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SK-AM62A-LP: SD card compatibility issue

Daria Kiseleva
Intellectual 2665 points
Part Number: SK-AM62A-LP

Tool/software:

Good day, colleagues,

My customer currently facing an issue in which certain sd cards flashed with images built using SDK 10 are not booting on the SK-AM62A-LP Eval board. Following are their findings:

1. We tried different sd cards and across teams and found that images flashed on cards such as sandisk 32GB and Kingston 32GB do not boot whereas the same image when flashed on transcend or samsung sd cards boot correctly.
2. This problem however wasnt present with images built using sdk 9
3. We have tried flashing the default image using the sdcard-create.sh as well as balenaetcher and could rule out that it lies on the flashing tool.

I have attached a snapshot of the error for your reference.

It would be great if you could provide feedback on this. 

Thank you,

Daria

  • 0
    TI__Guru**** 168211 points

    Hi Daria,

    Can you please apply the  following U-Boot patch and rebuild U-Boot to see if this resolve the boot problem with the failing SD cards?

    diff --git a/configs/am62ax_evm_a53_defconfig b/configs/am62ax_evm_a53_defconfig
index 784f6a4584f..438b1775c5d 100644
--- a/configs/am62ax_evm_a53_defconfig
+++ b/configs/am62ax_evm_a53_defconfig
@@ -86,11 +86,8 @@ CONFIG_DM_MAILBOX=y
 CONFIG_K3_SEC_PROXY=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_MMC_IO_VOLTAGE=y
-CONFIG_SPL_MMC_IO_VOLTAGE=y
 CONFIG_MMC_UHS_SUPPORT=y
-CONFIG_SPL_MMC_UHS_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