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[Qemu-devel] [PATCH v3 12/26] ich9: Add acpi support and definitions


From: Jason Baron
Subject: [Qemu-devel] [PATCH v3 12/26] ich9: Add acpi support and definitions
Date: Fri, 19 Oct 2012 16:43:33 -0400

From: Jason Baron <address@hidden>

Lay the groundwork for subsequent ich9 support.

Signed-off-by: Isaku Yamahata <address@hidden>
Signed-off-by: Jason Baron <address@hidden>
---
 hw/acpi_ich9.c        |  315 +++++++++++++++++++++++++++++++++++++++++++++++++
 hw/acpi_ich9.h        |   47 ++++++++
 hw/i386/Makefile.objs |    1 +
 hw/ich9.h             |  207 ++++++++++++++++++++++++++++++++
 hw/pci_ids.h          |   12 ++
 5 files changed, 582 insertions(+), 0 deletions(-)
 create mode 100644 hw/acpi_ich9.c
 create mode 100644 hw/acpi_ich9.h
 create mode 100644 hw/ich9.h

diff --git a/hw/acpi_ich9.c b/hw/acpi_ich9.c
new file mode 100644
index 0000000..c45921c
--- /dev/null
+++ b/hw/acpi_ich9.c
@@ -0,0 +1,315 @@
+/*
+ * ACPI implementation
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * 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/>
+ */
+/*
+ *  Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
+ *                     VA Linux Systems Japan K.K.
+ *  Copyright (C) 2012 Jason Baron <address@hidden>
+ *
+ *  This is based on acpi.c.
+ */
+#include "hw.h"
+#include "pc.h"
+#include "pci.h"
+#include "qemu-timer.h"
+#include "sysemu.h"
+#include "acpi.h"
+
+#include "ich9.h"
+
+//#define DEBUG
+
+#ifdef DEBUG
+#define ICH9_DEBUG(fmt, ...) \
+do { printf("%s "fmt, __func__, ## __VA_ARGS__); } while (0)
+#else
+#define ICH9_DEBUG(fmt, ...)    do { } while (0)
+#endif
+
+static void pm_ioport_write_fallback(void *opaque, uint32_t addr, int len,
+                                     uint32_t val);
+static uint32_t pm_ioport_read_fallback(void *opaque, uint32_t addr, int len);
+
+static void pm_update_sci(ICH9LPCPMRegs *pm)
+{
+    int sci_level, pm1a_sts;
+
+    pm1a_sts = acpi_pm1_evt_get_sts(&pm->acpi_regs);
+
+    sci_level = (((pm1a_sts & pm->acpi_regs.pm1.evt.en) &
+                  (ACPI_BITMASK_RT_CLOCK_ENABLE |
+                   ACPI_BITMASK_POWER_BUTTON_ENABLE |
+                   ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
+                   ACPI_BITMASK_TIMER_ENABLE)) != 0);
+    qemu_set_irq(pm->irq, sci_level);
+
+    /* schedule a timer interruption if needed */
+    acpi_pm_tmr_update(&pm->acpi_regs,
+                       (pm->acpi_regs.pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) 
&&
+                       !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
+}
+
+static void ich9_pm_update_sci_fn(ACPIREGS *regs)
+{
+    ICH9LPCPMRegs *pm = container_of(regs, ICH9LPCPMRegs, acpi_regs);
+    pm_update_sci(pm);
+}
+
+static void pm_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
+{
+    ICH9LPCPMRegs *pm = opaque;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_GPE0_STS ... (ICH9_PMIO_GPE0_STS + ICH9_PMIO_GPE0_LEN - 1):
+        acpi_gpe_ioport_writeb(&pm->acpi_regs, addr, val);
+        break;
+    default:
+        break;
+    }
+
+    ICH9_DEBUG("port=0x%04x val=0x%04x\n", addr, val);
+}
+
