diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/fsl_esdhc_imx.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index 5dfd484ef9..4c06361bee 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -727,17 +727,20 @@ static void esdhc_set_strobe_dll(struct mmc *mmc) if (priv->clock > ESDHC_STROBE_DLL_CLK_FREQ) { esdhc_write32(®s->strobe_dllctrl, ESDHC_STROBE_DLL_CTRL_RESET); + /* clear the reset bit on strobe dll before any setting */ + esdhc_write32(®s->strobe_dllctrl, 0); /* * enable strobe dll ctrl and adjust the delay target * for the uSDHC loopback read clock */ val = ESDHC_STROBE_DLL_CTRL_ENABLE | + ESDHC_STROBE_DLL_CTRL_SLV_UPDATE_INT_DEFAULT | (priv->strobe_dll_delay_target << ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT); esdhc_write32(®s->strobe_dllctrl, val); - /* wait 1us to make sure strobe dll status register stable */ - mdelay(1); + /* wait 5us to make sure strobe dll status register stable */ + mdelay(5); val = esdhc_read32(®s->strobe_dllstat); if (!(val & ESDHC_STROBE_DLL_STS_REF_LOCK)) pr_warn("HS400 strobe DLL status REF not lock!\n"); @@ -971,7 +974,6 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc) if (priv->clock != clock) set_sysctl(priv, mmc, clock); -#ifdef MMC_SUPPORTS_TUNING if (mmc->clk_disable) { #ifdef CONFIG_FSL_USDHC esdhc_clrbits32(®s->vendorspec, VENDORSPEC_CKEN); @@ -987,6 +989,7 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc) #endif } +#ifdef MMC_SUPPORTS_TUNING /* * For HS400/HS400ES mode, make sure set the strobe dll in the * target clock rate. So call esdhc_set_strobe_dll() after the @@ -1707,6 +1710,12 @@ static struct esdhc_soc_data usdhc_imx7d_data = { | ESDHC_FLAG_HS400, }; +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_HS400, +}; + static struct esdhc_soc_data usdhc_imx8qm_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 | @@ -1721,7 +1730,7 @@ static const struct udevice_id fsl_esdhc_ids[] = { { .compatible = "fsl,imx6sl-usdhc", }, { .compatible = "fsl,imx6q-usdhc", }, { .compatible = "fsl,imx7d-usdhc", .data = (ulong)&usdhc_imx7d_data,}, - { .compatible = "fsl,imx7ulp-usdhc", }, + { .compatible = "fsl,imx7ulp-usdhc", .data = (ulong)&usdhc_imx7ulp_data,}, { .compatible = "fsl,imx8qm-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imx8mm-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imx8mn-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, |