diff options
Diffstat (limited to 'drivers/mmc/mtk-sd.c')
| -rw-r--r-- | drivers/mmc/mtk-sd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index 48a764be82..8599f095bc 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -232,6 +232,8 @@ #define SCLK_CYCLES_SHIFT 20 +#define MIN_BUS_CLK 200000 + #define CMD_INTS_MASK \ (MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO) @@ -1639,6 +1641,9 @@ static int msdc_drv_probe(struct udevice *dev) else cfg->f_min = host->src_clk_freq / (4 * 4095); + if (cfg->f_min < MIN_BUS_CLK) + cfg->f_min = MIN_BUS_CLK; + if (cfg->f_max < cfg->f_min || cfg->f_max > host->src_clk_freq) cfg->f_max = host->src_clk_freq; |