+static uint32_t pm_ioport_readb(void *opaque, uint32_t addr)
+{
+    ICH9LPCPMRegs *pm = opaque;
+    uint32_t val = 0;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_GPE0_STS ... (ICH9_PMIO_GPE0_STS + ICH9_PMIO_GPE0_LEN - 1):
+        val = acpi_gpe_ioport_readb(&pm->acpi_regs, addr);
+        break;
+    default:
+        val = 0;
+        break;
+    }
+    ICH9_DEBUG("port=0x%04x val=0x%04x\n", addr, val);
+    return val;
+}
+
+static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
+{
+    ICH9LPCPMRegs *pm = opaque;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_PM1_STS:
+        acpi_pm1_evt_write_sts(&pm->acpi_regs, val);
+        pm_update_sci(pm);
+        break;
+    case ICH9_PMIO_PM1_EN:
+        pm->acpi_regs.pm1.evt.en = val;
+        pm_update_sci(pm);
+        break;
+    case ICH9_PMIO_PM1_CNT:
+        acpi_pm1_cnt_write(&pm->acpi_regs, val, 0);
+        break;
+    default:
+        pm_ioport_write_fallback(opaque, addr, 2, val);
+        break;
+    }
+    ICH9_DEBUG("port=0x%04x val=0x%04x\n", addr, val);
+}
+
+static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
+{
+    ICH9LPCPMRegs *pm = opaque;
+    uint32_t val;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_PM1_STS:
+        val = acpi_pm1_evt_get_sts(&pm->acpi_regs);
+        break;
+    case ICH9_PMIO_PM1_EN:
+        val = pm->acpi_regs.pm1.evt.en;
+        break;
+    case ICH9_PMIO_PM1_CNT:
+        val = pm->acpi_regs.pm1.cnt.cnt;
+        break;
+    default:
+        val = pm_ioport_read_fallback(opaque, addr, 2);
+        break;
+    }
+    ICH9_DEBUG("port=0x%04x val=0x%04x\n", addr, val);
+    return val;
+}
+
+static void pm_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
+{
+    ICH9LPCPMRegs *pm = opaque;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_SMI_EN:
+        pm->smi_en = val;
+        break;
+    default:
+        pm_ioport_write_fallback(opaque, addr, 4, val);
+        break;
+    }
+    ICH9_DEBUG("port=0x%04x val=0x%08x\n", addr, val);
+}
+
+static uint32_t pm_ioport_readl(void *opaque, uint32_t addr)
+{
+    ICH9LPCPMRegs *pm = opaque;
+    uint32_t val;
+
+    switch (addr & ICH9_PMIO_MASK) {
+    case ICH9_PMIO_PM1_TMR:
+        val = acpi_pm_tmr_get(&pm->acpi_regs);
+        break;
+    case ICH9_PMIO_SMI_EN:
+        val = pm->smi_en;
+        break;
+
+    default:
+        val = pm_ioport_read_fallback(opaque, addr, 4);
+        break;
+    }
+    ICH9_DEBUG("port=0x%04x val=0x%08x\n", addr, val);
+    return val;
+}
+
+static void pm_ioport_write_fallback(void *opaque, uint32_t addr, int len,
+                                     uint32_t val)
+ {
+    int subsize = (len == 4) ? 2 : 1;
+    IOPortWriteFunc *ioport_write =
+        (subsize == 2) ? pm_ioport_writew : pm_ioport_writeb;
+
+    int i;
+
+    for (i = 0; i < len; i += subsize) {
+        ioport_write(opaque, addr, val);
+        val >>= 8 * subsize;
+    }
+}
+
+static uint32_t pm_ioport_read_fallback(void *opaque, uint32_t addr, int len)
+{
+    int subsize = (len == 4) ? 2 : 1;
+    IOPortReadFunc *ioport_read =
+        (subsize == 2) ? pm_ioport_readw : pm_ioport_readb;
+
+    uint32_t val;
+    int i;
+
+    val = 0;
+    for (i = 0; i < len; i += subsize) {
