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| author | Aneesh V <aneesh@ti.com> | 2010-09-12 10:32:55 +0530 |
|---|---|---|
| committer | Sandeep Paulraj <s-paulraj@ti.com> | 2010-09-28 13:54:43 -0400 |
| commit | 7ca3f9c5688b9f42d8dcc765c0f982be6542f4b3 (patch) | |
| tree | 6bac5e2d18e2ced2f98f6d9148a05fa3e4294534 /arch/arm/include | |
| parent | c1244e852f06346a65ffa433b172fef8dfe33032 (diff) | |
| download | u-boot-imx-7ca3f9c5688b9f42d8dcc765c0f982be6542f4b3.zip u-boot-imx-7ca3f9c5688b9f42d8dcc765c0f982be6542f4b3.tar.gz u-boot-imx-7ca3f9c5688b9f42d8dcc765c0f982be6542f4b3.tar.bz2 | |
ARMV7: OMAP4: Calculate SDRAM size
Calculate the SDRAM size from DMM configuration registers instead of using
hard-coded values. This gives correct values for all different boards.
It's assumed that DMM sections do not overlap memory areas.
Signed-off-by: Aneesh V <aneesh@ti.com>
Tested-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/omap4.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h index d0c808d..a30bb33 100644 --- a/arch/arm/include/asm/arch-omap4/omap4.h +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -42,6 +42,10 @@ #define OMAP44XX_L4_WKUP_BASE 0x4A300000 #define OMAP44XX_L4_PER_BASE 0x48000000 +#define OMAP44XX_DRAM_ADDR_SPACE_START 0x80000000 +#define OMAP44XX_DRAM_ADDR_SPACE_END 0xD0000000 + + /* CONTROL */ #define CTRL_BASE (OMAP44XX_L4_CORE_BASE + 0x2000) #define CONTROL_PADCONF_CORE (OMAP44XX_L4_CORE_BASE + 0x100000) @@ -66,6 +70,12 @@ /* GPMC */ #define OMAP44XX_GPMC_BASE 0x50000000 +/* DMM */ +#define OMAP44XX_DMM_BASE 0x4E000000 +#define DMM_LISA_MAP_BASE (OMAP44XX_DMM_BASE + 0x40) +#define DMM_LISA_MAP_SYS_SIZE_MASK (7 << 20) +#define DMM_LISA_MAP_SYS_SIZE_SHIFT 20 +#define DMM_LISA_MAP_SYS_ADDR_MASK (0xFF << 24) /* * Hardware Register Details */ |