147934d0aSPaolo Bonzini /* 247934d0aSPaolo Bonzini * VT82C686B south bridge support 347934d0aSPaolo Bonzini * 447934d0aSPaolo Bonzini * Copyright (c) 2008 yajin (yajin@vm-kernel.org) 547934d0aSPaolo Bonzini * Copyright (c) 2009 chenming (chenming@rdc.faw.com.cn) 647934d0aSPaolo Bonzini * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com) 747934d0aSPaolo Bonzini * This code is licensed under the GNU GPL v2. 847934d0aSPaolo Bonzini * 947934d0aSPaolo Bonzini * Contributions after 2012-01-13 are licensed under the terms of the 1047934d0aSPaolo Bonzini * GNU GPL, version 2 or (at your option) any later version. 1147934d0aSPaolo Bonzini */ 1247934d0aSPaolo Bonzini 130430891cSPeter Maydell #include "qemu/osdep.h" 1447934d0aSPaolo Bonzini #include "hw/isa/vt82c686.h" 1547934d0aSPaolo Bonzini #include "hw/pci/pci.h" 16a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 1747934d0aSPaolo Bonzini #include "hw/isa/isa.h" 1898cf824bSPhilippe Mathieu-Daudé #include "hw/isa/superio.h" 193dc31cb8SBALATON Zoltan #include "hw/intc/i8259.h" 203dc31cb8SBALATON Zoltan #include "hw/irq.h" 213dc31cb8SBALATON Zoltan #include "hw/dma/i8257.h" 223dc31cb8SBALATON Zoltan #include "hw/timer/i8254.h" 233dc31cb8SBALATON Zoltan #include "hw/rtc/mc146818rtc.h" 24d6454270SMarkus Armbruster #include "migration/vmstate.h" 2547934d0aSPaolo Bonzini #include "hw/isa/apm.h" 2647934d0aSPaolo Bonzini #include "hw/acpi/acpi.h" 2747934d0aSPaolo Bonzini #include "hw/i2c/pm_smbus.h" 289307d06dSMarkus Armbruster #include "qapi/error.h" 292c4c556eSBALATON Zoltan #include "qemu/log.h" 300b8fa32fSMarkus Armbruster #include "qemu/module.h" 31911629e6SBALATON Zoltan #include "qemu/range.h" 3247934d0aSPaolo Bonzini #include "qemu/timer.h" 3347934d0aSPaolo Bonzini #include "exec/address-spaces.h" 34ff413a1fSBALATON Zoltan #include "trace.h" 3547934d0aSPaolo Bonzini 36e1a69736SBALATON Zoltan #define TYPE_VIA_PM "via-pm" 37e1a69736SBALATON Zoltan OBJECT_DECLARE_SIMPLE_TYPE(ViaPMState, VIA_PM) 3847934d0aSPaolo Bonzini 39e1a69736SBALATON Zoltan struct ViaPMState { 4047934d0aSPaolo Bonzini PCIDevice dev; 4147934d0aSPaolo Bonzini MemoryRegion io; 4247934d0aSPaolo Bonzini ACPIREGS ar; 4347934d0aSPaolo Bonzini APMState apm; 4447934d0aSPaolo Bonzini PMSMBus smb; 45db1015e9SEduardo Habkost }; 4647934d0aSPaolo Bonzini 47e1a69736SBALATON Zoltan static void pm_io_space_update(ViaPMState *s) 4847934d0aSPaolo Bonzini { 493ab1eea6SBALATON Zoltan uint32_t pmbase = pci_get_long(s->dev.config + 0x48) & 0xff80UL; 5047934d0aSPaolo Bonzini 5147934d0aSPaolo Bonzini memory_region_transaction_begin(); 523ab1eea6SBALATON Zoltan memory_region_set_address(&s->io, pmbase); 533ab1eea6SBALATON Zoltan memory_region_set_enabled(&s->io, s->dev.config[0x41] & BIT(7)); 5447934d0aSPaolo Bonzini memory_region_transaction_commit(); 5547934d0aSPaolo Bonzini } 5647934d0aSPaolo Bonzini 57e1a69736SBALATON Zoltan static void smb_io_space_update(ViaPMState *s) 58911629e6SBALATON Zoltan { 59911629e6SBALATON Zoltan uint32_t smbase = pci_get_long(s->dev.config + 0x90) & 0xfff0UL; 60911629e6SBALATON Zoltan 61911629e6SBALATON Zoltan memory_region_transaction_begin(); 62911629e6SBALATON Zoltan memory_region_set_address(&s->smb.io, smbase); 63911629e6SBALATON Zoltan memory_region_set_enabled(&s->smb.io, s->dev.config[0xd2] & BIT(0)); 64911629e6SBALATON Zoltan memory_region_transaction_commit(); 65911629e6SBALATON Zoltan } 66911629e6SBALATON Zoltan 6747934d0aSPaolo Bonzini static int vmstate_acpi_post_load(void *opaque, int version_id) 6847934d0aSPaolo Bonzini { 69e1a69736SBALATON Zoltan ViaPMState *s = opaque; 7047934d0aSPaolo Bonzini 7147934d0aSPaolo Bonzini pm_io_space_update(s); 72911629e6SBALATON Zoltan smb_io_space_update(s); 7347934d0aSPaolo