summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 053e8586d557..c391510e9ef4 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -74,6 +74,7 @@
#define ESDHC_STROBE_DLL_CTRL_ENABLE (1 << 0)
#define ESDHC_STROBE_DLL_CTRL_RESET (1 << 1)
#define ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT 3
+#define ESDHC_STROBE_DLL_CTRL_SLV_UPDATE_INT_DEFAULT (4 << 20)
#define ESDHC_STROBE_DLL_STATUS 0x74
#define ESDHC_STROBE_DLL_STS_REF_LOCK (1 << 1)
@@ -210,7 +211,7 @@ static const struct esdhc_soc_data usdhc_imx7d_data = {
static struct esdhc_soc_data usdhc_imx7ulp_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
- | ESDHC_FLAG_PMQOS,
+ | ESDHC_FLAG_PMQOS | ESDHC_FLAG_HS400,
};
static struct esdhc_soc_data usdhc_imx8qxp_data = {
@@ -994,15 +995,19 @@ static void esdhc_set_strobe_dll(struct sdhci_host *host)
/* force a reset on strobe dll */
writel(ESDHC_STROBE_DLL_CTRL_RESET,
host->ioaddr + ESDHC_STROBE_DLL_CTRL);
+ /* clear the reset bit on strobe dll before any setting */
+ writel(0, host->ioaddr + ESDHC_STROBE_DLL_CTRL);
+
/*
* enable strobe dll ctrl and adjust the delay target
* for the uSDHC loopback read clock
*/
v = ESDHC_STROBE_DLL_CTRL_ENABLE |
+ ESDHC_STROBE_DLL_CTRL_SLV_UPDATE_INT_DEFAULT |
(7 << ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT);
writel(v, host->ioaddr + ESDHC_STROBE_DLL_CTRL);
- /* wait 1us to make sure strobe dll status register stable */
- udelay(1);
+ /* wait 5us to make sure strobe dll status register stable */
+ udelay(5);
v = readl(host->ioaddr + ESDHC_STROBE_DLL_STATUS);
if (!(v & ESDHC_STROBE_DLL_STS_REF_LOCK))
dev_warn(mmc_dev(host->mmc),