src/soc/intel/alderlake/gspi.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /*
   4  * This file is created based on Intel Alder Lake Processor PCH Datasheet
   5  * Document number: 621483
   6  * Chapter number: 11
   7  */
   8
   9 #include <intelblocks/gspi.h>
  10 #include <soc/pci_devs.h>
  11
  12 int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
  13 {
  14         switch (gspi_bus) {
  15         case 0:
  16                 return PCH_DEVFN_GSPI0;
  17         case 1:
  18                 return PCH_DEVFN_GSPI1;
  19         case 2:
  20                 return PCH_DEVFN_GSPI2;
  21         case 3:
  22                 return PCH_DEVFN_GSPI3;
  23         }
  24         return -1;
  25 }