Bonzini return 0; 7447934d0aSPaolo Bonzini } 7547934d0aSPaolo Bonzini 7647934d0aSPaolo Bonzini static const VMStateDescription vmstate_acpi = { 7747934d0aSPaolo Bonzini .name = "vt82c686b_pm", 7847934d0aSPaolo Bonzini .version_id = 1, 7947934d0aSPaolo Bonzini .minimum_version_id = 1, 8047934d0aSPaolo Bonzini .post_load = vmstate_acpi_post_load, 8147934d0aSPaolo Bonzini .fields = (VMStateField[]) { 82e1a69736SBALATON Zoltan VMSTATE_PCI_DEVICE(dev, ViaPMState), 83e1a69736SBALATON Zoltan VMSTATE_UINT16(ar.pm1.evt.sts, ViaPMState), 84e1a69736SBALATON Zoltan VMSTATE_UINT16(ar.pm1.evt.en, ViaPMState), 85e1a69736SBALATON Zoltan VMSTATE_UINT16(ar.pm1.cnt.cnt, ViaPMState), 86e1a69736SBALATON Zoltan VMSTATE_STRUCT(apm, ViaPMState, 0, vmstate_apm, APMState), 87e1a69736SBALATON Zoltan VMSTATE_TIMER_PTR(ar.tmr.timer, ViaPMState), 88e1a69736SBALATON Zoltan VMSTATE_INT64(ar.tmr.overflow_time, ViaPMState), 8947934d0aSPaolo Bonzini VMSTATE_END_OF_LIST() 9047934d0aSPaolo Bonzini } 9147934d0aSPaolo Bonzini }; 9247934d0aSPaolo Bonzini 9394349bffSBALATON Zoltan static void pm_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len) 9494349bffSBALATON Zoltan { 95e1a69736SBALATON Zoltan ViaPMState *s = VIA_PM(d); 96911629e6SBALATON Zoltan 9794349bffSBALATON Zoltan trace_via_pm_write(addr, val, len); 9894349bffSBALATON Zoltan pci_default_write_config(d, addr, val, len); 993ab1eea6SBALATON Zoltan if (ranges_overlap(addr, len, 0x48, 4)) { 1003ab1eea6SBALATON Zoltan uint32_t v = pci_get_long(s->dev.config + 0x48); 1013ab1eea6SBALATON Zoltan pci_set_long(s->dev.config + 0x48, (v & 0xff80UL) | 1); 1023ab1eea6SBALATON Zoltan } 1033ab1eea6SBALATON Zoltan if (range_covers_byte(addr, len, 0x41)) { 1043ab1eea6SBALATON Zoltan pm_io_space_update(s); 1053ab1eea6SBALATON Zoltan } 106911629e6SBALATON Zoltan if (ranges_overlap(addr, len, 0x90, 4)) { 107911629e6SBALATON Zoltan uint32_t v = pci_get_long(s->dev.config + 0x90); 108911629e6SBALATON Zoltan pci_set_long(s->dev.config + 0x90, (v & 0xfff0UL) | 1); 109911629e6SBALATON Zoltan } 110911629e6SBALATON Zoltan if (range_covers_byte(addr, len, 0xd2)) { 111911629e6SBALATON Zoltan s->dev.config[0xd2] &= 0xf; 112911629e6SBALATON Zoltan smb_io_space_update(s); 113911629e6SBALATON Zoltan } 11494349bffSBALATON Zoltan } 11594349bffSBALATON Zoltan 11635e360edSBALATON Zoltan static void pm_io_write(void *op, hwaddr addr, uint64_t data, unsigned size) 11735e360edSBALATON Zoltan { 11835e360edSBALATON Zoltan trace_via_pm_io_write(addr, data, size); 11935e360edSBALATON Zoltan } 12035e360edSBALATON Zoltan 12135e360edSBALATON Zoltan static uint64_t pm_io_read(void *op, hwaddr addr, unsigned size) 12235e360edSBALATON Zoltan { 12335e360edSBALATON Zoltan trace_via_pm_io_read(addr, 0, size); 12435e360edSBALATON Zoltan return 0; 12535e360edSBALATON Zoltan } 12635e360edSBALATON Zoltan 12735e360edSBALATON Zoltan static const MemoryRegionOps pm_io_ops = { 12835e360edSBALATON Zoltan .read = pm_io_read, 12935e360edSBALATON Zoltan .write = pm_io_write, 13035e360edSBALATON Zoltan .endianness = DEVICE_NATIVE_ENDIAN, 13135e360edSBALATON Zoltan .impl = { 13235e360edSBALATON Zoltan .min_access_size = 1, 13335e360edSBALATON Zoltan .max_access_size = 1, 13435e360edSBALATON Zoltan }, 13535e360edSBALATON Zoltan }; 13635e360edSBALATON Zoltan 137e1a69736SBALATON Zoltan static void pm_update_sci(ViaPMState *s) 13894349bffSBALATON Zoltan { 13994349bffSBALATON Zoltan int sci_level, pmsts; 14094349bffSBALATON Zoltan 14194349bffSBALATON Zoltan pmsts = acpi_pm1_evt_get_sts(&s->ar); 14294349bffSBALATON Zoltan sci_level = (((pmsts & s->ar.pm1.evt.en) & 14394349bffSBALATON Zoltan (ACPI_BITMASK_RT_CLOCK_ENABLE | 14494349bffSBALATON Zoltan ACPI_BITMASK_POWER_BUTTON_ENABLE | 14594349bffSBALATON Zoltan ACPI_BITMASK_GLOBAL_LOCK_ENABLE | 14694349bffSBALATON Zoltan ACPI_BITMASK_TIMER_ENABLE)) != 0); 1470fae92a3SIsaku Yamahata if (pci_get_byte(s->dev.config + PCI_INTERRUPT_PIN)) { 1480fae92a3SIsaku Yamahata /* 1490fae92a3SIsaku Yamahata * FIXME: 1500fae92a3SIsaku Yamahata * Fix device model that realizes this PM device and remove 1510fae92a3SIsaku Yamahata * this work around. 