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authorWu, Josh <Josh.wu@atmel.com>2015-02-02 17:51:01 +0800
committerAndreas Bießmann <andreas.devel@googlemail.com>2015-03-18 23:36:02 +0100
commit0b12843493cbeb59c7aee207b1b6d0c8daf24833 (patch)
treeccf2898dd13697af25c6b2954244186be1454fe0 /include/configs
parent111ec4c65208bb13f3957d5a1c84b228eb83bdde (diff)
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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>
Diffstat (limited to 'include/configs')
-rw-r--r--include/configs/at91sam9rlek.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 2ed92d6..6c1bd30 100644
--- 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> "