diff options
Diffstat (limited to 'board/freescale/common/sdhc_boot.c')
| -rw-r--r-- | board/freescale/common/sdhc_boot.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/board/freescale/common/sdhc_boot.c b/board/freescale/common/sdhc_boot.c index f6e2b2bbd6..022f38b117 100644 --- a/board/freescale/common/sdhc_boot.c +++ b/board/freescale/common/sdhc_boot.c @@ -16,6 +16,8 @@ #define ESDHC_BOOT_IMAGE_SIZE 0x48 #define ESDHC_BOOT_IMAGE_ADDR 0x50 +#define ESDHC_DEFAULT_ENVADDR 0x400 + int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr) { u8 *tmp_buf; @@ -39,6 +41,33 @@ int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr) /* Get the code size from offset 0x48 */ code_len = *(u32 *)(tmp_buf + ESDHC_BOOT_IMAGE_SIZE); +#ifdef CONFIG_ESDHC_HC_BLK_ADDR + /* + * On soc BSC9131, BSC9132: + * In High Capacity SD Cards (> 2 GBytes), the 32-bit source address and + * code length of these soc specify the memory address in block address + * format. Block length is fixed to 512 bytes as per the SD High + * Capacity specification. + */ + u64 tmp; + + if (mmc->high_capacity) { + tmp = (u64)code_offset * blklen; + tmp += code_len * blklen; + } else + tmp = code_offset + code_len; + + if ((tmp + CONFIG_ENV_SIZE > mmc->capacity) || + (tmp > 0xFFFFFFFFU)) + *env_addr = ESDHC_DEFAULT_ENVADDR; + else + *env_addr = tmp; + + free(tmp_buf); + + return 0; +#endif + *env_addr = code_offset + code_len; free(tmp_buf); |