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

[Judith Mendez]

Hi Udit,

On 9/11/25 9:45 AM, Kumar, Udit wrote:
> Hi Judith
> 
> On 9/11/2025 8:00 PM, Judith Mendez wrote:
>> Hi Udit,
>>
>> On 9/10/25 11:15 PM, Kumar, Udit wrote:
>>>
>>> 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
>>
>> Hs400 has not been descoped on AM62Px device. So we should not
>> remove for AM62Px.
> 
> 
> then please check, why this is getting removed only from r5/spl in patch 
> 3/4
> 
> configs/am62px_evm_r5_defconfig
> 
> --- a/configs/am62px_evm_r5_defconfig
> +++ b/configs/am62px_evm_r5_defconfig
> @@ -88,7 +88,6 @@ CONFIG_DM_MAILBOX=y
>   CONFIG_K3_SEC_PROXY=y
>   CONFIG_ESM_K3=y
>   CONFIG_SUPPORT_EMMC_BOOT=y
> -CONFIG_MMC_HS400_SUPPORT=y


This config is not for SPL, SPL config is: CONFIG_SPL_MMC_HS200_SUPPORT.
Patch 3/4 is a cleanup patch since that config does nothing.

~ Judith