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add ARCH_HAS_CPU_IDLE_WAIT and ARCH_HAS_DEFAULT_IDLE configuration,
and expose default_idle and cpu_idle_wait
cpu_idle_wait implementation based on the implementation in the x86 tree
Change-Id: Ie24b6336db833cc638868abfdba822889646d0a8
Reviewed-on: http://git-master/r/950
Reviewed-by: Gary King <gking@nvidia.com>
Tested-by: Gary King <gking@nvidia.com>
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Conflicts:
MAINTAINERS
arch/arm/Kconfig
arch/arm/Makefile
arch/arm/boot/compressed/head.S
arch/arm/common/Makefile
arch/arm/configs/realview-smp_defconfig
arch/arm/configs/realview_defconfig
arch/arm/configs/versatile_defconfig
arch/arm/include/asm/elf.h
arch/arm/include/asm/uaccess.h
arch/arm/kernel/module.c
arch/arm/kernel/signal.c
arch/arm/mach-realview/Kconfig
arch/arm/mach-realview/Makefile
arch/arm/mach-realview/core.c
arch/arm/mach-realview/core.h
arch/arm/mach-realview/include/mach/board-pba8.h
arch/arm/mach-realview/include/mach/debug-macro.S
arch/arm/mach-realview/include/mach/hardware.h
arch/arm/mach-realview/include/mach/irqs.h
arch/arm/mach-realview/include/mach/memory.h
arch/arm/mach-realview/include/mach/uncompress.h
arch/arm/mach-realview/localtimer.c
arch/arm/mach-realview/platsmp.c
arch/arm/mach-realview/realview_eb.c
arch/arm/mach-realview/realview_pb1176.c
arch/arm/mach-realview/realview_pb11mp.c
arch/arm/mach-realview/realview_pba8.c
arch/arm/mm/Kconfig
arch/arm/mm/copypage-v6.c
arch/arm/mm/dma-mapping.c
arch/arm/mm/proc-v7.S
arch/arm/oprofile/op_model_mpcore.c
arch/arm/tools/mach-types
arch/arm/vfp/vfpmodule.c
drivers/mtd/maps/integrator-flash.c
drivers/net/smsc911x.c
drivers/net/smsc911x.h
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This patch adds the base support for the Cortex-M3 processor (ARMv7-M
architecture). It consists of the corresponding arch/arm/mm/ files and
various #ifdef's around the kernel. Exception handling is implemented by
a subsequent patch.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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With modified GNU assembler, these instructions are automatically
generated. This patch is to be used if such gas isn't available.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As a result of the ptebits changes, we ended up marking device mappings
as normal memory on ARMv7 CPUs, resulting in undesirable behaviour with
serial ports and the like. While reviewing the section mapping table
entries, other errors in the memory type settings for devices were
detected and confirmed to prevent Xscale3 platforms booting.
Tested on:
OMAP34xx (ARMv7),
OMAP24xx (ARMv6),
OMAP16xx (ARM926T, ARMv5),
PXA311 (Xscale3),
PXA272 (Xscale),
PXA255 (Xscale),
IXP42x (Xscale),
S3C2410 (ARM920T, ARMv4T),
ARM720T (ARMv4T)
StrongARM-110 (ARMv4)
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Tested-by: Mike Rapoport <mike@compulab.co.il>
Tested-by: Ben Dooks <ben-linux@fluff.org>
Tested-by: Anders Grafström <grfstrm@users.sourceforge.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add asm/cputype.h, moving functions and definitions from asm/system.h
there. Convert all users of 'processor_id' to the more efficient
read_cpuid_id() function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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