1520fae92a3SIsaku Yamahata * The device model should wire SCI and setup 1530fae92a3SIsaku Yamahata * PCI_INTERRUPT_PIN properly. 1540fae92a3SIsaku Yamahata * If PIN# = 0(interrupt pin isn't used), don't raise SCI as 1550fae92a3SIsaku Yamahata * work around. 1560fae92a3SIsaku Yamahata */ 15794349bffSBALATON Zoltan pci_set_irq(&s->dev, sci_level); 1580fae92a3SIsaku Yamahata } 15994349bffSBALATON Zoltan /* schedule a timer interruption if needed */ 16094349bffSBALATON Zoltan acpi_pm_tmr_update(&s->ar, (s->ar.pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) && 16194349bffSBALATON Zoltan !(pmsts & ACPI_BITMASK_TIMER_STATUS)); 16294349bffSBALATON Zoltan } 16394349bffSBALATON Zoltan 16494349bffSBALATON Zoltan static void pm_tmr_timer(ACPIREGS *ar) 16594349bffSBALATON Zoltan { 166e1a69736SBALATON Zoltan ViaPMState *s = container_of(ar, ViaPMState, ar); 16794349bffSBALATON Zoltan pm_update_sci(s); 16894349bffSBALATON Zoltan } 16994349bffSBALATON Zoltan 170e1a69736SBALATON Zoltan static void via_pm_reset(DeviceState *d) 171911629e6SBALATON Zoltan { 172e1a69736SBALATON Zoltan ViaPMState *s = VIA_PM(d); 173911629e6SBALATON Zoltan 1749af8e529SBALATON Zoltan memset(s->dev.config + PCI_CONFIG_HEADER_SIZE, 0, 1759af8e529SBALATON Zoltan PCI_CONFIG_SPACE_SIZE - PCI_CONFIG_HEADER_SIZE); 1769af8e529SBALATON Zoltan /* Power Management IO base */ 1779af8e529SBALATON Zoltan pci_set_long(s->dev.config + 0x48, 1); 178911629e6SBALATON Zoltan /* SMBus IO base */ 179911629e6SBALATON Zoltan pci_set_long(s->dev.config + 0x90, 1); 180911629e6SBALATON Zoltan 18144421c60SIsaku Yamahata acpi_pm1_evt_reset(&s->ar); 18244421c60SIsaku Yamahata acpi_pm1_cnt_reset(&s->ar); 18344421c60SIsaku Yamahata acpi_pm_tmr_reset(&s->ar); 18444421c60SIsaku Yamahata pm_update_sci(s); 18544421c60SIsaku Yamahata 1863ab1eea6SBALATON Zoltan pm_io_space_update(s); 187911629e6SBALATON Zoltan smb_io_space_update(s); 188911629e6SBALATON Zoltan } 189911629e6SBALATON Zoltan 190e1a69736SBALATON Zoltan static void via_pm_realize(PCIDevice *dev, Error **errp) 19147934d0aSPaolo Bonzini { 192e1a69736SBALATON Zoltan ViaPMState *s = VIA_PM(dev); 19347934d0aSPaolo Bonzini 1943ab1eea6SBALATON Zoltan pci_set_word(dev->config + PCI_STATUS, PCI_STATUS_FAST_BACK | 19547934d0aSPaolo Bonzini PCI_STATUS_DEVSEL_MEDIUM); 19647934d0aSPaolo Bonzini 197a30c34d2SPhilippe Mathieu-Daudé pm_smbus_init(DEVICE(s), &s->smb, false); 198911629e6SBALATON Zoltan memory_region_add_subregion(pci_address_space_io(dev), 0, &s->smb.io); 199911629e6SBALATON Zoltan memory_region_set_enabled(&s->smb.io, false); 20047934d0aSPaolo Bonzini 20147934d0aSPaolo Bonzini apm_init(dev, &s->apm, NULL, s); 20247934d0aSPaolo Bonzini 203e1a69736SBALATON Zoltan memory_region_init_io(&s->io, OBJECT(dev), &pm_io_ops, s, "via-pm", 128); 20435e360edSBALATON Zoltan memory_region_add_subregion(pci_address_space_io(dev), 0, &s->io); 20547934d0aSPaolo Bonzini memory_region_set_enabled(&s->io, false); 20647934d0aSPaolo Bonzini 20747934d0aSPaolo Bonzini acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io); 20847934d0aSPaolo Bonzini acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io); 2096be8cf56SIsaku Yamahata acpi_pm1_cnt_init(&s->ar, &s->io, false, false, 2, false); 21047934d0aSPaolo Bonzini } 21147934d0aSPaolo Bonzini 212e1a69736SBALATON Zoltan typedef