summaryrefslogtreecommitdiff
path: root/src/soc/intel/icelake/spi.c
blob: 9f3f44a227714cc3513cc019386a18ad2a83433e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/*
 * This file is part of the coreboot project.
 *
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 <intelblocks/spi.h>
#include <soc/pci_devs.h>

int spi_soc_devfn_to_bus(unsigned int devfn)
{
	switch (devfn) {
	case PCH_DEVFN_SPI:
		return 0;
	case PCH_DEVFN_GSPI0:
		return 1;
	case PCH_DEVFN_GSPI1:
		return 2;
	case PCH_DEVFN_GSPI2:
		return 3;
	}
	return -1;
}