| /* |
| * 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. |
| */ |
| |
| #include <soc/addressmap.h> |
| #include <soc/clock.h> |
| #include <soc/funitcfg.h> |
| #include <soc/nvidia/tegra/i2c.h> |
| #include <soc/padconfig.h> |
| #include <soc/romstage.h> |
| |
| static const struct pad_config padcfgs[] = { |
| /* SOC_WARM_RESET_L */ |
| PAD_CFG_GPIO_OUT1(GPIO_PI5, PINMUX_PULL_UP), |
| }; |
| |
| static const struct pad_config i2cpad[] = { |
| /* TPM I2C */ |
| 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 spipad[] = { |
| /* EC on SPI1: mosi, miso, clk, cs */ |
| PAD_CFG_SFIO(ULPI_CLK, PINMUX_INPUT_ENABLE, SPI1), |
| PAD_CFG_SFIO(ULPI_DIR, PINMUX_INPUT_ENABLE, SPI1), |
| PAD_CFG_SFIO(ULPI_NXT, PINMUX_INPUT_ENABLE, SPI1), |
| PAD_CFG_SFIO(ULPI_STP, PINMUX_INPUT_ENABLE, SPI1), |
| }; |
| |
| static const struct funit_cfg funitcfgs[] = { |
| FUNIT_CFG(SBC1, CLK_M, 3000, spipad, ARRAY_SIZE(spipad)), |
| FUNIT_CFG(I2C3, PLLP, 400, i2cpad, ARRAY_SIZE(i2cpad)), |
| }; |
| |
| void romstage_mainboard_init(void) |
| { |
| /* Bring up controller interfaces for ramstage loading. */ |
| soc_configure_pads(padcfgs, ARRAY_SIZE(padcfgs)); |
| soc_configure_funits(funitcfgs, ARRAY_SIZE(funitcfgs)); |
| |
| /* TPM I2C bus */ |
| i2c_init(2); |
| } |
| |
| void mainboard_configure_pmc(void) |
| { |
| } |
| |
| void mainboard_enable_vdd_cpu(void) |
| { |
| /* VDD_CPU is already enabled in bootblock. */ |
| } |