hw: move ISA bridges and devices to hw/isa/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 487 insertions, 0 deletions

diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
new file mode 100644
index 0000000000..52619276bd
--- /dev/null
+++ b/hw/isa/vt82c686.c
@@ -0,0 +1,487 @@
+/*
+ * VT82C686B south bridge support
+ *
+ * Copyright (c) 2008 yajin (yajin@vm-kernel.org)
+ * Copyright (c) 2009 chenming (chenming@rdc.faw.com.cn)
+ * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com)
+ * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "hw/hw.h"
+#include "hw/i386/pc.h"
+#include "hw/isa/vt82c686.h"
+#include "hw/i2c/i2c.h"
+#include "hw/i2c/smbus.h"
+#include "hw/pci/pci.h"
+#include "hw/isa/isa.h"
+#include "hw/sysbus.h"
+#include "hw/mips/mips.h"
+#include "hw/isa/apm.h"
+#include "hw/acpi/acpi.h"
+#include "hw/i2c/pm_smbus.h"
+#include "sysemu/sysemu.h"
+#include "qemu/timer.h"
+#include "exec/address-spaces.h"
+
+//#define DEBUG_VT82C686B
+
+#ifdef DEBUG_VT82C686B
+#define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__)
+#else
+#define DPRINTF(fmt, ...)
+#endif
+
+typedef struct SuperIOConfig
+{
+    uint8_t config[0xff];
+    uint8_t index;
+    uint8_t data;
+} SuperIOConfig;
+
+typedef struct VT82C686BState {
+    PCIDevice dev;
+    SuperIOConfig superio_conf;
+} VT82C686BState;
+
+static void superio_ioport_writeb(void *opaque, uint32_t addr, uint32_t data)
+{
+    int can_write;
+    SuperIOConfig *superio_conf = opaque;
+
+    DPRINTF("superio_ioport_writeb  address 0x%x  val 0x%x\n", addr, data);
+    if (addr == 0x3f0) {
+        superio_conf->index = data & 0xff;
+    } else {
+        /* 0x3f1 */
+        switch (superio_conf->index) {
+        case 0x00 ... 0xdf:
+        case 0xe4:
+        case 0xe5:
+        case 0xe9 ... 0xed:
+        case 0xf3:
+        case 0xf5:
+        case 0xf7:
+        case 0xf9 ... 0xfb:
+        case 0xfd ... 0xff:
+            can_write = 0;
+            break;
+        default:
+            can_write = 1;
+
+            if (can_write) {
+                switch (superio_conf->index) {
+                case 0xe7:
+                    if ((data & 0xff) != 0xfe) {
+                        DPRINTF("chage uart 1 base. unsupported yet\n");
+                    }
+                    break;
+                case 0xe8:
+                    if ((data & 0xff) != 0xbe) {
+                        DPRINTF("chage uart 2 base. unsupported yet\n");
+                    }
+                    break;
+
+                default:
+                    superio_conf->config[superio_conf->index] = data & 0xff;
+                }
+            }
+        }
+        superio_conf->config[superio_conf->index] = data & 0xff;
+    }
+}
+
+static uint32_t superio_ioport_readb(void *opaque, uint32_t addr)
+{
+    SuperIOConfig *superio_conf = opaque;
+
+    DPRINTF("superio_ioport_readb  address 0x%x\n", addr);
+    return (superio_conf->config[superio_conf->index]);
+}
+
+static void vt82c686b_reset(void * opaque)
+{
+    PCIDevice *d = opaque;
+    uint8_t *pci_conf = d->config;
+    VT82C686BState *vt82c = DO_UPCAST(VT82C686BState, dev, d);
+
+    pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
+    pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
+                 PCI_COMMAND_MASTER | PCI_COMMAND_SPECIAL);
+    pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM);
+
+    pci_conf[0x48] = 0x01; /* Miscellaneous Control 3 */
+    pci_conf[0x4a] = 0x04; /* IDE interrupt Routing */
+    pci_conf[0x4f] = 0x03; /* DMA/Master Mem Access Control 3 */
+    pci_conf[0x50] = 0x2d; /* PnP DMA Request Control */
+    pci_conf[0x59] = 0x04;
+    pci_conf[0x5a] = 0x04; /* KBC/RTC Control*/
+    pci_conf[0x5f] = 0x04;
+    pci_conf[0x77] = 0x10; /* GPIO Control 1/2/3/4 */
+
