[U-Boot] [PATCH v1 02/14] tpc70: config: Update TPC70 config to support eMMC's boot0 SPL update

Marek Vasut marex at denx.de
Wed Jan 2 01:08:16 UTC 2019


On 1/2/19 12:37 AM, Lukasz Majewski wrote:
> The TPC70 can boot from eMMC's boot0. This patch allows it to update
> this HW partition's SPL.
> 
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> ---
> 
>  include/configs/kp_imx6q_tpc.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/configs/kp_imx6q_tpc.h b/include/configs/kp_imx6q_tpc.h
> index ee9c56bc21..f26b18442b 100644
> --- a/include/configs/kp_imx6q_tpc.h
> +++ b/include/configs/kp_imx6q_tpc.h
> @@ -49,6 +49,7 @@
>  #define CONFIG_SYS_FSL_ESDHC_ADDR	0
>  #define CONFIG_SYS_FSL_USDHC_NUM	2
>  #define CONFIG_SYS_MMC_ENV_DEV		1 /* 0 = SDHC2, 1 = SDHC4 (eMMC) */
> +#define CONFIG_SUPPORT_EMMC_BOOT
>  
>  /* UART */
>  #define CONFIG_MXC_UART
> @@ -109,6 +110,10 @@
>  	       "setexpr blkc ${blkc} + 1;" \
>  	       "mmc write ${loadaddr} 0x2 ${blkc};" \
>  	    "fi;\0" \
> +	"upd_SPL_mmc=mmc dev 1; mmc partconf 1 0 1 1; run upd_SPL_sd\0" \

If mmc dev 1 fails, this will randomly rewrite or even damage some
SD/MMC card that was selected before. Use && ...

> +	"upd_uboot_mmc=mmc dev 1; mmc partconf 1 0 1 1; run upd_uboot_sd\0" \

Deduplicate these repeated commands.

> +	"up_mmc=run upd_SPL_mmc; run upd_uboot_mmc\0" \
> +	"up_sd=run upd_SPL_sd; run upd_uboot_sd\0" \
>  	"upd_wic=" \
>  	    "if tftp ${loadaddr} ${wic_file}; then " \
>  	       "setexpr blkc ${filesize} / 0x200;" \
> 


-- 
Best regards,
Marek Vasut


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