+        val <<= 8 * subsize;
+        val |= ioport_read(opaque, addr);
+    }
+
+    return val;
+}
+
+void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base)
+{
+    ICH9_DEBUG("to 0x%x\n", pm_io_base);
+
+    assert((pm_io_base & ICH9_PMIO_MASK) == 0);
+
+    if (pm->pm_io_base != 0) {
+        isa_unassign_ioport(pm->pm_io_base, ICH9_PMIO_SIZE);
+    }
+
+    /* don't map at 0 */
+    if (pm_io_base == 0) {
+        return;
+    }
+
+    register_ioport_write(pm_io_base, ICH9_PMIO_SIZE, 1, pm_ioport_writeb, pm);
+    register_ioport_read(pm_io_base, ICH9_PMIO_SIZE, 1, pm_ioport_readb, pm);
+    register_ioport_write(pm_io_base, ICH9_PMIO_SIZE, 2, pm_ioport_writew, pm);
+    register_ioport_read(pm_io_base, ICH9_PMIO_SIZE, 2, pm_ioport_readw, pm);
+    register_ioport_write(pm_io_base, ICH9_PMIO_SIZE, 4, pm_ioport_writel, pm);
+    register_ioport_read(pm_io_base, ICH9_PMIO_SIZE, 4, pm_ioport_readl, pm);
+
+    pm->pm_io_base = pm_io_base;
+    acpi_gpe_blk(&pm->acpi_regs, pm_io_base + ICH9_PMIO_GPE0_STS);
+}
+
+static int ich9_pm_post_load(void *opaque, int version_id)
+{
+    ICH9LPCPMRegs *pm = opaque;
+    uint32_t pm_io_base = pm->pm_io_base;
+    pm->pm_io_base = 0;
+    ich9_pm_iospace_update(pm, pm_io_base);
+    return 0;
+}
+
+#define VMSTATE_GPE_ARRAY(_field, _state)                            \
+ {                                                                   \
+     .name       = (stringify(_field)),                              \
+     .version_id = 0,                                                \
+     .num        = ICH9_PMIO_GPE0_LEN,                               \
+     .info       = &vmstate_info_uint8,                              \
+     .size       = sizeof(uint8_t),                                  \
+     .flags      = VMS_ARRAY | VMS_POINTER,                          \
+     .offset     = vmstate_offset_pointer(_state, _field, uint8_t),  \
+ }
+
+const VMStateDescription vmstate_ich9_pm = {
+    .name = "ich9_pm",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .post_load = ich9_pm_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT16(acpi_regs.pm1.evt.sts, ICH9LPCPMRegs),
+        VMSTATE_UINT16(acpi_regs.pm1.evt.en, ICH9LPCPMRegs),
+        VMSTATE_UINT16(acpi_regs.pm1.cnt.cnt, ICH9LPCPMRegs),
+        VMSTATE_TIMER(acpi_regs.tmr.timer, ICH9LPCPMRegs),
+        VMSTATE_INT64(acpi_regs.tmr.overflow_time, ICH9LPCPMRegs),
+        VMSTATE_GPE_ARRAY(acpi_regs.gpe.sts, ICH9LPCPMRegs),
+        VMSTATE_GPE_ARRAY(acpi_regs.gpe.en, ICH9LPCPMRegs),
+        VMSTATE_UINT32(smi_en, ICH9LPCPMRegs),
+        VMSTATE_UINT32(smi_sts, ICH9LPCPMRegs),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void pm_reset(void *opaque)
+{
+    ICH9LPCPMRegs *pm = opaque;
+    ich9_pm_iospace_update(pm, 0);
+
+    acpi_pm1_evt_reset(&pm->acpi_regs);
+    acpi_pm1_cnt_reset(&pm->acpi_regs);
+    acpi_pm_tmr_reset(&pm->acpi_regs);
+    acpi_gpe_reset(&pm->acpi_regs);
+
+    pm_update_sci(pm);
+}
+
+static void pm_powerdown_req(Notifier *n, void *opaque)
+{
+    ICH9LPCPMRegs *pm = container_of(n, ICH9LPCPMRegs, powerdown_notifier);
+
+    acpi_pm1_evt_power_down(&pm->acpi_regs);
+}
+
