arm-trusted-firmware

Tien Hock, Loh 3d0f30bb54 drivers: synopsys: Fix synopsys MMC driver There are some issues with synopsys MMC driver: - CMD8 should not expect data (for SD) - ACMD51 should expect data (Send SCR for SD) - dw_prepare should not dictate size to be MMC_BLOCK_SIZE, block size is now handled in the dw_prepare function - after the CMD completes, when doing dw_read, we need to invalidate cache and wait for the data transfer to complete - Need to set FIFO threshold, otherwise DMA might never get the interrupt to read or write Signed-off-by: Tien Hock, Loh <tien.hock.loh@intel.com>	6 years ago
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dw_mmc.h	drivers: synopsys: Fix synopsys MMC driver	6 years ago

Tien Hock, Loh 3d0f30bb54 drivers: synopsys: Fix synopsys MMC driver

There are some issues with synopsys MMC driver:
- CMD8 should not expect data (for SD)
- ACMD51 should expect data (Send SCR for SD)
- dw_prepare should not dictate size to be MMC_BLOCK_SIZE, block size is
now handled in the dw_prepare function
- after the CMD completes, when doing dw_read, we need to invalidate cache
and wait for the data transfer to complete
- Need to set FIFO threshold, otherwise DMA might never get the interrupt
to read or write

Signed-off-by: Tien Hock, Loh <tien.hock.loh@intel.com>

6 years ago

dw_mmc.h

drivers: synopsys: Fix synopsys MMC driver

6 years ago