diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci-host/prep.c | 9 | ||||
| -rw-r--r-- | hw/ppc/prep.c | 9 |
2 files changed, 15 insertions, 3 deletions
diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c index 6463b6d..7f23a11 100644 --- a/hw/pci-host/prep.c +++ b/hw/pci-host/prep.c @@ -57,6 +57,7 @@ typedef struct PRePPCIState { AddressSpace pci_io_as; MemoryRegion pci_io; MemoryRegion pci_io_non_contiguous; + MemoryRegion pci_memory; MemoryRegion pci_intack; RavenPCIState pci_dev; @@ -204,8 +205,6 @@ static void raven_pcihost_realizefn(DeviceState *d, Error **errp) MemoryRegion *address_space_mem = get_system_memory(); int i; - isa_mem_base = 0xc0000000; - for (i = 0; i < PCI_NUM_PINS; i++) { sysbus_init_irq(dev, &s->irq[i]); } @@ -243,14 +242,18 @@ static void raven_pcihost_initfn(Object *obj) 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); + /* Open Hack'Ware hack: real size should be only 0x3f000000 bytes */ + memory_region_init(&s->pci_memory, obj, "pci-memory", + 0x3f000000 + 0xc0000000ULL); 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); + memory_region_add_subregion(address_space_mem, 0xc0000000, &s->pci_memory); pci_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), DEVICE(obj), NULL, - address_space_mem, &s->pci_io, 0, TYPE_PCI_BUS); + &s->pci_memory, &s->pci_io, 0, TYPE_PCI_BUS); h->bus = &s->pci_bus; diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index 035b5b2..e243651 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -381,6 +381,7 @@ static void ppc_prep_init(QEMUMachineInitArgs *args) #endif int linux_boot, i, nb_nics1; MemoryRegion *ram = g_new(MemoryRegion, 1); + MemoryRegion *vga = g_new(MemoryRegion, 1); uint32_t kernel_base, initrd_base; long kernel_size, initrd_size; DeviceState *dev; @@ -506,6 +507,14 @@ static void ppc_prep_init(QEMUMachineInitArgs *args) /* init basic PC hardware */ pci_vga_init(pci_bus); + /* Open Hack'Ware hack: PCI BAR#0 is programmed to 0xf0000000. + * While bios will access framebuffer at 0xf0000000, real physical + * address is 0xf0000000 + 0xc0000000 (PCI memory base). + * Alias the wrong memory accesses to the right place. + */ + memory_region_init_alias(vga, NULL, "vga-alias", pci_address_space(pci), + 0xf0000000, 0x1000000); + memory_region_add_subregion_overlap(sysmem, 0xf0000000, vga, 10); nb_nics1 = nb_nics; if (nb_nics1 > NE2000_NB_MAX) |
