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MMC/SD interface on DM365 eval

John Anderson
Genius 5240 points


Does anyone know if the MMC driver uses the MMC/SD status register in CPLD?  The hardware engr is currently designing our board without the CPLD, but I need to make sure that Linux can still detect and manage the SD card.

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    TI__Mastermind 41665 points

    I don't see anywhere that the CPLD is accessed in davinci-mmc.c from 2.10.00.14 LSP so from what I can tell it does not seem to. Even if it did you would just have to plug up the CPLD accesses with however your particular hardware manages the same functions (i.e. GPIO line for write protect, etc.).