src/soc/intel/cannonlake/gspi.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <intelblocks/gspi.h>
  17 #include <soc/pci_devs.h>
  18
  19 int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
  20 {
  21         switch (gspi_bus) {
  22         case 0:
  23                 return PCH_DEVFN_GSPI0;
  24         case 1:
  25                 return PCH_DEVFN_GSPI1;
  26         case 2:
  27                 return PCH_DEVFN_GSPI2;
  28         }
  29         return -1;
  30 }