
Send status command (CMD13) will send R1 response under SD mode but R2 response under SPI mode.
R2 response is 2 bytes long, so read 2 bytes for mmc SPI mode
Signed-off-by: Pragnesh Patel pragnesh.patel@sifive.com --- drivers/mmc/mmc_spi.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c index 18d36878ef..ee56de36ec 100644 --- a/drivers/mmc/mmc_spi.c +++ b/drivers/mmc/mmc_spi.c @@ -266,7 +266,7 @@ static int dm_mmc_spi_request(struct udevice *dev, struct mmc_cmd *cmd, u8 *resp = NULL; u32 resp_size = 0; bool resp_match = false; - u8 resp8 = 0, resp40[5] = { 0 }, resp_match_value = 0; + u8 resp8 = 0, resp16[2] = { 0 }, resp40[5] = { 0 }, resp_match_value = 0;
dm_spi_claim_bus(dev);
@@ -291,6 +291,9 @@ static int dm_mmc_spi_request(struct udevice *dev, struct mmc_cmd *cmd, resp_size = sizeof(resp40); break; case MMC_CMD_SEND_STATUS: + resp = (u8 *)&resp16[0]; + resp_size = sizeof(resp16); + break; case MMC_CMD_SET_BLOCKLEN: case MMC_CMD_SPI_CRC_ON_OFF: case MMC_CMD_STOP_TRANSMISSION: @@ -335,8 +338,10 @@ static int dm_mmc_spi_request(struct udevice *dev, struct mmc_cmd *cmd, cmd->response[0] |= (uint)resp40[1] << 24; break; case MMC_CMD_SEND_STATUS: - cmd->response[0] = (resp8 & 0xff) ? - MMC_STATUS_ERROR : MMC_STATUS_RDY_FOR_DATA; + if (resp16[0] || resp16[1]) + cmd->response[0] = MMC_STATUS_ERROR; + else + cmd->response[0] = MMC_STATUS_RDY_FOR_DATA; break; case MMC_CMD_SEND_CID: case MMC_CMD_SEND_CSD: