src/soc/intel/broadwell/pch/acpi.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <arch/ioapic.h>
#include <arch/smp/mpspec.h>
#include <device/pci_ops.h>
#include <console/console.h>
#include <types.h>
#include <string.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include <cpu/intel/turbo.h>
#include <soc/acpi.h>
#include <soc/iomap.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/systemagent.h>
#include <soc/intel/broadwell/chip.h>

unsigned long acpi_fill_madt(unsigned long current)
{
	int sci = 9;
	acpi_madt_irqoverride_t *irqovr;
	uint16_t flags = MP_IRQ_TRIGGER_LEVEL;

	/* Local APICs */
	current = acpi_create_madt_lapics(current);

	/* IOAPIC */
	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 2, IO_APIC_ADDR, 0);

	/* INT_SRC_OVR */
	irqovr = (void *)current;
	current += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);

	if (sci >= 20)
		flags |= MP_IRQ_POLARITY_LOW;
	else
		flags |= MP_IRQ_POLARITY_HIGH;

	/* SCI */
	irqovr = (void *)current;
	current += acpi_create_madt_irqoverride(irqovr, 0, sci, sci, flags);

	return current;
}