PCI I/O region is 0x3f800000 bytes starting at 0x80000000.
Do not use global QEMU I/O region, which is only 64KB.
Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
---
hw/pci-host/prep.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c
index 025a7fc..87c109b 100644
--- a/hw/pci-host/prep.c
+++ b/hw/pci-host/prep.c
@@ -55,6 +55,7 @@ typedef struct PRePPCIState {
qemu_irq irq[PCI_NUM_PINS];
PCIBus pci_bus;
AddressSpace pci_io_as;
+ MemoryRegion pci_io;
MemoryRegion pci_io_non_contiguous;
MemoryRegion pci_intack;
RavenPCIState pci_dev;
@@ -134,7 +135,7 @@ static uint64_t raven_io_read(void *opaque, hwaddr addr,
uint8_t buf[4];
addr = raven_io_address(s, addr);
- address_space_read(&s->pci_io_as, addr, buf, size);
+ address_space_read(&s->pci_io_as, addr + 0x80000000, buf, size);
if (size == 1) {
return buf[0];
@@ -165,7 +166,7 @@ static void raven_io_write(void *opaque, hwaddr addr,
assert(false);
}
- address_space_write(&s->pci_io_as, addr, buf, size);
+ address_space_write(&s->pci_io_as, addr + 0x80000000, buf, size);
}
static const MemoryRegionOps raven_io_ops = {
@@ -214,13 +215,11 @@ static void raven_pcihost_realizefn(DeviceState *d, Error
**errp)
memory_region_init_io(&h->conf_mem, OBJECT(h), &pci_host_conf_be_ops, s,
"pci-conf-idx", 1);
- sysbus_add_io(dev, 0xcf8, &h->conf_mem);
- sysbus_init_ioports(&h->busdev, 0xcf8, 1);
+ memory_region_add_subregion(&s->pci_io, 0xcf8, &h->conf_mem);
memory_region_init_io(&h->data_mem, OBJECT(h), &pci_host_data_be_ops, s,
"pci-conf-data", 1);
- sysbus_add_io(dev, 0xcfc, &h->data_mem);
- sysbus_init_ioports(&h->busdev, 0xcfc, 1);
+ memory_region_add_subregion(&s->pci_io, 0xcfc, &h->data_mem);
memory_region_init_io(&h->mmcfg, OBJECT(s), &PPC_PCIIO_ops, s, "pciio",
0x00400000);
memory_region_add_subregion(address_space_mem, 0x80800000, &h->mmcfg);
@@ -238,18 +237,20 @@ static void raven_pcihost_initfn(Object *obj)
PCIHostState *h = PCI_HOST_BRIDGE(obj);
PREPPCIState *s = RAVEN_PCI_HOST_BRIDGE(obj);
MemoryRegion *address_space_mem = get_system_memory();
- MemoryRegion *address_space_io = get_system_io();
DeviceState *pci_dev;
+ memory_region_init(&s->pci_io, obj, "pci-io", 0x3f800000);
memory_region_init_io(&s->pci_io_non_contiguous, obj, &raven_io_ops, s,
"pci-io-non-contiguous", 0x00800000);
- address_space_init(&s->pci_io_as, get_system_io(), "raven-io");
+ address_space_init(&s->pci_io_as, &s->pci_io, "raven-io");
/* CPU address space */
+ memory_region_add_subregion(address_space_mem, 0x80000000, &s->pci_io);
memory_region_add_subregion_overlap(address_space_mem, 0x80000000,
&s->pci_io_non_contiguous, 1);
pci_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), DEVICE(obj), NULL,
- address_space_mem, address_space_io, 0, TYPE_PCI_BUS);
+ address_space_mem, &s->pci_io, 0, TYPE_PCI_BUS);
+
h->bus = &s->pci_bus;
object_initialize(&s->pci_dev, sizeof(s->pci_dev), TYPE_RAVEN_PCI_DEVICE);
--
1.7.10.4
