kernel was compiled with altivec
* support
@@ -268,10 +267,6 @@ extern const char *powerpc_base_platform;
#define CPU_FTR_MAYBE_CAN_NAP 0
#endif
-#define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
- !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
- !defined(CONFIG_BOOKE))
-
#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | \
CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE)
#define CPU_FTRS_603 (CPU_FTR_COMMON | \
@@ -396,15 +391,10 @@ extern const char *powerpc_base_platform;
CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
- CPU_FTR_CELL_TB_BUG)
+ CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
#define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
/* 64-bit CPUs */
-#define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | \
- CPU_FTR_IABR | CPU_FTR_PPC_LE)
-#define CPU_FTRS_RS64 (CPU_FTR_USE_TB | \
- CPU_FTR_IABR | \
- CPU_FTR_MMCRA | CPU_FTR_CTRL)
#define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \
@@ -467,15 +457,14 @@ extern const char *powerpc_base_platform;
#define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2)
#else
#define CPU_FTRS_POSSIBLE \
- (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \
- CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \
- CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
- CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_VSX)
+ (CPU_FTRS_POWER4 | CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
+ CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
+ CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_VSX)
#endif
#else
enum {
CPU_FTRS_POSSIBLE =
-#if CLASSIC_PPC
+#ifdef CONFIG_PPC_BOOK3S_32
CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
@@ -518,14 +507,14 @@ enum {
#define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2)
#else
#define CPU_FTRS_ALWAYS \
- (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \
- CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \
- CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
+ (CPU_FTRS_POWER4 & CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
+ CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
+ CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
#endif
#else
enum {
CPU_FTRS_ALWAYS =
-#if CLASSIC_PPC
+#ifdef CONFIG_PPC_BOOK3S_32
CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index fab7743c2640..9983c3d26bca 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -25,6 +25,7 @@
#include <linux/list.h>
#include <linux/string.h>
#include <linux/time.h>
+#include <linux/atomic.h>
struct pci_dev;
struct pci_bus;
@@ -33,10 +34,11 @@ struct device_node;
#ifdef CONFIG_EEH
/* EEH subsystem flags */
-#define EEH_ENABLED 0x1 /* EEH enabled */
-#define EEH_FORCE_DISABLED 0x2 /* EEH disabled */
-#define EEH_PROBE_MODE_DEV 0x4 /* From PCI device */
-#define EEH_PROBE_MODE_DEVTREE 0x8 /* From device tree */
+#define EEH_ENABLED 0x01 /* EEH enabled */
+#define EEH_FORCE_DISABLED 0x02 /* EEH disabled */
+#define EEH_PROBE_MODE_DEV 0x04 /* From PCI device */
+#define EEH_PROBE_MODE_DEVTREE 0x08 /* From device tree */
+#define EEH_ENABLE_IO_FOR_LOG 0x10 /* Enable IO for log */
/*
* Delay for PE reset, all in ms
@@ -84,7 +86,9 @@ struct eeh_pe {
int freeze_count; /* Times of froze up */
struct timeval tstamp; /* Time on first-time freeze */
int false_positives; /* Times of reported #ff's */
+ atomic_t pass_dev_cnt; /* Count of passed through devs */
struct eeh_pe *parent; /* Parent PE */
+ void *data; /* PE auxillary data */
struct list_head child_list; /* Link PE to the child list */
struct list_head edevs; /* Link list of EEH devices */
struct list_head child; /* Child PEs */
@@ -93,6 +97,11 @@ struct eeh_pe {
#define eeh_pe_for_each_dev(pe, edev, tmp) \
list_for_each_entry_safe(edev, tmp, &pe->edevs, list)
+static inline bool eeh_pe_passed(struct eeh_pe *pe)
+{
+ return pe ? !!atomic_read(&pe->pass_dev_cnt) : false;
+}
+
/*
* The struct is used to trace EEH state for the associated
* PCI device node or PCI device. In future, it might
@@ -165,6 +174,11 @@ enum {
#define EEH_STATE_DMA_ACTIVE (1 << 4) /* Active DMA */
#define EEH_STATE_MMIO_ENABLED (1 << 5) /* MMIO enabled */
#define EEH_STATE_DMA_ENABLED (1 << 6) /* DMA enabled */
+#define EEH_PE_STATE_NORMAL 0 /* Normal state */
+#define EEH_PE_STATE_RESET 1 /* PE reset asserted */
+#define EEH_PE_STATE_STOPPED_IO_DMA 2 /* Frozen PE */
+#define EEH_PE_STATE_STOPPED_DMA 4 /* Stopped DMA, Enabled IO */
+#define EEH_PE_STATE_UNAVAIL 5 /* Unavailable */
#define EEH_RESET_DEACTIVATE 0 /* Deactivate the PE reset */
#define EEH_RESET_HOT 1 /* Hot reset */
#define EEH_RESET_FUNDAMENTAL 3 /* Fundamental reset */
@@ -194,36 +208,28 @@ extern int eeh_subsystem_flags;
extern struct eeh_ops *eeh_ops;
extern raw_spinlock_t confirm_error_lock;
-static inline bool eeh_enabled(void)
+static inline void eeh_add_flag(int flag)
{
- if ((eeh_subsystem_flags & EEH_FORCE_DISABLED) ||
- !(eeh_subsystem_flags & EEH_ENABLED))
- return false;
-
- return true;
+ eeh_subsystem_flags |= flag;
}
-static inline void eeh_set_enable(bool mode)
+static inline void eeh_clear_flag(int flag)
{
- if (mode)
- eeh_subsystem_flags |= EEH_ENABLED;
- else
- eeh_subsystem_flags &= ~EEH_ENABLED;
+ eeh_subsystem_flags &= ~flag;
}
-static inline void eeh_probe_mode_set(int flag)
+static inline bool eeh_has_flag(int flag)
{
- eeh_subsystem_flags |= flag;
+ return !!(eeh_subsystem_flags & flag);
}
-static inline int eeh_probe_mode_devtree(void)
+static inline bool eeh_enabled(void)
{
- return (eeh_subsystem_flags & EEH_PROBE_MODE_DEVTREE);
-}
+ if (eeh_has_flag(EEH_FORCE_DISABLED) ||
+ !eeh_has_flag(EEH_ENABLED))
+ return false;
-static inline int eeh_probe_mode_dev(void)
-{
- return (eeh_subsystem_flags & EEH_PROBE_MODE_DEV);
+ return true;
}
static inline void eeh_serialize_lock(unsigned long *flags)
@@ -243,6 +249,7 @@ static inline void eeh_serialize_unlock(unsigned long flags)
#define EEH_MAX_ALLOWED_FREEZES 5
typedef void *(*eeh_traverse_func)(void *data, void *flag);
+void eeh_set_pe_aux_size(int size);
int eeh_phb_pe_create(struct pci_controller *phb);
struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb);
struct eeh_pe *eeh_pe_get(struct eeh_dev *edev);
@@ -272,6 +279,13 @@ void eeh_add_device_late(struct pci_dev *);
void eeh_add_device_tree_late(struct pci_bus *);
void eeh_add_sysfs_files(struct pci_bus *);
void eeh_remove_device(struct pci_dev *);
+int eeh_dev_open(struct pci_dev *pdev);
+void eeh_dev_release(struct pci_dev *pdev);
+struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group);
+int eeh_pe_set_option(struct eeh_pe *pe, int option);
+int eeh_pe_get_state(struct eeh_pe *pe);
+int eeh_pe_reset(struct eeh_pe *pe, int option);
+int eeh_pe_configure(struct eeh_pe *pe);
/**
* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
@@ -295,8 +309,6 @@ static inline bool eeh_enabled(void)
return false;
}
-static inline void eeh_set_enable(bool mode) { }
-
static inline int eeh_init(void)
{
return 0;
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 8f35cd7d59cc..77f52b26dad6 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -425,6 +425,8 @@ label##_relon_hv: \
#define SOFTEN_VALUE_0xa00 PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe80 PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe82 PACA_IRQ_DBELL
+#define SOFTEN_VALUE_0xe60 PACA_IRQ_HMI
+#define SOFTEN_VALUE_0xe62 PACA_IRQ_HMI
#define __SOFTEN_TEST(h, vec) \
lbz r10,PACASOFTIRQEN(r13); \
@@ -513,8 +515,11 @@ label##_relon_hv: \
* runlatch, etc...
*/
-/* Exception addition: Hard disable interrupts */
-#define DISABLE_INTS RECONCILE_IRQ_STATE(r10,r11)
+/*
+ * This addition reconciles our actual IRQ state with the various software
+ * flags that track it. This may call C code.
+ */
+#define ADD_RECONCILE RECONCILE_IRQ_STATE(r10,r11)
#define ADD_NVGPRS \
bl save_nvgprs
@@ -532,6 +537,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
.globl label##_common; \
label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
+ /* Volatile regs are potentially clobbered here */ \
additions; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \
@@ -539,7 +545,7 @@ label##_common: \
#define STD_EXCEPTION_COMMON(trap, label, hdlr) \
EXCEPTION_COMMON(trap, label, hdlr, ret_from_except, \
- ADD_NVGPRS;DISABLE_INTS)
+ ADD_NVGPRS;ADD_RECONCILE)
/*
* Like STD_EXCEPTION_COMMON, but for exceptions that can occur
@@ -548,7 +554,7 @@ label##_common: \
*/
#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \
EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \
- FINISH_NAP;DISABLE_INTS;RUNLATCH_ON)
+ FINISH_NAP;ADD_RECONCILE;RUNLATCH_ON)
/*
* When the idle code in power4_idle puts the CPU into NAP mode,
diff --git a/arch/powerpc/include/asm/fs_pd.h b/arch/powerpc/include/asm/fs_pd.h
index 9361cd5342cc..f79d6c74eb2a 100644
--- a/arch/powerpc/include/asm/fs_pd.h
+++ b/arch/powerpc/include/asm/fs_pd.h
@@ -28,7 +28,6 @@
#ifdef CONFIG_8xx
#include <asm/8xx_immap.h>
-#include <asm/mpc8xx.h>
extern immap_t __iomem *mpc8xx_immr;
diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h
index 418fb654370d..1bbb3013d6aa 100644
--- a/arch/powerpc/include/asm/hardirq.h
+++ b/arch/powerpc/include/asm/hardirq.h
@@ -11,6 +11,7 @@ typedef struct {
unsigned int pmu_irqs;
unsigned int mce_exceptions;
unsigned int spurious_irqs;
+ unsigned int hmi_exceptions;
#ifdef CONFIG_PPC_DOORBELL
unsigned int doorbell_irqs;
#endif
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 10be1dd01c6b..b59ac27a6b7d 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -25,6 +25,7 @@
#define PACA_IRQ_EE 0x04
#define PACA_IRQ_DEC 0x08 /* Or FIT */
#define PACA_IRQ_EE_EDGE 0x10 /* BookE only */
+#define PACA_IRQ_HMI 0x20
#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
index e20eb95429a8..f2149066fe5d 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -32,9 +32,8 @@
#endif
/*
- * Most of the CPU's IRQ-state tracing is done from assembly code; we
- * have to call a C function so call a wrapper that saves all the
- * C-clobbered registers.
+ * These are calls to C code, so the caller must be prepared for volatiles to
+ * be clobbered.
*/
#define TRACE_ENABLE_INTS TRACE_WITH_FRAME_BUFFER(trace_hardirqs_on)
#define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(trace_hardirqs_off)
@@ -42,6 +41,9 @@
/*
* This is used by assembly code to soft-disable interrupts first and
* reconcile irq state.
+ *
+ * NB: This may call C code, so the caller must be prepared for volatiles to
+ * be clobbered.
*/
#define RECONCILE_IRQ_STATE(__rA, __rB) \
lbz __rA,PACASOFTIRQEN(r13); \
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h
index f016bb699b5f..efbf9a322a23 100644
--- a/arch/powerpc/include/asm/jump_label.h
+++ b/arch/powerpc/include/asm/jump_label.h
@@ -10,6 +10,7 @@
* 2 of the License, or (at your option) any later version.
*/
+#ifndef __ASSEMBLY__
#include <linux/types.h>
#include <asm/feature-fixups.h>
@@ -42,4 +43,12 @@ struct jump_entry {
jump_label_t key;
};
+#else
+#define ARCH_STATIC_BRANCH(LABEL, KEY) \
+1098: nop; \
+ .pushsection __jump_table, "aw"; \
+ FTR_ENTRY_LONG 1098b, LABEL, KEY; \
+ .popsection
+#endif
+
#endif /* _ASM_POWERPC_JUMP_LABEL_H */
diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h
index 9601741080e5..ecf7e133a4f2 100644
--- a/arch/powerpc/include/asm/kvm_asm.h
+++ b/arch/powerpc/include/asm/kvm_asm.h
@@ -98,6 +98,7 @@
#define BOOK3S_INTERRUPT_H_DATA_STORAGE 0xe00
#define BOOK3S_INTERRUPT_H_INST_STORAGE 0xe20
#define BOOK3S_INTERRUPT_H_EMUL_ASSIST 0xe40
+#define BOOK3S_INTERRUPT_HMI 0xe60
#define BOOK3S_INTERRUPT_H_DOORBELL 0xe80
#define BOOK3S_INTERRUPT_PERFMON 0xf00
#define BOOK3S_INTERRUPT_ALTIVEC 0xf20
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index f92b0b54e921..44e90516519b 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -174,6 +174,10 @@ struct machdep_calls {
/* Exception handlers */
int (*system_reset_exception)(struct pt_regs *regs);
int (*machine_check_exception)(struct pt_regs *regs);
+ int (*handle_hmi_exception)(struct pt_regs *regs);
+
+ /* Early exception handlers called in realmode */
+ int (*hmi_exception_early)(struct pt_regs *regs);
/* Called during machine check exception to retrive fixup address. */
bool (*mce_check_early_recovery)(struct pt_regs *regs);
@@ -366,6 +370,7 @@ static inline void log_error(char *buf, unsigned int err_type, int fatal)
} \
__define_initcall(__machine_initcall_##mach##_##fn, id);
+#define machine_early_initcall(mach, fn) __define_machine_initcall(mach, fn, early)
#define machine_core_initcall(mach, fn) __define_machine_initcall(mach, fn, 1)
#define machine_core_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 1s)
#define machine_postcore_initcall(mach, fn) __define_machine_initcall(mach, fn, 2)
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index c2b4dcf23d03..d76514487d6f 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -25,26 +25,6 @@
#include <asm/processor.h>
/*
- * Segment table
- */
-
-#define STE_ESID_V 0x80
-#define STE_ESID_KS 0x20
-#define STE_ESID_KP 0x10
-#define STE_ESID_N 0x08
-
-#define STE_VSID_SHIFT 12
-
-/* Location of cpu0's segment table */
-#define STAB0_PAGE 0x8
-#define STAB0_OFFSET (STAB0_PAGE << 12)
-#define STAB0_PHYS_ADDR (STAB0_OFFSET + PHYSICAL_START)
-
-#ifndef __ASSEMBLY__
-extern char initial_stab[];
-#endif /* ! __ASSEMBLY */
-
-/*
* SLB
*/
@@ -370,10 +350,8 @@ extern void hpte_init_lpar(void);
extern void hpte_init_beat(void);
extern void hpte_init_beat_v3(void);
-extern void stabs_alloc(void);
extern void slb_initialize(void);
extern void slb_flush_and_rebolt(void);
-extern void stab_initialize(unsigned long stab);
extern void slb_vmalloc_update(void);
extern void slb_set_size(u16 size);
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index e61f24ed4e65..3d5abfe6ba67 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -64,9 +64,9 @@
*/
#define MMU_FTR_USE_PAIRED_MAS ASM_CONST(0x01000000)
-/* MMU is SLB-based
+/* Doesn't support the B bit (1T segment) in SLBIE
*/
-#define MMU_FTR_SLB ASM_CONST(0x02000000)
+#define MMU_FTR_NO_SLBIE_B ASM_CONST(0x02000000)
/* Support 16M large pages
*/
@@ -88,10 +88,6 @@
*/
#define MMU_FTR_1T_SEGMENT ASM_CONST(0x40000000)
-/* Doesn't support the B bit (1T segment) in SLBIE
- */
-#define MMU_FTR_NO_SLBIE_B ASM_CONST(0x80000000)
-
/* MMU feature bit sets for various CPUs */
#define MMU_FTRS_DEFAULT_HPTE_ARCH_V2 \
MMU_FTR_HPTE_TABLE | MMU_FTR_PPCAS_ARCH_V2
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index b467530e2485..73382eba02dc 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -18,7 +18,6 @@ extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
extern void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next);
-extern void switch_stab(struct task_struct *tsk, struct mm_struct *mm);
extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm);
extern void set_context(unsigned long id, pgd_t *pgd);
@@ -77,10 +76,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
* sub architectures.
*/
#ifdef CONFIG_PPC_STD_MMU_64
- if (mmu_has_feature(MMU_FTR_SLB))
- switch_slb(tsk, next);
- else
- switch_stab(tsk, next);
+ switch_slb(tsk, next);
#else
/* Out of line for now */
switch_mmu_context(prev, next);
diff --git a/arch/powerpc/include/asm/mpc85xx.h b/arch/powerpc/include/asm/mpc85xx.h
index 736d4acc05a8..3bef74a9914b 100644
--- a/arch/powerpc/include/asm/mpc85xx.h
+++ b/arch/powerpc/include/asm/mpc85xx.h
@@ -77,6 +77,8 @@
#define SVR_T1020 0x852100
#define SVR_T1021 0x852101
#define SVR_T1022 0x852102
+#define SVR_T2080 0x853000
+#define SVR_T2081 0x853100
#define SVR_8610 0x80A000
#define SVR_8641 0x809000
diff --git a/arch/powerpc/include/asm/mpc8xx.h b/arch/powerpc/include/asm/mpc8xx.h
deleted file mode 100644
index 98f3c4f17328..000000000000
--- a/arch/powerpc/include/asm/mpc8xx.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* This is the single file included by all MPC8xx build options.
- * Since there are many different boards and no standard configuration,
- * we have a unique include file for each. Rather than change every
- * file that has to include MPC8xx configuration, they all include
- * this one and the configuration switching is done here.
- */
-#ifndef __CONFIG_8xx_DEFS
-#define __CONFIG_8xx_DEFS
-
-extern struct mpc8xx_pcmcia_ops m8xx_pcmcia_ops;
-
-#endif /* __CONFIG_8xx_DEFS */
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 0da1dbd42e02..b2f8ce1fd0d7 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -147,6 +147,8 @@ struct opal_sg_list {
#define OPAL_SET_PARAM 90
#define OPAL_DUMP_RESEND 91
#define OPAL_DUMP_INFO2 94
+#define OPAL_PCI_EEH_FREEZE_SET 97
+#define OPAL_HANDLE_HMI 98
#ifndef __ASSEMBLY__
@@ -170,7 +172,11 @@ enum OpalFreezeState {
enum OpalEehFreezeActionToken {
OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
- OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3
+ OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
+
+ OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
+ OPAL_EEH_ACTION_SET_FREEZE_DMA = 2,
+ OPAL_EEH_ACTION_SET_FREEZE_ALL = 3
};
enum OpalPciStatusToken {
@@ -240,6 +246,7 @@ enum OpalMessageType {
OPAL_MSG_MEM_ERR,
OPAL_MSG_EPOW,
OPAL_MSG_SHUTDOWN,
+ OPAL_MSG_HMI_EVT,
OPAL_MSG_TYPE_MAX,
};
@@ -340,6 +347,12 @@ enum OpalMveEnableAction {
OPAL_ENABLE_MVE = 1
};
+enum OpalM64EnableAction {
+ OPAL_DISABLE_M64 = 0,
+ OPAL_ENABLE_M64_SPLIT = 1,
+ OPAL_ENABLE_M64_NON_SPLIT = 2
+};
+
enum OpalPciResetScope {
OPAL_PHB_COMPLETE = 1, OPAL_PCI_LINK = 2, OPAL_PHB_ERROR = 3,
OPAL_PCI_HOT_RESET = 4, OPAL_PCI_FUNDAMENTAL_RESET = 5,
@@ -502,6 +515,50 @@ struct OpalMemoryErrorData {
} u;
};
+/* HMI interrupt event */
+enum OpalHMI_Version {
+ OpalHMIEvt_V1 = 1,
+};
+
+enum OpalHMI_Severity {
+ OpalHMI_SEV_NO_ERROR = 0,
+ OpalHMI_SEV_WARNING = 1,
+ OpalHMI_SEV_ERROR_SYNC = 2,
+ OpalHMI_SEV_FATAL = 3,
+};
+
+enum OpalHMI_Disposition {
+ OpalHMI_DISPOSITION_RECOVERED = 0,
+ OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
+};
+
+enum OpalHMI_ErrType {
+ OpalHMI_ERROR_MALFUNC_ALERT = 0,
+ OpalHMI_ERROR_PROC_RECOV_DONE,
+ OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
+ OpalHMI_ERROR_PROC_RECOV_MASKED,
+ OpalHMI_ERROR_TFAC,
+ OpalHMI_ERROR_TFMR_PARITY,
+ OpalHMI_ERROR_HA_OVERFLOW_WARN,
+ OpalHMI_ERROR_XSCOM_FAIL,
+ OpalHMI_ERROR_XSCOM_DONE,
+ OpalHMI_ERROR_SCOM_FIR,
+ OpalHMI_ERROR_DEBUG_TRIG_FIR,
+ OpalHMI_ERROR_HYP_RESOURCE,
+};
+
+struct OpalHMIEvent {
+ uint8_t version; /* 0x00 */
+ uint8_t severity; /* 0x01 */
+ uint8_t type; /* 0x02 */
+ uint8_t disposition; /* 0x03 */
+ uint8_t reserved_1[4]; /* 0x04 */
+
+ __be64 hmer;
+ /* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
+ __be64 tfmr;
+};
+
enum {
OPAL_P7IOC_DIAG_TYPE_NONE = 0,
OPAL_P7IOC_DIAG_TYPE_RGC = 1,
@@ -513,40 +570,40 @@ enum {
};
struct OpalIoP7IOCErrorData {
- uint16_t type;
+ __be16 type;
/* GEM */
- uint64_t gemXfir;
- uint64_t gemRfir;
- uint64_t gemRirqfir;
- uint64_t gemMask;
- uint64_t gemRwof;
+ __be64 gemXfir;
+ __be64 gemRfir;
+ __be64 gemRirqfir;
+ __be64 gemMask;
+ __be64 gemRwof;
/* LEM */
- uint64_t lemFir;
- uint64_t lemErrMask;
- uint64_t lemAction0;
- uint64_t lemAction1;
- uint64_t lemWof;
+ __be64 lemFir;
+ __be64 lemErrMask;
+ __be64 lemAction0;
+ __be64 lemAction1;
+ __be64 lemWof;
union {
struct OpalIoP7IOCRgcErrorData {
- uint64_t rgcStatus; /* 3E1C10 */
- uint64_t rgcLdcp; /* 3E1C18 */
+ __be64 rgcStatus; /* 3E1C10 */
+ __be64 rgcLdcp; /* 3E1C18 */
}rgc;
struct OpalIoP7IOCBiErrorData {
- uint64_t biLdcp0; /* 3C0100, 3C0118 */
- uint64_t biLdcp1; /* 3C0108, 3C0120 */
- uint64_t biLdcp2; /* 3C0110, 3C0128 */
- uint64_t biFenceStatus; /* 3C0130, 3C0130 */
+ __be64 biLdcp0; /* 3C0100, 3C0118 */
+ __be64 biLdcp1; /* 3C0108, 3C0120 */
+ __be64 biLdcp2; /* 3C0110, 3C0128 */
+ __be64 biFenceStatus; /* 3C0130, 3C0130 */
- uint8_t biDownbound; /* BI Downbound or Upbound */
+ u8 biDownbound; /* BI Downbound or Upbound */
}bi;
struct OpalIoP7IOCCiErrorData {
- uint64_t ciPortStatus; /* 3Dn008 */
- uint64_t ciPortLdcp; /* 3Dn010 */
+ __be64 ciPortStatus; /* 3Dn008 */
+ __be64 ciPortLdcp; /* 3Dn010 */
- uint8_t ciPort; /* Index of CI port: 0/1 */
+ u8 ciPort; /* Index of CI port: 0/1 */
}ci;
};
};
@@ -578,60 +635,60 @@ struct OpalIoPhbErrorCommon {
struct OpalIoP7IOCPhbErrorData {
struct OpalIoPhbErrorCommon common;
- uint32_t brdgCtl;
+ __be32 brdgCtl;
// P7IOC utl regs
- uint32_t portStatusReg;
- uint32_t rootCmplxStatus;
- uint32_t busAgentStatus;
+ __be32 portStatusReg;
+ __be32 rootCmplxStatus;
+ __be32 busAgentStatus;
// P7IOC cfg regs
- uint32_t deviceStatus;
- uint32_t slotStatus;
- uint32_t linkStatus;
- uint32_t devCmdStatus;
- uint32_t devSecStatus;
+ __be32 deviceStatus;
+ __be32 slotStatus;
+ __be32 linkStatus;
+ __be32 devCmdStatus;
+ __be32 devSecStatus;
// cfg AER regs
- uint32_t rootErrorStatus;
- uint32_t uncorrErrorStatus;
- uint32_t corrErrorStatus;
- uint32_t tlpHdr1;
- uint32_t tlpHdr2;
- uint32_t tlpHdr3;
- uint32_t tlpHdr4;
- uint32_t sourceId;
+ __be32 rootErrorStatus;
+ __be32 uncorrErrorStatus;
+ __be32 corrErrorStatus;
+ __be32 tlpHdr1;
+ __be32 tlpHdr2;
+ __be32 tlpHdr3;
+ __be32 tlpHdr4;
+ __be32 sourceId;
- uint32_t rsv3;
+ __be32 rsv3;
// Record data about the call to allocate a buffer.
- uint64_t errorClass;
- uint64_t correlator;
+ __be64 errorClass;
+ __be64 correlator;
//P7IOC MMIO Error Regs
- uint64_t p7iocPlssr; // n120
- uint64_t p7iocCsr; // n110
- uint64_t lemFir; // nC00
- uint64_t lemErrorMask; // nC18
- uint64_t lemWOF; // nC40
- uint64_t phbErrorStatus; // nC80
- uint64_t phbFirstErrorStatus; // nC88
- uint64_t phbErrorLog0; // nCC0
- uint64_t phbErrorLog1; // nCC8
- uint64_t mmioErrorStatus; // nD00
- uint64_t mmioFirstErrorStatus; // nD08
- uint64_t mmioErrorLog0; // nD40
- uint64_t mmioErrorLog1; // nD48
- uint64_t dma0ErrorStatus; // nD80
- uint64_t dma0FirstErrorStatus; // nD88
- uint64_t dma0ErrorLog0; // nDC0
- uint64_t dma0ErrorLog1; // nDC8
- uint64_t dma1ErrorStatus; // nE00
- uint64_t dma1FirstErrorStatus; // nE08
- uint64_t dma1ErrorLog0; // nE40
- uint64_t dma1ErrorLog1; // nE48
- uint64_t pestA[OPAL_P7IOC_NUM_PEST_REGS];
- uint64_t pestB[OPAL_P7IOC_NUM_PEST_REGS];
+ __be64 p7iocPlssr; // n120
+ __be64 p7iocCsr; // n110
+ __be64 lemFir; // nC00
+ __be64 lemErrorMask; // nC18
+ __be64 lemWOF; // nC40
+ __be64 phbErrorStatus; // nC80
+ __be64 phbFirstErrorStatus; // nC88
+ __be64 phbErrorLog0; // nCC0
+ __be64 phbErrorLog1; // nCC8
+ __be64 mmioErrorStatus; // nD00
+ __be64 mmioFirstErrorStatus; // nD08
+ __be64 mmioErrorLog0; // nD40
+ __be64 mmioErrorLog1; // nD48
+ __be64 dma0ErrorStatus; // nD80
+ __be64 dma0FirstErrorStatus; // nD88
+ __be64 dma0ErrorLog0; // nDC0
+ __be64 dma0ErrorLog1; // nDC8
+ __be64 dma1ErrorStatus; // nE00
+ __be64 dma1FirstErrorStatus; // nE08
+ __be64 dma1ErrorLog0; // nE40
+ __be64 dma1ErrorLog1; // nE48
+ __be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
+ __be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
};
struct OpalIoPhb3ErrorData {
@@ -758,6 +815,8 @@ int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number,
__be64 *phb_status);
int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number,
uint64_t eeh_action_token);
+int64_t opal_pci_eeh_freeze_set(uint64_t phb_id, uint64_t pe_number,
+ uint64_t eeh_action_token);
int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state);
@@ -768,7 +827,7 @@ int64_t opal_pci_set_phb_mem_window(uint64_t phb_id, uint16_t window_type,
uint16_t window_num,
uint64_t starting_real_address,
uint64_t starting_pci_address,
- uint16_t segment_size);
+ uint64_t size);
int64_t opal_pci_map_pe_mmio_window(uint64_t phb_id, uint16_t pe_number,
uint16_t window_type, uint16_t window_num,
uint16_t segment_num);
@@ -860,6 +919,7 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
uint64_t length);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
+int64_t opal_handle_hmi(void);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
@@ -902,6 +962,8 @@ extern void opal_msglog_init(void);
extern int opal_machine_check(struct pt_regs *regs);
extern bool opal_mce_check_early_recovery(struct pt_regs *regs);
+extern int opal_hmi_exception_early(struct pt_regs *regs);
+extern int opal_handle_hmi_exception(struct pt_regs *regs);
extern void opal_shutdown(void);
extern int opal_resync_timebase(void);
diff --git a/arch/powerpc/include/asm/oprofile_impl.h b/arch/powerpc/include/asm/oprofile_impl.h
index d697b08994c9..61fe5d6f18e1 100644
--- a/arch/powerpc/include/asm/oprofile_impl.h
+++ b/arch/powerpc/include/asm/oprofile_impl.h
@@ -61,7 +61,6 @@ struct op_powerpc_model {
};
extern struct op_powerpc_model op_model_fsl_emb;
-extern struct op_powerpc_model op_model_rs64;
extern struct op_powerpc_model op_model_power4;
extern struct op_powerpc_model op_model_7450;
extern struct op_powerpc_model op_model_cell;
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index bb0bd25f20d0..a5139ea6910b 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -78,10 +78,6 @@ struct paca_struct {
u64 kernel_toc; /* Kernel TOC address */
u64 kernelbase; /* Base address of kernel */
u64 kernel_msr; /* MSR while running in kernel */
-#ifdef CONFIG_PPC_STD_MMU_64
- u64 stab_real; /* Absolute address of segment table */
- u64 stab_addr; /* Virtual address of segment table */
-#endif /* CONFIG_PPC_STD_MMU_64 */
void *emergency_sp; /* pointer to emergency stack */
u64 data_offset; /* per cpu data offset */
s16 hw_cpu_id; /* Physical processor number */
@@ -171,6 +167,7 @@ struct paca_struct {
* and already using emergency stack.
*/
u16 in_mce;
+ u8 hmi_event_available; /* HMI event is available */
#endif
/* Stuff for accurate time accounting */
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
index b3e936027b26..814622146d5a 100644
--- a/arch/powerpc/include/asm/perf_event_server.h
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -19,6 +19,8 @@
#define MAX_EVENT_ALTERNATIVES 8
#define MAX_LIMITED_HWCOUNTERS 2
+struct perf_event;
+
/*
* This struct provides the constants and functions needed to
* describe the PMU on a particular POWER-family CPU.
@@ -30,7 +32,8 @@ struct power_pmu {
unsigned long add_fields;
unsigned long test_adder;
int (*compute_mmcr)(u64 events[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[]);
+ unsigned int hwc[], unsigned long mmcr[],
+ struct perf_event *pevents[]);
int (*get_constraint)(u64 event_id, unsigned long *mskp,
unsigned long *valp);
int (*get_alternatives)(u64 event_id, unsigned int flags,
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 3132bb9365f3..e316dad6ba76 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -150,8 +150,10 @@
#define PPC_INST_MCRXR_MASK 0xfc0007fe
#define PPC_INST_MFSPR_PVR 0x7c1f42a6
#define PPC_INST_MFSPR_PVR_MASK 0xfc1fffff
+#define PPC_INST_MFTMR 0x7c0002dc
#define PPC_INST_MSGSND 0x7c00019c
#define PPC_INST_MSGSNDP 0x7c00011c
+#define PPC_INST_MTTMR 0x7c0003dc
#define PPC_INST_NOP 0x60000000
#define PPC_INST_POPCNTB 0x7c0000f4
#define PPC_INST_POPCNTB_MASK 0xfc0007fe
@@ -369,4 +371,11 @@
#define TABORT(r) stringify_in_c(.long PPC_INST_TABORT \
| __PPC_RA(r))
+/* book3e thread control instructions */
+#define TMRN(x) ((((x) & 0x1f) << 16) | (((x) & 0x3e0) << 6))
+#define MTTMR(tmr, r) stringify_in_c(.long PPC_INST_MTTMR | \
+ TMRN(tmr) | ___PPC_RS(r))
+#define MFTMR(tmr, r) stringify_in_c(.long PPC_INST_MFTMR | \
+ TMRN(tmr) | ___PPC_RT(r))
+
#endif /* _ASM_POWERPC_PPC_OPCODE_H */
diff --git a/arch/powerpc/include/asm/pte-fsl-booke.h b/arch/powerpc/include/asm/pte-fsl-booke.h
index 2c12be5f677a..e84dd7ed505e 100644
--- a/arch/powerpc/include/asm/pte-fsl-booke.h
+++ b/arch/powerpc/include/asm/pte-fsl-booke.h
@@ -37,5 +37,7 @@
#define _PMD_PRESENT_MASK (PAGE_MASK)
#define _PMD_BAD (~PAGE_MASK)
+#define PTE_WIMGE_SHIFT (6)
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PTE_FSL_BOOKE_H */
diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h
index d836d945068d..b6d2d42f84b5 100644
--- a/arch/powerpc/include/asm/pte-hash64-64k.h
+++ b/arch/powerpc/include/asm/pte-hash64-64k.h
@@ -75,7 +75,8 @@
(((pte) & _PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)
#define remap_4k_pfn(vma, addr, pfn, prot) \
- remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \
- __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN))
+ (WARN_ON(((pfn) >= (1UL << (64 - PTE_RPN_SHIFT)))) ? -EINVAL : \
+ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \
+ __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)))
#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bffd89d27301..f7b97b895708 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -254,7 +254,7 @@
#define DSISR_PROTFAULT 0x08000000 /* protection fault */
#define DSISR_ISSTORE 0x02000000 /* access was a store */
#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
-#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
+#define DSISR_NOSEGMENT 0x00200000 /* SLB miss */
#define DSISR_KEYFAULT 0x00200000 /* Key fault */
#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 464f1089b532..1d653308a33c 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -15,16 +15,28 @@
#ifndef __ASM_POWERPC_REG_BOOKE_H__
#define __ASM_POWERPC_REG_BOOKE_H__
+#include <asm/ppc-opcode.h>
+
/* Machine State Register (MSR) Fields */
-#define MSR_GS (1<<28) /* Guest state */
-#define MSR_UCLE (1<<26) /* User-mode cache lock enable */
-#define MSR_SPE (1<<25) /* Enable SPE */
-#define MSR_DWE (1<<10) /* Debug Wait Enable */
-#define MSR_UBLE (1<<10) /* BTB lock enable (e500) */
-#define MSR_IS MSR_IR /* Instruction Space */
-#define MSR_DS MSR_DR /* Data Space */
-#define MSR_PMM (1<<2) /* Performance monitor mark bit */
-#define MSR_CM (1<<31) /* Computation Mode (0=32-bit, 1=64-bit) */
+#define MSR_GS_LG 28 /* Guest state */
+#define MSR_UCLE_LG 26 /* User-mode cache lock enable */
+#define MSR_SPE_LG 25 /* Enable SPE */
+#define MSR_DWE_LG 10 /* Debug Wait Enable */
+#define MSR_UBLE_LG 10 /* BTB lock enable (e500) */
+#define MSR_IS_LG MSR_IR_LG /* Instruction Space */
+#define MSR_DS_LG MSR_DR_LG /* Data Space */
+#define MSR_PMM_LG 2 /* Performance monitor mark bit */
+#define MSR_CM_LG 31 /* Computation Mode (0=32-bit, 1=64-bit) */
+
+#define MSR_GS __MASK(MSR_GS_LG)
+#define MSR_UCLE __MASK(MSR_UCLE_LG)
+#define MSR_SPE __MASK(MSR_SPE_LG)
+#define MSR_DWE __MASK(MSR_DWE_LG)
+#define MSR_UBLE __MASK(MSR_UBLE_LG)
+#define MSR_IS __MASK(MSR_IS_LG)
+#define MSR_DS __MASK(MSR_DS_LG)
+#define MSR_PMM __MASK(MSR_PMM_LG)
+#define MSR_CM __MASK(MSR_CM_LG)
#if defined(CONFIG_PPC_BOOK3E_64)
#define MSR_64BIT MSR_CM
@@ -260,7 +272,7 @@
/* e500mc */
#define MCSR_DCPERR_MC 0x20000000UL /* D-Cache Parity Error */
-#define MCSR_L2MMU_MHIT 0x04000000UL /* Hit on multiple TLB entries */
+#define MCSR_L2MMU_MHIT 0x08000000UL /* Hit on multiple TLB entries */
#define MCSR_NMI 0x00100000UL /* Non-Maskable Interrupt */
#define MCSR_MAV 0x00080000UL /* MCAR address valid */
#define MCSR_MEA 0x00040000UL /* MCAR is effective address */
@@ -598,6 +610,13 @@
/* Bit definitions for L1CSR2. */
#define L1CSR2_DCWS 0x40000000 /* Data Cache write shadow */
+/* Bit definitions for BUCSR. */
+#define BUCSR_STAC_EN 0x01000000 /* Segment Target Address Cache */
+#define BUCSR_LS_EN 0x00400000 /* Link Stack */
+#define BUCSR_BBFI 0x00000200 /* Branch Buffer flash invalidate */
+#define BUCSR_BPEN 0x00000001 /* Branch prediction enable */
+#define BUCSR_INIT (BUCSR_STAC_EN | BUCSR_LS_EN | BUCSR_BBFI | BUCSR_BPEN)
+
/* Bit definitions for L2CSR0. */
#define L2CSR0_L2E 0x80000000 /* L2 Cache Enable */
#define L2CSR0_L2PE 0x40000000 /* L2 Cache Parity/ECC Enable */
@@ -721,5 +740,23 @@
#define MMUBE1_VBE4 0x00000002
#define MMUBE1_VBE5 0x00000001
+#define TMRN_IMSR0 0x120 /* Initial MSR Register 0 (e6500) */
+#define TMRN_IMSR1 0x121 /* Initial MSR Register 1 (e6500) */
+#define TMRN_INIA0 0x140 /* Next Instruction Address Register 0 */
+#define TMRN_INIA1 0x141 /* Next Instruction Address Register 1 */
+#define SPRN_TENSR 0x1b5 /* Thread Enable Status Register */
+#define SPRN_TENS 0x1b6 /* Thread Enable Set Register */
+#define SPRN_TENC 0x1b7 /* Thread Enable Clear Register */
+
+#define TEN_THREAD(x) (1 << (x))
+
+#ifndef __ASSEMBLY__
+#define mftmr(rn) ({unsigned long rval; \
+ asm volatile(MFTMR(rn, %0) : "=r" (rval)); rval;})
+#define mttmr(rn, v) asm volatile(MTTMR(rn, %0) : \
+ : "r" ((unsigned long)(v)) \
+ : "memory")
+#endif /* !__ASSEMBLY__ */
+
#endif /* __ASM_POWERPC_REG_BOOKE_H__ */
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index babbeca6850f..542bc0f0673f 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -77,10 +77,10 @@ SYSCALL_SPU(setreuid)
SYSCALL_SPU(setregid)
#define compat_sys_sigsuspend sys_sigsuspend
SYS32ONLY(sigsuspend)
-COMPAT_SYS(sigpending)
+SYSX(sys_ni_syscall,compat_sys_sigpending,sys_sigpending)
SYSCALL_SPU(sethostname)
COMPAT_SYS_SPU(setrlimit)
-COMPAT_SYS(old_getrlimit)
+SYSX(sys_ni_syscall,compat_sys_old_getrlimit,sys_old_getrlimit)
COMPAT_SYS_SPU(getrusage)
COMPAT_SYS_SPU(gettimeofday)
COMPAT_SYS_SPU(settimeofday)
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index 5712f06905a9..c15da6073cb8 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -99,6 +99,51 @@ TRACE_EVENT_FN(hcall_exit,
);
#endif
+#ifdef CONFIG_PPC_POWERNV
+extern void opal_tracepoint_regfunc(void);
+extern void opal_tracepoint_unregfunc(void);
+
+TRACE_EVENT_FN(opal_entry,
+
+ TP_PROTO(unsigned long opcode, unsigned long *args),
+
+ TP_ARGS(opcode, args),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, opcode)
+ ),
+
+ TP_fast_assign(
+ __entry->opcode = opcode;
+ ),
+
+ TP_printk("opcode=%lu", __entry->opcode),
+
+ opal_tracepoint_regfunc, opal_tracepoint_unregfunc
+);
+
+TRACE_EVENT_FN(opal_exit,
+
+ TP_PROTO(unsigned long opcode, unsigned long retval),
+
+ TP_ARGS(opcode, retval),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, opcode)
+ __field(unsigned long, retval)
+ ),
+
+ TP_fast_assign(
+ __entry->opcode = opcode;
+ __entry->retval = retval;
+ ),
+
+ TP_printk("opcode=%lu retval=%lu", __entry->opcode, __entry->retval),
+
+ opal_tracepoint_regfunc, opal_tracepoint_unregfunc
+);
+#endif
+
#endif /* _TRACE_POWERPC_H */
#undef TRACE_INCLUDE_PATH
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index f5995a912213..e35054054c32 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -216,8 +216,6 @@ int main(void)
#endif /* CONFIG_PPC_BOOK3E */
#ifdef CONFIG_PPC_STD_MMU_64
- DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
- DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 0c157642c2a1..9b6dcaaec1a3 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -123,96 +123,6 @@ extern void __restore_cpu_e6500(void);
static struct cpu_spec __initdata cpu_specs[] = {
#ifdef CONFIG_PPC_BOOK3S_64
- { /* Power3 */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00400000,
- .cpu_name = "POWER3 (630)",
- .cpu_features = CPU_FTRS_POWER3,
- .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/power3",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "power3",
- },
- { /* Power3+ */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00410000,
- .cpu_name = "POWER3 (630+)",
- .cpu_features = CPU_FTRS_POWER3,
- .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/power3",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "power3",
- },
- { /* Northstar */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00330000,
- .cpu_name = "RS64-II (northstar)",
- .cpu_features = CPU_FTRS_RS64,
- .cpu_user_features = COMMON_USER_PPC64,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/rs64",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "rs64",
- },
- { /* Pulsar */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00340000,
- .cpu_name = "RS64-III (pulsar)",
- .cpu_features = CPU_FTRS_RS64,
- .cpu_user_features = COMMON_USER_PPC64,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/rs64",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "rs64",
- },
- { /* I-star */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00360000,
- .cpu_name = "RS64-III (icestar)",
- .cpu_features = CPU_FTRS_RS64,
- .cpu_user_features = COMMON_USER_PPC64,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/rs64",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "rs64",
- },
- { /* S-star */
- .pvr_mask = 0xffff0000,
- .pvr_value = 0x00370000,
- .cpu_name = "RS64-IV (sstar)",
- .cpu_features = CPU_FTRS_RS64,
- .cpu_user_features = COMMON_USER_PPC64,
- .mmu_features = MMU_FTR_HPTE_TABLE,
- .icache_bsize = 128,
- .dcache_bsize = 128,
- .num_pmcs = 8,
- .pmc_type = PPC_PMC_IBM,
- .oprofile_cpu_type = "ppc64/rs64",
- .oprofile_type = PPC_OPROFILE_RS64,
- .platform = "rs64",
- },
{ /* Power4 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00350000,
@@ -617,7 +527,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
#endif /* CONFIG_PPC_BOOK3S_64 */
#ifdef CONFIG_PPC32
-#if CLASSIC_PPC
+#ifdef CONFIG_PPC_BOOK3S_32
{ /* 601 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00010000,
@@ -1257,7 +1167,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_generic,
.platform = "ppc603",
},
-#endif /* CLASSIC_PPC */
+#endif /* CONFIG_PPC_BOOK3S_32 */
#ifdef CONFIG_8xx
{ /* 8xx */
.pvr_mask = 0xffff0000,
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 86e25702aaca..59a64f8dc85f 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/pci.h>
+#include <linux/iommu.h>
#include <linux/proc_fs.h>
#include <linux/rbtree.h>
#include <linux/reboot.h>
@@ -40,6 +41,7 @@
#include <asm/eeh.h>
#include <asm/eeh_event.h>
#include <asm/io.h>
+#include <asm/iommu.h>
#include <asm/machdep.h>
#include <asm/ppc-pci.h>
#include <asm/rtas.h>
@@ -108,6 +110,9 @@ struct eeh_ops *eeh_ops = NULL;
/* Lock to avoid races due to multiple reports of an error */
DEFINE_RAW_SPINLOCK(confirm_error_lock);
+/* Lock to protect passed flags */
+static DEFINE_MUTEX(eeh_dev_mutex);
+
/* Buffer for reporting pci register dumps. Its here in BSS, and
* not dynamically alloced, so that it ends up in RMO where RTAS
* can access it.
@@ -137,7 +142,7 @@ static struct eeh_stats eeh_stats;
static int __init eeh_setup(char *str)
{
if (!strcmp(str, "off"))
- eeh_subsystem_flags |= EEH_FORCE_DISABLED;
+ eeh_add_flag(EEH_FORCE_DISABLED);
return 1;
}
@@ -152,12 +157,13 @@ __setup("eeh=", eeh_setup);
* This routine captures assorted PCI configuration space data,
* and puts them into a buffer for RTAS error logging.
