coreboot-kgpe-d16/src/soc/intel/tigerlake/i2c.c
Angel Pons 16f6aa81b6 soc/intel/tigerlake: Use SPDX for GPL-2.0-only files
Done with sed and God Lines. Only done for C-like code for now.

Change-Id: I482715c166ccf5d2f3cc25118d25b07dbfd6650a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40219
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
2020-04-06 19:35:15 +00:00

50 lines
897 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
/*
* This file is created based on Intel Tiger Lake Processor PCH Datasheet
* Document number: 575857
* Chapter number: 13
*/
#include <device/device.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <soc/pci_devs.h>
int dw_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 dw_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;
}