mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-11 21:44:04 +00:00
eaba51c573
factor out ACPI PM1_CNT logic. This will be used by ich9 acpi. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Huacai Chen <zltjiangshi@gmail.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
541 lines
15 KiB
C
541 lines
15 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "hw.h"
|
|
#include "pc.h"
|
|
#include "vt82c686.h"
|
|
#include "i2c.h"
|
|
#include "smbus.h"
|
|
#include "pci.h"
|
|
#include "isa.h"
|
|
#include "sysbus.h"
|
|
#include "mips.h"
|
|
#include "apm.h"
|
|
#include "acpi.h"
|
|
#include "pm_smbus.h"
|
|
#include "sysemu.h"
|
|
#include "qemu-timer.h"
|
|
|
|
typedef uint32_t pci_addr_t;
|
|
#include "pci_host.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;
|
|
ACPIPM1EVT pm1a;
|
|
ACPIPM1CNT pm1_cnt;
|
|
APMState apm;
|
|
ACPIPMTimer tmr;
|
|
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->pm1a, s->tmr.overflow_time);
|
|
sci_level = (((pmsts & s->pm1a.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->tmr, (s->pm1a.en & ACPI_BITMASK_TIMER_ENABLE) &&
|
|
!(pmsts & ACPI_BITMASK_TIMER_STATUS));
|
|
}
|
|
|
|
static void pm_tmr_timer(ACPIPMTimer *tmr)
|
|
{
|
|
VT686PMState *s = container_of(tmr, VT686PMState, tmr);
|
|
pm_update_sci(s);
|
|
}
|
|
|
|
static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
VT686PMState *s = opaque;
|
|
|
|
addr &= 0x0f;
|
|
switch (addr) {
|
|
case 0x00:
|
|
acpi_pm1_evt_write_sts(&s->pm1a, &s->tmr, val);
|
|
pm_update_sci(s);
|
|
break;
|
|
case 0x02:
|
|
s->pm1a.en = val;
|
|
pm_update_sci(s);
|
|
break;
|
|
case 0x04:
|
|
acpi_pm1_cnt_write(&s->pm1a, &s->pm1_cnt, val);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
DPRINTF("PM writew port=0x%04x val=0x%02x\n", addr, val);
|
|
}
|
|
|
|
static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
|
|
{
|
|
VT686PMState *s = opaque;
|
|
uint32_t val;
|
|
|
|
addr &= 0x0f;
|
|
switch (addr) {
|
|
case 0x00:
|
|
val = acpi_pm1_evt_get_sts(&s->pm1a, s->tmr.overflow_time);
|
|
break;
|
|
case 0x02:
|
|
val = s->pm1a.en;
|
|
break;
|
|
case 0x04:
|
|
val = s->pm1_cnt.cnt;
|
|
break;
|
|
default:
|
|
val = 0;
|
|
break;
|
|
}
|
|
DPRINTF("PM readw port=0x%04x val=0x%02x\n", addr, val);
|
|
return val;
|
|
}
|
|
|
|
static void pm_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
addr &= 0x0f;
|
|
DPRINTF("PM writel port=0x%04x val=0x%08x\n", addr, val);
|
|
}
|
|
|
|
static uint32_t pm_ioport_readl(void *opaque, uint32_t addr)
|
|
{
|
|
VT686PMState *s = opaque;
|
|
uint32_t val;
|
|
|
|
addr &= 0x0f;
|
|
switch (addr) {
|
|
case 0x08:
|
|
val = acpi_pm_tmr_get(&s->tmr);
|
|
break;
|
|
default:
|
|
val = 0;
|
|
break;
|
|
}
|
|
DPRINTF("PM readl port=0x%04x val=0x%08x\n", addr, val);
|
|
return val;
|
|
}
|
|
|
|
static void pm_io_space_update(VT686PMState *s)
|
|
{
|
|
uint32_t pm_io_base;
|
|
|
|
if (s->dev.config[0x80] & 1) {
|
|
pm_io_base = pci_get_long(s->dev.config + 0x40);
|
|
pm_io_base &= 0xffc0;
|
|
|
|
/* XXX: need to improve memory and ioport allocation */
|
|
DPRINTF("PM: mapping to 0x%x\n", pm_io_base);
|
|
register_ioport_write(pm_io_base, 64, 2, pm_ioport_writew, s);
|
|
register_ioport_read(pm_io_base, 64, 2, pm_ioport_readw, s);
|
|
register_ioport_write(pm_io_base, 64, 4, pm_ioport_writel, s);
|
|
register_ioport_read(pm_io_base, 64, 4, pm_ioport_readl, s);
|
|
}
|
|
}
|
|
|
|
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(pm1a.sts, VT686PMState),
|
|
VMSTATE_UINT16(pm1a.en, VT686PMState),
|
|
VMSTATE_UINT16(pm1_cnt.cnt, VT686PMState),
|
|
VMSTATE_STRUCT(apm, VT686PMState, 0, vmstate_apm, APMState),
|
|
VMSTATE_TIMER(tmr.timer, VT686PMState),
|
|
