hw: move PCI bridges to hw/pci-* or hw/ARCH

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 165 insertions, 0 deletions

diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
new file mode 100644
index 0000000000..69344d9f6a
--- /dev/null
+++ b/hw/pci-host/grackle.c
@@ -0,0 +1,165 @@
+/*
+ * QEMU Grackle PCI host (heathrow OldWorld PowerMac)
+ *
+ * Copyright (c) 2006-2007 Fabrice Bellard
+ * Copyright (c) 2007 Jocelyn Mayer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw/pci/pci_host.h"
+#include "hw/ppc/mac.h"
+#include "hw/pci/pci.h"
+
+/* debug Grackle */
+//#define DEBUG_GRACKLE
+
+#ifdef DEBUG_GRACKLE
+#define GRACKLE_DPRINTF(fmt, ...)                               \
+    do { printf("GRACKLE: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define GRACKLE_DPRINTF(fmt, ...)
+#endif
+
+#define GRACKLE_PCI_HOST_BRIDGE(obj) \
+    OBJECT_CHECK(GrackleState, (obj), TYPE_GRACKLE_PCI_HOST_BRIDGE)
+
+typedef struct GrackleState {
+    PCIHostState parent_obj;
+
+    MemoryRegion pci_mmio;
+    MemoryRegion pci_hole;
+} GrackleState;
+
+/* Don't know if this matches real hardware, but it agrees with OHW.  */
+static int pci_grackle_map_irq(PCIDevice *pci_dev, int irq_num)
+{
+    return (irq_num + (pci_dev->devfn >> 3)) & 3;
+}
+
+static void pci_grackle_set_irq(void *opaque, int irq_num, int level)
+{
+    qemu_irq *pic = opaque;
+
+    GRACKLE_DPRINTF("set_irq num %d level %d\n", irq_num, level);
+    qemu_set_irq(pic[irq_num + 0x15], level);
+}
+
+PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
+                         MemoryRegion *address_space_mem,
+                         MemoryRegion *address_space_io)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    PCIHostState *phb;
+    GrackleState *d;
+
+    dev = qdev_create(NULL, TYPE_GRACKLE_PCI_HOST_BRIDGE);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    phb = PCI_HOST_BRIDGE(dev);
+    d = GRACKLE_PCI_HOST_BRIDGE(dev);
+
+    memory_region_init(&d->pci_mmio, "pci-mmio", 0x100000000ULL);
+    memory_region_init_alias(&d->pci_hole, "pci-hole", &d->pci_mmio,
+                             0x80000000ULL, 0x7e000000ULL);
+    memory_region_add_subregion(address_space_mem, 0x80000000ULL,
+                                &d->pci_hole);
+
+    phb->bus = pci_register_bus(dev, "pci",
+                                pci_grackle_set_irq,
+                                pci_grackle_map_irq,
+                                pic,
+                                &d->pci_mmio,
+                                address_space_io,
+                                0, 4, TYPE_PCI_BUS);
+
+    pci_create_simple(phb->bus, 0, "grackle");
+
+    sysbus_mmio_map(s, 0, base);
+    sysbus_mmio_map(s, 1, base + 0x00200000);
+
+    return phb->bus;
+}
+
+static int pci_grackle_init_device(SysBusDevice *dev)
+{
+    PCIHostState *phb;
+
+    phb = PCI_HOST_BRIDGE(dev);
+
+    memory_region_init_io(&phb->conf_mem, &pci_host_conf_le_ops,
+                          dev, "pci-conf-idx", 0x1000);
+    memory_region_init_io(&phb->data_mem, &pci_host_data_le_ops,
+                          dev, "pci-data-idx", 0x1000);
+    sysbus_init_mmio(dev, &phb->conf_mem);
+    sysbus_init_mmio(dev, &phb->data_mem);
+
+    return 0;
+}
+
+static int grackle_pci_host_init(PCIDevice *d)
+{
+    d->config[0x09] = 0x01;
+    return 0;
+}
+
+static void grackle_pci_class_init(ObjectClass *klass, void *data)
+{
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    k->init      = grackle_pci_host_init;
+    k->vendor_id = PCI_VENDOR_ID_MOTOROLA;
+    k->device_id = PCI_DEVICE_ID_MOTOROLA_MPC106;
+    k->revision  = 0x00;
+    k->class_id  = PCI_CLASS_BRIDGE_HOST;
+    dc->no_user = 1;
+}
+
+static const TypeInfo grackle_pci_info = {
+    .name          = "grackle",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(PCIDevice),
+    .class_init = grackle_pci_class_init,
+};
+
+static void pci_grackle_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    k->init = pci_grackle_init_device;
+    dc->no_user = 1;
+}
+
+static const TypeInfo grackle_pci_host_info = {
+    .name          = TYPE_GRACKLE_PCI_HOST_BRIDGE,
+    .parent        = TYPE_PCI_HOST_BRIDGE,
+    .instance_size = sizeof(GrackleState),
+    .class_init    = pci_grackle_class_init,
+};
+
+static void grackle_register_types(void)
+{
+    type_register_static(&grackle_pci_info);
+    type_register_static(&grackle_pci_host_info);
+}
+
+type_init(grackle_register_types)