[U-Boot] [PATCH] socfpga: Enable SDMMC boot for SOCFPGA U-Boot

[Marek Vasut <marex@denx.de>]

On Friday, September 19, 2014 at 12:33:19 PM, Chin Liang See wrote:
> To enable the SDMMC boot as default boot for SOCFPGA
> U-Boot dev kit. Enabled the bootz command as
> zImage is used instead uImage.
> 
> Signed-off-by: Chin Liang See <clsee@altera.com>
> Cc: Dinh Nguyen <dinguyen@altera.com>
> Cc: Pavel Machek <pavel@denx.de>
> Cc: Marek Vasut <marex@denx.de>
> Cc: Tom Rini <trini@ti.com>
> Cc: Albert Aribaud <albert.u.boot@aribaud.net>
> Cc: Wolfgang Denk <wd@denx.de>
> ---
>  include/configs/socfpga_cyclone5.h |   20 +++++++++++++++++---
>  1 file changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/include/configs/socfpga_cyclone5.h
> b/include/configs/socfpga_cyclone5.h index f9fafac..3d1b78f 100644
> --- a/include/configs/socfpga_cyclone5.h
> +++ b/include/configs/socfpga_cyclone5.h
> @@ -93,6 +93,8 @@
>  #include <config_cmd_default.h>
>  /* FAT file system support */
>  #define CONFIG_CMD_FAT
> +/* bootz command support */
> +#define CONFIG_CMD_BOOTZ
> 
> 
>  /*
> @@ -117,24 +119,36 @@
>  #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
>  #define CONFIG_CMD_RUN
> 
> +#ifdef CONFIG_SOCFPGA_VIRTUAL_TARGET
>  #define CONFIG_BOOTCOMMAND "run ramboot"
> +#else
> +#define CONFIG_BOOTCOMMAND "run mmcload; run mmcboot"
> +#endif
> 
>  /*
>   * arguments passed to the bootm command. The value of
>   * CONFIG_BOOTARGS goes into the environment value "bootargs".
>   * Do note the value will overide also the chosen node in FDT blob.
>   */
> -#define CONFIG_BOOTARGS "console=ttyS0,57600,mem=256M at 0x0"
> +#define CONFIG_BOOTARGS "console=ttyS0," __stringify(CONFIG_BAUDRATE)
> 
>  #define CONFIG_EXTRA_ENV_SETTINGS \
>  	"verify=n\0" \
>  	"loadaddr= " __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
>  	"ramboot=setenv bootargs " CONFIG_BOOTARGS ";" \
>  		"bootm ${loadaddr} - ${fdt_addr}\0" \
> -	"bootimage=uImage\0" \
> +	"bootimage=zImage\0" \

>  	"fdt_addr=100\0" \
> +	"fdtimage=socfpga.dtb\0" \
>  	"fsloadcmd=ext2load\0" \
> -		"bootm ${loadaddr} - ${fdt_addr}\0" \
> +	"bootm ${loadaddr} - ${fdt_addr}\0" \
> +	"mmcroot=/dev/mmcblk0p2\0" \
> +	"mmcboot=setenv bootargs " CONFIG_BOOTARGS \
> +		" root=${mmcroot} rw rootwait;" \
> +		"bootz ${loadaddr} - ${fdt_addr}\0" \
> +	"mmcload=mmc rescan;" \
> +		"fatload mmc 0:1 ${loadaddr} ${bootimage};" \
> +		"fatload mmc 0:1 ${fdt_addr} ${fdtimage}\0" \

This doesn't scale, we should start using CONFIG_CMD_FS_GENERIC + the "load" 
command. I'll cook a patch for that and submit it alongside V2 of the patches.

>  	"qspiroot=/dev/mtdblock0\0" \
>  	"qspirootfstype=jffs2\0" \
>  	"qspiboot=setenv bootargs " CONFIG_BOOTARGS \

Best regards,
Marek Vasut