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rk: move sram.c from mach-rk29 to plat-rk

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黄涛
2012-02-10 16:27:40 +08:00
parent 34a8da9eb2
commit fc30b5923e
5 changed files with 43 additions and 41 deletions
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2
arch/arm/mach-rk29/Makefile
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@@ -1,4 +1,4 @@
obj-y += timer.o io.o devices.o iomux.o clock.o rk29-pl330.o dma.o ddr.o sram.o memcpy_dma.o reset.o
obj-y += timer.o io.o devices.o iomux.o clock.o rk29-pl330.o dma.o ddr.o memcpy_dma.o reset.o
obj-y += tests.o memtester.o
obj-y += early_printk.o
ifndef CONFIG_DEBUG_LL

41
arch/arm/mach-rk29/include/mach/sram.h
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@@ -1,40 +1 @@
/*
* Copyright (C) 2008-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* TCM memory handling for ARM systems
*
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Rickard Andersson <rickard.andersson@stericsson.com>
*/
#ifndef __ARCH_ARM_MACH_RK29_SRAM_H
#define __ARCH_ARM_MACH_RK29_SRAM_H
#ifdef CONFIG_ARCH_RK29
/* Tag variables with this */
#define __sramdata __section(.sram.data)
/* Tag constants with this */
#define __sramconst __section(.sram.rodata)
/* Tag functions inside SRAM called from outside SRAM with this */
#define __sramfunc __attribute__((long_call)) __section(.sram.text) noinline
/* Tag function inside SRAM called from inside SRAM with this */
#define __sramlocalfunc __section(.sram.text)
void __init rk29_sram_init(void);
static inline unsigned long ddr_save_sp(unsigned long new_sp)
{
unsigned long old_sp;
asm volatile ("mov %0, sp" : "=r" (old_sp));
asm volatile ("mov sp, %0" :: "r" (new_sp));
return old_sp;
}
// save_sp <20><><EFBFBD>붨<EFBFBD><EBB6A8>Ϊȫ<CEAA>ֱ<EFBFBD><D6B1><EFBFBD>
#define DDR_SAVE_SP(save_sp) do { save_sp = ddr_save_sp((SRAM_DATA_END&(~7))); } while (0)
#define DDR_RESTORE_SP(save_sp) do { ddr_save_sp(save_sp); } while (0)
#endif
#endif
#include <plat/sram.h>

1
arch/arm/plat-rk/Makefile
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@@ -3,3 +3,4 @@ obj-$(CONFIG_USB_GADGET) += usb_detect.o
obj-$(CONFIG_RK29_VPU) += vpu_service.o
obj-$(CONFIG_ARCH_RK30) += dma-pl330.o
obj-y += mem_reserve.o
obj-y += sram.o

40
arch/arm/plat-rk/include/plat/sram.h Normal file
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@@ -0,0 +1,40 @@
/*
* Copyright (C) 2008-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* TCM memory handling for ARM systems
*
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Rickard Andersson <rickard.andersson@stericsson.com>
*/
#ifndef __ARCH_ARM_MACH_RK29_SRAM_H
#define __ARCH_ARM_MACH_RK29_SRAM_H
#ifdef CONFIG_ARCH_RK29
/* Tag variables with this */
#define __sramdata __section(.sram.data)
/* Tag constants with this */
#define __sramconst __section(.sram.rodata)
/* Tag functions inside SRAM called from outside SRAM with this */
#define __sramfunc __attribute__((long_call)) __section(.sram.text) noinline
/* Tag function inside SRAM called from inside SRAM with this */
#define __sramlocalfunc __section(.sram.text)
void __init rk29_sram_init(void);
static inline unsigned long ddr_save_sp(unsigned long new_sp)
{
unsigned long old_sp;
asm volatile ("mov %0, sp" : "=r" (old_sp));
asm volatile ("mov sp, %0" :: "r" (new_sp));
return old_sp;
}
// save_sp <20><><EFBFBD>붨<EFBFBD><EBB6A8>Ϊȫ<CEAA>ֱ<EFBFBD><D6B1><EFBFBD>
#define DDR_SAVE_SP(save_sp) do { save_sp = ddr_save_sp((SRAM_DATA_END&(~7))); } while (0)
#define DDR_RESTORE_SP(save_sp) do { ddr_save_sp(save_sp); } while (0)
#endif
#endif

0
arch/arm/mach-rk29/sram.c → arch/arm/plat-rk/sram.c
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