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ich9: implement ACPI_EN register 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-06-23 07:49:16 +02:00
parent 9f34a35e00
commit 6d356c8c9e
1 changed files with 12 additions and 3 deletions
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15
hw/isa/lpc_ich9.c
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@ -394,10 +394,16 @@ static void ich9_apm_ctrl_changed(uint32_t val, void *arg)
/* config:PMBASE */
static void
ich9_lpc_pmbase_update(ICH9LPCState *lpc)
ich9_lpc_pmbase_sci_update(ICH9LPCState *lpc)
{
uint32_t pm_io_base = pci_get_long(lpc->d.config + ICH9_LPC_PMBASE);
pm_io_base &= ICH9_LPC_PMBASE_BASE_ADDRESS_MASK;
uint8_t acpi_cntl = pci_get_long(lpc->d.config + ICH9_LPC_ACPI_CTRL);
if (acpi_cntl & ICH9_LPC_ACPI_CTRL_ACPI_EN) {
pm_io_base &= ICH9_LPC_PMBASE_BASE_ADDRESS_MASK;
} else {
pm_io_base = 0;
}
ich9_pm_iospace_update(&lpc->pm, pm_io_base);
}
@ -449,7 +455,8 @@ static void ich9_lpc_config_write(PCIDevice *d,
uint32_t rcba_old = pci_get_long(d->config + ICH9_LPC_RCBA);
pci_default_write_config(d, addr, val, len);
if (ranges_overlap(addr, len, ICH9_LPC_PMBASE, 4)) {
if (ranges_overlap(addr, len, ICH9_LPC_PMBASE, 4) ||
ranges_overlap(addr, len, ICH9_LPC_ACPI_CTRL, 1)) {
ich9_lpc_pmbase_update(lpc);
}
if (ranges_overlap(addr, len, ICH9_LPC_RCBA, 4)) {
@ -610,6 +617,8 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp)
pci_set_long(d->wmask + ICH9_LPC_PMBASE,
ICH9_LPC_PMBASE_BASE_ADDRESS_MASK);
pci_set_byte(d->wmask + ICH9_LPC_PMBASE,
ICH9_LPC_ACPI_CTRL_ACPI_EN);
memory_region_init_io(&lpc->rcrb_mem, OBJECT(d), &rcrb_mmio_ops, lpc,
"lpc-rcrb-mmio", ICH9_CC_SIZE);