powerpc/85xx: Add support to save environment in SD card on p1_p2_rdb

If we boot from a SD card use it for the environment as well.

Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Signed-off-by: Poonam Aggrwal <Poonam.Aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index cccf84d1051b8957e03c906bddf9afd9d3694bde..59078564a891bc09178159139b6a83b92cf936d7 100644 (file)
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -521,7 +521,11 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
        #define CONFIG_ENV_IS_IN_NAND   1
        #define CONFIG_ENV_SIZE         CONFIG_SYS_NAND_BLOCK_SIZE
        #define CONFIG_ENV_OFFSET       ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
-#elif defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH)
+#elif defined(CONFIG_RAMBOOT_SDCARD)
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_SIZE                        0x2000
+#define CONFIG_SYS_MMC_ENV_DEV         0
+#elif defined(CONFIG_RAMBOOT_SPIFLASH)
        #define CONFIG_ENV_IS_NOWHERE   1       /* Store ENV in memory only */
        #define CONFIG_ENV_ADDR         (CONFIG_SYS_MONITOR_BASE - 0x1000)
        #define CONFIG_ENV_SIZE         0x2000