*/
-static size_t eeh_gather_pci_data(struct eeh_dev *edev, char * buf, size_t len)
+static size_t eeh_gather_pci_data(struct eeh_dev *edev, char *buf, size_t len)
{
struct device_node *dn = eeh_dev_to_of_node(edev);
u32 cfg;
int cap, i;
- int n = 0;
+ int n = 0, l = 0;
+ char buffer[128];
n += scnprintf(buf+n, len-n, "%s\n", dn->full_name);
pr_warn("EEH: of node=%s\n", dn->full_name);
@@ -202,8 +208,22 @@ static size_t eeh_gather_pci_data(struct eeh_dev *edev, char * buf, size_t len)
for (i=0; i<=8; i++) {
eeh_ops->read_config(dn, cap+4*i, 4, &cfg);
n += scnprintf(buf+n, len-n, "%02x:%x\n", 4*i, cfg);
- pr_warn("EEH: PCI-E %02x: %08x\n", i, cfg);
+
+ if ((i % 4) == 0) {
+ if (i != 0)
+ pr_warn("%s\n", buffer);
+
+ l = scnprintf(buffer, sizeof(buffer),
+ "EEH: PCI-E %02x: %08x ",
+ 4*i, cfg);
+ } else {
+ l += scnprintf(buffer+l, sizeof(buffer)-l,
+ "%08x ", cfg);
+ }
+
}
+
+ pr_warn("%s\n", buffer);
}
/* If AER capable, dump it */
@@ -212,11 +232,24 @@ static size_t eeh_gather_pci_data(struct eeh_dev *edev, char * buf, size_t len)
n += scnprintf(buf+n, len-n, "pci-e AER:\n");
pr_warn("EEH: PCI-E AER capability register set follows:\n");
- for (i=0; i<14; i++) {
+ for (i=0; i<=13; i++) {
eeh_ops->read_config(dn, cap+4*i, 4, &cfg);
n += scnprintf(buf+n, len-n, "%02x:%x\n", 4*i, cfg);
- pr_warn("EEH: PCI-E AER %02x: %08x\n", i, cfg);
+
+ if ((i % 4) == 0) {
+ if (i != 0)
+ pr_warn("%s\n", buffer);
+
+ l = scnprintf(buffer, sizeof(buffer),
+ "EEH: PCI-E AER %02x: %08x ",
+ 4*i, cfg);
+ } else {
+ l += scnprintf(buffer+l, sizeof(buffer)-l,
+ "%08x ", cfg);
+ }
}
+
+ pr_warn("%s\n", buffer);
}
return n;
@@ -247,7 +280,7 @@ void eeh_slot_error_detail(struct eeh_pe *pe, int severity)
* 0xFF's is always returned from PCI config space.
*/
if (!(pe->type & EEH_PE_PHB)) {
- if (eeh_probe_mode_devtree())
+ if (eeh_has_flag(EEH_ENABLE_IO_FOR_LOG))
eeh_pci_enable(pe, EEH_OPT_THAW_MMIO);
eeh_ops->configure_bridge(pe);
eeh_pe_restore_bars(pe);
@@ -298,14 +331,14 @@ static int eeh_phb_check_failure(struct eeh_pe *pe)
unsigned long flags;
int ret;
- if (!eeh_probe_mode_dev())
+ if (!eeh_has_flag(EEH_PROBE_MODE_DEV))
return -EPERM;
/* Find the PHB PE */
phb_pe = eeh_phb_pe_get(pe->phb);
if (!phb_pe) {
- pr_warning("%s Can't find PE for PHB#%d\n",
- __func__, pe->phb->global_number);
+ pr_warn("%s Can't find PE for PHB#%d\n",
+ __func__, pe->phb->global_number);
return -EEXIST;
}
@@ -400,6 +433,14 @@ int eeh_dev_check_failure(struct eeh_dev *edev)
if (ret > 0)
return ret;
+ /*
+ * If the PE isn't owned by us, we shouldn't check the
+ * state. Instead, let the owner handle it if the PE has
+ * been frozen.
+ */
+ if (eeh_pe_passed(pe))
+ return 0;
+
/* If we already have a pending isolation event for this
* slot, we know it's bad already, we don't need to check.
* Do this checking under a lock; as multiple PCI devices
@@ -746,13 +787,13 @@ void eeh_save_bars(struct eeh_dev *edev)
int __init eeh_ops_register(struct eeh_ops *ops)
{
if (!ops->name) {
- pr_warning("%s: Invalid EEH ops name for %p\n",
+ pr_warn("%s: Invalid EEH ops name for %p\n",
__func__, ops);
return -EINVAL;
}
if (eeh_ops && eeh_ops != ops) {
- pr_warning("%s: EEH ops of platform %s already existing (%s)\n",
+ pr_warn("%s: EEH ops of platform %s already existing (%s)\n",
__func__, eeh_ops->name, ops->name);
return -EEXIST;
}
@@ -772,7 +813,7 @@ int __init eeh_ops_register(struct eeh_ops *ops)
int __exit eeh_ops_unregister(const char *name)
{
if (!name || !strlen(name)) {
- pr_warning("%s: Invalid EEH ops name\n",
+ pr_warn("%s: Invalid EEH ops name\n",
__func__);
return -EINVAL;
}
@@ -788,7 +829,7 @@ int __exit eeh_ops_unregister(const char *name)
static int eeh_reboot_notifier(struct notifier_block *nb,
unsigned long action, void *unused)
{
- eeh_set_enable(false);
+ eeh_clear_flag(EEH_ENABLED);
return NOTIFY_DONE;
}
@@ -837,11 +878,11 @@ int eeh_init(void)
/* call platform initialization function */
if (!eeh_ops) {
- pr_warning("%s: Platform EEH operation not found\n",
+ pr_warn("%s: Platform EEH operation not found\n",
__func__);
return -EEXIST;
} else if ((ret = eeh_ops->init())) {
- pr_warning("%s: Failed to call platform init function (%d)\n",
+ pr_warn("%s: Failed to call platform init function (%d)\n",
__func__, ret);
return ret;
}
@@ -852,13 +893,13 @@ int eeh_init(void)
return ret;
/* Enable EEH for all adapters */
- if (eeh_probe_mode_devtree()) {
+ if (eeh_has_flag(EEH_PROBE_MODE_DEVTREE)) {
list_for_each_entry_safe(hose, tmp,
&hose_list, list_node) {
phb = hose->dn;
traverse_pci_devices(phb, eeh_ops->of_probe, NULL);
}
- } else if (eeh_probe_mode_dev()) {
+ } else if (eeh_has_flag(EEH_PROBE_MODE_DEV)) {
list_for_each_entry_safe(hose, tmp,
&hose_list, list_node)
pci_walk_bus(hose->bus, eeh_ops->dev_probe, NULL);
@@ -882,7 +923,7 @@ int eeh_init(void)
if (eeh_enabled())
pr_info("EEH: PCI Enhanced I/O Error Handling Enabled\n");
else
- pr_warning("EEH: No capable adapters found\n");
+ pr_warn("EEH: No capable adapters found\n");
return ret;
}
@@ -910,7 +951,7 @@ void eeh_add_device_early(struct device_node *dn)
* would delay the probe until late stage because
* the PCI device isn't available this moment.
*/
- if (!eeh_probe_mode_devtree())
+ if (!eeh_has_flag(EEH_PROBE_MODE_DEVTREE))
return;
if (!of_node_to_eeh_dev(dn))
@@ -996,7 +1037,7 @@ void eeh_add_device_late(struct pci_dev *dev)
* We have to do the EEH probe here because the PCI device
* hasn't been created yet in the early stage.
*/
- if (eeh_probe_mode_dev())
+ if (eeh_has_flag(EEH_PROBE_MODE_DEV))
eeh_ops->dev_probe(dev, NULL);
eeh_addr_cache_insert_dev(dev);
@@ -1100,6 +1141,285 @@ void eeh_remove_device(struct pci_dev *dev)
edev->mode &= ~EEH_DEV_SYSFS;
}
+/**
+ * eeh_dev_open - Increase count of pass through devices for PE
+ * @pdev: PCI device
+ *
+ * Increase count of passed through devices for the indicated
+ * PE. In the result, the EEH errors detected on the PE won't be
+ * reported. The PE owner will be responsible for detection
+ * and recovery.
+ */
+int eeh_dev_open(struct pci_dev *pdev)
+{
+ struct eeh_dev *edev;
+
+ mutex_lock(&eeh_dev_mutex);
+
+ /* No PCI device ? */
+ if (!pdev)
+ goto out;
+
+ /* No EEH device or PE ? */
+ edev = pci_dev_to_eeh_dev(pdev);
+ if (!edev || !edev->pe)
+ goto out;
+
+ /* Increase PE's pass through count */
+ atomic_inc(&edev->pe->pass_dev_cnt);
+ mutex_unlock(&eeh_dev_mutex);
+
+ return 0;
+out:
+ mutex_unlock(&eeh_dev_mutex);
+ return -ENODEV;
+}
+EXPORT_SYMBOL_GPL(eeh_dev_open);
+
+/**
+ * eeh_dev_release - Decrease count of pass through devices for PE
+ * @pdev: PCI device
+ *
+ * Decrease count of pass through devices for the indicated PE. If
+ * there is no passed through device in PE, the EEH errors detected
+ * on the PE will be reported and handled as usual.
+ */
+void eeh_dev_release(struct pci_dev *pdev)
+{
+ struct eeh_dev *edev;
+
+ mutex_lock(&eeh_dev_mutex);
+
+ /* No PCI device ? */
+ if (!pdev)
+ goto out;
+
+ /* No EEH device ? */
+ edev = pci_dev_to_eeh_dev(pdev);
+ if (!edev || !edev->pe || !eeh_pe_passed(edev->pe))
+ goto out;
+
+ /* Decrease PE's pass through count */
+ atomic_dec(&edev->pe->pass_dev_cnt);
+ WARN_ON(atomic_read(&edev->pe->pass_dev_cnt) < 0);
+out:
+ mutex_unlock(&eeh_dev_mutex);
+}
+EXPORT_SYMBOL(eeh_dev_release);
+
+#ifdef CONFIG_IOMMU_API
+
+static int dev_has_iommu_table(struct device *dev, void *data)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct pci_dev **ppdev = data;
+ struct iommu_table *tbl;
+
+ if (!dev)
+ return 0;
+
+ tbl = get_iommu_table_base(dev);
+ if (tbl && tbl->it_group) {
+ *ppdev = pdev;
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * eeh_iommu_group_to_pe - Convert IOMMU group to EEH PE
+ * @group: IOMMU group
+ *
+ * The routine is called to convert IOMMU group to EEH PE.
+ */
+struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group)
+{
+ struct pci_dev *pdev = NULL;
+ struct eeh_dev *edev;
+ int ret;
+
+ /* No IOMMU group ? */
+ if (!group)
+ return NULL;
+
+ ret = iommu_group_for_each_dev(group, &pdev, dev_has_iommu_table);
+ if (!ret || !pdev)
+ return NULL;
+
+ /* No EEH device or PE ? */
+ edev = pci_dev_to_eeh_dev(pdev);
+ if (!edev || !edev->pe)
+ return NULL;
+
+ return edev->pe;
+}
+EXPORT_SYMBOL_GPL(eeh_iommu_group_to_pe);
+
+#endif /* CONFIG_IOMMU_API */
+
+/**
+ * eeh_pe_set_option - Set options for the indicated PE
+ * @pe: EEH PE
+ * @option: requested option
+ *
+ * The routine is called to enable or disable EEH functionality
+ * on the indicated PE, to enable IO or DMA for the frozen PE.
+ */
+int eeh_pe_set_option(struct eeh_pe *pe, int option)
+{
+ int ret = 0;
+
+ /* Invalid PE ? */
+ if (!pe)
+ return -ENODEV;
+
+ /*
+ * EEH functionality could possibly be disabled, just
+ * return error for the case. And the EEH functinality
+ * isn't expected to be disabled on one specific PE.
+ */
+ switch (option) {
+ case EEH_OPT_ENABLE:
+ if (eeh_enabled())
+ break;
+ ret = -EIO;
+ break;
+ case EEH_OPT_DISABLE:
+ break;
+ case EEH_OPT_THAW_MMIO:
+ case EEH_OPT_THAW_DMA:
+ if (!eeh_ops || !eeh_ops->set_option) {
+ ret = -ENOENT;
+ break;
+ }
+
+ ret = eeh_ops->set_option(pe, option);
+ break;
+ default:
+ pr_debug("%s: Option %d out of range (%d, %d)\n",
+ __func__, option, EEH_OPT_DISABLE, EEH_OPT_THAW_DMA);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(eeh_pe_set_option);
+
+/**
+ * eeh_pe_get_state - Retrieve PE's state
+ * @pe: EEH PE
+ *
+ * Retrieve the PE's state, which includes 3 aspects: enabled
+ * DMA, enabled IO and asserted reset.
+ */
+int eeh_pe_get_state(struct eeh_pe *pe)
+{
+ int result, ret = 0;
+ bool rst_active, dma_en, mmio_en;
+
+ /* Existing PE ? */
+ if (!pe)
+ return -ENODEV;
+
+ if (!eeh_ops || !eeh_ops->get_state)
+ return -ENOENT;
+
+ result = eeh_ops->get_state(pe, NULL);
+ rst_active = !!(result & EEH_STATE_RESET_ACTIVE);
+ dma_en = !!(result & EEH_STATE_DMA_ENABLED);
+ mmio_en = !!(result & EEH_STATE_MMIO_ENABLED);
+
+ if (rst_active)
+ ret = EEH_PE_STATE_RESET;
+ else if (dma_en && mmio_en)
+ ret = EEH_PE_STATE_NORMAL;
+ else if (!dma_en && !mmio_en)
+ ret = EEH_PE_STATE_STOPPED_IO_DMA;
+ else if (!dma_en && mmio_en)
+ ret = EEH_PE_STATE_STOPPED_DMA;
+ else
+ ret = EEH_PE_STATE_UNAVAIL;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(eeh_pe_get_state);
+
+/**
+ * eeh_pe_reset - Issue PE reset according to specified type
+ * @pe: EEH PE
+ * @option: reset type
+ *
+ * The routine is called to reset the specified PE with the
+ * indicated type, either fundamental reset or hot reset.
+ * PE reset is the most important part for error recovery.
+ */
+int eeh_pe_reset(struct eeh_pe *pe, int option)
+{
+ int ret = 0;
+
+ /* Invalid PE ? */
+ if (!pe)
+ return -ENODEV;
+
+ if (!eeh_ops || !eeh_ops->set_option || !eeh_ops->reset)
+ return -ENOENT;
+
+ switch (option) {
+ case EEH_RESET_DEACTIVATE:
+ ret = eeh_ops->reset(pe, option);
+ if (ret)
+ break;
+
+ /*
+ * The PE is still in frozen state and we need to clear
+ * that. It's good to clear frozen state after deassert
+ * to avoid messy IO access during reset, which might
+ * cause recursive frozen PE.
+ */
+ ret = eeh_ops->set_option(pe, EEH_OPT_THAW_MMIO);
+ if (!ret)
+ ret = eeh_ops->set_option(pe, EEH_OPT_THAW_DMA);
+ if (!ret)
+ eeh_pe_state_clear(pe, EEH_PE_ISOLATED);
+ break;
+ case EEH_RESET_HOT:
+ case EEH_RESET_FUNDAMENTAL:
+ ret = eeh_ops->reset(pe, option);
+ break;
+ default:
+ pr_debug("%s: Unsupported option %d\n",
+ __func__, option);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(eeh_pe_reset);
+
+/**
+ * eeh_pe_configure - Configure PCI bridges after PE reset
+ * @pe: EEH PE
+ *
+ * The routine is called to restore the PCI config space for
+ * those PCI devices, especially PCI bridges affected by PE
+ * reset issued previously.
+ */
+int eeh_pe_configure(struct eeh_pe *pe)
+{
+ int ret = 0;
+
+ /* Invalid PE ? */
+ if (!pe)
+ return -ENODEV;
+
+ /* Restore config space for the affected devices */
+ eeh_pe_restore_bars(pe);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(eeh_pe_configure);
+
static int proc_eeh_show(struct seq_file *m, void *v)
{
if (!eeh_enabled()) {
@@ -1143,9 +1463,9 @@ static const struct file_operations proc_eeh_operations = {
static int eeh_enable_dbgfs_set(void *data, u64 val)
{
if (val)
- eeh_subsystem_flags &= ~EEH_FORCE_DISABLED;
+ eeh_clear_flag(EEH_FORCE_DISABLED);
else
- eeh_subsystem_flags |= EEH_FORCE_DISABLED;
+ eeh_add_flag(EEH_FORCE_DISABLED);
/* Notify the backend */
if (eeh_ops->post_init)
diff --git a/arch/powerpc/kernel/eeh_cache.c b/arch/powerpc/kernel/eeh_cache.c
index e8c9fd546a5c..07d8a2423a61 100644
--- a/arch/powerpc/kernel/eeh_cache.c
+++ b/arch/powerpc/kernel/eeh_cache.c
@@ -143,7 +143,7 @@ eeh_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
} else {
if (dev != piar->pcidev ||
alo != piar->addr_lo || ahi != piar->addr_hi) {
- pr_warning("PIAR: overlapping address range\n");
+ pr_warn("PIAR: overlapping address range\n");
}
return piar;
}
@@ -177,19 +177,20 @@ static void __eeh_addr_cache_insert_dev(struct pci_dev *dev)
dn = pci_device_to_OF_node(dev);
if (!dn) {
- pr_warning("PCI: no pci dn found for dev=%s\n", pci_name(dev));
+ pr_warn("PCI: no pci dn found for dev=%s\n",
+ pci_name(dev));
return;
}
edev = of_node_to_eeh_dev(dn);
if (!edev) {
- pr_warning("PCI: no EEH dev found for dn=%s\n",
+ pr_warn("PCI: no EEH dev found for dn=%s\n",
dn->full_name);
return;
}
/* Skip any devices for which EEH is not enabled. */
- if (!eeh_probe_mode_dev() && !edev->pe) {
+ if (!edev->pe) {
#ifdef DEBUG
pr_info("PCI: skip building address cache for=%s - %s\n",
pci_name(dev), dn->full_name);
diff --git a/arch/powerpc/kernel/eeh_dev.c b/arch/powerpc/kernel/eeh_dev.c
index 1efa28f5fc54..e5274ee9a75f 100644
--- a/arch/powerpc/kernel/eeh_dev.c
+++ b/arch/powerpc/kernel/eeh_dev.c
@@ -57,7 +57,8 @@ void *eeh_dev_init(struct device_node *dn, void *data)
/* Allocate EEH device */
edev = kzalloc(sizeof(*edev), GFP_KERNEL);
if (!edev) {
- pr_warning("%s: out of memory\n", __func__);
+ pr_warn("%s: out of memory\n",
+ __func__);
return NULL;
}
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 420da61d4ce0..6a0dcee8e931 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -599,7 +599,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
pe->freeze_count++;
if (pe->freeze_count > EEH_MAX_ALLOWED_FREEZES)
goto excess_failures;
- pr_warning("EEH: This PCI device has failed %d times in the last hour\n",
+ pr_warn("EEH: This PCI device has failed %d times in the last hour\n",
pe->freeze_count);
/* Walk the various device drivers attached to this slot through
@@ -616,7 +616,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
*/
rc = eeh_ops->wait_state(pe, MAX_WAIT_FOR_RECOVERY*1000);
if (rc < 0 || rc == EEH_STATE_NOT_SUPPORT) {
- pr_warning("EEH: Permanent failure\n");
+ pr_warn("EEH: Permanent failure\n");
goto hard_fail;
}
@@ -635,8 +635,8 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
pr_info("EEH: Reset with hotplug activity\n");
rc = eeh_reset_device(pe, frozen_bus);
if (rc) {
- pr_warning("%s: Unable to reset, err=%d\n",
- __func__, rc);
+ pr_warn("%s: Unable to reset, err=%d\n",
+ __func__, rc);
goto hard_fail;
}
}
@@ -678,7 +678,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
/* If any device has a hard failure, then shut off everything. */
if (result == PCI_ERS_RESULT_DISCONNECT) {
- pr_warning("EEH: Device driver gave up\n");
+ pr_warn("EEH: Device driver gave up\n");
goto hard_fail;
}
@@ -687,8 +687,8 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
pr_info("EEH: Reset without hotplug activity\n");
rc = eeh_reset_device(pe, NULL);
if (rc) {
- pr_warning("%s: Cannot reset, err=%d\n",
- __func__, rc);
+ pr_warn("%s: Cannot reset, err=%d\n",
+ __func__, rc);
goto hard_fail;
}
@@ -701,7 +701,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
/* All devices should claim they have recovered by now. */
if ((result != PCI_ERS_RESULT_RECOVERED) &&
(result != PCI_ERS_RESULT_NONE)) {
- pr_warning("EEH: Not recovered\n");
+ pr_warn("EEH: Not recovered\n");
goto hard_fail;
}
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index fbd01eba4473..00e3844525a6 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -32,9 +32,24 @@
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>
+static int eeh_pe_aux_size = 0;
static LIST_HEAD(eeh_phb_pe);
/**
+ * eeh_set_pe_aux_size - Set PE auxillary data size
+ * @size: PE auxillary data size
+ *
+ * Set PE auxillary data size
+ */
+void eeh_set_pe_aux_size(int size)
+{
+ if (size < 0)
+ return;
+
+ eeh_pe_aux_size = size;
+}
+
+/**
* eeh_pe_alloc - Allocate PE
* @phb: PCI controller
* @type: PE type
@@ -44,9 +59,16 @@ static LIST_HEAD(eeh_phb_pe);
static struct eeh_pe *eeh_pe_alloc(struct pci_controller *phb, int type)
{
struct eeh_pe *pe;
+ size_t alloc_size;
+
+ alloc_size = sizeof(struct eeh_pe);
+ if (eeh_pe_aux_size) {
+ alloc_size = ALIGN(alloc_size, cache_line_size());
+ alloc_size += eeh_pe_aux_size;
+ }
/* Allocate PHB PE */
- pe = kzalloc(sizeof(struct eeh_pe), GFP_KERNEL);
+ pe = kzalloc(alloc_size, GFP_KERNEL);
if (!pe) return NULL;
/* Initialize PHB PE */
@@ -56,6 +78,8 @@ static struct eeh_pe *eeh_pe_alloc(struct pci_controller *phb, int type)
INIT_LIST_HEAD(&pe->child);
INIT_LIST_HEAD(&pe->edevs);
+ pe->data = (void *)pe + ALIGN(sizeof(struct eeh_pe),
+ cache_line_size());
return pe;
}
@@ -179,7 +203,8 @@ void *eeh_pe_dev_traverse(struct eeh_pe *root,
void *ret;
if (!root) {
- pr_warning("%s: Invalid PE %p\n", __func__, root);
+ pr_warn("%s: Invalid PE %p\n",
+ __func__, root);
return NULL;
}
@@ -351,17 +376,6 @@ int eeh_add_to_parent_pe(struct eeh_dev *edev)
pe->config_addr = edev->config_addr;
/*
- * While doing PE reset, we probably hot-reset the
- * upstream bridge. However, the PCI devices including
- * the associated EEH devices might be removed when EEH
- * core is doing recovery. So that won't safe to retrieve
- * the bridge through downstream EEH device. We have to
- * trace the parent PCI bus, then the upstream bridge.
- */
- if (eeh_probe_mode_dev())
- pe->bus = eeh_dev_to_pci_dev(edev)->bus;
-
- /*
* Put the new EEH PE into hierarchy tree. If the parent
* can't be found, the newly created PE will be attached
* to PHB directly. Otherwise, we have to associate the
@@ -802,53 +816,33 @@ void eeh_pe_restore_bars(struct eeh_pe *pe)
*/
const char *eeh_pe_loc_get(struct eeh_pe *pe)
{
- struct pci_controller *hose;
struct pci_bus *bus = eeh_pe_bus_get(pe);
- struct pci_dev *pdev;
- struct device_node *dn;
- const char *loc;
+ struct device_node *dn = pci_bus_to_OF_node(bus);
+ const char *loc = NULL;
- if (!bus)
- return "N/A";
+ if (!dn)
+ goto out;
/* PHB PE or root PE ? */
if (pci_is_root_bus(bus)) {
- hose = pci_bus_to_host(bus);
- loc = of_get_property(hose->dn,
- "ibm,loc-code", NULL);
+ loc = of_get_property(dn, "ibm,loc-code", NULL);
+ if (!loc)
+ loc = of_get_property(dn, "ibm,io-base-loc-code", NULL);
if (loc)
- return loc;
- loc = of_get_property(hose->dn,
- "ibm,io-base-loc-code", NULL);
- if (loc)
- return loc;
-
- pdev = pci_get_slot(bus, 0x0);
- } else {
- pdev = bus->self;
- }
-
- if (!pdev) {
- loc = "N/A";
- goto out;
- }
+ goto out;
- dn = pci_device_to_OF_node(pdev);
- if (!dn) {
- loc = "N/A";
- goto out;
+ /* Check the root port */
+ dn = dn->child;
+ if (!dn)
+ goto out;
}
loc = of_get_property(dn, "ibm,loc-code", NULL);
if (!loc)
loc = of_get_property(dn, "ibm,slot-location-code", NULL);
- if (!loc)
- loc = "N/A";
out:
- if (pci_is_root_bus(bus) && pdev)
- pci_dev_put(pdev);
- return loc;
+ return loc ? loc : "N/A";
}
/**
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 6528c5e2cc44..5bbd1bc8c3b0 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -482,16 +482,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_STCX_CHECKS_ADDRESS)
ld r8,KSP(r4) /* new stack pointer */
#ifdef CONFIG_PPC_BOOK3S
BEGIN_FTR_SECTION
- BEGIN_FTR_SECTION_NESTED(95)
clrrdi r6,r8,28 /* get its ESID */
clrrdi r9,r1,28 /* get current sp ESID */
- FTR_SECTION_ELSE_NESTED(95)
+FTR_SECTION_ELSE
clrrdi r6,r8,40 /* get its 1T ESID */
clrrdi r9,r1,40 /* get current sp 1T ESID */
- ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_1T_SEGMENT, 95)
-FTR_SECTION_ELSE
- b 2f
-ALT_MMU_FTR_SECTION_END_IFSET(MMU_FTR_SLB)
+ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_1T_SEGMENT)
clrldi. r0,r6,2 /* is new ESID c00000000? */
cmpd cr1,r6,r9 /* or is new ESID the same as current ESID? */
cror eq,4*cr1+eq,eq
@@ -919,6 +915,11 @@ restore_check_irq_replay:
addi r3,r1,STACK_FRAME_OVERHEAD;
bl do_IRQ
b ret_from_except
+1: cmpwi cr0,r3,0xe60
+ bne 1f
+ addi r3,r1,STACK_FRAME_OVERHEAD;
+ bl handle_hmi_exception
+ b ret_from_except
1: cmpwi cr0,r3,0x900
bne 1f
addi r3,r1,STACK_FRAME_OVERHEAD;
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index a7d36b19221d..6144d5a6bfe7 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -188,10 +188,6 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
data_access_pSeries:
HMT_MEDIUM_PPR_DISCARD
SET_SCRATCH0(r13)
-BEGIN_FTR_SECTION
- b data_access_check_stab
-data_access_not_stab:
-END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB)
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD,
KVMTEST, 0x300)
@@ -339,7 +335,7 @@ emulation_assist_trampoline:
hv_exception_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
- b hmi_exception_hv
+ b hmi_exception_early
. = 0xe80
hv_doorbell_trampoline:
@@ -514,34 +510,6 @@ machine_check_pSeries_0:
EXCEPTION_PROLOG_1(PACA_EXMC, KVMTEST, 0x200)
EXCEPTION_PROLOG_PSERIES_1(machine_check_common, EXC_STD)
KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200)
-
- /* moved from 0x300 */
-data_access_check_stab:
- GET_PACA(r13)
- std r9,PACA_EXSLB+EX_R9(r13)
- std r10,PACA_EXSLB+EX_R10(r13)
- mfspr r10,SPRN_DAR
- mfspr r9,SPRN_DSISR
- srdi r10,r10,60
- rlwimi r10,r9,16,0x20
-#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
- lbz r9,HSTATE_IN_GUEST(r13)
- rlwimi r10,r9,8,0x300
-#endif
- mfcr r9
- cmpwi r10,0x2c
- beq do_stab_bolted_pSeries
- mtcrf 0x80,r9
- ld r9,PACA_EXSLB+EX_R9(r13)
- ld r10,PACA_EXSLB+EX_R10(r13)
- b data_access_not_stab
-do_stab_bolted_pSeries:
- std r11,PACA_EXSLB+EX_R11(r13)
- std r12,PACA_EXSLB+EX_R12(r13)
- GET_SCRATCH0(r10)
- std r10,PACA_EXSLB+EX_R13(r13)
- EXCEPTION_PROLOG_PSERIES_1(do_stab_bolted, EXC_STD)
-
KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x300)
KVM_HANDLER_SKIP(PACA_EXSLB, EXC_STD, 0x380)
KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x400)
@@ -621,8 +589,64 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe22)
STD_EXCEPTION_HV_OOL(0xe42, emulation_assist)
KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe42)
- STD_EXCEPTION_HV_OOL(0xe62, hmi_exception) /* need to flush cache ? */
+ MASKABLE_EXCEPTION_HV_OOL(0xe62, hmi_exception)
KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe62)
+
+ .globl hmi_exception_early
+hmi_exception_early:
+ EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0xe60)
+ mr r10,r1 /* Save r1 */
+ ld r1,PACAEMERGSP(r13) /* Use emergency stack */
+ subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */
+ std r9,_CCR(r1) /* save CR in stackframe */
+ mfspr r11,SPRN_HSRR0 /* Save HSRR0 */
+ std r11,_NIP(r1) /* save HSRR0 in stackframe */
+ mfspr r12,SPRN_HSRR1 /* Save SRR1 */
+ std r12,_MSR(r1) /* save SRR1 in stackframe */
+ std r10,0(r1) /* make stack chain pointer */
+ std r0,GPR0(r1) /* save r0 in stackframe */
+ std r10,GPR1(r1) /* save r1 in stackframe */
+ EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN)
+ EXCEPTION_PROLOG_COMMON_3(0xe60)
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ bl hmi_exception_realmode
+ /* Windup the stack. */
+ /* Clear MSR_RI before setting SRR0 and SRR1. */
+ li r0,MSR_RI
+ mfmsr r9 /* get MSR value */
+ andc r9,r9,r0
+ mtmsrd r9,1 /* Clear MSR_RI */
+ /* Move original HSRR0 and HSRR1 into the respective regs */
+ ld r9,_MSR(r1)
+ mtspr SPRN_HSRR1,r9
+ ld r3,_NIP(r1)
+ mtspr SPRN_HSRR0,r3
+ ld r9,_CTR(r1)
+ mtctr r9
+ ld r9,_XER(r1)
+ mtxer r9
+ ld r9,_LINK(r1)
+ mtlr r9
+ REST_GPR(0, r1)
+ REST_8GPRS(2, r1)
+ REST_GPR(10, r1)
+ ld r11,_CCR(r1)
+ mtcr r11
+ REST_GPR(11, r1)
+ REST_2GPRS(12, r1)
+ /* restore original r1. */
+ ld r1,GPR1(r1)
+
+ /*
+ * Go to virtual mode and pull the HMI event information from
+ * firmware.
+ */
+ .globl hmi_exception_after_realmode
+hmi_exception_after_realmode:
+ SET_SCRATCH0(r13)
+ EXCEPTION_PROLOG_0(PACA_EXGEN)
+ b hmi_exception_hv
+
MASKABLE_EXCEPTION_HV_OOL(0xe82, h_doorbell)
KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe82)
@@ -643,6 +667,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
* - If it was a decrementer interrupt, we bump the dec to max and and return.
* - If it was a doorbell we return immediately since doorbells are edge
* triggered and won't automatically refire.
+ * - If it was a HMI we return immediately since we handled it in realmode
+ * and it won't refire.
* - else we hard disable and return.
* This is called with r10 containing the value to OR to the paca field.
*/
@@ -660,6 +686,8 @@ masked_##_H##interrupt: \
b 2f; \
1: cmpwi r10,PACA_IRQ_DBELL; \
beq 2f; \
+ cmpwi r10,PACA_IRQ_HMI; \
+ beq 2f; \
mfspr r10,SPRN_##_H##SRR1; \
rldicl r10,r10,48,1; /* clear MSR_EE */ \
rotldi r10,r10,16; \
@@ -799,7 +827,7 @@ kvmppc_skip_Hinterrupt:
STD_EXCEPTION_COMMON(0xd00, single_step, single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, unknown_exception)
STD_EXCEPTION_COMMON(0xe40, emulation_assist, emulation_assist_interrupt)
- STD_EXCEPTION_COMMON(0xe60, hmi_exception, unknown_exception)
+ STD_EXCEPTION_COMMON_ASYNC(0xe60, hmi_exception, handle_hmi_exception)
#ifdef CONFIG_PPC_DOORBELL
STD_EXCEPTION_COMMON_ASYNC(0xe80, h_doorbell, doorbell_exception)
#else
@@ -985,66 +1013,6 @@ ppc64_runlatch_on_trampoline:
b __ppc64_runlatch_on
/*
- * Here we have detected that the kernel stack pointer is bad.
- * R9 contains the saved CR, r13 points to the paca,
- * r10 contains the (bad) kernel stack pointer,
- * r11 and r12 contain the saved SRR0 and SRR1.
- * We switch to using an emergency stack, save the registers there,
- * and call kernel_bad_stack(), which panics.
- */
-bad_stack:
- ld r1,PACAEMERGSP(r13)
- subi r1,r1,64+INT_FRAME_SIZE
- std r9,_CCR(r1)
- std r10,GPR1(r1)
- std r11,_NIP(r1)
- std r12,_MSR(r1)
- mfspr r11,SPRN_DAR
- mfspr r12,SPRN_DSISR
- std r11,_DAR(r1)
- std r12,_DSISR(r1)
- mflr r10
- mfctr r11
- mfxer r12
- std r10,_LINK(r1)
- std r11,_CTR(r1)
- std r12,_XER(r1)
- SAVE_GPR(0,r1)
- SAVE_GPR(2,r1)
- ld r10,EX_R3(r3)
- std r10,GPR3(r1)
- SAVE_GPR(4,r1)
- SAVE_4GPRS(5,r1)
- ld r9,EX_R9(r3)
- ld r10,EX_R10(r3)
- SAVE_2GPRS(9,r1)
- ld r9,EX_R11(r3)
- ld r10,EX_R12(r3)
- ld r11,EX_R13(r3)
- std r9,GPR11(r1)
- std r10,GPR12(r1)
- std r11,GPR13(r1)
-BEGIN_FTR_SECTION
- ld r10,EX_CFAR(r3)
- std r10,ORIG_GPR3(r1)
-END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
- SAVE_8GPRS(14,r1)
- SAVE_10GPRS(22,r1)
- lhz r12,PACA_TRAP_SAVE(r13)
- std r12,_TRAP(r1)
- addi r11,r1,INT_FRAME_SIZE
- std r11,0(r1)
- li r12,0
- std r12,0(r11)
- ld r2,PACATOC(r13)
- ld r11,exception_marker@toc(r2)
- std r12,RESULT(r1)
- std r11,STACK_FRAME_OVERHEAD-16(r1)
-1: addi r3,r1,STACK_FRAME_OVERHEAD
- bl kernel_bad_stack
- b 1b
-
-/*
* Here r13 points to the paca, r9 contains the saved CR,
* SRR0 and SRR1 are saved in r11 and r12,
* r9 - r13 are saved in paca->exgen.
@@ -1057,7 +1025,7 @@ data_access_common:
mfspr r10,SPRN_DSISR
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0x300, PACA_EXGEN)
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,PACA_EXGEN+EX_DAR(r13)
lwz r4,PACA_EXGEN+EX_DSISR(r13)
@@ -1073,7 +1041,7 @@ h_data_storage_common:
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN)
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl unknown_exception
b ret_from_except
@@ -1082,7 +1050,7 @@ h_data_storage_common:
.globl instruction_access_common
instruction_access_common:
EXCEPTION_PROLOG_COMMON(0x400, PACA_EXGEN)
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,_NIP(r1)
andis. r4,r12,0x5820
@@ -1146,7 +1114,7 @@ slb_miss_fault:
unrecov_user_slb:
EXCEPTION_PROLOG_COMMON(0x4200, PACA_EXGEN)
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
bl save_nvgprs
1: addi r3,r1,STACK_FRAME_OVERHEAD
bl unrecoverable_exception
@@ -1169,7 +1137,7 @@ machine_check_common:
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0x200, PACA_EXMC)
FINISH_NAP
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
ld r3,PACA_EXGEN+EX_DAR(r13)
lwz r4,PACA_EXGEN+EX_DSISR(r13)
std r3,_DAR(r1)
@@ -1192,7 +1160,7 @@ alignment_common:
std r3,_DAR(r1)
std r4,_DSISR(r1)
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl alignment_exception
b ret_from_except
@@ -1202,7 +1170,7 @@ alignment_common:
program_check_common:
EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl program_check_exception
b ret_from_except
@@ -1213,7 +1181,7 @@ fp_unavailable_common:
EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN)
bne 1f /* if from user, just load it up */
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl kernel_fp_unavailable_exception
BUG_OPCODE
@@ -1232,7 +1200,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM)
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
2: /* User process was in a transaction */
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl fp_unavailable_tm
b ret_from_except
@@ -1258,7 +1226,7 @@ BEGIN_FTR_SECTION
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
2: /* User process was in a transaction */
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl altivec_unavailable_tm
b ret_from_except
@@ -1267,7 +1235,7 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl altivec_unavailable_exception
b ret_from_except
@@ -1292,7 +1260,7 @@ BEGIN_FTR_SECTION
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
2: /* User process was in a transaction */
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl vsx_unavailable_tm
b ret_from_except
@@ -1301,7 +1269,7 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_VSX)
#endif
bl save_nvgprs
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl vsx_unavailable_exception
b ret_from_except
@@ -1338,12 +1306,6 @@ fwnmi_data_area:
. = 0x8000
#endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */
-/* Space for CPU0's segment table */
- .balign 4096
- .globl initial_stab
-initial_stab:
- .space 4096
-
#ifdef CONFIG_PPC_POWERNV
_GLOBAL(opal_mc_secondary_handler)
HMT_MEDIUM_PPR_DISCARD
@@ -1566,7 +1528,7 @@ slb_miss_realmode:
unrecov_slb:
EXCEPTION_PROLOG_COMMON(0x4100, PACA_EXSLB)
- DISABLE_INTS
+ RECONCILE_IRQ_STATE(r10, r11)
bl save_nvgprs
1: addi r3,r1,STACK_FRAME_OVERHEAD
bl unrecoverable_exception
@@ -1594,12 +1556,6 @@ do_hash_page:
bne- handle_page_fault /* if not, try to insert a HPTE */
andis. r0,r4,DSISR_DABRMATCH@h
bne- handle_dabr_fault
-
-BEGIN_FTR_SECTION
- andis. r0,r4,0x0020 /* Is it a segment table fault? */
- bne- do_ste_alloc /* If so handle it */
-END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB)
-
CURRENT_THREAD_INFO(r11, r1)
lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */
andis. r0,r0,NMI_MASK@h /* (i.e. an irq when soft-disabled) */
@@ -1681,113 +1637,62 @@ handle_dabr_fault:
bl bad_page_fault
b ret_from_except
- /* here we have a segment miss */
-do_ste_alloc:
- bl ste_allocate /* try to insert stab entry */
- cmpdi r3,0
- bne- handle_page_fault
- b fast_exception_return
-
/*
- * r13 points to the PACA, r9 contains the saved CR,
+ * Here we have detected that the kernel stack pointer is bad.
+ * R9 contains the saved CR, r13 points to the paca,
+ * r10 contains the (bad) kernel stack pointer,
* r11 and r12 contain the saved SRR0 and SRR1.
- * r9 - r13 are saved in paca->exslb.
- * We assume we aren't going to take any exceptions during this procedure.
- * We assume (DAR >> 60) == 0xc.
+ * We switch to using an emergency stack, save the registers there,
+ * and call kernel_bad_stack(), which panics.
*/
- .align 7
-do_stab_bolted:
- stw r9,PACA_EXSLB+EX_CCR(r13) /* save CR in exc. frame */
- std r11,PACA_EXSLB+EX_SRR0(r13) /* save SRR0 in exc. frame */
- mfspr r11,SPRN_DAR /* ea */
-
- /*
- * check for bad kernel/user address
- * (ea & ~REGION_MASK) >= PGTABLE_RANGE
- */
- rldicr. r9,r11,4,(63 - 46 - 4)
- li r9,0 /* VSID = 0 for bad address */
- bne- 0f
-
- /*
- * Calculate VSID:
- * This is the kernel vsid, we take the top for context from
- * the range. context = (MAX_USER_CONTEXT) + ((ea >> 60) - 0xc) + 1
- * Here we know that (ea >> 60) == 0xc
- */
- lis r9,(MAX_USER_CONTEXT + 1)@ha
- addi r9,r9,(MAX_USER_CONTEXT + 1)@l
-
- srdi r10,r11,SID_SHIFT
- rldimi r10,r9,ESID_BITS,0 /* proto vsid */
- ASM_VSID_SCRAMBLE(r10, r9, 256M)
- rldic r9,r10,12,16 /* r9 = vsid << 12 */
-
-0:
- /* Hash to the primary group */
- ld r10,PACASTABVIRT(r13)
- srdi r11,r11,SID_SHIFT
- rldimi r10,r11,7,52 /* r10 = first ste of the group */
-
- /* Search the primary group for a free entry */
-1: ld r11,0(r10) /* Test valid bit of the current ste */
- andi. r11,r11,0x80
- beq 2f
- addi r10,r10,16
- andi. r11,r10,0x70
- bne 1b
-
- /* Stick for only searching the primary group for now. */
- /* At least for now, we use a very simple random castout scheme */
- /* Use the TB as a random number ; OR in 1 to avoid entry 0 */
- mftb r11
- rldic r11,r11,4,57 /* r11 = (r11 << 4) & 0x70 */
- ori r11,r11,0x10
-
- /* r10 currently points to an ste one past the group of interest */
- /* make it point to the randomly selected entry */
- subi r10,r10,128
- or r10,r10,r11 /* r10 is the entry to invalidate */
-
- isync /* mark the entry invalid */
- ld r11,0(r10)
- rldicl r11,r11,56,1 /* clear the valid bit */
- rotldi r11,r11,8
- std r11,0(r10)
- sync
-
- clrrdi r11,r11,28 /* Get the esid part of the ste */
- slbie r11
-
-2: std r9,8(r10) /* Store the vsid part of the ste */
- eieio
-
- mfspr r11,SPRN_DAR /* Get the new esid */
- clrrdi r11,r11,28 /* Permits a full 32b of ESID */
- ori r11,r11,0x90 /* Turn on valid and kp */
- std r11,0(r10) /* Put new entry back into the stab */
-
- sync
-
- /* All done -- return from exception. */
- lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */
- ld r11,PACA_EXSLB+EX_SRR0(r13) /* get saved SRR0 */
-
- andi. r10,r12,MSR_RI
- beq- unrecov_slb
-
- mtcrf 0x80,r9 /* restore CR */
-
- mfmsr r10
- clrrdi r10,r10,2
- mtmsrd r10,1
-
- mtspr SPRN_SRR0,r11
- mtspr SPRN_SRR1,r12
- ld r9,PACA_EXSLB+EX_R9(r13)
- ld r10,PACA_EXSLB+EX_R10(r13)
- ld r11,PACA_EXSLB+EX_R11(r13)
- ld r12,PACA_EXSLB+EX_R12(r13)
- ld r13,PACA_EXSLB+EX_R13(r13)
- rfid
- b . /* prevent speculative execution */
+bad_stack:
+ ld r1,PACAEMERGSP(r13)
+ subi r1,r1,64+INT_FRAME_SIZE
+ std r9,_CCR(r1)
+ std r10,GPR1(r1)
+ std r11,_NIP(r1)
+ std r12,_MSR(r1)
+ mfspr r11,SPRN_DAR
+ mfspr r12,SPRN_DSISR
+ std r11,_DAR(r1)
+ std r12,_DSISR(r1)
+ mflr r10
+ mfctr r11
+ mfxer r12
+ std r10,_LINK(r1)
+ std r11,_CTR(r1)
+ std r12,_XER(r1)
+ SAVE_GPR(0,r1)
+ SAVE_GPR(2,r1)
+ ld r10,EX_R3(r3)
+ std r10,GPR3(r1)
+ SAVE_GPR(4,r1)
+ SAVE_4GPRS(5,r1)
+ ld r9,EX_R9(r3)
+ ld r10,EX_R10(r3)
+ SAVE_2GPRS(9,r1)
+ ld r9,EX_R11(r3)
+ ld r10,EX_R12(r3)
+ ld r11,EX_R13(r3)
+ std r9,GPR11(r1)
+ std r10,GPR12(r1)
+ std r11,GPR13(r1)
+BEGIN_FTR_SECTION
+ ld r10,EX_CFAR(r3)
+ std r10,ORIG_GPR3(r1)
+END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
+ SAVE_8GPRS(14,r1)
+ SAVE_10GPRS(22,r1)
+ lhz r12,PACA_TRAP_SAVE(r13)
+ std r12,_TRAP(r1)
+ addi r11,r1,INT_FRAME_SIZE
+ std r11,0(r1)
+ li r12,0
+ std r12,0(r11)
+ ld r2,PACATOC(r13)
+ ld r11,exception_marker@toc(r2)
+ std r12,RESULT(r1)
+ std r11,STACK_FRAME_OVERHEAD-16(r1)
+1: addi r3,r1,STACK_FRAME_OVERHEAD
+ bl kernel_bad_stack
+ b 1b
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index a95145d7f61b..d48125d0c048 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -180,6 +180,28 @@ exception_marker:
#include "exceptions-64s.S"
#endif
+#ifdef CONFIG_PPC_BOOK3E
+_GLOBAL(fsl_secondary_thread_init)
+ /* Enable branch prediction */
+ lis r3,BUCSR_INIT@h
+ ori r3,r3,BUCSR_INIT@l
+ mtspr SPRN_BUCSR,r3
+ isync
+
+ /*
+ * Fix PIR to match the linear numbering in the device tree.
+ *
+ * On e6500, the reset value of PIR uses the low three bits for
+ * the thread within a core, and the upper bits for the core
+ * number. There are two threads per core, so shift everything
+ * but the low bit right by two bits so that the cpu numbering is
+ * continuous.
+ */
+ mfspr r3, SPRN_PIR
+ rlwimi r3, r3, 30, 2, 30
+ mtspr SPRN_PIR, r3
+#endif
+
_GLOBAL(generic_secondary_thread_init)
mr r24,r3
@@ -618,7 +640,7 @@ __secondary_start:
addi r14,r14,THREAD_SIZE-STACK_FRAME_OVERHEAD
std r14,PACAKSAVE(r13)
- /* Do early setup for that CPU (stab, slb, hash table pointer) */
+ /* Do early setup for that CPU (SLB and hash table pointer) */
bl early_setup_secondary
/*
@@ -771,8 +793,10 @@ start_here_multiplatform:
li r0,0
stdu r0,-STACK_FRAME_OVERHEAD(r1)
- /* Do very early kernel initializations, including initial hash table,
- * stab and slb setup before we turn on relocation. */
+ /*
+ * Do very early kernel initializations, including initial hash table
+ * and SLB setup before we turn on relocation.
+ */
/* Restore parameters passed from prom_init/kexec */
mr r3,r31
diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S
index 5cf3d367190d..be05841396cf 100644
--- a/arch/powerpc/kernel/idle_power7.S
+++ b/arch/powerpc/kernel/idle_power7.S
@@ -135,17 +135,68 @@ _GLOBAL(power7_sleep)
b power7_powersave_common
/* No return */
+/*
+ * Make opal call in realmode. This is a generic function to be called
+ * from realmode from reset vector. It handles endianess.
