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acpi: cleanup piix4 memory region

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Nothing left to do, everything handled by subregions,
we can zap the reaw/write handlers now.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-11-22 13:27:04 +01:00
parent b5a7c024d2
commit ca5d64b4b4
1 changed files with 1 additions and 40 deletions
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41
hw/acpi_piix4.c
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@ -110,45 +110,6 @@ static void pm_tmr_timer(ACPIREGS *ar)
pm_update_sci(s);
}
static void pm_ioport_write(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
if (width != 2) {
PIIX4_DPRINTF("PM write port=0x%04x width=%d val=0x%08x\n",
(unsigned)addr, width, (unsigned)val);
}
switch(addr) {
default:
break;
}
PIIX4_DPRINTF("PM writew port=0x%04x val=0x%04x\n", (unsigned int)addr,
(unsigned int)val);
}
static uint64_t pm_ioport_read(void *opaque, hwaddr addr, unsigned width)
{
uint32_t val;
switch(addr) {
default:
val = 0;
break;
}
PIIX4_DPRINTF("PM readw port=0x%04x val=0x%04x\n", (unsigned int)addr, val);
return val;
}
static const MemoryRegionOps pm_io_ops = {
.read = pm_ioport_read,
.write = pm_ioport_write,
.valid.min_access_size = 1,
.valid.max_access_size = 4,
.impl.min_access_size = 1,
.impl.max_access_size = 4,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void apm_ctrl_changed(uint32_t val, void *arg)
{
PIIX4PMState *s = arg;
@ -433,7 +394,7 @@ static int piix4_pm_initfn(PCIDevice *dev)
register_ioport_write(s->smb_io_base, 64, 1, smb_ioport_writeb, &s->smb);
register_ioport_read(s->smb_io_base, 64, 1, smb_ioport_readb, &s->smb);
memory_region_init_io(&s->io, &pm_io_ops, s, "piix4-pm", 64);
memory_region_init(&s->io, "piix4-pm", 64);
memory_region_set_enabled(&s->io, false);
memory_region_add_subregion(get_system_io(), 0, &s->io);