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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 14:17:12 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 14:17:12 -0700
commit4aabab2181f20560948c2045ce1faaa9ac1507a8 (patch)
tree6556e126687c9cbb4b4a35a8ad8c327df30ac256 /include/asm-arm
parentbb50cbbd4beacd5ceda76c32fcb116c67fe8c66c (diff)
parentca9ced7f6798868f9d2c81a59b49f8c2136685d8 (diff)
downloadlinux-stericsson-4aabab2181f20560948c2045ce1faaa9ac1507a8.tar.gz
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (50 commits) [ARM] sa1100: remove boot time RTC initialisation [ARM] sa1100: stop doing our own rtc management over suspend [ARM] 4474/1: Do not check the PSR_F_BIT in valid_user_regs [ARM] 4473/2: Take the HWCAP definitions out of the elf.h file [ARM] pxa: move platform devices to separate header file [ARM] pxa: move device registration into CPU-specific file [ARM] pxa: remove boot time RTC initialisation [ARM] pxa: stop doing our own rtc management over suspend [ARM] 4451/1: pxa: make dma.c generic and remove cpu specific dma code [ARM] 4450/1: pxa: add pxa25x_init_irq() and pxa27x_init_irq() [ARM] 4440/1: PXA: enable the checking of ICIP2 for IRQs [ARM] 4438/1: PXA: remove #ifdef .. #endif from pxa_gpio_demux_handler() [ARM] 4437/1: PXA: move the GPIO IRQ initialization code to pxa_init_irq_gpio() [ARM] 4436/1: PXA: move low IRQ initialization code to pxa_init_irq_low() [ARM] 4435/1: PXA: remove PXA_INTERNAL_IRQS [ARM] 4434/1: PXA: remove PXA_IRQ_SKIP [ARM] pxa: Fix PXA27x suspend type validation, remove pxa_pm_prepare() [ARM] pxa: move pm_ops structure into CPU specific files [ARM] pxa: introduce cpu_is_pxaXXX macros [ARM] pxa: remove MMC register defines from pxa-regs.h ...
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/Kbuild2
-rw-r--r--include/asm-arm/arch-at91/at91_dbgu.h13
-rw-r--r--include/asm-arm/arch-at91/at91x40.h55
-rw-r--r--include/asm-arm/arch-at91/cpu.h5
-rw-r--r--include/asm-arm/arch-at91/hardware.h17
-rw-r--r--include/asm-arm/arch-at91/timex.h5
-rw-r--r--include/asm-arm/arch-at91/uncompress.h4
-rw-r--r--include/asm-arm/arch-davinci/clock.h22
-rw-r--r--include/asm-arm/arch-davinci/gpio.h156
-rw-r--r--include/asm-arm/arch-davinci/hardware.h38
-rw-r--r--include/asm-arm/arch-davinci/mux.h55
-rw-r--r--include/asm-arm/arch-imx/gpio.h102
-rw-r--r--include/asm-arm/arch-imx/imx-regs.h2
-rw-r--r--include/asm-arm/arch-ixp4xx/ixdp425.h4
-rw-r--r--include/asm-arm/arch-ixp4xx/uncompress.h5
-rw-r--r--include/asm-arm/arch-ks8695/gpio.h79
-rw-r--r--include/asm-arm/arch-pxa/dma.h22
-rw-r--r--include/asm-arm/arch-pxa/entry-macro.S30
-rw-r--r--include/asm-arm/arch-pxa/hardware.h36
-rw-r--r--include/asm-arm/arch-pxa/irqs.h26
-rw-r--r--include/asm-arm/arch-pxa/pm.h1
-rw-r--r--include/asm-arm/arch-pxa/pxa-regs.h22
-rw-r--r--include/asm-arm/elf.h23
-rw-r--r--include/asm-arm/hwcap.h28
-rw-r--r--include/asm-arm/ptrace.h16
25 files changed, 673 insertions, 95 deletions
diff --git a/include/asm-arm/Kbuild b/include/asm-arm/Kbuild
index c68e1680da01..73237bd130a2 100644
--- a/include/asm-arm/Kbuild
+++ b/include/asm-arm/Kbuild
@@ -1 +1,3 @@
include include/asm-generic/Kbuild.asm
+
+unifdef-y += hwcap.h
diff --git a/include/asm-arm/arch-at91/at91_dbgu.h b/include/asm-arm/arch-at91/at91_dbgu.h
index b0369e176f7b..8019ffd0ad3b 100644
--- a/include/asm-arm/arch-at91/at91_dbgu.h
+++ b/include/asm-arm/arch-at91/at91_dbgu.h
@@ -16,6 +16,7 @@
#ifndef AT91_DBGU_H
#define AT91_DBGU_H
+#ifdef AT91_DBGU
#define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */
#define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */
#define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */
@@ -30,6 +31,15 @@
#define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */
#define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */
+#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
+#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
+
+#endif /* AT91_DBGU */
+
+/*
+ * Some AT91 parts that don't have full DEBUG units still support the ID
+ * and extensions register.
+ */
#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
@@ -53,7 +63,4 @@
#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
-#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
-#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
-
#endif
diff --git a/include/asm-arm/arch-at91/at91x40.h b/include/asm-arm/arch-at91/at91x40.h
new file mode 100644
index 000000000000..612203e0177f
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91x40.h
@@ -0,0 +1,55 @@
+/*
+ * include/asm-arm/arch-at91/at91x40.h
+ *
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ *
+ * 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.