struct via_pm_init_info { 213e1a69736SBALATON Zoltan uint16_t device_id; 214e1a69736SBALATON Zoltan } ViaPMInitInfo; 215e1a69736SBALATON Zoltan 21647934d0aSPaolo Bonzini static void via_pm_class_init(ObjectClass *klass, void *data) 21747934d0aSPaolo Bonzini { 21847934d0aSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 21947934d0aSPaolo Bonzini PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 220e1a69736SBALATON Zoltan ViaPMInitInfo *info = data; 22147934d0aSPaolo Bonzini 222e1a69736SBALATON Zoltan k->realize = via_pm_realize; 22347934d0aSPaolo Bonzini k->config_write = pm_write_config; 22447934d0aSPaolo Bonzini k->vendor_id = PCI_VENDOR_ID_VIA; 225e1a69736SBALATON Zoltan k->device_id = info->device_id; 22647934d0aSPaolo Bonzini k->class_id = PCI_CLASS_BRIDGE_OTHER; 22747934d0aSPaolo Bonzini k->revision = 0x40; 228e1a69736SBALATON Zoltan dc->reset = via_pm_reset; 229084bf4b4SBALATON Zoltan /* Reason: part of VIA south bridge, does not exist stand alone */ 230084bf4b4SBALATON Zoltan dc->user_creatable = false; 23147934d0aSPaolo Bonzini dc->vmsd = &vmstate_acpi; 23247934d0aSPaolo Bonzini } 23347934d0aSPaolo Bonzini 23447934d0aSPaolo Bonzini static const TypeInfo via_pm_info = { 235e1a69736SBALATON Zoltan .name = TYPE_VIA_PM, 23647934d0aSPaolo Bonzini .parent = TYPE_PCI_DEVICE, 237e1a69736SBALATON Zoltan .instance_size = sizeof(ViaPMState), 238e1a69736SBALATON Zoltan .abstract = true, 239fd3b02c8SEduardo Habkost .interfaces = (InterfaceInfo[]) { 240fd3b02c8SEduardo Habkost { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 241fd3b02c8SEduardo Habkost { }, 242fd3b02c8SEduardo Habkost }, 24347934d0aSPaolo Bonzini }; 24447934d0aSPaolo Bonzini 245e1a69736SBALATON Zoltan static const ViaPMInitInfo vt82c686b_pm_init_info = { 246e1a69736SBALATON Zoltan .device_id = PCI_DEVICE_ID_VIA_82C686B_PM, 247e1a69736SBALATON Zoltan }; 248e1a69736SBALATON Zoltan 249e1a69736SBALATON Zoltan static const TypeInfo vt82c686b_pm_info = { 250e1a69736SBALATON Zoltan .name = TYPE_VT82C686B_PM, 251e1a69736SBALATON Zoltan .parent = TYPE_VIA_PM, 252e1a69736SBALATON Zoltan .class_init = via_pm_class_init, 253e1a69736SBALATON Zoltan .class_data = (void *)&vt82c686b_pm_init_info, 254e1a69736SBALATON Zoltan }; 255e1a69736SBALATON Zoltan 256e1a69736SBALATON Zoltan static const ViaPMInitInfo vt8231_pm_init_info = { 257e1a69736SBALATON Zoltan .device_id = PCI_DEVICE_ID_VIA_8231_PM, 258e1a69736SBALATON Zoltan }; 259e1a69736SBALATON Zoltan 260e1a69736SBALATON Zoltan static const TypeInfo vt8231_pm_info = { 261e1a69736SBALATON Zoltan .name = TYPE_VT8231_PM, 262e1a69736SBALATON Zoltan .parent = TYPE_VIA_PM, 263e1a69736SBALATON Zoltan .class_init = via_pm_class_init, 264e1a69736SBALATON Zoltan .class_data = (void *)&vt8231_pm_init_info, 265e1a69736SBALATON Zoltan }; 266e1a69736SBALATON Zoltan 26794349bffSBALATON Zoltan 268*f028c2deSBALATON Zoltan #define TYPE_VIA_SUPERIO "via-superio" 269*f028c2deSBALATON Zoltan OBJECT_DECLARE_SIMPLE_TYPE(ViaSuperIOState, VIA_SUPERIO) 27094349bffSBALATON Zoltan 271*f028c2deSBALATON Zoltan struct ViaSuperIOState { 272*f028c2deSBALATON Zoltan ISASuperIODevice superio; 273*f028c2deSBALATON Zoltan uint8_t regs[0x100]; 274*f028c2deSBALATON Zoltan const MemoryRegionOps *io_ops; 275*f028c2deSBALATON Zoltan MemoryRegion io; 276*f028c2deSBALATON Zoltan }; 277*f028c2deSBALATON Zoltan 278*f028c2deSBALATON Zoltan static inline void via_superio_io_enable(ViaSuperIOState *s, bool enable) 27994349bffSBALATON Zoltan { 280*f028c2deSBALATON Zoltan memory_region_set_enabled(&s->io, enable); 281*f028c2deSBALATON Zoltan } 282*f028c2deSBALATON Zoltan 283*f028c2deSBALATON Zoltan static void via_superio_realize(DeviceState *d, Error **errp) 284*f028c2deSBALATON