+    vt82c->superio_conf.config[0xe0] = 0x3c;
+    vt82c->superio_conf.config[0xe2] = 0x03;
+    vt82c->superio_conf.config[0xe3] = 0xfc;
+    vt82c->superio_conf.config[0xe6] = 0xde;
+    vt82c->superio_conf.config[0xe7] = 0xfe;
+    vt82c->superio_conf.config[0xe8] = 0xbe;
+}
+
+/* write config pci function0 registers. PCI-ISA bridge */
+static void vt82c686b_write_config(PCIDevice * d, uint32_t address,
+                                   uint32_t val, int len)
+{
+    VT82C686BState *vt686 = DO_UPCAST(VT82C686BState, dev, d);
+
+    DPRINTF("vt82c686b_write_config  address 0x%x  val 0x%x len 0x%x\n",
+           address, val, len);
+
+    pci_default_write_config(d, address, val, len);
+    if (address == 0x85) {  /* enable or disable super IO configure */
+        if (val & 0x2) {
+            /* floppy also uses 0x3f0 and 0x3f1.
+             * But we do not emulate flopy,so just set it here. */
+            isa_unassign_ioport(0x3f0, 2);
+            register_ioport_read(0x3f0, 2, 1, superio_ioport_readb,
+                                 &vt686->superio_conf);
+            register_ioport_write(0x3f0, 2, 1, superio_ioport_writeb,
+                                  &vt686->superio_conf);
+        } else {
+            isa_unassign_ioport(0x3f0, 2);
+        }
+    }
+}
+
+#define ACPI_DBG_IO_ADDR  0xb044
+
+typedef struct VT686PMState {
+    PCIDevice dev;
+    MemoryRegion io;
+    ACPIREGS ar;
+    APMState apm;
+    PMSMBus smb;
+    uint32_t smb_io_base;
+} VT686PMState;
+
+typedef struct VT686AC97State {
+    PCIDevice dev;
+} VT686AC97State;
+
+typedef struct VT686MC97State {
+    PCIDevice dev;
+} VT686MC97State;
+
+static void pm_update_sci(VT686PMState *s)
+{
+    int sci_level, pmsts;
+
+    pmsts = acpi_pm1_evt_get_sts(&s->ar);
+    sci_level = (((pmsts & s->ar.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(s->dev.irq[0], sci_level);
+    /* schedule a timer interruption if needed */
+    acpi_pm_tmr_update(&s->ar, (s->ar.pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
+                       !(pmsts & ACPI_BITMASK_TIMER_STATUS));
+}
+
+static void pm_tmr_timer(ACPIREGS *ar)
+{
+    VT686PMState *s = container_of(ar, VT686PMState, ar);
+    pm_update_sci(s);
+}
+
+static void pm_io_space_update(VT686PMState *s)
+{
+    uint32_t pm_io_base;
+
+    pm_io_base = pci_get_long(s->dev.config + 0x40);
+    pm_io_base &= 0xffc0;
+
+    memory_region_transaction_begin();
+    memory_region_set_enabled(&s->io, s->dev.config[0x80] & 1);
+    memory_region_set_address(&s->io, pm_io_base);
+    memory_region_transaction_commit();
+}
+
+static void pm_write_config(PCIDevice *d,
+                            uint32_t address, uint32_t val, int len)
+{
+    DPRINTF("pm_write_config  address 0x%x  val 0x%x len 0x%x\n",
+           address, val, len);
+    pci_default_write_config(d, address, val, len);
+}
+
+static int vmstate_acpi_post_load(void *opaque, int version_id)
+{
+    VT686PMState *s = opaque;
+
+    pm_io_space_update(s);
+    return 0;
+}
+
+static const VMStateDescription vmstate_acpi = {
+    .name = "vt82c686b_pm",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .post_load = vmstate_acpi_post_load,
+    .fields      = (VMStateField []) {
+        VMSTATE_PCI_DEVICE(dev, VT686PMState),
+        VMSTATE_UINT16(ar.pm1.evt.sts, VT686PMState),
+        VMSTATE_UINT16(ar.pm1.evt.en, VT686PMState),
+        VMSTATE_UINT16(ar.pm1.cnt.cnt, VT686PMState),
+        VMSTATE_STRUCT(apm, VT686PMState, 0, vmstate_apm, APMState),
+        VMSTATE_TIMER(ar.tmr.timer, VT686PMState),
+        VMSTATE_INT64(ar.tmr.overflow_time, VT686PMState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+/*
+ * TODO: vt82c686b_ac97_init() and vt82c686b_mc97_init()
+ * just register a PCI device now, functionalities will be implemented later.