+void ich9_pm_init(ICH9LPCPMRegs *pm, qemu_irq sci_irq, qemu_irq cmos_s3)
+{
+    acpi_pm_tmr_init(&pm->acpi_regs, ich9_pm_update_sci_fn);
+    acpi_pm1_cnt_init(&pm->acpi_regs);
+    acpi_gpe_init(&pm->acpi_regs, ICH9_PMIO_GPE0_LEN);
+
+    pm->irq = sci_irq;
+    qemu_register_reset(pm_reset, pm);
+    pm->powerdown_notifier.notify = pm_powerdown_req;
+    qemu_register_powerdown_notifier(&pm->powerdown_notifier);
+}
diff --git a/hw/acpi_ich9.h b/hw/acpi_ich9.h
new file mode 100644
index 0000000..180c406
--- /dev/null
+++ b/hw/acpi_ich9.h
@@ -0,0 +1,47 @@
+/*
+ * QEMU GMCH/ICH9 LPC PM Emulation
+ *
+ *  Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
+ *                     VA Linux Systems Japan K.K.
+ *
+ * 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/>
+ */
+
+#ifndef HW_ACPI_ICH9_H
+#define HW_ACPI_ICH9_H
+
+#include "acpi.h"
+
+typedef struct ICH9LPCPMRegs {
+    /*
+     * In ich9 spec says that pm1_cnt register is 32bit width and
+     * that the upper 16bits are reserved and unused.
+     * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t.
+     */
+    ACPIREGS acpi_regs;
+    uint32_t smi_en;
+    uint32_t smi_sts;
+
+    qemu_irq irq;      /* SCI */
+
+    uint32_t pm_io_base;
+    Notifier powerdown_notifier;
+} ICH9LPCPMRegs;
+
+void ich9_pm_init(ICH9LPCPMRegs *pm,
+                  qemu_irq sci_irq, qemu_irq cmos_s3_resume);
+void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
+extern const VMStateDescription vmstate_ich9_pm;
+
+#endif /* HW_ACPI_ICH9_H */
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index 2f0c172..ba3744d 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -7,6 +7,7 @@ obj-y += debugcon.o multiboot.o
 obj-y += pc_piix.o
 obj-y += pc_sysfw.o
 obj-y += pam.o
+obj-y += acpi_ich9.o
 obj-$(CONFIG_XEN) += xen_platform.o xen_apic.o
 obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen-host-pci-device.o
 obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen_pt.o xen_pt_config_init.o xen_pt_msi.o
diff --git a/hw/ich9.h b/hw/ich9.h
new file mode 100644
index 0000000..de49135
--- /dev/null
+++ b/hw/ich9.h
@@ -0,0 +1,207 @@
+#ifndef HW_ICH9_H
+#define HW_ICH9_H
+
+#include "hw.h"
+#include "range.h"
+#include "isa.h"
+#include "sysbus.h"
+#include "pc.h"
+#include "apm.h"
+#include "ioapic.h"
+#include "pci.h"
+#include "pcie_host.h"
+#include "pci_bridge.h"
+#include "acpi.h"
+#include "acpi_ich9.h"
+#include "pam.h"
+#include "pci_internals.h"
+
+void ich9_lpc_set_irq(void *opaque, int irq_num, int level);
+int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx);
+void ich9_lpc_pm_init(PCIDevice *pci_lpc, qemu_irq cmos_s3);
+PCIBus *ich9_d2pbr_init(PCIBus *bus, int devfn, int sec_bus);
+i2c_bus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
+
+#define ICH9_CC_SIZE                            (16 * 1024)     /* 16KB */
+
+#define TYPE_ICH9_LPC_DEVICE "ICH9 LPC"
+#define ICH9_LPC_DEVICE(obj) \
+     OBJECT_CHECK(ICH9LPCState, (obj), TYPE_ICH9_LPC_DEVICE)
+
+typedef struct ICH9LPCState {
+    /* ICH9 LPC PCI to ISA bridge */
+    PCIDevice d;
+
+    /* (pci device, intx) -> pirq
+     * In real chipset case, the unused slots are never used
+     * as ICH9 supports only D25-D32 irq routing.