+ *
+ * r13 - paca pointer
+ * r1 - stack pointer
+ * r3 - opal token
+ */
+opal_call_realmode:
+ mflr r12
+ std r12,_LINK(r1)
+ ld r2,PACATOC(r13)
+ /* Set opal return address */
+ LOAD_REG_ADDR(r0,return_from_opal_call)
+ mtlr r0
+ /* Handle endian-ness */
+ li r0,MSR_LE
+ mfmsr r12
+ andc r12,r12,r0
+ mtspr SPRN_HSRR1,r12
+ mr r0,r3 /* Move opal token to r0 */
+ LOAD_REG_ADDR(r11,opal)
+ ld r12,8(r11)
+ ld r2,0(r11)
+ mtspr SPRN_HSRR0,r12
+ hrfid
+
+return_from_opal_call:
+ FIXUP_ENDIAN
+ ld r0,_LINK(r1)
+ mtlr r0
+ blr
+
+#define CHECK_HMI_INTERRUPT \
+ mfspr r0,SPRN_SRR1; \
+BEGIN_FTR_SECTION_NESTED(66); \
+ rlwinm r0,r0,45-31,0xf; /* extract wake reason field (P8) */ \
+FTR_SECTION_ELSE_NESTED(66); \
+ rlwinm r0,r0,45-31,0xe; /* P7 wake reason field is 3 bits */ \
+ALT_FTR_SECTION_END_NESTED_IFSET(CPU_FTR_ARCH_207S, 66); \
+ cmpwi r0,0xa; /* Hypervisor maintenance ? */ \
+ bne 20f; \
+ /* Invoke opal call to handle hmi */ \
+ ld r2,PACATOC(r13); \
+ ld r1,PACAR1(r13); \
+ std r3,ORIG_GPR3(r1); /* Save original r3 */ \
+ li r3,OPAL_HANDLE_HMI; /* Pass opal token argument*/ \
+ bl opal_call_realmode; \
+ ld r3,ORIG_GPR3(r1); /* Restore original r3 */ \
+20: nop;
+
+
_GLOBAL(power7_wakeup_tb_loss)
ld r2,PACATOC(r13);
ld r1,PACAR1(r13)
+BEGIN_FTR_SECTION
+ CHECK_HMI_INTERRUPT
+END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
/* Time base re-sync */
- li r0,OPAL_RESYNC_TIMEBASE
- LOAD_REG_ADDR(r11,opal);
- ld r12,8(r11);
- ld r2,0(r11);
- mtctr r12
- bctrl
+ li r3,OPAL_RESYNC_TIMEBASE
+ bl opal_call_realmode;
/* TODO: Check r3 for failure */
@@ -163,6 +214,9 @@ _GLOBAL(power7_wakeup_tb_loss)
_GLOBAL(power7_wakeup_loss)
ld r1,PACAR1(r13)
+BEGIN_FTR_SECTION
+ CHECK_HMI_INTERRUPT
+END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
REST_NVGPRS(r1)
REST_GPR(2, r1)
ld r3,_CCR(r1)
@@ -178,6 +232,9 @@ _GLOBAL(power7_wakeup_noloss)
lbz r0,PACA_NAPSTATELOST(r13)
cmpwi r0,0
bne power7_wakeup_loss
+BEGIN_FTR_SECTION
+ CHECK_HMI_INTERRUPT
+END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
ld r1,PACAR1(r13)
ld r4,_MSR(r1)
ld r5,_NIP(r1)
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 88e3ec6e1d96..f84f799babb1 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1037,7 +1037,7 @@ int iommu_tce_build(struct iommu_table *tbl, unsigned long entry,
/* if (unlikely(ret))
pr_err("iommu_tce: %s failed on hwaddr=%lx ioba=%lx kva=%lx ret=%d\n",
- __func__, hwaddr, entry << IOMMU_PAGE_SHIFT(tbl),
+ __func__, hwaddr, entry << tbl->it_page_shift,
hwaddr, ret); */
return ret;
@@ -1056,7 +1056,7 @@ int iommu_put_tce_user_mode(struct iommu_table *tbl, unsigned long entry,
direction != DMA_TO_DEVICE, &page);
if (unlikely(ret != 1)) {
/* pr_err("iommu_tce: get_user_pages_fast failed tce=%lx ioba=%lx ret=%d\n",
- tce, entry << IOMMU_PAGE_SHIFT(tbl), ret); */
+ tce, entry << tbl->it_page_shift, ret); */
return -EFAULT;
}
hwaddr = (unsigned long) page_address(page) + offset;
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 248ee7e5bebd..4c5891de162e 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -189,6 +189,11 @@ notrace unsigned int __check_irq_replay(void)
}
#endif /* CONFIG_PPC_BOOK3E */
+ /* Check if an hypervisor Maintenance interrupt happened */
+ local_paca->irq_happened &= ~PACA_IRQ_HMI;
+ if (happened & PACA_IRQ_HMI)
+ return 0xe60;
+
/* There should be nothing left ! */
BUG_ON(local_paca->irq_happened != 0);
@@ -377,6 +382,14 @@ int arch_show_interrupts(struct seq_file *p, int prec)
seq_printf(p, "%10u ", per_cpu(irq_stat, j).mce_exceptions);
seq_printf(p, " Machine check exceptions\n");
+ if (cpu_has_feature(CPU_FTR_HVMODE)) {
+ seq_printf(p, "%*s: ", prec, "HMI");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ",
+ per_cpu(irq_stat, j).hmi_exceptions);
+ seq_printf(p, " Hypervisor Maintenance Interrupts\n");
+ }
+
#ifdef CONFIG_PPC_DOORBELL
if (cpu_has_feature(CPU_FTR_DBELL)) {
seq_printf(p, "%*s: ", prec, "DBL");
@@ -400,6 +413,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
sum += per_cpu(irq_stat, cpu).mce_exceptions;
sum += per_cpu(irq_stat, cpu).spurious_irqs;
sum += per_cpu(irq_stat, cpu).timer_irqs_others;
+ sum += per_cpu(irq_stat, cpu).hmi_exceptions;
#ifdef CONFIG_PPC_DOORBELL
sum += per_cpu(irq_stat, cpu).doorbell_irqs;
#endif
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index be99774d3f44..bf44ae962ab8 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1095,6 +1095,23 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
return 0;
}
+static void setup_ksp_vsid(struct task_struct *p, unsigned long sp)
+{
+#ifdef CONFIG_PPC_STD_MMU_64
+ unsigned long sp_vsid;
+ unsigned long llp = mmu_psize_defs[mmu_linear_psize].sllp;
+
+ if (mmu_has_feature(MMU_FTR_1T_SEGMENT))
+ sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_1T)
+ << SLB_VSID_SHIFT_1T;
+ else
+ sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_256M)
+ << SLB_VSID_SHIFT;
+ sp_vsid |= SLB_VSID_KERNEL | llp;
+ p->thread.ksp_vsid = sp_vsid;
+#endif
+}
+
/*
* Copy a thread..
*/
@@ -1174,21 +1191,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.vr_save_area = NULL;
#endif
-#ifdef CONFIG_PPC_STD_MMU_64
- if (mmu_has_feature(MMU_FTR_SLB)) {
- unsigned long sp_vsid;
- unsigned long llp = mmu_psize_defs[mmu_linear_psize].sllp;
+ setup_ksp_vsid(p, sp);
- if (mmu_has_feature(MMU_FTR_1T_SEGMENT))
- sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_1T)
- << SLB_VSID_SHIFT_1T;
- else
- sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_256M)
- << SLB_VSID_SHIFT;
- sp_vsid |= SLB_VSID_KERNEL | llp;
- p->thread.ksp_vsid = sp_vsid;
- }
-#endif /* CONFIG_PPC_STD_MMU_64 */
#ifdef CONFIG_PPC64
if (cpu_has_feature(CPU_FTR_DSCR)) {
p->thread.dscr_inherit = current->thread.dscr_inherit;
@@ -1577,7 +1581,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
struct pt_regs *regs = (struct pt_regs *)
(sp + STACK_FRAME_OVERHEAD);
lr = regs->link;
- printk("--- Exception: %lx at %pS\n LR = %pS\n",
+ printk("--- interrupt: %lx at %pS\n LR = %pS\n",
regs->trap, (void *)regs->nip, (void *)lr);
firstframe = 1;
}
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index b694b0730971..1a3b1055f5eb 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -155,7 +155,6 @@ static struct ibm_pa_feature {
} ibm_pa_features[] __initdata = {
{0, 0, PPC_FEATURE_HAS_MMU, 0, 0, 0},
{0, 0, PPC_FEATURE_HAS_FPU, 0, 1, 0},
- {0, MMU_FTR_SLB, 0, 0, 2, 0},
{CPU_FTR_CTRL, 0, 0, 0, 3, 0},
{CPU_FTR_NOEXECUTE, 0, 0, 0, 6, 0},
{CPU_FTR_NODSISRALIGN, 0, 0, 1, 1, 1},
@@ -309,12 +308,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
/* Get physical cpuid */
intserv = of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", &len);
- if (intserv) {
- nthreads = len / sizeof(int);
- } else {
- intserv = of_get_flat_dt_prop(node, "reg", NULL);
- nthreads = 1;
- }
+ if (!intserv)
+ intserv = of_get_flat_dt_prop(node, "reg", &len);
+
+ nthreads = len / sizeof(int);
/*
* Now see if any of these threads match our boot cpu.
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index e5b022c55ccd..1b0e26013a62 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -456,18 +456,20 @@ void __init smp_setup_cpu_maps(void)
intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s",
&len);
if (intserv) {
- nthreads = len / sizeof(int);
DBG(" ibm,ppc-interrupt-server#s -> %d threads\n",
nthreads);
} else {
DBG(" no ibm,ppc-interrupt-server#s -> 1 thread\n");
- intserv = of_get_property(dn, "reg", NULL);
+ intserv = of_get_property(dn, "reg", &len);
if (!intserv) {
cpu_be = cpu_to_be32(cpu);
intserv = &cpu_be; /* assume logical == phys */
+ len = 4;
}
}
+ nthreads = len / sizeof(int);
+
for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
bool avail;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ee082d771178..d0225572faa1 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -201,7 +201,11 @@ static void cpu_ready_for_interrupts(void)
/* Set IR and DR in PACA MSR */
get_paca()->kernel_msr = MSR_KERNEL;
- /* Enable AIL if supported */
+ /*
+ * Enable AIL if supported, and we are in hypervisor mode. If we are
+ * not in hypervisor mode, we enable relocation-on interrupts later
+ * in pSeries_setup_arch() using the H_SET_MODE hcall.
+ */
if (cpu_has_feature(CPU_FTR_HVMODE) &&
cpu_has_feature(CPU_FTR_ARCH_207S)) {
unsigned long lpcr = mfspr(SPRN_LPCR);
@@ -507,7 +511,11 @@ void __init setup_system(void)
check_smt_enabled();
setup_tlb_core_data();
-#ifdef CONFIG_SMP
+ /*
+ * Freescale Book3e parts spin in a loop provided by firmware,
+ * so smp_release_cpus() does nothing for them
+ */
+#if defined(CONFIG_SMP) && !defined(CONFIG_PPC_FSL_BOOK3E)
/* Release secondary cpus out of their spinloops at 0x60 now that
* we can map physical -> logical CPU ids
*/
@@ -673,9 +681,6 @@ void __init setup_arch(char **cmdline_p)
exc_lvl_early_init();
emergency_stack_init();
-#ifdef CONFIG_PPC_STD_MMU_64
- stabs_alloc();
-#endif
/* set up the bootmem stuff with available memory */
do_init_bootmem();
sparse_init();
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index 895c50ca943c..7ab5d434e2ee 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -39,9 +39,6 @@
.section .rodata,"a"
#ifdef CONFIG_PPC64
-#define sys_sigpending sys_ni_syscall
-#define sys_old_getrlimit sys_ni_syscall
-
.p2align 3
#endif
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 239f1cde3fff..0dc43f9932cf 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -302,6 +302,16 @@ long machine_check_early(struct pt_regs *regs)
return handled;
}
+long hmi_exception_realmode(struct pt_regs *regs)
+{
+ __get_cpu_var(irq_stat).hmi_exceptions++;
+
+ if (ppc_md.hmi_exception_early)
+ ppc_md.hmi_exception_early(regs);
+
+ return 0;
+}
+
#endif
/*
@@ -609,7 +619,7 @@ int machine_check_e500(struct pt_regs *regs)
if (reason & MCSR_BUS_RBERR)
printk("Bus - Read Data Bus Error\n");
if (reason & MCSR_BUS_WBERR)
- printk("Bus - Read Data Bus Error\n");
+ printk("Bus - Write Data Bus Error\n");
if (reason & MCSR_BUS_IPERR)
printk("Bus - Instruction Parity Error\n");
if (reason & MCSR_BUS_RPERR)
@@ -738,6 +748,20 @@ void SMIException(struct pt_regs *regs)
die("System Management Interrupt", regs, SIGABRT);
}
+void handle_hmi_exception(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs;
+
+ old_regs = set_irq_regs(regs);
+ irq_enter();
+
+ if (ppc_md.handle_hmi_exception)
+ ppc_md.handle_hmi_exception(regs);
+
+ irq_exit();
+ set_irq_regs(old_regs);
+}
+
void unknown_exception(struct pt_regs *regs)
{
enum ctx_state prev_state = exception_enter();
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 558a67df8126..7faf8fd05738 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -159,6 +159,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
cmpwi r12, BOOK3S_INTERRUPT_EXTERNAL
BEGIN_FTR_SECTION
beq 11f
+ cmpwi cr2, r12, BOOK3S_INTERRUPT_HMI
+ beq cr2, 14f /* HMI check */
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
/* RFI into the highmem handler, or branch to interrupt handler */
@@ -179,6 +181,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
13: b machine_check_fwnmi
+14: mtspr SPRN_HSRR0, r8
+ mtspr SPRN_HSRR1, r7
+ b hmi_exception_after_realmode
+
kvmppc_primary_no_guest:
/* We handle this much like a ceded vcpu */
/* set our bit in napping_threads */
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index 0860ee46013c..f09899e35991 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -461,8 +461,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
/*
* Routine to copy a whole page of data, optimized for POWER4.
* On POWER4 it is more than 50% faster than the simple loop
- * above (following the .Ldst_aligned label) but it runs slightly
- * slower on POWER3.
+ * above (following the .Ldst_aligned label).
*/
.Lcopy_page_4K:
std r31,-32(1)
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index 51230ee6a407..d0130fff20e5 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -13,9 +13,7 @@ obj-$(CONFIG_PPC_MMU_NOHASH) += mmu_context_nohash.o tlb_nohash.o \
tlb_nohash_low.o
obj-$(CONFIG_PPC_BOOK3E) += tlb_low_$(CONFIG_WORD_SIZE)e.o
hash64-$(CONFIG_PPC_NATIVE) := hash_native_64.o
-obj-$(CONFIG_PPC_STD_MMU_64) += hash_utils_64.o \
- slb_low.o slb.o stab.o \
- $(hash64-y)
+obj-$(CONFIG_PPC_STD_MMU_64) += hash_utils_64.o slb_low.o slb.o $(hash64-y)
obj-$(CONFIG_PPC_STD_MMU_32) += ppc_mmu_32.o
obj-$(CONFIG_PPC_STD_MMU) += hash_low_$(CONFIG_WORD_SIZE).o \
tlb_hash$(CONFIG_WORD_SIZE).o \
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 88fdd9d25077..daee7f4e5a14 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -243,7 +243,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
}
#ifdef CONFIG_MEMORY_HOTPLUG
-static int htab_remove_mapping(unsigned long vstart, unsigned long vend,
+int htab_remove_mapping(unsigned long vstart, unsigned long vend,
int psize, int ssize)
{
unsigned long vaddr;
@@ -821,21 +821,14 @@ static void __init htab_initialize(void)
void __init early_init_mmu(void)
{
- /* Setup initial STAB address in the PACA */
- get_paca()->stab_real = __pa((u64)&initial_stab);
- get_paca()->stab_addr = (u64)&initial_stab;
-
/* Initialize the MMU Hash table and create the linear mapping
- * of memory. Has to be done before stab/slb initialization as
- * this is currently where the page size encoding is obtained
+ * of memory. Has to be done before SLB initialization as this is
+ * currently where the page size encoding is obtained.
*/
htab_initialize();
- /* Initialize stab / SLB management */
- if (mmu_has_feature(MMU_FTR_SLB))
- slb_initialize();
- else
- stab_initialize(get_paca()->stab_real);
+ /* Initialize SLB management */
+ slb_initialize();
}
#ifdef CONFIG_SMP
@@ -845,13 +838,8 @@ void early_init_mmu_secondary(void)
if (!firmware_has_feature(FW_FEATURE_LPAR))
mtspr(SPRN_SDR1, _SDR1);
- /* Initialize STAB/SLB. We use a virtual address as it works
- * in real mode on pSeries.
- */
- if (mmu_has_feature(MMU_FTR_SLB))
- slb_initialize();
- else
- stab_initialize(get_paca()->stab_addr);
+ /* Initialize SLB */
+ slb_initialize();
}
#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index e3734edffa69..253b4b971c8a 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -175,9 +175,10 @@ static unsigned long __meminit vmemmap_section_start(unsigned long page)
static int __meminit vmemmap_populated(unsigned long start, int page_size)
{
unsigned long end = start + page_size;
+ start = (unsigned long)(pfn_to_page(vmemmap_section_start(start)));
for (; start < end; start += (PAGES_PER_SECTION * sizeof(struct page)))
- if (pfn_valid(vmemmap_section_start(start)))
+ if (pfn_valid(page_to_pfn((struct page *)start)))
return 1;
return 0;
@@ -212,6 +213,13 @@ static void __meminit vmemmap_create_mapping(unsigned long start,
for (i = 0; i < page_size; i += PAGE_SIZE)
BUG_ON(map_kernel_page(start + i, phys, flags));
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+static void vmemmap_remove_mapping(unsigned long start,
+ unsigned long page_size)
+{
+}
+#endif
#else /* CONFIG_PPC_BOOK3E */
static void __meminit vmemmap_create_mapping(unsigned long start,
unsigned long page_size,
@@ -223,17 +231,42 @@ static void __meminit vmemmap_create_mapping(unsigned long start,
mmu_kernel_ssize);
BUG_ON(mapped < 0);
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern int htab_remove_mapping(unsigned long vstart, unsigned long vend,
+ int psize, int ssize);
+
+static void vmemmap_remove_mapping(unsigned long start,
+ unsigned long page_size)
+{
+ int mapped = htab_remove_mapping(start, start + page_size,
+ mmu_vmemmap_psize,
+ mmu_kernel_ssize);
+ BUG_ON(mapped < 0);
+}
+#endif
+
#endif /* CONFIG_PPC_BOOK3E */
struct vmemmap_backing *vmemmap_list;
+static struct vmemmap_backing *next;
+static int num_left;
+static int num_freed;
static __meminit struct vmemmap_backing * vmemmap_list_alloc(int node)
{
- static struct vmemmap_backing *next;
- static int num_left;
+ struct vmemmap_backing *vmem_back;
+ /* get from freed entries first */
+ if (num_freed) {
+ num_freed--;
+ vmem_back = next;
+ next = next->list;
+
+ return vmem_back;
+ }
/* allocate a page when required and hand out chunks */
- if (!next || !num_left) {
+ if (!num_left) {
next = vmemmap_alloc_block(PAGE_SIZE, node);
if (unlikely(!next)) {
WARN_ON(1);
@@ -296,10 +329,85 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
return 0;
}
-void vmemmap_free(unsigned long start, unsigned long end)
+#ifdef CONFIG_MEMORY_HOTPLUG
+static unsigned long vmemmap_list_free(unsigned long start)
{
+ struct vmemmap_backing *vmem_back, *vmem_back_prev;
+
+ vmem_back_prev = vmem_back = vmemmap_list;
+
+ /* look for it with prev pointer recorded */
+ for (; vmem_back; vmem_back = vmem_back->list) {
+ if (vmem_back->virt_addr == start)
+ break;
+ vmem_back_prev = vmem_back;
+ }
+
+ if (unlikely(!vmem_back)) {
+ WARN_ON(1);
+ return 0;
+ }
+
+ /* remove it from vmemmap_list */
+ if (vmem_back == vmemmap_list) /* remove head */
+ vmemmap_list = vmem_back->list;
+ else
+ vmem_back_prev->list = vmem_back->list;
+
+ /* next point to this freed entry */
+ vmem_back->list = next;
+ next = vmem_back;
+ num_freed++;
+
+ return vmem_back->phys;
}
+void __ref vmemmap_free(unsigned long start, unsigned long end)
+{
+ unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
+
+ start = _ALIGN_DOWN(start, page_size);
+
+ pr_debug("vmemmap_free %lx...%lx\n", start, end);
+
+ for (; start < end; start += page_size) {
+ unsigned long addr;
+
+ /*
+ * the section has already be marked as invalid, so
+ * vmemmap_populated() true means some other sections still
+ * in this page, so skip it.
+ */
+ if (vmemmap_populated(start, page_size))
+ continue;
+
+ addr = vmemmap_list_free(start);
+ if (addr) {
+ struct page *page = pfn_to_page(addr >> PAGE_SHIFT);
+
+ if (PageReserved(page)) {
+ /* allocated from bootmem */
+ if (page_size < PAGE_SIZE) {
+ /*
+ * this shouldn't happen, but if it is
+ * the case, leave the memory there
+ */
+ WARN_ON_ONCE(1);
+ } else {
+ unsigned int nr_pages =
+ 1 << get_order(page_size);
+ while (nr_pages--)
+ free_reserved_page(page++);
+ }
+ } else
+ free_pages((unsigned long)(__va(addr)),
+ get_order(page_size));
+
+ vmemmap_remove_mapping(start, page_size);
+ }
+ }
+}
+#endif
void register_page_bootmem_memmap(unsigned long section_nr,
struct page *start_page, unsigned long size)
{
@@ -331,16 +439,16 @@ struct page *realmode_pfn_to_page(unsigned long pfn)
if (pg_va < vmem_back->virt_addr)
continue;
- /* Check that page struct is not split between real pages */
- if ((pg_va + sizeof(struct page)) >
- (vmem_back->virt_addr + page_size))
- return NULL;
-
- page = (struct page *) (vmem_back->phys + pg_va -
+ /* After vmemmap_list entry free is possible, need check all */
+ if ((pg_va + sizeof(struct page)) <=
+ (vmem_back->virt_addr + page_size)) {
+ page = (struct page *) (vmem_back->phys + pg_va -
vmem_back->virt_addr);
- return page;
+ return page;
+ }
}
+ /* Probably that page struct is split between real pages */
return NULL;
}
EXPORT_SYMBOL_GPL(realmode_pfn_to_page);
diff --git a/arch/powerpc/mm/mmu_context_hash32.c b/arch/powerpc/mm/mmu_context_hash32.c
index 78fef6726e10..aa5a7fd89461 100644
--- a/arch/powerpc/mm/mmu_context_hash32.c
+++ b/arch/powerpc/mm/mmu_context_hash32.c
@@ -2,7 +2,7 @@
* This file contains the routines for handling the MMU on those
* PowerPC implementations where the MMU substantially follows the
* architecture specification. This includes the 6xx, 7xx, 7xxx,
- * 8260, and POWER3 implementations but excludes the 8xx and 4xx.
+ * and 8260 implementations but excludes the 8xx and 4xx.
* -- paulus
*
* Derived from arch/ppc/mm/init.c:
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 3b181b22cd46..d3e9a78eaed3 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -611,8 +611,8 @@ static int cpu_numa_callback(struct notifier_block *nfb, unsigned long action,
case CPU_UP_CANCELED:
case CPU_UP_CANCELED_FROZEN:
unmap_cpu_from_node(lcpu);
- break;
ret = NOTIFY_OK;
+ break;
#endif
}
return ret;
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 343a87fa78b5..cf11342bf519 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -41,7 +41,7 @@ unsigned long ioremap_base;
unsigned long ioremap_bot;
EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */
-#if defined(CONFIG_6xx) || defined(CONFIG_POWER3)
+#ifdef CONFIG_6xx
#define HAVE_BATS 1
#endif
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index f6ce1f111f5b..3b3c4d34c7a0 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -68,7 +68,7 @@
unsigned long ioremap_bot = IOREMAP_BASE;
#ifdef CONFIG_PPC_MMU_NOHASH
-static void *early_alloc_pgtable(unsigned long size)
+static __ref void *early_alloc_pgtable(unsigned long size)
{
void *pt;
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 11571e118831..5029dc19b517 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -2,7 +2,7 @@
* This file contains the routines for handling the MMU on those
* PowerPC implementations where the MMU substantially follows the
* architecture specification. This includes the 6xx, 7xx, 7xxx,
- * 8260, and POWER3 implementations but excludes the 8xx and 4xx.
+ * and 8260 implementations but excludes the 8xx and 4xx.
* -- paulus
*
* Derived from arch/ppc/mm/init.c:
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
deleted file mode 100644
index 3f8efa6f2997..000000000000
--- a/arch/powerpc/mm/stab.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * PowerPC64 Segment Translation Support.
- *
- * Dave Engebretsen and Mike Corrigan {engebret|mikejc}@us.ibm.com
- * Copyright (c) 2001 Dave Engebretsen
- *
- * Copyright (C) 2002 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/memblock.h>
-
-#include <asm/pgtable.h>
-#include <asm/mmu.h>
-#include <asm/mmu_context.h>
-#include <asm/paca.h>
-#include <asm/cputable.h>
-#include <asm/prom.h>
-
-struct stab_entry {
- unsigned long esid_data;
- unsigned long vsid_data;
-};
-
-#define NR_STAB_CACHE_ENTRIES 8
-static DEFINE_PER_CPU(long, stab_cache_ptr);
-static DEFINE_PER_CPU(long [NR_STAB_CACHE_ENTRIES], stab_cache);
-
-/*
- * Create a segment table entry for the given esid/vsid pair.
- */
-static int make_ste(unsigned long stab, unsigned long esid, unsigned long vsid)
-{
- unsigned long esid_data, vsid_data;
- unsigned long entry, group, old_esid, castout_entry, i;
- unsigned int global_entry;
- struct stab_entry *ste, *castout_ste;
- unsigned long kernel_segment = (esid << SID_SHIFT) >= PAGE_OFFSET;
-
- vsid_data = vsid << STE_VSID_SHIFT;
- esid_data = esid << SID_SHIFT | STE_ESID_KP | STE_ESID_V;
- if (! kernel_segment)
- esid_data |= STE_ESID_KS;
-
- /* Search the primary group first. */
- global_entry = (esid & 0x1f) << 3;
- ste = (struct stab_entry *)(stab | ((esid & 0x1f) << 7));
-
- /* Find an empty entry, if one exists. */
- for (group = 0; group < 2; group++) {
- for (entry = 0; entry < 8; entry++, ste++) {
- if (!(ste->esid_data & STE_ESID_V)) {
- ste->vsid_data = vsid_data;
- eieio();
- ste->esid_data = esid_data;
- return (global_entry | entry);
- }
- }
- /* Now search the secondary group. */
- global_entry = ((~esid) & 0x1f) << 3;
- ste = (struct stab_entry *)(stab | (((~esid) & 0x1f) << 7));
- }
-
- /*
- * Could not find empty entry, pick one with a round robin selection.
- * Search all entries in the two groups.
- */
- castout_entry = get_paca()->stab_rr;
- for (i = 0; i < 16; i++) {
- if (castout_entry < 8) {
- global_entry = (esid & 0x1f) << 3;
- ste = (struct stab_entry *)(stab | ((esid & 0x1f) << 7));
- castout_ste = ste + castout_entry;
- } else {
- global_entry = ((~esid) & 0x1f) << 3;
- ste = (struct stab_entry *)(stab | (((~esid) & 0x1f) << 7));
- castout_ste = ste + (castout_entry - 8);
- }
-
- /* Dont cast out the first kernel segment */
- if ((castout_ste->esid_data & ESID_MASK) != PAGE_OFFSET)
- break;
-
- castout_entry = (castout_entry + 1) & 0xf;
- }
-
- get_paca()->stab_rr = (castout_entry + 1) & 0xf;
-
- /* Modify the old entry to the new value. */
-
- /* Force previous translations to complete. DRENG */
- asm volatile("isync" : : : "memory");
-
- old_esid = castout_ste->esid_data >> SID_SHIFT;
- castout_ste->esid_data = 0; /* Invalidate old entry */
-
- asm volatile("sync" : : : "memory"); /* Order update */
-
- castout_ste->vsid_data = vsid_data;
- eieio(); /* Order update */
- castout_ste->esid_data = esid_data;
-
- asm volatile("slbie %0" : : "r" (old_esid << SID_SHIFT));
- /* Ensure completion of slbie */
- asm volatile("sync" : : : "memory");
-
- return (global_entry | (castout_entry & 0x7));
-}
-
-/*
- * Allocate a segment table entry for the given ea and mm
- */
-static int __ste_allocate(unsigned long ea, struct mm_struct *mm)
-{
- unsigned long vsid;
- unsigned char stab_entry;
- unsigned long offset;
-
- /* Kernel or user address? */
- if (is_kernel_addr(ea)) {
- vsid = get_kernel_vsid(ea, MMU_SEGSIZE_256M);
- } else {
- if ((ea >= TASK_SIZE_USER64) || (! mm))
- return 1;
-
- vsid = get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M);
- }
-
- stab_entry = make_ste(get_paca()->stab_addr, GET_ESID(ea), vsid);
-
- if (!is_kernel_addr(ea)) {
- offset = __get_cpu_var(stab_cache_ptr);
- if (offset < NR_STAB_CACHE_ENTRIES)
- __get_cpu_var(stab_cache[offset++]) = stab_entry;
- else
- offset = NR_STAB_CACHE_ENTRIES+1;
- __get_cpu_var(stab_cache_ptr) = offset;
-
- /* Order update */
- asm volatile("sync":::"memory");
- }
-
- return 0;
-}
-
-int ste_allocate(unsigned long ea)
-{
- return __ste_allocate(ea, current->mm);
-}
-
-/*
- * Do the segment table work for a context switch: flush all user
- * entries from the table, then preload some probably useful entries
- * for the new task
- */
-void switch_stab(struct task_struct *tsk, struct mm_struct *mm)
-{
- struct stab_entry *stab = (struct stab_entry *) get_paca()->stab_addr;
- struct stab_entry *ste;
- unsigned long offset;
- unsigned long pc = KSTK_EIP(tsk);
- unsigned long stack = KSTK_ESP(tsk);
- unsigned long unmapped_base;
-
- /* Force previous translations to complete. DRENG */
- asm volatile("isync" : : : "memory");
-
- /*
- * We need interrupts hard-disabled here, not just soft-disabled,
- * so that a PMU interrupt can't occur, which might try to access
- * user memory (to get a stack trace) and possible cause an STAB miss
- * which would update the stab_cache/stab_cache_ptr per-cpu variables.
- */
- hard_irq_disable();
-
- offset = __get_cpu_var(stab_cache_ptr);
- if (offset <= NR_STAB_CACHE_ENTRIES) {
- int i;
-
- for (i = 0; i < offset; i++) {
- ste = stab + __get_cpu_var(stab_cache[i]);
- ste->esid_data = 0; /* invalidate entry */
- }
- } else {
- unsigned long entry;
-
- /* Invalidate all entries. */
- ste = stab;
-
- /* Never flush the first entry. */
- ste += 1;
- for (entry = 1;
- entry < (HW_PAGE_SIZE / sizeof(struct stab_entry));
- entry++, ste++) {
- unsigned long ea;
- ea = ste->esid_data & ESID_MASK;
- if (!is_kernel_addr(ea)) {
- ste->esid_data = 0;
- }
- }
- }
-
- asm volatile("sync; slbia; sync":::"memory");
-
- __get_cpu_var(stab_cache_ptr) = 0;
-
- /* Now preload some entries for the new task */
- if (test_tsk_thread_flag(tsk, TIF_32BIT))
- unmapped_base = TASK_UNMAPPED_BASE_USER32;
- else
- unmapped_base = TASK_UNMAPPED_BASE_USER64;
-
- __ste_allocate(pc, mm);
-
- if (GET_ESID(pc) == GET_ESID(stack))
- return;
-
- __ste_allocate(stack, mm);
-
- if ((GET_ESID(pc) == GET_ESID(unmapped_base))
- || (GET_ESID(stack) == GET_ESID(unmapped_base)))
- return;
-
- __ste_allocate(unmapped_base, mm);
-
- /* Order update */
- asm volatile("sync" : : : "memory");
-}
-
-/*
- * Allocate segment tables for secondary CPUs. These must all go in
- * the first (bolted) segment, so that do_stab_bolted won't get a
- * recursive segment miss on the segment table itself.
- */
-void __init stabs_alloc(void)
-{
- int cpu;
-
- if (mmu_has_feature(MMU_FTR_SLB))
- return;
-
- for_each_possible_cpu(cpu) {
- unsigned long newstab;
-
- if (cpu == 0)
- continue; /* stab for CPU 0 is statically allocated */
-
- newstab = memblock_alloc_base(HW_PAGE_SIZE, HW_PAGE_SIZE,
- 1<<SID_SHIFT);
- newstab = (unsigned long)__va(newstab);
-
- memset((void *)newstab, 0, HW_PAGE_SIZE);
-
- paca[cpu].stab_addr = newstab;
- paca[cpu].stab_real = __pa(newstab);
- printk(KERN_INFO "Segment table for CPU %d at 0x%llx "
- "virtual, 0x%llx absolute\n",
- cpu, paca[cpu].stab_addr, paca[cpu].stab_real);
- }
-}
-
-/*
- * Build an entry for the base kernel segment and put it into
- * the segment table or SLB. All other segment table or SLB
- * entries are faulted in.
- */
-void stab_initialize(unsigned long stab)
-{
- unsigned long vsid = get_kernel_vsid(PAGE_OFFSET, MMU_SEGSIZE_256M);
- unsigned long stabreal;
-
- asm volatile("isync; slbia; isync":::"memory");
- make_ste(stab, GET_ESID(PAGE_OFFSET), vsid);
-
- /* Order update */
- asm volatile("sync":::"memory");
-
- /* Set ASR */
- stabreal = get_paca()->stab_real | 0x1ul;
-
- mtspr(SPRN_ASR, stabreal);
-}
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 356e8b41fb09..89bf95bd63b1 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -296,9 +296,12 @@ itlb_miss_fault_bolted:
* r14 = page table base
* r13 = PACA
* r11 = tlb_per_core ptr
- * r10 = cpu number
+ * r10 = crap (free to use)
*/
tlb_miss_common_e6500:
+ crmove cr2*4+2,cr0*4+2 /* cr2.eq != 0 if kernel address */
+
+BEGIN_FTR_SECTION /* CPU_FTR_SMT */
/*
* Search if we already have an indirect entry for that virtual
* address, and if we do, bail out.
@@ -309,6 +312,7 @@ tlb_miss_common_e6500:
lhz r10,PACAPACAINDEX(r13)
cmpdi r15,0
cmpdi cr1,r15,1 /* set cr1.eq = 0 for non-recursive */
+ addi r10,r10,1
bne 2f
stbcx. r10,0,r11
bne 1b
@@ -322,18 +326,62 @@ tlb_miss_common_e6500:
b 1b
.previous
+ /*
+ * Erratum A-008139 says that we can't use tlbwe to change
+ * an indirect entry in any way (including replacing or
+ * invalidating) if the other thread could be in the process
+ * of a lookup. The workaround is to invalidate the entry
+ * with tlbilx before overwriting.
+ */
+
+ lbz r15,TCD_ESEL_NEXT(r11)
+ rlwinm r10,r15,16,0xff0000
+ oris r10,r10,MAS0_TLBSEL(1)@h
+ mtspr SPRN_MAS0,r10
+ isync
+ tlbre
+ mfspr r15,SPRN_MAS1
+ andis. r15,r15,MAS1_VALID@h
+ beq 5f
+
+BEGIN_FTR_SECTION_NESTED(532)
+ mfspr r10,SPRN_MAS8
+ rlwinm r10,r10,0,0x80000fff /* tgs,tlpid -> sgs,slpid */
+ mtspr SPRN_MAS5,r10
+END_FTR_SECTION_NESTED(CPU_FTR_EMB_HV,CPU_FTR_EMB_HV,532)
+
+ mfspr r10,SPRN_MAS1
+ rlwinm r15,r10,0,0x3fff0000 /* tid -> spid */
+ rlwimi r15,r10,20,0x00000003 /* ind,ts -> sind,sas */
+ mfspr r10,SPRN_MAS6
+ mtspr SPRN_MAS6,r15
+
mfspr r15,SPRN_MAS2
+ isync
+ tlbilxva 0,r15
+ isync
+
+ mtspr SPRN_MAS6,r10
+
+5:
+BEGIN_FTR_SECTION_NESTED(532)
+ li r10,0
+ mtspr SPRN_MAS8,r10
+ mtspr SPRN_MAS5,r10
+END_FTR_SECTION_NESTED(CPU_FTR_EMB_HV,CPU_FTR_EMB_HV,532)
tlbsx 0,r16
mfspr r10,SPRN_MAS1
- andis. r10,r10,MAS1_VALID@h
+ andis. r15,r10,MAS1_VALID@h
bne tlb_miss_done_e6500
-
- /* Undo MAS-damage from the tlbsx */
+FTR_SECTION_ELSE
mfspr r10,SPRN_MAS1
+ALT_FTR_SECTION_END_IFSET(CPU_FTR_SMT)
+
oris r10,r10,MAS1_VALID@h
- mtspr SPRN_MAS1,r10
- mtspr SPRN_MAS2,r15
+ beq cr2,4f
+ rlwinm r10,r10,0,16,1 /* Clear TID */
+4: mtspr SPRN_MAS1,r10
/* Now, we need to walk the page tables. First check if we are in
* range.
@@ -394,11 +442,13 @@ tlb_miss_common_e6500:
tlb_miss_done_e6500:
.macro tlb_unlock_e6500
+BEGIN_FTR_SECTION
beq cr1,1f /* no unlock if lock was recursively grabbed */
li r15,0
isync
stb r15,0(r11)
1:
+END_FTR_SECTION_IFSET(CPU_FTR_SMT)
.endm
tlb_unlock_e6500
@@ -407,12 +457,9 @@ tlb_miss_done_e6500:
rfi
tlb_miss_kernel_e6500:
- mfspr r10,SPRN_MAS1
ld r14,PACA_KERNELPGD(r13)
- cmpldi cr0,r15,8 /* Check for vmalloc region */
- rlwinm r10,r10,0,16,1 /* Clear TID */
- mtspr SPRN_MAS1,r10
- beq+ tlb_miss_common_e6500
+ cmpldi cr1,r15,8 /* Check for vmalloc region */
+ beq+ cr1,tlb_miss_common_e6500
tlb_miss_fault_e6500:
tlb_unlock_e6500
diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile
index 751ec7bd5018..cedbbeced632 100644
--- a/arch/powerpc/oprofile/Makefile
+++ b/arch/powerpc/oprofile/Makefile
@@ -14,6 +14,6 @@ oprofile-y := $(DRIVER_OBJS) common.o backtrace.o
oprofile-$(CONFIG_OPROFILE_CELL) += op_model_cell.o \
cell/spu_profiler.o cell/vma_map.o \
cell/spu_task_sync.o
-oprofile-$(CONFIG_PPC_BOOK3S_64) += op_model_rs64.o op_model_power4.o op_model_pa6t.o
+oprofile-$(CONFIG_PPC_BOOK3S_64) += op_model_power4.o op_model_pa6t.o
oprofile-$(CONFIG_FSL_EMB_PERFMON) += op_model_fsl_emb.o
oprofile-$(CONFIG_6xx) += op_model_7450.o
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index c77348c5d463..bf094c5a4bd9 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -205,9 +205,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
ops->sync_stop = model->sync_stop;
break;
#endif
- case PPC_OPROFILE_RS64:
- model = &op_model_rs64;
- break;
case PPC_OPROFILE_POWER4:
model = &op_model_power4;
break;
diff --git a/arch/powerpc/oprofile/op_model_rs64.c b/arch/powerpc/oprofile/op_model_rs64.c
deleted file mode 100644
index 7e5b8ed3a1b7..000000000000
--- a/arch/powerpc/oprofile/op_model_rs64.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/oprofile.h>
-#include <linux/smp.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/cputable.h>
-#include <asm/oprofile_impl.h>
-
-#define dbg(args...)
-
-static void ctrl_write(unsigned int i, unsigned int val)
-{
- unsigned int tmp = 0;
- unsigned long shift = 0, mask = 0;
-
- dbg("ctrl_write %d %x\n", i, val);
-
- switch(i) {
- case 0:
- tmp = mfspr(SPRN_MMCR0);
- shift = 6;
- mask = 0x7F;
- break;
- case 1:
- tmp = mfspr(SPRN_MMCR0);
- shift = 0;
- mask = 0x3F;
- break;
- case 2:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 4;
- mask = 0x1F;
- break;
- case 3:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 9;
- mask = 0x1F;
- break;
- case 4:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 14;
- mask = 0x1F;
- break;
- case 5:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 19;
- mask = 0x1F;
- break;
- case 6:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 24;
- mask = 0x1F;
- break;
- case 7:
- tmp = mfspr(SPRN_MMCR1);
- shift = 31 - 28;
- mask = 0xF;
- break;
- }
-
- tmp = tmp & ~(mask << shift);
- tmp |= val << shift;
-
- switch(i) {
- case 0:
- case 1:
- mtspr(SPRN_MMCR0, tmp);
- break;
- default:
- mtspr(SPRN_MMCR1, tmp);
- }
-
- dbg("ctrl_write mmcr0 %lx mmcr1 %lx\n", mfspr(SPRN_MMCR0),
- mfspr(SPRN_MMCR1));
-}
-
-static unsigned long reset_value[OP_MAX_COUNTER];
-
-static int num_counters;
-
-static int rs64_reg_setup(struct op_counter_config *ctr,
- struct op_system_config *sys,
- int num_ctrs)
-{
- int i;
-
- num_counters = num_ctrs;
-
- for (i = 0; i < num_counters; ++i)
- reset_value[i] = 0x80000000UL - ctr[i].count;
-
- /* XXX setup user and kernel profiling */
- return 0;
-}
-
-static int rs64_cpu_setup(struct op_counter_config *ctr)
-{
- unsigned int mmcr0;
-
- /* reset MMCR0 and set the freeze bit */
- mmcr0 = MMCR0_FC;
- mtspr(SPRN_MMCR0, mmcr0);
-
- /* reset MMCR1, MMCRA */
- mtspr(SPRN_MMCR1, 0);
-
- if (cpu_has_feature(CPU_FTR_MMCRA))
- mtspr(SPRN_MMCRA, 0);
-
- mmcr0 |= MMCR0_FCM1|MMCR0_PMXE|MMCR0_FCECE;
- /* Only applies to POWER3, but should be safe on RS64 */
- mmcr0 |= MMCR0_PMC1CE|MMCR0_PMCjCE;
- mtspr(SPRN_MMCR0, mmcr0);
-
- dbg("setup on cpu %d, mmcr0 %lx\n", smp_processor_id(),
- mfspr(SPRN_MMCR0));
- dbg("setup on cpu %d, mmcr1 %lx\n", smp_processor_id(),
- mfspr(SPRN_MMCR1));
-
- return 0;
-}
-
-static int rs64_start(struct op_counter_config *ctr)
-{
- int i;
- unsigned int mmcr0;
-
- /* set the PMM bit (see comment below) */
- mtmsrd(mfmsr() | MSR_PMM);
-
- for (i = 0; i < num_counters; ++i) {
- if (ctr[i].enabled) {
- classic_ctr_write(i, reset_value[i]);
- ctrl_write(i, ctr[i].event);
- } else {
- classic_ctr_write(i, 0);
- }
- }
-
- mmcr0 = mfspr(SPRN_MMCR0);
-
- /*
- * now clear the freeze bit, counting will not start until we
- * rfid from this excetion, because only at that point will
- * the PMM bit be cleared
- */
- mmcr0 &= ~MMCR0_FC;
- mtspr(SPRN_MMCR0, mmcr0);
-
- dbg("start on cpu %d, mmcr0 %x\n", smp_processor_id(), mmcr0);
- return 0;
-}
-
-static void rs64_stop(void)
-{
- unsigned int mmcr0;
-
- /* freeze counters */
- mmcr0 = mfspr(SPRN_MMCR0);
- mmcr0 |= MMCR0_FC;
- mtspr(SPRN_MMCR0, mmcr0);
-
- dbg("stop on cpu %d, mmcr0 %x\n", smp_processor_id(), mmcr0);
-
- mb();
-}
-
-static void rs64_handle_interrupt(struct pt_regs *regs,
- struct op_counter_config *ctr)
-{
- unsigned int mmcr0;
- int is_kernel;
- int val;
- int i;
- unsigned long pc = mfspr(SPRN_SIAR);
-
- is_kernel = is_kernel_addr(pc);
-
- /* set the PMM bit (see comment below) */
- mtmsrd(mfmsr() | MSR_PMM);
-
- for (i = 0; i < num_counters; ++i) {
- val = classic_ctr_read(i);
- if (val < 0) {
- if (ctr[i].enabled) {
- oprofile_add_ext_sample(pc, regs, i, is_kernel);
- classic_ctr_write(i, reset_value[i]);
- } else {
- classic_ctr_write(i, 0);
- }
- }
- }
-
- mmcr0 = mfspr(SPRN_MMCR0);
-
- /* reset the perfmon trigger */
- mmcr0 |= MMCR0_PMXE;
-
- /*
- * now clear the freeze bit, counting will not start until we
- * rfid from this exception, because only at that point will
- * the PMM bit be cleared
- */
- mmcr0 &= ~MMCR0_FC;
- mtspr(SPRN_MMCR0, mmcr0);
-}
-
-struct op_powerpc_model op_model_rs64 = {
- .reg_setup = rs64_reg_setup,
- .cpu_setup = rs64_cpu_setup,
- .start = rs64_start,
- .stop = rs64_stop,
- .handle_interrupt = rs64_handle_interrupt,
-};
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index fe52db2eea6a..b7cd00b0171e 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -36,7 +36,12 @@ struct cpu_hw_events {
struct perf_event *event[MAX_HWEVENTS];
u64 events[MAX_HWEVENTS];
unsigned int flags[MAX_HWEVENTS];
- unsigned long mmcr[3];
+ /*
+ * The order of the MMCR array is:
+ * - 64-bit, MMCR0, MMCR1, MMCRA, MMCR2
+ * - 32-bit, MMCR0, MMCR1, MMCR2
+ */
+ unsigned long mmcr[4];
struct perf_event *limited_counter[MAX_LIMITED_HWCOUNTERS];
u8 limited_hwidx[MAX_LIMITED_HWCOUNTERS];
u64 alternatives[MAX_HWEVENTS][MAX_EVENT_ALTERNATIVES];
@@ -112,9 +117,9 @@ static bool is_ebb_event(struct perf_event *event) { return false; }
static int ebb_event_check(struct perf_event *event) { return 0; }
static void ebb_event_add(struct perf_event *event) { }
static void ebb_switch_out(unsigned long mmcr0) { }
-static unsigned long ebb_switch_in(bool ebb, unsigned long mmcr0)
+static unsigned long ebb_switch_in(bool ebb, struct cpu_hw_events *cpuhw)
{
- return mmcr0;
+ return cpuhw->mmcr[0];
}
static inline void power_pmu_bhrb_enable(struct perf_event *event) {}
@@ -542,8 +547,10 @@ static void ebb_switch_out(unsigned long mmcr0)
current->thread.mmcr2 = mfspr(SPRN_MMCR2) & MMCR2_USER_MASK;
}
-static unsigned long ebb_switch_in(bool ebb, unsigned long mmcr0)
+static unsigned long ebb_switch_in(bool ebb, struct cpu_hw_events *cpuhw)
{
+ unsigned long mmcr0 = cpuhw->mmcr[0];
+
if (!ebb)
goto out;
@@ -568,7 +575,15 @@ static unsigned long ebb_switch_in(bool ebb, unsigned long mmcr0)
mtspr(SPRN_SIAR, current->thread.siar);
mtspr(SPRN_SIER, current->thread.sier);
mtspr(SPRN_SDAR, current->thread.sdar);
- mtspr(SPRN_MMCR2, current->thread.mmcr2);
+
+ /*
+ * Merge the kernel & user values of MMCR2. The semantics we implement
+ * are that the user MMCR2 can set bits, ie. cause counters to freeze,
+ * but not clear bits. If a task wants to be able to clear bits, ie.