Zoltan { 285*f028c2deSBALATON Zoltan ViaSuperIOState *s = VIA_SUPERIO(d); 286*f028c2deSBALATON Zoltan ISASuperIOClass *ic = ISA_SUPERIO_GET_CLASS(s); 287*f028c2deSBALATON Zoltan Error *local_err = NULL; 288*f028c2deSBALATON Zoltan 289*f028c2deSBALATON Zoltan assert(s->io_ops); 290*f028c2deSBALATON Zoltan ic->parent_realize(d, &local_err); 291*f028c2deSBALATON Zoltan if (local_err) { 292*f028c2deSBALATON Zoltan error_propagate(errp, local_err); 293*f028c2deSBALATON Zoltan return; 294*f028c2deSBALATON Zoltan } 295*f028c2deSBALATON Zoltan memory_region_init_io(&s->io, OBJECT(d), s->io_ops, s, "via-superio", 2); 296*f028c2deSBALATON Zoltan memory_region_set_enabled(&s->io, false); 297*f028c2deSBALATON Zoltan /* The floppy also uses 0x3f0 and 0x3f1 but this seems to work anyway */ 298*f028c2deSBALATON Zoltan memory_region_add_subregion(isa_address_space_io(ISA_DEVICE(s)), 0x3f0, 299*f028c2deSBALATON Zoltan &s->io); 300*f028c2deSBALATON Zoltan } 301*f028c2deSBALATON Zoltan 302*f028c2deSBALATON Zoltan static uint64_t via_superio_cfg_read(void *opaque, hwaddr addr, unsigned size) 303*f028c2deSBALATON Zoltan { 304*f028c2deSBALATON Zoltan ViaSuperIOState *sc = opaque; 305*f028c2deSBALATON Zoltan uint8_t idx = sc->regs[0]; 306*f028c2deSBALATON Zoltan uint8_t val = sc->regs[idx]; 307*f028c2deSBALATON Zoltan 308*f028c2deSBALATON Zoltan if (addr == 0) { 309*f028c2deSBALATON Zoltan return idx; 310*f028c2deSBALATON Zoltan } 311*f028c2deSBALATON Zoltan if (addr == 1 && idx == 0) { 312*f028c2deSBALATON Zoltan val = 0; /* reading reg 0 where we store index value */ 313*f028c2deSBALATON Zoltan } 314*f028c2deSBALATON Zoltan trace_via_superio_read(idx, val); 315*f028c2deSBALATON Zoltan return val; 316*f028c2deSBALATON Zoltan } 317*f028c2deSBALATON Zoltan 318*f028c2deSBALATON Zoltan static void via_superio_class_init(ObjectClass *klass, void *data) 319*f028c2deSBALATON Zoltan { 320*f028c2deSBALATON Zoltan DeviceClass *dc = DEVICE_CLASS(klass); 321*f028c2deSBALATON Zoltan ISASuperIOClass *sc = ISA_SUPERIO_CLASS(klass); 322*f028c2deSBALATON Zoltan 323*f028c2deSBALATON Zoltan sc->parent_realize = dc->realize; 324*f028c2deSBALATON Zoltan dc->realize = via_superio_realize; 325*f028c2deSBALATON Zoltan } 326*f028c2deSBALATON Zoltan 327*f028c2deSBALATON Zoltan static const TypeInfo via_superio_info = { 328*f028c2deSBALATON Zoltan .name = TYPE_VIA_SUPERIO, 329*f028c2deSBALATON Zoltan .parent = TYPE_ISA_SUPERIO, 330*f028c2deSBALATON Zoltan .instance_size = sizeof(ViaSuperIOState), 331*f028c2deSBALATON Zoltan .class_size = sizeof(ISASuperIOClass), 332*f028c2deSBALATON Zoltan .class_init = via_superio_class_init, 333*f028c2deSBALATON Zoltan .abstract = true, 334*f028c2deSBALATON Zoltan }; 335*f028c2deSBALATON Zoltan 336*f028c2deSBALATON Zoltan #define TYPE_VT82C686B_SUPERIO "vt82c686b-superio" 337*f028c2deSBALATON Zoltan 338*f028c2deSBALATON Zoltan static void vt82c686b_superio_cfg_write(void *opaque, hwaddr addr, 339*f028c2deSBALATON Zoltan uint64_t data, unsigned size) 340*f028c2deSBALATON Zoltan { 341*f028c2deSBALATON Zoltan ViaSuperIOState *sc = opaque; 342c953bf71SBALATON Zoltan uint8_t idx = sc->regs[0]; 34394349bffSBALATON Zoltan 344cc2b4550SBALATON Zoltan if (addr == 0) { /* config index register */ 345cc2b4550SBALATON Zoltan sc->regs[0] = data; 3462b98dca9SBALATON Zoltan return; 3472b98dca9SBALATON Zoltan } 348cc2b4550SBALATON Zoltan 349cc2b4550SBALATON Zoltan /* config data register */ 350cc2b4550SBALATON Zoltan trace_via_superio_write(idx, data); 351c953bf71SBALATON Zoltan switch (idx) { 35294349bffSBALATON Zoltan case 0x00 ... 0xdf: 35394349bffSBALATON Zoltan case 0xe4: 35494349bffSBALATON Zoltan case 0xe5: 35594349bffSBALATON Zoltan case 0xe9 ... 