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arm: at91: add at91sam9g20ek_mmc_config, which can save environment in mmc card

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Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
This commit is contained in:
Wu, Josh 2013-03-28 20:28:42 +00:00 committed by Andreas Bießmann
parent a73267a7ce
commit 248020734b
2 changed files with 18 additions and 1 deletions
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1
boards.cfg
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@ -94,6 +94,7 @@ at91sam9g10ek_dataflash_cs3 arm arm926ejs at91sam9261ek atmel
at91sam9g10ek_nandflash arm arm926ejs at91sam9261ek atmel at91 at91sam9261ek:AT91SAM9G10,SYS_USE_NANDFLASH
at91sam9g20ek_dataflash_cs0 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_DATAFLASH_CS0
at91sam9g20ek_dataflash_cs1 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_DATAFLASH_CS1
at91sam9g20ek_mmc arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_MMC
at91sam9g20ek_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_NANDFLASH
at91sam9g20ek_2mmc_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,AT91SAM9G20EK_2MMC,SYS_USE_NANDFLASH
at91sam9m10g45ek_nandflash arm arm926ejs at91sam9m10g45ek atmel at91 at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_NANDFLASH

18
include/configs/at91sam9260ek.h
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@ -223,7 +223,7 @@
"mtdparts=atmel_nand:-(root) " \
"rw rootfstype=jffs2"
#else /* CONFIG_SYS_USE_NANDFLASH */
#elif defined(CONFIG_SYS_USE_NANDFLASH)
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND 1
@ -238,6 +238,22 @@
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mtdblock7 rw rootfstype=jffs2"
#else /* CONFIG_SYS_USE_MMC */
/* bootstrap + u-boot + env + linux in mmc */
#define CONFIG_ENV_IS_IN_MMC
/* For FAT system, most cases it should be in the reserved sector */
#define CONFIG_ENV_OFFSET 0x2000
#define CONFIG_ENV_SIZE 0x1000
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_BOOTCOMMAND \
"fatload mmc 0:1 0x22000000 uImage; bootm"
#define CONFIG_BOOTARGS \
"console=ttyS0,115200 earlyprintk " \
"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
"256k(env),256k(env_redundant),256k(spare)," \
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
#endif
#define CONFIG_SYS_PROMPT "U-Boot> "