+ * unfreeze counters, it should not set exclude_xxx in its events and
+ * instead manage the MMCR2 entirely by itself.
+ */
+ mtspr(SPRN_MMCR2, cpuhw->mmcr[3] | current->thread.mmcr2);
out:
return mmcr0;
}
@@ -915,6 +930,14 @@ static int check_excludes(struct perf_event **ctrs, unsigned int cflags[],
int i, n, first;
struct perf_event *event;
+ /*
+ * If the PMU we're on supports per event exclude settings then we
+ * don't need to do any of this logic. NB. This assumes no PMU has both
+ * per event exclude and limited PMCs.
+ */
+ if (ppmu->flags & PPMU_ARCH_207S)
+ return 0;
+
n = n_prev + n_new;
if (n <= 1)
return 0;
@@ -1219,28 +1242,31 @@ static void power_pmu_enable(struct pmu *pmu)
}
/*
- * Compute MMCR* values for the new set of events
+ * Clear all MMCR settings and recompute them for the new set of events.
*/
+ memset(cpuhw->mmcr, 0, sizeof(cpuhw->mmcr));
+
if (ppmu->compute_mmcr(cpuhw->events, cpuhw->n_events, hwc_index,
- cpuhw->mmcr)) {
+ cpuhw->mmcr, cpuhw->event)) {
/* shouldn't ever get here */
printk(KERN_ERR "oops compute_mmcr failed\n");
goto out;
}
- /*
- * Add in MMCR0 freeze bits corresponding to the
- * attr.exclude_* bits for the first event.
- * We have already checked that all events have the
- * same values for these bits as the first event.
- */
- event = cpuhw->event[0];
- if (event->attr.exclude_user)
- cpuhw->mmcr[0] |= MMCR0_FCP;
- if (event->attr.exclude_kernel)
- cpuhw->mmcr[0] |= freeze_events_kernel;
- if (event->attr.exclude_hv)
- cpuhw->mmcr[0] |= MMCR0_FCHV;
+ if (!(ppmu->flags & PPMU_ARCH_207S)) {
+ /*
+ * Add in MMCR0 freeze bits corresponding to the attr.exclude_*
+ * bits for the first event. We have already checked that all
+ * events have the same value for these bits as the first event.
+ */
+ event = cpuhw->event[0];
+ if (event->attr.exclude_user)
+ cpuhw->mmcr[0] |= MMCR0_FCP;
+ if (event->attr.exclude_kernel)
+ cpuhw->mmcr[0] |= freeze_events_kernel;
+ if (event->attr.exclude_hv)
+ cpuhw->mmcr[0] |= MMCR0_FCHV;
+ }
/*
* Write the new configuration to MMCR* with the freeze
@@ -1252,6 +1278,8 @@ static void power_pmu_enable(struct pmu *pmu)
mtspr(SPRN_MMCR1, cpuhw->mmcr[1]);
mtspr(SPRN_MMCR0, (cpuhw->mmcr[0] & ~(MMCR0_PMC1CE | MMCR0_PMCjCE))
| MMCR0_FC);
+ if (ppmu->flags & PPMU_ARCH_207S)
+ mtspr(SPRN_MMCR2, cpuhw->mmcr[3]);
/*
* Read off any pre-existing events that need to move
@@ -1307,10 +1335,7 @@ static void power_pmu_enable(struct pmu *pmu)
out_enable:
pmao_restore_workaround(ebb);
- if (ppmu->flags & PPMU_ARCH_207S)
- mtspr(SPRN_MMCR2, 0);
-
- mmcr0 = ebb_switch_in(ebb, cpuhw->mmcr[0]);
+ mmcr0 = ebb_switch_in(ebb, cpuhw);
mb();
if (cpuhw->bhrb_users)
diff --git a/arch/powerpc/perf/mpc7450-pmu.c b/arch/powerpc/perf/mpc7450-pmu.c
index fe21b515ca44..d115c5635bf3 100644
--- a/arch/powerpc/perf/mpc7450-pmu.c
+++ b/arch/powerpc/perf/mpc7450-pmu.c
@@ -260,8 +260,9 @@ static const u32 pmcsel_mask[N_COUNTER] = {
/*
* Compute MMCR0/1/2 values for a set of events.
*/
-static int mpc7450_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+static int mpc7450_compute_mmcr(u64 event[], int n_ev, unsigned int hwc[],
+ unsigned long mmcr[],
+ struct perf_event *pevents[])
{
u8 event_index[N_CLASSES][N_COUNTER];
int n_classevent[N_CLASSES];
diff --git a/arch/powerpc/perf/power4-pmu.c b/arch/powerpc/perf/power4-pmu.c
index 9103a1de864d..ce6072fa481b 100644
--- a/arch/powerpc/perf/power4-pmu.c
+++ b/arch/powerpc/perf/power4-pmu.c
@@ -356,7 +356,7 @@ static int p4_get_alternatives(u64 event, unsigned int flags, u64 alt[])
}
static int p4_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr0 = 0, mmcr1 = 0, mmcra = 0;
unsigned int pmc, unit, byte, psel, lower;
diff --git a/arch/powerpc/perf/power5+-pmu.c b/arch/powerpc/perf/power5+-pmu.c
index b03b6dc0172d..0526dac66007 100644
--- a/arch/powerpc/perf/power5+-pmu.c
+++ b/arch/powerpc/perf/power5+-pmu.c
@@ -452,7 +452,7 @@ static int power5p_marked_instr_event(u64 event)
}
static int power5p_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr1 = 0;
unsigned long mmcra = 0;
diff --git a/arch/powerpc/perf/power5-pmu.c b/arch/powerpc/perf/power5-pmu.c
index 1e8ce423c3af..4dc99f9f7962 100644
--- a/arch/powerpc/perf/power5-pmu.c
+++ b/arch/powerpc/perf/power5-pmu.c
@@ -383,7 +383,7 @@ static int power5_marked_instr_event(u64 event)
}
static int power5_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr1 = 0;
unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
diff --git a/arch/powerpc/perf/power6-pmu.c b/arch/powerpc/perf/power6-pmu.c
index 31128e086fed..9c9d646b68a1 100644
--- a/arch/powerpc/perf/power6-pmu.c
+++ b/arch/powerpc/perf/power6-pmu.c
@@ -175,7 +175,7 @@ static int power6_marked_instr_event(u64 event)
* Assign PMC numbers and compute MMCR1 value for a set of events
*/
static int p6_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr1 = 0;
unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c
index 56c67bca2f75..5b62f2389290 100644
--- a/arch/powerpc/perf/power7-pmu.c
+++ b/arch/powerpc/perf/power7-pmu.c
@@ -245,7 +245,7 @@ static int power7_marked_instr_event(u64 event)
}
static int power7_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr1 = 0;
unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index 639cd9156585..396351db601b 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/perf_event.h>
#include <asm/firmware.h>
+#include <asm/cputable.h>
/*
@@ -266,6 +267,11 @@
#define MMCRA_SDAR_MODE_TLB (1ull << 42)
#define MMCRA_IFM_SHIFT 30
+/* Bits in MMCR2 for POWER8 */
+#define MMCR2_FCS(pmc) (1ull << (63 - (((pmc) - 1) * 9)))
+#define MMCR2_FCP(pmc) (1ull << (62 - (((pmc) - 1) * 9)))
+#define MMCR2_FCH(pmc) (1ull << (57 - (((pmc) - 1) * 9)))
+
static inline bool event_is_fab_match(u64 event)
{
@@ -393,9 +399,10 @@ static int power8_get_constraint(u64 event, unsigned long *maskp, unsigned long
}
static int power8_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[],
+ struct perf_event *pevents[])
{
- unsigned long mmcra, mmcr1, unit, combine, psel, cache, val;
+ unsigned long mmcra, mmcr1, mmcr2, unit, combine, psel, cache, val;
unsigned int pmc, pmc_inuse;
int i;
@@ -410,7 +417,7 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
/* In continous sampling mode, update SDAR on TLB miss */
mmcra = MMCRA_SDAR_MODE_TLB;
- mmcr1 = 0;
+ mmcr1 = mmcr2 = 0;
/* Second pass: assign PMCs, set all MMCR1 fields */
for (i = 0; i < n_ev; ++i) {
@@ -472,6 +479,19 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
mmcra |= val << MMCRA_IFM_SHIFT;
}
+ if (pevents[i]->attr.exclude_user)
+ mmcr2 |= MMCR2_FCP(pmc);
+
+ if (pevents[i]->attr.exclude_hv)
+ mmcr2 |= MMCR2_FCH(pmc);
+
+ if (pevents[i]->attr.exclude_kernel) {
+ if (cpu_has_feature(CPU_FTR_HVMODE))
+ mmcr2 |= MMCR2_FCH(pmc);
+ else
+ mmcr2 |= MMCR2_FCS(pmc);
+ }
+
hwc[i] = pmc - 1;
}
@@ -491,6 +511,7 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
mmcr[1] = mmcr1;
mmcr[2] = mmcra;
+ mmcr[3] = mmcr2;
return 0;
}
diff --git a/arch/powerpc/perf/ppc970-pmu.c b/arch/powerpc/perf/ppc970-pmu.c
index 20139ceeacf6..8b6a8a36fa38 100644
--- a/arch/powerpc/perf/ppc970-pmu.c
+++ b/arch/powerpc/perf/ppc970-pmu.c
@@ -257,7 +257,7 @@ static int p970_get_alternatives(u64 event, unsigned int flags, u64 alt[])
}
static int p970_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
+ unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[])
{
unsigned long mmcr0 = 0, mmcr1 = 0, mmcra = 0;
unsigned int pmc, unit, byte, psel;
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index f442120e0033..0c1e6903597e 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -274,7 +274,7 @@ config CORENET_GENERIC
For 32bit kernel, the following boards are supported:
P2041 RDB, P3041 DS, P4080 DS, kmcoge4, and OCA4080
For 64bit kernel, the following boards are supported:
- T4240 QDS and B4 QDS
+ T208x QDS/RDB, T4240 QDS/RDB and B4 QDS
The following boards are supported for both 32bit and 64bit kernel:
P5020 DS, P5040 DS and T104xQDS
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index 5db1e117fdde..d22dd85e50bf 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -119,7 +119,11 @@ static const char * const boards[] __initconst = {
"fsl,P4080DS",
"fsl,P5020DS",
"fsl,P5040DS",
+ "fsl,T2080QDS",
+ "fsl,T2080RDB",
+ "fsl,T2081QDS",
"fsl,T4240QDS",
+ "fsl,T4240RDB",
"fsl,B4860QDS",
"fsl,B4420QDS",
"fsl,B4220QDS",
@@ -129,28 +133,14 @@ static const char * const boards[] __initconst = {
NULL
};
-static const char * const hv_boards[] __initconst = {
- "fsl,P2041RDB-hv",
- "fsl,P3041DS-hv",
- "fsl,OCA4080-hv",
- "fsl,P4080DS-hv",
- "fsl,P5020DS-hv",
- "fsl,P5040DS-hv",
- "fsl,T4240QDS-hv",
- "fsl,B4860QDS-hv",
- "fsl,B4420QDS-hv",
- "fsl,B4220QDS-hv",
- "fsl,T1040QDS-hv",
- "fsl,T1042QDS-hv",
- NULL
-};
-
/*
* Called very early, device-tree isn't unflattened
*/
static int __init corenet_generic_probe(void)
{
unsigned long root = of_get_flat_dt_root();
+ char hv_compat[24];
+ int i;
#ifdef CONFIG_SMP
extern struct smp_ops_t smp_85xx_ops;
#endif
@@ -159,21 +149,26 @@ static int __init corenet_generic_probe(void)
return 1;
/* Check if we're running under the Freescale hypervisor */
- if (of_flat_dt_match(root, hv_boards)) {
- ppc_md.init_IRQ = ehv_pic_init;
- ppc_md.get_irq = ehv_pic_get_irq;
- ppc_md.restart = fsl_hv_restart;
- ppc_md.power_off = fsl_hv_halt;
- ppc_md.halt = fsl_hv_halt;
+ for (i = 0; boards[i]; i++) {
+ snprintf(hv_compat, sizeof(hv_compat), "%s-hv", boards[i]);
+ if (of_flat_dt_is_compatible(root, hv_compat)) {
+ ppc_md.init_IRQ = ehv_pic_init;
+
+ ppc_md.get_irq = ehv_pic_get_irq;
+ ppc_md.restart = fsl_hv_restart;
+ ppc_md.power_off = fsl_hv_halt;
+ ppc_md.halt = fsl_hv_halt;
#ifdef CONFIG_SMP
- /*
- * Disable the timebase sync operations because we can't write
- * to the timebase registers under the hypervisor.
- */
- smp_85xx_ops.give_timebase = NULL;
- smp_85xx_ops.take_timebase = NULL;
+ /*
+ * Disable the timebase sync operations because we
+ * can't write to the timebase registers under the
+ * hypervisor.
+ */
+ smp_85xx_ops.give_timebase = NULL;
+ smp_85xx_ops.take_timebase = NULL;
#endif
- return 1;
+ return 1;
+ }
}
return 0;
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index ba093f553678..d7c1e69f3070 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -28,6 +28,7 @@
#include <asm/dbell.h>
#include <asm/fsl_guts.h>
#include <asm/code-patching.h>
+#include <asm/cputhreads.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/mpic.h>
@@ -168,6 +169,24 @@ static inline u32 read_spin_table_addr_l(void *spin_table)
return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);
}
+#ifdef CONFIG_PPC64
+static void wake_hw_thread(void *info)
+{
+ void fsl_secondary_thread_init(void);
+ unsigned long imsr1, inia1;
+ int nr = *(const int *)info;
+
+ imsr1 = MSR_KERNEL;
+ inia1 = *(unsigned long *)fsl_secondary_thread_init;
+
+ mttmr(TMRN_IMSR1, imsr1);
+ mttmr(TMRN_INIA1, inia1);
+ mtspr(SPRN_TENS, TEN_THREAD(1));
+
+ smp_generic_kick_cpu(nr);
+}
+#endif
+
static int smp_85xx_kick_cpu(int nr)
{
unsigned long flags;
@@ -183,6 +202,31 @@ static int smp_85xx_kick_cpu(int nr)
pr_debug("smp_85xx_kick_cpu: kick CPU #%d\n", nr);
+#ifdef CONFIG_PPC64
+ /* Threads don't use the spin table */
+ if (cpu_thread_in_core(nr) != 0) {
+ int primary = cpu_first_thread_sibling(nr);
+
+ if (WARN_ON_ONCE(!cpu_has_feature(CPU_FTR_SMT)))
+ return -ENOENT;
+
+ if (cpu_thread_in_core(nr) != 1) {
+ pr_err("%s: cpu %d: invalid hw thread %d\n",
+ __func__, nr, cpu_thread_in_core(nr));
+ return -ENOENT;
+ }
+
+ if (!cpu_online(primary)) {
+ pr_err("%s: cpu %d: primary %d not online\n",
+ __func__, nr, primary);
+ return -ENOENT;
+ }
+
+ smp_call_function_single(primary, wake_hw_thread, &nr, 0);
+ return 0;
+ }
+#endif
+
np = of_get_cpu_node(nr, NULL);
cpu_rel_addr = of_get_property(np, "cpu-release-addr", NULL);
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index 587a2828b06c..d3037747031d 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -18,7 +18,6 @@
#include <linux/fsl_devices.h>
#include <asm/io.h>
-#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/prom.h>
#include <asm/fs_pd.h>
@@ -28,8 +27,6 @@
#include "mpc8xx.h"
-struct mpc8xx_pcmcia_ops m8xx_pcmcia_ops;
-
extern int cpm_pic_init(void);
extern int cpm_get_irq(void);
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index c1262581b63c..5921dcb498fd 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -35,7 +35,6 @@
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/time.h>
-#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/cpm1.h>
#include <asm/fs_pd.h>
@@ -46,61 +45,6 @@
static u32 __iomem *bcsr, *bcsr5;
-#ifdef CONFIG_PCMCIA_M8XX
-static void pcmcia_hw_setup(int slot, int enable)
-{
- if (enable)
- clrbits32(&bcsr[1], BCSR1_PCCEN);
- else
- setbits32(&bcsr[1], BCSR1_PCCEN);
-}
-
-static int pcmcia_set_voltage(int slot, int vcc, int vpp)
-{
- u32 reg = 0;
-
- switch (vcc) {
- case 0:
- break;
- case 33:
- reg |= BCSR1_PCCVCC0;
- break;
- case 50:
- reg |= BCSR1_PCCVCC1;
- break;
- default:
- return 1;
- }
-
- switch (vpp) {
- case 0:
- break;
- case 33:
- case 50:
- if (vcc == vpp)
- reg |= BCSR1_PCCVPP1;
- else
- return 1;
- break;
- case 120:
- if ((vcc == 33) || (vcc == 50))
- reg |= BCSR1_PCCVPP0;
- else
- return 1;
- default:
- return 1;
- }
-
- /* first, turn off all power */
- clrbits32(&bcsr[1], 0x00610000);
-
- /* enable new powersettings */
- setbits32(&bcsr[1], reg);
-
- return 0;
-}
-#endif
-
struct cpm_pin {
int port, pin, flags;
};
@@ -245,12 +189,6 @@ static void __init mpc885ads_setup_arch(void)
of_detach_node(np);
of_node_put(np);
}
-
-#ifdef CONFIG_PCMCIA_M8XX
- /* Set up board specific hook-ups.*/
- m8xx_pcmcia_ops.hw_ctrl = pcmcia_hw_setup;
- m8xx_pcmcia_ops.voltage_set = pcmcia_set_voltage;
-#endif
}
static int __init mpc885ads_probe(void)
diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
index 251aba8759e4..dda607807def 100644
--- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
@@ -37,7 +37,6 @@
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/time.h>
-#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/cpm1.h>
#include <asm/fs_pd.h>
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index a41bd023647a..e8bc40869cbd 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -61,7 +61,7 @@ choice
help
There are two families of 64 bit PowerPC chips supported.
The most common ones are the desktop and server CPUs
- (POWER3, RS64, POWER4, POWER5, POWER5+, POWER6, ...)
+ (POWER4, POWER5, 970, POWER5+, POWER6, POWER7, POWER8 ...)
The other are the "embedded" processors compliant with the
"Book 3E" variant of the architecture
@@ -140,14 +140,6 @@ config 6xx
depends on PPC32 && PPC_BOOK3S
select PPC_HAVE_PMU_SUPPORT
-config POWER3
- depends on PPC64 && PPC_BOOK3S
- def_bool y
-
-config POWER4
- depends on PPC64 && PPC_BOOK3S
- def_bool y
-
config TUNE_CELL
bool "Optimize for Cell Broadband Engine"
depends on PPC64 && PPC_BOOK3S
@@ -244,7 +236,7 @@ config PHYS_64BIT
config ALTIVEC
bool "AltiVec Support"
- depends on 6xx || POWER4 || (PPC_E500MC && PPC64)
+ depends on 6xx || PPC_BOOK3S_64 || (PPC_E500MC && PPC64)
---help---
This option enables kernel support for the Altivec extensions to the
PowerPC processor. The kernel currently supports saving and restoring
@@ -260,7 +252,7 @@ config ALTIVEC
config VSX
bool "VSX Support"
- depends on POWER4 && ALTIVEC && PPC_FPU
+ depends on PPC_BOOK3S_64 && ALTIVEC && PPC_FPU
---help---
This option enables kernel support for the Vector Scaler extensions
@@ -276,7 +268,7 @@ config VSX
config PPC_ICSWX
bool "Support for PowerPC icswx coprocessor instruction"
- depends on POWER4
+ depends on PPC_BOOK3S_64
default n
---help---
@@ -294,7 +286,7 @@ config PPC_ICSWX
config PPC_ICSWX_PID
bool "icswx requires direct PID management"
- depends on PPC_ICSWX && POWER4
+ depends on PPC_ICSWX
default y
---help---
The PID register in server is used explicitly for ICSWX. In
diff --git a/arch/powerpc/platforms/powermac/Kconfig b/arch/powerpc/platforms/powermac/Kconfig
index 1afd10f67858..607124bae2e7 100644
--- a/arch/powerpc/platforms/powermac/Kconfig
+++ b/arch/powerpc/platforms/powermac/Kconfig
@@ -10,7 +10,7 @@ config PPC_PMAC
config PPC_PMAC64
bool
- depends on PPC_PMAC && POWER4
+ depends on PPC_PMAC && PPC64
select MPIC
select U3_DART
select MPIC_U3_HT_IRQS
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 63d82bbc05e9..1413e72bc2e1 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -158,7 +158,7 @@ static inline int simple_feature_tweak(struct device_node *node, int type,
return 0;
}
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
static long ohare_htw_scc_enable(struct device_node *node, long param,
long value)
@@ -1318,7 +1318,7 @@ intrepid_aack_delay_enable(struct device_node *node, long param, long value)
}
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
static long
core99_read_gpio(struct device_node *node, long param, long value)
@@ -1338,7 +1338,7 @@ core99_write_gpio(struct device_node *node, long param, long value)
return 0;
}
-#ifdef CONFIG_POWER4
+#ifdef CONFIG_PPC64
static long g5_gmac_enable(struct device_node *node, long param, long value)
{
struct macio_chip *macio = &macio_chips[0];
@@ -1550,9 +1550,9 @@ void g5_phy_disable_cpu1(void)
if (uninorth_maj == 3)
UN_OUT(U3_API_PHY_CONFIG_1, 0);
}
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
#ifdef CONFIG_PM
@@ -1864,7 +1864,7 @@ core99_sleep_state(struct device_node *node, long param, long value)
return 0;
}
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
static long
generic_dev_can_wake(struct device_node *node, long param, long value)
@@ -1906,7 +1906,7 @@ static struct feature_table_entry any_features[] = {
{ 0, NULL }
};
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
/* OHare based motherboards. Currently, we only use these on the
* 2400,3400 and 3500 series powerbooks. Some older desktops seem
@@ -2056,7 +2056,7 @@ static struct feature_table_entry intrepid_features[] = {
{ 0, NULL }
};
-#else /* CONFIG_POWER4 */
+#else /* CONFIG_PPC64 */
/* G5 features
*/
@@ -2074,10 +2074,10 @@ static struct feature_table_entry g5_features[] = {
{ 0, NULL }
};
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
static struct pmac_mb_def pmac_mb_defs[] = {
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
/*
* Desktops
*/
@@ -2342,7 +2342,7 @@ static struct pmac_mb_def pmac_mb_defs[] = {
PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
},
-#else /* CONFIG_POWER4 */
+#else /* CONFIG_PPC64 */
{ "PowerMac7,2", "PowerMac G5",
PMAC_TYPE_POWERMAC_G5, g5_features,
0,
@@ -2373,7 +2373,7 @@ static struct pmac_mb_def pmac_mb_defs[] = {
0,
},
#endif /* CONFIG_PPC64 */
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
};
/*
@@ -2441,7 +2441,7 @@ static int __init probe_motherboard(void)
/* Fallback to selection depending on mac-io chip type */
switch(macio->type) {
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
case macio_grand_central:
pmac_mb.model_id = PMAC_TYPE_PSURGE;
pmac_mb.model_name = "Unknown PowerSurge";
@@ -2475,7 +2475,7 @@ static int __init probe_motherboard(void)
pmac_mb.model_name = "Unknown Intrepid-based";
pmac_mb.features = intrepid_features;
break;
-#else /* CONFIG_POWER4 */
+#else /* CONFIG_PPC64 */
case macio_keylargo2:
pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2;
pmac_mb.model_name = "Unknown K2-based";
@@ -2486,13 +2486,13 @@ static int __init probe_motherboard(void)
pmac_mb.model_name = "Unknown Shasta-based";
pmac_mb.features = g5_features;
break;
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
default:
ret = -ENODEV;
goto done;
}
found:
-#ifndef CONFIG_POWER4
+#ifndef CONFIG_PPC64
/* Fixup Hooper vs. Comet */
if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
@@ -2546,9 +2546,9 @@ found:
*/
powersave_lowspeed = 1;
-#else /* CONFIG_POWER4 */
+#else /* CONFIG_PPC64 */
powersave_nap = 1;
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
/* Check for "mobile" machine */
if (model && (strncmp(model, "PowerBook", 9) == 0
@@ -2786,7 +2786,7 @@ set_initial_features(void)
MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
}
-#ifdef CONFIG_POWER4
+#ifdef CONFIG_PPC64
if (macio_chips[0].type == macio_keylargo2 ||
macio_chips[0].type == macio_shasta) {
#ifndef CONFIG_SMP
@@ -2826,7 +2826,7 @@ set_initial_features(void)
np = of_find_node_by_name(np, "firewire");
}
}
-#else /* CONFIG_POWER4 */
+#else /* CONFIG_PPC64 */
if (macio_chips[0].type == macio_keylargo ||
macio_chips[0].type == macio_pangea ||
@@ -2895,7 +2895,7 @@ set_initial_features(void)
MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N);
}
-#endif /* CONFIG_POWER4 */
+#endif /* CONFIG_PPC64 */
/* On all machines, switch modem & serial ports off */
for_each_node_by_name(np, "ch-a")
diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile
index 4ad227d04c1a..f241accc053d 100644
--- a/arch/powerpc/platforms/powernv/Makefile
+++ b/arch/powerpc/platforms/powernv/Makefile
@@ -1,10 +1,11 @@
obj-y += setup.o opal-wrappers.o opal.o opal-async.o
obj-y += opal-rtc.o opal-nvram.o opal-lpc.o opal-flash.o
obj-y += rng.o opal-elog.o opal-dump.o opal-sysparam.o opal-sensor.o
-obj-y += opal-msglog.o
+obj-y += opal-msglog.o opal-hmi.o
obj-$(CONFIG_SMP) += smp.o subcore.o subcore-asm.o
obj-$(CONFIG_PCI) += pci.o pci-p5ioc2.o pci-ioda.o
obj-$(CONFIG_EEH) += eeh-ioda.o eeh-powernv.o
obj-$(CONFIG_PPC_SCOM) += opal-xscom.o
obj-$(CONFIG_MEMORY_FAILURE) += opal-memory-errors.o
+obj-$(CONFIG_TRACEPOINTS) += opal-tracepoints.o
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 8ad0c5b891f4..c945bed4dc9e 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -187,10 +187,10 @@ static int ioda_eeh_post_init(struct pci_controller *hose)
*/
static int ioda_eeh_set_option(struct eeh_pe *pe, int option)
{
- s64 ret;
- u32 pe_no;
struct pci_controller *hose = pe->phb;
struct pnv_phb *phb = hose->private_data;
+ int enable, ret = 0;
+ s64 rc;
/* Check on PE number */
if (pe->addr < 0 || pe->addr >= phb->ioda.total_pe) {
@@ -201,184 +201,214 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option)
return -EINVAL;
}
- pe_no = pe->addr;
switch (option) {
case EEH_OPT_DISABLE:
- ret = -EEXIST;
- break;
+ return -EPERM;
case EEH_OPT_ENABLE:
- ret = 0;
- break;
+ return 0;
case EEH_OPT_THAW_MMIO:
- ret = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
- OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO);
- if (ret) {
- pr_warning("%s: Failed to enable MMIO for "
- "PHB#%x-PE#%x, err=%lld\n",
- __func__, hose->global_number, pe_no, ret);
- return -EIO;
- }
-
+ enable = OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO;
break;
case EEH_OPT_THAW_DMA:
- ret = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
- OPAL_EEH_ACTION_CLEAR_FREEZE_DMA);
- if (ret) {
- pr_warning("%s: Failed to enable DMA for "
- "PHB#%x-PE#%x, err=%lld\n",
- __func__, hose->global_number, pe_no, ret);
- return -EIO;
- }
-
+ enable = OPAL_EEH_ACTION_CLEAR_FREEZE_DMA;
break;
default:
- pr_warning("%s: Invalid option %d\n", __func__, option);
+ pr_warn("%s: Invalid option %d\n",
+ __func__, option);
return -EINVAL;
}
+ /* If PHB supports compound PE, to handle it */
+ if (phb->unfreeze_pe) {
+ ret = phb->unfreeze_pe(phb, pe->addr, enable);
+ } else {
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id,
+ pe->addr,
+ enable);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld enable %d for PHB#%x-PE#%x\n",
+ __func__, rc, option, phb->hose->global_number,
+ pe->addr);
+ ret = -EIO;
+ }
+ }
+
return ret;
}
-static void ioda_eeh_phb_diag(struct pci_controller *hose)
+static void ioda_eeh_phb_diag(struct eeh_pe *pe)
{
- struct pnv_phb *phb = hose->private_data;
+ struct pnv_phb *phb = pe->phb->private_data;
long rc;
- rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+ rc = opal_pci_get_phb_diag_data2(phb->opal_id, pe->data,
PNV_PCI_DIAG_BUF_SIZE);
- if (rc != OPAL_SUCCESS) {
- pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
- __func__, hose->global_number, rc);
- return;
- }
-
- pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
+ if (rc != OPAL_SUCCESS)
+ pr_warn("%s: Failed to get diag-data for PHB#%x (%ld)\n",
+ __func__, pe->phb->global_number, rc);
}
-/**
- * ioda_eeh_get_state - Retrieve the state of PE
- * @pe: EEH PE
- *
- * The PE's state should be retrieved from the PEEV, PEST
- * IODA tables. Since the OPAL has exported the function
- * to do it, it'd better to use that.
- */
-static int ioda_eeh_get_state(struct eeh_pe *pe)
+static int ioda_eeh_get_phb_state(struct eeh_pe *pe)
{
- s64 ret = 0;
+ struct pnv_phb *phb = pe->phb->private_data;
u8 fstate;
__be16 pcierr;
- u32 pe_no;
- int result;
- struct pci_controller *hose = pe->phb;
- struct pnv_phb *phb = hose->private_data;
+ s64 rc;
+ int result = 0;
+
+ rc = opal_pci_eeh_freeze_status(phb->opal_id,
+ pe->addr,
+ &fstate,
+ &pcierr,
+ NULL);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld getting PHB#%x state\n",
+ __func__, rc, phb->hose->global_number);
+ return EEH_STATE_NOT_SUPPORT;
+ }
/*
- * Sanity check on PE address. The PHB PE address should
- * be zero.
+ * Check PHB state. If the PHB is frozen for the
+ * first time, to dump the PHB diag-data.
*/
- if (pe->addr < 0 || pe->addr >= phb->ioda.total_pe) {
- pr_err("%s: PE address %x out of range [0, %x] "
- "on PHB#%x\n",
- __func__, pe->addr, phb->ioda.total_pe,
- hose->global_number);
- return EEH_STATE_NOT_SUPPORT;
+ if (be16_to_cpu(pcierr) != OPAL_EEH_PHB_ERROR) {
+ result = (EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_DMA_ACTIVE |
+ EEH_STATE_MMIO_ENABLED |
+ EEH_STATE_DMA_ENABLED);
+ } else if (!(pe->state & EEH_PE_ISOLATED)) {
+ eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
+ ioda_eeh_phb_diag(pe);
}
+ return result;
+}
+
+static int ioda_eeh_get_pe_state(struct eeh_pe *pe)
+{
+ struct pnv_phb *phb = pe->phb->private_data;
+ u8 fstate;
+ __be16 pcierr;
+ s64 rc;
+ int result;
+
/*
- * If we're in middle of PE reset, return normal
- * state to keep EEH core going. For PHB reset, we
- * still expect to have fenced PHB cleared with
- * PHB reset.
+ * We don't clobber hardware frozen state until PE
+ * reset is completed. In order to keep EEH core
+ * moving forward, we have to return operational
+ * state during PE reset.
*/
- if (!(pe->type & EEH_PE_PHB) &&
- (pe->state & EEH_PE_RESET)) {
- result = (EEH_STATE_MMIO_ACTIVE |
- EEH_STATE_DMA_ACTIVE |
+ if (pe->state & EEH_PE_RESET) {
+ result = (EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_DMA_ACTIVE |
EEH_STATE_MMIO_ENABLED |
EEH_STATE_DMA_ENABLED);
return result;
}
- /* Retrieve PE status through OPAL */
- pe_no = pe->addr;
- ret = opal_pci_eeh_freeze_status(phb->opal_id, pe_no,
- &fstate, &pcierr, NULL);
- if (ret) {
- pr_err("%s: Failed to get EEH status on "
- "PHB#%x-PE#%x\n, err=%lld\n",
- __func__, hose->global_number, pe_no, ret);
- return EEH_STATE_NOT_SUPPORT;
- }
-
- /* Check PHB status */
- if (pe->type & EEH_PE_PHB) {
- result = 0;
- result &= ~EEH_STATE_RESET_ACTIVE;
-
- if (be16_to_cpu(pcierr) != OPAL_EEH_PHB_ERROR) {
- result |= EEH_STATE_MMIO_ACTIVE;
- result |= EEH_STATE_DMA_ACTIVE;
- result |= EEH_STATE_MMIO_ENABLED;
- result |= EEH_STATE_DMA_ENABLED;
- } else if (!(pe->state & EEH_PE_ISOLATED)) {
- eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
- ioda_eeh_phb_diag(hose);
+ /*
+ * Fetch PE state from hardware. If the PHB
+ * supports compound PE, let it handle that.
+ */
+ if (phb->get_pe_state) {
+ fstate = phb->get_pe_state(phb, pe->addr);
+ } else {
+ rc = opal_pci_eeh_freeze_status(phb->opal_id,
+ pe->addr,
+ &fstate,
+ &pcierr,
+ NULL);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld getting PHB#%x-PE%x state\n",
+ __func__, rc, phb->hose->global_number, pe->addr);
+ return EEH_STATE_NOT_SUPPORT;
}
-
- return result;
}
- /* Parse result out */
- result = 0;
+ /* Figure out state */
switch (fstate) {
case OPAL_EEH_STOPPED_NOT_FROZEN:
- result &= ~EEH_STATE_RESET_ACTIVE;
- result |= EEH_STATE_MMIO_ACTIVE;
- result |= EEH_STATE_DMA_ACTIVE;
- result |= EEH_STATE_MMIO_ENABLED;
- result |= EEH_STATE_DMA_ENABLED;
+ result = (EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_DMA_ACTIVE |
+ EEH_STATE_MMIO_ENABLED |
+ EEH_STATE_DMA_ENABLED);
break;
case OPAL_EEH_STOPPED_MMIO_FREEZE:
- result &= ~EEH_STATE_RESET_ACTIVE;
- result |= EEH_STATE_DMA_ACTIVE;
- result |= EEH_STATE_DMA_ENABLED;
+ result = (EEH_STATE_DMA_ACTIVE |
+ EEH_STATE_DMA_ENABLED);
break;
case OPAL_EEH_STOPPED_DMA_FREEZE:
- result &= ~EEH_STATE_RESET_ACTIVE;
- result |= EEH_STATE_MMIO_ACTIVE;
- result |= EEH_STATE_MMIO_ENABLED;
+ result = (EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_MMIO_ENABLED);
break;
case OPAL_EEH_STOPPED_MMIO_DMA_FREEZE:
- result &= ~EEH_STATE_RESET_ACTIVE;
+ result = 0;
break;
case OPAL_EEH_STOPPED_RESET:
- result |= EEH_STATE_RESET_ACTIVE;
+ result = EEH_STATE_RESET_ACTIVE;
break;
case OPAL_EEH_STOPPED_TEMP_UNAVAIL:
- result |= EEH_STATE_UNAVAILABLE;
+ result = EEH_STATE_UNAVAILABLE;
break;
case OPAL_EEH_STOPPED_PERM_UNAVAIL:
- result |= EEH_STATE_NOT_SUPPORT;
+ result = EEH_STATE_NOT_SUPPORT;
break;
default:
- pr_warning("%s: Unexpected EEH status 0x%x "
- "on PHB#%x-PE#%x\n",
- __func__, fstate, hose->global_number, pe_no);
+ result = EEH_STATE_NOT_SUPPORT;
+ pr_warn("%s: Invalid PHB#%x-PE#%x state %x\n",
+ __func__, phb->hose->global_number,
+ pe->addr, fstate);
}
- /* Dump PHB diag-data for frozen PE */
- if (result != EEH_STATE_NOT_SUPPORT &&
- (result & (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE)) !=
- (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE) &&
+ /*
+ * If PHB supports compound PE, to freeze all
+ * slave PEs for consistency.
+ *
+ * If the PE is switching to frozen state for the
+ * first time, to dump the PHB diag-data.
+ */
+ if (!(result & EEH_STATE_NOT_SUPPORT) &&
+ !(result & EEH_STATE_UNAVAILABLE) &&
+ !(result & EEH_STATE_MMIO_ACTIVE) &&
+ !(result & EEH_STATE_DMA_ACTIVE) &&
!(pe->state & EEH_PE_ISOLATED)) {
+ if (phb->freeze_pe)
+ phb->freeze_pe(phb, pe->addr);
+
eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
- ioda_eeh_phb_diag(hose);
+ ioda_eeh_phb_diag(pe);
}
return result;
}
+/**
+ * ioda_eeh_get_state - Retrieve the state of PE
+ * @pe: EEH PE
+ *
+ * The PE's state should be retrieved from the PEEV, PEST
+ * IODA tables. Since the OPAL has exported the function
+ * to do it, it'd better to use that.
+ */
+static int ioda_eeh_get_state(struct eeh_pe *pe)
+{
+ struct pnv_phb *phb = pe->phb->private_data;
+
+ /* Sanity check on PE number. PHB PE should have 0 */
+ if (pe->addr < 0 ||
+ pe->addr >= phb->ioda.total_pe) {
+ pr_warn("%s: PHB#%x-PE#%x out of range [0, %x]\n",
+ __func__, phb->hose->global_number,
+ pe->addr, phb->ioda.total_pe);
+ return EEH_STATE_NOT_SUPPORT;
+ }
+
+ if (pe->type & EEH_PE_PHB)
+ return ioda_eeh_get_phb_state(pe);
+
+ return ioda_eeh_get_pe_state(pe);
+}
+
static s64 ioda_eeh_phb_poll(struct pnv_phb *phb)
{
s64 rc = OPAL_HARDWARE;
@@ -589,6 +619,24 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option)
}
/**
+ * ioda_eeh_get_log - Retrieve error log
+ * @pe: frozen PE
+ * @severity: permanent or temporary error
+ * @drv_log: device driver log
+ * @len: length of device driver log
+ *
+ * Retrieve error log, which contains log from device driver
+ * and firmware.
+ */
+int ioda_eeh_get_log(struct eeh_pe *pe, int severity,
+ char *drv_log, unsigned long len)
+{
+ pnv_pci_dump_phb_diag_data(pe->phb, pe->data);
+
+ return 0;
+}
+
+/**
* ioda_eeh_configure_bridge - Configure the PCI bridges for the indicated PE
* @pe: EEH PE
*
@@ -605,18 +653,24 @@ static int ioda_eeh_configure_bridge(struct eeh_pe *pe)
static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data)
{
/* GEM */
- pr_info(" GEM XFIR: %016llx\n", data->gemXfir);
- pr_info(" GEM RFIR: %016llx\n", data->gemRfir);
- pr_info(" GEM RIRQFIR: %016llx\n", data->gemRirqfir);
- pr_info(" GEM Mask: %016llx\n", data->gemMask);
- pr_info(" GEM RWOF: %016llx\n", data->gemRwof);
+ if (data->gemXfir || data->gemRfir ||
+ data->gemRirqfir || data->gemMask || data->gemRwof)
+ pr_info(" GEM: %016llx %016llx %016llx %016llx %016llx\n",
+ be64_to_cpu(data->gemXfir),
+ be64_to_cpu(data->gemRfir),
+ be64_to_cpu(data->gemRirqfir),
+ be64_to_cpu(data->gemMask),
+ be64_to_cpu(data->gemRwof));
/* LEM */
- pr_info(" LEM FIR: %016llx\n", data->lemFir);
- pr_info(" LEM Error Mask: %016llx\n", data->lemErrMask);
- pr_info(" LEM Action 0: %016llx\n", data->lemAction0);
- pr_info(" LEM Action 1: %016llx\n", data->lemAction1);
- pr_info(" LEM WOF: %016llx\n", data->lemWof);
+ if (data->lemFir || data->lemErrMask ||
+ data->lemAction0 || data->lemAction1 || data->lemWof)
+ pr_info(" LEM: %016llx %016llx %016llx %016llx %016llx\n",
+ be64_to_cpu(data->lemFir),
+ be64_to_cpu(data->lemErrMask),
+ be64_to_cpu(data->lemAction0),
+ be64_to_cpu(data->lemAction1),
+ be64_to_cpu(data->lemWof));
}
static void ioda_eeh_hub_diag(struct pci_controller *hose)
@@ -627,8 +681,8 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose)
rc = opal_pci_get_hub_diag_data(phb->hub_id, data, sizeof(*data));
if (rc != OPAL_SUCCESS) {
- pr_warning("%s: Failed to get HUB#%llx diag-data (%ld)\n",
- __func__, phb->hub_id, rc);
+ pr_warn("%s: Failed to get HUB#%llx diag-data (%ld)\n",
+ __func__, phb->hub_id, rc);
return;
}
@@ -636,24 +690,31 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose)
case OPAL_P7IOC_DIAG_TYPE_RGC:
pr_info("P7IOC diag-data for RGC\n\n");
ioda_eeh_hub_diag_common(data);
- pr_info(" RGC Status: %016llx\n", data->rgc.rgcStatus);
- pr_info(" RGC LDCP: %016llx\n", data->rgc.rgcLdcp);
+ if (data->rgc.rgcStatus || data->rgc.rgcLdcp)
+ pr_info(" RGC: %016llx %016llx\n",
+ be64_to_cpu(data->rgc.rgcStatus),
+ be64_to_cpu(data->rgc.rgcLdcp));
break;
case OPAL_P7IOC_DIAG_TYPE_BI:
pr_info("P7IOC diag-data for BI %s\n\n",
data->bi.biDownbound ? "Downbound" : "Upbound");
ioda_eeh_hub_diag_common(data);
- pr_info(" BI LDCP 0: %016llx\n", data->bi.biLdcp0);
- pr_info(" BI LDCP 1: %016llx\n", data->bi.biLdcp1);
- pr_info(" BI LDCP 2: %016llx\n", data->bi.biLdcp2);
- pr_info(" BI Fence Status: %016llx\n", data->bi.biFenceStatus);
+ if (data->bi.biLdcp0 || data->bi.biLdcp1 ||
+ data->bi.biLdcp2 || data->bi.biFenceStatus)
+ pr_info(" BI: %016llx %016llx %016llx %016llx\n",
+ be64_to_cpu(data->bi.biLdcp0),
+ be64_to_cpu(data->bi.biLdcp1),
+ be64_to_cpu(data->bi.biLdcp2),
+ be64_to_cpu(data->bi.biFenceStatus));
break;
case OPAL_P7IOC_DIAG_TYPE_CI:
- pr_info("P7IOC diag-data for CI Port %d\\nn",
+ pr_info("P7IOC diag-data for CI Port %d\n\n",
data->ci.ciPort);
ioda_eeh_hub_diag_common(data);
- pr_info(" CI Port Status: %016llx\n", data->ci.ciPortStatus);
- pr_info(" CI Port LDCP: %016llx\n", data->ci.ciPortLdcp);
+ if (data->ci.ciPortStatus || data->ci.ciPortLdcp)
+ pr_info(" CI: %016llx %016llx\n",
+ be64_to_cpu(data->ci.ciPortStatus),
+ be64_to_cpu(data->ci.ciPortLdcp));
break;
case OPAL_P7IOC_DIAG_TYPE_MISC:
pr_info("P7IOC diag-data for MISC\n\n");
@@ -664,30 +725,51 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose)
ioda_eeh_hub_diag_common(data);
break;
default:
- pr_warning("%s: Invalid type of HUB#%llx diag-data (%d)\n",
- __func__, phb->hub_id, data->type);
+ pr_warn("%s: Invalid type of HUB#%llx diag-data (%d)\n",
+ __func__, phb->hub_id, data->type);
}
}
static int ioda_eeh_get_pe(struct pci_controller *hose,
u16 pe_no, struct eeh_pe **pe)
{
- struct eeh_pe *phb_pe, *dev_pe;
- struct eeh_dev dev;
+ struct pnv_phb *phb = hose->private_data;
+ struct pnv_ioda_pe *pnv_pe;
+ struct eeh_pe *dev_pe;
+ struct eeh_dev edev;
- /* Find the PHB PE */
- phb_pe = eeh_phb_pe_get(hose);
- if (!phb_pe)
- return -EEXIST;
+ /*
+ * If PHB supports compound PE, to fetch
+ * the master PE because slave PE is invisible
+ * to EEH core.
+ */
+ if (phb->get_pe_state) {
+ pnv_pe = &phb->ioda.pe_array[pe_no];
+ if (pnv_pe->flags & PNV_IODA_PE_SLAVE) {
+ pnv_pe = pnv_pe->master;
+ WARN_ON(!pnv_pe ||
+ !(pnv_pe->flags & PNV_IODA_PE_MASTER));
+ pe_no = pnv_pe->pe_number;
+ }
+ }
/* Find the PE according to PE# */
- memset(&dev, 0, sizeof(struct eeh_dev));
- dev.phb = hose;
- dev.pe_config_addr = pe_no;
- dev_pe = eeh_pe_get(&dev);
- if (!dev_pe) return -EEXIST;
+ memset(&edev, 0, sizeof(struct eeh_dev));
+ edev.phb = hose;
+ edev.pe_config_addr = pe_no;
+ dev_pe = eeh_pe_get(&edev);
+ if (!dev_pe)
+ return -EEXIST;
+ /*
+ * At this point, we're sure the compound PE should
+ * be put into frozen state.