0xed: 35694349bffSBALATON Zoltan case 0xf3: 35794349bffSBALATON Zoltan case 0xf5: 35894349bffSBALATON Zoltan case 0xf7: 35994349bffSBALATON Zoltan case 0xf9 ... 0xfb: 36094349bffSBALATON Zoltan case 0xfd ... 0xff: 361b7741b77SBALATON Zoltan /* ignore write to read only registers */ 362b7741b77SBALATON Zoltan return; 36394349bffSBALATON Zoltan /* case 0xe6 ... 0xe8: Should set base port of parallel and serial */ 36494349bffSBALATON Zoltan default: 3652c4c556eSBALATON Zoltan qemu_log_mask(LOG_UNIMP, 3662c4c556eSBALATON Zoltan "via_superio_cfg: unimplemented register 0x%x\n", idx); 36794349bffSBALATON Zoltan break; 36894349bffSBALATON Zoltan } 369cc2b4550SBALATON Zoltan sc->regs[idx] = data; 37094349bffSBALATON Zoltan } 37194349bffSBALATON Zoltan 372*f028c2deSBALATON Zoltan static const MemoryRegionOps vt82c686b_superio_cfg_ops = { 373*f028c2deSBALATON Zoltan .read = via_superio_cfg_read, 374*f028c2deSBALATON Zoltan .write = vt82c686b_superio_cfg_write, 37594349bffSBALATON Zoltan .endianness = DEVICE_NATIVE_ENDIAN, 37694349bffSBALATON Zoltan .impl = { 37794349bffSBALATON Zoltan .min_access_size = 1, 37894349bffSBALATON Zoltan .max_access_size = 1, 37994349bffSBALATON Zoltan }, 38094349bffSBALATON Zoltan }; 38194349bffSBALATON Zoltan 382*f028c2deSBALATON Zoltan static void vt82c686b_superio_reset(DeviceState *dev) 383*f028c2deSBALATON Zoltan { 384*f028c2deSBALATON Zoltan ViaSuperIOState *s = VIA_SUPERIO(dev); 385*f028c2deSBALATON Zoltan 386*f028c2deSBALATON Zoltan memset(s->regs, 0, sizeof(s->regs)); 387*f028c2deSBALATON Zoltan /* Device ID */ 388*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe0, 1); 389*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0x3c, 1); 390*f028c2deSBALATON Zoltan /* Function select - all disabled */ 391*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe2, 1); 392*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0x03, 1); 393*f028c2deSBALATON Zoltan /* Floppy ctrl base addr 0x3f0-7 */ 394*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe3, 1); 395*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0xfc, 1); 396*f028c2deSBALATON Zoltan /* Parallel port base addr 0x378-f */ 397*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe6, 1); 398*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0xde, 1); 399*f028c2deSBALATON Zoltan /* Serial port 1 base addr 0x3f8-f */ 400*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe7, 1); 401*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0xfe, 1); 402*f028c2deSBALATON Zoltan /* Serial port 2 base addr 0x2f8-f */ 403*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0xe8, 1); 404*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 1, 0xbe, 1); 405*f028c2deSBALATON Zoltan 406*f028c2deSBALATON Zoltan vt82c686b_superio_cfg_write(s, 0, 0, 1); 407*f028c2deSBALATON Zoltan } 408*f028c2deSBALATON Zoltan 409*f028c2deSBALATON Zoltan static void vt82c686b_superio_init(Object *obj) 410*f028c2deSBALATON Zoltan { 411*f028c2deSBALATON Zoltan VIA_SUPERIO(obj)->io_ops = &vt82c686b_superio_cfg_ops; 412*f028c2deSBALATON Zoltan } 413*f028c2deSBALATON Zoltan 414*f028c2deSBALATON Zoltan static void vt82c686b_superio_class_init(ObjectClass *klass, void *data) 415*f028c2deSBALATON Zoltan { 416*f028c2deSBALATON Zoltan DeviceClass *dc = DEVICE_CLASS(klass); 417*f028c2deSBALATON Zoltan ISASuperIOClass *sc = ISA_SUPERIO_CLASS(klass); 418*f028c2deSBALATON Zoltan 419*f028c2deSBALATON Zoltan dc->reset = vt82c686b_superio_reset; 420*f028c2deSBALATON Zoltan sc->serial.count = 2; 421*f028c2deSBALATON Zoltan sc->parallel.count = 1; 422*f028c2deSBALATON Zoltan sc->ide.count = 0; /* emulated by via-ide */ 423*f028c2deSBALATON Zoltan sc->floppy.count = 1; 424*f028c2deSBALATON Zoltan } 425*f028c2deSBALATON