diff options
Diffstat (limited to 'xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c')
| -rw-r--r-- | xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c b/xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c index 032ac0028d..c94be5f95d 100644 --- a/xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c +++ b/xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c @@ -89,12 +89,14 @@ int __init get_iommu_capabilities(u8 bus, u8 dev, u8 func, u8 cap_ptr, u32 cap_header, cap_range; u64 mmio_bar; +#if HACK_BIOS_SETTINGS /* remove it when BIOS available */ write_pci_config(bus, dev, func, cap_ptr + PCI_CAP_MMIO_BAR_HIGH_OFFSET, 0x00000000); write_pci_config(bus, dev, func, cap_ptr + PCI_CAP_MMIO_BAR_LOW_OFFSET, 0x40000001); /* remove it when BIOS available */ +#endif mmio_bar = (u64)read_pci_config(bus, dev, func, cap_ptr + PCI_CAP_MMIO_BAR_HIGH_OFFSET) << 32; |