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ppc440: Stop using system io region for PCIe buses

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Add separate memory regions for the mem and io spaces of the PCIe bus
to avoid different buses using the same system io region.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <b631c3a61729eee2166d899b8888164ebeb71574.1688586835.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
BALATON Zoltan 2023-07-05 22:12:51 +02:00 committed by Daniel Henrique Barboza
parent b5d2ad84a1
commit 088b61bc49
1 changed files with 6 additions and 3 deletions
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9
hw/ppc/ppc440_uc.c
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@ -776,6 +776,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(PPC460EXPCIEState, PPC460EX_PCIE_HOST)
struct PPC460EXPCIEState {
PCIExpressHost parent_obj;
MemoryRegion busmem;
MemoryRegion iomem;
qemu_irq irq[4];
int32_t dcrn_base;
@ -1056,15 +1057,17 @@ static void ppc460ex_pcie_realize(DeviceState *dev, Error **errp)
error_setg(errp, "invalid PCIe DCRN base");
return;
}
snprintf(buf, sizeof(buf), "pcie%d-mem", id);
memory_region_init(&s->busmem, OBJECT(s), buf, UINT64_MAX);
snprintf(buf, sizeof(buf), "pcie%d-io", id);
memory_region_init(&s->iomem, OBJECT(s), buf, UINT64_MAX);
memory_region_init(&s->iomem, OBJECT(s), buf, 64 * KiB);
for (i = 0; i < 4; i++) {
sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq[i]);
}
snprintf(buf, sizeof(buf), "pcie.%d", id);
pci->bus = pci_register_root_bus(DEVICE(s), buf, ppc460ex_set_irq,
pci_swizzle_map_irq_fn, s, &s->iomem,
get_system_io(), 0, 4, TYPE_PCIE_BUS);
pci_swizzle_map_irq_fn, s, &s->busmem,
&s->iomem, 0, 4, TYPE_PCIE_BUS);
ppc460ex_pcie_register_dcrs(s);
}