[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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