mirror of
https://github.com/qemu/qemu.git
synced 2024-12-05 09:43:44 +08:00
d0ed8076cb
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*
|
|
* QEMU DEC 21154 PCI bridge
|
|
*
|
|
* 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 "dec_pci.h"
|
|
#include "sysbus.h"
|
|
#include "pci.h"
|
|
#include "pci_host.h"
|
|
#include "pci_bridge.h"
|
|
#include "pci_internals.h"
|
|
|
|
/* debug DEC */
|
|
//#define DEBUG_DEC
|
|
|
|
#ifdef DEBUG_DEC
|
|
#define DEC_DPRINTF(fmt, ...) \
|
|
do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
|
|
#else
|
|
#define DEC_DPRINTF(fmt, ...)
|
|
#endif
|
|
|
|
typedef struct DECState {
|
|
SysBusDevice busdev;
|
|
PCIHostState host_state;
|
|
} DECState;
|
|
|
|
static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
|
|
{
|
|
return irq_num;
|
|
}
|
|
|
|
static PCIDeviceInfo dec_21154_pci_bridge_info = {
|
|
.qdev.name = "dec-21154-p2p-bridge",
|
|
.qdev.desc = "DEC 21154 PCI-PCI bridge",
|
|
.qdev.size = sizeof(PCIBridge),
|
|
.qdev.vmsd = &vmstate_pci_device,
|
|
.qdev.reset = pci_bridge_reset,
|
|
.init = pci_bridge_initfn,
|
|
.exit = pci_bridge_exitfn,
|
|
.vendor_id = PCI_VENDOR_ID_DEC,
|
|
.device_id = PCI_DEVICE_ID_DEC_21154,
|
|
.config_write = pci_bridge_write_config,
|
|
.is_bridge = 1,
|
|
};
|
|
|
|
PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
|
|
{
|
|
PCIDevice *dev;
|
|
PCIBridge *br;
|
|
|
|
dev = pci_create_multifunction(parent_bus, devfn, false,
|
|
"dec-21154-p2p-bridge");
|
|
br = DO_UPCAST(PCIBridge, dev, dev);
|
|
pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
|
|
qdev_init_nofail(&dev->qdev);
|
|
return pci_bridge_get_sec_bus(br);
|
|
}
|
|
|
|
static int pci_dec_21154_init_device(SysBusDevice *dev)
|
|
{
|
|
DECState *s;
|
|
|
|
s = FROM_SYSBUS(DECState, dev);
|
|
|
|
memory_region_init_io(&s->host_state.conf_mem, &pci_host_conf_le_ops,
|
|
&s->host_state, "pci-conf-idx", 0x1000);
|
|
memory_region_init_io(&s->host_state.data_mem, &pci_host_data_le_ops,
|
|
&s->host_state, "pci-data-idx", 0x1000);
|
|
sysbus_init_mmio_region(dev, &s->host_state.conf_mem);
|
|
sysbus_init_mmio_region(dev, &s->host_state.data_mem);
|
|
return 0;
|
|
}
|
|
|
|
static int dec_21154_pci_host_init(PCIDevice *d)
|
|
{
|
|
/* PCI2PCI bridge same values as PearPC - check this */
|
|
return 0;
|
|
}
|
|
|
|
static PCIDeviceInfo dec_21154_pci_host_info = {
|
|
.qdev.name = "dec-21154",
|
|
.qdev.size = sizeof(PCIDevice),
|
|
.init = dec_21154_pci_host_init,
|
|
.vendor_id = PCI_VENDOR_ID_DEC,
|
|
.device_id = PCI_DEVICE_ID_DEC_21154,
|
|
.revision = 0x02,
|
|
.class_id = PCI_CLASS_BRIDGE_PCI,
|
|
.is_bridge = 1,
|
|
};
|
|
|
|
static void dec_register_devices(void)
|
|
{
|
|
sysbus_register_dev("dec-21154", sizeof(DECState),
|
|
pci_dec_21154_init_device);
|
|
pci_qdev_register(&dec_21154_pci_host_info);
|
|
pci_qdev_register(&dec_21154_pci_bridge_info);
|
|
}
|
|
|
|
device_init(dec_register_devices)
|