VMSTATE_INT64(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_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_VIA);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_VIA_AC97);
|
|
pci_config_set_class(pci_conf, PCI_CLASS_MULTIMEDIA_AUDIO);
|
|
pci_config_set_revision(pci_conf, 0x50);
|
|
|
|
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 PCIDeviceInfo via_ac97_info = {
|
|
.qdev.name = "VT82C686B_AC97",
|
|
.qdev.desc = "AC97",
|
|
.qdev.size = sizeof(VT686AC97State),
|
|
.init = vt82c686b_ac97_initfn,
|
|
};
|
|
|
|
static void vt82c686b_ac97_register(void)
|
|
{
|
|
pci_qdev_register(&via_ac97_info);
|
|
}
|
|
|
|
device_init(vt82c686b_ac97_register);
|
|
|
|
static int vt82c686b_mc97_initfn(PCIDevice *dev)
|
|
{
|
|
VT686MC97State *s = DO_UPCAST(VT686MC97State, dev, dev);
|
|
uint8_t *pci_conf = s->dev.config;
|
|
|
|
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_VIA);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_VIA_MC97);
|
|
pci_config_set_class(pci_conf, PCI_CLASS_COMMUNICATION_OTHER);
|
|
pci_config_set_revision(pci_conf, 0x30);
|
|
|
|
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 PCIDeviceInfo via_mc97_info = {
|
|
.qdev.name = "VT82C686B_MC97",
|
|
.qdev.desc = "MC97",
|
|
.qdev.size = sizeof(VT686MC97State),
|
|
.init = vt82c686b_mc97_initfn,
|
|
};
|
|
|
|
static void vt82c686b_mc97_register(void)
|
|
{
|
|
pci_qdev_register(&via_mc97_info);
|
|
}
|
|
|
|
device_init(vt82c686b_mc97_register);
|
|
|
|
/* 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_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_VIA);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_VIA_ACPI);
|
|
pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_OTHER);
|
|
pci_config_set_revision(pci_conf, 0x40);
|
|
|
|
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;
|
|
register_ioport_write(s->smb_io_base, 0xf, 1, smb_ioport_writeb, &s->smb);
|
|
register_ioport_read(s->smb_io_base, 0xf, 1, smb_ioport_readb, &s->smb);
|
|
|
|
apm_init(&s->apm, NULL, s);
|
|
|
|
acpi_pm_tmr_init(&s->tmr, pm_tmr_timer);
|
|
acpi_pm1_cnt_init(&s->pm1_cnt, NULL);
|
|
|
|
pm_smbus_init(&s->dev.qdev, &s->smb);
|
|
|
|
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 PCIDeviceInfo via_pm_info = {
|
|
.qdev.name = "VT82C686B_PM",
|
|
.qdev.desc = "PM",
|
|
.qdev.size = sizeof(VT686PMState),
|
|
.qdev.vmsd = &vmstate_acpi,
|
|
.init = vt82c686b_pm_initfn,
|
|
.config_write = pm_write_config,
|
|
.qdev.props = (Property[]) {
|
|
DEFINE_PROP_UINT32("smb_io_base", VT686PMState, smb_io_base, 0),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
}
|
|
};
|
|
|
|
static void vt82c686b_pm_register(void)
|
|
{
|
|
pci_qdev_register(&via_pm_info);
|
|
}
|
|
|
|
device_init(vt82c686b_pm_register);
|
|
|
|
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_conf = d->config;
|
|
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_VIA);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_VIA_ISA_BRIDGE);
|
|
pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA);
|
|
pci_config_set_prog_interface(pci_conf, 0x0);
|
|
pci_config_set_revision(pci_conf,0x40); /* Revision 4.0 */
|
|
|
|
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;
|
|
}
|
|
|
|
int vt82c686b_init(PCIBus *bus, int devfn)
|
|
{
|
|
PCIDevice *d;
|
|
|
|
d = pci_create_simple_multifunction(bus, devfn, true, "VT82C686B");
|
|
|
|
return d->devfn;
|
|
}
|
|
|
|
static PCIDeviceInfo via_info = {
|
|
.qdev.name = "VT82C686B",
|
|
.qdev.desc = "ISA bridge",
|
|
.qdev.size = sizeof(VT82C686BState),
|
|
.qdev.vmsd = &vmstate_via,
|
|
.qdev.no_user = 1,
|
|
.init = vt82c686b_initfn,
|
|
.config_write = vt82c686b_write_config,
|
|
};
|
|
|
|
static void vt82c686b_register(void)
|
|
{
|
|
pci_qdev_register(&via_info);
|
|
}
|
|
device_init(vt82c686b_register);
|