// 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);