b8dc63bdfe
BUG=b:70232394 BRANCH=none TEST=emerge-reef coreboot emerge-glados Change-Id: Idb453a4d2411163e6b4a8422310bf272eac5d379 Signed-off-by: Chris Ching <chingcodes@chromium.org> Reviewed-on: https://review.coreboot.org/22822 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2016 Google Inc.
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* Copyright (C) 2017 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci_def.h>
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#include <drivers/i2c/designware/dw_i2c.h>
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#include <soc/iomap.h>
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#include <soc/pci_devs.h>
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#include "chip.h"
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const struct dw_i2c_bus_config *i2c_get_soc_cfg(unsigned int bus,
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const struct device *dev)
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{
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const struct soc_intel_cannonlake_config *config;
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if (!dev || !dev->chip_info) {
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printk(BIOS_ERR, "%s: Could not find SoC devicetree config!\n",
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__func__);
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return NULL;
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}
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config = dev->chip_info;
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return &config->i2c[bus];
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}
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uintptr_t i2c_get_soc_early_base(unsigned int bus)
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{
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return EARLY_I2C_BASE(bus);
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}
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int i2c_soc_devfn_to_bus(unsigned int devfn)
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{
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switch (devfn) {
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case PCH_DEVFN_I2C0:
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return 0;
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case PCH_DEVFN_I2C1:
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return 1;
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case PCH_DEVFN_I2C2:
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return 2;
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case PCH_DEVFN_I2C3:
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return 3;
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case PCH_DEVFN_I2C4:
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return 4;
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case PCH_DEVFN_I2C5:
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return 5;
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}
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return -1;
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}
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int i2c_soc_bus_to_devfn(unsigned int bus)
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{
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switch (bus) {
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case 0:
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return PCH_DEVFN_I2C0;
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case 1:
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return PCH_DEVFN_I2C1;
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case 2:
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return PCH_DEVFN_I2C2;
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case 3:
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return PCH_DEVFN_I2C3;
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case 4:
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return PCH_DEVFN_I2C4;
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case 5:
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return PCH_DEVFN_I2C5;
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}
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return -1;
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}
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