[PATCH 4/4] configs: j722s_evm_a53_defconfig: Disable eMMC HS400
Judith Mendez
jm at ti.com
Wed Sep 10 23:45:14 CEST 2025
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(-)
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
--
2.51.0
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