[U-Boot] [PATCH 1/1] m28evk board config

Marek Vasut marex at denx.de
Mon Sep 9 16:37:12 CEST 2013


Dear lothar at denx.de,

>  From 24b6381162b4569ab86b481b8714d81877231f22 Mon Sep 17 00:00:00 2001
>  From: Lothar Rubusch <lothar at denx.de>
> Date: Fri, 6 Sep 2013 15:01:39 +0200
> Subject: [PATCH] m28evk board specific configurations for setup with ext
> boot
>   partition and separate ext rootfs
> 
> 
> Signed-off-by: Lothar Rubusch <lothar at denx.de>
> ---
>   include/configs/m28evk.h | 78
> ++++++++++++++++++++++++++++++++++++++++++++++--
>   1 file changed, 75 insertions(+), 3 deletions(-)
> 
> diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
> index eba8759..b65456e 100644
> --- a/include/configs/m28evk.h
> +++ b/include/configs/m28evk.h
> @@ -150,15 +150,25 @@
>   #endif
> 
>   /* Booting Linux */
> -#define CONFIG_BOOTDELAY	3
> +#define CONFIG_BOOTDELAY	5
>   #define CONFIG_BOOTFILE		"uImage"
>   #define CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 "
> -#define CONFIG_BOOTCOMMAND	"run bootcmd_net"
> +#define CONFIG_BOOTCOMMAND	"run mmc_mmc"
>   #define CONFIG_LOADADDR		0x42000000
>   #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR

These two options above do not seem right, they certainly can make use of some 
unification. But that's for another patch.

>   /* Extra Environment */
>   #define CONFIG_EXTRA_ENV_SETTINGS					\
> +	"fdtfile=imx28-m28evk.dtb\0"                                    \
> +	"consdev=ttyAMA0\0"                                             \
> +	"baudrate=115200\0"                                             \
> +	"bootdev=/dev/mmcblk0p2\0"                                      \
> +	"rootdev=/dev/mmcblk0p3\0"                                      \
> +	"netdev=eth0\0"                                                 \
> +	"hostname=m28evk\0"                                             \
> +	"rootpath=/opt/eldk-5.3/armv5te/rootfs-qte-sdk\0"               \

Use 5.4 here ?

> +	"kernel_addr_r=0x42000000\0"                                    \
> +	"fdt_addr_r=0x41000000\0"                                       \
>   	"update_nand_full_filename=u-boot.nand\0"			\
>   	"update_nand_firmware_filename=u-boot.sb\0"			\
>   	"update_sd_firmware_filename=u-boot.sd\0"			\
> @@ -196,7 +206,69 @@
>   		"setexpr fw_sz ${fw_sz} + 1 ; "				\
>   		"mmc write ${loadaddr} 0x800 ${fw_sz} ; "		\
>   		"fi ; "							\
> -		"fi\0"
> +		"fi\0"                                                  \
> +	"addcons=setenv bootargs ${bootargs} console=${consdev},${baudrate}\0"
> \
> +	"addip="                                                        \
> +		"setenv bootargs ${bootargs} "                          \
> +			"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:" \
> +				"${hostname}:${netdev}:off\0"           \
> +	"addmisc=setenv bootargs ${bootargs} ${miscargs}\0"             \
> +	"adddfltmtd="                                                   \
> +		"if test \"x${mtdparts}\" == \"x\" ; "                  \
> +		"then mtdparts default ; "                              \
> +		"fi\0"                                                  \

I suspect the addmtd should be called unconditionally for every boot type 
(mmc_nfs...net_nand).

[...]

Best regards,
Marek Vasut


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