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Commit cefd3e71 authored by Russell King's avatar Russell King
Browse files

Merge branch 'mach_memory_h' of git://git.linaro.org/people/nico/linux into devel-stable

parents a26bce12 0cdc8b92

arch/arm/Kconfig

+36 −10
Original line number Diff line number Diff line
@@ -196,7 +196,8 @@ config VECTORS_BASE 
	  The base address of exception vectors.



config ARM_PATCH_PHYS_VIRT

	bool "Patch physical to virtual translations at runtime"

	bool "Patch physical to virtual translations at runtime" if EMBEDDED

	default y

	depends on !XIP_KERNEL && MMU

	depends on !ARCH_REALVIEW || !SPARSEMEM

	help
@@ -205,16 +206,25 @@ config ARM_PATCH_PHYS_VIRT 
	  kernel in system memory.



	  This can only be used with non-XIP MMU kernels where the base

	  of physical memory is at a 16MB boundary, or theoretically 64K

	  for the MSM machine class.

	  of physical memory is at a 16MB boundary.



config ARM_PATCH_PHYS_VIRT_16BIT

	def_bool y

	depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM

	  Only disable this option if you know that you do not require

	  this feature (eg, building a kernel for a single machine) and

	  you need to shrink the kernel to the minimal size.



config NEED_MACH_MEMORY_H

	bool

	help

	  Select this when mach/memory.h is required to provide special

	  definitions for this platform.  The need for mach/memory.h should

	  be avoided when possible.



config PHYS_OFFSET

	hex "Physical address of main memory"

	depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H

	help

	  This option extends the physical to virtual translation patching

	  to allow physical memory down to a theoretical minimum of 64K

	  boundaries.

	  Please provide the physical address corresponding to the

	  location of main memory in your system.



source "init/Kconfig"
@@ -247,6 +257,7 @@ config ARCH_INTEGRATOR 
	select GENERIC_CLOCKEVENTS

	select PLAT_VERSATILE

	select PLAT_VERSATILE_FPGA_IRQ

	select NEED_MACH_MEMORY_H

	help

	  Support for ARM's Integrator platform.
@@ -262,6 +273,7 @@ config ARCH_REALVIEW 
	select PLAT_VERSATILE_CLCD

	select ARM_TIMER_SP804

	select GPIO_PL061 if GPIOLIB

	select NEED_MACH_MEMORY_H

	help

	  This enables support for ARM Ltd RealView boards.
@@ -302,7 +314,6 @@ config ARCH_AT91 
	select ARCH_REQUIRE_GPIOLIB

	select HAVE_CLK

	select CLKDEV_LOOKUP

	select ARM_PATCH_PHYS_VIRT if MMU

	help

	  This enables support for systems based on the Atmel AT91RM9200,

	  AT91SAM9 and AT91CAP9 processors.
@@ -323,6 +334,7 @@ config ARCH_CLPS711X 
	bool "Cirrus Logic CLPS711x/EP721x-based"

	select CPU_ARM720T

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  Support for Cirrus Logic 711x/721x based boards.
@@ -363,6 +375,7 @@ config ARCH_EBSA110 
	select ISA

	select NO_IOPORT

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  This is an evaluation board for the StrongARM processor available

	  from Digital. It has limited hardware on-board, including an
@@ -378,6 +391,7 @@ config ARCH_EP93XX 
	select ARCH_REQUIRE_GPIOLIB

	select ARCH_HAS_HOLES_MEMORYMODEL

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MEMORY_H

	help

	  This enables support for the Cirrus EP93xx series of CPUs.
@@ -386,6 +400,7 @@ config ARCH_FOOTBRIDGE 
	select CPU_SA110

	select FOOTBRIDGE

	select GENERIC_CLOCKEVENTS

	select NEED_MACH_MEMORY_H

	help

	  Support for systems based on the DC21285 companion chip

	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
@@ -435,6 +450,7 @@ config ARCH_IOP13XX 
	select PCI

	select ARCH_SUPPORTS_MSI

	select VMSPLIT_1G

	select NEED_MACH_MEMORY_H

	help

	  Support for Intel's IOP13XX (XScale) family of processors.
@@ -465,6 +481,7 @@ config ARCH_IXP23XX 
	select CPU_XSC3

 	select PCI

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  Support for Intel's IXP23xx (XScale) family of processors.
@@ -474,6 +491,7 @@ config ARCH_IXP2000 
	select CPU_XSCALE

	select PCI

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  Support for Intel's IXP2400/2800 (XScale) family of processors.
@@ -567,6 +585,7 @@ config ARCH_KS8695 
	select CPU_ARM922T

	select ARCH_REQUIRE_GPIOLIB

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based

	  System-on-Chip devices.
@@ -658,6 +677,7 @@ config ARCH_SHMOBILE 
	select SPARSE_IRQ

	select MULTI_IRQ_HANDLER

	select PM_GENERIC_DOMAINS if PM

	select NEED_MACH_MEMORY_H

	help

	  Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
@@ -672,6 +692,7 @@ config ARCH_RPC 
	select NO_IOPORT

	select ARCH_SPARSEMEM_ENABLE

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  On the Acorn Risc-PC, Linux can support the internal IDE disk and

