diff options
| -rw-r--r-- | drivers/mmc/host/sunplus-mmc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/sunplus-mmc.c b/drivers/mmc/host/sunplus-mmc.c index 63279760239c..e947c84eef94 100644 --- a/drivers/mmc/host/sunplus-mmc.c +++ b/drivers/mmc/host/sunplus-mmc.c @@ -294,6 +294,11 @@ static void spmmc_set_bus_timing(struct spmmc_host *host, unsigned int timing) value = readl(host->base + SPMMC_SD_CONFIG0_REG); value |= SPMMC_SD_DDR_MODE; writel(value, host->base + SPMMC_SD_CONFIG0_REG); + /* DDR mode needs rd_crc_dly=1 */ + value = readl(host->base + SPMMC_SD_TIMING_CONFIG0_REG); + value &= ~SPMMC_SD_READ_CRC_DELAY; + value |= FIELD_PREP(SPMMC_SD_READ_CRC_DELAY, 1); + writel(value, host->base + SPMMC_SD_TIMING_CONFIG0_REG); } else { value = readl(host->base + SPMMC_SD_CONFIG0_REG); value &= ~SPMMC_SD_DDR_MODE; |