+     * On the other hand in qemu case, any slot/function can be populated
+     * via command line option.
+     * So fallback interrupt routing for any devices in any slots is necessary.
+    */
+    uint8_t irr[PCI_SLOT_MAX][PCI_NUM_PINS];
+
+    APMState apm;
+    ICH9LPCPMRegs pm;
+    uint32_t sci_level; /* track sci level */
+
+    /* 10.1 Chipset Configuration registers(Memory Space)
+     which is pointed by RCBA */
+    uint8_t chip_config[ICH9_CC_SIZE];
+    /* isa bus */
+    ISABus *isa_bus;
+    MemoryRegion rbca_mem;
+
+    qemu_irq *pic;
+    qemu_irq *ioapic;
+} ICH9LPCState;
+
+#define Q35_MASK(bit, ms_bit, ls_bit) \
+((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
+
+/* ICH9: Chipset Configuration Registers */
+#define ICH9_CC_ADDR_MASK                       (ICH9_CC_SIZE - 1)
+
+#define ICH9_CC
+#define ICH9_CC_D28IP                           0x310C
+#define ICH9_CC_D28IP_SHIFT                     4
+#define ICH9_CC_D28IP_MASK                      0xf
+#define ICH9_CC_D28IP_DEFAULT                   0x00214321
+#define ICH9_CC_D31IR                           0x3140
+#define ICH9_CC_D30IR                           0x3142
+#define ICH9_CC_D29IR                           0x3144
+#define ICH9_CC_D28IR                           0x3146
+#define ICH9_CC_D27IR                           0x3148
+#define ICH9_CC_D26IR                           0x314C
+#define ICH9_CC_D25IR                           0x3150
+#define ICH9_CC_DIR_DEFAULT                     0x3210
+#define ICH9_CC_D30IR_DEFAULT                   0x0
+#define ICH9_CC_DIR_SHIFT                       4
+#define ICH9_CC_DIR_MASK                        0x7
+#define ICH9_CC_OIC                             0x31FF
+#define ICH9_CC_OIC_AEN                         0x1
+
+/* D28:F[0-5] */
+#define ICH9_PCIE_DEV                           28
+#define ICH9_PCIE_FUNC_MAX                      6
+
+
+/* D29:F0 USB UHCI Controller #1 */
+#define ICH9_USB_UHCI1_DEV                      29
+#define ICH9_USB_UHCI1_FUNC                     0
+
+/* D30:F0 DMI-to-PCI brdige */
+#define ICH9_D2P_BRIDGE                         "ICH9 D2P BRIDGE"
+#define ICH9_D2P_BRIDGE_SAVEVM_VERSION          0
+
+#define ICH9_D2P_BRIDGE_DEV                     30
+#define ICH9_D2P_BRIDGE_FUNC                    0
+
+#define ICH9_D2P_SECONDARY_DEFAULT              (256 - 8)
+
+#define ICH9_D2P_A2_REVISION                    0x92
+
+
+/* D31:F1 LPC controller */
+#define ICH9_A2_LPC                             "ICH9 A2 LPC"
+#define ICH9_A2_LPC_SAVEVM_VERSION              0
+
+#define ICH9_LPC_DEV                            31
+#define ICH9_LPC_FUNC                           0
+
+#define ICH9_A2_LPC_REVISION                    0x2
