diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-02-05 15:06:20 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:14 +0200 |
commit | c0907c9e6417cb959dfd9ef6873221536ec91351 (patch) | |
tree | cc8df9eea467139d4cbc961cf34d357f618d0e9e /hw/pci-host/versatile.c | |
parent | 8ac5c6510b609c123d6b394b2de16462ac7c395f (diff) |
hw: move PCI bridges to hw/pci-* or hw/ARCH
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/pci-host/versatile.c')
-rw-r--r-- | hw/pci-host/versatile.c | 164 |
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) |