/* Map a PCI IRQ routing entry to a given vector with specified CPU
* destination mask, destination mode, and delivery mode. */
extern bool
pci_irq_map (pci_irq_t *irq, uint8 vector,
uint8 destmask,
IOAPIC_destination_mode_t destmode,
IOAPIC_delivery_mode_t delivmode)
{
uint64 flags = (uint64) vector;
flags |= ((uint64) destmask) << 56;
flags |= (uint64) destmode;
flags |= (uint64) delivmode;
if (irq->polarity == POLARITY_LOW ||
(irq->polarity == POLARITY_DEFAULT && PCI_DEFAULT_POLARITY == POLARITY_LOW))
flags |= (uint64) IOAPIC_POLARITY_LOW;
else
flags |= (uint64) IOAPIC_POLARITY_HIGH;
if (irq->trigger == TRIGGER_LEVEL ||
(irq->trigger == TRIGGER_DEFAULT && PCI_DEFAULT_TRIGGER == TRIGGER_LEVEL))
flags |= (uint64) IOAPIC_TRIGGER_LEVEL;
else
flags |= (uint64) IOAPIC_TRIGGER_EDGE;
return IOAPIC_map_GSI (irq->gsi, vector, flags) >= 0;
}
/* Unmap given PCI IRQ routing entry */
extern bool
pci_irq_unmap (pci_irq_t *irq)
{
return IOAPIC_map_GSI (irq->gsi, 0, 0x0000000000010000LL) >= 0;
}
void
acpi_secondary_init(void)
{
ACPI_STATUS Status;
ACPI_STATUS DisplayOneDevice (ACPI_HANDLE, UINT32, void *, void **);
/* Complete the ACPICA initialization sequence */
Status = AcpiInitializeSubsystem ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed to initialize ACPI.\n");
}
Status = AcpiReallocateRootTable ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiReallocateRootTable %d.\n", Status);
}
Status = AcpiLoadTables ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiLoadTables.\n");
}
Status = AcpiEnableSubsystem (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiEnableSubsystem.\n");
}
Status = AcpiInitializeObjects (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiInitializeObjects.\n");
}
/* Must enable IOAPIC before checking any PCI routing tables. */
acpi_enable_IOAPIC ();
/* Install System Control Interrupt */
u8 vector = find_unused_vector (MINIMUM_VECTOR_PRIORITY);
if (vector) {
u64 flags = IOAPIC_DELIVERY_FIXED | IOAPIC_DESTINATION_LOGICAL;
u8 gsi = acpi_sci_irq;
/* SCI defaults to LEVEL/LOW in IO-APIC mode. */
if ((acpi_sci_flags & ACPI_MADT_POLARITY_MASK) == ACPI_MADT_POLARITY_ACTIVE_HIGH)
flags |= IOAPIC_POLARITY_HIGH;
else
flags |= IOAPIC_POLARITY_LOW;
if ((acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) == ACPI_MADT_TRIGGER_EDGE)
flags |= IOAPIC_TRIGGER_EDGE;
else
flags |= IOAPIC_TRIGGER_LEVEL;
if (IOAPIC_map_GSI (gsi, vector, 0x0100000000000000ULL | flags) != -1) {
set_vector_handler (vector, acpi_irq_handler);
DLOG ("ACPI: mapped GSI 0x%X to vector 0x%X (%s, %s)\n",
gsi, vector,
flags & IOAPIC_TRIGGER_LEVEL ? "level" : "edge",
flags & IOAPIC_POLARITY_LOW ? "low" : "high");
} else
DLOG ("ACPI: failed to map GSI\n");
} else
DLOG ("ACPI: failed to find unused vector\n");
DLOG ("AcpiEnableEvent returned %d\n",
AcpiEnableEvent (ACPI_EVENT_POWER_BUTTON, 0));
DLOG ("AcpiInstallFixedEventHandler returned %d\n",
AcpiInstallFixedEventHandler (ACPI_EVENT_POWER_BUTTON, acpi_power_button, NULL));
DLOG ("AcpiInstallNotifyHandler returned %d\n",
AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY, acpi_notify_handler, NULL));
DLOG ("AcpiInstallNotifyHandler returned %d\n",
AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY, acpi_notify_handler, NULL));
extern u8 AcpiGbl_OsiData;
AcpiGbl_OsiData=0;
/* Walk the System Bus "\_SB_" and output info about each object
* found. */
#if 0
ACPI_HANDLE SysBusHandle;
AcpiGetHandle (ACPI_ROOT_OBJECT, ACPI_NS_SYSTEM_BUS, &SysBusHandle);
AcpiWalkNamespace (ACPI_TYPE_ANY, SysBusHandle, INT_MAX,
DisplayOneDevice, NULL, NULL);
#else
AcpiGetDevices (NULL, DisplayOneDevice, NULL, NULL);
#endif
}