+ */
*pe = dev_pe;
+ if (phb->freeze_pe &&
+ !(dev_pe->state & EEH_PE_ISOLATED))
+ phb->freeze_pe(phb, pe_no);
+
return 0;
}
@@ -792,7 +874,8 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
"detected, location: %s\n",
hose->global_number,
eeh_pe_loc_get(phb_pe));
- ioda_eeh_phb_diag(hose);
+ ioda_eeh_phb_diag(phb_pe);
+ pnv_pci_dump_phb_diag_data(hose, phb_pe->data);
ret = EEH_NEXT_ERR_NONE;
}
@@ -812,7 +895,8 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
opal_pci_eeh_freeze_clear(phb->opal_id, frozen_pe_no,
OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
ret = EEH_NEXT_ERR_NONE;
- } else if ((*pe)->state & EEH_PE_ISOLATED) {
+ } else if ((*pe)->state & EEH_PE_ISOLATED ||
+ eeh_pe_passed(*pe)) {
ret = EEH_NEXT_ERR_NONE;
} else {
pr_err("EEH: Frozen PE#%x on PHB#%x detected\n",
@@ -839,7 +923,7 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
ret == EEH_NEXT_ERR_FENCED_PHB) &&
!((*pe)->state & EEH_PE_ISOLATED)) {
eeh_pe_state_mark(*pe, EEH_PE_ISOLATED);
- ioda_eeh_phb_diag(hose);
+ ioda_eeh_phb_diag(*pe);
}
/*
@@ -885,6 +969,7 @@ struct pnv_eeh_ops ioda_eeh_ops = {
.set_option = ioda_eeh_set_option,
.get_state = ioda_eeh_get_state,
.reset = ioda_eeh_reset,
+ .get_log = ioda_eeh_get_log,
.configure_bridge = ioda_eeh_configure_bridge,
.next_error = ioda_eeh_next_error
};
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 56a206f32f77..fd7a16f855ed 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -45,14 +45,31 @@
*/
static int powernv_eeh_init(void)
{
+ struct pci_controller *hose;
+ struct pnv_phb *phb;
+
/* We require OPALv3 */
if (!firmware_has_feature(FW_FEATURE_OPALv3)) {
- pr_warning("%s: OPALv3 is required !\n", __func__);
+ pr_warn("%s: OPALv3 is required !\n",
+ __func__);
return -EINVAL;
}
- /* Set EEH probe mode */
- eeh_probe_mode_set(EEH_PROBE_MODE_DEV);
+ /* Set probe mode */
+ eeh_add_flag(EEH_PROBE_MODE_DEV);
+
+ /*
+ * P7IOC blocks PCI config access to frozen PE, but PHB3
+ * doesn't do that. So we have to selectively enable I/O
+ * prior to collecting error log.
+ */
+ list_for_each_entry(hose, &hose_list, list_node) {
+ phb = hose->private_data;
+
+ if (phb->model == PNV_PHB_MODEL_P7IOC)
+ eeh_add_flag(EEH_ENABLE_IO_FOR_LOG);
+ break;
+ }
return 0;
}
@@ -107,6 +124,7 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
struct pnv_phb *phb = hose->private_data;
struct device_node *dn = pci_device_to_OF_node(dev);
struct eeh_dev *edev = of_node_to_eeh_dev(dn);
+ int ret;
/*
* When probing the root bridge, which doesn't have any
@@ -143,13 +161,27 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
edev->pe_config_addr = phb->bdfn_to_pe(phb, dev->bus, dev->devfn & 0xff);
/* Create PE */
- eeh_add_to_parent_pe(edev);
+ ret = eeh_add_to_parent_pe(edev);
+ if (ret) {
+ pr_warn("%s: Can't add PCI dev %s to parent PE (%d)\n",
+ __func__, pci_name(dev), ret);
+ return ret;
+ }
+
+ /*
+ * Cache the PE primary bus, which can't be fetched when
+ * full hotplug is in progress. In that case, all child
+ * PCI devices of the PE are expected to be removed prior
+ * to PE reset.
+ */
+ if (!edev->pe->bus)
+ edev->pe->bus = dev->bus;
/*
* Enable EEH explicitly so that we will do EEH check
* while accessing I/O stuff
*/
- eeh_set_enable(true);
+ eeh_add_flag(EEH_ENABLED);
/* Save memory bars */
eeh_save_bars(edev);
@@ -273,8 +305,8 @@ static int powernv_eeh_wait_state(struct eeh_pe *pe, int max_wait)
max_wait -= mwait;
if (max_wait <= 0) {
- pr_warning("%s: Timeout getting PE#%x's state (%d)\n",
- __func__, pe->addr, max_wait);
+ pr_warn("%s: Timeout getting PE#%x's state (%d)\n",
+ __func__, pe->addr, max_wait);
return EEH_STATE_NOT_SUPPORT;
}
@@ -294,7 +326,7 @@ static int powernv_eeh_wait_state(struct eeh_pe *pe, int max_wait)
* Retrieve the temporary or permanent error from the PE.
*/
static int powernv_eeh_get_log(struct eeh_pe *pe, int severity,
- char *drv_log, unsigned long len)
+ char *drv_log, unsigned long len)
{
struct pci_controller *hose = pe->phb;
struct pnv_phb *phb = hose->private_data;
@@ -398,9 +430,7 @@ static int __init eeh_powernv_init(void)
{
int ret = -EINVAL;
- if (!machine_is(powernv))
- return ret;
-
+ eeh_set_pe_aux_size(PNV_PCI_DIAG_BUF_SIZE);
ret = eeh_ops_register(&powernv_eeh_ops);
if (!ret)
pr_info("EEH: PowerNV platform initialized\n");
@@ -409,5 +439,4 @@ static int __init eeh_powernv_init(void)
return ret;
}
-
-early_initcall(eeh_powernv_init);
+machine_early_initcall(powernv, eeh_powernv_init);
diff --git a/arch/powerpc/platforms/powernv/opal-async.c b/arch/powerpc/platforms/powernv/opal-async.c
index 32e2adfa5320..e462ab947d16 100644
--- a/arch/powerpc/platforms/powernv/opal-async.c
+++ b/arch/powerpc/platforms/powernv/opal-async.c
@@ -20,6 +20,7 @@
#include <linux/wait.h>
#include <linux/gfp.h>
#include <linux/of.h>
+#include <asm/machdep.h>
#include <asm/opal.h>
#define N_ASYNC_COMPLETIONS 64
@@ -201,4 +202,4 @@ out_opal_node:
out:
return err;
}
-subsys_initcall(opal_async_comp_init);
+machine_subsys_initcall(powernv, opal_async_comp_init);
diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c b/arch/powerpc/platforms/powernv/opal-hmi.c
new file mode 100644
index 000000000000..97ac8dc33667
--- /dev/null
+++ b/arch/powerpc/platforms/powernv/opal-hmi.c
@@ -0,0 +1,188 @@
+/*
+ * OPAL hypervisor Maintenance interrupt handling support in PowreNV.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright 2014 IBM Corporation
+ * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
+ */
+
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+
+#include <asm/opal.h>
+#include <asm/cputable.h>
+
+static int opal_hmi_handler_nb_init;
+struct OpalHmiEvtNode {
+ struct list_head list;
+ struct OpalHMIEvent hmi_evt;
+};
+static LIST_HEAD(opal_hmi_evt_list);
+static DEFINE_SPINLOCK(opal_hmi_evt_lock);
+
+static void print_hmi_event_info(struct OpalHMIEvent *hmi_evt)
+{
+ const char *level, *sevstr, *error_info;
+ static const char *hmi_error_types[] = {
+ "Malfunction Alert",
+ "Processor Recovery done",
+ "Processor recovery occurred again",
+ "Processor recovery occurred for masked error",
+ "Timer facility experienced an error",
+ "TFMR SPR is corrupted",
+ "UPS (Uniterrupted Power System) Overflow indication",
+ "An XSCOM operation failure",
+ "An XSCOM operation completed",
+ "SCOM has set a reserved FIR bit to cause recovery",
+ "Debug trigger has set a reserved FIR bit to cause recovery",
+ "A hypervisor resource error occurred"
+ };
+
+ /* Print things out */
+ if (hmi_evt->version != OpalHMIEvt_V1) {
+ pr_err("HMI Interrupt, Unknown event version %d !\n",
+ hmi_evt->version);
+ return;
+ }
+ switch (hmi_evt->severity) {
+ case OpalHMI_SEV_NO_ERROR:
+ level = KERN_INFO;
+ sevstr = "Harmless";
+ break;
+ case OpalHMI_SEV_WARNING:
+ level = KERN_WARNING;
+ sevstr = "";
+ break;
+ case OpalHMI_SEV_ERROR_SYNC:
+ level = KERN_ERR;
+ sevstr = "Severe";
+ break;
+ case OpalHMI_SEV_FATAL:
+ default:
+ level = KERN_ERR;
+ sevstr = "Fatal";
+ break;
+ }
+
+ printk("%s%s Hypervisor Maintenance interrupt [%s]\n",
+ level, sevstr,
+ hmi_evt->disposition == OpalHMI_DISPOSITION_RECOVERED ?
+ "Recovered" : "Not recovered");
+ error_info = hmi_evt->type < ARRAY_SIZE(hmi_error_types) ?
+ hmi_error_types[hmi_evt->type]
+ : "Unknown";
+ printk("%s Error detail: %s\n", level, error_info);
+ printk("%s HMER: %016llx\n", level, be64_to_cpu(hmi_evt->hmer));
+ if ((hmi_evt->type == OpalHMI_ERROR_TFAC) ||
+ (hmi_evt->type == OpalHMI_ERROR_TFMR_PARITY))
+ printk("%s TFMR: %016llx\n", level,
+ be64_to_cpu(hmi_evt->tfmr));
+}
+
+static void hmi_event_handler(struct work_struct *work)
+{
+ unsigned long flags;
+ struct OpalHMIEvent *hmi_evt;
+ struct OpalHmiEvtNode *msg_node;
+ uint8_t disposition;
+
+ spin_lock_irqsave(&opal_hmi_evt_lock, flags);
+ while (!list_empty(&opal_hmi_evt_list)) {
+ msg_node = list_entry(opal_hmi_evt_list.next,
+ struct OpalHmiEvtNode, list);
+ list_del(&msg_node->list);
+ spin_unlock_irqrestore(&opal_hmi_evt_lock, flags);
+
+ hmi_evt = (struct OpalHMIEvent *) &msg_node->hmi_evt;
+ print_hmi_event_info(hmi_evt);
+ disposition = hmi_evt->disposition;
+ kfree(msg_node);
+
+ /*
+ * Check if HMI event has been recovered or not. If not
+ * then we can't continue, invoke panic.
+ */
+ if (disposition != OpalHMI_DISPOSITION_RECOVERED)
+ panic("Unrecoverable HMI exception");
+
+ spin_lock_irqsave(&opal_hmi_evt_lock, flags);
+ }
+ spin_unlock_irqrestore(&opal_hmi_evt_lock, flags);
+}
+
+static DECLARE_WORK(hmi_event_work, hmi_event_handler);
+/*
+ * opal_handle_hmi_event - notifier handler that queues up HMI events
+ * to be preocessed later.
+ */
+static int opal_handle_hmi_event(struct notifier_block *nb,
+ unsigned long msg_type, void *msg)
+{
+ unsigned long flags;
+ struct OpalHMIEvent *hmi_evt;
+ struct opal_msg *hmi_msg = msg;
+ struct OpalHmiEvtNode *msg_node;
+
+ /* Sanity Checks */
+ if (msg_type != OPAL_MSG_HMI_EVT)
+ return 0;
+
+ /* HMI event info starts from param[0] */
+ hmi_evt = (struct OpalHMIEvent *)&hmi_msg->params[0];
+
+ /* Delay the logging of HMI events to workqueue. */
+ msg_node = kzalloc(sizeof(*msg_node), GFP_ATOMIC);
+ if (!msg_node) {
+ pr_err("HMI: out of memory, Opal message event not handled\n");
+ return -ENOMEM;
+ }
+ memcpy(&msg_node->hmi_evt, hmi_evt, sizeof(struct OpalHMIEvent));
+
+ spin_lock_irqsave(&opal_hmi_evt_lock, flags);
+ list_add(&msg_node->list, &opal_hmi_evt_list);
+ spin_unlock_irqrestore(&opal_hmi_evt_lock, flags);
+
+ schedule_work(&hmi_event_work);
+ return 0;
+}
+
+static struct notifier_block opal_hmi_handler_nb = {
+ .notifier_call = opal_handle_hmi_event,
+ .next = NULL,
+ .priority = 0,
+};
+
+static int __init opal_hmi_handler_init(void)
+{
+ int ret;
+
+ if (!opal_hmi_handler_nb_init) {
+ ret = opal_message_notifier_register(
+ OPAL_MSG_HMI_EVT, &opal_hmi_handler_nb);
+ if (ret) {
+ pr_err("%s: Can't register OPAL event notifier (%d)\n",
+ __func__, ret);
+ return ret;
+ }
+ opal_hmi_handler_nb_init = 1;
+ }
+ return 0;
+}
+subsys_initcall(opal_hmi_handler_init);
diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c
index f04b4d8aca5a..ad4b31df779a 100644
--- a/arch/powerpc/platforms/powernv/opal-lpc.c
+++ b/arch/powerpc/platforms/powernv/opal-lpc.c
@@ -324,7 +324,7 @@ static int opal_lpc_init_debugfs(void)
rc |= opal_lpc_debugfs_create_type(root, "fw", OPAL_LPC_FW);
return rc;
}
-device_initcall(opal_lpc_init_debugfs);
+machine_device_initcall(powernv, opal_lpc_init_debugfs);
#endif /* CONFIG_DEBUG_FS */
void opal_lpc_init(void)
diff --git a/arch/powerpc/platforms/powernv/opal-memory-errors.c b/arch/powerpc/platforms/powernv/opal-memory-errors.c
index b17a34b695ef..43db2136dbff 100644
--- a/arch/powerpc/platforms/powernv/opal-memory-errors.c
+++ b/arch/powerpc/platforms/powernv/opal-memory-errors.c
@@ -27,6 +27,7 @@
#include <linux/mm.h>
#include <linux/slab.h>
+#include <asm/machdep.h>
#include <asm/opal.h>
#include <asm/cputable.h>
@@ -143,4 +144,4 @@ static int __init opal_mem_err_init(void)
}
return 0;
}
-subsys_initcall(opal_mem_err_init);
+machine_subsys_initcall(powernv, opal_mem_err_init);
diff --git a/arch/powerpc/platforms/powernv/opal-tracepoints.c b/arch/powerpc/platforms/powernv/opal-tracepoints.c
new file mode 100644
index 000000000000..d8a000a9988b
--- /dev/null
+++ b/arch/powerpc/platforms/powernv/opal-tracepoints.c
@@ -0,0 +1,84 @@
+#include <linux/percpu.h>
+#include <linux/jump_label.h>
+#include <asm/trace.h>
+
+#ifdef CONFIG_JUMP_LABEL
+struct static_key opal_tracepoint_key = STATIC_KEY_INIT;
+
+void opal_tracepoint_regfunc(void)
+{
+ static_key_slow_inc(&opal_tracepoint_key);
+}
+
+void opal_tracepoint_unregfunc(void)
+{
+ static_key_slow_dec(&opal_tracepoint_key);
+}
+#else
+/*
+ * We optimise OPAL calls by placing opal_tracepoint_refcount
+ * directly in the TOC so we can check if the opal tracepoints are
+ * enabled via a single load.
+ */
+
+/* NB: reg/unreg are called while guarded with the tracepoints_mutex */
+extern long opal_tracepoint_refcount;
+
+void opal_tracepoint_regfunc(void)
+{
+ opal_tracepoint_refcount++;
+}
+
+void opal_tracepoint_unregfunc(void)
+{
+ opal_tracepoint_refcount--;
+}
+#endif
+
+/*
+ * Since the tracing code might execute OPAL calls we need to guard against
+ * recursion.
+ */
+static DEFINE_PER_CPU(unsigned int, opal_trace_depth);
+
+void __trace_opal_entry(unsigned long opcode, unsigned long *args)
+{
+ unsigned long flags;
+ unsigned int *depth;
+
+ local_irq_save(flags);
+
+ depth = &__get_cpu_var(opal_trace_depth);
+
+ if (*depth)
+ goto out;
+
+ (*depth)++;
+ preempt_disable();
+ trace_opal_entry(opcode, args);
+ (*depth)--;
+
+out:
+ local_irq_restore(flags);
+}
+
+void __trace_opal_exit(long opcode, unsigned long retval)
+{
+ unsigned long flags;
+ unsigned int *depth;
+
+ local_irq_save(flags);
+
+ depth = &__get_cpu_var(opal_trace_depth);
+
+ if (*depth)
+ goto out;
+
+ (*depth)++;
+ trace_opal_exit(opcode, retval);
+ preempt_enable();
+ (*depth)--;
+
+out:
+ local_irq_restore(flags);
+}
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 4abbff22a61f..a328be44880f 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -13,30 +13,69 @@
#include <asm/hvcall.h>
#include <asm/asm-offsets.h>
#include <asm/opal.h>
+#include <asm/jump_label.h>
+
+ .section ".text"
+
+#ifdef CONFIG_TRACEPOINTS
+#ifdef CONFIG_JUMP_LABEL
+#define OPAL_BRANCH(LABEL) \
+ ARCH_STATIC_BRANCH(LABEL, opal_tracepoint_key)
+#else
+
+ .section ".toc","aw"
+
+ .globl opal_tracepoint_refcount
+opal_tracepoint_refcount:
+ .llong 0
+
+ .section ".text"
+
+/*
+ * We branch around this in early init by using an unconditional cpu
+ * feature.
+ */
+#define OPAL_BRANCH(LABEL) \
+BEGIN_FTR_SECTION; \
+ b 1f; \
+END_FTR_SECTION(0, 1); \
+ ld r12,opal_tracepoint_refcount@toc(r2); \
+ std r12,32(r1); \
+ cmpdi r12,0; \
+ bne- LABEL; \
+1:
+
+#endif
+
+#else
+#define OPAL_BRANCH(LABEL)
+#endif
/* TODO:
*
* - Trace irqs in/off (needs saving/restoring all args, argh...)
* - Get r11 feed up by Dave so I can have better register usage
*/
+
#define OPAL_CALL(name, token) \
_GLOBAL(name); \
mflr r0; \
- mfcr r12; \
std r0,16(r1); \
+ li r0,token; \
+ OPAL_BRANCH(opal_tracepoint_entry) \
+ mfcr r12; \
stw r12,8(r1); \
std r1,PACAR1(r13); \
- li r0,0; \
+ li r11,0; \
mfmsr r12; \
- ori r0,r0,MSR_EE; \
+ ori r11,r11,MSR_EE; \
std r12,PACASAVEDMSR(r13); \
- andc r12,r12,r0; \
+ andc r12,r12,r11; \
mtmsrd r12,1; \
- LOAD_REG_ADDR(r0,opal_return); \
- mtlr r0; \
- li r0,MSR_DR|MSR_IR|MSR_LE;\
- andc r12,r12,r0; \
- li r0,token; \
+ LOAD_REG_ADDR(r11,opal_return); \
+ mtlr r11; \
+ li r11,MSR_DR|MSR_IR|MSR_LE;\
+ andc r12,r12,r11; \
mtspr SPRN_HSRR1,r12; \
LOAD_REG_ADDR(r11,opal); \
ld r12,8(r11); \
@@ -61,6 +100,64 @@ opal_return:
mtcr r4;
rfid
+#ifdef CONFIG_TRACEPOINTS
+opal_tracepoint_entry:
+ stdu r1,-STACKFRAMESIZE(r1)
+ std r0,STK_REG(R23)(r1)
+ std r3,STK_REG(R24)(r1)
+ std r4,STK_REG(R25)(r1)
+ std r5,STK_REG(R26)(r1)
+ std r6,STK_REG(R27)(r1)
+ std r7,STK_REG(R28)(r1)
+ std r8,STK_REG(R29)(r1)
+ std r9,STK_REG(R30)(r1)
+ std r10,STK_REG(R31)(r1)
+ mr r3,r0
+ addi r4,r1,STK_REG(R24)
+ bl __trace_opal_entry
+ ld r0,STK_REG(R23)(r1)
+ ld r3,STK_REG(R24)(r1)
+ ld r4,STK_REG(R25)(r1)
+ ld r5,STK_REG(R26)(r1)
+ ld r6,STK_REG(R27)(r1)
+ ld r7,STK_REG(R28)(r1)
+ ld r8,STK_REG(R29)(r1)
+ ld r9,STK_REG(R30)(r1)
+ ld r10,STK_REG(R31)(r1)
+ LOAD_REG_ADDR(r11,opal_tracepoint_return)
+ mfcr r12
+ std r11,16(r1)
+ stw r12,8(r1)
+ std r1,PACAR1(r13)
+ li r11,0
+ mfmsr r12
+ ori r11,r11,MSR_EE
+ std r12,PACASAVEDMSR(r13)
+ andc r12,r12,r11
+ mtmsrd r12,1
+ LOAD_REG_ADDR(r11,opal_return)
+ mtlr r11
+ li r11,MSR_DR|MSR_IR|MSR_LE
+ andc r12,r12,r11
+ mtspr SPRN_HSRR1,r12
+ LOAD_REG_ADDR(r11,opal)
+ ld r12,8(r11)
+ ld r2,0(r11)
+ mtspr SPRN_HSRR0,r12
+ hrfid
+
+opal_tracepoint_return:
+ std r3,STK_REG(R31)(r1)
+ mr r4,r3
+ ld r0,STK_REG(R23)(r1)
+ bl __trace_opal_exit
+ ld r3,STK_REG(R31)(r1)
+ addi r1,r1,STACKFRAMESIZE
+ ld r0,16(r1)
+ mtlr r0
+ blr
+#endif
+
OPAL_CALL(opal_invalid_call, OPAL_INVALID_CALL);
OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
@@ -86,6 +183,7 @@ OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
+OPAL_CALL(opal_pci_eeh_freeze_set, OPAL_PCI_EEH_FREEZE_SET);
OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
@@ -146,3 +244,4 @@ OPAL_CALL(opal_sync_host_reboot, OPAL_SYNC_HOST_REBOOT);
OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ);
OPAL_CALL(opal_get_param, OPAL_GET_PARAM);
OPAL_CALL(opal_set_param, OPAL_SET_PARAM);
+OPAL_CALL(opal_handle_hmi, OPAL_HANDLE_HMI);
diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c
index 4cd2ea6c0dbe..7634d1c62299 100644
--- a/arch/powerpc/platforms/powernv/opal-xscom.c
+++ b/arch/powerpc/platforms/powernv/opal-xscom.c
@@ -130,4 +130,4 @@ static int opal_xscom_init(void)
scom_init(&opal_scom_controller);
return 0;
}
-arch_initcall(opal_xscom_init);
+machine_arch_initcall(powernv, opal_xscom_init);
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 199975613fe9..f0a01a46a57d 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -22,6 +22,8 @@
#include <linux/kobject.h>
#include <linux/delay.h>
#include <linux/memblock.h>
+
+#include <asm/machdep.h>
#include <asm/opal.h>
#include <asm/firmware.h>
#include <asm/mce.h>
@@ -192,16 +194,12 @@ static int __init opal_register_exception_handlers(void)
* fwnmi area at 0x7000 to provide the glue space to OPAL
*/
glue = 0x7000;
- opal_register_exception_handler(OPAL_HYPERVISOR_MAINTENANCE_HANDLER,
- 0, glue);
- glue += 128;
opal_register_exception_handler(OPAL_SOFTPATCH_HANDLER, 0, glue);
#endif
return 0;
}
-
-early_initcall(opal_register_exception_handlers);
+machine_early_initcall(powernv, opal_register_exception_handlers);
int opal_notifier_register(struct notifier_block *nb)
{
@@ -368,7 +366,7 @@ static int __init opal_message_init(void)
}
return 0;
}
-early_initcall(opal_message_init);
+machine_early_initcall(powernv, opal_message_init);
int opal_get_chars(uint32_t vtermno, char *buf, int count)
{
@@ -513,6 +511,46 @@ int opal_machine_check(struct pt_regs *regs)
return 0;
}
+/* Early hmi handler called in real mode. */
+int opal_hmi_exception_early(struct pt_regs *regs)
+{
+ s64 rc;
+
+ /*
+ * call opal hmi handler. Pass paca address as token.
+ * The return value OPAL_SUCCESS is an indication that there is
+ * an HMI event generated waiting to pull by Linux.
+ */
+ rc = opal_handle_hmi();
+ if (rc == OPAL_SUCCESS) {
+ local_paca->hmi_event_available = 1;
+ return 1;
+ }
+ return 0;
+}
+
+/* HMI exception handler called in virtual mode during check_irq_replay. */
+int opal_handle_hmi_exception(struct pt_regs *regs)
+{
+ s64 rc;
+ __be64 evt = 0;
+
+ /*
+ * Check if HMI event is available.
+ * if Yes, then call opal_poll_events to pull opal messages and
+ * process them.
+ */
+ if (!local_paca->hmi_event_available)
+ return 0;
+
+ local_paca->hmi_event_available = 0;
+ rc = opal_poll_events(&evt);
+ if (rc == OPAL_SUCCESS && evt)
+ opal_do_notifier(be64_to_cpu(evt));
+
+ return 1;
+}
+
static uint64_t find_recovery_address(uint64_t nip)
{
int i;
@@ -630,7 +668,7 @@ static int __init opal_init(void)
return 0;
}
-subsys_initcall(opal_init);
+machine_subsys_initcall(powernv, opal_init);
void opal_shutdown(void)
{
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index de19edeaa7a7..b136108ddc99 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -36,6 +36,7 @@
#include <asm/tce.h>
#include <asm/xics.h>
#include <asm/debug.h>
+#include <asm/firmware.h>
#include "powernv.h"
#include "pci.h"
@@ -82,6 +83,12 @@ static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr)
: : "r" (val), "r" (paddr) : "memory");
}
+static inline bool pnv_pci_is_mem_pref_64(unsigned long flags)
+{
+ return ((flags & (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH)) ==
+ (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH));
+}
+
static int pnv_ioda_alloc_pe(struct pnv_phb *phb)
{
unsigned long pe;
@@ -106,6 +113,380 @@ static void pnv_ioda_free_pe(struct pnv_phb *phb, int pe)
clear_bit(pe, phb->ioda.pe_alloc);
}
+/* The default M64 BAR is shared by all PEs */
+static int pnv_ioda2_init_m64(struct pnv_phb *phb)
+{
+ const char *desc;
+ struct resource *r;
+ s64 rc;
+
+ /* Configure the default M64 BAR */
+ rc = opal_pci_set_phb_mem_window(phb->opal_id,
+ OPAL_M64_WINDOW_TYPE,
+ phb->ioda.m64_bar_idx,
+ phb->ioda.m64_base,
+ 0, /* unused */
+ phb->ioda.m64_size);
+ if (rc != OPAL_SUCCESS) {
+ desc = "configuring";
+ goto fail;
+ }
+
+ /* Enable the default M64 BAR */
+ rc = opal_pci_phb_mmio_enable(phb->opal_id,
+ OPAL_M64_WINDOW_TYPE,
+ phb->ioda.m64_bar_idx,
+ OPAL_ENABLE_M64_SPLIT);
+ if (rc != OPAL_SUCCESS) {
+ desc = "enabling";
+ goto fail;
+ }
+
+ /* Mark the M64 BAR assigned */
+ set_bit(phb->ioda.m64_bar_idx, &phb->ioda.m64_bar_alloc);
+
+ /*
+ * Strip off the segment used by the reserved PE, which is
+ * expected to be 0 or last one of PE capabicity.
+ */
+ r = &phb->hose->mem_resources[1];
+ if (phb->ioda.reserved_pe == 0)
+ r->start += phb->ioda.m64_segsize;
+ else if (phb->ioda.reserved_pe == (phb->ioda.total_pe - 1))
+ r->end -= phb->ioda.m64_segsize;
+ else
+ pr_warn(" Cannot strip M64 segment for reserved PE#%d\n",
+ phb->ioda.reserved_pe);
+
+ return 0;
+
+fail:
+ pr_warn(" Failure %lld %s M64 BAR#%d\n",
+ rc, desc, phb->ioda.m64_bar_idx);
+ opal_pci_phb_mmio_enable(phb->opal_id,
+ OPAL_M64_WINDOW_TYPE,
+ phb->ioda.m64_bar_idx,
+ OPAL_DISABLE_M64);
+ return -EIO;
+}
+
+static void pnv_ioda2_alloc_m64_pe(struct pnv_phb *phb)
+{
+ resource_size_t sgsz = phb->ioda.m64_segsize;
+ struct pci_dev *pdev;
+ struct resource *r;
+ int base, step, i;
+
+ /*
+ * Root bus always has full M64 range and root port has
+ * M64 range used in reality. So we're checking root port
+ * instead of root bus.
+ */
+ list_for_each_entry(pdev, &phb->hose->bus->devices, bus_list) {
+ for (i = PCI_BRIDGE_RESOURCES;
+ i <= PCI_BRIDGE_RESOURCE_END; i++) {
+ r = &pdev->resource[i];
+ if (!r->parent ||
+ !pnv_pci_is_mem_pref_64(r->flags))
+ continue;
+
+ base = (r->start - phb->ioda.m64_base) / sgsz;
+ for (step = 0; step < resource_size(r) / sgsz; step++)
+ set_bit(base + step, phb->ioda.pe_alloc);
+ }
+ }
+}
+
+static int pnv_ioda2_pick_m64_pe(struct pnv_phb *phb,
+ struct pci_bus *bus, int all)
+{
+ resource_size_t segsz = phb->ioda.m64_segsize;
+ struct pci_dev *pdev;
+ struct resource *r;
+ struct pnv_ioda_pe *master_pe, *pe;
+ unsigned long size, *pe_alloc;
+ bool found;
+ int start, i, j;
+
+ /* Root bus shouldn't use M64 */
+ if (pci_is_root_bus(bus))
+ return IODA_INVALID_PE;
+
+ /* We support only one M64 window on each bus */
+ found = false;
+ pci_bus_for_each_resource(bus, r, i) {
+ if (r && r->parent &&
+ pnv_pci_is_mem_pref_64(r->flags)) {
+ found = true;
+ break;
+ }
+ }
+
+ /* No M64 window found ? */
+ if (!found)
+ return IODA_INVALID_PE;
+
+ /* Allocate bitmap */
+ size = _ALIGN_UP(phb->ioda.total_pe / 8, sizeof(unsigned long));
+ pe_alloc = kzalloc(size, GFP_KERNEL);
+ if (!pe_alloc) {
+ pr_warn("%s: Out of memory !\n",
+ __func__);
+ return IODA_INVALID_PE;
+ }
+
+ /*
+ * Figure out reserved PE numbers by the PE
+ * the its child PEs.
+ */
+ start = (r->start - phb->ioda.m64_base) / segsz;
+ for (i = 0; i < resource_size(r) / segsz; i++)
+ set_bit(start + i, pe_alloc);
+
+ if (all)
+ goto done;
+
+ /*
+ * If the PE doesn't cover all subordinate buses,
+ * we need subtract from reserved PEs for children.
+ */
+ list_for_each_entry(pdev, &bus->devices, bus_list) {
+ if (!pdev->subordinate)
+ continue;
+
+ pci_bus_for_each_resource(pdev->subordinate, r, i) {
+ if (!r || !r->parent ||
+ !pnv_pci_is_mem_pref_64(r->flags))
+ continue;
+
+ start = (r->start - phb->ioda.m64_base) / segsz;
+ for (j = 0; j < resource_size(r) / segsz ; j++)
+ clear_bit(start + j, pe_alloc);
+ }
+ }
+
+ /*
+ * the current bus might not own M64 window and that's all
+ * contributed by its child buses. For the case, we needn't
+ * pick M64 dependent PE#.
+ */
+ if (bitmap_empty(pe_alloc, phb->ioda.total_pe)) {
+ kfree(pe_alloc);
+ return IODA_INVALID_PE;
+ }
+
+ /*
+ * Figure out the master PE and put all slave PEs to master
+ * PE's list to form compound PE.
+ */
+done:
+ master_pe = NULL;
+ i = -1;
+ while ((i = find_next_bit(pe_alloc, phb->ioda.total_pe, i + 1)) <
+ phb->ioda.total_pe) {
+ pe = &phb->ioda.pe_array[i];
+ pe->phb = phb;
+ pe->pe_number = i;
+
+ if (!master_pe) {
+ pe->flags |= PNV_IODA_PE_MASTER;
+ INIT_LIST_HEAD(&pe->slaves);
+ master_pe = pe;
+ } else {
+ pe->flags |= PNV_IODA_PE_SLAVE;
+ pe->master = master_pe;
+ list_add_tail(&pe->list, &master_pe->slaves);
+ }
+ }
+
+ kfree(pe_alloc);
+ return master_pe->pe_number;
+}
+
+static void __init pnv_ioda_parse_m64_window(struct pnv_phb *phb)
+{
+ struct pci_controller *hose = phb->hose;
+ struct device_node *dn = hose->dn;
+ struct resource *res;
+ const u32 *r;
+ u64 pci_addr;
+
+ if (!firmware_has_feature(FW_FEATURE_OPALv3)) {
+ pr_info(" Firmware too old to support M64 window\n");
+ return;
+ }
+
+ r = of_get_property(dn, "ibm,opal-m64-window", NULL);
+ if (!r) {
+ pr_info(" No <ibm,opal-m64-window> on %s\n",
+ dn->full_name);
+ return;
+ }
+
+ /* FIXME: Support M64 for P7IOC */
+ if (phb->type != PNV_PHB_IODA2) {
+ pr_info(" Not support M64 window\n");
+ return;
+ }
+
+ res = &hose->mem_resources[1];
+ res->start = of_translate_address(dn, r + 2);
+ res->end = res->start + of_read_number(r + 4, 2) - 1;
+ res->flags = (IORESOURCE_MEM | IORESOURCE_MEM_64 | IORESOURCE_PREFETCH);
+ pci_addr = of_read_number(r, 2);
+ hose->mem_offset[1] = res->start - pci_addr;
+
+ phb->ioda.m64_size = resource_size(res);
+ phb->ioda.m64_segsize = phb->ioda.m64_size / phb->ioda.total_pe;
+ phb->ioda.m64_base = pci_addr;
+
+ /* Use last M64 BAR to cover M64 window */
+ phb->ioda.m64_bar_idx = 15;
+ phb->init_m64 = pnv_ioda2_init_m64;
+ phb->alloc_m64_pe = pnv_ioda2_alloc_m64_pe;
+ phb->pick_m64_pe = pnv_ioda2_pick_m64_pe;
+}
+
+static void pnv_ioda_freeze_pe(struct pnv_phb *phb, int pe_no)
+{
+ struct pnv_ioda_pe *pe = &phb->ioda.pe_array[pe_no];
+ struct pnv_ioda_pe *slave;
+ s64 rc;
+
+ /* Fetch master PE */
+ if (pe->flags & PNV_IODA_PE_SLAVE) {
+ pe = pe->master;
+ WARN_ON(!pe || !(pe->flags & PNV_IODA_PE_MASTER));
+ pe_no = pe->pe_number;
+ }
+
+ /* Freeze master PE */
+ rc = opal_pci_eeh_freeze_set(phb->opal_id,
+ pe_no,
+ OPAL_EEH_ACTION_SET_FREEZE_ALL);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld freezing PHB#%x-PE#%x\n",
+ __func__, rc, phb->hose->global_number, pe_no);
+ return;
+ }
+
+ /* Freeze slave PEs */
+ if (!(pe->flags & PNV_IODA_PE_MASTER))
+ return;
+
+ list_for_each_entry(slave, &pe->slaves, list) {
+ rc = opal_pci_eeh_freeze_set(phb->opal_id,
+ slave->pe_number,
+ OPAL_EEH_ACTION_SET_FREEZE_ALL);
+ if (rc != OPAL_SUCCESS)
+ pr_warn("%s: Failure %lld freezing PHB#%x-PE#%x\n",
+ __func__, rc, phb->hose->global_number,
+ slave->pe_number);
+ }
+}
+
+int pnv_ioda_unfreeze_pe(struct pnv_phb *phb, int pe_no, int opt)
+{
+ struct pnv_ioda_pe *pe, *slave;
+ s64 rc;
+
+ /* Find master PE */
+ pe = &phb->ioda.pe_array[pe_no];
+ if (pe->flags & PNV_IODA_PE_SLAVE) {
+ pe = pe->master;
+ WARN_ON(!pe || !(pe->flags & PNV_IODA_PE_MASTER));
+ pe_no = pe->pe_number;
+ }
+
+ /* Clear frozen state for master PE */
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no, opt);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld clear %d on PHB#%x-PE#%x\n",
+ __func__, rc, opt, phb->hose->global_number, pe_no);
+ return -EIO;
+ }
+
+ if (!(pe->flags & PNV_IODA_PE_MASTER))
+ return 0;
+
+ /* Clear frozen state for slave PEs */
+ list_for_each_entry(slave, &pe->slaves, list) {
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id,
+ slave->pe_number,
+ opt);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld clear %d on PHB#%x-PE#%x\n",
+ __func__, rc, opt, phb->hose->global_number,
+ slave->pe_number);
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
+
+static int pnv_ioda_get_pe_state(struct pnv_phb *phb, int pe_no)
+{
+ struct pnv_ioda_pe *slave, *pe;
+ u8 fstate, state;
+ __be16 pcierr;
+ s64 rc;
+
+ /* Sanity check on PE number */
+ if (pe_no < 0 || pe_no >= phb->ioda.total_pe)
+ return OPAL_EEH_STOPPED_PERM_UNAVAIL;
+
+ /*
+ * Fetch the master PE and the PE instance might be
+ * not initialized yet.
+ */
+ pe = &phb->ioda.pe_array[pe_no];
+ if (pe->flags & PNV_IODA_PE_SLAVE) {
+ pe = pe->master;
+ WARN_ON(!pe || !(pe->flags & PNV_IODA_PE_MASTER));
+ pe_no = pe->pe_number;
+ }
+
+ /* Check the master PE */
+ rc = opal_pci_eeh_freeze_status(phb->opal_id, pe_no,
+ &state, &pcierr, NULL);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld getting "
+ "PHB#%x-PE#%x state\n",
+ __func__, rc,
+ phb->hose->global_number, pe_no);
+ return OPAL_EEH_STOPPED_TEMP_UNAVAIL;
+ }
+
+ /* Check the slave PE */
+ if (!(pe->flags & PNV_IODA_PE_MASTER))
+ return state;
+
+ list_for_each_entry(slave, &pe->slaves, list) {
+ rc = opal_pci_eeh_freeze_status(phb->opal_id,
+ slave->pe_number,
+ &fstate,
+ &pcierr,
+ NULL);
+ if (rc != OPAL_SUCCESS) {
+ pr_warn("%s: Failure %lld getting "
+ "PHB#%x-PE#%x state\n",
+ __func__, rc,
+ phb->hose->global_number, slave->pe_number);
+ return OPAL_EEH_STOPPED_TEMP_UNAVAIL;
+ }
+
+ /*
+ * Override the result based on the ascending
+ * priority.
+ */
+ if (fstate > state)
+ state = fstate;
+ }
+
+ return state;
+}
+
/* Currently those 2 are only used when MSIs are enabled, this will change
* but in the meantime, we need to protect them to avoid warnings
*/
@@ -363,9 +744,16 @@ static void pnv_ioda_setup_bus_PE(struct pci_bus *bus, int all)
struct pci_controller *hose = pci_bus_to_host(bus);
struct pnv_phb *phb = hose->private_data;
struct pnv_ioda_pe *pe;
- int pe_num;
+ int pe_num = IODA_INVALID_PE;
+
+ /* Check if PE is determined by M64 */
+ if (phb->pick_m64_pe)
+ pe_num = phb->pick_m64_pe(phb, bus, all);
+
+ /* The PE number isn't pinned by M64 */
+ if (pe_num == IODA_INVALID_PE)
+ pe_num = pnv_ioda_alloc_pe(phb);
- pe_num = pnv_ioda_alloc_pe(phb);
if (pe_num == IODA_INVALID_PE) {
pr_warning("%s: Not enough PE# available for PCI bus %04x:%02x\n",
__func__, pci_domain_nr(bus), bus->number);
@@ -373,7 +761,7 @@ static void pnv_ioda_setup_bus_PE(struct pci_bus *bus, int all)
}
pe = &phb->ioda.pe_array[pe_num];
- pe->flags = (all ? PNV_IODA_PE_BUS_ALL : PNV_IODA_PE_BUS);
+ pe->flags |= (all ? PNV_IODA_PE_BUS_ALL : PNV_IODA_PE_BUS);
pe->pbus = bus;
pe->pdev = NULL;
pe->tce32_seg = -1;
@@ -441,8 +829,15 @@ static void pnv_ioda_setup_PEs(struct pci_bus *bus)
static void pnv_pci_ioda_setup_PEs(void)
{
struct pci_controller *hose, *tmp;
+ struct pnv_phb *phb;
list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
+ phb = hose->private_data;
+
+ /* M64 layout might affect PE allocation */
+ if (phb->alloc_m64_pe)
+ phb->alloc_m64_pe(phb);
+
pnv_ioda_setup_PEs(hose->bus);
}
}
@@ -491,17 +886,26 @@ static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb,
set_dma_ops(&pdev->dev, &dma_iommu_ops);
set_iommu_table_base(&pdev->dev, &pe->tce32_table);
}
+ *pdev->dev.dma_mask = dma_mask;
return 0;
}
-static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, struct pci_bus *bus)
+static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe,
+ struct pci_bus *bus,
+ bool add_to_iommu_group)
{
struct pci_dev *dev;
list_for_each_entry(dev, &bus->devices, bus_list) {
- set_iommu_table_base_and_group(&dev->dev, &pe->tce32_table);
+ if (add_to_iommu_group)
+ set_iommu_table_base_and_group(&dev->dev,
+ &pe->tce32_table);
+ else
+ set_iommu_table_base(&dev->dev, &pe->tce32_table);
+
if (dev->subordinate)
- pnv_ioda_setup_bus_dma(pe, dev->subordinate);
+ pnv_ioda_setup_bus_dma(pe, dev->subordinate,
+ add_to_iommu_group);
}
}
@@ -513,15 +917,16 @@ static void pnv_pci_ioda1_tce_invalidate(struct pnv_ioda_pe *pe,
(__be64 __iomem *)pe->tce_inval_reg_phys :
(__be64 __iomem *)tbl->it_index;
unsigned long start, end, inc;
+ const unsigned shift = tbl->it_page_shift;
start = __pa(startp);
end = __pa(endp);
/* BML uses this case for p6/p7/galaxy2: Shift addr and put in node */
if (tbl->it_busno) {
- start <<= 12;
- end <<= 12;
- inc = 128 << 12;
+ start <<= shift;
+ end <<= shift;
+ inc = 128ull << shift;
start |= tbl->it_busno;
end |= tbl->it_busno;
} else if (tbl->it_type & TCE_PCI_SWINV_PAIR) {
@@ -559,18 +964,19 @@ static void pnv_pci_ioda2_tce_invalidate(struct pnv_ioda_pe *pe,
__be64 __iomem *invalidate = rm ?
(__be64 __iomem *)pe->tce_inval_reg_phys :
(__be64 __iomem *)tbl->it_index;
+ const unsigned shift = tbl->it_page_shift;
/* We'll invalidate DMA address in PE scope */
- start = 0x2ul << 60;
+ start = 0x2ull << 60;
start |= (pe->pe_number & 0xFF);
end = start;
/* Figure out the start, end and step */
inc = tbl->it_offset + (((u64)startp - tbl->it_base) / sizeof(u64));
- start |= (inc << 12);
+ start |= (inc << shift);
inc = tbl->it_offset + (((u64)endp - tbl->it_base) / sizeof(u64));
- end |= (inc << 12);
- inc = (0x1ul << 12);
+ end |= (inc << shift);
+ inc = (0x1ull << shift);
mb();
while (start <= end) {
@@ -654,7 +1060,7 @@ static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb,
/* Setup linux iommu table */
tbl = &pe->tce32_table;
pnv_pci_setup_iommu_table(tbl, addr, TCE32_TABLE_SIZE * segs,
- base << 28);
+ base << 28, IOMMU_PAGE_SHIFT_4K);
/* OPAL variant of P7IOC SW invalidated TCEs */
swinvp = of_get_property(phb->hose->dn, "ibm,opal-tce-kill", NULL);
@@ -677,7 +1083,7 @@ static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb,
if (pe->pdev)
set_iommu_table_base_and_group(&pe->pdev->dev, tbl);
else
- pnv_ioda_setup_bus_dma(pe, pe->pbus);
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, true);
return;
fail:
@@ -713,11 +1119,15 @@ static void pnv_pci_ioda2_set_bypass(struct iommu_table *tbl, bool enable)
0);
/*
- * We might want to reset the DMA ops of all devices on
- * this PE. However in theory, that shouldn't be necessary
- * as this is used for VFIO/KVM pass-through and the device
- * hasn't yet been returned to its kernel driver
+ * EEH needs the mapping between IOMMU table and group
+ * of those VFIO/KVM pass-through devices. We can postpone
+ * resetting DMA ops until the DMA mask is configured in
+ * host side.