+ */
+
+static int vt82c686b_ac97_initfn(PCIDevice *dev)
+{
+    VT686AC97State *s = DO_UPCAST(VT686AC97State, dev, dev);
+    uint8_t *pci_conf = s->dev.config;
+
+    pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_INVALIDATE |
+                 PCI_COMMAND_PARITY);
+    pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_CAP_LIST |
+                 PCI_STATUS_DEVSEL_MEDIUM);
+    pci_set_long(pci_conf + PCI_INTERRUPT_PIN, 0x03);
+
+    return 0;
+}
+
+void vt82c686b_ac97_init(PCIBus *bus, int devfn)
+{
+    PCIDevice *dev;
+
+    dev = pci_create(bus, devfn, "VT82C686B_AC97");
+    qdev_init_nofail(&dev->qdev);
+}
+
+static void via_ac97_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = vt82c686b_ac97_initfn;
+    k->vendor_id = PCI_VENDOR_ID_VIA;
+    k->device_id = PCI_DEVICE_ID_VIA_AC97;
+    k->revision = 0x50;
+    k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
+    dc->desc = "AC97";
+}
+
+static const TypeInfo via_ac97_info = {
+    .name          = "VT82C686B_AC97",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(VT686AC97State),
+    .class_init    = via_ac97_class_init,
+};
+
+static int vt82c686b_mc97_initfn(PCIDevice *dev)
+{
+    VT686MC97State *s = DO_UPCAST(VT686MC97State, dev, dev);
+    uint8_t *pci_conf = s->dev.config;
+
+    pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_INVALIDATE |
+                 PCI_COMMAND_VGA_PALETTE);
+    pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM);
+    pci_set_long(pci_conf + PCI_INTERRUPT_PIN, 0x03);
+
+    return 0;
+}
+
+void vt82c686b_mc97_init(PCIBus *bus, int devfn)
+{
+    PCIDevice *dev;
+
+    dev = pci_create(bus, devfn, "VT82C686B_MC97");
+    qdev_init_nofail(&dev->qdev);
+}
+
+static void via_mc97_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = vt82c686b_mc97_initfn;
+    k->vendor_id = PCI_VENDOR_ID_VIA;
+    k->device_id = PCI_DEVICE_ID_VIA_MC97;
+    k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
+    k->revision = 0x30;
+    dc->desc = "MC97";
+}
+
+static const TypeInfo via_mc97_info = {
+    .name          = "VT82C686B_MC97",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(VT686MC97State),
+    .class_init    = via_mc97_class_init,
+};
+
+/* vt82c686 pm init */
+static int vt82c686b_pm_initfn(PCIDevice *dev)
+{
+    VT686PMState *s = DO_UPCAST(VT686PMState, dev, dev);
+    uint8_t *pci_conf;
+
+    pci_conf = s->dev.config;
+    pci_set_word(pci_conf + PCI_COMMAND, 0);
+    pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_FAST_BACK |
+                 PCI_STATUS_DEVSEL_MEDIUM);
+
+    /* 0x48-0x4B is Power Management I/O Base */
+    pci_set_long(pci_conf + 0x48, 0x00000001);
+
+    /* SMB ports:0xeee0~0xeeef */
+    s->smb_io_base =((s->smb_io_base & 0xfff0) + 0x0);
+    pci_conf[0x90] = s->smb_io_base | 1;
+    pci_conf[0x91] = s->smb_io_base >> 8;
+    pci_conf[0xd2] = 0x90;
+    pm_smbus_init(&s->dev.qdev, &s->smb);
+    memory_region_add_subregion(get_system_io(), s->smb_io_base, &s->smb.io);
+
+    apm_init(dev, &s->apm, NULL, s);
+
+    memory_region_init(&s->io, "vt82c686-pm", 64);
+    memory_region_set_enabled(&s->io, false);
