src/southbridge/amd/cs5536/pirq.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <arch/pirq_routing.h>
  18 #include <console/console.h>
  19 #include <device/pci.h>
  20 #include <device/pci_ids.h>
  21
  22 #if IS_ENABLED(CONFIG_PIRQ_ROUTE) && IS_ENABLED(CONFIG_GENERATE_PIRQ_TABLE)
  23 void pirq_assign_irqs(const unsigned char pIntAtoD[4])
  24 {
  25         struct device *pdev;
  26
  27         pdev = dev_find_device(PCI_VENDOR_ID_AMD,
  28                                PCI_DEVICE_ID_AMD_CS5536_ISA, 0);
  29
  30         if (pdev) {
  31                 pci_write_config16(pdev, 0x5c, (pIntAtoD[3] << 12
  32                         | pIntAtoD[2] << 8 | pIntAtoD[1] << 4 | pIntAtoD[0]));
  33         }
  34 }
  35 #endif