*/
+ if (pe->pdev)
+ set_iommu_table_base(&pe->pdev->dev, tbl);
+ else
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, false);
}
if (rc)
pe_err(pe, "OPAL error %lld configuring bypass window\n", rc);
@@ -784,7 +1194,8 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb,
/* Setup linux iommu table */
tbl = &pe->tce32_table;
- pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, 0);
+ pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, 0,
+ IOMMU_PAGE_SHIFT_4K);
/* OPAL variant of PHB3 invalidated TCEs */
swinvp = of_get_property(phb->hose->dn, "ibm,opal-tce-kill", NULL);
@@ -805,7 +1216,7 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb,
if (pe->pdev)
set_iommu_table_base_and_group(&pe->pdev->dev, tbl);
else
- pnv_ioda_setup_bus_dma(pe, pe->pbus);
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, true);
/* Also create a bypass window */
pnv_pci_ioda2_setup_bypass_pe(phb, pe);
@@ -1055,9 +1466,6 @@ static void pnv_ioda_setup_pe_seg(struct pci_controller *hose,
index++;
}
} else if (res->flags & IORESOURCE_MEM) {
- /* WARNING: Assumes M32 is mem region 0 in PHB. We need to
- * harden that algorithm when we start supporting M64
- */
region.start = res->start -
hose->mem_offset[0] -
phb->ioda.m32_pci_base;
@@ -1141,9 +1549,8 @@ static void pnv_pci_ioda_fixup(void)
pnv_pci_ioda_create_dbgfs();
#ifdef CONFIG_EEH
- eeh_probe_mode_set(EEH_PROBE_MODE_DEV);
- eeh_addr_cache_build();
eeh_init();
+ eeh_addr_cache_build();
#endif
}
@@ -1178,7 +1585,10 @@ static resource_size_t pnv_pci_window_alignment(struct pci_bus *bus,
bridge = bridge->bus->self;
}
- /* We need support prefetchable memory window later */
+ /* We fail back to M32 if M64 isn't supported */
+ if (phb->ioda.m64_segsize &&
+ pnv_pci_is_mem_pref_64(type))
+ return phb->ioda.m64_segsize;
if (type & IORESOURCE_MEM)
return phb->ioda.m32_segsize;
@@ -1299,6 +1709,10 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
prop32 = of_get_property(np, "ibm,opal-reserved-pe", NULL);
if (prop32)
phb->ioda.reserved_pe = be32_to_cpup(prop32);
+
+ /* Parse 64-bit MMIO range */
+ pnv_ioda_parse_m64_window(phb);
+
phb->ioda.m32_size = resource_size(&hose->mem_resources[0]);
/* FW Has already off top 64k of M32 space (MSI space) */
phb->ioda.m32_size += 0x10000;
@@ -1334,14 +1748,6 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
/* Calculate how many 32-bit TCE segments we have */
phb->ioda.tce32_count = phb->ioda.m32_pci_base >> 28;
- /* Clear unusable m64 */
- hose->mem_resources[1].flags = 0;
- hose->mem_resources[1].start = 0;
- hose->mem_resources[1].end = 0;
- hose->mem_resources[2].flags = 0;
- hose->mem_resources[2].start = 0;
- hose->mem_resources[2].end = 0;
-
#if 0 /* We should really do that ... */
rc = opal_pci_set_phb_mem_window(opal->phb_id,
window_type,
@@ -1351,14 +1757,21 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
segment_size);
#endif
- pr_info(" %d (%d) PE's M32: 0x%x [segment=0x%x]"
- " IO: 0x%x [segment=0x%x]\n",
- phb->ioda.total_pe,
- phb->ioda.reserved_pe,
- phb->ioda.m32_size, phb->ioda.m32_segsize,
- phb->ioda.io_size, phb->ioda.io_segsize);
+ pr_info(" %03d (%03d) PE's M32: 0x%x [segment=0x%x]\n",
+ phb->ioda.total_pe, phb->ioda.reserved_pe,
+ phb->ioda.m32_size, phb->ioda.m32_segsize);
+ if (phb->ioda.m64_size)
+ pr_info(" M64: 0x%lx [segment=0x%lx]\n",
+ phb->ioda.m64_size, phb->ioda.m64_segsize);
+ if (phb->ioda.io_size)
+ pr_info(" IO: 0x%x [segment=0x%x]\n",
+ phb->ioda.io_size, phb->ioda.io_segsize);
+
phb->hose->ops = &pnv_pci_ops;
+ phb->get_pe_state = pnv_ioda_get_pe_state;
+ phb->freeze_pe = pnv_ioda_freeze_pe;
+ phb->unfreeze_pe = pnv_ioda_unfreeze_pe;
#ifdef CONFIG_EEH
phb->eeh_ops = &ioda_eeh_ops;
#endif
@@ -1404,6 +1817,10 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
ioda_eeh_phb_reset(hose, EEH_RESET_FUNDAMENTAL);
ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET);
}
+
+ /* Configure M64 window */
+ if (phb->init_m64 && phb->init_m64(phb))
+ hose->mem_resources[1].flags = 0;
}
void __init pnv_pci_init_ioda2_phb(struct device_node *np)
diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
index e3807d69393e..94ce3481490b 100644
--- a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
+++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
@@ -172,7 +172,8 @@ static void __init pnv_pci_init_p5ioc2_phb(struct device_node *np, u64 hub_id,
/* Setup TCEs */
phb->dma_dev_setup = pnv_pci_p5ioc2_dma_dev_setup;
pnv_pci_setup_iommu_table(&phb->p5ioc2.iommu_table,
- tce_mem, tce_size, 0);
+ tce_mem, tce_size, 0,
+ IOMMU_PAGE_SHIFT_4K);
}
void __init pnv_pci_init_p5ioc2_hub(struct device_node *np)
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index f91a4e5d872e..b854b57ed5e1 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -132,61 +132,78 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pci_controller *hose,
data = (struct OpalIoP7IOCPhbErrorData *)common;
pr_info("P7IOC PHB#%d Diag-data (Version: %d)\n",
- hose->global_number, common->version);
+ hose->global_number, be32_to_cpu(common->version));
if (data->brdgCtl)
pr_info("brdgCtl: %08x\n",
- data->brdgCtl);
+ be32_to_cpu(data->brdgCtl));
if (data->portStatusReg || data->rootCmplxStatus ||
data->busAgentStatus)
pr_info("UtlSts: %08x %08x %08x\n",
- data->portStatusReg, data->rootCmplxStatus,
- data->busAgentStatus);
+ be32_to_cpu(data->portStatusReg),
+ be32_to_cpu(data->rootCmplxStatus),
+ be32_to_cpu(data->busAgentStatus));
if (data->deviceStatus || data->slotStatus ||
data->linkStatus || data->devCmdStatus ||
data->devSecStatus)
pr_info("RootSts: %08x %08x %08x %08x %08x\n",
- data->deviceStatus, data->slotStatus,
- data->linkStatus, data->devCmdStatus,
- data->devSecStatus);
+ be32_to_cpu(data->deviceStatus),
+ be32_to_cpu(data->slotStatus),
+ be32_to_cpu(data->linkStatus),
+ be32_to_cpu(data->devCmdStatus),
+ be32_to_cpu(data->devSecStatus));
if (data->rootErrorStatus || data->uncorrErrorStatus ||
data->corrErrorStatus)
pr_info("RootErrSts: %08x %08x %08x\n",
- data->rootErrorStatus, data->uncorrErrorStatus,
- data->corrErrorStatus);
+ be32_to_cpu(data->rootErrorStatus),
+ be32_to_cpu(data->uncorrErrorStatus),
+ be32_to_cpu(data->corrErrorStatus));
if (data->tlpHdr1 || data->tlpHdr2 ||
data->tlpHdr3 || data->tlpHdr4)
pr_info("RootErrLog: %08x %08x %08x %08x\n",
- data->tlpHdr1, data->tlpHdr2,
- data->tlpHdr3, data->tlpHdr4);
+ be32_to_cpu(data->tlpHdr1),
+ be32_to_cpu(data->tlpHdr2),
+ be32_to_cpu(data->tlpHdr3),
+ be32_to_cpu(data->tlpHdr4));
if (data->sourceId || data->errorClass ||
data->correlator)
pr_info("RootErrLog1: %08x %016llx %016llx\n",
- data->sourceId, data->errorClass,
- data->correlator);
+ be32_to_cpu(data->sourceId),
+ be64_to_cpu(data->errorClass),
+ be64_to_cpu(data->correlator));
if (data->p7iocPlssr || data->p7iocCsr)
pr_info("PhbSts: %016llx %016llx\n",
- data->p7iocPlssr, data->p7iocCsr);
+ be64_to_cpu(data->p7iocPlssr),
+ be64_to_cpu(data->p7iocCsr));
if (data->lemFir)
pr_info("Lem: %016llx %016llx %016llx\n",
- data->lemFir, data->lemErrorMask,
- data->lemWOF);
+ be64_to_cpu(data->lemFir),
+ be64_to_cpu(data->lemErrorMask),
+ be64_to_cpu(data->lemWOF));
if (data->phbErrorStatus)
pr_info("PhbErr: %016llx %016llx %016llx %016llx\n",
- data->phbErrorStatus, data->phbFirstErrorStatus,
- data->phbErrorLog0, data->phbErrorLog1);
+ be64_to_cpu(data->phbErrorStatus),
+ be64_to_cpu(data->phbFirstErrorStatus),
+ be64_to_cpu(data->phbErrorLog0),
+ be64_to_cpu(data->phbErrorLog1));
if (data->mmioErrorStatus)
pr_info("OutErr: %016llx %016llx %016llx %016llx\n",
- data->mmioErrorStatus, data->mmioFirstErrorStatus,
- data->mmioErrorLog0, data->mmioErrorLog1);
+ be64_to_cpu(data->mmioErrorStatus),
+ be64_to_cpu(data->mmioFirstErrorStatus),
+ be64_to_cpu(data->mmioErrorLog0),
+ be64_to_cpu(data->mmioErrorLog1));
if (data->dma0ErrorStatus)
pr_info("InAErr: %016llx %016llx %016llx %016llx\n",
- data->dma0ErrorStatus, data->dma0FirstErrorStatus,
- data->dma0ErrorLog0, data->dma0ErrorLog1);
+ be64_to_cpu(data->dma0ErrorStatus),
+ be64_to_cpu(data->dma0FirstErrorStatus),
+ be64_to_cpu(data->dma0ErrorLog0),
+ be64_to_cpu(data->dma0ErrorLog1));
if (data->dma1ErrorStatus)
pr_info("InBErr: %016llx %016llx %016llx %016llx\n",
- data->dma1ErrorStatus, data->dma1FirstErrorStatus,
- data->dma1ErrorLog0, data->dma1ErrorLog1);
+ be64_to_cpu(data->dma1ErrorStatus),
+ be64_to_cpu(data->dma1FirstErrorStatus),
+ be64_to_cpu(data->dma1ErrorLog0),
+ be64_to_cpu(data->dma1ErrorLog1));
for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
if ((data->pestA[i] >> 63) == 0 &&
@@ -194,7 +211,8 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pci_controller *hose,
continue;
pr_info("PE[%3d] A/B: %016llx %016llx\n",
- i, data->pestA[i], data->pestB[i]);
+ i, be64_to_cpu(data->pestA[i]),
+ be64_to_cpu(data->pestB[i]));
}
}
@@ -319,43 +337,52 @@ void pnv_pci_dump_phb_diag_data(struct pci_controller *hose,
static void pnv_pci_handle_eeh_config(struct pnv_phb *phb, u32 pe_no)
{
unsigned long flags, rc;
- int has_diag;
+ int has_diag, ret = 0;
spin_lock_irqsave(&phb->lock, flags);
+ /* Fetch PHB diag-data */
rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
PNV_PCI_DIAG_BUF_SIZE);
has_diag = (rc == OPAL_SUCCESS);
- rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
+ /* If PHB supports compound PE, to handle it */
+ if (phb->unfreeze_pe) {
+ ret = phb->unfreeze_pe(phb,
+ pe_no,
OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
- if (rc) {
- pr_warning("PCI %d: Failed to clear EEH freeze state"
- " for PE#%d, err %ld\n",
- phb->hose->global_number, pe_no, rc);
-
- /* For now, let's only display the diag buffer when we fail to clear
- * the EEH status. We'll do more sensible things later when we have
- * proper EEH support. We need to make sure we don't pollute ourselves
- * with the normal errors generated when probing empty slots
- */
- if (has_diag)
- pnv_pci_dump_phb_diag_data(phb->hose, phb->diag.blob);
- else
- pr_warning("PCI %d: No diag data available\n",
- phb->hose->global_number);
+ } else {
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id,
+ pe_no,
+ OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
+ if (rc) {
+ pr_warn("%s: Failure %ld clearing frozen "
+ "PHB#%x-PE#%x\n",
+ __func__, rc, phb->hose->global_number,
+ pe_no);
+ ret = -EIO;
+ }
}
+ /*
+ * For now, let's only display the diag buffer when we fail to clear
+ * the EEH status. We'll do more sensible things later when we have
+ * proper EEH support. We need to make sure we don't pollute ourselves
+ * with the normal errors generated when probing empty slots
+ */
+ if (has_diag && ret)
+ pnv_pci_dump_phb_diag_data(phb->hose, phb->diag.blob);
+
spin_unlock_irqrestore(&phb->lock, flags);
}
static void pnv_pci_config_check_eeh(struct pnv_phb *phb,
struct device_node *dn)
{
- s64 rc;
u8 fstate;
__be16 pcierr;
- u32 pe_no;
+ int pe_no;
+ s64 rc;
/*
* Get the PE#. During the PCI probe stage, we might not
@@ -370,20 +397,42 @@ static void pnv_pci_config_check_eeh(struct pnv_phb *phb,
pe_no = phb->ioda.reserved_pe;
}
- /* Read freeze status */
- rc = opal_pci_eeh_freeze_status(phb->opal_id, pe_no, &fstate, &pcierr,
- NULL);
- if (rc) {
- pr_warning("%s: Can't read EEH status (PE#%d) for "
- "%s, err %lld\n",
- __func__, pe_no, dn->full_name, rc);
- return;
+ /*
+ * Fetch frozen state. If the PHB support compound PE,
+ * we need handle that case.
+ */
+ if (phb->get_pe_state) {
+ fstate = phb->get_pe_state(phb, pe_no);
+ } else {
+ rc = opal_pci_eeh_freeze_status(phb->opal_id,
+ pe_no,
+ &fstate,
+ &pcierr,
+ NULL);
+ if (rc) {
+ pr_warn("%s: Failure %lld getting PHB#%x-PE#%x state\n",
+ __func__, rc, phb->hose->global_number, pe_no);
+ return;
+ }
}
+
cfg_dbg(" -> EEH check, bdfn=%04x PE#%d fstate=%x\n",
(PCI_DN(dn)->busno << 8) | (PCI_DN(dn)->devfn),
pe_no, fstate);
- if (fstate != 0)
+
+ /* Clear the frozen state if applicable */
+ if (fstate == OPAL_EEH_STOPPED_MMIO_FREEZE ||
+ fstate == OPAL_EEH_STOPPED_DMA_FREEZE ||
+ fstate == OPAL_EEH_STOPPED_MMIO_DMA_FREEZE) {
+ /*
+ * If PHB supports compound PE, freeze it for
+ * consistency.
+ */
+ if (phb->freeze_pe)
+ phb->freeze_pe(phb, pe_no);
+
pnv_pci_handle_eeh_config(phb, pe_no);
+ }
}
int pnv_pci_cfg_read(struct device_node *dn,
@@ -564,10 +613,11 @@ static int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
proto_tce |= TCE_PCI_WRITE;
tces = tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset;
- rpn = __pa(uaddr) >> TCE_SHIFT;
+ rpn = __pa(uaddr) >> tbl->it_page_shift;
while (npages--)
- *(tcep++) = cpu_to_be64(proto_tce | (rpn++ << TCE_RPN_SHIFT));
+ *(tcep++) = cpu_to_be64(proto_tce |
+ (rpn++ << tbl->it_page_shift));
/* Some implementations won't cache invalid TCEs and thus may not
* need that flush. We'll probably turn it_type into a bit mask
@@ -627,11 +677,11 @@ static void pnv_tce_free_rm(struct iommu_table *tbl, long index, long npages)
void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
void *tce_mem, u64 tce_size,
- u64 dma_offset)
+ u64 dma_offset, unsigned page_shift)
{
tbl->it_blocksize = 16;
tbl->it_base = (unsigned long)tce_mem;
- tbl->it_page_shift = IOMMU_PAGE_SHIFT_4K;
+ tbl->it_page_shift = page_shift;
tbl->it_offset = dma_offset >> tbl->it_page_shift;
tbl->it_index = 0;
tbl->it_size = tce_size >> 3;
@@ -656,7 +706,7 @@ static struct iommu_table *pnv_pci_setup_bml_iommu(struct pci_controller *hose)
if (WARN_ON(!tbl))
return NULL;
pnv_pci_setup_iommu_table(tbl, __va(be64_to_cpup(basep)),
- be32_to_cpup(sizep), 0);
+ be32_to_cpup(sizep), 0, IOMMU_PAGE_SHIFT_4K);
iommu_init_table(tbl, hose->node);
iommu_register_group(tbl, pci_domain_nr(hose->bus), 0);
@@ -842,5 +892,4 @@ static int __init tce_iommu_bus_notifier_init(void)
bus_register_notifier(&pci_bus_type, &tce_iommu_bus_nb);
return 0;
}
-
-subsys_initcall_sync(tce_iommu_bus_notifier_init);
+machine_subsys_initcall_sync(powernv, tce_iommu_bus_notifier_init);
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index 676232c34328..48494d4b6058 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -21,6 +21,8 @@ enum pnv_phb_model {
#define PNV_IODA_PE_DEV (1 << 0) /* PE has single PCI device */
#define PNV_IODA_PE_BUS (1 << 1) /* PE has primary PCI bus */
#define PNV_IODA_PE_BUS_ALL (1 << 2) /* PE has subordinate buses */
+#define PNV_IODA_PE_MASTER (1 << 3) /* Master PE in compound case */
+#define PNV_IODA_PE_SLAVE (1 << 4) /* Slave PE in compound case */
/* Data associated with a PE, including IOMMU tracking etc.. */
struct pnv_phb;
@@ -64,6 +66,10 @@ struct pnv_ioda_pe {
*/
int mve_number;
+ /* PEs in compound case */
+ struct pnv_ioda_pe *master;
+ struct list_head slaves;
+
/* Link in list of PE#s */
struct list_head dma_link;
struct list_head list;
@@ -119,6 +125,12 @@ struct pnv_phb {
void (*fixup_phb)(struct pci_controller *hose);
u32 (*bdfn_to_pe)(struct pnv_phb *phb, struct pci_bus *bus, u32 devfn);
void (*shutdown)(struct pnv_phb *phb);
+ int (*init_m64)(struct pnv_phb *phb);
+ void (*alloc_m64_pe)(struct pnv_phb *phb);
+ int (*pick_m64_pe)(struct pnv_phb *phb, struct pci_bus *bus, int all);
+ int (*get_pe_state)(struct pnv_phb *phb, int pe_no);
+ void (*freeze_pe)(struct pnv_phb *phb, int pe_no);
+ int (*unfreeze_pe)(struct pnv_phb *phb, int pe_no, int opt);
union {
struct {
@@ -129,9 +141,20 @@ struct pnv_phb {
/* Global bridge info */
unsigned int total_pe;
unsigned int reserved_pe;
+
+ /* 32-bit MMIO window */
unsigned int m32_size;
unsigned int m32_segsize;
unsigned int m32_pci_base;
+
+ /* 64-bit MMIO window */
+ unsigned int m64_bar_idx;
+ unsigned long m64_size;
+ unsigned long m64_segsize;
+ unsigned long m64_base;
+ unsigned long m64_bar_alloc;
+
+ /* IO ports */
unsigned int io_size;
unsigned int io_segsize;
unsigned int io_pci_base;
@@ -198,7 +221,7 @@ int pnv_pci_cfg_write(struct device_node *dn,
int where, int size, u32 val);
extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
void *tce_mem, u64 tce_size,
- u64 dma_offset);
+ u64 dma_offset, unsigned page_shift);
extern void pnv_pci_init_p5ioc2_hub(struct device_node *np);
extern void pnv_pci_init_ioda_hub(struct device_node *np);
extern void pnv_pci_init_ioda2_phb(struct device_node *np);
diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c
index 1cb160dc1609..80db43944afe 100644
--- a/arch/powerpc/platforms/powernv/rng.c
+++ b/arch/powerpc/platforms/powernv/rng.c
@@ -123,4 +123,4 @@ static __init int rng_init(void)
return 0;
}
-subsys_initcall(rng_init);
+machine_subsys_initcall(powernv, rng_init);
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index d9b88fa7c5a3..5a0e2dc6de5f 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -264,6 +264,8 @@ static void __init pnv_setup_machdep_opal(void)
ppc_md.halt = pnv_halt;
ppc_md.machine_check_exception = opal_machine_check;
ppc_md.mce_check_early_recovery = opal_mce_check_early_recovery;
+ ppc_md.hmi_exception_early = opal_hmi_exception_early;
+ ppc_md.handle_hmi_exception = opal_handle_hmi_exception;
}
#ifdef CONFIG_PPC_POWERNV_RTAS
diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c
index 7d61498e45c0..1062f71f5a85 100644
--- a/arch/powerpc/platforms/pseries/dtl.c
+++ b/arch/powerpc/platforms/pseries/dtl.c
@@ -29,6 +29,7 @@
#include <asm/lppaca.h>
#include <asm/debug.h>
#include <asm/plpar_wrappers.h>
+#include <asm/machdep.h>
struct dtl {
struct dtl_entry *buf;
@@ -391,4 +392,4 @@ err_remove_dir:
err:
return rc;
}
-arch_initcall(dtl_init);
+machine_arch_initcall(pseries, dtl_init);
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 0bec0c02c5e7..b08053819d99 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -89,26 +89,26 @@ static int pseries_eeh_init(void)
* of domain/bus/slot/function for EEH RTAS operations.
*/
if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,set-eeh-option> invalid\n",
+ pr_warn("%s: RTAS service <ibm,set-eeh-option> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_set_slot_reset == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,set-slot-reset> invalid\n",
+ pr_warn("%s: RTAS service <ibm,set-slot-reset> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_read_slot_reset_state2 == RTAS_UNKNOWN_SERVICE &&
ibm_read_slot_reset_state == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,read-slot-reset-state2> and "
+ pr_warn("%s: RTAS service <ibm,read-slot-reset-state2> and "
"<ibm,read-slot-reset-state> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_slot_error_detail == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,slot-error-detail> invalid\n",
+ pr_warn("%s: RTAS service <ibm,slot-error-detail> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE &&
ibm_configure_bridge == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,configure-pe> and "
+ pr_warn("%s: RTAS service <ibm,configure-pe> and "
"<ibm,configure-bridge> invalid\n",
__func__);
return -EINVAL;
@@ -118,17 +118,17 @@ static int pseries_eeh_init(void)
spin_lock_init(&slot_errbuf_lock);
eeh_error_buf_size = rtas_token("rtas-error-log-max");
if (eeh_error_buf_size == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: unknown EEH error log size\n",
+ pr_warn("%s: unknown EEH error log size\n",
__func__);
eeh_error_buf_size = 1024;
} else if (eeh_error_buf_size > RTAS_ERROR_LOG_MAX) {
- pr_warning("%s: EEH error log size %d exceeds the maximal %d\n",
+ pr_warn("%s: EEH error log size %d exceeds the maximal %d\n",
__func__, eeh_error_buf_size, RTAS_ERROR_LOG_MAX);
eeh_error_buf_size = RTAS_ERROR_LOG_MAX;
}
/* Set EEH probe mode */
- eeh_probe_mode_set(EEH_PROBE_MODE_DEVTREE);
+ eeh_add_flag(EEH_PROBE_MODE_DEVTREE | EEH_ENABLE_IO_FOR_LOG);
return 0;
}
@@ -270,7 +270,7 @@ static void *pseries_eeh_of_probe(struct device_node *dn, void *flag)
/* Retrieve the device address */
regs = of_get_property(dn, "reg", NULL);
if (!regs) {
- pr_warning("%s: OF node property %s::reg not found\n",
+ pr_warn("%s: OF node property %s::reg not found\n",
__func__, dn->full_name);
return NULL;
}
@@ -297,7 +297,7 @@ static void *pseries_eeh_of_probe(struct device_node *dn, void *flag)
enable = 1;
if (enable) {
- eeh_set_enable(true);
+ eeh_add_flag(EEH_ENABLED);
eeh_add_to_parent_pe(edev);
pr_debug("%s: EEH enabled on %s PHB#%d-PE#%x, config addr#%x\n",
@@ -398,7 +398,7 @@ static int pseries_eeh_get_pe_addr(struct eeh_pe *pe)
pe->config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid), 0);
if (ret) {
- pr_warning("%s: Failed to get address for PHB#%d-PE#%x\n",
+ pr_warn("%s: Failed to get address for PHB#%d-PE#%x\n",
__func__, pe->phb->global_number, pe->config_addr);
return 0;
}
@@ -411,7 +411,7 @@ static int pseries_eeh_get_pe_addr(struct eeh_pe *pe)
pe->config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid), 0);
if (ret) {
- pr_warning("%s: Failed to get address for PHB#%d-PE#%x\n",
+ pr_warn("%s: Failed to get address for PHB#%d-PE#%x\n",
__func__, pe->phb->global_number, pe->config_addr);
return 0;
}
@@ -584,17 +584,17 @@ static int pseries_eeh_wait_state(struct eeh_pe *pe, int max_wait)
return ret;
if (max_wait <= 0) {
- pr_warning("%s: Timeout when getting PE's state (%d)\n",
+ pr_warn("%s: Timeout when getting PE's state (%d)\n",
__func__, max_wait);
return EEH_STATE_NOT_SUPPORT;
}
if (mwait <= 0) {
- pr_warning("%s: Firmware returned bad wait value %d\n",
+ pr_warn("%s: Firmware returned bad wait value %d\n",
__func__, mwait);
mwait = EEH_STATE_MIN_WAIT_TIME;
} else if (mwait > EEH_STATE_MAX_WAIT_TIME) {
- pr_warning("%s: Firmware returned too long wait value %d\n",
+ pr_warn("%s: Firmware returned too long wait value %d\n",
__func__, mwait);
mwait = EEH_STATE_MAX_WAIT_TIME;
}
@@ -675,7 +675,7 @@ static int pseries_eeh_configure_bridge(struct eeh_pe *pe)
}
if (ret)
- pr_warning("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
+ pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
__func__, pe->phb->global_number, pe->addr, ret);
return ret;
@@ -743,10 +743,7 @@ static struct eeh_ops pseries_eeh_ops = {
*/
static int __init eeh_pseries_init(void)
{
- int ret = -EINVAL;
-
- if (!machine_is(pseries))
- return ret;
+ int ret;
ret = eeh_ops_register(&pseries_eeh_ops);
if (!ret)
@@ -757,5 +754,4 @@ static int __init eeh_pseries_init(void)
return ret;
}
-
-early_initcall(eeh_pseries_init);
+machine_early_initcall(pseries, eeh_pseries_init);
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index 99ecf0a5a929..3fda3f17b84e 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -12,9 +12,13 @@
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/ptrace.h>
+#include <asm/jump_label.h>
+
+ .section ".text"
#ifdef CONFIG_TRACEPOINTS
+#ifndef CONFIG_JUMP_LABEL
.section ".toc","aw"
.globl hcall_tracepoint_refcount
@@ -22,21 +26,13 @@ hcall_tracepoint_refcount:
.llong 0
.section ".text"
+#endif
/*
* precall must preserve all registers. use unused STK_PARAM()
- * areas to save snapshots and opcode. We branch around this
- * in early init (eg when populating the MMU hashtable) by using an
- * unconditional cpu feature.
+ * areas to save snapshots and opcode.
*/
#define HCALL_INST_PRECALL(FIRST_REG) \
-BEGIN_FTR_SECTION; \
- b 1f; \
-END_FTR_SECTION(0, 1); \
- ld r12,hcall_tracepoint_refcount@toc(r2); \
- std r12,32(r1); \
- cmpdi r12,0; \
- beq+ 1f; \
mflr r0; \
std r3,STK_PARAM(R3)(r1); \
std r4,STK_PARAM(R4)(r1); \
@@ -50,45 +46,29 @@ END_FTR_SECTION(0, 1); \
addi r4,r1,STK_PARAM(FIRST_REG); \
stdu r1,-STACK_FRAME_OVERHEAD(r1); \
bl __trace_hcall_entry; \
- addi r1,r1,STACK_FRAME_OVERHEAD; \
- ld r0,16(r1); \
- ld r3,STK_PARAM(R3)(r1); \
- ld r4,STK_PARAM(R4)(r1); \
- ld r5,STK_PARAM(R5)(r1); \
- ld r6,STK_PARAM(R6)(r1); \
- ld r7,STK_PARAM(R7)(r1); \
- ld r8,STK_PARAM(R8)(r1); \
- ld r9,STK_PARAM(R9)(r1); \
- ld r10,STK_PARAM(R10)(r1); \
- mtlr r0; \
-1:
+ ld r3,STACK_FRAME_OVERHEAD+STK_PARAM(R3)(r1); \
+ ld r4,STACK_FRAME_OVERHEAD+STK_PARAM(R4)(r1); \
+ ld r5,STACK_FRAME_OVERHEAD+STK_PARAM(R5)(r1); \
+ ld r6,STACK_FRAME_OVERHEAD+STK_PARAM(R6)(r1); \
+ ld r7,STACK_FRAME_OVERHEAD+STK_PARAM(R7)(r1); \
+ ld r8,STACK_FRAME_OVERHEAD+STK_PARAM(R8)(r1); \
+ ld r9,STACK_FRAME_OVERHEAD+STK_PARAM(R9)(r1); \
+ ld r10,STACK_FRAME_OVERHEAD+STK_PARAM(R10)(r1)
/*
* postcall is performed immediately before function return which
- * allows liberal use of volatile registers. We branch around this
- * in early init (eg when populating the MMU hashtable) by using an
- * unconditional cpu feature.
+ * allows liberal use of volatile registers.
*/
#define __HCALL_INST_POSTCALL \
-BEGIN_FTR_SECTION; \
- b 1f; \
-END_FTR_SECTION(0, 1); \
- ld r12,32(r1); \
- cmpdi r12,0; \
- beq+ 1f; \
- mflr r0; \
- ld r6,STK_PARAM(R3)(r1); \
- std r3,STK_PARAM(R3)(r1); \
+ ld r0,STACK_FRAME_OVERHEAD+STK_PARAM(R3)(r1); \
+ std r3,STACK_FRAME_OVERHEAD+STK_PARAM(R3)(r1); \
mr r4,r3; \
- mr r3,r6; \
- std r0,16(r1); \
- stdu r1,-STACK_FRAME_OVERHEAD(r1); \
+ mr r3,r0; \
bl __trace_hcall_exit; \
+ ld r0,STACK_FRAME_OVERHEAD+16(r1); \
addi r1,r1,STACK_FRAME_OVERHEAD; \
- ld r0,16(r1); \
ld r3,STK_PARAM(R3)(r1); \
- mtlr r0; \
-1:
+ mtlr r0
#define HCALL_INST_POSTCALL_NORETS \
li r5,0; \
@@ -98,37 +78,62 @@ END_FTR_SECTION(0, 1); \
mr r5,BUFREG; \
__HCALL_INST_POSTCALL
+#ifdef CONFIG_JUMP_LABEL
+#define HCALL_BRANCH(LABEL) \
+ ARCH_STATIC_BRANCH(LABEL, hcall_tracepoint_key)
+#else
+
+/*
+ * We branch around this in early init (eg when populating the MMU
+ * hashtable) by using an unconditional cpu feature.
+ */
+#define HCALL_BRANCH(LABEL) \
+BEGIN_FTR_SECTION; \
+ b 1f; \
+END_FTR_SECTION(0, 1); \
+ ld r12,hcall_tracepoint_refcount@toc(r2); \
+ std r12,32(r1); \
+ cmpdi r12,0; \
+ bne- LABEL; \
+1:
+#endif
+
#else
#define HCALL_INST_PRECALL(FIRST_ARG)
#define HCALL_INST_POSTCALL_NORETS
#define HCALL_INST_POSTCALL(BUFREG)
+#define HCALL_BRANCH(LABEL)
#endif
- .text
-
_GLOBAL_TOC(plpar_hcall_norets)
HMT_MEDIUM
mfcr r0
stw r0,8(r1)
-
- HCALL_INST_PRECALL(R4)
-
+ HCALL_BRANCH(plpar_hcall_norets_trace)
HVSC /* invoke the hypervisor */
- HCALL_INST_POSTCALL_NORETS
-
lwz r0,8(r1)
mtcrf 0xff,r0
blr /* return r3 = status */
+#ifdef CONFIG_TRACEPOINTS
+plpar_hcall_norets_trace:
+ HCALL_INST_PRECALL(R4)
+ HVSC
+ HCALL_INST_POSTCALL_NORETS
+ lwz r0,8(r1)
+ mtcrf 0xff,r0
+ blr
+#endif
+
_GLOBAL_TOC(plpar_hcall)
HMT_MEDIUM
mfcr r0
stw r0,8(r1)
- HCALL_INST_PRECALL(R5)
+ HCALL_BRANCH(plpar_hcall_trace)
std r4,STK_PARAM(R4)(r1) /* Save ret buffer */
@@ -147,12 +152,40 @@ _GLOBAL_TOC(plpar_hcall)
std r6, 16(r12)
std r7, 24(r12)
+ lwz r0,8(r1)
+ mtcrf 0xff,r0
+
+ blr /* return r3 = status */
+
+#ifdef CONFIG_TRACEPOINTS
+plpar_hcall_trace:
+ HCALL_INST_PRECALL(R5)
+
+ std r4,STK_PARAM(R4)(r1)
+ mr r0,r4
+
+ mr r4,r5
+ mr r5,r6
+ mr r6,r7
+ mr r7,r8
+ mr r8,r9
+ mr r9,r10
+
+ HVSC
+
+ ld r12,STK_PARAM(R4)(r1)
+ std r4,0(r12)
+ std r5,8(r12)
+ std r6,16(r12)
+ std r7,24(r12)
+
HCALL_INST_POSTCALL(r12)
lwz r0,8(r1)
mtcrf 0xff,r0
- blr /* return r3 = status */
+ blr
+#endif
/*
* plpar_hcall_raw can be called in real mode. kexec/kdump need some
@@ -194,7 +227,7 @@ _GLOBAL_TOC(plpar_hcall9)
mfcr r0
stw r0,8(r1)
- HCALL_INST_PRECALL(R5)
+ HCALL_BRANCH(plpar_hcall9_trace)
std r4,STK_PARAM(R4)(r1) /* Save ret buffer */
@@ -222,12 +255,49 @@ _GLOBAL_TOC(plpar_hcall9)
std r11,56(r12)
std r0, 64(r12)
+ lwz r0,8(r1)
+ mtcrf 0xff,r0
+
+ blr /* return r3 = status */
+
+#ifdef CONFIG_TRACEPOINTS
+plpar_hcall9_trace:
+ HCALL_INST_PRECALL(R5)
+
+ std r4,STK_PARAM(R4)(r1)
+ mr r0,r4
+
+ mr r4,r5
+ mr r5,r6
+ mr r6,r7
+ mr r7,r8
+ mr r8,r9
+ mr r9,r10
+ ld r10,STACK_FRAME_OVERHEAD+STK_PARAM(R11)(r1)
+ ld r11,STACK_FRAME_OVERHEAD+STK_PARAM(R12)(r1)
+ ld r12,STACK_FRAME_OVERHEAD+STK_PARAM(R13)(r1)
+
+ HVSC
+
+ mr r0,r12
+ ld r12,STACK_FRAME_OVERHEAD+STK_PARAM(R4)(r1)
+ std r4,0(r12)
+ std r5,8(r12)
+ std r6,16(r12)
+ std r7,24(r12)
+ std r8,32(r12)
+ std r9,40(r12)
+ std r10,48(r12)
+ std r11,56(r12)
+ std r0,64(r12)
+
HCALL_INST_POSTCALL(r12)
lwz r0,8(r1)
mtcrf 0xff,r0
- blr /* return r3 = status */
+ blr
+#endif
/* See plpar_hcall_raw to see why this is needed */
_GLOBAL(plpar_hcall9_raw)
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index cf4e7736e4f1..4575f0c9e521 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -27,6 +27,7 @@
#include <asm/firmware.h>
#include <asm/cputable.h>
#include <asm/trace.h>
+#include <asm/machdep.h>
DEFINE_PER_CPU(struct hcall_stats[HCALL_STAT_ARRAY_SIZE], hcall_stats);
@@ -162,4 +163,4 @@ static int __init hcall_inst_init(void)
return 0;
}
-__initcall(hcall_inst_init);
+machine_device_initcall(pseries, hcall_inst_init);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index b02af9ef3ff6..fbfcef514aa7 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -26,6 +26,7 @@
#include <linux/dma-mapping.h>
#include <linux/console.h>
#include <linux/export.h>
+#include <linux/static_key.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/page.h>
@@ -649,6 +650,19 @@ EXPORT_SYMBOL(arch_free_page);
#endif
#ifdef CONFIG_TRACEPOINTS
+#ifdef CONFIG_JUMP_LABEL
+struct static_key hcall_tracepoint_key = STATIC_KEY_INIT;
+
+void hcall_tracepoint_regfunc(void)
+{
+ static_key_slow_inc(&hcall_tracepoint_key);
+}
+
+void hcall_tracepoint_unregfunc(void)
+{
+ static_key_slow_dec(&hcall_tracepoint_key);
+}
+#else
/*
* We optimise our hcall path by placing hcall_tracepoint_refcount
* directly in the TOC so we can check if the hcall tracepoints are
@@ -658,13 +672,6 @@ EXPORT_SYMBOL(arch_free_page);
/* NB: reg/unreg are called while guarded with the tracepoints_mutex */
extern long hcall_tracepoint_refcount;
-/*
- * Since the tracing code might execute hcalls we need to guard against
- * recursion. One example of this are spinlocks calling H_YIELD on
- * shared processor partitions.
- */
-static DEFINE_PER_CPU(unsigned int, hcall_trace_depth);
-
void hcall_tracepoint_regfunc(void)
{
hcall_tracepoint_refcount++;
@@ -674,6 +681,15 @@ void hcall_tracepoint_unregfunc(void)
{
hcall_tracepoint_refcount--;
}
+#endif
+
+/*
+ * Since the tracing code might execute hcalls we need to guard against
+ * recursion. One example of this are spinlocks calling H_YIELD on
+ * shared processor partitions.
+ */
+static DEFINE_PER_CPU(unsigned int, hcall_trace_depth);
+
void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
{
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index bde7ebad3949..d146fef038b8 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
+#include <asm/machdep.h>
#include <asm/rtas.h>
#include "pseries.h"
@@ -362,4 +363,4 @@ static int __init mobility_sysfs_init(void)
return rc;
}
-device_initcall(mobility_sysfs_init);
+machine_device_initcall(pseries, mobility_sysfs_init);
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 0c882e83c4ce..18ff4626d74e 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -16,6 +16,7 @@
#include <asm/rtas.h>
#include <asm/hw_irq.h>
#include <asm/ppc-pci.h>
+#include <asm/machdep.h>
static int query_token, change_token;
@@ -532,5 +533,4 @@ static int rtas_msi_init(void)
return 0;
}
-arch_initcall(rtas_msi_init);
-
+machine_arch_initcall(pseries, rtas_msi_init);
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 203cbf0dc101..89e23811199c 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -118,10 +118,10 @@ int remove_phb_dynamic(struct pci_controller *phb)
}
}
- /* Unregister the bridge device from sysfs and remove the PCI bus */
- device_unregister(b->bridge);
+ /* Remove the PCI bus and unregister the bridge device from sysfs */
phb->bus = NULL;
pci_remove_bus(b);
+ device_unregister(b->bridge);
/* Now release the IO resource */
if (res->flags & IORESOURCE_IO)
diff --git a/arch/powerpc/platforms/pseries/power.c b/arch/powerpc/platforms/pseries/power.c
index 6d6266236446..c26eadde434c 100644
--- a/arch/powerpc/platforms/pseries/power.c
+++ b/arch/powerpc/platforms/pseries/power.c
@@ -25,6 +25,7 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
+#include <asm/machdep.h>
unsigned long rtas_poweron_auto; /* default and normal state is 0 */
@@ -71,11 +72,11 @@ static int __init pm_init(void)
return -ENOMEM;
return sysfs_create_group(power_kobj, &attr_group);
}
-core_initcall(pm_init);
+machine_core_initcall(pseries, pm_init);
#else
static int __init apo_pm_init(void)
{
return (sysfs_create_file(power_kobj, &auto_poweron_attr.attr));
}
-__initcall(apo_pm_init);
+machine_device_initcall(pseries, apo_pm_init);
#endif
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 9c5778e6ed4b..dff05b9eb946 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -71,7 +71,7 @@ static int __init init_ras_IRQ(void)
return 0;
}
-subsys_initcall(init_ras_IRQ);
+machine_subsys_initcall(pseries, init_ras_IRQ);
#define EPOW_SHUTDOWN_NORMAL 1
#define EPOW_SHUTDOWN_ON_UPS 2
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 1c0a60d98867..0f319521e002 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -446,13 +446,10 @@ static int proc_ppc64_create_ofdt(void)
{
struct proc_dir_entry *ent;
- if (!machine_is(pseries))
- return 0;
-
ent = proc_create("powerpc/ofdt", S_IWUSR, NULL, &ofdt_fops);
if (ent)
proc_set_size(ent, 0);
return 0;
}
-__initcall(proc_ppc64_create_ofdt);
+machine_device_initcall(pseries, proc_ppc64_create_ofdt);
diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c
index 72a102758d4e..e09608770909 100644
--- a/arch/powerpc/platforms/pseries/rng.c
+++ b/arch/powerpc/platforms/pseries/rng.c
@@ -42,4 +42,4 @@ static __init int rng_init(void)
return 0;
}
-subsys_initcall(rng_init);
+machine_subsys_initcall(pseries, rng_init);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index f2f40e64658f..cfe8a6389a51 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -351,7 +351,7 @@ static int alloc_dispatch_log_kmem_cache(void)
return alloc_dispatch_logs();
}
-early_initcall(alloc_dispatch_log_kmem_cache);
+machine_early_initcall(pseries, alloc_dispatch_log_kmem_cache);
static void pseries_lpar_idle(void)
{
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index b87b97849d4c..e76aefae2aa2 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -265,7 +265,7 @@ static int __init pseries_suspend_init(void)
{
int rc;
- if (!machine_is(pseries) || !firmware_has_feature(FW_FEATURE_LPAR))
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
return 0;
suspend_data.token = rtas_token("ibm,suspend-me");
@@ -280,5 +280,4 @@ static int __init pseries_suspend_init(void)
suspend_set_ops(&pseries_suspend_ops);
return 0;
}
-
-__initcall(pseries_suspend_init);
+machine_device_initcall(pseries, pseries_suspend_init);
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 4bd091a05583..c5077673bd94 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -853,8 +853,8 @@ u64 fsl_pci_immrbar_base(struct pci_controller *hose)
in = pcie->cfg_type0 + PEX_RC_INWIN_BASE;
for (i = 0; i < 4; i++) {
/* not enabled, skip */
- if (!in_le32(&in[i].ar) & PEX_RCIWARn_EN)
- continue;
+ if (!(in_le32(&in[i].ar) & PEX_RCIWARn_EN))
+ continue;
if (get_immrbase() == in_le32(&in[i].tar))
return (u64)in_le32(&in[i].barh) << 32 |
diff --git a/arch/powerpc/sysdev/micropatch.c b/arch/powerpc/sysdev/micropatch.c
index c0bb76ef7242..6727dc54d549 100644
--- a/arch/powerpc/sysdev/micropatch.c
+++ b/arch/powerpc/sysdev/micropatch.c
@@ -13,7 +13,6 @@
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <asm/irq.h>
-#include <asm/mpc8xx.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/8xx_immap.h>
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 2c9b52aa266c..7bdf3cc741e4 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -184,7 +184,7 @@ static int mpic_msgr_probe(struct platform_device *dev)
dev_info(&dev->dev, "Found %d message registers\n",
mpic_msgr_count);
- mpic_msgrs = kzalloc(sizeof(struct mpic_msgr) * mpic_msgr_count,
+ mpic_msgrs = kcalloc(mpic_msgr_count, sizeof(*mpic_msgrs),
GFP_KERNEL);
if (!mpic_msgrs) {
dev_err(&dev->dev,
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index d199bfa2f1fa..8d198b5e9e0a 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2058,10 +2058,6 @@ static void dump_one_paca(int cpu)
DUMP(p, kernel_toc, "lx");
DUMP(p, kernelbase, "lx");
DUMP(p, kernel_msr, "lx");
-#ifdef CONFIG_PPC_STD_MMU_64
- DUMP(p, stab_real, "lx");
- DUMP(p, stab_addr, "lx");
-#endif
DUMP(p, emergency_sp, "p");
#ifdef CONFIG_PPC_BOOK3S_64
DUMP(p, mc_emergency_sp, "p");
@@ -2694,7 +2690,7 @@ static void xmon_print_symbol(unsigned long address, const char *mid,
}
#ifdef CONFIG_PPC_BOOK3S_64
-static void dump_slb(void)
+void dump_segments(void)
{
int i;
unsigned long esid,vsid,valid;
@@ -2726,34 +2722,6 @@ static void dump_slb(void)
}
}
}
-
-static void dump_stab(void)
-{
- int i;
- unsigned long *tmp = (unsigned long *)local_paca->stab_addr;
-
- printf("Segment table contents of cpu 0x%x\n", smp_processor_id());
-
- for (i = 0; i < PAGE_SIZE/16; i++) {
- unsigned long a, b;
-
- a = *tmp++;
- b = *tmp++;
-
- if (a || b) {
- printf("%03d %016lx ", i, a);
- printf("%016lx\n", b);
- }
- }
-}
-
-void dump_segments(void)
-{
- if (mmu_has_feature(MMU_FTR_SLB))
- dump_slb();
- else
- dump_stab();
-}
#endif
#ifdef CONFIG_PPC_STD_MMU_32
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index bb1d08dc8cc8..379c0837f5a9 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -28,6 +28,7 @@
#include <linux/of.h>
#include <asm/cputhreads.h>
+#include <asm/firmware.h>
#include <asm/reg.h>
#include <asm/smp.h> /* Required for cpu_sibling_mask() in UP configs */
@@ -98,7 +99,11 @@ static int init_powernv_pstates(void)
return -ENODEV;
}
- WARN_ON(len_ids != len_freqs);
+ if (len_ids != len_freqs) {
+ pr_warn("Entries in ibm,pstate-ids and "
+ "ibm,pstate-frequencies-mhz does not match\n");
+ }
+
nr_pstates = min(len_ids, len_freqs) / sizeof(u32);
if (!nr_pstates) {
pr_warn("No PStates found\n");
@@ -131,7 +136,12 @@ static unsigned int pstate_id_to_freq(int pstate_id)
int i;
i = powernv_pstate_info.max - pstate_id;
- BUG_ON(i >= powernv_pstate_info.nr_pstates || i < 0);
+ if (i >= powernv_pstate_info.nr_pstates || i < 0) {
+ pr_warn("PState id %d outside of PState table, "
+ "reporting nominal id %d instead\n",
+ pstate_id, powernv_pstate_info.nominal);
+ i = powernv_pstate_info.max - powernv_pstate_info.nominal;
+ }
return powernv_freqs[i].frequency;
}
@@ -321,6 +331,10 @@ static int __init powernv_cpufreq_init(void)
{
int rc = 0;
+ /* Don't probe on pseries (guest) platforms */
+ if (!firmware_has_feature(FW_FEATURE_OPALv3))
+ return -ENODEV;
+
/* Discover pstates from device tree and init */
rc = init_powernv_pstates();
if (rc) {
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 74f5788d50b1..a64be578dab2 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -160,10 +160,10 @@ static int powernv_cpuidle_driver_init(void)
static int powernv_add_idle_states(void)
{
struct device_node *power_mgt;
- struct property *prop;
int nr_idle_states = 1; /* Snooze */
int dt_idle_states;
- u32 *flags;
+ const __be32 *idle_state_flags;
+ u32 len_flags, flags;
int i;
/* Currently we have snooze statically defined */
@@ -174,18 +174,18 @@ static int powernv_add_idle_states(void)
return nr_idle_states;
}
- prop = of_find_property(power_mgt, "ibm,cpu-idle-state-flags", NULL);
- if (!prop) {
+ idle_state_flags = of_get_property(power_mgt, "ibm,cpu-idle-state-flags", &len_flags);
+ if (!idle_state_flags) {
pr_warn("DT-PowerMgmt: missing ibm,cpu-idle-state-flags\n");
return nr_idle_states;
}
- dt_idle_states = prop->length / sizeof(u32);
- flags = (u32 *) prop->value;
+ dt_idle_states = len_flags / sizeof(u32);
for (i = 0; i < dt_idle_states; i++) {
- if (flags[i] & IDLE_USE_INST_NAP) {
+ flags = be32_to_cpu(idle_state_flags[i]);
+ if (flags & IDLE_USE_INST_NAP) {
/* Add NAP state */
strcpy(powernv_states[nr_idle_states].name, "Nap");
strcpy(powernv_states[nr_idle_states].desc, "Nap");
@@ -196,7 +196,7 @@ static int powernv_add_idle_states(void)
nr_idle_states++;
}
- if (flags[i] & IDLE_USE_INST_SLEEP) {
+ if (flags & IDLE_USE_INST_SLEEP) {
/* Add FASTSLEEP state */
strcpy(powernv_states[nr_idle_states].name, "FastSleep");
strcpy(powernv_states[nr_idle_states].desc, "FastSleep");
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index c59e9c96e86d..fab81a143bd7 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -61,6 +61,16 @@ config TEGRA30_MC
analysis, especially for IOMMU/SMMU(System Memory Management
Unit) module.
