diff options
Diffstat (limited to 'arch/arm/plat-omap/sram.c')
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 925f64711c37..d8d5094b37ed 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -25,11 +25,12 @@ #include <asm/mach/map.h> -#include <mach/sram.h> -#include <mach/board.h> -#include <mach/cpu.h> +#include <plat/sram.h> +#include <plat/board.h> +#include <plat/cpu.h> +#include <plat/vram.h> -#include <mach/control.h> +#include <plat/control.h> #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) # include "../mach-omap2/prm.h" @@ -41,14 +42,16 @@ #define OMAP1_SRAM_VA VMALLOC_END #define OMAP2_SRAM_PA 0x40200000 #define OMAP2_SRAM_PUB_PA 0x4020f800 -#define OMAP2_SRAM_VA 0xe3000000 +#define OMAP2_SRAM_VA 0xfe400000 #define OMAP2_SRAM_PUB_VA (OMAP2_SRAM_VA + 0x800) #define OMAP3_SRAM_PA 0x40200000 -#define OMAP3_SRAM_VA 0xe3000000 +#define OMAP3_SRAM_VA 0xfe400000 #define OMAP3_SRAM_PUB_PA 0x40208000 #define OMAP3_SRAM_PUB_VA (OMAP3_SRAM_VA + 0x8000) -#define OMAP4_SRAM_PA 0x40200000 /*0x402f0000*/ -#define OMAP4_SRAM_VA 0xd7000000 /*0xd70f0000*/ +#define OMAP4_SRAM_PA 0x40300000 +#define OMAP4_SRAM_VA 0xfe400000 +#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) +#define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) #define SRAM_BOOTLOADER_SZ 0x00 @@ -56,16 +59,16 @@ #define SRAM_BOOTLOADER_SZ 0x80 #endif -#define OMAP24XX_VA_REQINFOPERM0 OMAP2_IO_ADDRESS(0x68005048) -#define OMAP24XX_VA_READPERM0 OMAP2_IO_ADDRESS(0x68005050) -#define OMAP24XX_VA_WRITEPERM0 OMAP2_IO_ADDRESS(0x68005058) +#define OMAP24XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68005048) +#define OMAP24XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68005050) +#define OMAP24XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68005058) -#define OMAP34XX_VA_REQINFOPERM0 OMAP2_IO_ADDRESS(0x68012848) -#define OMAP34XX_VA_READPERM0 OMAP2_IO_ADDRESS(0x68012850) -#define OMAP34XX_VA_WRITEPERM0 OMAP2_IO_ADDRESS(0x68012858) -#define OMAP34XX_VA_ADDR_MATCH2 OMAP2_IO_ADDRESS(0x68012880) -#define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_IO_ADDRESS(0x6C000048) -#define OMAP34XX_VA_CONTROL_STAT OMAP2_IO_ADDRESS(0x480022F0) +#define OMAP34XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68012848) +#define OMAP34XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68012850) +#define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858) +#define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880) +#define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048) +#define OMAP34XX_VA_CONTROL_STAT OMAP2_L4_IO_ADDRESS(0x480022F0) #define GP_DEVICE 0x300 @@ -139,6 +142,10 @@ void __init omap_detect_sram(void) } else { omap_sram_size = 0x8000; /* 32K */ } + } else if (cpu_is_omap44xx()) { + omap_sram_base = OMAP4_SRAM_PUB_VA; + omap_sram_start = OMAP4_SRAM_PUB_PA; + omap_sram_size = 0xa000; /* 40K */ } else { omap_sram_base = OMAP2_SRAM_PUB_VA; omap_sram_start = OMAP2_SRAM_PUB_PA; @@ -152,7 +159,7 @@ void __init omap_detect_sram(void) } else if (cpu_is_omap44xx()) { omap_sram_base = OMAP4_SRAM_VA; omap_sram_start = OMAP4_SRAM_PA; - omap_sram_size = 0x8000; /* 32K */ + omap_sram_size = 0xe000; /* 56K */ } else { omap_sram_base = OMAP2_SRAM_VA; omap_sram_start = OMAP2_SRAM_PA; @@ -185,6 +192,13 @@ void __init omap_detect_sram(void) omap_sram_start + SRAM_BOOTLOADER_SZ, omap_sram_size - SRAM_BOOTLOADER_SZ); omap_sram_size -= reserved; + + reserved = omap_vram_reserve_sram(omap_sram_start, omap_sram_base, + omap_sram_size, + omap_sram_start + SRAM_BOOTLOADER_SZ, + omap_sram_size - SRAM_BOOTLOADER_SZ); + omap_sram_size -= reserved; + omap_sram_ceil = omap_sram_base + omap_sram_size; } @@ -270,7 +284,8 @@ void * omap_sram_push(void * start, unsigned long size) omap_sram_ceil -= size; omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *)); memcpy((void *)omap_sram_ceil, start, size); - flush_icache_range((unsigned long)start, (unsigned long)(start + size)); + flush_icache_range((unsigned long)omap_sram_ceil, + (unsigned long)(omap_sram_ceil + size)); return (void *)omap_sram_ceil; } @@ -395,22 +410,24 @@ u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc, sdrc_actim_ctrl_b_1, sdrc_mr_1); } -/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */ -void restore_sram_functions(void) +#ifdef CONFIG_PM +void omap3_sram_restore_context(void) { omap_sram_ceil = omap_sram_base + omap_sram_size; _omap3_sram_configure_core_dpll = omap_sram_push(omap3_sram_configure_core_dpll, omap3_sram_configure_core_dpll_sz); + omap_push_sram_idle(); } +#endif /* CONFIG_PM */ int __init omap34xx_sram_init(void) { _omap3_sram_configure_core_dpll = omap_sram_push(omap3_sram_configure_core_dpll, omap3_sram_configure_core_dpll_sz); - + omap_push_sram_idle(); return 0; } #else |