diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 11 |
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), |