+config FSL_CORENET_CF
+ tristate "Freescale CoreNet Error Reporting"
+ depends on FSL_SOC_BOOKE
+ help
+ Say Y for reporting of errors from the Freescale CoreNet
+ Coherency Fabric. Errors reported include accesses to
+ physical addresses that mapped by no local access window
+ (LAW) or an invalid LAW, as well as bad cache state that
+ represents a coherency violation.
+
config FSL_IFC
bool
depends on FSL_SOC
diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
index 71160a2b7313..4055c47f45ab 100644
--- a/drivers/memory/Makefile
+++ b/drivers/memory/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_OF) += of_memory.o
endif
obj-$(CONFIG_TI_AEMIF) += ti-aemif.o
obj-$(CONFIG_TI_EMIF) += emif.o
+obj-$(CONFIG_FSL_CORENET_CF) += fsl-corenet-cf.o
obj-$(CONFIG_FSL_IFC) += fsl_ifc.o
obj-$(CONFIG_MVEBU_DEVBUS) += mvebu-devbus.o
obj-$(CONFIG_TEGRA20_MC) += tegra20-mc.o
diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c
new file mode 100644
index 000000000000..c9443fc136db
--- /dev/null
+++ b/drivers/memory/fsl-corenet-cf.c
@@ -0,0 +1,251 @@
+/*
+ * CoreNet Coherency Fabric error reporting
+ *
+ * Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+
+enum ccf_version {
+ CCF1,
+ CCF2,
+};
+
+struct ccf_info {
+ enum ccf_version version;
+ int err_reg_offs;
+};
+
+static const struct ccf_info ccf1_info = {
+ .version = CCF1,
+ .err_reg_offs = 0xa00,
+};
+
+static const struct ccf_info ccf2_info = {
+ .version = CCF2,
+ .err_reg_offs = 0xe40,
+};
+
+static const struct of_device_id ccf_matches[] = {
+ {
+ .compatible = "fsl,corenet1-cf",
+ .data = &ccf1_info,
+ },
+ {
+ .compatible = "fsl,corenet2-cf",
+ .data = &ccf2_info,
+ },
+ {}
+};
+
+struct ccf_err_regs {
+ u32 errdet; /* 0x00 Error Detect Register */
+ /* 0x04 Error Enable (ccf1)/Disable (ccf2) Register */
+ u32 errdis;
+ /* 0x08 Error Interrupt Enable Register (ccf2 only) */
+ u32 errinten;
+ u32 cecar; /* 0x0c Error Capture Attribute Register */
+ u32 cecaddrh; /* 0x10 Error Capture Address High */
+ u32 cecaddrl; /* 0x14 Error Capture Address Low */
+ u32 cecar2; /* 0x18 Error Capture Attribute Register 2 */
+};
+
+/* LAE/CV also valid for errdis and errinten */
+#define ERRDET_LAE (1 << 0) /* Local Access Error */
+#define ERRDET_CV (1 << 1) /* Coherency Violation */
+#define ERRDET_CTYPE_SHIFT 26 /* Capture Type (ccf2 only) */
+#define ERRDET_CTYPE_MASK (0x1f << ERRDET_CTYPE_SHIFT)
+#define ERRDET_CAP (1 << 31) /* Capture Valid (ccf2 only) */
+
+#define CECAR_VAL (1 << 0) /* Valid (ccf1 only) */
+#define CECAR_UVT (1 << 15) /* Unavailable target ID (ccf1) */
+#define CECAR_SRCID_SHIFT_CCF1 24
+#define CECAR_SRCID_MASK_CCF1 (0xff << CECAR_SRCID_SHIFT_CCF1)
+#define CECAR_SRCID_SHIFT_CCF2 18
+#define CECAR_SRCID_MASK_CCF2 (0xff << CECAR_SRCID_SHIFT_CCF2)
+
+#define CECADDRH_ADDRH 0xff
+
+struct ccf_private {
+ const struct ccf_info *info;
+ struct device *dev;
+ void __iomem *regs;
+ struct ccf_err_regs __iomem *err_regs;
+};
+
+static irqreturn_t ccf_irq(int irq, void *dev_id)
+{
+ struct ccf_private *ccf = dev_id;
+ static DEFINE_RATELIMIT_STATE(ratelimit, DEFAULT_RATELIMIT_INTERVAL,
+ DEFAULT_RATELIMIT_BURST);
+ u32 errdet, cecar, cecar2;
+ u64 addr;
+ u32 src_id;
+ bool uvt = false;
+ bool cap_valid = false;
+
+ errdet = ioread32be(&ccf->err_regs->errdet);
+ cecar = ioread32be(&ccf->err_regs->cecar);
+ cecar2 = ioread32be(&ccf->err_regs->cecar2);
+ addr = ioread32be(&ccf->err_regs->cecaddrl);
+ addr |= ((u64)(ioread32be(&ccf->err_regs->cecaddrh) &
+ CECADDRH_ADDRH)) << 32;
+
+ if (!__ratelimit(&ratelimit))
+ goto out;
+
+ switch (ccf->info->version) {
+ case CCF1:
+ if (cecar & CECAR_VAL) {
+ if (cecar & CECAR_UVT)
+ uvt = true;
+
+ src_id = (cecar & CECAR_SRCID_MASK_CCF1) >>
+ CECAR_SRCID_SHIFT_CCF1;
+ cap_valid = true;
+ }
+
+ break;
+ case CCF2:
+ if (errdet & ERRDET_CAP) {
+ src_id = (cecar & CECAR_SRCID_MASK_CCF2) >>
+ CECAR_SRCID_SHIFT_CCF2;
+ cap_valid = true;
+ }
+
+ break;
+ }
+
+ dev_crit(ccf->dev, "errdet 0x%08x cecar 0x%08x cecar2 0x%08x\n",
+ errdet, cecar, cecar2);
+
+ if (errdet & ERRDET_LAE) {
+ if (uvt)
+ dev_crit(ccf->dev, "LAW Unavailable Target ID\n");
+ else
+ dev_crit(ccf->dev, "Local Access Window Error\n");
+ }
+
+ if (errdet & ERRDET_CV)
+ dev_crit(ccf->dev, "Coherency Violation\n");
+
+ if (cap_valid) {
+ dev_crit(ccf->dev, "address 0x%09llx, src id 0x%x\n",
+ addr, src_id);
+ }
+
+out:
+ iowrite32be(errdet, &ccf->err_regs->errdet);
+ return errdet ? IRQ_HANDLED : IRQ_NONE;
+}
+
+static int ccf_probe(struct platform_device *pdev)
+{
+ struct ccf_private *ccf;
+ struct resource *r;
+ const struct of_device_id *match;
+ int ret, irq;
+
+ match = of_match_device(ccf_matches, &pdev->dev);
+ if (WARN_ON(!match))
+ return -ENODEV;
+
+ ccf = devm_kzalloc(&pdev->dev, sizeof(*ccf), GFP_KERNEL);
+ if (!ccf)
+ return -ENOMEM;
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r) {
+ dev_err(&pdev->dev, "%s: no mem resource\n", __func__);
+ return -ENXIO;
+ }
+
+ ccf->regs = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(ccf->regs)) {
+ dev_err(&pdev->dev, "%s: can't map mem resource\n", __func__);
+ return PTR_ERR(ccf->regs);
+ }
+
+ ccf->dev = &pdev->dev;
+ ccf->info = match->data;
+ ccf->err_regs = ccf->regs + ccf->info->err_reg_offs;
+
+ dev_set_drvdata(&pdev->dev, ccf);
+
+ irq = platform_get_irq(pdev, 0);
+ if (!irq) {
+ dev_err(&pdev->dev, "%s: no irq\n", __func__);
+ return -ENXIO;
+ }
+
+ ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf);
+ if (ret) {
+ dev_err(&pdev->dev, "%s: can't request irq\n", __func__);
+ return ret;
+ }
+
+ switch (ccf->info->version) {
+ case CCF1:
+ /* On CCF1 this register enables rather than disables. */
+ iowrite32be(ERRDET_LAE | ERRDET_CV, &ccf->err_regs->errdis);
+ break;
+
+ case CCF2:
+ iowrite32be(0, &ccf->err_regs->errdis);
+ iowrite32be(ERRDET_LAE | ERRDET_CV, &ccf->err_regs->errinten);
+ break;
+ }
+
+ return 0;
+}
+
+static int ccf_remove(struct platform_device *pdev)
+{
+ struct ccf_private *ccf = dev_get_drvdata(&pdev->dev);
+
+ switch (ccf->info->version) {
+ case CCF1:
+ iowrite32be(0, &ccf->err_regs->errdis);
+ break;
+
+ case CCF2:
+ /*
+ * We clear errdis on ccf1 because that's the only way to
+ * disable interrupts, but on ccf2 there's no need to disable
+ * detection.
+ */
+ iowrite32be(0, &ccf->err_regs->errinten);
+ break;
+ }
+
+ return 0;
+}
+
+static struct platform_driver ccf_driver = {
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .of_match_table = ccf_matches,
+ },
+ .probe = ccf_probe,
+ .remove = ccf_remove,
+};
+
+module_platform_driver(ccf_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Freescale Semiconductor");
+MODULE_DESCRIPTION("Freescale CoreNet Coherency Fabric error reporting");
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
index fc5413488496..1eedfba2ad3c 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
@@ -41,7 +41,6 @@
#ifdef CONFIG_8xx
#include <asm/8xx_immap.h>
#include <asm/pgtable.h>
-#include <asm/mpc8xx.h>
#include <asm/cpm1.h>
#endif
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
index b4bf02f57d43..90b3b19b7cd3 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
@@ -40,7 +40,6 @@
#ifdef CONFIG_8xx
#include <asm/8xx_immap.h>
#include <asm/pgtable.h>
-#include <asm/mpc8xx.h>
#include <asm/cpm1.h>
#endif
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 51cf8083b299..b0ce7cdee0c2 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -144,16 +144,6 @@ config TCIC
"Bridge" is the name used for the hardware inside your computer that
PCMCIA cards are plugged into. If unsure, say N.
-config PCMCIA_M8XX
- tristate "MPC8xx PCMCIA support"
- depends on PCCARD && PPC && 8xx
- select PCCARD_IODYN if PCMCIA != n
- help
- Say Y here to include support for PowerPC 8xx series PCMCIA
- controller.
-
- This driver is also available as a module called m8xx_pcmcia.
-
config PCMCIA_ALCHEMY_DEVBOARD
tristate "Alchemy Db/Pb1xxx PCMCIA socket services"
depends on MIPS_ALCHEMY && PCMCIA
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index fd55a6951402..27e94b30cf96 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -23,7 +23,6 @@ obj-$(CONFIG_PD6729) += pd6729.o
obj-$(CONFIG_I82365) += i82365.o
obj-$(CONFIG_I82092) += i82092.o
obj-$(CONFIG_TCIC) += tcic.o
-obj-$(CONFIG_PCMCIA_M8XX) += m8xx_pcmcia.o
obj-$(CONFIG_PCMCIA_SOC_COMMON) += soc_common.o
obj-$(CONFIG_PCMCIA_SA11XX_BASE) += sa11xx_base.o
obj-$(CONFIG_PCMCIA_SA1100) += sa1100_cs.o
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
deleted file mode 100644
index 182034d2ef58..000000000000
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ /dev/null
@@ -1,1168 +0,0 @@
-/*
- * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series.
- *
- * (C) 1999-2000 Magnus Damm <damm@opensource.se>
- * (C) 2001-2002 Montavista Software, Inc.
- * <mlocke@mvista.com>
- *
- * Support for two slots by Cyclades Corporation
- * <oliver.kurth@cyclades.de>
- * Further fixes, v2.6 kernel port
- * <marcelo.tosatti@cyclades.com>
- *
- * Some fixes, additions (C) 2005-2007 Montavista Software, Inc.
- * <vbordug@ru.mvista.com>
- *
- * "The ExCA standard specifies that socket controllers should provide
- * two IO and five memory windows per socket, which can be independently
- * configured and positioned in the host address space and mapped to
- * arbitrary segments of card address space. " - David A Hinds. 1999
- *
- * This controller does _not_ meet the ExCA standard.
- *
- * m8xx pcmcia controller brief info:
- * + 8 windows (attrib, mem, i/o)
- * + up to two slots (SLOT_A and SLOT_B)
- * + inputpins, outputpins, event and mask registers.
- * - no offset register. sigh.
- *
- * Because of the lacking offset register we must map the whole card.
- * We assign each memory window PCMCIA_MEM_WIN_SIZE address space.
- * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO
- * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE.
- * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE.
- * They are maximum 64KByte each...
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/string.h>
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/timer.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/fsl_devices.h>
-#include <linux/bitops.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
-
-#include <asm/io.h>
-#include <asm/time.h>
-#include <asm/mpc8xx.h>
-#include <asm/8xx_immap.h>
-#include <asm/irq.h>
-#include <asm/fs_pd.h>
-
-#include <pcmcia/ss.h>
-
-#define pcmcia_info(args...) printk(KERN_INFO "m8xx_pcmcia: "args)
-#define pcmcia_error(args...) printk(KERN_ERR "m8xx_pcmcia: "args)
-
-static const char *version = "Version 0.06, Aug 2005";
-MODULE_LICENSE("Dual MPL/GPL");
-
-#if !defined(CONFIG_PCMCIA_SLOT_A) && !defined(CONFIG_PCMCIA_SLOT_B)
-
-/* The ADS board use SLOT_A */
-#ifdef CONFIG_ADS
-#define CONFIG_PCMCIA_SLOT_A
-#define CONFIG_BD_IS_MHZ
-#endif
-
-/* The FADS series are a mess */
-#ifdef CONFIG_FADS
-#if defined(CONFIG_MPC860T) || defined(CONFIG_MPC860) || defined(CONFIG_MPC821)
-#define CONFIG_PCMCIA_SLOT_A
-#else
-#define CONFIG_PCMCIA_SLOT_B
-#endif
-#endif
-
-#if defined(CONFIG_MPC885ADS)
-#define CONFIG_PCMCIA_SLOT_A
-#define PCMCIA_GLITCHY_CD
-#endif
-
-/* Cyclades ACS uses both slots */
-#ifdef CONFIG_PRxK
-#define CONFIG_PCMCIA_SLOT_A
-#define CONFIG_PCMCIA_SLOT_B
-#endif
-
-#endif /* !defined(CONFIG_PCMCIA_SLOT_A) && !defined(CONFIG_PCMCIA_SLOT_B) */
-
-#if defined(CONFIG_PCMCIA_SLOT_A) && defined(CONFIG_PCMCIA_SLOT_B)
-
-#define PCMCIA_SOCKETS_NO 2
-/* We have only 8 windows, dualsocket support will be limited. */
-#define PCMCIA_MEM_WIN_NO 2
-#define PCMCIA_IO_WIN_NO 2
-#define PCMCIA_SLOT_MSG "SLOT_A and SLOT_B"
-
-#elif defined(CONFIG_PCMCIA_SLOT_A) || defined(CONFIG_PCMCIA_SLOT_B)
-
-#define PCMCIA_SOCKETS_NO 1
-/* full support for one slot */
-#define PCMCIA_MEM_WIN_NO 5
-#define PCMCIA_IO_WIN_NO 2
-
-/* define _slot_ to be able to optimize macros */
-
-#ifdef CONFIG_PCMCIA_SLOT_A
-#define _slot_ 0
-#define PCMCIA_SLOT_MSG "SLOT_A"
-#else
-#define _slot_ 1
-#define PCMCIA_SLOT_MSG "SLOT_B"
-#endif
-
-#else
-#error m8xx_pcmcia: Bad configuration!
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-#define PCMCIA_MEM_WIN_BASE 0xe0000000 /* base address for memory window 0 */
-#define PCMCIA_MEM_WIN_SIZE 0x04000000 /* each memory window is 64 MByte */
-#define PCMCIA_IO_WIN_BASE _IO_BASE /* base address for io window 0 */
-/* ------------------------------------------------------------------------- */
-
-static int pcmcia_schlvl;
-
-static DEFINE_SPINLOCK(events_lock);
-
-#define PCMCIA_SOCKET_KEY_5V 1
-#define PCMCIA_SOCKET_KEY_LV 2
-
-/* look up table for pgcrx registers */
-static u32 *m8xx_pgcrx[2];
-
-/*
- * This structure is used to address each window in the PCMCIA controller.
- *
- * Keep in mind that we assume that pcmcia_win[n+1] is mapped directly
- * after pcmcia_win[n]...
- */
-
-struct pcmcia_win {
- u32 br;
- u32 or;
-};
-
-/*
- * For some reason the hardware guys decided to make both slots share
- * some registers.
- *
- * Could someone invent object oriented hardware ?
- *
- * The macros are used to get the right bit from the registers.
- * SLOT_A : slot = 0
- * SLOT_B : slot = 1
- */
-
-#define M8XX_PCMCIA_VS1(slot) (0x80000000 >> (slot << 4))
-#define M8XX_PCMCIA_VS2(slot) (0x40000000 >> (slot << 4))
-#define M8XX_PCMCIA_VS_MASK(slot) (0xc0000000 >> (slot << 4))
-#define M8XX_PCMCIA_VS_SHIFT(slot) (30 - (slot << 4))
-
-#define M8XX_PCMCIA_WP(slot) (0x20000000 >> (slot << 4))
-#define M8XX_PCMCIA_CD2(slot) (0x10000000 >> (slot << 4))
-#define M8XX_PCMCIA_CD1(slot) (0x08000000 >> (slot << 4))
-#define M8XX_PCMCIA_BVD2(slot) (0x04000000 >> (slot << 4))
-#define M8XX_PCMCIA_BVD1(slot) (0x02000000 >> (slot << 4))
-#define M8XX_PCMCIA_RDY(slot) (0x01000000 >> (slot << 4))
-#define M8XX_PCMCIA_RDY_L(slot) (0x00800000 >> (slot << 4))
-#define M8XX_PCMCIA_RDY_H(slot) (0x00400000 >> (slot << 4))
-#define M8XX_PCMCIA_RDY_R(slot) (0x00200000 >> (slot << 4))
-#define M8XX_PCMCIA_RDY_F(slot) (0x00100000 >> (slot << 4))
-#define M8XX_PCMCIA_MASK(slot) (0xFFFF0000 >> (slot << 4))
-
-#define M8XX_PCMCIA_POR_VALID 0x00000001
-#define M8XX_PCMCIA_POR_WRPROT 0x00000002
-#define M8XX_PCMCIA_POR_ATTRMEM 0x00000010
-#define M8XX_PCMCIA_POR_IO 0x00000018
-#define M8XX_PCMCIA_POR_16BIT 0x00000040
-
-#define M8XX_PGCRX(slot) m8xx_pgcrx[slot]
-
-#define M8XX_PGCRX_CXOE 0x00000080
-#define M8XX_PGCRX_CXRESET 0x00000040
-
-/* we keep one lookup table per socket to check flags */
-
-#define PCMCIA_EVENTS_MAX 5 /* 4 max at a time + termination */
-
-struct event_table {
- u32 regbit;
- u32 eventbit;
-};
-
-static const char driver_name[] = "m8xx-pcmcia";
-
-struct socket_info {
- void (*handler) (void *info, u32 events);
- void *info;
-
- u32 slot;
- pcmconf8xx_t *pcmcia;
- u32 bus_freq;
- int hwirq;
-
- socket_state_t state;
- struct pccard_mem_map mem_win[PCMCIA_MEM_WIN_NO];
- struct pccard_io_map io_win[PCMCIA_IO_WIN_NO];
- struct event_table events[PCMCIA_EVENTS_MAX];
- struct pcmcia_socket socket;
-};
-
-static struct socket_info socket[PCMCIA_SOCKETS_NO];
-
-/*
- * Search this table to see if the windowsize is
- * supported...
- */
-
-#define M8XX_SIZES_NO 32
-
-static const u32 m8xx_size_to_gray[M8XX_SIZES_NO] = {
- 0x00000001, 0x00000002, 0x00000008, 0x00000004,
- 0x00000080, 0x00000040, 0x00000010, 0x00000020,
- 0x00008000, 0x00004000, 0x00001000, 0x00002000,
- 0x00000100, 0x00000200, 0x00000800, 0x00000400,
-
- 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x01000000, 0x02000000, 0xffffffff, 0x04000000,
- 0x00010000, 0x00020000, 0x00080000, 0x00040000,
- 0x00800000, 0x00400000, 0x00100000, 0x00200000
-};
-
-/* ------------------------------------------------------------------------- */
-
-static irqreturn_t m8xx_interrupt(int irq, void *dev);
-
-#define PCMCIA_BMT_LIMIT (15*4) /* Bus Monitor Timeout value */
-
-/* FADS Boards from Motorola */
-
-#if defined(CONFIG_FADS)
-
-#define PCMCIA_BOARD_MSG "FADS"
-
-static int voltage_set(int slot, int vcc, int vpp)
-{
- u32 reg = 0;
-
- switch (vcc) {
- case 0:
- break;
- case 33:
- reg |= BCSR1_PCCVCC0;
- break;
- case 50:
- reg |= BCSR1_PCCVCC1;
- break;
- default:
- return 1;
- }
-
- switch (vpp) {
- case 0:
- break;
- case 33:
- case 50:
- if (vcc == vpp)
- reg |= BCSR1_PCCVPP1;
- else
- return 1;
- break;
- case 120:
- if ((vcc == 33) || (vcc == 50))
- reg |= BCSR1_PCCVPP0;
- else
- return 1;
- default:
- return 1;
- }
-
- /* first, turn off all power */
- out_be32((u32 *) BCSR1,
- in_be32((u32 *) BCSR1) & ~(BCSR1_PCCVCC_MASK |
- BCSR1_PCCVPP_MASK));
-
- /* enable new powersettings */
- out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) | reg);
-
- return 0;
-}
-
-#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
-
-static void hardware_enable(int slot)
-{
- out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) & ~BCSR1_PCCEN);
-}
-
-static void hardware_disable(int slot)
-{
- out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) | BCSR1_PCCEN);
-}
-
-#endif
-
-/* MPC885ADS Boards */
-
-#if defined(CONFIG_MPC885ADS)
-
-#define PCMCIA_BOARD_MSG "MPC885ADS"
-#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
-
-static inline void hardware_enable(int slot)
-{
- m8xx_pcmcia_ops.hw_ctrl(slot, 1);
-}
-
-static inline void hardware_disable(int slot)
-{
- m8xx_pcmcia_ops.hw_ctrl(slot, 0);
-}
-
-static inline int voltage_set(int slot, int vcc, int vpp)
-{
- return m8xx_pcmcia_ops.voltage_set(slot, vcc, vpp);
-}
-
-#endif
-
-#if defined(CONFIG_PRxK)
-#include <asm/cpld.h>
-extern volatile fpga_pc_regs *fpga_pc;
-
-#define PCMCIA_BOARD_MSG "MPC855T"
-
-static int voltage_set(int slot, int vcc, int vpp)
-{
- u8 reg = 0;
- u8 regread;
- cpld_regs *ccpld = get_cpld();
-
- switch (vcc) {
- case 0:
- break;
- case 33:
- reg |= PCMCIA_VCC_33;
- break;
- case 50:
- reg |= PCMCIA_VCC_50;
- break;
- default:
- return 1;
- }
-
- switch (vpp) {
- case 0:
- break;
- case 33:
- case 50:
- if (vcc == vpp)
- reg |= PCMCIA_VPP_VCC;
- else
- return 1;
- break;
- case 120:
- if ((vcc == 33) || (vcc == 50))
- reg |= PCMCIA_VPP_12;
- else
- return 1;
- default:
- return 1;
- }
-
- reg = reg >> (slot << 2);
- regread = in_8(&ccpld->fpga_pc_ctl);
- if (reg !=
- (regread & ((PCMCIA_VCC_MASK | PCMCIA_VPP_MASK) >> (slot << 2)))) {
- /* enable new powersettings */
- regread =
- regread & ~((PCMCIA_VCC_MASK | PCMCIA_VPP_MASK) >>
- (slot << 2));
- out_8(&ccpld->fpga_pc_ctl, reg | regread);
- msleep(100);
- }
-
- return 0;
-}
-
-#define socket_get(_slot_) PCMCIA_SOCKET_KEY_LV
-#define hardware_enable(_slot_) /* No hardware to enable */
-#define hardware_disable(_slot_) /* No hardware to disable */
-
-#endif /* CONFIG_PRxK */
-
-static u32 pending_events[PCMCIA_SOCKETS_NO];
-static DEFINE_SPINLOCK(pending_event_lock);
-
-static irqreturn_t m8xx_interrupt(int irq, void *dev)
-{
- struct socket_info *s;
- struct event_table *e;
- unsigned int i, events, pscr, pipr, per;
- pcmconf8xx_t *pcmcia = socket[0].pcmcia;
-
- pr_debug("m8xx_pcmcia: Interrupt!\n");
- /* get interrupt sources */
-
- pscr = in_be32(&pcmcia->pcmc_pscr);
- pipr = in_be32(&pcmcia->pcmc_pipr);
- per = in_be32(&pcmcia->pcmc_per);
-
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
- s = &socket[i];
- e = &s->events[0];
- events = 0;
-
- while (e->regbit) {
- if (pscr & e->regbit)
- events |= e->eventbit;
-
- e++;
- }
-
- /*
- * report only if both card detect signals are the same
- * not too nice done,
- * we depend on that CD2 is the bit to the left of CD1...
- */
- if (events & SS_DETECT)
- if (((pipr & M8XX_PCMCIA_CD2(i)) >> 1) ^
- (pipr & M8XX_PCMCIA_CD1(i))) {
- events &= ~SS_DETECT;
- }
-#ifdef PCMCIA_GLITCHY_CD
- /*
- * I've experienced CD problems with my ADS board.
- * We make an extra check to see if there was a
- * real change of Card detection.
- */
-
- if ((events & SS_DETECT) &&
- ((pipr &
- (M8XX_PCMCIA_CD2(i) | M8XX_PCMCIA_CD1(i))) == 0) &&
- (s->state.Vcc | s->state.Vpp)) {
- events &= ~SS_DETECT;
- /*printk( "CD glitch workaround - CD = 0x%08x!\n",
- (pipr & (M8XX_PCMCIA_CD2(i)
- | M8XX_PCMCIA_CD1(i)))); */
- }
-#endif
-
- /* call the handler */
-
- pr_debug("m8xx_pcmcia: slot %u: events = 0x%02x, pscr = 0x%08x, "
- "pipr = 0x%08x\n", i, events, pscr, pipr);
-
- if (events) {
- spin_lock(&pending_event_lock);
- pending_events[i] |= events;
- spin_unlock(&pending_event_lock);
- /*
- * Turn off RDY_L bits in the PER mask on
- * CD interrupt receival.
- *
- * They can generate bad interrupts on the
- * ACS4,8,16,32. - marcelo
- */
- per &= ~M8XX_PCMCIA_RDY_L(0);
- per &= ~M8XX_PCMCIA_RDY_L(1);
-
- out_be32(&pcmcia->pcmc_per, per);
-
- if (events)
- pcmcia_parse_events(&socket[i].socket, events);
- }
- }
-
- /* clear the interrupt sources */
- out_be32(&pcmcia->pcmc_pscr, pscr);
-
- pr_debug("m8xx_pcmcia: Interrupt done.\n");
-
- return IRQ_HANDLED;
-}
-
-static u32 m8xx_get_graycode(u32 size)
-{
- u32 k;
-
- for (k = 0; k < M8XX_SIZES_NO; k++)
- if (m8xx_size_to_gray[k] == size)
- break;
-
- if ((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1))
- k = -1;
-
- return k;
-}
-
-static u32 m8xx_get_speed(u32 ns, u32 is_io, u32 bus_freq)
-{
- u32 reg, clocks, psst, psl, psht;
-
- if (!ns) {
-
- /*
- * We get called with IO maps setup to 0ns
- * if not specified by the user.
- * They should be 255ns.
- */
-
- if (is_io)
- ns = 255;
- else
- ns = 100; /* fast memory if 0 */
- }
-
- /*
- * In PSST, PSL, PSHT fields we tell the controller
- * timing parameters in CLKOUT clock cycles.
- * CLKOUT is the same as GCLK2_50.
- */
-
-/* how we want to adjust the timing - in percent */
-
-#define ADJ 180 /* 80 % longer accesstime - to be sure */
-
- clocks = ((bus_freq / 1000) * ns) / 1000;
- clocks = (clocks * ADJ) / (100 * 1000);
- if (clocks >= PCMCIA_BMT_LIMIT) {
- printk("Max access time limit reached\n");
- clocks = PCMCIA_BMT_LIMIT - 1;
- }
-
- psst = clocks / 7; /* setup time */
- psht = clocks / 7; /* hold time */
- psl = (clocks * 5) / 7; /* strobe length */
-
- psst += clocks - (psst + psht + psl);
-
- reg = psst << 12;
- reg |= psl << 7;
- reg |= psht << 16;
-
- return reg;
-}
-
-static int m8xx_get_status(struct pcmcia_socket *sock, unsigned int *value)
-{
- int lsock = container_of(sock, struct socket_info, socket)->slot;
- struct socket_info *s = &socket[lsock];
- unsigned int pipr, reg;
- pcmconf8xx_t *pcmcia = s->pcmcia;
-
- pipr = in_be32(&pcmcia->pcmc_pipr);
-
- *value = ((pipr & (M8XX_PCMCIA_CD1(lsock)
- | M8XX_PCMCIA_CD2(lsock))) == 0) ? SS_DETECT : 0;
- *value |= (pipr & M8XX_PCMCIA_WP(lsock)) ? SS_WRPROT : 0;
-
- if (s->state.flags & SS_IOCARD)
- *value |= (pipr & M8XX_PCMCIA_BVD1(lsock)) ? SS_STSCHG : 0;
- else {
- *value |= (pipr & M8XX_PCMCIA_RDY(lsock)) ? SS_READY : 0;
- *value |= (pipr & M8XX_PCMCIA_BVD1(lsock)) ? SS_BATDEAD : 0;
- *value |= (pipr & M8XX_PCMCIA_BVD2(lsock)) ? SS_BATWARN : 0;
- }
-
- if (s->state.Vcc | s->state.Vpp)
- *value |= SS_POWERON;
-
- /*
- * Voltage detection:
- * This driver only supports 16-Bit pc-cards.
- * Cardbus is not handled here.
- *
- * To determine what voltage to use we must read the VS1 and VS2 pin.
- * Depending on what socket type is present,
- * different combinations mean different things.
- *
- * Card Key Socket Key VS1 VS2 Card Vcc for CIS parse
- *
- * 5V 5V, LV* NC NC 5V only 5V (if available)
- *
- * 5V 5V, LV* GND NC 5 or 3.3V as low as possible
- *
- * 5V 5V, LV* GND GND 5, 3.3, x.xV as low as possible
- *
- * LV* 5V - - shall not fit into socket
- *
- * LV* LV* GND NC 3.3V only 3.3V
- *
- * LV* LV* NC GND x.xV x.xV (if avail.)
- *
- * LV* LV* GND GND 3.3 or x.xV as low as possible
- *
- * *LV means Low Voltage
- *
- *
- * That gives us the following table:
- *
- * Socket VS1 VS2 Voltage
- *
- * 5V NC NC 5V
- * 5V NC GND none (should not be possible)
- * 5V GND NC >= 3.3V
- * 5V GND GND >= x.xV
- *
- * LV NC NC 5V (if available)
- * LV NC GND x.xV (if available)
- * LV GND NC 3.3V
- * LV GND GND >= x.xV
- *
- * So, how do I determine if I have a 5V or a LV
- * socket on my board? Look at the socket!
- *
- *
- * Socket with 5V key:
- * ++--------------------------------------------+
- * || |
- * || ||
- * || ||
- * | |
- * +---------------------------------------------+
- *
- * Socket with LV key:
- * ++--------------------------------------------+
- * || |
- * | ||
- * | ||
- * | |
- * +---------------------------------------------+
- *
- *
- * With other words - LV only cards does not fit
- * into the 5V socket!
- */
-
- /* read out VS1 and VS2 */
-
- reg = (pipr & M8XX_PCMCIA_VS_MASK(lsock))
- >> M8XX_PCMCIA_VS_SHIFT(lsock);
-
- if (socket_get(lsock) == PCMCIA_SOCKET_KEY_LV) {
- switch (reg) {
- case 1:
- *value |= SS_3VCARD;
- break; /* GND, NC - 3.3V only */
- case 2:
- *value |= SS_XVCARD;
- break; /* NC. GND - x.xV only */
- };
- }
-
- pr_debug("m8xx_pcmcia: GetStatus(%d) = %#2.2x\n", lsock, *value);
- return 0;
-}
-
-static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t * state)
-{
- int lsock = container_of(sock, struct socket_info, socket)->slot;
- struct socket_info *s = &socket[lsock];
- struct event_table *e;
- unsigned int reg;
- unsigned long flags;
- pcmconf8xx_t *pcmcia = socket[0].pcmcia;
-
- pr_debug("m8xx_pcmcia: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
- "io_irq %d, csc_mask %#2.2x)\n", lsock, state->flags,
- state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
-
- /* First, set voltage - bail out if invalid */
- if (voltage_set(lsock, state->Vcc, state->Vpp))
- return -EINVAL;
-
- /* Take care of reset... */
- if (state->flags & SS_RESET)
- out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXRESET); /* active high */
- else
- out_be32(M8XX_PGCRX(lsock),
- in_be32(M8XX_PGCRX(lsock)) & ~M8XX_PGCRX_CXRESET);
-
- /* ... and output enable. */
-
- /* The CxOE signal is connected to a 74541 on the ADS.
- I guess most other boards used the ADS as a reference.
- I tried to control the CxOE signal with SS_OUTPUT_ENA,
- but the reset signal seems connected via the 541.
- If the CxOE is left high are some signals tristated and
- no pullups are present -> the cards act weird.
- So right now the buffers are enabled if the power is on. */
-
- if (state->Vcc || state->Vpp)
- out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) & ~M8XX_PGCRX_CXOE); /* active low */
- else
- out_be32(M8XX_PGCRX(lsock),
- in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXOE);
-
- /*
- * We'd better turn off interrupts before
- * we mess with the events-table..
- */
-
- spin_lock_irqsave(&events_lock, flags);
-
- /*
- * Play around with the interrupt mask to be able to
- * give the events the generic pcmcia driver wants us to.
- */
-
- e = &s->events[0];
- reg = 0;
-
- if (state->csc_mask & SS_DETECT) {
- e->eventbit = SS_DETECT;
- reg |= e->regbit = (M8XX_PCMCIA_CD2(lsock)
- | M8XX_PCMCIA_CD1(lsock));
- e++;
- }
- if (state->flags & SS_IOCARD) {
- /*
- * I/O card
- */
- if (state->csc_mask & SS_STSCHG) {
- e->eventbit = SS_STSCHG;
- reg |= e->regbit = M8XX_PCMCIA_BVD1(lsock);
- e++;
- }
- /*
- * If io_irq is non-zero we should enable irq.
- */
- if (state->io_irq) {
- out_be32(M8XX_PGCRX(lsock),
- in_be32(M8XX_PGCRX(lsock)) |
- mk_int_int_mask(s->hwirq) << 24);
- /*
- * Strange thing here:
- * The manual does not tell us which interrupt
- * the sources generate.
- * Anyhow, I found out that RDY_L generates IREQLVL.
- *
- * We use level triggerd interrupts, and they don't
- * have to be cleared in PSCR in the interrupt handler.
- */
- reg |= M8XX_PCMCIA_RDY_L(lsock);
- } else
- out_be32(M8XX_PGCRX(lsock),
- in_be32(M8XX_PGCRX(lsock)) & 0x00ffffff);
- } else {
- /*
- * Memory card
- */
- if (state->csc_mask & SS_BATDEAD) {
- e->eventbit = SS_BATDEAD;
- reg |= e->regbit = M8XX_PCMCIA_BVD1(lsock);
- e++;
- }
- if (state->csc_mask & SS_BATWARN) {
- e->eventbit = SS_BATWARN;
- reg |= e->regbit = M8XX_PCMCIA_BVD2(lsock);
- e++;
- }
- /* What should I trigger on - low/high,raise,fall? */
- if (state->csc_mask & SS_READY) {
- e->eventbit = SS_READY;
- reg |= e->regbit = 0; //??
- e++;
- }
- }
-
- e->regbit = 0; /* terminate list */
-
- /*
- * Clear the status changed .
- * Port A and Port B share the same port.
- * Writing ones will clear the bits.
- */
-
- out_be32(&pcmcia->pcmc_pscr, reg);
-
- /*
- * Write the mask.
- * Port A and Port B share the same port.
- * Need for read-modify-write.
- * Ones will enable the interrupt.
- */
-
- reg |=
- in_be32(&pcmcia->
- pcmc_per) & (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
- out_be32(&pcmcia->pcmc_per, reg);
-
- spin_unlock_irqrestore(&events_lock, flags);
-
- /* copy the struct and modify the copy */
-
- s->state = *state;
-
- return 0;
-}
-
-static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
-{
- int lsock = container_of(sock, struct socket_info, socket)->slot;
-
- struct socket_info *s = &socket[lsock];
- struct pcmcia_win *w;
- unsigned int reg, winnr;
- pcmconf8xx_t *pcmcia = s->pcmcia;
-
-#define M8XX_SIZE (io->stop - io->start + 1)
-#define M8XX_BASE (PCMCIA_IO_WIN_BASE + io->start)
-
- pr_debug("m8xx_pcmcia: SetIOMap(%d, %d, %#2.2x, %d ns, "
- "%#4.4llx-%#4.4llx)\n", lsock, io->map, io->flags,
- io->speed, (unsigned long long)io->start,
- (unsigned long long)io->stop);
-
- if ((io->map >= PCMCIA_IO_WIN_NO) || (io->start > 0xffff)
- || (io->stop > 0xffff) || (io->stop < io->start))
- return -EINVAL;
-
- if ((reg = m8xx_get_graycode(M8XX_SIZE)) == -1)
- return -EINVAL;
-
- if (io->flags & MAP_ACTIVE) {
-
- pr_debug("m8xx_pcmcia: io->flags & MAP_ACTIVE\n");
-
- winnr = (PCMCIA_MEM_WIN_NO * PCMCIA_SOCKETS_NO)
- + (lsock * PCMCIA_IO_WIN_NO) + io->map;
-
- /* setup registers */
-
- w = (void *)&pcmcia->pcmc_pbr0;
- w += winnr;
-
- out_be32(&w->or, 0); /* turn off window first */
- out_be32(&w->br, M8XX_BASE);
-
- reg <<= 27;
- reg |= M8XX_PCMCIA_POR_IO | (lsock << 2);
-
- reg |= m8xx_get_speed(io->speed, 1, s->bus_freq);
-
- if (io->flags & MAP_WRPROT)
- reg |= M8XX_PCMCIA_POR_WRPROT;
-
- /*if(io->flags & (MAP_16BIT | MAP_AUTOSZ)) */
- if (io->flags & MAP_16BIT)
- reg |= M8XX_PCMCIA_POR_16BIT;
-
- if (io->flags & MAP_ACTIVE)
- reg |= M8XX_PCMCIA_POR_VALID;
-
- out_be32(&w->or, reg);
-
- pr_debug("m8xx_pcmcia: Socket %u: Mapped io window %u at "
- "%#8.8x, OR = %#8.8x.\n", lsock, io->map, w->br, w->or);
- } else {
- /* shutdown IO window */
- winnr = (PCMCIA_MEM_WIN_NO * PCMCIA_SOCKETS_NO)
- + (lsock * PCMCIA_IO_WIN_NO) + io->map;
-
- /* setup registers */
-
- w = (void *)&pcmcia->pcmc_pbr0;
- w += winnr;
-
- out_be32(&w->or, 0); /* turn off window */
- out_be32(&w->br, 0); /* turn off base address */
-
- pr_debug("m8xx_pcmcia: Socket %u: Unmapped io window %u at "
- "%#8.8x, OR = %#8.8x.\n", lsock, io->map, w->br, w->or);
- }
-
- /* copy the struct and modify the copy */
- s->io_win[io->map] = *io;
- s->io_win[io->map].flags &= (MAP_WRPROT | MAP_16BIT | MAP_ACTIVE);
- pr_debug("m8xx_pcmcia: SetIOMap exit\n");
-
- return 0;
-}
-
-static int m8xx_set_mem_map(struct pcmcia_socket *sock,
- struct pccard_mem_map *mem)
-{
- int lsock = container_of(sock, struct socket_info, socket)->slot;
- struct socket_info *s = &socket[lsock];
- struct pcmcia_win *w;
- struct pccard_mem_map *old;
- unsigned int reg, winnr;
- pcmconf8xx_t *pcmcia = s->pcmcia;
-
- pr_debug("m8xx_pcmcia: SetMemMap(%d, %d, %#2.2x, %d ns, "
- "%#5.5llx, %#5.5x)\n", lsock, mem->map, mem->flags,
- mem->speed, (unsigned long long)mem->static_start,
- mem->card_start);
-
- if ((mem->map >= PCMCIA_MEM_WIN_NO)
-// || ((mem->s) >= PCMCIA_MEM_WIN_SIZE)
- || (mem->card_start >= 0x04000000)
- || (mem->static_start & 0xfff) /* 4KByte resolution */
- ||(mem->card_start & 0xfff))
- return -EINVAL;
-
- if ((reg = m8xx_get_graycode(PCMCIA_MEM_WIN_SIZE)) == -1) {
- printk("Cannot set size to 0x%08x.\n", PCMCIA_MEM_WIN_SIZE);
- return -EINVAL;
- }
- reg <<= 27;
-
- winnr = (lsock * PCMCIA_MEM_WIN_NO) + mem->map;
-
- /* Setup the window in the pcmcia controller */
-
- w = (void *)&pcmcia->pcmc_pbr0;
- w += winnr;
-
- reg |= lsock << 2;
-
- reg |= m8xx_get_speed(mem->speed, 0, s->bus_freq);
-
- if (mem->flags & MAP_ATTRIB)
- reg |= M8XX_PCMCIA_POR_ATTRMEM;
-
- if (mem->flags & MAP_WRPROT)
- reg |= M8XX_PCMCIA_POR_WRPROT;
-
- if (mem->flags & MAP_16BIT)
- reg |= M8XX_PCMCIA_POR_16BIT;
-
- if (mem->flags & MAP_ACTIVE)
- reg |= M8XX_PCMCIA_POR_VALID;
-
- out_be32(&w->or, reg);
-
- pr_debug("m8xx_pcmcia: Socket %u: Mapped memory window %u at %#8.8x, "
- "OR = %#8.8x.\n", lsock, mem->map, w->br, w->or);
-
- if (mem->flags & MAP_ACTIVE) {
- /* get the new base address */
- mem->static_start = PCMCIA_MEM_WIN_BASE +
- (PCMCIA_MEM_WIN_SIZE * winnr)
- + mem->card_start;
- }
-
- pr_debug("m8xx_pcmcia: SetMemMap(%d, %d, %#2.2x, %d ns, "
- "%#5.5llx, %#5.5x)\n", lsock, mem->map, mem->flags,
- mem->speed, (unsigned long long)mem->static_start,
- mem->card_start);
-
- /* copy the struct and modify the copy */
-
- old = &s->mem_win[mem->map];
-
- *old = *mem;
- old->flags &= (MAP_ATTRIB | MAP_WRPROT | MAP_16BIT | MAP_ACTIVE);
-
- return 0;
-}
-
-static int m8xx_sock_init(struct pcmcia_socket *sock)
-{
- int i;
- pccard_io_map io = { 0, 0, 0, 0, 1 };
- pccard_mem_map mem = { 0, 0, 0, 0, 0, 0 };
-
- pr_debug("m8xx_pcmcia: sock_init(%d)\n", s);
-
- m8xx_set_socket(sock, &dead_socket);
- for (i = 0; i < PCMCIA_IO_WIN_NO; i++) {
- io.map = i;
- m8xx_set_io_map(sock, &io);
- }
- for (i = 0; i < PCMCIA_MEM_WIN_NO; i++) {
- mem.map = i;
- m8xx_set_mem_map(sock, &mem);
- }
-
- return 0;
-
-}
-
-static int m8xx_sock_suspend(struct pcmcia_socket *sock)
-{
- return m8xx_set_socket(sock, &dead_socket);
-}
-
-static struct pccard_operations m8xx_services = {
- .init = m8xx_sock_init,
- .suspend = m8xx_sock_suspend,
- .get_status = m8xx_get_status,
- .set_socket = m8xx_set_socket,
- .set_io_map = m8xx_set_io_map,
- .set_mem_map = m8xx_set_mem_map,
-};
-
-static int __init m8xx_probe(struct platform_device *ofdev)
-{
- struct pcmcia_win *w;
- unsigned int i, m, hwirq;
- pcmconf8xx_t *pcmcia;
- int status;
- struct device_node *np = ofdev->dev.of_node;
-
- pcmcia_info("%s\n", version);
-
- pcmcia = of_iomap(np, 0);
- if (pcmcia == NULL)
- return -EINVAL;
-
- pcmcia_schlvl = irq_of_parse_and_map(np, 0);
- hwirq = irq_map[pcmcia_schlvl].hwirq;
- if (pcmcia_schlvl < 0) {
- iounmap(pcmcia);
- return -EINVAL;
- }
-
- m8xx_pgcrx[0] = &pcmcia->pcmc_pgcra;
- m8xx_pgcrx[1] = &pcmcia->pcmc_pgcrb;
-
- pcmcia_info(PCMCIA_BOARD_MSG " using " PCMCIA_SLOT_MSG
- " with IRQ %u (%d). \n", pcmcia_schlvl, hwirq);
-
- /* Configure Status change interrupt */
-
- if (request_irq(pcmcia_schlvl, m8xx_interrupt, IRQF_SHARED,
- driver_name, socket)) {
- pcmcia_error("Cannot allocate IRQ %u for SCHLVL!\n",
- pcmcia_schlvl);
- iounmap(pcmcia);
- return -1;
- }
-
- w = (void *)&pcmcia->pcmc_pbr0;
-
- out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
- clrbits32(&pcmcia->pcmc_per, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
-
- /* connect interrupt and disable CxOE */
-
- out_be32(M8XX_PGCRX(0),
- M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));
- out_be32(M8XX_PGCRX(1),
- M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));
-
- /* initialize the fixed memory windows */
-
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
- for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
- out_be32(&w->br, PCMCIA_MEM_WIN_BASE +
- (PCMCIA_MEM_WIN_SIZE
- * (m + i * PCMCIA_MEM_WIN_NO)));
-
- out_be32(&w->or, 0); /* set to not valid */
-
- w++;
- }
- }
-
- /* turn off voltage */
- voltage_set(0, 0, 0);
- voltage_set(1, 0, 0);
-
- /* Enable external hardware */
- hardware_enable(0);
- hardware_enable(1);
-
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
- socket[i].slot = i;
- socket[i].socket.owner = THIS_MODULE;
- socket[i].socket.features =
- SS_CAP_PCCARD | SS_CAP_MEM_ALIGN | SS_CAP_STATIC_MAP;
- socket[i].socket.irq_mask = 0x000;
- socket[i].socket.map_size = 0x1000;
- socket[i].socket.io_offset = 0;
- socket[i].socket.pci_irq = pcmcia_schlvl;
- socket[i].socket.ops = &m8xx_services;
- socket[i].socket.resource_ops = &pccard_iodyn_ops;
- socket[i].socket.cb_dev = NULL;
- socket[i].socket.dev.parent = &ofdev->dev;
- socket[i].pcmcia = pcmcia;
- socket[i].bus_freq = ppc_proc_freq;
- socket[i].hwirq = hwirq;
-
- }
-
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
- status = pcmcia_register_socket(&socket[i].socket);
- if (status < 0)
- pcmcia_error("Socket register failed\n");
- }
-
- return 0;
-}
-
-static int m8xx_remove(struct platform_device *ofdev)
-{
- u32 m, i;
- struct pcmcia_win *w;
- pcmconf8xx_t *pcmcia = socket[0].pcmcia;
-
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
- w = (void *)&pcmcia->pcmc_pbr0;
-
- out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(i));
- out_be32(&pcmcia->pcmc_per,
- in_be32(&pcmcia->pcmc_per) & ~M8XX_PCMCIA_MASK(i));
-
- /* turn off interrupt and disable CxOE */
- out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE);
-
- /* turn off memory windows */
- for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
- out_be32(&w->or, 0); /* set to not valid */
- w++;
- }
-
- /* turn off voltage */
- voltage_set(i, 0, 0);
-
- /* disable external hardware */
- hardware_disable(i);
- }
- for (i = 0; i < PCMCIA_SOCKETS_NO; i++)
- pcmcia_unregister_socket(&socket[i].socket);
- iounmap(pcmcia);
-
- free_irq(pcmcia_schlvl, NULL);
-
- return 0;
-}
-
-static const struct of_device_id m8xx_pcmcia_match[] = {
- {
- .type = "pcmcia",
- .compatible = "fsl,pq-pcmcia",
- },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match);
-
-static struct platform_driver m8xx_pcmcia_driver = {
- .driver = {
- .name = driver_name,
- .owner = THIS_MODULE,
- .of_match_table = m8xx_pcmcia_match,
- },
- .probe = m8xx_probe,
- .remove = m8xx_remove,
-};
-
-module_platform_driver(m8xx_pcmcia_driver);
diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile
index 72bfabc8629e..50e30bc75e85 100644
--- a/drivers/vfio/Makefile
+++ b/drivers/vfio/Makefile
@@ -1,4 +1,5 @@
obj-$(CONFIG_VFIO) += vfio.o
obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o
obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o
+obj-$(CONFIG_EEH) += vfio_spapr_eeh.o
obj-$(CONFIG_VFIO_PCI) += pci/
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 010e0f8b8e4f..e2ee80f36e3e 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -157,8 +157,10 @@ static void vfio_pci_release(void *device_data)
{
struct vfio_pci_device *vdev = device_data;
- if (atomic_dec_and_test(&vdev->refcnt))
+ if (atomic_dec_and_test(&vdev->refcnt)) {
+ vfio_spapr_pci_eeh_release(vdev->pdev);
vfio_pci_disable(vdev);
+ }
module_put(THIS_MODULE);
}
@@ -166,19 +168,27 @@ static void vfio_pci_release(void *device_data)
static int vfio_pci_open(void *device_data)
{
struct vfio_pci_device *vdev = device_data;
+ int ret;
if (!try_module_get(THIS_MODULE))
return -ENODEV;
if (atomic_inc_return(&vdev->refcnt) == 1) {
- int ret = vfio_pci_enable(vdev);
+ ret = vfio_pci_enable(vdev);
+ if (ret)
+ goto error;
+
+ ret = vfio_spapr_pci_eeh_open(vdev->pdev);
if (ret) {
- module_put(THIS_MODULE);
- return ret;
+ vfio_pci_disable(vdev);
+ goto error;
}
}
return 0;
+error:
+ module_put(THIS_MODULE);
+ return ret;
}
static int vfio_pci_get_irq_count(struct vfio_pci_device *vdev, int irq_type)
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index a84788ba662c..730b4ef3e0cc 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -156,7 +156,16 @@ static long tce_iommu_ioctl(void *iommu_data,
switch (cmd) {
case VFIO_CHECK_EXTENSION:
- return (arg == VFIO_SPAPR_TCE_IOMMU) ? 1 : 0;
+ switch (arg) {
+ case VFIO_SPAPR_TCE_IOMMU:
+ ret = 1;
+ break;
+ default:
+ ret = vfio_spapr_iommu_eeh_ioctl(NULL, cmd, arg);
+ break;
+ }
+
+ return (ret < 0) ? 0 : ret;
case VFIO_IOMMU_SPAPR_TCE_GET_INFO: {
struct vfio_iommu_spapr_tce_info info;
@@ -283,6 +292,12 @@ static long tce_iommu_ioctl(void *iommu_data,
tce_iommu_disable(container);
mutex_unlock(&container->lock);
return 0;
+ case VFIO_EEH_PE_OP:
+ if (!container->tbl || !container->tbl->it_group)
+ return -ENODEV;
+
+ return vfio_spapr_iommu_eeh_ioctl(container->tbl->it_group,
+ cmd, arg);
}
return -ENOTTY;
diff --git a/drivers/vfio/vfio_spapr_eeh.c b/drivers/vfio/vfio_spapr_eeh.c
new file mode 100644
index 000000000000..f834b4ce1431
--- /dev/null
+++ b/drivers/vfio/vfio_spapr_eeh.c
@@ -0,0 +1,87 @@
+/*
+ * EEH functionality support for VFIO devices. The feature is only
+ * available on sPAPR compatible platforms.
