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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>
This commit is contained in:
Wu, Josh 2015-02-02 17:51:01 +08:00 committed by Andreas Bießmann
parent 111ec4c652
commit 0b12843493
2 changed files with 20 additions and 1 deletions
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3
configs/at91sam9rlek_mmc_defconfig Normal file
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@ -0,0 +1,3 @@
CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_MMC"
CONFIG_ARM=y
CONFIG_TARGET_AT91SAM9RLEK=y

18
include/configs/at91sam9rlek.h
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@ -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> "