[U-Boot] [PATCH 2/2] ARM: at91sam9m10g45ek: add mmc environment configuration support
Josh Wu
josh.wu at atmel.com
Tue May 20 12:38:03 CEST 2014
In this configuration the environment will save in file: uboot.env of
mmc card.
Signed-off-by: Josh Wu <josh.wu at atmel.com>
---
boards.cfg | 1 +
include/configs/at91sam9m10g45ek.h | 20 ++++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/boards.cfg b/boards.cfg
index 3a59686..9f7cfd8 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -102,6 +102,7 @@ Active arm arm926ejs at91 atmel at91sam9263ek
Active arm arm926ejs at91 atmel at91sam9263ek at91sam9263ek_norflash at91sam9263ek:AT91SAM9263,SYS_USE_NORFLASH Stelian Pop <stelian at popies.net>
Active arm arm926ejs at91 atmel at91sam9263ek at91sam9263ek_norflash_boot at91sam9263ek:AT91SAM9263,SYS_USE_BOOT_NORFLASH Stelian Pop <stelian at popies.net>
Active arm arm926ejs at91 atmel at91sam9m10g45ek at91sam9m10g45ek_nandflash at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_NANDFLASH Bo Shen<voice.shen at atmel.com>
+Active arm arm926ejs at91 atmel at91sam9m10g45ek at91sam9m10g45ek_mmc at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_MMC Bo Shen<voice.shen at atmel.com>
Active arm arm926ejs at91 atmel at91sam9n12ek at91sam9n12ek_mmc at91sam9n12ek:AT91SAM9N12,SYS_USE_MMC Josh Wu <josh.wu at atmel.com>
Active arm arm926ejs at91 atmel at91sam9n12ek at91sam9n12ek_nandflash at91sam9n12ek:AT91SAM9N12,SYS_USE_NANDFLASH Josh Wu <josh.wu at atmel.com>
Active arm arm926ejs at91 atmel at91sam9n12ek at91sam9n12ek_spiflash at91sam9n12ek:AT91SAM9N12,SYS_USE_SPIFLASH Josh Wu <josh.wu at atmel.com>
diff --git a/include/configs/at91sam9m10g45ek.h b/include/configs/at91sam9m10g45ek.h
index df277e7..07b2188 100644
--- a/include/configs/at91sam9m10g45ek.h
+++ b/include/configs/at91sam9m10g45ek.h
@@ -147,6 +147,7 @@
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END 0x23e00000
+#ifdef CONFIG_SYS_USE_NANDFLASH
/* bootstrap + u-boot + env in nandflash */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET 0xc0000
@@ -162,6 +163,25 @@
"256k(env),256k(env_redundant),256k(spare)," \
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mtdblock7 rw rootfstype=jffs2"
+#elif CONFIG_SYS_USE_MMC
+/* bootstrap + u-boot + env + linux in mmc */
+#define FAT_ENV_INTERFACE "mmc"
+#define FAT_ENV_DEVICE 0
+#define FAT_ENV_PART 1
+#define FAT_ENV_FILE "uboot.env"
+#define CONFIG_ENV_IS_IN_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_ENV_SIZE 0x4000
+
+#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 " \
+ "mtdparts=atmel_nand:" \
+ "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
+ "root=/dev/mmcblk0p2 " \
+ "rw rootfstype=ext4 rootwait"
+#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x71000000 dtb; " \
+ "fatload mmc 0:1 0x72000000 uImage; " \
+ "bootm 0x72000000 - 0x71000000"
+#endif
#define CONFIG_BAUDRATE 115200
--
1.7.9.5
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