diff options
Diffstat (limited to 'src/mainboard/google/rush_ryu/verstage.c')
-rw-r--r-- | src/mainboard/google/rush_ryu/verstage.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mainboard/google/rush_ryu/verstage.c b/src/mainboard/google/rush_ryu/verstage.c new file mode 100644 index 0000000000..ed83f036b5 --- /dev/null +++ b/src/mainboard/google/rush_ryu/verstage.c @@ -0,0 +1,53 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 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 <soc/addressmap.h> +#include <soc/funitcfg.h> +#include <soc/padconfig.h> +#include <soc/verstage.h> +#include <soc/nvidia/tegra/i2c.h> +#include "gpio.h" +#include "pmic.h" + +static const struct pad_config tpm_pads[] = { + PAD_CFG_SFIO(CAM_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3), + PAD_CFG_SFIO(CAM_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3), +}; + +static const struct pad_config ec_i2c_pads[] = { + PAD_CFG_SFIO(GEN2_I2C_SCL, PINMUX_OPEN_DRAIN|PINMUX_INPUT_ENABLE, I2C2), + PAD_CFG_SFIO(GEN2_I2C_SDA, PINMUX_OPEN_DRAIN|PINMUX_INPUT_ENABLE, I2C2), +}; + +static const struct funit_cfg funits[] = { + /* TPM on I2C3 @ 400kHz */ + FUNIT_CFG(I2C3, PLLP, 400, tpm_pads, ARRAY_SIZE(tpm_pads)), + /* EC on I2C2 - pulled to 3.3V @ 100kHz */ + FUNIT_CFG(I2C2, PLLP, 100, ec_i2c_pads, ARRAY_SIZE(ec_i2c_pads)), +}; + +void verstage_mainboard_init(void) +{ + soc_configure_funits(funits, ARRAY_SIZE(funits)); + + /* TPM */ + i2c_init(I2C3_BUS); + /* EC */ + i2c_init(I2C2_BUS); +} |