diff options
Diffstat (limited to 'qemu/hw/isa/vt82c686.c')
| -rw-r--r-- | qemu/hw/isa/vt82c686.c | 515 |
1 files changed, 0 insertions, 515 deletions
diff --git a/qemu/hw/isa/vt82c686.c b/qemu/hw/isa/vt82c686.c deleted file mode 100644 index 41d5254f8..000000000 --- a/qemu/hw/isa/vt82c686.c +++ /dev/null @@ -1,515 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#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[0x100]; - uint8_t index; - uint8_t data; -} SuperIOConfig; - -typedef struct VT82C686BState { - PCIDevice dev; - MemoryRegion superio; - SuperIOConfig superio_conf; -} VT82C686BState; - -#define TYPE_VT82C686B_DEVICE "VT82C686B" -#define VT82C686B_DEVICE(obj) \ - OBJECT_CHECK(VT82C686BState, (obj), TYPE_VT82C686B_DEVICE) - -static void superio_ioport_writeb(void *opaque, hwaddr addr, uint64_t data, - unsigned size) -{ - 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 { - bool can_write = true; - /* 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 = false; - break; - case 0xe7: - if ((data & 0xff) != 0xfe) { - DPRINTF("change uart 1 base. unsupported yet\n"); - can_write = false; - } - break; - case 0xe8: - if ((data & 0xff) != 0xbe) { - DPRINTF("change uart 2 base. unsupported yet\n"); - can_write = false; - } - break; - default: - break; - - } - if (can_write) { - superio_conf->config[superio_conf->index] = data & 0xff; - } - } -} - -static uint64_t superio_ioport_readb(void *opaque, hwaddr addr, unsigned size) -{ - SuperIOConfig *superio_conf = opaque; - - DPRINTF("superio_ioport_readb address 0x%x\n", addr); - return (superio_conf->config[superio_conf->index]); -} - -static const MemoryRegionOps superio_ops = { - .read = superio_ioport_readb, - .write = superio_ioport_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void vt82c686b_reset(void * opaque) -{ - PCIDevice *d = opaque; - uint8_t *pci_conf = d->config; - VT82C686BState *vt82c = VT82C686B_DEVICE(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 = VT82C686B_DEVICE(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 */ - memory_region_set_enabled(&vt686->superio, val & 0x2); - } -} - -#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; - -#define TYPE_VT82C686B_PM_DEVICE "VT82C686B_PM" -#define VT82C686B_PM_DEVICE(obj) \ - OBJECT_CHECK(VT686PMState, (obj), TYPE_VT82C686B_PM_DEVICE) - -#define TYPE_VT82C686B_MC97_DEVICE "VT82C686B_MC97" -#define VT82C686B_MC97_DEVICE(obj) \ - OBJECT_CHECK(VT686MC97State, (obj), TYPE_VT82C686B_MC97_DEVICE) - -#define TYPE_VT82C686B_AC97_DEVICE "VT82C686B_AC97" -#define VT82C686B_AC97_DEVICE(obj) \ - OBJECT_CHECK(VT686AC97State, (obj), TYPE_VT82C686B_AC97_DEVICE) - -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); - pci_set_irq(&s->dev, 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, - .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_PTR(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 void vt82c686b_ac97_realize(PCIDevice *dev, Error **errp) -{ - VT686AC97State *s = VT82C686B_AC97_DEVICE(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); -} - -void vt82c686b_ac97_init(PCIBus *bus, int devfn) -{ - PCIDevice *dev; - - dev = pci_create(bus, devfn, TYPE_VT82C686B_AC97_DEVICE); - 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->realize = vt82c686b_ac97_realize; - 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; - set_bit(DEVICE_CATEGORY_SOUND, dc->categories); - dc->desc = "AC97"; -} - -static const TypeInfo via_ac97_info = { - .name = TYPE_VT82C686B_AC97_DEVICE, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(VT686AC97State), - .class_init = via_ac97_class_init, -}; - -static void vt82c686b_mc97_realize(PCIDevice *dev, Error **errp) -{ - VT686MC97State *s = VT82C686B_MC97_DEVICE(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); -} - -void vt82c686b_mc97_init(PCIBus *bus, int devfn) -{ - PCIDevice *dev; - - dev = pci_create(bus, devfn, TYPE_VT82C686B_MC97_DEVICE); - 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->realize = vt82c686b_mc97_realize; - 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; - set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); - dc->desc = "MC97"; -} - -static const TypeInfo via_mc97_info = { - .name = TYPE_VT82C686B_MC97_DEVICE, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(VT686MC97State), - .class_init = via_mc97_class_init, -}; - -/* vt82c686 pm init */ -static void vt82c686b_pm_realize(PCIDevice *dev, Error **errp) -{ - VT686PMState *s = VT82C686B_PM_DEVICE(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, OBJECT(dev), "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, false, false, 2); -} - -I2CBus *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, TYPE_VT82C686B_PM_DEVICE); - qdev_prop_set_uint32(&dev->qdev, "smb_io_base", smb_io_base); - - s = VT82C686B_PM_DEVICE(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->realize = vt82c686b_pm_realize; - 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; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); - dc->props = via_pm_properties; -} - -static const TypeInfo via_pm_info = { - .name = TYPE_VT82C686B_PM_DEVICE, - .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, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, VT82C686BState), - VMSTATE_END_OF_LIST() - } -}; - -/* init the PCI-to-ISA bridge */ -static void vt82c686b_realize(PCIDevice *d, Error **errp) -{ - VT82C686BState *vt82c = VT82C686B_DEVICE(d); - uint8_t *pci_conf; - ISABus *isa_bus; - uint8_t *wmask; - int i; - - isa_bus = isa_bus_new(DEVICE(d), get_system_memory(), - pci_address_space_io(d), errp); - if (!isa_bus) { - return; - } - - 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; - } - } - - memory_region_init_io(&vt82c->superio, OBJECT(d), &superio_ops, - &vt82c->superio_conf, "superio", 2); - memory_region_set_enabled(&vt82c->superio, false); - /* The floppy also uses 0x3f0 and 0x3f1. - * But we do not emulate a floppy, so just set it here. */ - memory_region_add_subregion(isa_bus->address_space_io, 0x3f0, - &vt82c->superio); - - qemu_register_reset(vt82c686b_reset, d); -} - -ISABus *vt82c686b_init(PCIBus *bus, int devfn) -{ - PCIDevice *d; - - d = pci_create_simple_multifunction(bus, devfn, true, - TYPE_VT82C686B_DEVICE); - - return ISA_BUS(qdev_get_child_bus(DEVICE(d), "isa.0")); -} - -static void via_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->realize = vt82c686b_realize; - 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->vmsd = &vmstate_via; - /* - * Reason: part of VIA VT82C686 southbridge, needs to be wired up, - * e.g. by mips_fulong2e_init() - */ - dc->cannot_instantiate_with_device_add_yet = true; -} - -static const TypeInfo via_info = { - .name = TYPE_VT82C686B_DEVICE, - .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) |