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mx23_olinuxino: Add default environment

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This adds a default environment with support for MMC booting.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Otavio Salvador 2013-01-23 10:30:33 +00:00 committed by Stefano Babic
parent 13b1ebdec6
commit 38fc15d86c
1 changed files with 70 additions and 7 deletions
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77
include/configs/mx23_olinuxino.h
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@ -126,12 +126,6 @@
*/
#define CONFIG_APBH_DMA
/*
* ENV -- nowhere so far
*/
#define CONFIG_ENV_SIZE (16 * 1024)
#define CONFIG_ENV_IS_NOWHERE
/*
* Boot Linux
*/
@ -139,9 +133,78 @@
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTFILE "uImage"
#define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 "
#define CONFIG_LOADADDR 0x42000000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_OF_LIBFDT
/*
* Environment
*/
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OVERWRITE
#ifdef CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET (256 * 1024)
#define CONFIG_ENV_SIZE (16 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV 0
#endif
/*
* Extra Environments
*/
#define CONFIG_EXTRA_ENV_SETTINGS \
"update_sd_firmware_filename=u-boot.sd\0" \
"update_sd_firmware=" /* Update the SD firmware partition */ \
"if mmc rescan ; then " \
"if tftp ${update_sd_firmware_filename} ; then " \
"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
"setexpr fw_sz ${fw_sz} + 1 ; " \
"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
"fi ; " \
"fi\0" \
"script=boot.scr\0" \
"uimage=uImage\0" \
"console=ttyAMA0\0" \
"fdt_file=imx23-olinuxino.dtb\0" \
"fdt_addr=0x41000000\0" \
"boot_fdt=try\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootm ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootm; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootm; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loaduimage; then " \
"run mmcboot; " \
"else " \
"echo ERR: Fail to boot from MMC; " \
"fi; " \
"fi; " \
"else exit; fi"
#endif /* __MX23_OLINUXINO_CONFIG_H__ */