+ */
+
+#ifndef AT91X40_H
+#define AT91X40_H
+
+/*
+ * IRQ list.
+ */
+#define AT91_ID_FIQ 0 /* FIQ */
+#define AT91_ID_SYS 1 /* System Peripheral */
+#define AT91X40_ID_USART0 2 /* USART port 0 */
+#define AT91X40_ID_USART1 3 /* USART port 1 */
+#define AT91X40_ID_TC0 4 /* Timer/Counter 0 */
+#define AT91X40_ID_TC1 5 /* Timer/Counter 1*/
+#define AT91X40_ID_TC2 6 /* Timer/Counter 2*/
+#define AT91X40_ID_WD 7 /* Watchdog? */
+#define AT91X40_ID_PIOA 8 /* Parallel IO Controller A */
+
+#define AT91X40_ID_IRQ0 16 /* External IRQ 0 */
+#define AT91X40_ID_IRQ1 17 /* External IRQ 1 */
+#define AT91X40_ID_IRQ2 18 /* External IRQ 2 */
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_BASE_SYS 0xffc00000
+
+#define AT91_EBI (0xffe00000 - AT91_BASE_SYS) /* External Bus Interface */
+#define AT91_SF (0xfff00000 - AT91_BASE_SYS) /* Special Function */
+#define AT91_USART1 (0xfffcc000 - AT91_BASE_SYS) /* USART 1 */
+#define AT91_USART0 (0xfffd0000 - AT91_BASE_SYS) /* USART 0 */
+#define AT91_TC (0xfffe0000 - AT91_BASE_SYS) /* Timer Counter */
+#define AT91_PIOA (0xffff0000 - AT91_BASE_SYS) /* PIO Controller A */
+#define AT91_PS (0xffff4000 - AT91_BASE_SYS) /* Power Save */
+#define AT91_WD (0xffff8000 - AT91_BASE_SYS) /* Watchdog Timer */
+#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */
+
+/*
+ * The AT91x40 series doesn't have a debug unit like the other AT91 parts.
+ * But it does have a chip identify register and extension ID, so define at
+ * least these here.
+ */
+#define AT91_DBGU_CIDR (AT91_SF + 0) /* CIDR in PS segment */
+#define AT91_DBGU_EXID (AT91_SF + 4) /* EXID in PS segment */
+
+#endif /* AT91X40_H */
diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h
index ef93c30a9c5f..080cbb401a87 100644
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -28,6 +28,11 @@
#define ARCH_ID_AT91SAM9RL64 0x019b03a0
+#define ARCH_ID_AT91M40800 0x14080044
+#define ARCH_ID_AT91R40807 0x44080746
+#define ARCH_ID_AT91M40807 0x14080745
+#define ARCH_ID_AT91R40008 0x44000840
+
static inline unsigned long at91_cpu_identify(void)
{
return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index 46835e945aea..8f1cdd38a969 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -26,18 +26,29 @@
#include <asm/arch/at91sam9263.h>
#elif defined(CONFIG_ARCH_AT91SAM9RL)
#include <asm/arch/at91sam9rl.h>
+#elif defined(CONFIG_ARCH_AT91X40)
+#include <asm/arch/at91x40.h>
#else
#error "Unsupported AT91 processor"
#endif
+#ifdef CONFIG_MMU
/*
* Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF
* to 0xFEF78000 .. 0xFF000000. (544Kb)
*/
#define AT91_IO_PHYS_BASE 0xFFF78000
-#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE)
+#else
+/*
+ * Identity mapping for the non MMU case.
+ */
+#define AT91_IO_PHYS_BASE AT91_BASE_SYS
+#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE
+#endif
+
+#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
/* Convert a physical IO address to virtual IO address */
#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
@@ -66,7 +77,11 @@
#define AT91_CHIPSELECT_7 0x80000000
/* SDRAM */
+#ifdef CONFIG_DRAM_BASE
+#define AT91_SDRAM_BASE CONFIG_DRAM_BASE
+#else
#define AT91_SDRAM_BASE AT91_CHIPSELECT_1
+#endif
/* Clocks */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
diff --git a/include/asm-arm/arch-at91/timex.h b/include/asm-arm/arch-at91/timex.h
index 2df1ee12dfb7..a310698fb4da 100644
--- a/include/asm-arm/arch-at91/timex.h
+++ b/include/asm-arm/arch-at91/timex.h
@@ -42,6 +42,11 @@
#define AT91SAM9_MASTER_CLOCK 100000000
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+#elif defined(CONFIG_ARCH_AT91X40)
+
+#define AT91X40_MASTER_CLOCK 40000000
+#define CLOCK_TICK_RATE (AT91X40_MASTER_CLOCK)
+
#endif
#endif
diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h
index 30ac587b3b41..272a7e0dc6cf 100644
--- a/include/asm-arm/arch-at91/uncompress.h
+++ b/include/asm-arm/arch-at91/uncompress.h
@@ -33,20 +33,24 @@
*/
static void putc(int c)
{
+#ifdef AT91_DBGU
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
barrier();
__raw_writel(c, sys + AT91_DBGU_THR);
+#endif
}
static inline void flush(void)
{
+#ifdef AT91_DBGU
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
/* wait for transmission to complete */
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
barrier();
+#endif
}
#define arch_decomp_setup()
diff --git a/include/asm-arm/arch-davinci/clock.h b/include/asm-arm/arch-davinci/clock.h
new file mode 100644
index 000000000000..cc168b7a14f2
--- /dev/null
+++ b/include/asm-arm/arch-davinci/clock.h
@@ -0,0 +1,22 @@
+/*
+ * include/asm-arm/arch-davinci/clock.h
+ *
+ * Clock control driver for DaVinci - header file
+ *
+ * Authors: Vladimir Barinov <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef __ASM_ARCH_DAVINCI_CLOCK_H
+#define __ASM_ARCH_DAVINCI_CLOCK_H
+
+struct clk;
+
+extern int clk_register(struct clk *clk);
+extern void clk_unregister(struct clk *clk);
+extern int davinci_clk_init(void);
+
+#endif
diff --git a/include/asm-arm/arch-davinci/gpio.h b/include/asm-arm/arch-davinci/gpio.h
new file mode 100644
index 000000000000..ea24a0e0bfd6
--- /dev/null
+++ b/include/asm-arm/arch-davinci/gpio.h
@@ -0,0 +1,156 @@
+/*
+ * TI DaVinci GPIO Support
+ *
+ * Copyright (c) 2006 David Brownell
+ * Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 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.
