63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2019 Intel Corp.
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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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/*
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* This file is created based on Intel Tiger Lake Processor PCH Datasheet
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* Document number: 575857
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* Chapter number: 13
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*/
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#include <device/device.h>
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#include <drivers/i2c/designware/dw_i2c.h>
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#include <soc/pci_devs.h>
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int dw_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 dw_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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