src/soc/amd/stoneyridge/graphics.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/pci_rom.h>
   5 #include <stdint.h>
   6
   7 #define ST_GPU_FIRST_VID_DID    0x100298e0
   8 #define ST_GPU_LAST_VID_DID     0x100298ef
   9 #define ST_VBIOS_VID_DID        0x100298e0
  10 #define CZ_GPU_FIRST_VID_DID    0x10029870
  11 #define CZ_GPU_LAST_VID_DID     0x1002987f
  12 #define CZ_VBIOS_VID_DID        0x10029870
  13
  14 /* Change the vendor / device IDs to match the generic VBIOS header. */
  15 u32 map_oprom_vendev(u32 vendev)
  16 {
  17         u32 new_vendev;
  18
  19         if ((vendev >= ST_GPU_FIRST_VID_DID) && (vendev <= ST_GPU_LAST_VID_DID))
  20                 new_vendev = ST_VBIOS_VID_DID;
  21         else if ((vendev >= CZ_GPU_FIRST_VID_DID) && (vendev <= CZ_GPU_LAST_VID_DID))
  22                 new_vendev = CZ_VBIOS_VID_DID;
  23         else
  24                 new_vendev = vendev;
  25
  26         if (vendev != new_vendev)
  27                 printk(BIOS_NOTICE, "Mapping PCI device %8x to %8x\n", vendev, new_vendev);
  28
  29         return new_vendev;
  30 }