	  CD-ROM interface, serial and parallel port, and the floppy drive.
@@ -690,6 +711,7 @@ config ARCH_SA1100 
	select HAVE_SCHED_CLOCK

	select TICK_ONESHOT

	select ARCH_REQUIRE_GPIOLIB

	select NEED_MACH_MEMORY_H

	help

	  Support for StrongARM 11x0 based boards.
@@ -782,6 +804,7 @@ config ARCH_S5PV210 
	select HAVE_S3C2410_I2C if I2C

	select HAVE_S3C_RTC if RTC_CLASS

	select HAVE_S3C2410_WATCHDOG if WATCHDOG

	select NEED_MACH_MEMORY_H

	help

	  Samsung S5PV210/S5PC110 series based systems
@@ -798,6 +821,7 @@ config ARCH_EXYNOS4 
	select HAVE_S3C_RTC if RTC_CLASS

	select HAVE_S3C2410_I2C if I2C

	select HAVE_S3C2410_WATCHDOG if WATCHDOG

	select NEED_MACH_MEMORY_H

	help

	  Samsung EXYNOS4 series based systems
@@ -809,6 +833,7 @@ config ARCH_SHARK 
	select ZONE_DMA

	select PCI

	select ARCH_USES_GETTIMEOFFSET

	select NEED_MACH_MEMORY_H

	help

	  Support for the StrongARM based Digital DNARD machine, also known

	  as "Shark" (<http://www.shark-linux.de/shark.html>).
@@ -836,6 +861,7 @@ config ARCH_U300 
	select CLKDEV_LOOKUP

	select HAVE_MACH_CLKDEV

	select GENERIC_GPIO

	select NEED_MACH_MEMORY_H

	help

	  Support for ST-Ericsson U300 series mobile platforms.

arch/arm/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -128,6 +128,9 @@ textofs-$(CONFIG_PM_H1940) := 0x00108000 
ifeq ($(CONFIG_ARCH_SA1100),y)

textofs-$(CONFIG_SA1111) := 0x00208000

endif

textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000

textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000

textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000



# Machine directory name.  This list is sorted alphanumerically

# by CONFIG_* macro name.

arch/arm/include/asm/memory.h

+8 −8
Original line number Diff line number Diff line
@@ -16,9 +16,12 @@ 
#include <linux/compiler.h>

#include <linux/const.h>

#include <linux/types.h>

#include <mach/memory.h>

#include <asm/sizes.h>



#ifdef CONFIG_NEED_MACH_MEMORY_H

#include <mach/memory.h>

#endif



/*

 * Allow for constants defined here to be used from assembly code

 * by prepending the UL suffix only with actual C code compilation.
@@ -151,7 +154,6 @@ 
 * so that all we need to do is modify the 8-bit constant field.

 */

#define __PV_BITS_31_24	0x81000000

#define __PV_BITS_23_16	0x00810000



extern unsigned long __pv_phys_offset;

#define PHYS_OFFSET __pv_phys_offset
@@ -169,9 +171,6 @@ static inline unsigned long __virt_to_phys(unsigned long x) 
{

	unsigned long t;

	__pv_stub(x, t, "add", __PV_BITS_31_24);

#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT

	__pv_stub(t, t, "add", __PV_BITS_23_16);

#endif

	return t;

}
@@ -179,9 +178,6 @@ static inline unsigned long __phys_to_virt(unsigned long x) 
{

	unsigned long t;

	__pv_stub(x, t, "sub", __PV_BITS_31_24);

#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT

	__pv_stub(t, t, "sub", __PV_BITS_23_16);

#endif

	return t;

}

#else
@@ -191,7 +187,11 @@ static inline unsigned long __phys_to_virt(unsigned long x) 
#endif



#ifndef PHYS_OFFSET

#ifdef PLAT_PHYS_OFFSET

#define PHYS_OFFSET	PLAT_PHYS_OFFSET

#else

#define PHYS_OFFSET	UL(CONFIG_PHYS_OFFSET)

#endif

#endif



/*

arch/arm/include/asm/module.h

+0 −4
Original line number Diff line number Diff line
@@ -31,11 +31,7 @@ struct mod_arch_specific { 


/* Add __virt_to_phys patching state as well */

#ifdef CONFIG_ARM_PATCH_PHYS_VIRT

#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT

#define MODULE_ARCH_VERMAGIC_P2V "p2v16 "

#else

#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "

#endif

#else

#define MODULE_ARCH_VERMAGIC_P2V ""

#endif

arch/arm/kernel/debug.S

+2 −2
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ 
#if defined(CONFIG_DEBUG_ICEDCC)

		@@ debug using ARM EmbeddedICE DCC channel



		.macro	addruart, rp, rv

		.macro	addruart, rp, rv, tmp

		.endm



#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
@@ -106,7 +106,7 @@ 


#ifdef CONFIG_MMU

		.macro	addruart_current, rx, tmp1, tmp2

		addruart	\tmp1, \tmp2

		addruart	\tmp1, \tmp2, \rx

		mrc		p15, 0, \rx, c1, c0

		tst		\rx, #1

		moveq		\rx, \tmp1