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-rw-r--r--board/freescale/common/sdhc_boot.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/board/freescale/common/sdhc_boot.c b/board/freescale/common/sdhc_boot.c
index f6e2b2b..022f38b 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);