From: Jason Baron <jba...@redhat.com> Add the dmi-to-pci i82801b11 bridge chip. This is the pci bridge chip that q35 uses on its host bus for PCI bus arbitration.
Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp> Signed-off-by: Jason Baron <jba...@redhat.com> --- hw/Makefile.objs | 1 + hw/i82801b11.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 126 insertions(+), 0 deletions(-) create mode 100644 hw/i82801b11.c diff --git a/hw/Makefile.objs b/hw/Makefile.objs index 854faa9..ef444d8 100644 --- a/hw/Makefile.objs +++ b/hw/Makefile.objs @@ -9,6 +9,7 @@ common-obj-$(CONFIG_PCI) += shpc.o common-obj-$(CONFIG_PCI) += slotid_cap.o common-obj-$(CONFIG_PCI) += pci_host.o pcie_host.o common-obj-$(CONFIG_PCI) += ioh3420.o xio3130_upstream.o xio3130_downstream.o +common-obj-$(CONFIG_PCI) += i82801b11.o common-obj-y += watchdog.o common-obj-$(CONFIG_ISA_MMIO) += isa_mmio.o common-obj-$(CONFIG_ECC) += ecc.o diff --git a/hw/i82801b11.c b/hw/i82801b11.c new file mode 100644 index 0000000..3d1f996 --- /dev/null +++ b/hw/i82801b11.c @@ -0,0 +1,125 @@ +/* + * 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 <jba...@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 "pci.h" +#include "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 { + PCIBridge br; +} I82801b11Bridge; + +static int i82801b11_bridge_initfn(PCIDevice *d) +{ + int rc; + + rc = pci_bridge_initfn(d); + 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_BRDIGE_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); + + 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; +} + +static const TypeInfo i82801b11_bridge_info = { + .name = "i82801b11-bridge", + .parent = TYPE_PCI_DEVICE, + .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 = DO_UPCAST(PCIBridge, dev, d); + qdev = &br->dev.qdev; + + 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); -- 1.7.1