+#define ICH9_LPC_NB_PIRQS                       8       /* PCI A-H */
+
+#define ICH9_LPC_PMBASE                         0x40
+#define ICH9_LPC_PMBASE_BASE_ADDRESS_MASK       Q35_MASK(32, 15, 7)
+#define ICH9_LPC_PMBASE_RTE                     0x1
+#define ICH9_LPC_PMBASE_DEFAULT                 0x1
+#define ICH9_LPC_ACPI_CTRL                      0x44
+#define ICH9_LPC_ACPI_CTRL_ACPI_EN              0x80
+#define ICH9_LPC_ACPI_CTRL_SCI_IRQ_SEL_MASK     Q35_MASK(8, 2, 0)
+#define ICH9_LPC_ACPI_CTRL_9                    0x0
+#define ICH9_LPC_ACPI_CTRL_10                   0x1
+#define ICH9_LPC_ACPI_CTRL_11                   0x2
+#define ICH9_LPC_ACPI_CTRL_20                   0x4
+#define ICH9_LPC_ACPI_CTRL_21                   0x5
+#define ICH9_LPC_ACPI_CTRL_DEFAULT              0x0
+
+#define ICH9_LPC_PIRQA_ROUT                     0x60
+#define ICH9_LPC_PIRQB_ROUT                     0x61
+#define ICH9_LPC_PIRQC_ROUT                     0x62
+#define ICH9_LPC_PIRQD_ROUT                     0x63
+
+#define ICH9_LPC_PIRQE_ROUT                     0x68
+#define ICH9_LPC_PIRQF_ROUT                     0x69
+#define ICH9_LPC_PIRQG_ROUT                     0x6a
+#define ICH9_LPC_PIRQH_ROUT                     0x6b
+
+#define ICH9_LPC_PIRQ_ROUT_IRQEN                0x80
+#define ICH9_LPC_PIRQ_ROUT_MASK                 Q35_MASK(8, 3, 0)
+#define ICH9_LPC_PIRQ_ROUT_DEFAULT              0x80
+
+#define ICH9_LPC_RCBA                           0xf0
+#define ICH9_LPC_RCBA_BA_MASK                   Q35_MASK(32, 31, 14)
+#define ICH9_LPC_RCBA_EN                        0x1
+#define ICH9_LPC_RCBA_DEFAULT                   0x0
+
+#define ICH9_LPC_PIC_NUM_PINS                   16
+#define ICH9_LPC_IOAPIC_NUM_PINS                24
+
+/* D31:F2 SATA Controller #1 */
+#define ICH9_SATA1_DEV                          31
+#define ICH9_SATA1_FUNC                         2
+
+/* D30:F1 power management I/O registers
+   offset from the address ICH9_LPC_PMBASE */
+
+/* ICH9 LPC PM I/O registers are 128 ports and 128-aligned */
+#define ICH9_PMIO_SIZE                          128
+#define ICH9_PMIO_MASK                          (ICH9_PMIO_SIZE - 1)
+
+#define ICH9_PMIO_PM1_STS                       0x00
+#define ICH9_PMIO_PM1_EN                        0x02
+#define ICH9_PMIO_PM1_CNT                       0x04
+#define ICH9_PMIO_PM1_TMR                       0x08
+#define ICH9_PMIO_GPE0_STS                      0x20
+#define ICH9_PMIO_GPE0_EN                       0x28
+#define ICH9_PMIO_GPE0_LEN                      16
+#define ICH9_PMIO_SMI_EN                        0x30
+#define ICH9_PMIO_SMI_EN_APMC_EN                (1 << 5)
+#define ICH9_PMIO_SMI_STS                       0x34
+
+/* FADT ACPI_ENABLE/ACPI_DISABLE */
+#define ICH9_APM_ACPI_ENABLE                    0x2
