LXR linux/arch/mips/loongson64/vbios

   1// SPDX-License-Identifier: GPL-2.0+
   2
   3#include <linux/pci.h>
   4#include <loongson.h>
   5
   6static void pci_fixup_radeon(struct pci_dev *pdev)
   7{
   8        struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
   9
  10        if (res->start)
  11                return;
  12
  13        if (!loongson_sysconf.vgabios_addr)
  14                return;
  15
  16        pci_disable_rom(pdev);
  17        if (res->parent)
  18                release_resource(res);
  19
  20        res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr);
  21        res->end   = res->start + 256*1024 - 1;
  22        res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
  23                     IORESOURCE_PCI_FIXED;
  24
  25        dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
  26                 PCI_ROM_RESOURCE, res);
  27}
  28DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, 0x9615,
  29                                PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
  30