diff options
| -rw-r--r-- | hw/pci-host/apb.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c index 208ac85..3756ce9 100644 --- a/hw/pci-host/apb.c +++ b/hw/pci-host/apb.c @@ -70,9 +70,14 @@ do { printf("APB: " fmt , ## __VA_ARGS__); } while (0) #define MAX_IVEC 0x40 #define NO_IRQ_REQUEST (MAX_IVEC + 1) +#define TYPE_APB "pbm" + +#define APB_DEVICE(obj) \ + OBJECT_CHECK(APBState, (obj), TYPE_APB) + typedef struct APBState { - SysBusDevice busdev; - PCIBus *bus; + PCIHostState parent_obj; + MemoryRegion apb_config; MemoryRegion pci_config; MemoryRegion pci_mmio; @@ -284,10 +289,11 @@ static void apb_pci_config_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { APBState *s = opaque; + PCIHostState *phb = PCI_HOST_BRIDGE(s); val = qemu_bswap_len(val, size); APB_DPRINTF("%s: addr " TARGET_FMT_plx " val %" PRIx64 "\n", __func__, addr, val); - pci_data_write(s->bus, addr, val, size); + pci_data_write(phb->bus, addr, val, size); } static uint64_t apb_pci_config_read(void *opaque, hwaddr addr, @@ -295,8 +301,9 @@ static uint64_t apb_pci_config_read(void *opaque, hwaddr addr, { uint32_t ret; APBState *s = opaque; + PCIHostState *phb = PCI_HOST_BRIDGE(s); - ret = pci_data_read(s->bus, addr, size); + ret = pci_data_read(phb->bus, addr, size); ret = qemu_bswap_len(ret, size); APB_DPRINTF("%s: addr " TARGET_FMT_plx " -> %x\n", __func__, addr, ret); return ret; @@ -381,12 +388,13 @@ PCIBus *pci_apb_init(hwaddr special_base, { DeviceState *dev; SysBusDevice *s; + PCIHostState *phb; APBState *d; PCIDevice *pci_dev; PCIBridge *br; /* Ultrasparc PBM main bus */ - dev = qdev_create(NULL, "pbm"); + dev = qdev_create(NULL, TYPE_APB); qdev_init_nofail(dev); s = SYS_BUS_DEVICE(dev); /* apb_config */ @@ -395,24 +403,25 @@ PCIBus *pci_apb_init(hwaddr special_base, sysbus_mmio_map(s, 1, special_base + 0x1000000ULL); /* pci_ioport */ sysbus_mmio_map(s, 2, special_base + 0x2000000ULL); - d = FROM_SYSBUS(APBState, s); + d = APB_DEVICE(dev); memory_region_init(&d->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL); memory_region_add_subregion(get_system_memory(), mem_base, &d->pci_mmio); - d->bus = pci_register_bus(&d->busdev.qdev, "pci", - pci_apb_set_irq, pci_pbm_map_irq, d, - &d->pci_mmio, - get_system_io(), - 0, 32, TYPE_PCI_BUS); + phb = PCI_HOST_BRIDGE(dev); + phb->bus = pci_register_bus(DEVICE(phb), "pci", + pci_apb_set_irq, pci_pbm_map_irq, d, + &d->pci_mmio, + get_system_io(), + 0, 32, TYPE_PCI_BUS); *pbm_irqs = d->pbm_irqs; d->ivec_irqs = ivec_irqs; - pci_create_simple(d->bus, 0, "pbm-pci"); + pci_create_simple(phb->bus, 0, "pbm-pci"); /* APB secondary busses */ - pci_dev = pci_create_multifunction(d->bus, PCI_DEVFN(1, 0), true, + pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 0), true, "pbm-bridge"); br = DO_UPCAST(PCIBridge, dev, pci_dev); pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 1", @@ -420,7 +429,7 @@ PCIBus *pci_apb_init(hwaddr special_base, qdev_init_nofail(&pci_dev->qdev); *bus2 = pci_bridge_get_sec_bus(br); - pci_dev = pci_create_multifunction(d->bus, PCI_DEVFN(1, 1), true, + pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 1), true, "pbm-bridge"); br = DO_UPCAST(PCIBridge, dev, pci_dev); pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 2", @@ -428,13 +437,13 @@ PCIBus *pci_apb_init(hwaddr special_base, qdev_init_nofail(&pci_dev->qdev); *bus3 = pci_bridge_get_sec_bus(br); - return d->bus; + return phb->bus; } static void pci_pbm_reset(DeviceState *d) { unsigned int i; - APBState *s = container_of(d, APBState, busdev.qdev); + APBState *s = APB_DEVICE(d); for (i = 0; i < 8; i++) { s->pci_irq_map[i] &= PBM_PCI_IMR_MASK; @@ -463,7 +472,7 @@ static int pci_pbm_init_device(SysBusDevice *dev) APBState *s; unsigned int i; - s = FROM_SYSBUS(APBState, dev); + s = APB_DEVICE(dev); for (i = 0; i < 8; i++) { s->pci_irq_map[i] = (0x1f << 6) | (i << 2); } @@ -531,8 +540,8 @@ static void pbm_host_class_init(ObjectClass *klass, void *data) } static const TypeInfo pbm_host_info = { - .name = "pbm", - .parent = TYPE_SYS_BUS_DEVICE, + .name = TYPE_APB, + .parent = TYPE_PCI_HOST_BRIDGE, .instance_size = sizeof(APBState), .class_init = pbm_host_class_init, }; |