/* * This file is part of the coreboot project. * * Copyright 2016 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 <console/console.h> #include <device/device.h> #include <intelblocks/lpss_i2c.h> #include <soc/iomap.h> #include <soc/pci_devs.h> #include "chip.h" const struct lpss_i2c_bus_config *i2c_get_soc_cfg(unsigned int bus, const struct device *dev) { const struct soc_intel_skylake_config *config; if (!dev || !dev->chip_info) { printk(BIOS_ERR, "%s: Could not find SoC devicetree config!\n", __func__); return NULL; } config = dev->chip_info; return &config->i2c[bus]; } uintptr_t i2c_get_soc_early_base(unsigned int bus) { return EARLY_I2C_BASE(bus); } int i2c_soc_devfn_to_bus(unsigned int devfn) { switch (devfn) { case PCH_DEVFN_I2C0: return 0; case PCH_DEVFN_I2C1: return 1; case PCH_DEVFN_I2C2: return 2; case PCH_DEVFN_I2C3: return 3; case PCH_DEVFN_I2C4: return 4; case PCH_DEVFN_I2C5: return 5; } return -1; } int i2c_soc_bus_to_devfn(unsigned int bus) { switch (bus) { case 0: return PCH_DEVFN_I2C0; case 1: return PCH_DEVFN_I2C1; case 2: return PCH_DEVFN_I2C2; case 3: return PCH_DEVFN_I2C3; case 4: return PCH_DEVFN_I2C4; case 5: return PCH_DEVFN_I2C5; } return -1; }