diff options
| author | Pragnesh Patel <pragnesh.patel@sifive.com> | 2020-06-29 15:17:27 +0530 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2020-07-14 16:19:44 +0800 |
| commit | 70f176ae827823cb6fb7edccc8211c1f2f92b754 (patch) | |
| tree | 22e88d34fa44262308f0cbbe1b4dad0f171582b5 | |
| parent | 810bc13803027c63560504a3b910cf2ef3799194 (diff) | |
mmc: mmc_spi: Read R2 response for send status command - CMD13
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>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
| -rw-r--r-- | drivers/mmc/mmc_spi.c | 11 |
1 files 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: |