coreboot-kgpe-d16/src/soc/intel/alderlake/gspi.c
Subrata Banik 2871e0e78c soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage
List of changes:
1. Add required SoC programming till ramstage
2. Include only required headers into include/soc
3. Add CPU, PCH and SA EDS document number and chapter number
4. Fill required FSP-S UPD to call FSP-S API

Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-10-03 12:15:22 +00:00

25 lines
466 B
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;
}