[U-Boot] [PATCH 1/2] mx28evk: extend default environment

[Marek Vasut <marex@denx.de>]

Dear Fabio Estevam,

> From: Otavio Salvador <otavio@ossystems.com.br>
> 
> The environment has been based on mx53loco but keeping the possibility
> to easy change the default console device as Freescale and mainline
> kernels differ on the device name.
> 
> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
> Cc: Fabio Estevam <fabio.estevam@freescale.com>
> Cc: Stefano Babic <sbabic@denx.de>

Can we possibly unify it with what's already in m28evk? Also, it'd be cool if we 
had some default -- very generic -- env. Can we go in that direction?

> ---
>  include/configs/mx28evk.h |   44
> ++++++++++++++++++++++++++++++++++++++------ 1 file changed, 38
> insertions(+), 6 deletions(-)
> 
> diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
> index 02f3366..b165285 100644
> --- a/include/configs/mx28evk.h
> +++ b/include/configs/mx28evk.h
> @@ -222,7 +222,7 @@
>  #define CONFIG_SETUP_MEMORY_TAGS
>  #define CONFIG_BOOTDELAY	3
>  #define CONFIG_BOOTFILE	"uImage"
> -#define CONFIG_BOOTCOMMAND	"run bootcmd_net"
> +
>  #define CONFIG_LOADADDR	0x42000000
>  #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
> 
> @@ -230,13 +230,45 @@
>   * Extra Environments
>   */
>  #define CONFIG_EXTRA_ENV_SETTINGS \
> -	"console_fsl=console=ttyAM0" \
> -	"console_mainline=console=ttyAMA0" \
> -	"netargs=setenv bootargs console=${console_mainline}" \
> +	"script=boot.scr\0" \
> +	"uimage=uImage\0" \
> +	"console_fsl=ttyAM0\0" \
> +	"console_mainline=ttyAMA0\0" \
> +	"console=${console_mainline}\0" \
> +	"mmcdev=0\0" \
> +	"mmcpart=2\0" \
> +	"mmcroot=/dev/mmcblk0p3 rw\0" \
> +	"mmcrootfstype=ext3 rootwait\0" \
> +	"mmcargs=setenv bootargs console=${console},${baudrate} " \
> +		"root=${mmcroot} " \
> +		"rootfstype=${mmcrootfstype}\0" \
> +	"loadbootscript=" \
> +		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
> +	"bootscript=echo Running bootscript from mmc ...; " \
> +		"source\0" \
> +	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
> +	"mmcboot=echo Booting from mmc ...; " \
> +		"run mmcargs; " \
> +		"bootm\0" \
> +	"netargs=setenv bootargs console=${console},${baudrate} " \
>  		"root=/dev/nfs " \
> -		"ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \
> -	"bootcmd_net=echo Booting from net ...; " \
> +		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
> +	"netboot=echo Booting from net ...; " \
>  		"run netargs; " \
>  		"dhcp ${uimage}; bootm\0" \
> +/*
> + * Default Boot command
> + */
> +#define CONFIG_BOOTCOMMAND \
> +	"if mmc rescan ${mmcdev}; then " \
> +		"if run loadbootscript; then " \
> +			"run bootscript; " \
> +		"else " \
> +			"if run loaduimage; then " \
> +				"run mmcboot; " \
> +			"else run netboot; " \
> +			"fi; " \
> +		"fi; " \
> +	"else run netboot; fi"
> 
>  #endif /* __CONFIG_H */

Best regards,
Marek Vasut