+    memory_region_add_subregion(get_system_io(), 0, &s->io);
+
+    acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
+    acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io);
+    acpi_pm1_cnt_init(&s->ar, &s->io, 2);
+
+    return 0;
+}
+
+i2c_bus *vt82c686b_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
+                       qemu_irq sci_irq)
+{
+    PCIDevice *dev;
+    VT686PMState *s;
+
+    dev = pci_create(bus, devfn, "VT82C686B_PM");
+    qdev_prop_set_uint32(&dev->qdev, "smb_io_base", smb_io_base);
+
+    s = DO_UPCAST(VT686PMState, dev, dev);
+
+    qdev_init_nofail(&dev->qdev);
+
+    return s->smb.smbus;
+}
+
+static Property via_pm_properties[] = {
+    DEFINE_PROP_UINT32("smb_io_base", VT686PMState, smb_io_base, 0),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void via_pm_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = vt82c686b_pm_initfn;
+    k->config_write = pm_write_config;
+    k->vendor_id = PCI_VENDOR_ID_VIA;
+    k->device_id = PCI_DEVICE_ID_VIA_ACPI;
+    k->class_id = PCI_CLASS_BRIDGE_OTHER;
+    k->revision = 0x40;
+    dc->desc = "PM";
+    dc->vmsd = &vmstate_acpi;
+    dc->props = via_pm_properties;
+}
+
+static const TypeInfo via_pm_info = {
+    .name          = "VT82C686B_PM",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(VT686PMState),
+    .class_init    = via_pm_class_init,
+};
+
+static const VMStateDescription vmstate_via = {
+    .name = "vt82c686b",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_PCI_DEVICE(dev, VT82C686BState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+/* init the PCI-to-ISA bridge */
+static int vt82c686b_initfn(PCIDevice *d)
+{
+    uint8_t *pci_conf;
+    uint8_t *wmask;
+    int i;
+
+    isa_bus_new(&d->qdev, pci_address_space_io(d));
+
+    pci_conf = d->config;
+    pci_config_set_prog_interface(pci_conf, 0x0);
+
+    wmask = d->wmask;
+    for (i = 0x00; i < 0xff; i++) {
+       if (i<=0x03 || (i>=0x08 && i<=0x3f)) {
+           wmask[i] = 0x00;
+       }
+    }
+
+    qemu_register_reset(vt82c686b_reset, d);
+
+    return 0;
+}
+
+ISABus *vt82c686b_init(PCIBus *bus, int devfn)
+{
+    PCIDevice *d;
+
+    d = pci_create_simple_multifunction(bus, devfn, true, "VT82C686B");
+
+    return DO_UPCAST(ISABus, qbus, qdev_get_child_bus(&d->qdev, "isa.0"));
+}
+
+static void via_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = vt82c686b_initfn;
+    k->config_write = vt82c686b_write_config;
+    k->vendor_id = PCI_VENDOR_ID_VIA;
+    k->device_id = PCI_DEVICE_ID_VIA_ISA_BRIDGE;
+    k->class_id = PCI_CLASS_BRIDGE_ISA;
+    k->revision = 0x40;
+    dc->desc = "ISA bridge";
+    dc->no_user = 1;
+    dc->vmsd = &vmstate_via;
+}
+
+static const TypeInfo via_info = {
+    .name          = "VT82C686B",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(VT82C686BState),
+    .class_init    = via_class_init,
+};
+
+static void vt82c686b_register_types(void)
+{
+    type_register_static(&via_ac97_info);
+    type_register_static(&via_mc97_info);
+    type_register_static(&via_pm_info);
+    type_register_static(&via_info);
+}
+
+type_init(vt82c686b_register_types)