Zoltan 426*f028c2deSBALATON Zoltan static const TypeInfo vt82c686b_superio_info = { 427*f028c2deSBALATON Zoltan .name = TYPE_VT82C686B_SUPERIO, 428*f028c2deSBALATON Zoltan .parent = TYPE_VIA_SUPERIO, 429*f028c2deSBALATON Zoltan .instance_size = sizeof(ViaSuperIOState), 430*f028c2deSBALATON Zoltan .instance_init = vt82c686b_superio_init, 431*f028c2deSBALATON Zoltan .class_size = sizeof(ISASuperIOClass), 432*f028c2deSBALATON Zoltan .class_init = vt82c686b_superio_class_init, 433*f028c2deSBALATON Zoltan }; 434*f028c2deSBALATON Zoltan 43594349bffSBALATON Zoltan 43694349bffSBALATON Zoltan OBJECT_DECLARE_SIMPLE_TYPE(VT82C686BISAState, VT82C686B_ISA) 43794349bffSBALATON Zoltan 43894349bffSBALATON Zoltan struct VT82C686BISAState { 43994349bffSBALATON Zoltan PCIDevice dev; 4403dc31cb8SBALATON Zoltan qemu_irq cpu_intr; 441*f028c2deSBALATON Zoltan ViaSuperIOState *via_sio; 44294349bffSBALATON Zoltan }; 44394349bffSBALATON Zoltan 4443dc31cb8SBALATON Zoltan static void via_isa_request_i8259_irq(void *opaque, int irq, int level) 4453dc31cb8SBALATON Zoltan { 4463dc31cb8SBALATON Zoltan VT82C686BISAState *s = opaque; 4473dc31cb8SBALATON Zoltan qemu_set_irq(s->cpu_intr, level); 4483dc31cb8SBALATON Zoltan } 4493dc31cb8SBALATON Zoltan 45094349bffSBALATON Zoltan static void vt82c686b_write_config(PCIDevice *d, uint32_t addr, 45194349bffSBALATON Zoltan uint32_t val, int len) 45294349bffSBALATON Zoltan { 45394349bffSBALATON Zoltan VT82C686BISAState *s = VT82C686B_ISA(d); 45494349bffSBALATON Zoltan 45594349bffSBALATON Zoltan trace_via_isa_write(addr, val, len); 45694349bffSBALATON Zoltan pci_default_write_config(d, addr, val, len); 45794349bffSBALATON Zoltan if (addr == 0x85) { 45894349bffSBALATON Zoltan /* BIT(1): enable or disable superio config io ports */ 459*f028c2deSBALATON Zoltan via_superio_io_enable(s->via_sio, val & BIT(1)); 46094349bffSBALATON Zoltan } 46194349bffSBALATON Zoltan } 46294349bffSBALATON Zoltan 46347934d0aSPaolo Bonzini static const VMStateDescription vmstate_via = { 46447934d0aSPaolo Bonzini .name = "vt82c686b", 46547934d0aSPaolo Bonzini .version_id = 1, 46647934d0aSPaolo Bonzini .minimum_version_id = 1, 46747934d0aSPaolo Bonzini .fields = (VMStateField[]) { 4680f798461SBALATON Zoltan VMSTATE_PCI_DEVICE(dev, VT82C686BISAState), 46947934d0aSPaolo Bonzini VMSTATE_END_OF_LIST() 47047934d0aSPaolo Bonzini } 47147934d0aSPaolo Bonzini }; 47247934d0aSPaolo Bonzini 47394349bffSBALATON Zoltan static void vt82c686b_isa_reset(DeviceState *dev) 47494349bffSBALATON Zoltan { 47594349bffSBALATON Zoltan VT82C686BISAState *s = VT82C686B_ISA(dev); 47694349bffSBALATON Zoltan uint8_t *pci_conf = s->dev.config; 47794349bffSBALATON Zoltan 47894349bffSBALATON Zoltan pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0); 47994349bffSBALATON Zoltan pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | 48094349bffSBALATON Zoltan PCI_COMMAND_MASTER | PCI_COMMAND_SPECIAL); 48194349bffSBALATON Zoltan pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM); 48294349bffSBALATON Zoltan 48394349bffSBALATON Zoltan pci_conf[0x48] = 0x01; /* Miscellaneous Control 3 */ 48494349bffSBALATON Zoltan pci_conf[0x4a] = 0x04; /* IDE interrupt Routing */ 48594349bffSBALATON Zoltan pci_conf[0x4f] = 0x03; /* DMA/Master Mem Access Control 3 */ 48694349bffSBALATON Zoltan pci_conf[0x50] = 0x2d; /* PnP DMA Request Control */ 48794349bffSBALATON Zoltan pci_conf[0x59] = 0x04; 48894349bffSBALATON Zoltan pci_conf[0x5a] = 0x04; /* KBC/RTC Control*/ 48994349bffSBALATON Zoltan pci_conf[0x5f] = 0x04; 49094349bffSBALATON Zoltan pci_conf[0x77] = 0x10; /* GPIO Control 1/2/3/4 */ 49194349bffSBALATON Zoltan } 49294349bffSBALATON Zoltan 4939af21dbeSMarkus Armbruster static void vt82c686b_realize(PCIDevice *d, Error **errp) 49447934d0aSPaolo Bonzini { 495007b3103SBALATON Zoltan VT82C686BISAState *s = VT82C686B_ISA(d); 4969859ad1cSBALATON Zoltan DeviceState *dev = DEVICE(d); 497bcc37e24SJan Kiszka ISABus *isa_bus; 4983dc31cb8SBALATON Zoltan qemu_irq *isa_irq; 49947934d0aSPaolo Bonzini int i; 50047934d0aSPaolo Bonzini 5013dc31cb8SBALATON Zoltan qdev_init_gpio_out(dev, &s->cpu_intr, 1); 5023dc31cb8SBALATON Zoltan isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1); 5039859ad1cSBALATON Zoltan isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d), 5049859ad1cSBALATON Zoltan &error_fatal); 5053dc31cb8SBALATON Zoltan isa_bus_irqs(isa_bus, i8259_init(isa_bus, *isa_irq)); 5063dc31cb8SBALATON Zoltan i8254_pit_init(isa_bus, 0x40, 0, NULL); 5073dc31cb8SBALATON Zoltan i8257_dma_init(isa_bus, 0); 508*f028c2deSBALATON Zoltan s->via_sio = VIA_SUPERIO(isa_create_simple(isa_bus, 509*f028c2deSBALATON Zoltan TYPE_VT82C686B_SUPERIO)); 5103dc31cb8SBALATON Zoltan mc146818_rtc_init(isa_bus, 2000, NULL); 51147934d0aSPaolo Bonzini 5129859ad1cSBALATON Zoltan for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) { 5139859ad1cSBALATON Zoltan if (i < PCI_COMMAND || i >= PCI_REVISION_ID) { 5149859ad1cSBALATON Zoltan d->wmask[i] = 0; 51547934d0aSPaolo Bonzini } 51647934d0aSPaolo Bonzini } 51747934d0aSPaolo Bonzini } 51847934d0aSPaolo Bonzini 51947934d0aSPaolo Bonzini static void via_class_init(ObjectClass *klass, void *data) 52047934d0aSPaolo Bonzini { 52147934d0aSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 52247934d0aSPaolo Bonzini PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 52347934d0aSPaolo Bonzini 5249af21dbeSMarkus Armbruster k->realize = vt82c686b_realize; 52547934d0aSPaolo Bonzini k->config_write = vt82c686b_write_config; 52647934d0aSPaolo Bonzini k->vendor_id = PCI_VENDOR_ID_VIA; 52747934d0aSPaolo Bonzini k->device_id = PCI_DEVICE_ID_VIA_ISA_BRIDGE; 52847934d0aSPaolo Bonzini k->class_id = PCI_CLASS_BRIDGE_ISA; 52947934d0aSPaolo Bonzini k->revision = 0x40; 5309dc1a769SPhilippe Mathieu-Daudé dc->reset = vt82c686b_isa_reset; 53147934d0aSPaolo Bonzini dc->desc = "ISA bridge"; 53247934d0aSPaolo Bonzini dc->vmsd = &vmstate_via; 53304916ee9SMarkus Armbruster /* 53404916ee9SMarkus Armbruster * Reason: part of VIA VT82C686 southbridge, needs to be wired up, 535c3a09ff6SPhilippe Mathieu-Daudé * e.g. by mips_fuloong2e_init() 53604916ee9SMarkus Armbruster */ 537e90f2a8cSEduardo Habkost dc->user_creatable = false; 53847934d0aSPaolo Bonzini } 53947934d0aSPaolo Bonzini 54047934d0aSPaolo Bonzini static const TypeInfo via_info = { 5410f798461SBALATON Zoltan .name = TYPE_VT82C686B_ISA, 54247934d0aSPaolo Bonzini .parent = TYPE_PCI_DEVICE, 5430f798461SBALATON Zoltan .instance_size = sizeof(VT82C686BISAState), 54447934d0aSPaolo Bonzini .class_init = via_class_init, 545fd3b02c8SEduardo Habkost .interfaces = (InterfaceInfo[]) { 546fd3b02c8SEduardo Habkost { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 547fd3b02c8SEduardo Habkost { }, 548fd3b02c8SEduardo Habkost }, 54947934d0aSPaolo Bonzini }; 55047934d0aSPaolo Bonzini 55194349bffSBALATON Zoltan 55247934d0aSPaolo Bonzini static void vt82c686b_register_types(void) 55347934d0aSPaolo Bonzini { 55447934d0aSPaolo Bonzini type_register_static(&via_pm_info); 555e1a69736SBALATON Zoltan type_register_static(&vt82c686b_pm_info); 556e1a69736SBALATON Zoltan type_register_static(&vt8231_pm_info); 55794349bffSBALATON Zoltan type_register_static(&via_superio_info); 558*f028c2deSBALATON Zoltan type_register_static(&vt82c686b_superio_info); 559*f028c2deSBALATON Zoltan type_register_static(&via_info); 56047934d0aSPaolo Bonzini } 56147934d0aSPaolo Bonzini 56247934d0aSPaolo Bonzini type_init(vt82c686b_register_types) 563