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ich9: implement SCI_IRQ_SEL register

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-06-23 07:54:22 +02:00
parent 6d356c8c9e
commit 8f242cb724
2 changed files with 19 additions and 10 deletions
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28
hw/isa/lpc_ich9.c
View file

@ -49,8 +49,6 @@
#include "sysemu/sysemu.h"
#include "qom/cpu.h"
static int ich9_lpc_sci_irq(ICH9LPCState *lpc);
/*****************************************************************************/
/* ICH9 LPC PCI to ISA bridge */
@ -221,7 +219,7 @@ static void ich9_lpc_update_pic(ICH9LPCState *lpc, int gsi)
pic_level |= pci_bus_get_irq_level(lpc->d.bus, i);
}
}
if (gsi == ich9_lpc_sci_irq(lpc)) {
if (gsi == lpc->sci_gsi) {
pic_level |= lpc->sci_level;
}
@ -247,7 +245,7 @@ static void ich9_lpc_update_apic(ICH9LPCState *lpc, int gsi)
assert(gsi >= ICH9_LPC_PIC_NUM_PINS);
level |= pci_bus_get_irq_level(lpc->d.bus, ich9_gsi_to_pirq(gsi));
if (gsi == ich9_lpc_sci_irq(lpc)) {
if (gsi == lpc->sci_gsi) {
level |= lpc->sci_level;
}
@ -350,7 +348,7 @@ static void ich9_set_sci(void *opaque, int irq_num, int level)
}
lpc->sci_level = level;
irq = ich9_lpc_sci_irq(lpc);
irq = lpc->sci_gsi;
if (irq < 0) {
return;
}
@ -398,6 +396,7 @@ ich9_lpc_pmbase_sci_update(ICH9LPCState *lpc)
{
uint32_t pm_io_base = pci_get_long(lpc->d.config + ICH9_LPC_PMBASE);
uint8_t acpi_cntl = pci_get_long(lpc->d.config + ICH9_LPC_ACPI_CTRL);
uint8_t new_gsi;
if (acpi_cntl & ICH9_LPC_ACPI_CTRL_ACPI_EN) {
pm_io_base &= ICH9_LPC_PMBASE_BASE_ADDRESS_MASK;
@ -406,6 +405,14 @@ ich9_lpc_pmbase_sci_update(ICH9LPCState *lpc)
}
ich9_pm_iospace_update(&lpc->pm, pm_io_base);
new_gsi = ich9_lpc_sci_irq(lpc);
if (lpc->sci_level && new_gsi != lpc->sci_gsi) {
qemu_set_irq(lpc->pm.irq, 0);
lpc->sci_gsi = new_gsi;
qemu_set_irq(lpc->pm.irq, 1);
}
lpc->sci_gsi = new_gsi;
}
/* config:RCBA */
@ -442,7 +449,7 @@ static int ich9_lpc_post_load(void *opaque, int version_id)
{
ICH9LPCState *lpc = opaque;
ich9_lpc_pmbase_update(lpc);
ich9_lpc_pmbase_sci_update(lpc);
ich9_lpc_rcba_update(lpc, 0 /* disabled ICH9_LPC_RCBA_EN */);
ich9_lpc_pmcon_update(lpc);
return 0;
@ -457,7 +464,7 @@ static void ich9_lpc_config_write(PCIDevice *d,
pci_default_write_config(d, addr, val, len);
if (ranges_overlap(addr, len, ICH9_LPC_PMBASE, 4) ||
ranges_overlap(addr, len, ICH9_LPC_ACPI_CTRL, 1)) {
ich9_lpc_pmbase_update(lpc);
ich9_lpc_pmbase_sci_update(lpc);
}
if (ranges_overlap(addr, len, ICH9_LPC_RCBA, 4)) {
ich9_lpc_rcba_update(lpc, rcba_old);
@ -495,7 +502,7 @@ static void ich9_lpc_reset(DeviceState *qdev)
ich9_cc_reset(lpc);
ich9_lpc_pmbase_update(lpc);
ich9_lpc_pmbase_sci_update(lpc);
ich9_lpc_rcba_update(lpc, rcba_old);
lpc->sci_level = 0;
@ -575,7 +582,7 @@ static void ich9_lpc_get_sci_int(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
ICH9LPCState *lpc = ICH9_LPC_DEVICE(obj);
uint32_t value = ich9_lpc_sci_irq(lpc);
uint32_t value = lpc->sci_gsi;
visit_type_uint32(v, name, &value, errp);
}
@ -618,7 +625,8 @@ 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);
ICH9_LPC_ACPI_CTRL_ACPI_EN |
ICH9_LPC_ACPI_CTRL_SCI_IRQ_SEL_MASK);
memory_region_init_io(&lpc->rcrb_mem, OBJECT(d), &rcrb_mmio_ops, lpc,
"lpc-rcrb-mmio", ICH9_CC_SIZE);

1
include/hw/i386/ich9.h
View file

@ -45,6 +45,7 @@ typedef struct ICH9LPCState {
APMState apm;
ICH9LPCPMRegs pm;
uint32_t sci_level; /* track sci level */
uint8_t sci_gsi;
/* 2.24 Pin Straps */
struct {