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| author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2012-11-02 01:15:38 +0000 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2012-11-15 21:08:21 +0900 |
| commit | 7a5337732e3e05b2b0de1b592fa031b2c7b4f632 (patch) | |
| tree | 10f6d3d6bc78920927696df86405a794077ee88a | |
| parent | 3a8a70017d33e4f72f647154ed3432253b3dfac4 (diff) | |
| download | u-boot-imx-7a5337732e3e05b2b0de1b592fa031b2c7b4f632.zip u-boot-imx-7a5337732e3e05b2b0de1b592fa031b2c7b4f632.tar.gz u-boot-imx-7a5337732e3e05b2b0de1b592fa031b2c7b4f632.tar.bz2 | |
EXYNOS5: Enable SPI booting.
This patch enables SPI Booting for EXYNOS5
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| -rw-r--r-- | board/samsung/smdk5250/Makefile | 2 | ||||
| -rw-r--r-- | board/samsung/smdk5250/spl_boot.c (renamed from board/samsung/smdk5250/mmc_boot.c) | 31 | ||||
| -rw-r--r-- | include/configs/smdk5250.h | 5 |
3 files changed, 35 insertions, 3 deletions
diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile index 1474fa8..47c6a5a 100644 --- a/board/samsung/smdk5250/Makefile +++ b/board/samsung/smdk5250/Makefile @@ -36,7 +36,7 @@ COBJS += smdk5250.o endif ifdef CONFIG_SPL_BUILD -COBJS += mmc_boot.o +COBJS += spl_boot.o endif SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/samsung/smdk5250/mmc_boot.c b/board/samsung/smdk5250/spl_boot.c index 449a919..d8f3c1e 100644 --- a/board/samsung/smdk5250/mmc_boot.c +++ b/board/samsung/smdk5250/spl_boot.c @@ -23,6 +23,16 @@ #include<common.h> #include<config.h> +enum boot_mode { + BOOT_MODE_MMC = 4, + BOOT_MODE_SERIAL = 20, + /* Boot based on Operating Mode pin settings */ + BOOT_MODE_OM = 32, + BOOT_MODE_USB, /* Boot using USB download */ +}; + + typedef u32 (*spi_copy_func_t)(u32 offset, u32 nblock, u32 dst); + /* * Copy U-boot from mmc to RAM: * COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains @@ -30,9 +40,26 @@ */ void copy_uboot_to_ram(void) { - u32 (*copy_bl2)(u32, u32, u32) = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR; + spi_copy_func_t spi_copy; + enum boot_mode bootmode; + u32 (*copy_bl2)(u32, u32, u32); + + bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT; - copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE); + switch (bootmode) { + case BOOT_MODE_SERIAL: + spi_copy = *(spi_copy_func_t *)EXYNOS_COPY_SPI_FNPTR_ADDR; + spi_copy(SPI_FLASH_UBOOT_POS, CONFIG_BL2_SIZE, + CONFIG_SYS_TEXT_BASE); + break; + case BOOT_MODE_MMC: + copy_bl2 = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR; + copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, + CONFIG_SYS_TEXT_BASE); + break; + default: + break; + } } void board_init_f(unsigned long bootflag) diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h index 4973c33..e412da8 100644 --- a/include/configs/smdk5250.h +++ b/include/configs/smdk5250.h @@ -187,6 +187,11 @@ /* U-boot copy size from boot Media to DRAM.*/ #define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512) #define BL2_SIZE_BLOC_COUNT (CONFIG_BL2_SIZE/512) + +#define OM_STAT (0x1f << 1) +#define EXYNOS_COPY_SPI_FNPTR_ADDR 0x02020058 +#define SPI_FLASH_UBOOT_POS (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE) + #define CONFIG_DOS_PARTITION #define CONFIG_IRAM_STACK 0x02050000 |