+ */
+
+#ifndef __DAVINCI_GPIO_H
+#define __DAVINCI_GPIO_H
+
+/*
+ * basic gpio routines
+ *
+ * board-specific init should be done by arch/.../.../board-XXX.c (maybe
+ * initializing banks together) rather than boot loaders; kexec() won't
+ * go through boot loaders.
+ *
+ * the gpio clock will be turned on when gpios are used, and you may also
+ * need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are
+ * used as gpios, not with other peripherals.
+ *
+ * GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, and maybe
+ * for later updates, code should write GPIO(N) or:
+ * - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53)
+ * - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70)
+ *
+ * For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc
+ * for now, that's != GPIO(N)
+ */
+#define GPIO(X) (X) /* 0 <= X <= 70 */
+#define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */
+#define GPIOV33(X) ((X)+54) /* 3.3V i/o; 0 <= X <= 17 */
+
+struct gpio_controller {
+ u32 dir;
+ u32 out_data;
+ u32 set_data;
+ u32 clr_data;
+ u32 in_data;
+ u32 set_rising;
+ u32 clr_rising;
+ u32 set_falling;
+ u32 clr_falling;
+ u32 intstat;
+};
+
+/* The __gpio_to_controller() and __gpio_mask() functions inline to constants
+ * with constant parameters; or in outlined code they execute at runtime.
+ *
+ * You'd access the controller directly when reading or writing more than
+ * one gpio value at a time, and to support wired logic where the value
+ * being driven by the cpu need not match the value read back.
+ *
+ * These are NOT part of the cross-platform GPIO interface
+ */
+static inline struct gpio_controller *__iomem
+__gpio_to_controller(unsigned gpio)
+{
+ void *__iomem ptr;
+
+ if (gpio < 32)
+ ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10);
+ else if (gpio < 64)
+ ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38);
+ else if (gpio < DAVINCI_N_GPIO)
+ ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60);
+ else
+ ptr = NULL;
+ return ptr;
+}
+
+static inline u32 __gpio_mask(unsigned gpio)
+{
+ return 1 << (gpio % 32);
+}
+
+/* The get/set/clear functions will inline when called with constant
+ * parameters, for low-overhead bitbanging. Illegal constant parameters
+ * cause link-time errors.
+ *
+ * Otherwise, calls with variable parameters use outlined functions.
+ */
+extern int __error_inval_gpio(void);
+
+extern void __gpio_set(unsigned gpio, int value);
+extern int __gpio_get(unsigned gpio);
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ if (__builtin_constant_p(value)) {
+ struct gpio_controller *__iomem g;
+ u32 mask;
+
+ if (gpio >= DAVINCI_N_GPIO)
+ __error_inval_gpio();
+
+ g = __gpio_to_controller(gpio);
+ mask = __gpio_mask(gpio);
+ if (value)
+ __raw_writel(mask, &g->set_data);
+ else
+ __raw_writel(mask, &g->clr_data);
+ return;
+ }
+
+ __gpio_set(gpio, value);
+}
+
+/* Returns zero or nonzero; works for gpios configured as inputs OR
+ * as outputs.
+ *
+ * NOTE: changes in reported values are synchronized to the GPIO clock.
+ * This is most easily seen after calling gpio_set_value() and then immediatly
+ * gpio_get_value(), where the gpio_get_value() would return the old value
+ * until the GPIO clock ticks and the new value gets latched.
