Export memory regions as sysbus mmio regions and let the board code
map them.
Signed-off-by: BALATON Zoltan <bala...@eik.bme.hu>
---
hw/pci-host/raven.c | 37 ++++++++++++-------------------------
hw/ppc/prep.c | 11 +++++++++--
2 files changed, 21 insertions(+), 27 deletions(-)
diff --git a/hw/pci-host/raven.c b/hw/pci-host/raven.c
index 68d64e3a97..c9df3db401 100644
--- a/hw/pci-host/raven.c
+++ b/hw/pci-host/raven.c
@@ -49,8 +49,6 @@ struct PREPPCIState {
AddressSpace bm_as;
};
-#define PCI_IO_BASE_ADDR 0x80000000 /* Physical address on main bus */
-
static inline uint32_t raven_idsel_to_addr(hwaddr addr)
{
return (ctz16(addr >> 11) << 11) | (addr & 0x7ff);
@@ -166,7 +164,7 @@ static void raven_change_gpio(void *opaque, int n, int
level)
memory_region_set_enabled(&s->pci_discontiguous_io, !!level);
}
-static void raven_pcihost_realizefn(DeviceState *d, Error **errp)
+static void raven_pcihost_realize(DeviceState *d, Error **errp)
{
SysBusDevice *dev = SYS_BUS_DEVICE(d);
PCIHostState *h = PCI_HOST_BRIDGE(dev);
@@ -176,7 +174,17 @@ static void raven_pcihost_realizefn(DeviceState *d, Error
**errp)
qdev_init_gpio_in(d, raven_change_gpio, 1);
+ memory_region_init(&s->pci_io, o, "pci-io", 0x3f800000);
+ memory_region_init_io(&s->pci_discontiguous_io, o,
+ &raven_io_ops, &s->pci_io,
+ "pci-discontiguous-io", 8 * MiB);
+ memory_region_init(&s->pci_memory, o, "pci-memory", 0x3f000000);
+
+ sysbus_init_mmio(dev, &s->pci_io);
+ sysbus_init_mmio(dev, &s->pci_discontiguous_io);
+ sysbus_init_mmio(dev, &s->pci_memory);
sysbus_init_irq(dev, &s->irq);
+
h->bus = pci_register_root_bus(d, NULL, raven_set_irq, raven_map_irq,
&s->irq, &s->pci_memory, &s->pci_io, 0, 1,
TYPE_PCI_BUS);
@@ -215,32 +223,12 @@ static void raven_pcihost_realizefn(DeviceState *d, Error
**errp)
pci_setup_iommu(h->bus, &raven_iommu_ops, s);
}
-static void raven_pcihost_initfn(Object *obj)
-{
- PREPPCIState *s = RAVEN_PCI_HOST_BRIDGE(obj);
- MemoryRegion *address_space_mem = get_system_memory();
-
- memory_region_init(&s->pci_io, obj, "pci-io", 0x3f800000);
- memory_region_init_io(&s->pci_discontiguous_io, obj,
- &raven_io_ops, &s->pci_io,
- "pci-discontiguous-io", 8 * MiB);
- memory_region_init(&s->pci_memory, obj, "pci-memory", 0x3f000000);
-
- /* CPU address space */
- memory_region_add_subregion(address_space_mem, PCI_IO_BASE_ADDR,
- &s->pci_io);
- memory_region_add_subregion_overlap(address_space_mem, PCI_IO_BASE_ADDR,
- &s->pci_discontiguous_io, 1);
- memory_region_set_enabled(&s->pci_discontiguous_io, false);
- memory_region_add_subregion(address_space_mem, 0xc0000000, &s->pci_memory);
-}
-
static void raven_pcihost_class_init(ObjectClass *klass, const void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
- dc->realize = raven_pcihost_realizefn;
+ dc->realize = raven_pcihost_realize;
dc->fw_name = "pci";
}
@@ -274,7 +262,6 @@ static const TypeInfo raven_types[] = {
.name = TYPE_RAVEN_PCI_HOST_BRIDGE,
.parent = TYPE_PCI_HOST_BRIDGE,
.instance_size = sizeof(PREPPCIState),
- .instance_init = raven_pcihost_initfn,
.class_init = raven_pcihost_class_init,
},
{
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index d3365414d2..23d0e1eeaa 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -53,8 +53,11 @@
#define CFG_ADDR 0xf0000510
-#define KERNEL_LOAD_ADDR 0x01000000
-#define INITRD_LOAD_ADDR 0x01800000
+#define KERNEL_LOAD_ADDR 0x01000000
+#define INITRD_LOAD_ADDR 0x01800000
+
+#define PCI_IO_BASE_ADDR 0x80000000
+#define PCI_MEM_BASE_ADDR 0xc0000000
#define BIOS_ADDR 0xfff00000
#define BIOS_SIZE (1 * MiB)
@@ -293,6 +296,10 @@ static void ibm_40p_init(MachineState *machine)
pcihost = SYS_BUS_DEVICE(dev);
object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev));
sysbus_realize_and_unref(pcihost, &error_fatal);
+ sysbus_mmio_map(pcihost, 0, PCI_IO_BASE_ADDR);
+ sysbus_mmio_map_overlap(pcihost, 1, PCI_IO_BASE_ADDR, 1);
+ memory_region_set_enabled(sysbus_mmio_get_region(pcihost, 1), false);
+ sysbus_mmio_map(pcihost, 2, PCI_MEM_BASE_ADDR);
pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0"));
if (!pci_bus) {
error_report("could not create PCI host controller");
--
2.41.3
