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Add lv support back and fix its change logic

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Kostas Missos
2018-05-06 20:26:30 +03:00
committed by nwert
parent 5363029e60
commit 724970f795
2 changed files with 13 additions and 6 deletions
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14
ipl/sdmmc_driver.c
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@@ -54,24 +54,30 @@ int sdmmc_get_voltage(sdmmc_t *sdmmc)
static int _sdmmc_set_voltage(sdmmc_t *sdmmc, u32 power)
{
u8 pwr = 0;
switch (power)
{
case SDMMC_POWER_OFF:
sdmmc->regs->pwrcon &= ~TEGRA_MMC_PWRCTL_SD_BUS_POWER;
break;
case SDMMC_POWER_1_8:
sdmmc->regs->pwrcon =
(sdmmc->regs->pwrcon & TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_MASK) |
TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8;
sdmmc->regs->pwrcon = TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8;
pwr = TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8;
break;
case SDMMC_POWER_3_3:
sdmmc->regs->pwrcon = TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_3;
pwr = TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_3;
break;
default:
return 0;
}
sdmmc->regs->pwrcon |= TEGRA_MMC_PWRCTL_SD_BUS_POWER;
if (power != SDMMC_POWER_OFF)
{
pwr |= TEGRA_MMC_PWRCTL_SD_BUS_POWER;
sdmmc->regs->pwrcon = pwr;
}
return 1;
}