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path: root/drivers/mmc/mmc_spi.c
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* mmc: Fix mmc_spi error on cmd->flags fieldMarek Vasut2012-10-22-2/+2
| | | | | | | | | | | | The recent removal of the cmd->flags field caused error in the debuging code of mmc_spi. Fix this: mmc_spi.c: In function 'mmc_spi_request': mmc_spi.c:179:2: error: 'struct mmc_cmd' has no member named 'flags' Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andy Fleming <afleming@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
* mmc: Implement card detection.Thierry Reding2012-01-08-0/+1
| | | | | | | | | | | Check for card detect each time an MMC/SD device is initialized. If card detection is not implemented, this code behaves as before and continues assuming a card is present. If no card is detected, has_init is reset for the MMC/SD device (to force initialization next time) and an error is returned. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Jason Liu <jason.hui@linaro.org>
* mmc_spi: generate response for send status commandThomas Chou2011-05-18-0/+5
| | | | | | | | | | A "send status" command is added with the commit "mmc: checking status after commands with R1b response". But the status register returned from send status command of SPI protocol is different from that of MMC/SD protocol. We do a simple test and generate a response in stead of full bit-by-bit translation. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* mmc: add generic mmc spi driverThomas Chou2011-04-13-0/+280
This patch supports mmc/sd card with spi interface. It is based on the generic mmc framework. It works with SDHC and supports multi blocks read/write. The crc checksum on data packet is enabled with the def, There is a subcomamnd "mmc_spi" to setup spi bus and cs at run time. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Andy Fleming <afleming@freescale.com>