src/soc/intel/pantherlake/spi.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <intelblocks/fast_spi.h>
   4 #include <intelblocks/spi.h>
   5 #include <soc/pci_devs.h>
   6
   7 #define PSF_SPI_DESTINATION_ID  0x5140
   8
   9 int spi_soc_devfn_to_bus(unsigned int devfn)
  10 {
  11         switch (devfn) {
  12         case PCI_DEVFN_GSPI0:
  13                 return 1;
  14         case PCI_DEVFN_GSPI1:
  15                 return 2;
  16         case PCI_DEVFN_GSPI2:
  17                 return 3;
  18         }
  19         return -1;
  20 }
  21
  22 uint32_t soc_get_spi_psf_destination_id(void)
  23 {
  24         return PSF_SPI_DESTINATION_ID;
  25 }