+ *
+ * Copyright Gavin Shan, IBM Corporation 2014.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/uaccess.h>
+#include <linux/vfio.h>
+#include <asm/eeh.h>
+
+/* We might build address mapping here for "fast" path later */
+int vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
+{
+ return eeh_dev_open(pdev);
+}
+
+void vfio_spapr_pci_eeh_release(struct pci_dev *pdev)
+{
+ eeh_dev_release(pdev);
+}
+
+long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
+ unsigned int cmd, unsigned long arg)
+{
+ struct eeh_pe *pe;
+ struct vfio_eeh_pe_op op;
+ unsigned long minsz;
+ long ret = -EINVAL;
+
+ switch (cmd) {
+ case VFIO_CHECK_EXTENSION:
+ if (arg == VFIO_EEH)
+ ret = eeh_enabled() ? 1 : 0;
+ else
+ ret = 0;
+ break;
+ case VFIO_EEH_PE_OP:
+ pe = eeh_iommu_group_to_pe(group);
+ if (!pe)
+ return -ENODEV;
+
+ minsz = offsetofend(struct vfio_eeh_pe_op, op);
+ if (copy_from_user(&op, (void __user *)arg, minsz))
+ return -EFAULT;
+ if (op.argsz < minsz || op.flags)
+ return -EINVAL;
+
+ switch (op.op) {
+ case VFIO_EEH_PE_DISABLE:
+ ret = eeh_pe_set_option(pe, EEH_OPT_DISABLE);
+ break;
+ case VFIO_EEH_PE_ENABLE:
+ ret = eeh_pe_set_option(pe, EEH_OPT_ENABLE);
+ break;
+ case VFIO_EEH_PE_UNFREEZE_IO:
+ ret = eeh_pe_set_option(pe, EEH_OPT_THAW_MMIO);
+ break;
+ case VFIO_EEH_PE_UNFREEZE_DMA:
+ ret = eeh_pe_set_option(pe, EEH_OPT_THAW_DMA);
+ break;
+ case VFIO_EEH_PE_GET_STATE:
+ ret = eeh_pe_get_state(pe);
+ break;
+ case VFIO_EEH_PE_RESET_DEACTIVATE:
+ ret = eeh_pe_reset(pe, EEH_RESET_DEACTIVATE);
+ break;
+ case VFIO_EEH_PE_RESET_HOT:
+ ret = eeh_pe_reset(pe, EEH_RESET_HOT);
+ break;
+ case VFIO_EEH_PE_RESET_FUNDAMENTAL:
+ ret = eeh_pe_reset(pe, EEH_RESET_FUNDAMENTAL);
+ break;
+ case VFIO_EEH_PE_CONFIGURE:
+ ret = eeh_pe_configure(pe);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ }
+
+ return ret;
+}
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 8ec980b5e3af..25a0fbd4b998 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -98,4 +98,27 @@ extern int vfio_external_user_iommu_id(struct vfio_group *group);
extern long vfio_external_check_extension(struct vfio_group *group,
unsigned long arg);
+#ifdef CONFIG_EEH
+extern int vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
+extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev);
+extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
+ unsigned int cmd,
+ unsigned long arg);
+#else
+static inline int vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
+{
+ return 0;
+}
+
+static inline void vfio_spapr_pci_eeh_release(struct pci_dev *pdev)
+{
+}
+
+static inline long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
+ unsigned int cmd,
+ unsigned long arg)
+{
+ return -ENOTTY;
+}
+#endif /* CONFIG_EEH */
#endif /* VFIO_H */
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index cb9023d4f063..6612974c64bf 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -30,6 +30,9 @@
*/
#define VFIO_DMA_CC_IOMMU 4
+/* Check if EEH is supported */
+#define VFIO_EEH 5
+
/*
* The IOCTL interface is designed for extensibility by embedding the
* structure length (argsz) and flags into structures passed between
@@ -455,6 +458,37 @@ struct vfio_iommu_spapr_tce_info {
#define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
+/*
+ * EEH PE operation struct provides ways to:
+ * - enable/disable EEH functionality;
+ * - unfreeze IO/DMA for frozen PE;
+ * - read PE state;
+ * - reset PE;
+ * - configure PE.
+ */
+struct vfio_eeh_pe_op {
+ __u32 argsz;
+ __u32 flags;
+ __u32 op;
+};
+
+#define VFIO_EEH_PE_DISABLE 0 /* Disable EEH functionality */
+#define VFIO_EEH_PE_ENABLE 1 /* Enable EEH functionality */
+#define VFIO_EEH_PE_UNFREEZE_IO 2 /* Enable IO for frozen PE */
+#define VFIO_EEH_PE_UNFREEZE_DMA 3 /* Enable DMA for frozen PE */
+#define VFIO_EEH_PE_GET_STATE 4 /* PE state retrieval */
+#define VFIO_EEH_PE_STATE_NORMAL 0 /* PE in functional state */
+#define VFIO_EEH_PE_STATE_RESET 1 /* PE reset in progress */
+#define VFIO_EEH_PE_STATE_STOPPED 2 /* Stopped DMA and IO */
+#define VFIO_EEH_PE_STATE_STOPPED_DMA 4 /* Stopped DMA only */
+#define VFIO_EEH_PE_STATE_UNAVAIL 5 /* State unavailable */
+#define VFIO_EEH_PE_RESET_DEACTIVATE 5 /* Deassert PE reset */
+#define VFIO_EEH_PE_RESET_HOT 6 /* Assert hot reset */
+#define VFIO_EEH_PE_RESET_FUNDAMENTAL 7 /* Assert fundamental reset */
+#define VFIO_EEH_PE_CONFIGURE 8 /* PE configuration */
+
+#define VFIO_EEH_PE_OP _IO(VFIO_TYPE, VFIO_BASE + 21)
+
/* ***************************************************************** */
#endif /* _UAPIVFIO_H */
diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index 54833a791a44..74a78cedce37 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -17,10 +17,10 @@ TARGETS = pmu copyloops mm tm
endif
-all:
- @for TARGET in $(TARGETS); do \
- $(MAKE) -C $$TARGET all; \
- done;
+all: $(TARGETS)
+
+$(TARGETS):
+ $(MAKE) -k -C $@ all
run_tests: all
@for TARGET in $(TARGETS); do \
@@ -36,4 +36,4 @@ clean:
tags:
find . -name '*.c' -o -name '*.h' | xargs ctags
-.PHONY: all run_tests clean tags
+.PHONY: all run_tests clean tags $(TARGETS)
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile
index b9ff0db42c79..c9f4263906a5 100644
--- a/tools/testing/selftests/powerpc/pmu/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/Makefile
@@ -1,10 +1,12 @@
noarg:
$(MAKE) -C ../
-PROGS := count_instructions
-EXTRA_SOURCES := ../harness.c event.c
+PROGS := count_instructions l3_bank_test per_event_excludes
+EXTRA_SOURCES := ../harness.c event.c lib.c
-all: $(PROGS) sub_all
+SUB_TARGETS = ebb
+
+all: $(PROGS) $(SUB_TARGETS)
$(PROGS): $(EXTRA_SOURCES)
@@ -20,13 +22,8 @@ run_tests: all sub_run_tests
clean: sub_clean
rm -f $(PROGS) loop.o
-
-SUB_TARGETS = ebb
-
-sub_all:
- @for TARGET in $(SUB_TARGETS); do \
- $(MAKE) -C $$TARGET all; \
- done;
+$(SUB_TARGETS):
+ $(MAKE) -k -C $@ all
sub_run_tests: all
@for TARGET in $(SUB_TARGETS); do \
@@ -38,4 +35,4 @@ sub_clean:
$(MAKE) -C $$TARGET clean; \
done;
-.PHONY: all run_tests clean sub_all sub_run_tests sub_clean
+.PHONY: all run_tests clean sub_run_tests sub_clean $(SUB_TARGETS)
diff --git a/tools/testing/selftests/powerpc/pmu/count_instructions.c b/tools/testing/selftests/powerpc/pmu/count_instructions.c
index 312b4f0fd27c..4622117b24c0 100644
--- a/tools/testing/selftests/powerpc/pmu/count_instructions.c
+++ b/tools/testing/selftests/powerpc/pmu/count_instructions.c
@@ -12,6 +12,7 @@
#include "event.h"
#include "utils.h"
+#include "lib.h"
extern void thirty_two_instruction_loop(u64 loops);
@@ -90,7 +91,7 @@ static u64 determine_overhead(struct event *events)
return overhead;
}
-static int count_instructions(void)
+static int test_body(void)
{
struct event events[2];
u64 overhead;
@@ -111,17 +112,23 @@ static int count_instructions(void)
overhead = determine_overhead(events);
printf("Overhead of null loop: %llu instructions\n", overhead);
- /* Run for 1M instructions */
- FAIL_IF(do_count_loop(events, 0x100000, overhead, true));
+ /* Run for 1Mi instructions */
+ FAIL_IF(do_count_loop(events, 1000000, overhead, true));
+
+ /* Run for 10Mi instructions */
+ FAIL_IF(do_count_loop(events, 10000000, overhead, true));
+
+ /* Run for 100Mi instructions */
+ FAIL_IF(do_count_loop(events, 100000000, overhead, true));
- /* Run for 10M instructions */
- FAIL_IF(do_count_loop(events, 0xa00000, overhead, true));
+ /* Run for 1Bi instructions */
+ FAIL_IF(do_count_loop(events, 1000000000, overhead, true));
- /* Run for 100M instructions */
- FAIL_IF(do_count_loop(events, 0x6400000, overhead, true));
+ /* Run for 16Bi instructions */
+ FAIL_IF(do_count_loop(events, 16000000000, overhead, true));
- /* Run for 1G instructions */
- FAIL_IF(do_count_loop(events, 0x40000000, overhead, true));
+ /* Run for 64Bi instructions */
+ FAIL_IF(do_count_loop(events, 64000000000, overhead, true));
event_close(&events[0]);
event_close(&events[1]);
@@ -129,6 +136,11 @@ static int count_instructions(void)
return 0;
}
+static int count_instructions(void)
+{
+ return eat_cpu(test_body);
+}
+
int main(void)
{
return test_harness(count_instructions, "count_instructions");
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index edbba2affc2c..3dc4332698cb 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -13,11 +13,12 @@ PROGS := reg_access_test event_attributes_test cycles_test \
close_clears_pmcc_test instruction_count_test \
fork_cleanup_test ebb_on_child_test \
ebb_on_willing_child_test back_to_back_ebbs_test \
- lost_exception_test no_handler_test
+ lost_exception_test no_handler_test \
+ cycles_with_mmcr2_test
all: $(PROGS)
-$(PROGS): ../../harness.c ../event.c ../lib.c ebb.c ebb_handler.S trace.c
+$(PROGS): ../../harness.c ../event.c ../lib.c ebb.c ebb_handler.S trace.c busy_loop.S
instruction_count_test: ../loop.S
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S
new file mode 100644
index 000000000000..c7e4093f1cd3
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S
@@ -0,0 +1,271 @@
+/*
+ * Copyright 2014, Michael Ellerman, IBM Corp.
+ * Licensed under GPLv2.
+ */
+
+#include <ppc-asm.h>
+
+ .text
+
+FUNC_START(core_busy_loop)
+ stdu %r1, -168(%r1)
+ std r14, 160(%r1)
+ std r15, 152(%r1)
+ std r16, 144(%r1)
+ std r17, 136(%r1)
+ std r18, 128(%r1)
+ std r19, 120(%r1)
+ std r20, 112(%r1)
+ std r21, 104(%r1)
+ std r22, 96(%r1)
+ std r23, 88(%r1)
+ std r24, 80(%r1)
+ std r25, 72(%r1)
+ std r26, 64(%r1)
+ std r27, 56(%r1)
+ std r28, 48(%r1)
+ std r29, 40(%r1)
+ std r30, 32(%r1)
+ std r31, 24(%r1)
+
+ li r3, 0x3030
+ std r3, -96(%r1)
+ li r4, 0x4040
+ std r4, -104(%r1)
+ li r5, 0x5050
+ std r5, -112(%r1)
+ li r6, 0x6060
+ std r6, -120(%r1)
+ li r7, 0x7070
+ std r7, -128(%r1)
+ li r8, 0x0808
+ std r8, -136(%r1)
+ li r9, 0x0909
+ std r9, -144(%r1)
+ li r10, 0x1010
+ std r10, -152(%r1)
+ li r11, 0x1111
+ std r11, -160(%r1)
+ li r14, 0x1414
+ std r14, -168(%r1)
+ li r15, 0x1515
+ std r15, -176(%r1)
+ li r16, 0x1616
+ std r16, -184(%r1)
+ li r17, 0x1717
+ std r17, -192(%r1)
+ li r18, 0x1818
+ std r18, -200(%r1)
+ li r19, 0x1919
+ std r19, -208(%r1)
+ li r20, 0x2020
+ std r20, -216(%r1)
+ li r21, 0x2121
+ std r21, -224(%r1)
+ li r22, 0x2222
+ std r22, -232(%r1)
+ li r23, 0x2323
+ std r23, -240(%r1)
+ li r24, 0x2424
+ std r24, -248(%r1)
+ li r25, 0x2525
+ std r25, -256(%r1)
+ li r26, 0x2626
+ std r26, -264(%r1)
+ li r27, 0x2727
+ std r27, -272(%r1)
+ li r28, 0x2828
+ std r28, -280(%r1)
+ li r29, 0x2929
+ std r29, -288(%r1)
+ li r30, 0x3030
+ li r31, 0x3131
+
+ li r3, 0
+0: addi r3, r3, 1
+ cmpwi r3, 100
+ blt 0b
+
+ /* Return 1 (fail) unless we get through all the checks */
+ li r3, 1
+
+ /* Check none of our registers have been corrupted */
+ cmpwi r4, 0x4040
+ bne 1f
+ cmpwi r5, 0x5050
+ bne 1f
+ cmpwi r6, 0x6060
+ bne 1f
+ cmpwi r7, 0x7070
+ bne 1f
+ cmpwi r8, 0x0808
+ bne 1f
+ cmpwi r9, 0x0909
+ bne 1f
+ cmpwi r10, 0x1010
+ bne 1f
+ cmpwi r11, 0x1111
+ bne 1f
+ cmpwi r14, 0x1414
+ bne 1f
+ cmpwi r15, 0x1515
+ bne 1f
+ cmpwi r16, 0x1616
+ bne 1f
+ cmpwi r17, 0x1717
+ bne 1f
+ cmpwi r18, 0x1818
+ bne 1f
+ cmpwi r19, 0x1919
+ bne 1f
+ cmpwi r20, 0x2020
+ bne 1f
+ cmpwi r21, 0x2121
+ bne 1f
+ cmpwi r22, 0x2222
+ bne 1f
+ cmpwi r23, 0x2323
+ bne 1f
+ cmpwi r24, 0x2424
+ bne 1f
+ cmpwi r25, 0x2525
+ bne 1f
+ cmpwi r26, 0x2626
+ bne 1f
+ cmpwi r27, 0x2727
+ bne 1f
+ cmpwi r28, 0x2828
+ bne 1f
+ cmpwi r29, 0x2929
+ bne 1f
+ cmpwi r30, 0x3030
+ bne 1f
+ cmpwi r31, 0x3131
+ bne 1f
+
+ /* Load junk into all our registers before we reload them from the stack. */
+ li r3, 0xde
+ li r4, 0xad
+ li r5, 0xbe
+ li r6, 0xef
+ li r7, 0xde
+ li r8, 0xad
+ li r9, 0xbe
+ li r10, 0xef
+ li r11, 0xde
+ li r14, 0xad
+ li r15, 0xbe
+ li r16, 0xef
+ li r17, 0xde
+ li r18, 0xad
+ li r19, 0xbe
+ li r20, 0xef
+ li r21, 0xde
+ li r22, 0xad
+ li r23, 0xbe
+ li r24, 0xef
+ li r25, 0xde
+ li r26, 0xad
+ li r27, 0xbe
+ li r28, 0xef
+ li r29, 0xdd
+
+ ld r3, -96(%r1)
+ cmpwi r3, 0x3030
+ bne 1f
+ ld r4, -104(%r1)
+ cmpwi r4, 0x4040
+ bne 1f
+ ld r5, -112(%r1)
+ cmpwi r5, 0x5050
+ bne 1f
+ ld r6, -120(%r1)
+ cmpwi r6, 0x6060
+ bne 1f
+ ld r7, -128(%r1)
+ cmpwi r7, 0x7070
+ bne 1f
+ ld r8, -136(%r1)
+ cmpwi r8, 0x0808
+ bne 1f
+ ld r9, -144(%r1)
+ cmpwi r9, 0x0909
+ bne 1f
+ ld r10, -152(%r1)
+ cmpwi r10, 0x1010
+ bne 1f
+ ld r11, -160(%r1)
+ cmpwi r11, 0x1111
+ bne 1f
+ ld r14, -168(%r1)
+ cmpwi r14, 0x1414
+ bne 1f
+ ld r15, -176(%r1)
+ cmpwi r15, 0x1515
+ bne 1f
+ ld r16, -184(%r1)
+ cmpwi r16, 0x1616
+ bne 1f
+ ld r17, -192(%r1)
+ cmpwi r17, 0x1717
+ bne 1f
+ ld r18, -200(%r1)
+ cmpwi r18, 0x1818
+ bne 1f
+ ld r19, -208(%r1)
+ cmpwi r19, 0x1919
+ bne 1f
+ ld r20, -216(%r1)
+ cmpwi r20, 0x2020
+ bne 1f
+ ld r21, -224(%r1)
+ cmpwi r21, 0x2121
+ bne 1f
+ ld r22, -232(%r1)
+ cmpwi r22, 0x2222
+ bne 1f
+ ld r23, -240(%r1)
+ cmpwi r23, 0x2323
+ bne 1f
+ ld r24, -248(%r1)
+ cmpwi r24, 0x2424
+ bne 1f
+ ld r25, -256(%r1)
+ cmpwi r25, 0x2525
+ bne 1f
+ ld r26, -264(%r1)
+ cmpwi r26, 0x2626
+ bne 1f
+ ld r27, -272(%r1)
+ cmpwi r27, 0x2727
+ bne 1f
+ ld r28, -280(%r1)
+ cmpwi r28, 0x2828
+ bne 1f
+ ld r29, -288(%r1)
+ cmpwi r29, 0x2929
+ bne 1f
+
+ /* Load 0 (success) to return */
+ li r3, 0
+
+1: ld r14, 160(%r1)
+ ld r15, 152(%r1)
+ ld r16, 144(%r1)
+ ld r17, 136(%r1)
+ ld r18, 128(%r1)
+ ld r19, 120(%r1)
+ ld r20, 112(%r1)
+ ld r21, 104(%r1)
+ ld r22, 96(%r1)
+ ld r23, 88(%r1)
+ ld r24, 80(%r1)
+ ld r25, 72(%r1)
+ ld r26, 64(%r1)
+ ld r27, 56(%r1)
+ ld r28, 48(%r1)
+ ld r29, 40(%r1)
+ ld r30, 32(%r1)
+ ld r31, 24(%r1)
+ addi %r1, %r1, 168
+ blr
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
new file mode 100644
index 000000000000..d43029b0800c
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2014, Michael Ellerman, IBM Corp.
+ * Licensed under GPLv2.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "ebb.h"
+
+
+/*
+ * Test of counting cycles while manipulating the user accessible bits in MMCR2.
+ */
+
+/* We use two values because the first freezes PMC1 and so we would get no EBBs */
+#define MMCR2_EXPECTED_1 0x4020100804020000UL /* (FC1P|FC2P|FC3P|FC4P|FC5P|FC6P) */
+#define MMCR2_EXPECTED_2 0x0020100804020000UL /* ( FC2P|FC3P|FC4P|FC5P|FC6P) */
+
+
+int cycles_with_mmcr2(void)
+{
+ struct event event;
+ uint64_t val, expected[2], actual;
+ int i;
+ bool bad_mmcr2;
+
+ event_init_named(&event, 0x1001e, "cycles");
+ event_leader_ebb_init(&event);
+
+ event.attr.exclude_kernel = 1;
+ event.attr.exclude_hv = 1;
+ event.attr.exclude_idle = 1;
+
+ FAIL_IF(event_open(&event));
+
+ ebb_enable_pmc_counting(1);
+ setup_ebb_handler(standard_ebb_callee);
+ ebb_global_enable();
+
+ FAIL_IF(ebb_event_enable(&event));
+
+ mtspr(SPRN_PMC1, pmc_sample_period(sample_period));
+
+ /* XXX Set of MMCR2 must be after enable */
+ expected[0] = MMCR2_EXPECTED_1;
+ expected[1] = MMCR2_EXPECTED_2;
+ i = 0;
+ bad_mmcr2 = false;
+
+ /* Make sure we loop until we take at least one EBB */
+ while ((ebb_state.stats.ebb_count < 20 && !bad_mmcr2) ||
+ ebb_state.stats.ebb_count < 1)
+ {
+ mtspr(SPRN_MMCR2, expected[i % 2]);
+
+ FAIL_IF(core_busy_loop());
+
+ val = mfspr(SPRN_MMCR2);
+ if (val != expected[i % 2]) {
+ bad_mmcr2 = true;
+ actual = val;
+ }
+
+ i++;
+ }
+
+ ebb_global_disable();
+ ebb_freeze_pmcs();
+
+ count_pmc(1, sample_period);
+
+ dump_ebb_state();
+
+ event_close(&event);
+
+ FAIL_IF(ebb_state.stats.ebb_count == 0);
+
+ if (bad_mmcr2)
+ printf("Bad MMCR2 value seen is 0x%lx\n", actual);
+
+ FAIL_IF(bad_mmcr2);
+
+ return 0;
+}
+
+int main(void)
+{
+ return test_harness(cycles_with_mmcr2, "cycles_with_mmcr2");
+}
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index 1b46be94b64c..d7a72ce696b5 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -224,6 +224,7 @@ void dump_ebb_hw_state(void)
printf("HW state:\n" \
"MMCR0 0x%016x %s\n" \
+ "MMCR2 0x%016lx\n" \
"EBBHR 0x%016lx\n" \
"BESCR 0x%016llx %s\n" \
"PMC1 0x%016lx\n" \
@@ -233,10 +234,11 @@ void dump_ebb_hw_state(void)
"PMC5 0x%016lx\n" \
"PMC6 0x%016lx\n" \
"SIAR 0x%016lx\n",
- mmcr0, decode_mmcr0(mmcr0), mfspr(SPRN_EBBHR), bescr,
- decode_bescr(bescr), mfspr(SPRN_PMC1), mfspr(SPRN_PMC2),
- mfspr(SPRN_PMC3), mfspr(SPRN_PMC4), mfspr(SPRN_PMC5),
- mfspr(SPRN_PMC6), mfspr(SPRN_SIAR));
+ mmcr0, decode_mmcr0(mmcr0), mfspr(SPRN_MMCR2),
+ mfspr(SPRN_EBBHR), bescr, decode_bescr(bescr),
+ mfspr(SPRN_PMC1), mfspr(SPRN_PMC2), mfspr(SPRN_PMC3),
+ mfspr(SPRN_PMC4), mfspr(SPRN_PMC5), mfspr(SPRN_PMC6),
+ mfspr(SPRN_SIAR));
}
void dump_ebb_state(void)
@@ -335,257 +337,6 @@ void event_leader_ebb_init(struct event *e)
e->attr.pinned = 1;
}
-int core_busy_loop(void)
-{
- int rc;
-
- asm volatile (
- "li 3, 0x3030\n"
- "std 3, -96(1)\n"
- "li 4, 0x4040\n"
- "std 4, -104(1)\n"
- "li 5, 0x5050\n"
- "std 5, -112(1)\n"
- "li 6, 0x6060\n"
- "std 6, -120(1)\n"
- "li 7, 0x7070\n"
- "std 7, -128(1)\n"
- "li 8, 0x0808\n"
- "std 8, -136(1)\n"
- "li 9, 0x0909\n"
- "std 9, -144(1)\n"
- "li 10, 0x1010\n"
- "std 10, -152(1)\n"
- "li 11, 0x1111\n"
- "std 11, -160(1)\n"
- "li 14, 0x1414\n"
- "std 14, -168(1)\n"
- "li 15, 0x1515\n"
- "std 15, -176(1)\n"
- "li 16, 0x1616\n"
- "std 16, -184(1)\n"
- "li 17, 0x1717\n"
- "std 17, -192(1)\n"
- "li 18, 0x1818\n"
- "std 18, -200(1)\n"
- "li 19, 0x1919\n"
- "std 19, -208(1)\n"
- "li 20, 0x2020\n"
- "std 20, -216(1)\n"
- "li 21, 0x2121\n"
- "std 21, -224(1)\n"
- "li 22, 0x2222\n"
- "std 22, -232(1)\n"
- "li 23, 0x2323\n"
- "std 23, -240(1)\n"
- "li 24, 0x2424\n"
- "std 24, -248(1)\n"
- "li 25, 0x2525\n"
- "std 25, -256(1)\n"
- "li 26, 0x2626\n"
- "std 26, -264(1)\n"
- "li 27, 0x2727\n"
- "std 27, -272(1)\n"
- "li 28, 0x2828\n"
- "std 28, -280(1)\n"
- "li 29, 0x2929\n"
- "std 29, -288(1)\n"
- "li 30, 0x3030\n"
- "li 31, 0x3131\n"
-
- "li 3, 0\n"
- "0: "
- "addi 3, 3, 1\n"
- "cmpwi 3, 100\n"
- "blt 0b\n"
-
- /* Return 1 (fail) unless we get through all the checks */
- "li 0, 1\n"
-
- /* Check none of our registers have been corrupted */
- "cmpwi 4, 0x4040\n"
- "bne 1f\n"
- "cmpwi 5, 0x5050\n"
- "bne 1f\n"
- "cmpwi 6, 0x6060\n"
- "bne 1f\n"
- "cmpwi 7, 0x7070\n"
- "bne 1f\n"
- "cmpwi 8, 0x0808\n"
- "bne 1f\n"
- "cmpwi 9, 0x0909\n"
- "bne 1f\n"
- "cmpwi 10, 0x1010\n"
- "bne 1f\n"
- "cmpwi 11, 0x1111\n"
- "bne 1f\n"
- "cmpwi 14, 0x1414\n"
- "bne 1f\n"
- "cmpwi 15, 0x1515\n"
- "bne 1f\n"
- "cmpwi 16, 0x1616\n"
- "bne 1f\n"
- "cmpwi 17, 0x1717\n"
- "bne 1f\n"
- "cmpwi 18, 0x1818\n"
- "bne 1f\n"
- "cmpwi 19, 0x1919\n"
- "bne 1f\n"
- "cmpwi 20, 0x2020\n"
- "bne 1f\n"
- "cmpwi 21, 0x2121\n"
- "bne 1f\n"
- "cmpwi 22, 0x2222\n"
- "bne 1f\n"
- "cmpwi 23, 0x2323\n"
- "bne 1f\n"
- "cmpwi 24, 0x2424\n"
- "bne 1f\n"
- "cmpwi 25, 0x2525\n"
- "bne 1f\n"
- "cmpwi 26, 0x2626\n"
- "bne 1f\n"
- "cmpwi 27, 0x2727\n"
- "bne 1f\n"
- "cmpwi 28, 0x2828\n"
- "bne 1f\n"
- "cmpwi 29, 0x2929\n"
- "bne 1f\n"
- "cmpwi 30, 0x3030\n"
- "bne 1f\n"
- "cmpwi 31, 0x3131\n"
- "bne 1f\n"
-
- /* Load junk into all our registers before we reload them from the stack. */
- "li 3, 0xde\n"
- "li 4, 0xad\n"
- "li 5, 0xbe\n"
- "li 6, 0xef\n"
- "li 7, 0xde\n"
- "li 8, 0xad\n"
- "li 9, 0xbe\n"
- "li 10, 0xef\n"
- "li 11, 0xde\n"
- "li 14, 0xad\n"
- "li 15, 0xbe\n"
- "li 16, 0xef\n"
- "li 17, 0xde\n"
- "li 18, 0xad\n"
- "li 19, 0xbe\n"
- "li 20, 0xef\n"
- "li 21, 0xde\n"
- "li 22, 0xad\n"
- "li 23, 0xbe\n"
- "li 24, 0xef\n"
- "li 25, 0xde\n"
- "li 26, 0xad\n"
- "li 27, 0xbe\n"
- "li 28, 0xef\n"
- "li 29, 0xdd\n"
-
- "ld 3, -96(1)\n"
- "cmpwi 3, 0x3030\n"
- "bne 1f\n"
- "ld 4, -104(1)\n"
- "cmpwi 4, 0x4040\n"
- "bne 1f\n"
- "ld 5, -112(1)\n"
- "cmpwi 5, 0x5050\n"
- "bne 1f\n"
- "ld 6, -120(1)\n"
- "cmpwi 6, 0x6060\n"
- "bne 1f\n"
- "ld 7, -128(1)\n"
- "cmpwi 7, 0x7070\n"
- "bne 1f\n"
- "ld 8, -136(1)\n"
- "cmpwi 8, 0x0808\n"
- "bne 1f\n"
- "ld 9, -144(1)\n"
- "cmpwi 9, 0x0909\n"
- "bne 1f\n"
- "ld 10, -152(1)\n"
- "cmpwi 10, 0x1010\n"
- "bne 1f\n"
- "ld 11, -160(1)\n"
- "cmpwi 11, 0x1111\n"
- "bne 1f\n"
- "ld 14, -168(1)\n"
- "cmpwi 14, 0x1414\n"
- "bne 1f\n"
- "ld 15, -176(1)\n"
- "cmpwi 15, 0x1515\n"
- "bne 1f\n"
- "ld 16, -184(1)\n"
- "cmpwi 16, 0x1616\n"
- "bne 1f\n"
- "ld 17, -192(1)\n"
- "cmpwi 17, 0x1717\n"
- "bne 1f\n"
- "ld 18, -200(1)\n"
- "cmpwi 18, 0x1818\n"
- "bne 1f\n"
- "ld 19, -208(1)\n"
- "cmpwi 19, 0x1919\n"
- "bne 1f\n"
- "ld 20, -216(1)\n"
- "cmpwi 20, 0x2020\n"
- "bne 1f\n"
- "ld 21, -224(1)\n"
- "cmpwi 21, 0x2121\n"
- "bne 1f\n"
- "ld 22, -232(1)\n"
- "cmpwi 22, 0x2222\n"
- "bne 1f\n"
- "ld 23, -240(1)\n"
- "cmpwi 23, 0x2323\n"
- "bne 1f\n"
- "ld 24, -248(1)\n"
- "cmpwi 24, 0x2424\n"
- "bne 1f\n"
- "ld 25, -256(1)\n"
- "cmpwi 25, 0x2525\n"
- "bne 1f\n"
- "ld 26, -264(1)\n"
- "cmpwi 26, 0x2626\n"
- "bne 1f\n"
- "ld 27, -272(1)\n"
- "cmpwi 27, 0x2727\n"
- "bne 1f\n"
- "ld 28, -280(1)\n"
- "cmpwi 28, 0x2828\n"
- "bne 1f\n"
- "ld 29, -288(1)\n"
- "cmpwi 29, 0x2929\n"
- "bne 1f\n"
-
- /* Load 0 (success) to return */
- "li 0, 0\n"
-
- "1: mr %0, 0\n"
-
- : "=r" (rc)
- : /* no inputs */
- : "3", "4", "5", "6", "7", "8", "9", "10", "11", "14",
- "15", "16", "17", "18", "19", "20", "21", "22", "23",
- "24", "25", "26", "27", "28", "29", "30", "31",
- "memory"
- );
-
- return rc;
-}
-
-int core_busy_loop_with_freeze(void)
-{
- int rc;
-
- mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC);
- rc = core_busy_loop();
- mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC);
-
- return rc;
-}
-
int ebb_child(union pipe read_pipe, union pipe write_pipe)
{
struct event event;
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.h b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
index e62bde05bf78..e44eee5d97ca 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
@@ -70,7 +70,6 @@ int ebb_check_mmcr0(void);
extern u64 sample_period;
int core_busy_loop(void);
-int core_busy_loop_with_freeze(void);
int ebb_child(union pipe read_pipe, union pipe write_pipe);
int catch_sigill(void (*func)(void));
void write_pmc1(void);
diff --git a/tools/testing/selftests/powerpc/pmu/l3_bank_test.c b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
new file mode 100644
index 000000000000..77472f31441e
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2014, Michael Ellerman, IBM Corp.
+ * Licensed under GPLv2.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "event.h"
+#include "utils.h"
+
+#define MALLOC_SIZE (0x10000 * 10) /* Ought to be enough .. */
+
+/*
+ * Tests that the L3 bank handling is correct. We fixed it in commit e9aaac1.
+ */
+static int l3_bank_test(void)
+{
+ struct event event;
+ char *p;
+ int i;
+
+ p = malloc(MALLOC_SIZE);
+ FAIL_IF(!p);
+
+ event_init(&event, 0x84918F);
+
+ FAIL_IF(event_open(&event));
+
+ for (i = 0; i < MALLOC_SIZE; i += 0x10000)
+ p[i] = i;
+
+ event_read(&event);
+ event_report(&event);
+
+ FAIL_IF(event.result.running == 0);
+ FAIL_IF(event.result.enabled == 0);
+
+ event_close(&event);
+ free(p);
+
+ return 0;
+}
+
+int main(void)
+{
+ return test_harness(l3_bank_test, "l3_bank_test");
+}
diff --git a/tools/testing/selftests/powerpc/pmu/lib.c b/tools/testing/selftests/powerpc/pmu/lib.c
index 0f6a4731d546..9768dea37bf3 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.c
+++ b/tools/testing/selftests/powerpc/pmu/lib.c
@@ -5,10 +5,15 @@
#define _GNU_SOURCE /* For CPU_ZERO etc. */
+#include <elf.h>
#include <errno.h>
+#include <fcntl.h>
+#include <link.h>
#include <sched.h>
#include <setjmp.h>
#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
#include <sys/wait.h>
#include "utils.h"
@@ -177,8 +182,8 @@ struct addr_range libc, vdso;
int parse_proc_maps(void)
{
+ unsigned long start, end;
char execute, name[128];
- uint64_t start, end;
FILE *f;
int rc;
@@ -250,3 +255,46 @@ out_close:
out:
return rc;
}
+
+static char auxv[4096];
+
+void *get_auxv_entry(int type)
+{
+ ElfW(auxv_t) *p;
+ void *result;
+ ssize_t num;
+ int fd;
+
+ fd = open("/proc/self/auxv", O_RDONLY);
+ if (fd == -1) {
+ perror("open");
+ return NULL;
+ }
+
+ result = NULL;
+
+ num = read(fd, auxv, sizeof(auxv));
+ if (num < 0) {
+ perror("read");
+ goto out;
+ }
+
+ if (num > sizeof(auxv)) {
+ printf("Overflowed auxv buffer\n");
+ goto out;
+ }
+
+ p = (ElfW(auxv_t) *)auxv;
+
+ while (p->a_type != AT_NULL) {
+ if (p->a_type == type) {
+ result = (void *)p->a_un.a_val;
+ break;
+ }
+
+ p++;
+ }
+out:
+ close(fd);
+ return result;
+}
diff --git a/tools/testing/selftests/powerpc/pmu/lib.h b/tools/testing/selftests/powerpc/pmu/lib.h
index ca5d72ae3be6..0f0339c8a6f6 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.h
+++ b/tools/testing/selftests/powerpc/pmu/lib.h
@@ -29,6 +29,7 @@ extern int notify_parent(union pipe write_pipe);
extern int notify_parent_of_error(union pipe write_pipe);
extern pid_t eat_cpu(int (test_function)(void));
extern bool require_paranoia_below(int level);
+extern void *get_auxv_entry(int type);
struct addr_range {
uint64_t first, last;
diff --git a/tools/testing/selftests/powerpc/pmu/per_event_excludes.c b/tools/testing/selftests/powerpc/pmu/per_event_excludes.c
new file mode 100644
index 000000000000..fddbbc9cae2f
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/per_event_excludes.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2014, Michael Ellerman, IBM Corp.
+ * Licensed under GPLv2.
+ */
+
+#define _GNU_SOURCE
+
+#include <elf.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/prctl.h>
+
+#include "event.h"
+#include "lib.h"
+#include "utils.h"
+
+/*
+ * Test that per-event excludes work.
+ */
+
+static int per_event_excludes(void)
+{
+ struct event *e, events[4];
+ char *platform;
+ int i;
+
+ platform = (char *)get_auxv_entry(AT_BASE_PLATFORM);
+ FAIL_IF(!platform);
+ SKIP_IF(strcmp(platform, "power8") != 0);
+
+ /*
+ * We need to create the events disabled, otherwise the running/enabled
+ * counts don't match up.
+ */
+ e = &events[0];
+ event_init_opts(e, PERF_COUNT_HW_INSTRUCTIONS,
+ PERF_TYPE_HARDWARE, "instructions");
+ e->attr.disabled = 1;
+
+ e = &events[1];
+ event_init_opts(e, PERF_COUNT_HW_INSTRUCTIONS,
+ PERF_TYPE_HARDWARE, "instructions(k)");
+ e->attr.disabled = 1;
+ e->attr.exclude_user = 1;
+ e->attr.exclude_hv = 1;
+
+ e = &events[2];
+ event_init_opts(e, PERF_COUNT_HW_INSTRUCTIONS,
+ PERF_TYPE_HARDWARE, "instructions(h)");
+ e->attr.disabled = 1;
+ e->attr.exclude_user = 1;
+ e->attr.exclude_kernel = 1;
+
+ e = &events[3];
+ event_init_opts(e, PERF_COUNT_HW_INSTRUCTIONS,
+ PERF_TYPE_HARDWARE, "instructions(u)");
+ e->attr.disabled = 1;
+ e->attr.exclude_hv = 1;
+ e->attr.exclude_kernel = 1;
+
+ FAIL_IF(event_open(&events[0]));
+
+ /*
+ * The open here will fail if we don't have per event exclude support,
+ * because the second event has an incompatible set of exclude settings
+ * and we're asking for the events to be in a group.
+ */
+ for (i = 1; i < 4; i++)
+ FAIL_IF(event_open_with_group(&events[i], events[0].fd));
+
+ /*
+ * Even though the above will fail without per-event excludes we keep
+ * testing in order to be thorough.
+ */
+ prctl(PR_TASK_PERF_EVENTS_ENABLE);
+
+ /* Spin for a while */
+ for (i = 0; i < INT_MAX; i++)
+ asm volatile("" : : : "memory");
+
+ prctl(PR_TASK_PERF_EVENTS_DISABLE);
+
+ for (i = 0; i < 4; i++) {
+ FAIL_IF(event_read(&events[i]));
+ event_report(&events[i]);
+ }
+
+ /*
+ * We should see that all events have enabled == running. That
+ * shows that they were all on the PMU at once.
+ */
+ for (i = 0; i < 4; i++)
+ FAIL_IF(events[i].result.running != events[i].result.enabled);
+
+ /*
+ * We can also check that the result for instructions is >= all the
+ * other counts. That's because it is counting all instructions while
+ * the others are counting a subset.
+ */
+ for (i = 1; i < 4; i++)
+ FAIL_IF(events[0].result.value < events[i].result.value);
+
+ for (i = 0; i < 4; i++)
+ event_close(&events[i]);
+
+ return 0;
+}
+
+int main(void)
+{
+ return test_harness(per_event_excludes, "per_event_excludes");
+}