diff options
Diffstat (limited to 'src/mainboard/google/veyron_danger/sdmmc.c')
-rw-r--r-- | src/mainboard/google/veyron_danger/sdmmc.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_danger/sdmmc.c b/src/mainboard/google/veyron_danger/sdmmc.c new file mode 100644 index 0000000000..b60f2e6a73 --- /dev/null +++ b/src/mainboard/google/veyron_danger/sdmmc.c @@ -0,0 +1,45 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "board.h" + +#include <soc/rk808.h> + +static void sdmmc_power(int enable) +{ + switch (board_id()) { + case 0: + /* VCC33_SD is tied to VCC33_SYS and is always on */ + break; + default: + rk808_configure_ldo(4, enable ? 3300 : 0); /* VCC33_SD_LDO */ + rk808_configure_ldo(5, enable ? 3300 : 0); /* VCCIO_SD */ + break; + } +} + +void sdmmc_power_off(void) +{ + sdmmc_power(0); +} + +void sdmmc_power_on(void) +{ + sdmmc_power(1); +} |