src/soc/intel/alderlake/gspi.c

/* SPDX-License-Identifier: GPL-2.0-or-later */

/*
 * This file is created based on Intel Alder Lake Processor PCH Datasheet
 * Document number: 621483
 * Chapter number: 11
 */

#include <intelblocks/gspi.h>
#include <soc/pci_devs.h>

int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
{
	switch (gspi_bus) {
	case 0:
		return PCH_DEVFN_GSPI0;
	case 1:
		return PCH_DEVFN_GSPI1;
	case 2:
		return PCH_DEVFN_GSPI2;
	case 3:
		return PCH_DEVFN_GSPI3;
	}
	return -1;
}