diff options
-rw-r--r-- | hw/pci-host/designware.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c index bde3a343a2..c235b9daa3 100644 --- a/hw/pci-host/designware.c +++ b/hw/pci-host/designware.c @@ -340,6 +340,8 @@ static void designware_pcie_root_config_write(PCIDevice *d, uint32_t address, break; case DESIGNWARE_PCIE_ATU_VIEWPORT: + val &= DESIGNWARE_PCIE_ATU_REGION_INBOUND | + (DESIGNWARE_PCIE_NUM_VIEWPORTS - 1); root->atu_viewport = val; break; |