Other Parts Discussed in Thread: TMDS64EVM,
Tool/software:
Hi,
My customer developed their custom board based on TMDS64EVM.
The system boots up from SD card connected to MMCSD1, then CPU writes to eMMC connected to MMCSD0.
During evaluation, an error "mmc_select_hs200 failed, error -110" occurs and write to eMMC fails.
The error seems board dependent and occurrence is ~1 board in 15 boards.
Q1) The customer is considering to change drive strength of eMMC signals.
Do we have drive strength control mechanism in SDK?
Q2) If you have any debug idea, please let me know.
Thanks and regards,
Koichiro Tashiro