+ */
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ struct gpio_controller *__iomem g;
+
+ if (!__builtin_constant_p(gpio))
+ return __gpio_get(gpio);
+
+ if (gpio >= DAVINCI_N_GPIO)
+ return __error_inval_gpio();
+
+ g = __gpio_to_controller(gpio);
+ return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data));
+}
+
+/* powerup default direction is IN */
+extern int gpio_direction_input(unsigned gpio);
+extern int gpio_direction_output(unsigned gpio, int value);
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+extern int gpio_request(unsigned gpio, const char *tag);
+extern void gpio_free(unsigned gpio);
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return DAVINCI_N_AINTC_IRQ + gpio;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return irq - DAVINCI_N_AINTC_IRQ;
+}
+
+#endif /* __DAVINCI_GPIO_H */
diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h
index 60362d80229e..a2e8969afaca 100644
--- a/include/asm-arm/arch-davinci/hardware.h
+++ b/include/asm-arm/arch-davinci/hardware.h
@@ -11,4 +11,42 @@
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
+/*
+ * Base register addresses
+ */
+#define DAVINCI_DMA_3PCC_BASE (0x01C00000)
+#define DAVINCI_DMA_3PTC0_BASE (0x01C10000)
+#define DAVINCI_DMA_3PTC1_BASE (0x01C10400)
+#define DAVINCI_I2C_BASE (0x01C21000)
+#define DAVINCI_PWM0_BASE (0x01C22000)
+#define DAVINCI_PWM1_BASE (0x01C22400)
+#define DAVINCI_PWM2_BASE (0x01C22800)
+#define DAVINCI_SYSTEM_MODULE_BASE (0x01C40000)
+#define DAVINCI_PLL_CNTRL0_BASE (0x01C40800)
+#define DAVINCI_PLL_CNTRL1_BASE (0x01C40C00)
+#define DAVINCI_PWR_SLEEP_CNTRL_BASE (0x01C41000)
+#define DAVINCI_SYSTEM_DFT_BASE (0x01C42000)
+#define DAVINCI_IEEE1394_BASE (0x01C60000)
+#define DAVINCI_USB_OTG_BASE (0x01C64000)
+#define DAVINCI_CFC_ATA_BASE (0x01C66000)
+#define DAVINCI_SPI_BASE (0x01C66800)
+#define DAVINCI_GPIO_BASE (0x01C67000)
+#define DAVINCI_UHPI_BASE (0x01C67800)
+#define DAVINCI_VPSS_REGS_BASE (0x01C70000)
+#define DAVINCI_EMAC_CNTRL_REGS_BASE (0x01C80000)
+#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE (0x01C81000)
+#define DAVINCI_EMAC_WRAPPER_RAM_BASE (0x01C82000)
+#define DAVINCI_MDIO_CNTRL_REGS_BASE (0x01C84000)
+#define DAVINCI_IMCOP_BASE (0x01CC0000)
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE (0x01E00000)
+#define DAVINCI_VLYNQ_BASE (0x01E01000)
+#define DAVINCI_MCBSP_BASE (0x01E02000)
+#define DAVINCI_MMC_SD_BASE (0x01E10000)
+#define DAVINCI_MS_BASE (0x01E20000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE (0x02000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE (0x04000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE (0x06000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE (0x08000000)
+#define DAVINCI_VLYNQ_REMOTE_BASE (0x0C000000)
+
#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-davinci/mux.h b/include/asm-arm/arch-davinci/mux.h
new file mode 100644
index 000000000000..c24b6782804d
--- /dev/null
+++ b/include/asm-arm/arch-davinci/mux.h
@@ -0,0 +1,55 @@
+/*
+ * DaVinci pin multiplexing defines
+ *
+ * Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef __ASM_ARCH_MUX_H
+#define __ASM_ARCH_MUX_H
+
+#define DAVINCI_MUX_AEAW0 0
+#define DAVINCI_MUX_AEAW1 1
+#define DAVINCI_MUX_AEAW2 2
+#define DAVINCI_MUX_AEAW3 3
+#define DAVINCI_MUX_AEAW4 4
+#define DAVINCI_MUX_AECS4 10
+#define DAVINCI_MUX_AECS5 11
+#define DAVINCI_MUX_VLYNQWD0 12
+#define DAVINCI_MUX_VLYNQWD1 13
+#define DAVINCI_MUX_VLSCREN 14
+#define DAVINCI_MUX_VLYNQEN 15
+#define DAVINCI_MUX_HDIREN 16
+#define DAVINCI_MUX_ATAEN 17
+#define DAVINCI_MUX_RGB666 22
+#define DAVINCI_MUX_RGB888 23
+#define DAVINCI_MUX_LOEEN 24
+#define DAVINCI_MUX_LFLDEN 25
+#define DAVINCI_MUX_CWEN 26
+#define DAVINCI_MUX_CFLDEN 27
+#define DAVINCI_MUX_HPIEN 29
+#define DAVINCI_MUX_1394EN 30
+#define DAVINCI_MUX_EMACEN 31
+
+#define DAVINCI_MUX_LEVEL2 32
+#define DAVINCI_MUX_UART0 (DAVINCI_MUX_LEVEL2 + 0)
+#define DAVINCI_MUX_UART1 (DAVINCI_MUX_LEVEL2 + 1)
+#define DAVINCI_MUX_UART2 (DAVINCI_MUX_LEVEL2 + 2)
+#define DAVINCI_MUX_U2FLO (DAVINCI_MUX_LEVEL2 + 3)
+#define DAVINCI_MUX_PWM0 (DAVINCI_MUX_LEVEL2 + 4)
+#define DAVINCI_MUX_PWM1 (DAVINCI_MUX_LEVEL2 + 5)
