diff options
Diffstat (limited to 'hw/q35.c')
| -rw-r--r-- | hw/q35.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/hw/q35.c b/hw/q35.c deleted file mode 100644 index 6ea081aaa3..0000000000 --- a/hw/q35.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * QEMU MCH/ICH9 PCI Bridge Emulation - * - * Copyright (c) 2006 Fabrice Bellard - * 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 is based on piix_pci.c, but heavily modified. - * - * 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 "hw/hw.h" -#include "hw/q35.h" - -/**************************************************************************** - * Q35 host - */ - -static int q35_host_init(SysBusDevice *dev) -{ - PCIBus *b; - PCIHostState *pci = FROM_SYSBUS(PCIHostState, dev); - Q35PCIHost *s = Q35_HOST_DEVICE(&dev->qdev); - - memory_region_init_io(&pci->conf_mem, &pci_host_conf_le_ops, pci, - "pci-conf-idx", 4); - sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_ADDR, &pci->conf_mem); - sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_ADDR, 4); - - memory_region_init_io(&pci->data_mem, &pci_host_data_le_ops, pci, - "pci-conf-data", 4); - sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem); - sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_DATA, 4); - - if (pcie_host_init(&s->host) < 0) { - return -1; - } - b = pci_bus_new(&s->host.pci.busdev.qdev, "pcie.0", - s->mch.pci_address_space, s->mch.address_space_io, - 0, TYPE_PCIE_BUS); - s->host.pci.bus = b; - qdev_set_parent_bus(DEVICE(&s->mch), BUS(b)); - qdev_init_nofail(DEVICE(&s->mch)); - - return 0; -} - -static Property mch_props[] = { - DEFINE_PROP_UINT64("MCFG", Q35PCIHost, host.base_addr, - MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT), - DEFINE_PROP_END_OF_LIST(), -}; - -static void q35_host_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = q35_host_init; - dc->props = mch_props; -} - -static void q35_host_initfn(Object *obj) -{ - Q35PCIHost *s = Q35_HOST_DEVICE(obj); - - object_initialize(&s->mch, TYPE_MCH_PCI_DEVICE); - object_property_add_child(OBJECT(s), "mch", OBJECT(&s->mch), NULL); - qdev_prop_set_uint32(DEVICE(&s->mch), "addr", PCI_DEVFN(0, 0)); - qdev_prop_set_bit(DEVICE(&s->mch), "multifunction", false); -} - -static const TypeInfo q35_host_info = { - .name = TYPE_Q35_HOST_DEVICE, - .parent = TYPE_PCIE_HOST_BRIDGE, - .instance_size = sizeof(Q35PCIHost), - .instance_init = q35_host_initfn, - .class_init = q35_host_class_init, -}; - -/**************************************************************************** - * MCH D0:F0 - */ - -/* PCIe MMCFG */ -static void mch_update_pciexbar(MCHPCIState *mch) -{ - PCIDevice *pci_dev = &mch->d; - BusState *bus = qdev_get_parent_bus(&pci_dev->qdev); - DeviceState *qdev = bus->parent; - Q35PCIHost *s = Q35_HOST_DEVICE(qdev); - - uint64_t pciexbar; - int enable; - uint64_t addr; - uint64_t addr_mask; - uint32_t length; - - pciexbar = pci_get_quad(pci_dev->config + MCH_HOST_BRIDGE_PCIEXBAR); - enable = pciexbar & MCH_HOST_BRIDGE_PCIEXBAREN; - addr_mask = MCH_HOST_BRIDGE_PCIEXBAR_ADMSK; - switch (pciexbar & MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK) { - case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M: - length = 256 * 1024 * 1024; - break; - case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M: - length = 128 * 1024 * 1024; - addr_mask |= MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK | - MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK; - break; - case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M: - length = 64 * 1024 * 1024; - addr_mask |= MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK; - break; - case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD: - default: - enable = 0; - length = 0; - abort(); - break; - } - addr = pciexbar & addr_mask; - pcie_host_mmcfg_update(&s->host, enable, addr, length); -} - -/* PAM */ -static void mch_update_pam(MCHPCIState *mch) -{ - int i; - - memory_region_transaction_begin(); - for (i = 0; i < 13; i++) { - pam_update(&mch->pam_regions[i], i, - mch->d.config[MCH_HOST_BRIDGE_PAM0 + ((i + 1) / 2)]); - } - memory_region_transaction_commit(); -} - -/* SMRAM */ -static void mch_update_smram(MCHPCIState *mch) -{ - memory_region_transaction_begin(); - smram_update(&mch->smram_region, mch->d.config[MCH_HOST_BRDIGE_SMRAM], - mch->smm_enabled); - memory_region_transaction_commit(); -} - -static void mch_set_smm(int smm, void *arg) -{ - MCHPCIState *mch = arg; - - memory_region_transaction_begin(); - smram_set_smm(&mch->smm_enabled, smm, mch->d.config[MCH_HOST_BRDIGE_SMRAM], - &mch->smram_region); - memory_region_transaction_commit(); -} - -static void mch_write_config(PCIDevice *d, - uint32_t address, uint32_t val, int len) -{ - MCHPCIState *mch = MCH_PCI_DEVICE(d); - - /* XXX: implement SMRAM.D_LOCK */ - pci_default_write_config(d, address, val, len); - - if (ranges_overlap(address, len, MCH_HOST_BRIDGE_PAM0, - MCH_HOST_BRIDGE_PAM_SIZE)) { - mch_update_pam(mch); - } - - if (ranges_overlap(address, len, MCH_HOST_BRIDGE_PCIEXBAR, - MCH_HOST_BRIDGE_PCIEXBAR_SIZE)) { - mch_update_pciexbar(mch); - } - - if (ranges_overlap(address, len, MCH_HOST_BRDIGE_SMRAM, - MCH_HOST_BRDIGE_SMRAM_SIZE)) { - mch_update_smram(mch); - } -} - -static void mch_update(MCHPCIState *mch) -{ - mch_update_pciexbar(mch); - mch_update_pam(mch); - mch_update_smram(mch); -} - -static int mch_post_load(void *opaque, int version_id) -{ - MCHPCIState *mch = opaque; - mch_update(mch); - return 0; -} - -static const VMStateDescription vmstate_mch = { - .name = "mch", - .version_id = 1, - .minimum_version_id = 1, - .minimum_version_id_old = 1, - .post_load = mch_post_load, - .fields = (VMStateField []) { - VMSTATE_PCI_DEVICE(d, MCHPCIState), - VMSTATE_UINT8(smm_enabled, MCHPCIState), - VMSTATE_END_OF_LIST() - } -}; - -static void mch_reset(DeviceState *qdev) -{ - PCIDevice *d = PCI_DEVICE(qdev); - MCHPCIState *mch = MCH_PCI_DEVICE(d); - - pci_set_quad(d->config + MCH_HOST_BRIDGE_PCIEXBAR, - MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT); - - d->config[MCH_HOST_BRDIGE_SMRAM] = MCH_HOST_BRIDGE_SMRAM_DEFAULT; - - mch_update(mch); -} - -static int mch_init(PCIDevice *d) -{ - int i; - hwaddr pci_hole64_size; - MCHPCIState *mch = MCH_PCI_DEVICE(d); - - /* setup pci memory regions */ - memory_region_init_alias(&mch->pci_hole, "pci-hole", - mch->pci_address_space, - mch->below_4g_mem_size, - 0x100000000ULL - mch->below_4g_mem_size); - memory_region_add_subregion(mch->system_memory, mch->below_4g_mem_size, - &mch->pci_hole); - pci_hole64_size = (sizeof(hwaddr) == 4 ? 0 : - ((uint64_t)1 << 62)); - memory_region_init_alias(&mch->pci_hole_64bit, "pci-hole64", - mch->pci_address_space, - 0x100000000ULL + mch->above_4g_mem_size, - pci_hole64_size); - if (pci_hole64_size) { - memory_region_add_subregion(mch->system_memory, - 0x100000000ULL + mch->above_4g_mem_size, - &mch->pci_hole_64bit); - } - /* smram */ - cpu_smm_register(&mch_set_smm, mch); - memory_region_init_alias(&mch->smram_region, "smram-region", - mch->pci_address_space, 0xa0000, 0x20000); - memory_region_add_subregion_overlap(mch->system_memory, 0xa0000, - &mch->smram_region, 1); - memory_region_set_enabled(&mch->smram_region, false); - init_pam(mch->ram_memory, mch->system_memory, mch->pci_address_space, - &mch->pam_regions[0], PAM_BIOS_BASE, PAM_BIOS_SIZE); - for (i = 0; i < 12; ++i) { - init_pam(mch->ram_memory, mch->system_memory, mch->pci_address_space, - &mch->pam_regions[i+1], PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, - PAM_EXPAN_SIZE); - } - return 0; -} - -static void mch_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->init = mch_init; - k->config_write = mch_write_config; - dc->reset = mch_reset; - dc->desc = "Host bridge"; - dc->vmsd = &vmstate_mch; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_Q35_MCH; - k->revision = MCH_HOST_BRIDGE_REVISION_DEFUALT; - k->class_id = PCI_CLASS_BRIDGE_HOST; -} - -static const TypeInfo mch_info = { - .name = TYPE_MCH_PCI_DEVICE, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(MCHPCIState), - .class_init = mch_class_init, -}; - -static void q35_register(void) -{ - type_register_static(&mch_info); - type_register_static(&q35_host_info); -} - -type_init(q35_register); |