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ARM: 8113/1: remove remaining definitions of PLAT_PHYS_OFFSET from <mach/memory.h>

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The platforms selecting NEED_MACH_MEMORY_H defined the start address of
their physical memory in the respective <mach/memory.h>. With
ARM_PATCH_PHYS_VIRT=y (which is quite common today) this is useless
though because the definition isn't used but determined dynamically.

So remove the definitions from all <mach/memory.h> and provide the
Kconfig symbol PHYS_OFFSET with the respective defaults in case
ARM_PATCH_PHYS_VIRT isn't enabled.

This allows to drop the dependency of PHYS_OFFSET on !NEED_MACH_MEMORY_H
which prevents compiling an integrator nommu-kernel.
(CONFIG_PAGE_OFFSET which has "default PHYS_OFFSET if !MMU" expanded to
"0x" because CONFIG_PHYS_OFFSET doesn't exist as INTEGRATOR selects
NEED_MACH_MEMORY_H.)

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Uwe Kleine-König 2014-07-23 20:37:43 +01:00 committed by Russell King
parent 04fcab32d3
commit c6f54a9b39
13 changed files with 17 additions and 79 deletions
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17
arch/arm/Kconfig
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@ -262,8 +262,22 @@ config NEED_MACH_MEMORY_H
config PHYS_OFFSET
hex "Physical address of main memory" if MMU
depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
depends on !ARM_PATCH_PHYS_VIRT
default DRAM_BASE if !MMU
default 0x00000000 if ARCH_EBSA110 || \
EP93XX_SDCE3_SYNC_PHYS_OFFSET || \
ARCH_FOOTBRIDGE || \
ARCH_INTEGRATOR || \
ARCH_IOP13XX || \
ARCH_KS8695 || \
(ARCH_REALVIEW && !REALVIEW_HIGH_PHYS_OFFSET)
default 0x10000000 if ARCH_OMAP1 || ARCH_RPC
default 0x20000000 if ARCH_S5PV210
default 0x70000000 if REALVIEW_HIGH_PHYS_OFFSET
default 0xc0000000 if EP93XX_SDCE0_PHYS_OFFSET || ARCH_SA1100
default 0xd0000000 if EP93XX_SDCE1_PHYS_OFFSET
default 0xe0000000 if EP93XX_SDCE2_PHYS_OFFSET
default 0xf0000000 if EP93XX_SDCE3_ASYNC_PHYS_OFFSET
help
Please provide the physical address corresponding to the
location of main memory in your system.
@ -435,7 +449,6 @@ config ARCH_EP93XX
select ARM_VIC
select CLKDEV_LOOKUP
select CPU_ARM920T
select NEED_MACH_MEMORY_H
help
This enables support for the Cirrus EP93xx series of CPUs.

6
arch/arm/include/asm/memory.h
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@ -150,13 +150,11 @@
/*
* PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
* memory. This is used for XIP and NoMMU kernels, or by kernels which
* have their own mach/memory.h. Assembly code must always use
* memory. This is used for XIP and NoMMU kernels, and on platforms that don't
* have CONFIG_ARM_PATCH_PHYS_VIRT. Assembly code must always use
* PLAT_PHYS_OFFSET and not PHYS_OFFSET.
*/
#ifndef PLAT_PHYS_OFFSET
#define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
#endif
#ifndef __ASSEMBLY__

5
arch/arm/mach-ebsa110/include/mach/memory.h
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@ -16,11 +16,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x00000000)
/*
* Cache flushing area - SRAM
*/

22
arch/arm/mach-ep93xx/include/mach/memory.h
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@ -1,22 +0,0 @@
/*
* arch/arm/mach-ep93xx/include/mach/memory.h
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#if defined(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)
#define PLAT_PHYS_OFFSET UL(0x00000000)
#elif defined(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)
#define PLAT_PHYS_OFFSET UL(0xc0000000)
#elif defined(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)
#define PLAT_PHYS_OFFSET UL(0xd0000000)
#elif defined(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)
#define PLAT_PHYS_OFFSET UL(0xe0000000)
#elif defined(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)
#define PLAT_PHYS_OFFSET UL(0xf0000000)
#else
#error "Kconfig bug: No EP93xx PHYS_OFFSET set"
#endif
#endif

5
arch/arm/mach-footbridge/include/mach/memory.h
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@ -59,11 +59,6 @@ extern unsigned long __bus_to_pfn(unsigned long);
*/
#define FLUSH_BASE 0xf9000000
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x00000000)
#define FLUSH_BASE_PHYS 0x50000000
#endif

5
arch/arm/mach-integrator/include/mach/memory.h
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@ -20,11 +20,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x00000000)
#define BUS_OFFSET UL(0x80000000)
#define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET)
#define __bus_to_virt(x) ((x) - BUS_OFFSET + PAGE_OFFSET)

5
arch/arm/mach-iop13xx/include/mach/memory.h
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@ -3,11 +3,6 @@
#include <mach/hardware.h>
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x00000000)
#ifndef __ASSEMBLY__
#if defined(CONFIG_ARCH_IOP13XX)

5
arch/arm/mach-ks8695/include/mach/memory.h
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@ -15,11 +15,6 @@
#include <mach/hardware.h>
/*
* Physical SRAM offset.
*/
#define PLAT_PHYS_OFFSET KS8695_SDRAM_PA
#ifndef __ASSEMBLY__
#ifdef CONFIG_PCI

5
arch/arm/mach-omap1/include/mach/memory.h
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@ -5,11 +5,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x10000000)
/*
* Bus address is physical address, except for OMAP-1510 Local Bus.
* OMAP-1510 bus address is translated into a Local Bus address if the

9
arch/arm/mach-realview/include/mach/memory.h
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@ -20,15 +20,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET
#define PLAT_PHYS_OFFSET UL(0x70000000)
#else
#define PLAT_PHYS_OFFSET UL(0x00000000)
#endif
#ifdef CONFIG_SPARSEMEM
/*

5
arch/arm/mach-rpc/include/mach/memory.h
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@ -18,11 +18,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PLAT_PHYS_OFFSET UL(0x10000000)
/*
* Cache flushing area - ROM
*/

2
arch/arm/mach-s5pv210/include/mach/memory.h
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@ -13,8 +13,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#define PLAT_PHYS_OFFSET UL(0x20000000)
/*
* Sparsemem support
* Physical memory can be located from 0x20000000 to 0x7fffffff,

5
arch/arm/mach-sa1100/include/mach/memory.h
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@ -9,11 +9,6 @@
#include <asm/sizes.h>
/*
* Physical DRAM offset is 0xc0000000 on the SA1100
*/
#define PLAT_PHYS_OFFSET UL(0xc0000000)
/*
* Because of the wide memory address space between physical RAM banks on the
* SA1100, it's much convenient to use Linux's SparseMEM support to implement