+#define DAVINCI_MUX_PWM2 (DAVINCI_MUX_LEVEL2 + 6)
+#define DAVINCI_MUX_I2C (DAVINCI_MUX_LEVEL2 + 7)
+#define DAVINCI_MUX_SPI (DAVINCI_MUX_LEVEL2 + 8)
+#define DAVINCI_MUX_MSTK (DAVINCI_MUX_LEVEL2 + 9)
+#define DAVINCI_MUX_ASP (DAVINCI_MUX_LEVEL2 + 10)
+#define DAVINCI_MUX_CLK0 (DAVINCI_MUX_LEVEL2 + 16)
+#define DAVINCI_MUX_CLK1 (DAVINCI_MUX_LEVEL2 + 17)
+#define DAVINCI_MUX_TIMIN (DAVINCI_MUX_LEVEL2 + 18)
+
+extern void davinci_mux_peripheral(unsigned int mux, unsigned int enable);
+
+#endif /* __ASM_ARCH_MUX_H */
diff --git a/include/asm-arm/arch-imx/gpio.h b/include/asm-arm/arch-imx/gpio.h
new file mode 100644
index 000000000000..486023263f32
--- /dev/null
+++ b/include/asm-arm/arch-imx/gpio.h
@@ -0,0 +1,102 @@
+#ifndef _IMX_GPIO_H
+
+#include <asm/arch/imx-regs.h>
+
+#define IMX_GPIO_ALLOC_MODE_NORMAL 0
+#define IMX_GPIO_ALLOC_MODE_NO_ALLOC 1
+#define IMX_GPIO_ALLOC_MODE_TRY_ALLOC 2
+#define IMX_GPIO_ALLOC_MODE_ALLOC_ONLY 4
+#define IMX_GPIO_ALLOC_MODE_RELEASE 8
+
+extern int imx_gpio_request(unsigned gpio, const char *label);
+
+extern void imx_gpio_free(unsigned gpio);
+
+extern int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
+ int alloc_mode, const char *label);
+
+extern int imx_gpio_direction_input(unsigned gpio);
+
+extern int imx_gpio_direction_output(unsigned gpio, int value);
+
+extern void __imx_gpio_set_value(unsigned gpio, int value);
+
+static inline int imx_gpio_get_value(unsigned gpio)
+{
+ return SSR(gpio >> GPIO_PORT_SHIFT) & (1 << (gpio & GPIO_PIN_MASK));
+}
+
+static inline void imx_gpio_set_value_inline(unsigned gpio, int value)
+{
+ unsigned long flags;
+
+ raw_local_irq_save(flags);
+ if(value)
+ DR(gpio >> GPIO_PORT_SHIFT) |= (1 << (gpio & GPIO_PIN_MASK));
+ else
+ DR(gpio >> GPIO_PORT_SHIFT) &= ~(1 << (gpio & GPIO_PIN_MASK));
+ raw_local_irq_restore(flags);
+}
+
+static inline void imx_gpio_set_value(unsigned gpio, int value)
+{
+ if(__builtin_constant_p(gpio))
+ imx_gpio_set_value_inline(gpio, value);
+ else
+ __imx_gpio_set_value(gpio, value);
+}
+
+extern int imx_gpio_to_irq(unsigned gpio);
+
+extern int imx_irq_to_gpio(unsigned irq);
+
+/*-------------------------------------------------------------------------*/
+
+/* Wrappers for "new style" GPIO calls. These calls i.MX specific versions
+ * to allow future extension of GPIO logic.
+ */
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return imx_gpio_request(gpio, label);
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+ imx_gpio_free(gpio);
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ return imx_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+ return imx_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ return imx_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ imx_gpio_set_value(gpio, value);
+}
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return imx_gpio_to_irq(gpio);
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return imx_irq_to_gpio(irq);
+}
+
+
+#endif
diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h
index 30de404c61f5..fb9de2733879 100644
--- a/include/asm-arm/arch-imx/imx-regs.h
+++ b/include/asm-arm/arch-imx/imx-regs.h
@@ -77,6 +77,8 @@
#define SWR(x) __REG2(IMX_GPIO_BASE + 0x3c, ((x) & 3) << 8)
#define PUEN(x) __REG2(IMX_GPIO_BASE + 0x40, ((x) & 3) << 8)
+#define GPIO_PORT_MAX 3
+
#define GPIO_PIN_MASK 0x1f
#define GPIO_PORT_MASK (0x3 << 5)
diff --git a/include/asm-arm/arch-ixp4xx/ixdp425.h b/include/asm-arm/arch-ixp4xx/ixdp425.h
index 3d3820d7ba09..e0791af3bfea 100644
--- a/include/asm-arm/arch-ixp4xx/ixdp425.h
+++ b/include/asm-arm/arch-ixp4xx/ixdp425.h
@@ -32,4 +32,8 @@
#define IXDP425_PCI_INTC_PIN 9
#define IXDP425_PCI_INTD_PIN 8
+/* NAND Flash pins */
+#define IXDP425_NAND_NCE_PIN 12
+#define IXDP425_NAND_CMD_BYTE 0x01
+#define IXDP425_NAND_ADDR_BYTE 0x02
diff --git a/include/asm-arm/arch-ixp4xx/uncompress.h b/include/asm-arm/arch-ixp4xx/uncompress.h
index 09ae6c91be60..f7a35b78823f 100644
--- a/include/asm-arm/arch-ixp4xx/uncompress.h
+++ b/include/asm-arm/arch-ixp4xx/uncompress.h
@@ -38,9 +38,10 @@ static void flush(void)
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
/*
