The pxamci requires a bit to be set in the command control
register when a CMD12 is sent. Set it, as required in the
PXA Developer Manuel, chapter "Stop Data Transmission
Command (CMD12 or IO/Abort with CMD52)".
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add a simple PIO based host controller for MMC and SD cards
on PXA SoCs. Reads and writes are available, and no usage is
made of DMA or IRQs.
SPI mode is not supported yet.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>