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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-26 19:53:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-26 19:53:12 -0800
commit9626357371b519f2b955fef399647181034a77fe (patch)
tree232abd741e773c7d3afb4ba6b02fcba03b82214d /arch/xtensa/Kconfig
parent2b37e9a28afbd11f899738e912fb4a617a74b462 (diff)
parent9cf81c759b7db1db593b2ca60b74ec350d5f9205 (diff)
downloadvexpress-lsk-9626357371b519f2b955fef399647181034a77fe.tar.gz
Merge tag 'xtensa-next-20130225' of git://github.com/czankel/xtensa-linux
Pull xtensa update from Chris Zankel: "Added features: - add support for thread local storage (TLS) - add accept4 and finit_module syscalls - support medium-priority interrupts - add support for dc232c processor variant - support file-base simulated disk for ISS simulator Bug fixes: - fix return values returned by the str[n]cmp functions - avoid mmap cache aliasing - fix handling of 'windowed registers' in ptrace" * tag 'xtensa-next-20130225' of git://github.com/czankel/xtensa-linux: xtensa: add accept4 syscall xtensa: add support for TLS xtensa: add missing include asm/uaccess.h to checksum.h xtensa: do not enable GENERIC_GPIO by default xtensa: complete ptrace handling of register windows xtensa: add support for oprofile xtensa: move spill_registers to traps.h xtensa: ISS: add host file-based simulated disk xtensa: fix str[n]cmp return value xtensa: avoid mmap cache aliasing xtensa: add finit_module syscall xtensa: pull signal definitions from signal-defs.h xtensa: fix ipc_parse_version selection xtensa: dispatch medium-priority interrupts xtensa: Add config files for Diamond 233L - Rev C processor variant xtensa: use new common dtc rule xtensa: rename prom_update_property to of_update_property
Diffstat (limited to 'arch/xtensa/Kconfig')
-rw-r--r--arch/xtensa/Kconfig46
1 files changed, 45 insertions, 1 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index cb557be492b..a5c0663c2cd 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -13,9 +13,11 @@ config XTENSA
select GENERIC_CPU_DEVICES
select MODULES_USE_ELF_RELA
select GENERIC_PCI_IOMAP
+ select ARCH_WANT_IPC_PARSE_VERSION
select ARCH_WANT_OPTIONAL_GPIOLIB
select CLONE_BACKWARDS
select IRQ_DOMAIN
+ select HAVE_OPROFILE
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
@@ -31,7 +33,7 @@ config GENERIC_HWEIGHT
def_bool y
config GENERIC_GPIO
- def_bool y
+ bool
config ARCH_HAS_ILOG2_U32
def_bool n
@@ -71,6 +73,12 @@ config XTENSA_VARIANT_DC232B
help
This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE).
+config XTENSA_VARIANT_DC233C
+ bool "dc233c - Diamond 233L Standard Core Rev.C (LE)"
+ select MMU
+ help
+ This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE).
+
config XTENSA_VARIANT_S6000
bool "s6000 - Stretch software configurable processor"
select VARIANT_IRQ_SWITCH
@@ -197,6 +205,42 @@ config BUILTIN_DTB
string "DTB to build into the kernel image"
depends on OF
+config BLK_DEV_SIMDISK
+ tristate "Host file-based simulated block device support"
+ default n
+ depends on XTENSA_PLATFORM_ISS
+ help
+ Create block devices that map to files in the host file system.
+ Device binding to host file may be changed at runtime via proc
+ interface provided the device is not in use.
+
+config BLK_DEV_SIMDISK_COUNT
+ int "Number of host file-based simulated block devices"
+ range 1 10
+ depends on BLK_DEV_SIMDISK
+ default 2
+ help
+ This is the default minimal number of created block devices.
+ Kernel/module parameter 'simdisk_count' may be used to change this
+ value at runtime. More file names (but no more than 10) may be
+ specified as parameters, simdisk_count grows accordingly.
+
+config SIMDISK0_FILENAME
+ string "Host filename for the first simulated device"
+ depends on BLK_DEV_SIMDISK = y
+ default ""
+ help
+ Attach a first simdisk to a host file. Conventionally, this file
+ contains a root file system.
+
+config SIMDISK1_FILENAME
+ string "Host filename for the second simulated device"
+ depends on BLK_DEV_SIMDISK = y && BLK_DEV_SIMDISK_COUNT != 1
+ default ""
+ help
+ Another simulated disk in a host file for a buildroot-independent
+ storage.
+
source "mm/Kconfig"
source "drivers/pcmcia/Kconfig"