mirror of https://github.com/xemu-project/xemu.git
132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/*
|
|
* 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/>
|
|
*
|
|
* Contributions after 2012-01-13 are licensed under the terms of the
|
|
* GNU GPL, version 2 or (at your option) any later version.
|
|
*/
|
|
/*
|
|
* Copyright (C) 2012 espes
|
|
*
|
|
* Based on acpi.c, acpi_ich9.c, acpi_piix4.c
|
|
*/
|
|
|
|
#include "hw.h"
|
|
#include "pc.h"
|
|
#include "pci.h"
|
|
#include "qemu-timer.h"
|
|
#include "sysemu.h"
|
|
#include "acpi.h"
|
|
|
|
#include "acpi_mcpx.h"
|
|
|
|
//#define DEBUG
|
|
|
|
#ifdef DEBUG
|
|
# define MCPX_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
|
|
#else
|
|
# define MCPX_DPRINTF(format, ...) do { } while (0)
|
|
#endif
|
|
|
|
|
|
|
|
static void mcpx_pm_update_sci_gn(ACPIREGS *regs)
|
|
{
|
|
MCPX_PMRegs *pm = container_of(regs, MCPX_PMRegs, acpi_regs);
|
|
//pm_update_sci(pm);
|
|
}
|
|
|
|
|
|
#define MCPX_PMIO_PM1_STS 0x0
|
|
#define MCPX_PMIO_PM1_EN 0x2
|
|
#define MCPX_PMIO_PM1_CNT 0x4
|
|
#define MCPX_PMIO_PM_TMR 0x8
|
|
|
|
static void mcpx_pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width,
|
|
uint64_t val)
|
|
{
|
|
MCPX_PMRegs *pm = container_of(ioport, MCPX_PMRegs, ioport);
|
|
|
|
switch (addr) {
|
|
case MCPX_PMIO_PM1_STS:
|
|
acpi_pm1_evt_write_sts(&pm->acpi_regs, val);
|
|
//pm_update_sci(pm);
|
|
break;
|
|
case MCPX_PMIO_PM1_EN:
|
|
pm->acpi_regs.pm1.evt.en = val;
|
|
//pm_update_sci(pm);
|
|
break;
|
|
case MCPX_PMIO_PM1_CNT:
|
|
acpi_pm1_cnt_write(&pm->acpi_regs, val, 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
MCPX_DPRINTF("PM: write port=0x%04x val=0x%04x\n",
|
|
(unsigned int)addr, (unsigned int)val);
|
|
}
|
|
|
|
static void mcpx_pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width,
|
|
uint64_t *data)
|
|
{
|
|
MCPX_PMRegs *pm = container_of(ioport, MCPX_PMRegs, ioport);
|
|
uint32_t val;
|
|
|
|
switch (addr) {
|
|
case MCPX_PMIO_PM1_STS:
|
|
val = acpi_pm1_evt_get_sts(&pm->acpi_regs);
|
|
break;
|
|
case MCPX_PMIO_PM1_EN:
|
|
val = pm->acpi_regs.pm1.evt.en;
|
|
break;
|
|
case MCPX_PMIO_PM1_CNT:
|
|
val = pm->acpi_regs.pm1.cnt.cnt;
|
|
break;
|
|
case MCPX_PMIO_PM_TMR:
|
|
val = acpi_pm_tmr_get(&pm->acpi_regs);
|
|
break;
|
|
default:
|
|
val = 0;
|
|
break;
|
|
}
|
|
MCPX_DPRINTF("PM: read port=0x%04x val=0x%04x\n",
|
|
(unsigned int)addr, (unsigned int)val);
|
|
*data = val;
|
|
}
|
|
|
|
static const IORangeOps mcpx_iorange_ops = {
|
|
.read = mcpx_pm_ioport_read,
|
|
.write = mcpx_pm_ioport_write,
|
|
};
|
|
|
|
|
|
void mcpx_pm_iospace_update(MCPX_PMRegs *pm, uint32_t pm_io_base) {
|
|
MCPX_DPRINTF("PM: iospace update to 0x%x\n", pm_io_base);
|
|
|
|
//Disabled when 0
|
|
if (pm_io_base != 0) {
|
|
iorange_init(&pm->ioport, &mcpx_iorange_ops, pm_io_base, 256);
|
|
ioport_register(&pm->ioport);
|
|
}
|
|
}
|
|
|
|
void mcpx_pm_init(MCPX_PMRegs *pm/*, qemu_irq sci_irq*/) {
|
|
acpi_pm_tmr_init(&pm->acpi_regs, mcpx_pm_update_sci_gn);
|
|
acpi_pm1_cnt_init(&pm->acpi_regs);
|
|
//acpi_gpe_init(&pm->acpi_regs, ICH9_PMIO_GPE0_LEN);
|
|
|
|
//pm->irq = sci_irq;
|
|
} |