+#define ICH9_APM_ACPI_DISABLE                   0x3
+
+
+/* D31:F3 SMBus controller */
+#define ICH9_A2_SMB_REVISION                    0x02
+#define ICH9_SMB_PI                             0x00
+
+#define ICH9_SMB_SMBMBAR0                       0x10
+#define ICH9_SMB_SMBMBAR1                       0x14
+#define ICH9_SMB_SMBM_BAR                       0
+#define ICH9_SMB_SMBM_SIZE                      (1 << 8)
+#define ICH9_SMB_SMB_BASE                       0x20
+#define ICH9_SMB_SMB_BASE_BAR                   4
+#define ICH9_SMB_SMB_BASE_SIZE                  (1 << 5)
+#define ICH9_SMB_HOSTC                          0x40
+#define ICH9_SMB_HOSTC_SSRESET                  ((uint8_t)(1 << 3))
+#define ICH9_SMB_HOSTC_I2C_EN                   ((uint8_t)(1 << 2))
+#define ICH9_SMB_HOSTC_SMB_SMI_EN               ((uint8_t)(1 << 1))
+#define ICH9_SMB_HOSTC_HST_EN                   ((uint8_t)(1 << 0))
+
+/* D31:F3 SMBus I/O and memory mapped I/O registers */
+#define ICH9_SMB_DEV                            31
+#define ICH9_SMB_FUNC                           3
+
+#define ICH9_SMB_HST_STS                        0x00
+#define ICH9_SMB_HST_CNT                        0x02
+#define ICH9_SMB_HST_CMD                        0x03
+#define ICH9_SMB_XMIT_SLVA                      0x04
+#define ICH9_SMB_HST_D0                         0x05
+#define ICH9_SMB_HST_D1                         0x06
+#define ICH9_SMB_HOST_BLOCK_DB                  0x07
+
+#endif /* HW_ICH9_H */
diff --git a/hw/pci_ids.h b/hw/pci_ids.h
index 26c1d5f..91da67f 100644
--- a/hw/pci_ids.h
+++ b/hw/pci_ids.h
@@ -36,6 +36,7 @@
 #define PCI_CLASS_BRIDGE_HOST            0x0600
 #define PCI_CLASS_BRIDGE_ISA             0x0601
 #define PCI_CLASS_BRIDGE_PCI             0x0604
+#define  PCI_CLASS_BRDIGE_PCI_INF_SUB    0x01
 #define PCI_CLASS_BRIDGE_OTHER           0x0680
 
 #define PCI_CLASS_COMMUNICATION_OTHER    0x0780
@@ -115,6 +116,17 @@
 #define PCI_DEVICE_ID_INTEL_82371AB      0x7111
 #define PCI_DEVICE_ID_INTEL_82371AB_2    0x7112
 #define PCI_DEVICE_ID_INTEL_82371AB_3    0x7113
+
+#define PCI_DEVICE_ID_INTEL_ICH9_0       0x2910
+#define PCI_DEVICE_ID_INTEL_ICH9_1       0x2917
+#define PCI_DEVICE_ID_INTEL_ICH9_2       0x2912
+#define PCI_DEVICE_ID_INTEL_ICH9_3       0x2913
+#define PCI_DEVICE_ID_INTEL_ICH9_4       0x2914
+#define PCI_DEVICE_ID_INTEL_ICH9_5       0x2919
+#define PCI_DEVICE_ID_INTEL_ICH9_6       0x2930
+#define PCI_DEVICE_ID_INTEL_ICH9_7       0x2916
+#define PCI_DEVICE_ID_INTEL_ICH9_8       0x2918
+
 #define PCI_DEVICE_ID_INTEL_82801I_UHCI1 0x2934
 #define PCI_DEVICE_ID_INTEL_82801I_UHCI2 0x2935
 #define PCI_DEVICE_ID_INTEL_82801I_UHCI3 0x2936
-- 
1.7.1




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