ARM: at91: at91sam9rlek: add mmc environment configuration

Add a mmc default config, which will save the environment in a FAT file
(uboot.env) of MMC.

Signed-off-by: Josh Wu <josh.wu@atmel.com>

diff --git a/configs/at91sam9rlek_mmc_defconfig b/configs/at91sam9rlek_mmc_defconfig
new file mode 100644 (file)
index 0000000..b93c881
--- /dev/null
+++ b/configs/at91sam9rlek_mmc_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_MMC"
+CONFIG_ARM=y
+CONFIG_TARGET_AT91SAM9RLEK=y

diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 2ed92d61d96ec6d1cfdb8cf80ea1b0ce1245d0ca..6c1bd304c63d7ec77c5b32cdf5c2bebb346daa33 100644 (file)
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -158,7 +158,7 @@
                                "mtdparts=atmel_nand:-(root) "\
                                "rw rootfstype=jffs2"
 
-#else /* CONFIG_SYS_USE_NANDFLASH */
+#elif CONFIG_SYS_USE_NANDFLASH
 
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND          1
@@ -175,6 +175,22 @@
                                "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
                                "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
 
+#else /* CONFIG_SYS_USE_MMC */
+
+/* bootstrap + u-boot + env + linux in mmc */
+#define CONFIG_ENV_IS_IN_FAT
+#define CONFIG_FAT_WRITE
+#define FAT_ENV_INTERFACE      "mmc"
+#define FAT_ENV_FILE           "uboot.env"
+#define FAT_ENV_DEVICE_AND_PART        "0"
+#define CONFIG_ENV_SIZE                0x4000
+#define CONFIG_BOOTCOMMAND     "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
+                               "fatload mmc 0:1 0x22000000 zImage; " \
+                               "bootz 0x22000000 - 0x21000000"
+#define CONFIG_BOOTARGS                "console=ttyS0,115200 " \
+                               "mtdparts=atmel_nand:" \
+                               "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
+                               "root=/dev/mmcblk0p2 rw rootwait"
 #endif
 
 #define CONFIG_SYS_PROMPT              "U-Boot> "