提交 d2c05f50 编写于 作者: F Faiz Abbas 提交者: Tom Rini

mmc: omap_hsmmc: Set 3.3V for IO voltage

Pbias voltage should match the IO voltage set for the SD card. With the
latest pbias change to 3.3V, update the capabilities and IO voltages
settings to 3.3V.
Signed-off-by: NFaiz Abbas <faiz_abbas@ti.com>
上级 fddfd9c7
......@@ -264,7 +264,7 @@ static unsigned char mmc_board_init(struct mmc *mmc)
!CONFIG_IS_ENABLED(DM_REGULATOR)
/* PBIAS config needed for MMC1 only */
if (mmc_get_blk_desc(mmc)->devnum == 0)
vmmc_pbias_config(LDO_VOLT_3V0);
vmmc_pbias_config(LDO_VOLT_3V3);
#endif
return 0;
......@@ -418,7 +418,7 @@ static void omap_hsmmc_conf_bus_power(struct mmc *mmc, uint signal_voltage)
switch (signal_voltage) {
case MMC_SIGNAL_VOLTAGE_330:
hctl |= SDVS_3V0;
hctl |= SDVS_3V3;
break;
case MMC_SIGNAL_VOLTAGE_180:
hctl |= SDVS_1V8;
......@@ -514,10 +514,9 @@ static int omap_hsmmc_set_signal_voltage(struct mmc *mmc)
return -EINVAL;
if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_330) {
/* Use 3.0V rather than 3.3V */
mv = 3000;
capa_mask = VS30_3V0SUP;
palmas_ldo_volt = LDO_VOLT_3V0;
mv = 3300;
capa_mask = VS33_3V3SUP;
palmas_ldo_volt = LDO_VOLT_3V3;
} else if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) {
capa_mask = VS18_1V8SUP;
palmas_ldo_volt = LDO_VOLT_1V8;
......@@ -556,13 +555,13 @@ static uint32_t omap_hsmmc_set_capabilities(struct mmc *mmc)
val = readl(&mmc_base->capa);
if (priv->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
val |= (VS30_3V0SUP | VS18_1V8SUP);
val |= (VS33_3V3SUP | VS18_1V8SUP);
} else if (priv->controller_flags & OMAP_HSMMC_NO_1_8_V) {
val |= VS30_3V0SUP;
val |= VS33_3V3SUP;
val &= ~VS18_1V8SUP;
} else {
val |= VS18_1V8SUP;
val &= ~VS30_3V0SUP;
val &= ~VS33_3V3SUP;
}
writel(val, &mmc_base->capa);
......@@ -842,11 +841,11 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
#if CONFIG_IS_ENABLED(DM_MMC)
reg_val = omap_hsmmc_set_capabilities(mmc);
omap_hsmmc_conf_bus_power(mmc, (reg_val & VS30_3V0SUP) ?
omap_hsmmc_conf_bus_power(mmc, (reg_val & VS33_3V3SUP) ?
MMC_SIGNAL_VOLTAGE_330 : MMC_SIGNAL_VOLTAGE_180);
#else
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
writel(readl(&mmc_base->capa) | VS33_3V3SUP | VS18_1V8SUP,
&mmc_base->capa);
#endif
......
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