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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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30 lines
733 B
C
30 lines
733 B
C
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// SPDX-License-Identifier: GPL-2.0+
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#include <linux/pci.h>
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#include <loongson.h>
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static void pci_fixup_radeon(struct pci_dev *pdev)
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{
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struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
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if (res->start)
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return;
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if (!loongson_sysconf.vgabios_addr)
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return;
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pci_disable_rom(pdev);
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if (res->parent)
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release_resource(res);
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res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr);
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res->end = res->start + 256*1024 - 1;
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res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
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IORESOURCE_PCI_FIXED;
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dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
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PCI_ROM_RESOURCE, res);
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}
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DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, 0x9615,
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PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
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