- * Coyote and gtwx5715 only have UART2 connected
+ * Some boards are using UART2 as console
*/
- if (machine_is_adi_coyote() || machine_is_gtwx5715())
+ if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
+ machine_is_gateway7001() || machine_is_wg302v2())
uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
else
uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
diff --git a/include/asm-arm/arch-ks8695/gpio.h b/include/asm-arm/arch-ks8695/gpio.h
new file mode 100644
index 000000000000..65ceea28607b
--- /dev/null
+++ b/include/asm-arm/arch-ks8695/gpio.h
@@ -0,0 +1,79 @@
+/*
+ * include/asm-arm/arch-ks8695/gpio.h
+ *
+ * Copyright (C) 2006 Andrew Victor
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_GPIO_H_
+#define __ASM_ARCH_GPIO_H_
+
+#define KS8695_GPIO_0 0
+#define KS8695_GPIO_1 1
+#define KS8695_GPIO_2 2
+#define KS8695_GPIO_3 3
+#define KS8695_GPIO_4 4
+#define KS8695_GPIO_5 5
+#define KS8695_GPIO_6 6
+#define KS8695_GPIO_7 7
+#define KS8695_GPIO_8 8
+#define KS8695_GPIO_9 9
+#define KS8695_GPIO_10 10
+#define KS8695_GPIO_11 11
+#define KS8695_GPIO_12 12
+#define KS8695_GPIO_13 13
+#define KS8695_GPIO_14 14
+#define KS8695_GPIO_15 15
+
+
+/*
+ * Configure GPIO pin as external interrupt source.
+ */
+int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
+
+/*
+ * Configure the GPIO line as an input.
+ */
+int __init_or_module gpio_direction_input(unsigned int pin);
+
+/*
+ * Configure the GPIO line as an output, with default state.
+ */
+int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
+
+/*
+ * Set the state of an output GPIO line.
+ */
+void gpio_set_value(unsigned int pin, unsigned int state);
+
+/*
+ * Read the state of a GPIO line.
+ */
+int gpio_get_value(unsigned int pin);
+
+/*
+ * Map GPIO line to IRQ number.
+ */
+int gpio_to_irq(unsigned int pin);
+
+/*
+ * Map IRQ number to GPIO line.
+ */
+int irq_to_gpio(unsigned int irq);
+
+
+#include <asm-generic/gpio.h>
+
+static inline int gpio_request(unsigned int pin, const char *label)
+{
+ return 0;
+}
+
+static inline void gpio_free(unsigned int pin)
+{
+}
+
+#endif
diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index bed042d71d68..3280ee2ddfa5 100644
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -30,30 +30,12 @@ typedef enum {
DMA_PRIO_LOW = 2
} pxa_dma_prio;
-#if defined(CONFIG_PXA27x)
-
-#define PXA_DMA_CHANNELS 32
-
-#define pxa_for_each_dma_prio(ch, prio) \
-for ( \
- ch = prio * 4; \
- ch != (4 << prio) + 16; \
- ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1) \
-)
-
-#elif defined(CONFIG_PXA25x)
-
-#define PXA_DMA_CHANNELS 16
-
-#define pxa_for_each_dma_prio(ch, prio) \
- for (ch = prio * 4; ch != (4 << prio); ch++)
-
-#endif
-
/*
* DMA registration
*/
+int __init pxa_init_dma(int num_ch);
+
int pxa_request_dma (char *name,
pxa_dma_prio prio,
void (*irq_handler)(int, void *),
diff --git a/include/asm-arm/arch-pxa/entry-macro.S b/include/asm-arm/arch-pxa/entry-macro.S
index 1d5fbb9b379a..b7e730851461 100644
--- a/include/asm-arm/arch-pxa/entry-macro.S
+++ b/include/asm-arm/arch-pxa/entry-macro.S
@@ -20,20 +20,38 @@
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
-#ifdef CONFIG_PXA27x
- mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
- mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
-#else
+ mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
+ mov \tmp, \tmp, lsr #13
+ and \tmp, \tmp, #0x7 @ Core G
+ cmp \tmp, #1
+ bhi 1004f
+
mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
add \base, \base, #0x00d00000
ldr \irqstat, [\base, #0] @ ICIP
ldr \irqnr, [\base, #4] @ ICMR
-#endif
+ b 1002f
+
+1004:
+ mrc p6, 0, \irqstat, c6, c0, 0 @ ICIP2
+ mrc p6, 0, \irqnr, c7, c0, 0 @ ICMR2
+ ands \irqstat, \irqstat, \irqnr
+ beq 1003f
+ rsb \irqstat, \irqnr, #0
+ and \irqstat, \irqstat, \irqnr
+ clz \irqnr, \irqstat
+ rsb \irqnr, \irqnr, #31
+ add \irqnr, \irqnr, #32
+ b 1001f
+1003:
+ mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
+ mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
+1002:
ands \irqnr, \irqstat, \irqnr
beq 1001f
rsb \irqstat, \irqnr, #0
and \irqstat, \irqstat, \irqnr
clz \irqnr, \irqstat
- rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
+ rsb \irqnr, \irqnr, #31
1001:
.endm
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h
index e2bdc2fbede1..386121746417 100644
--- a/include/asm-arm/arch-pxa/hardware.h
+++ b/include/asm-arm/arch-pxa/hardware.h
@@ -62,6 +62,42 @@
#ifndef __ASSEMBLY__
+#define __cpu_is_pxa21x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xf3f; \
+ _id == 0x212; \
+ })
+
+#define __cpu_is_pxa25x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x2d0 || _id == 0x290; \
+ })
+
+#define __cpu_is_pxa27x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x411; \
+ })
+
+#define cpu_is_pxa21x() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa21x(id); \
+ })
+
+#define cpu_is_pxa25x() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa25x(id); \
+ })
+
+#define cpu_is_pxa27x() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa27x(id); \
+ })
+
/*
* Handy routine to set GPIO alternate functions
*/
diff --git a/include/asm-arm/arch-pxa/irqs.h b/include/asm-arm/arch-pxa/irqs.h
index 67ed43674c63..a07fe0f928cd 100644
--- a/include/asm-arm/arch-pxa/irqs.h
+++ b/include/asm-arm/arch-pxa/irqs.h
@@ -11,14 +11,9 @@
*/
-#ifdef CONFIG_PXA27x
-#define PXA_IRQ_SKIP 0
-#else
-#define PXA_IRQ_SKIP 7
-#endif
-
-#define PXA_IRQ(x) ((x) - PXA_IRQ_SKIP)
+#define PXA_IRQ(x) (x)
+#ifdef CONFIG_PXA27x
#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */
#define IRQ_MSL PXA_IRQ(1) /* MSL Interface interrupt */
#define IRQ_USBH2 PXA_IRQ(2) /* USB Host interrupt 1 (OHCI) */
@@ -26,6 +21,8 @@
#define IRQ_KEYPAD PXA_IRQ(4) /* Key pad controller */
#define IRQ_MEMSTK PXA_IRQ(5) /* Memory Stick interrupt */
#define IRQ_PWRI2C PXA_IRQ(6) /* Power I2C interrupt */
+#endif
+
#define IRQ_HWUART PXA_IRQ(7) /* HWUART Transmit/Receive/Error (PXA26x) */
#define IRQ_OST_4_11 PXA_IRQ(7) /* OS timer 4-11 matches (PXA27x) */
#define IRQ_GPIO0 PXA_IRQ(8) /* GPIO0 Edge Detect */
@@ -58,18 +55,15 @@
#ifdef CONFIG_PXA27x
#define IRQ_TPM PXA_IRQ(32) /* TPM interrupt */
#define IRQ_CAMERA PXA_IRQ(33) /* Camera Interface */
-
-#define PXA_INTERNAL_IRQS 34
-#else
-#define PXA_INTERNAL_IRQS 32
#endif
-#define GPIO_2_x_TO_IRQ(x) \
- PXA_IRQ((x) - 2 + PXA_INTERNAL_IRQS)
+#define PXA_GPIO_IRQ_BASE (64)
+#define PXA_GPIO_IRQ_NUM (128)
+
+#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
#define IRQ_GPIO(x) (((x) < 2) ? (IRQ_GPIO0 + (x)) : GPIO_2_x_TO_IRQ(x))
-#define IRQ_TO_GPIO_2_x(i) \
- ((i) - IRQ_GPIO(2) + 2)
+#define IRQ_TO_GPIO_2_x(i) ((i) - PXA_GPIO_IRQ_BASE)
#define IRQ_TO_GPIO(i) (((i) < IRQ_GPIO(2)) ? ((i) - IRQ_GPIO0) : IRQ_TO_GPIO_2_x(i))
#if defined(CONFIG_PXA25x)
@@ -84,7 +78,7 @@
* these. If you need more, increase IRQ_BOARD_END, but keep it
* within sensible limits.
*/
-#define IRQ_BOARD_START (IRQ_GPIO(PXA_LAST_GPIO) + 1)
+#define IRQ_BOARD_START (PXA_GPIO_IRQ_BASE + PXA_GPIO_IRQ_NUM)
#define IRQ_BOARD_END (IRQ_BOARD_START + 16)
#define IRQ_SA1111_START (IRQ_BOARD_END)
diff --git a/include/asm-arm/arch-pxa/pm.h b/include/asm-arm/arch-pxa/pm.h
index 7a8a1cdf430d..52243a62c4e7 100644
--- a/include/asm-arm/arch-pxa/pm.h
+++ b/include/asm-arm/arch-pxa/pm.h
@@ -9,4 +9,3 @@
extern int pxa_pm_prepare(suspend_state_t state);
extern int pxa_pm_enter(suspend_state_t state);
-extern int pxa_pm_finish(suspend_state_t state);
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index dbcc9298b0c8..e68b593d69da 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1765,29 +1765,9 @@
#define SSACD_P(x) (*(((x) == 1) ? &SSACD_P1 : ((x) == 2) ? &SSACD_P2 : ((x) == 3) ? &SSACD_P3 : NULL))
/*
- * MultiMediaCard (MMC) controller
+ * MultiMediaCard (MMC) controller - see drivers/mmc/host/pxamci.h
*/
-#define MMC_STRPCL __REG(0x41100000) /* Control to start and stop MMC clock */
-#define MMC_STAT __REG(0x41100004) /* MMC Status Register (read only) */
-#define MMC_CLKRT __REG(0x41100008) /* MMC clock rate */
-#define MMC_SPI __REG(0x4110000c) /* SPI mode control bits */
-#define MMC_CMDAT __REG(0x41100010) /* Command/response/data sequence control */
-#define MMC_RESTO __REG(0x41100014) /* Expected response time out */
-#define MMC_RDTO __REG(0x41100018) /* Expected data read time out */
