* your option) any later version.
*/
-#include <asm/scatterlist.h>
#include <linux/scatterlist.h>
#include <linux/mmc/host.h>
cmd.opcode = SD_IO_SEND_OP_COND;
cmd.arg = ocr;
- cmd.flags = MMC_RSP_R4 | MMC_CMD_BCR;
+ cmd.flags = MMC_RSP_SPI_R4 | MMC_RSP_R4 | MMC_CMD_BCR;
for (i = 100; i; i--) {
err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
if (err)
break;
- if (cmd.resp[0] & MMC_CARD_BUSY || ocr == 0)
+ /* if we're just probing, do a single pass */
+ if (ocr == 0)
break;
+ /* otherwise wait until reset completes */
+ if (mmc_host_is_spi(host)) {
+ /*
+ * Both R1_SPI_IDLE and MMC_CARD_BUSY indicate
+ * an initialized card under SPI, but some cards
+ * (Marvell's) only behave when looking at this
+ * one.
+ */
+ if (cmd.resp[1] & MMC_CARD_BUSY)
+ break;
+ } else {
+ if (cmd.resp[0] & MMC_CARD_BUSY)
+ break;
+ }
+
err = -ETIMEDOUT;
mmc_delay(10);
}
if (rocr)
- *rocr = cmd.resp[0];
+ *rocr = cmd.resp[mmc_host_is_spi(host) ? 1 : 0];
return err;
}
cmd.arg |= (write && out) ? 0x08000000 : 0x00000000;
cmd.arg |= addr << 9;
cmd.arg |= in;
- cmd.flags = MMC_RSP_R5 | MMC_CMD_AC;
+ cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_AC;
err = mmc_wait_for_cmd(card->host, &cmd, 0);
if (err)
return err;
- if (cmd.resp[0] & R5_ERROR)
- return -EIO;
- if (cmd.resp[0] & R5_FUNCTION_NUMBER)
- return -EINVAL;
- if (cmd.resp[0] & R5_OUT_OF_RANGE)
- return -ERANGE;
+ if (mmc_host_is_spi(card->host)) {
+ /* host driver already reported errors */
+ } else {
+ if (cmd.resp[0] & R5_ERROR)
+ return -EIO;
+ if (cmd.resp[0] & R5_FUNCTION_NUMBER)
+ return -EINVAL;
+ if (cmd.resp[0] & R5_OUT_OF_RANGE)
+ return -ERANGE;
+ }
- if (out)
- *out = cmd.resp[0] & 0xFF;
+ if (out) {
+ if (mmc_host_is_spi(card->host))
+ *out = (cmd.resp[0] >> 8) & 0xFF;
+ else
+ *out = cmd.resp[0] & 0xFF;
+ }
return 0;
}
cmd.arg |= (blksz == 512) ? 0 : blksz; /* byte mode */
else
cmd.arg |= 0x08000000 | blocks; /* block mode */
- cmd.flags = MMC_RSP_R5 | MMC_CMD_ADTC;
+ cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC;
data.blksz = blksz;
data.blocks = blocks;
if (data.error)
return data.error;
- if (cmd.resp[0] & R5_ERROR)
- return -EIO;
- if (cmd.resp[0] & R5_FUNCTION_NUMBER)
- return -EINVAL;
- if (cmd.resp[0] & R5_OUT_OF_RANGE)
- return -ERANGE;
+ if (mmc_host_is_spi(card->host)) {
+ /* host driver already reported errors */
+ } else {
+ if (cmd.resp[0] & R5_ERROR)
+ return -EIO;
+ if (cmd.resp[0] & R5_FUNCTION_NUMBER)
+ return -EINVAL;
+ if (cmd.resp[0] & R5_OUT_OF_RANGE)
+ return -ERANGE;
+ }
return 0;
}