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// SPDX-License-Identifier: GPL-2.0+
#include <linux/pci.h>
#include <loongson.h>
static void pci_fixup_video(struct pci_dev *pdev)
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
if (res->start)
return;
if (!loongson_sysconf.vgabios_addr)
return;
pci_disable_rom(pdev);
if (res->parent)
release_resource(res);
res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr);
res->end = res->start + 256*1024 - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
IORESOURCE_PCI_FIXED;
dev_info(&pdev->dev, "Video device with shadowed ROM at %pR\n", res);
}
DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_ATI, 0x9615,
PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
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