On Tue, 2011-11-29 at 13:46 +0000, Jon Medhurst (Tixy) wrote:
> Extend the default boot sequence on Versatile Express to load a boot
> script from MMC.
>
> Signed-off-by: Jon Medhurst <jon.medhu...@linaro.org>
Acked-by: Ryan Harkin <ryan.har...@linaro.org>
>
> ---
> include/configs/vexpress_common.h | 20 ++++++++++++++++++--
> 1 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/include/configs/vexpress_common.h
> b/include/configs/vexpress_common.h
> index a4ae5a8..d56f19d 100644
> --- a/include/configs/vexpress_common.h
> +++ b/include/configs/vexpress_common.h
> @@ -178,6 +178,8 @@
> #define CONFIG_CMD_SAVEENV
> #define CONFIG_NET_MULTI
> #define CONFIG_CMD_RUN
> +#define CONFIG_CMD_BOOTD
> +#define CONFIG_CMD_ECHO
>
> #define CONFIG_CMD_FAT
> #define CONFIG_DOS_PARTITION 1
> @@ -226,7 +228,14 @@
> #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
>
> /* Basic environment settings */
> -#define CONFIG_BOOTCOMMAND "run bootflash;"
> +#define CONFIG_BOOTCOMMAND \
> + "if mmc rescan ${mmcdev}; then " \
> + "if run loadbootscript; then " \
> + "run bootscript; " \
> + "fi; " \
> + "fi; " \
> + "run bootflash;"
> +
> #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
> #define CONFIG_PLATFORM_ENV_SETTINGS \
> "loadaddr=0x80008000\0" \
> @@ -258,7 +267,12 @@
> "devtmpfs.mount=0 vmalloc=256M\0" \
> "bootflash=run flashargs; " \
> "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
> - "bootm ${kernel_addr} ${ramdisk_addr_r}\0"
> + "bootm ${kernel_addr} ${ramdisk_addr_r}\0" \
> + "mmcdev=0\0" \
> + "bootscr=boot.scr\0" \
> + "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} ${bootscr}\0"
> \
> + "bootscript=echo Running bootscript from mmc ...; " \
> + "source ${loadaddr}\0"
>
> /* FLASH and environment organization */
> #define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
> @@ -305,6 +319,8 @@
> #define CONFIG_SYS_PROMPT "VExpress# "
> #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
> sizeof(CONFIG_SYS_PROMPT) + 16)
> +#define CONFIG_SYS_HUSH_PARSER
> +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
> #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot args buffer */
> #define CONFIG_CMD_SOURCE
> #define CONFIG_SYS_LONGHELP
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