src/southbridge/intel/i82801gx/fadt.c

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

#include <device/pci_ops.h>
#include <acpi/acpi.h>
#include <southbridge/intel/common/pmbase.h>
#include "i82801gx.h"
#include "chip.h"

void acpi_fill_fadt(acpi_fadt_t *fadt)
{
	struct device *dev = pcidev_on_root(0x1f, 0);
	struct southbridge_intel_i82801gx_config *chip = dev->chip_info;
	u16 pmbase = lpc_get_pmbase();


	fadt->pm1a_evt_blk = pmbase;
	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
	fadt->pm_tmr_blk = pmbase + PM1_TMR;
	fadt->gpe0_blk = pmbase + GPE0_STS;

	fadt->pm1_evt_len = 4;
	fadt->pm1_cnt_len = 2; /* Upper word is reserved and
				  Linux complains about 32 bit. */
	fadt->pm2_cnt_len = 1;
	fadt->pm_tmr_len = 4;
	fadt->gpe0_blk_len = 8;
	fadt->p_lvl2_lat = 1;
	fadt->p_lvl3_lat = chip->c3_latency;
	fadt->duty_offset = 1;
	if (chip->p_cnt_throttling_supported)
		fadt->duty_width = 3;
	else
		fadt->duty_width = 0;

	fill_fadt_extended_pm_io(fadt);

	fadt->iapc_boot_arch = ACPI_FADT_8042 | ACPI_FADT_LEGACY_DEVICES;
	fadt->flags |= (ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED
		       | ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE
		       | ACPI_FADT_PLATFORM_CLOCK | ACPI_FADT_C2_MP_SUPPORTED);

	if (chip->docking_supported)
		fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED;
}