[PATCH 4/4] configs: j722s_evm_a53_defconfig: Disable eMMC HS400

[Kumar, Udit]

On 9/11/2025 3:15 AM, Judith Mendez wrote:
> This patch addresses silicon errata i2478 [0] "MMCSD0: HS400 Mode not
> supported". Where, eMMC HS400 mode is not supported due to bus timing
> limitations. As per workaround, use HS200 mode instead.
>
> [0] https://www.ti.com/lit/pdf/sprz575
> Signed-off-by: Judith Mendez <jm at ti.com>
> ---
>   configs/j722s_evm_a53_defconfig | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

I think you should disable HS400 for am62px_evm_a53_defconfig as well

> diff --git a/configs/j722s_evm_a53_defconfig b/configs/j722s_evm_a53_defconfig
> index 83ac99c922a..a7ab78a367a 100644
> --- a/configs/j722s_evm_a53_defconfig
> +++ b/configs/j722s_evm_a53_defconfig
> @@ -101,8 +101,8 @@ CONFIG_FS_LOADER=y
>   CONFIG_SUPPORT_EMMC_BOOT=y
>   CONFIG_MMC_IO_VOLTAGE=y
>   CONFIG_SPL_MMC_IO_VOLTAGE=y
> -CONFIG_MMC_HS400_SUPPORT=y
> -CONFIG_SPL_MMC_HS400_SUPPORT=y
> +CONFIG_MMC_HS200_SUPPORT=y
> +CONFIG_SPL_MMC_HS200_SUPPORT=y
>   CONFIG_MMC_SDHCI=y
>   CONFIG_MMC_SDHCI_ADMA=y
>   CONFIG_SPL_MMC_SDHCI_ADMA=y