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-rw-r--r--hw/pci.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/hw/pci.c b/hw/pci.c
index 678a8c111..bf046bfca 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -614,7 +614,7 @@ static void pci_init_w1cmask(PCIDevice *dev)
PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY);
}
-static void pci_init_wmask_bridge(PCIDevice *d)
+static void pci_init_mask_bridge(PCIDevice *d)
{
/* PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS and
PCI_SEC_LETENCY_TIMER */
@@ -635,6 +635,14 @@ static void pci_init_wmask_bridge(PCIDevice *d)
/* PCI_PREF_BASE_UPPER32 and PCI_PREF_LIMIT_UPPER32 */
memset(d->wmask + PCI_PREF_BASE_UPPER32, 0xff, 8);
+ /* Supported memory and i/o types */
+ d->config[PCI_IO_BASE] |= PCI_IO_RANGE_TYPE_32;
+ d->config[PCI_IO_LIMIT] |= PCI_IO_RANGE_TYPE_32;
+ pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_BASE,
+ PCI_PREF_RANGE_TYPE_64);
+ pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_LIMIT,
+ PCI_PREF_RANGE_TYPE_64);
+
/* TODO: add this define to pci_regs.h in linux and then in qemu. */
#define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
#define PCI_BRIDGE_CTL_DISCARD 0x100 /* Primary discard timer */
@@ -657,6 +665,9 @@ static void pci_init_wmask_bridge(PCIDevice *d)
* completeness. */
pci_set_word(d->w1cmask + PCI_BRIDGE_CONTROL,
PCI_BRIDGE_CTL_DISCARD_STATUS);
+ d->cmask[PCI_IO_BASE] |= PCI_IO_RANGE_TYPE_MASK;
+ pci_word_test_and_set_mask(d->cmask + PCI_PREF_MEMORY_BASE,
+ PCI_PREF_RANGE_TYPE_MASK);
}
static int pci_init_multifunction(PCIBus *bus, PCIDevice *dev)
@@ -778,7 +789,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
pci_init_wmask(pci_dev);
pci_init_w1cmask(pci_dev);
if (pc->is_bridge) {
- pci_init_wmask_bridge(pci_dev);
+ pci_init_mask_bridge(pci_dev);
}
if (pci_init_multifunction(bus, pci_dev)) {
pci_config_free(pci_dev);