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author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2018-03-06 22:01:57 +0000 |
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committer | David Gibson <david@gibson.dropbear.id.au> | 2018-04-27 18:05:22 +1000 |
commit | a94e5f998bf353e848a9ae7c679b06fff36b4698 (patch) | |
tree | 53fa6247e01aa50a4cf357d42bfb74ffc54ac719 /hw/pci-host | |
parent | a773e64a8fd2a3ef97d6e405dbfb28c17660136d (diff) | |
download | qemu-a94e5f998bf353e848a9ae7c679b06fff36b4698.zip qemu-a94e5f998bf353e848a9ae7c679b06fff36b4698.tar.gz qemu-a94e5f998bf353e848a9ae7c679b06fff36b4698.tar.bz2 |
grackle: move PCI IO (ISA) memory region into the grackle device
This simplifies the Old World machine to simply mapping the ISA memory region
into the main address space.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/pci-host')
-rw-r--r-- | hw/pci-host/grackle.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c index e4583d4..4810a4d 100644 --- a/hw/pci-host/grackle.c +++ b/hw/pci-host/grackle.c @@ -41,6 +41,7 @@ typedef struct GrackleState { qemu_irq irqs[4]; MemoryRegion pci_mmio; MemoryRegion pci_hole; + MemoryRegion pci_io; } GrackleState; /* Don't know if this matches real hardware, but it agrees with OHW. */ @@ -76,7 +77,7 @@ static void grackle_realize(DeviceState *dev, Error **errp) pci_grackle_map_irq, s, &s->pci_mmio, - get_system_io(), + &s->pci_io, 0, 4, TYPE_PCI_BUS); pci_create_simple(phb->bus, 0, "grackle"); @@ -90,6 +91,9 @@ static void grackle_init(Object *obj) PCIHostState *phb = PCI_HOST_BRIDGE(obj); memory_region_init(&s->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL); + memory_region_init_io(&s->pci_io, OBJECT(s), &unassigned_io_ops, obj, + "pci-isa-mmio", 0x00200000); + memory_region_init_alias(&s->pci_hole, OBJECT(s), "pci-hole", &s->pci_mmio, 0x80000000ULL, 0x7e000000ULL); @@ -106,6 +110,7 @@ static void grackle_init(Object *obj) sysbus_init_mmio(sbd, &phb->conf_mem); sysbus_init_mmio(sbd, &phb->data_mem); sysbus_init_mmio(sbd, &s->pci_hole); + sysbus_init_mmio(sbd, &s->pci_io); } static void grackle_pci_realize(PCIDevice *d, Error **errp) |