This adds a default environment with support for MMC booting.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v6: - Remove 'saveenv' command as it is not need - Move environment settings to environment section
Changes in v5: - Remove duplicate environment setting - Improve commit log
Changes in v4: None Changes in v3: None Changes in v2: None
include/configs/mx23_olinuxino.h | 77 ++++++++++++++++++++++++++++++++++++---- 1 file changed, 70 insertions(+), 7 deletions(-)
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h index bc63481..4658aea 100644 --- a/include/configs/mx23_olinuxino.h +++ b/include/configs/mx23_olinuxino.h @@ -127,21 +127,84 @@ #define CONFIG_APBH_DMA
/* - * ENV -- nowhere so far - */ -#define CONFIG_ENV_SIZE (16 * 1024) -#define CONFIG_ENV_IS_NOWHERE - -/* * Boot Linux */ #define CONFIG_CMDLINE_TAG #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__ */