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/*
* Copyright (c) 2006 Fabrice Bellard
*
* 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.
*/
/*
* QEMU i82801b11 dmi-to-pci Bridge Emulation
*
* Copyright (c) 2009, 2010, 2011
* Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
* Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#include "hw/pci/pci.h"
#include "hw/i386/ich9.h"
/*****************************************************************************/
/* ICH9 DMI-to-PCI bridge */
#define I82801ba_SSVID_OFFSET 0x50
#define I82801ba_SSVID_SVID 0
#define I82801ba_SSVID_SSID 0
typedef struct I82801b11Bridge {
/*< private >*/
PCIBridge parent_obj;
/*< public >*/
} I82801b11Bridge;
static int i82801b11_bridge_initfn(PCIDevice *d)
{
int rc;
rc = pci_bridge_initfn(d, TYPE_PCI_BUS);
if (rc < 0) {
return rc;
}
rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET,
I82801ba_SSVID_SVID, I82801ba_SSVID_SSID);
if (rc < 0) {
goto err_bridge;
}
pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB);
return 0;
err_bridge:
pci_bridge_exitfn(d);
return rc;
}
static void i82801b11_bridge_class_init(ObjectClass *klass, void *data)
{
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
k->is_bridge = 1;
k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
k->revision = ICH9_D2P_A2_REVISION;
k->init = i82801b11_bridge_initfn;
k->config_write = pci_bridge_write_config;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
}
static const TypeInfo i82801b11_bridge_info = {
.name = "i82801b11-bridge",
.parent = TYPE_PCI_BRIDGE,
.instance_size = sizeof(I82801b11Bridge),
.class_init = i82801b11_bridge_class_init,
};
PCIBus *ich9_d2pbr_init(PCIBus *bus, int devfn, int sec_bus)
{
PCIDevice *d;
PCIBridge *br;
char buf[16];
DeviceState *qdev;
d = pci_create_multifunction(bus, devfn, true, "i82801b11-bridge");
if (!d) {
return NULL;
}
br = PCI_BRIDGE(d);
qdev = DEVICE(d);
snprintf(buf, sizeof(buf), "pci.%d", sec_bus);
pci_bridge_map_irq(br, buf, pci_swizzle_map_irq_fn);
qdev_init_nofail(qdev);
return pci_bridge_get_sec_bus(br);
}
static void d2pbr_register(void)
{
type_register_static(&i82801b11_bridge_info);
}
type_init(d2pbr_register);
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