diff options
Diffstat (limited to 'hw/pci-host/q35.c')
| -rw-r--r-- | hw/pci-host/q35.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index c043998e32..4bc2e0118e 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -356,28 +356,11 @@ static int mch_init(PCIDevice *d) { int i; MCHPCIState *mch = MCH_PCI_DEVICE(d); - uint64_t pci_hole64_size; - - /* setup pci memory regions */ - memory_region_init_alias(&mch->pci_hole, OBJECT(mch), "pci-hole", - mch->pci_address_space, - mch->below_4g_mem_size, - 0x100000000ULL - mch->below_4g_mem_size); - memory_region_add_subregion(mch->system_memory, mch->below_4g_mem_size, - &mch->pci_hole); - - pci_hole64_size = pci_host_get_hole64_size(mch->pci_hole64_size); - pc_init_pci64_hole(&mch->pci_info, 0x100000000ULL + mch->above_4g_mem_size, - pci_hole64_size); - memory_region_init_alias(&mch->pci_hole_64bit, OBJECT(mch), "pci-hole64", - mch->pci_address_space, - mch->pci_info.w64.begin, - pci_hole64_size); - if (pci_hole64_size) { - memory_region_add_subregion(mch->system_memory, - mch->pci_info.w64.begin, - &mch->pci_hole_64bit); - } + + /* setup pci memory mapping */ + pc_pci_as_mapping_init(OBJECT(mch), mch->system_memory, + mch->pci_address_space); + /* smram */ cpu_smm_register(&mch_set_smm, mch); memory_region_init_alias(&mch->smram_region, OBJECT(mch), "smram-region", @@ -420,6 +403,11 @@ static void mch_class_init(ObjectClass *klass, void *data) k->device_id = PCI_DEVICE_ID_INTEL_Q35_MCH; k->revision = MCH_HOST_BRIDGE_REVISION_DEFAULT; k->class_id = PCI_CLASS_BRIDGE_HOST; + /* + * PCI-facing part of the host bridge, not usable without the + * host-facing part, which can't be device_add'ed, yet. + */ + dc->cannot_instantiate_with_device_add_yet = true; } static const TypeInfo mch_info = { |