-#define MMC_BLKLEN __REG(0x4110001c) /* Block length of data transaction */
-#define MMC_NOB __REG(0x41100020) /* Number of blocks, for block mode */
-#define MMC_PRTBUF __REG(0x41100024) /* Partial MMC_TXFIFO FIFO written */
-#define MMC_I_MASK __REG(0x41100028) /* Interrupt Mask */
-#define MMC_I_REG __REG(0x4110002c) /* Interrupt Register (read only) */
-#define MMC_CMD __REG(0x41100030) /* Index of current command */
-#define MMC_ARGH __REG(0x41100034) /* MSW part of the current command argument */
-#define MMC_ARGL __REG(0x41100038) /* LSW part of the current command argument */
-#define MMC_RES __REG(0x4110003c) /* Response FIFO (read only) */
-#define MMC_RXFIFO __REG(0x41100040) /* Receive FIFO (read only) */
-#define MMC_TXFIFO __REG(0x41100044) /* Transmit FIFO (write only) */
-
-
/*
* Core Clock
*/
diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h
index 3679a8a8922e..d7a777f05088 100644
--- a/include/asm-arm/elf.h
+++ b/include/asm-arm/elf.h
@@ -7,6 +7,7 @@
*/
#include <asm/ptrace.h>
#include <asm/user.h>
+#include <asm/hwcap.h>
typedef unsigned long elf_greg_t;
typedef unsigned long elf_freg_t[3];
@@ -39,31 +40,9 @@ typedef struct user_fp elf_fpregset_t;
#endif
#define ELF_ARCH EM_ARM
-/*
- * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
- */
-#define HWCAP_SWP 1
-#define HWCAP_HALF 2
-#define HWCAP_THUMB 4
-#define HWCAP_26BIT 8 /* Play it safe */
-#define HWCAP_FAST_MULT 16
-#define HWCAP_FPA 32
-#define HWCAP_VFP 64
-#define HWCAP_EDSP 128
-#define HWCAP_JAVA 256
-#define HWCAP_IWMMXT 512
-#define HWCAP_CRUNCH 1024
-
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
/*
- * This yields a mask that user programs can use to figure out what
- * instruction set this cpu supports.
- */
-#define ELF_HWCAP (elf_hwcap)
-extern unsigned int elf_hwcap;
-
-/*
* This yields a string that ld.so will use to load implementation
* specific libraries for optimization. This is more specific in
* intent than poking at uname or /proc/cpuinfo.
diff --git a/include/asm-arm/hwcap.h b/include/asm-arm/hwcap.h
new file mode 100644
index 000000000000..01a1391d3014
--- /dev/null
+++ b/include/asm-arm/hwcap.h
@@ -0,0 +1,28 @@
+#ifndef __ASMARM_HWCAP_H
+#define __ASMARM_HWCAP_H
+
+/*
+ * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
+ */
+#define HWCAP_SWP 1
+#define HWCAP_HALF 2
+#define HWCAP_THUMB 4
+#define HWCAP_26BIT 8 /* Play it safe */
+#define HWCAP_FAST_MULT 16
+#define HWCAP_FPA 32
+#define HWCAP_VFP 64
+#define HWCAP_EDSP 128
+#define HWCAP_JAVA 256
+#define HWCAP_IWMMXT 512
+#define HWCAP_CRUNCH 1024
+
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+/*
+ * This yields a mask that user programs can use to figure out what
+ * instruction set this cpu supports.
+ */
+#define ELF_HWCAP (elf_hwcap)
+extern unsigned int elf_hwcap;
+#endif
+
+#endif
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index ee3d93c281d8..7aaa206cb54e 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -10,6 +10,8 @@
#ifndef __ASM_ARM_PTRACE_H
#define __ASM_ARM_PTRACE_H
+#include <asm/hwcap.h>
+
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
@@ -45,6 +47,7 @@
#define PSR_T_BIT 0x00000020
#define PSR_F_BIT 0x00000040
#define PSR_I_BIT 0x00000080
+#define PSR_A_BIT 0x00000100
#define PSR_J_BIT 0x01000000
#define PSR_Q_BIT 0x08000000
#define PSR_V_BIT 0x10000000
@@ -103,6 +106,10 @@ struct pt_regs {
#define thumb_mode(regs) (0)
#endif
+#define isa_mode(regs) \
+ ((((regs)->ARM_cpsr & PSR_J_BIT) >> 23) | \
+ (((regs)->ARM_cpsr & PSR_T_BIT) >> 5))
+
#define processor_mode(regs) \
((regs)->ARM_cpsr & MODE_MASK)
@@ -117,14 +124,17 @@ struct pt_regs {
*/
static inline int valid_user_regs(struct pt_regs *regs)
{
- if (user_mode(regs) &&
- (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0)
+ if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) {
+ regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
return 1;
+ }
/*
* Force CPSR to something logical...
*/
- regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT;
+ regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT;
+ if (!(elf_hwcap & HWCAP_26BIT))
+ regs->ARM_cpsr |= USR_MODE;
return 0;
}