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/*
* 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;
}
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