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-rw-r--r--drivers/mmc/host/mtk-sd.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 1efe434391af..aef30bba00b9 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -248,6 +248,7 @@
#define MSDC_PB2_SUPPORT_64G BIT(1) /* RW */
#define MSDC_PB2_RESPWAIT GENMASK(3, 2) /* RW */
#define MSDC_PB2_RESPSTSENSEL GENMASK(18, 16) /* RW */
+#define MSDC_PB2_POP_EN_CNT GENMASK(23, 20) /* RW */
#define MSDC_PB2_CRCSTSENSEL GENMASK(31, 29) /* RW */
#define MSDC_PAD_TUNE_DATWRDLY GENMASK(4, 0) /* RW */
@@ -403,6 +404,8 @@ struct mtk_mmc_compatible {
bool data_tune;
bool busy_check;
bool stop_clk_fix;
+ u8 stop_dly_sel;
+ u8 pop_en_cnt;
bool enhance_rx;
bool support_64g;
bool use_internal_cd;
@@ -504,6 +507,7 @@ static const struct mtk_mmc_compatible mt2712_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
.enhance_rx = true,
.support_64g = true,
};
@@ -517,6 +521,7 @@ static const struct mtk_mmc_compatible mt6779_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
.enhance_rx = true,
.support_64g = true,
};
@@ -556,6 +561,7 @@ static const struct mtk_mmc_compatible mt7622_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
.enhance_rx = true,
.support_64g = false,
};
@@ -569,6 +575,7 @@ static const struct mtk_mmc_compatible mt7986_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
.enhance_rx = true,
.support_64g = true,
};
@@ -608,6 +615,7 @@ static const struct mtk_mmc_compatible mt8183_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
.enhance_rx = true,
.support_64g = true,
};
@@ -621,6 +629,7 @@ static const struct mtk_mmc_compatible mt8516_compat = {
.data_tune = true,
.busy_check = true,
.stop_clk_fix = true,
+ .stop_dly_sel = 3,
};
static const struct of_device_id msdc_of_ids[] = {
@@ -1767,8 +1776,16 @@ static void msdc_init_hw(struct msdc_host *host)
sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL);
if (host->dev_comp->stop_clk_fix) {
- sdr_set_field(host->base + MSDC_PATCH_BIT1,
- MSDC_PATCH_BIT1_STOP_DLY, 3);
+ if (host->dev_comp->stop_dly_sel)
+ sdr_set_field(host->base + MSDC_PATCH_BIT1,
+ MSDC_PATCH_BIT1_STOP_DLY,
+ host->dev_comp->stop_dly_sel);
+
+ if (host->dev_comp->pop_en_cnt)
+ sdr_set_field(host->base + MSDC_PATCH_BIT2,
+ MSDC_PB2_POP_EN_CNT,
+ host->dev_comp->pop_en_cnt);
+
sdr_clr_bits(host->base + SDC_FIFO_CFG,
SDC_FIFO_CFG_WRVALIDSEL);
sdr_clr_bits(host->base + SDC_FIFO_CFG,