haraldwolff/qemu-patch-raspberry4
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apci: switch timer to memory api

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-11-22 12:12:30 +01:00
parent a29028214c
commit 77d58b1e47
5 changed files with 23 additions and 17 deletions
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19
hw/acpi.c
View file

@ -331,7 +331,7 @@ void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar)
ar->tmr.overflow_time = (d + 0x800000LL) & ~0x7fffffLL;
}
uint32_t acpi_pm_tmr_get(ACPIREGS *ar)
static uint32_t acpi_pm_tmr_get(ACPIREGS *ar)
{
uint32_t d = acpi_pm_tmr_get_clock();
return d & 0xffffff;
@ -344,10 +344,25 @@ static void acpi_pm_tmr_timer(void *opaque)
ar->tmr.update_sci(ar);
}
void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci)
static uint64_t acpi_pm_tmr_read(void *opaque, hwaddr addr, unsigned width)
{
return acpi_pm_tmr_get(opaque);
}
static const MemoryRegionOps acpi_pm_tmr_ops = {
.read = acpi_pm_tmr_read,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
.endianness = DEVICE_LITTLE_ENDIAN,
};
void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
MemoryRegion *parent)
{
ar->tmr.update_sci = update_sci;
ar->tmr.timer = qemu_new_timer_ns(vm_clock, acpi_pm_tmr_timer, ar);
memory_region_init_io(&ar->tmr.io, &acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
memory_region_add_subregion(parent, 8, &ar->tmr.io);
}
void acpi_pm_tmr_reset(ACPIREGS *ar)

5
hw/acpi.h
View file

@ -84,6 +84,7 @@ typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
struct ACPIPMTimer {
QEMUTimer *timer;
MemoryRegion io;
int64_t overflow_time;
acpi_update_sci_fn update_sci;
@ -119,8 +120,8 @@ struct ACPIREGS {
/* PM_TMR */
void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
uint32_t acpi_pm_tmr_get(ACPIREGS *ar);
void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci);
void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
MemoryRegion *parent);
void acpi_pm_tmr_reset(ACPIREGS *ar);
#include "qemu-timer.h"

5
hw/acpi_ich9.c
View file

@ -170,9 +170,6 @@ static uint32_t pm_ioport_readl(void *opaque, uint32_t addr)
uint32_t val;
switch (addr & ICH9_PMIO_MASK) {
case ICH9_PMIO_PM1_TMR:
val = acpi_pm_tmr_get(&pm->acpi_regs);
break;
case ICH9_PMIO_SMI_EN:
val = pm->smi_en;
break;
@ -320,7 +317,7 @@ void ich9_pm_init(ICH9LPCPMRegs *pm, qemu_irq sci_irq, qemu_irq cmos_s3)
memory_region_set_enabled(&pm->io, false);
memory_region_add_subregion(get_system_io(), 0, &pm->io);
acpi_pm_tmr_init(&pm->acpi_regs, ich9_pm_update_sci_fn);
acpi_pm_tmr_init(&pm->acpi_regs, ich9_pm_update_sci_fn, &pm->io);
acpi_pm1_cnt_init(&pm->acpi_regs);
acpi_gpe_init(&pm->acpi_regs, ICH9_PMIO_GPE0_LEN);
acpi_gpe_blk(&pm->acpi_regs, ICH9_PMIO_GPE0_STS);

5
hw/acpi_piix4.c
View file

@ -154,9 +154,6 @@ static uint64_t pm_ioport_read(void *opaque, hwaddr addr, unsigned width)
case 0x04:
val = s->ar.pm1.cnt.cnt;
break;
case 0x08:
val = acpi_pm_tmr_get(&s->ar);
break;
default:
val = 0;
break;
@ -463,7 +460,7 @@ static int piix4_pm_initfn(PCIDevice *dev)
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);
acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
acpi_gpe_init(&s->ar, GPE_LEN);
s->powerdown_notifier.notify = piix4_pm_powerdown_req;

6
hw/vt82c686.c
View file

@ -252,14 +252,10 @@ static void pm_ioport_writel(void *opaque, uint32_t addr, uint32_t 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->ar);
break;
default:
val = 0;
break;
@ -446,7 +442,7 @@ static int vt82c686b_pm_initfn(PCIDevice *dev)
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);
acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
acpi_pm1_cnt_init(&s->ar);
pm_smbus_init(&s->dev.qdev, &s->smb);