diff options
Diffstat (limited to 'hw/pci-host/designware.c')
| -rw-r--r-- | hw/pci-host/designware.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c index 3e8c36e6a7..c07740bfaa 100644 --- a/hw/pci-host/designware.c +++ b/hw/pci-host/designware.c @@ -55,6 +55,17 @@ #define DESIGNWARE_PCIE_ATU_DEVFN(x) (((x) >> 16) & 0xff) #define DESIGNWARE_PCIE_ATU_UPPER_TARGET 0x91C +static void designware_pcie_root_bus_class_init(ObjectClass *klass, void *data) +{ + BusClass *k = BUS_CLASS(klass); + + /* + * Designware has only a single root complex. Enforce the limit on the + * parent bus + */ + k->max_dev = 1; +} + static DesignwarePCIEHost * designware_pcie_root_to_host(DesignwarePCIERoot *root) { @@ -699,7 +710,7 @@ static void designware_pcie_host_realize(DeviceState *dev, Error **errp) &s->pci.memory, &s->pci.io, 0, 4, - TYPE_PCIE_BUS); + TYPE_DESIGNWARE_PCIE_ROOT_BUS); pci->bus->flags |= PCI_BUS_EXTENDED_CONFIG_SPACE; memory_region_init(&s->pci.address_space_root, @@ -754,6 +765,11 @@ static void designware_pcie_host_init(Object *obj) static const TypeInfo designware_pcie_types[] = { { + .name = TYPE_DESIGNWARE_PCIE_ROOT_BUS, + .parent = TYPE_PCIE_BUS, + .instance_size = sizeof(DesignwarePCIERootBus), + .class_init = designware_pcie_root_bus_class_init, + }, { .name = TYPE_DESIGNWARE_PCIE_HOST, .parent = TYPE_PCI_HOST_BRIDGE, .instance_size = sizeof(DesignwarePCIEHost), |