1 files changed, 164 insertions, 0 deletions
diff --git a/hw/pci-host/versatile.c b/hw/pci-host/versatile.c
new file mode 100644
index 0000000000..d67ca796fb
--- /dev/null
+++ b/hw/pci-host/versatile.c
@@ -0,0 +1,164 @@
+/*
+ * ARM Versatile/PB PCI host controller
+ *
+ * Copyright (c) 2006-2009 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the LGPL.
+ */
+
+#include "hw/sysbus.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/pci_host.h"
+#include "exec/address-spaces.h"
+
+typedef struct {
+    SysBusDevice busdev;
+    qemu_irq irq[4];
+    int realview;
+    MemoryRegion mem_config;
+    MemoryRegion mem_config2;
+    MemoryRegion isa;
+} PCIVPBState;
+
+static inline uint32_t vpb_pci_config_addr(hwaddr addr)
+{
+    return addr & 0xffffff;
+}
+
+static void pci_vpb_config_write(void *opaque, hwaddr addr,
+                                 uint64_t val, unsigned size)
+{
+    pci_data_write(opaque, vpb_pci_config_addr(addr), val, size);
+}
+
+static uint64_t pci_vpb_config_read(void *opaque, hwaddr addr,
+                                    unsigned size)
+{
+    uint32_t val;
+    val = pci_data_read(opaque, vpb_pci_config_addr(addr), size);
+    return val;
+}
+
+static const MemoryRegionOps pci_vpb_config_ops = {
+    .read = pci_vpb_config_read,
+    .write = pci_vpb_config_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static int pci_vpb_map_irq(PCIDevice *d, int irq_num)
+{
+    return irq_num;
+}
+
+static void pci_vpb_set_irq(void *opaque, int irq_num, int level)
+{
+    qemu_irq *pic = opaque;
+
+    qemu_set_irq(pic[irq_num], level);
+}
+
+static int pci_vpb_init(SysBusDevice *dev)
+{
+    PCIVPBState *s = FROM_SYSBUS(PCIVPBState, dev);
+    PCIBus *bus;
+    int i;
+
+    for (i = 0; i < 4; i++) {
+        sysbus_init_irq(dev, &s->irq[i]);
+    }
+    bus = pci_register_bus(&dev->qdev, "pci",
+                           pci_vpb_set_irq, pci_vpb_map_irq, s->irq,
+                           get_system_memory(), get_system_io(),
+                           PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS);
+
+    /* ??? Register memory space.  */
+
+    /* Our memory regions are:
+     * 0 : PCI self config window
+     * 1 : PCI config window
+     * 2 : PCI IO window (realview_pci only)
+     */
+    memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus,
+                          "pci-vpb-selfconfig", 0x1000000);
+    sysbus_init_mmio(dev, &s->mem_config);
+    memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus,
+                          "pci-vpb-config", 0x1000000);
+    sysbus_init_mmio(dev, &s->mem_config2);
+    if (s->realview) {
+        isa_mmio_setup(&s->isa, 0x0100000);
+        sysbus_init_mmio(dev, &s->isa);
+    }
+
+    pci_create_simple(bus, -1, "versatile_pci_host");
+    return 0;
+}
+
+static int pci_realview_init(SysBusDevice *dev)
+{
+    PCIVPBState *s = FROM_SYSBUS(PCIVPBState, dev);
+    s->realview = 1;
+    return pci_vpb_init(dev);
+}
+
+static int versatile_pci_host_init(PCIDevice *d)
+{
+    pci_set_word(d->config + PCI_STATUS,
+		 PCI_STATUS_66MHZ | PCI_STATUS_DEVSEL_MEDIUM);
+    pci_set_byte(d->config + PCI_LATENCY_TIMER, 0x10);
+    return 0;
+}
+
+static void versatile_pci_host_class_init(ObjectClass *klass, void *data)
+{
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = versatile_pci_host_init;
+    k->vendor_id = PCI_VENDOR_ID_XILINX;
+    k->device_id = PCI_DEVICE_ID_XILINX_XC2VP30;
+    k->class_id = PCI_CLASS_PROCESSOR_CO;
+}
+
+static const TypeInfo versatile_pci_host_info = {
+    .name          = "versatile_pci_host",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(PCIDevice),
+    .class_init    = versatile_pci_host_class_init,
+};
+
+static void pci_vpb_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+    sdc->init = pci_vpb_init;
+}
+
+static const TypeInfo pci_vpb_info = {
+    .name          = "versatile_pci",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(PCIVPBState),
+    .class_init    = pci_vpb_class_init,
+};
+
+static void pci_realview_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+    sdc->init = pci_realview_init;
+}
+
+static const TypeInfo pci_realview_info = {
+    .name          = "realview_pci",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(PCIVPBState),
+    .class_init    = pci_realview_class_init,
+};
+
+static void versatile_pci_register_types(void)
+{
+    type_register_static(&pci_vpb_info);
+    type_register_static(&pci_realview_info);
+    type_register_static(&versatile_pci_host_info);
+}
+
+type_init(versatile_pci_register_types)