fadt.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <device/pci_ops.h>
#include <acpi/acpi.h>
#include <cpu/x86/smm.h>
#include <version.h>
#include <southbridge/intel/common/pmutil.h>
 
void acpi_fill_fadt(acpi_fadt_t *fadt)
{
        u16 pmbase = pci_read_config16(pcidev_on_root(0x1f, 0), 0x40) & 0xfffe;
 
        fadt->sci_int = 0x9;
 
        if (permanent_smi_handler()) {
                fadt->smi_cmd = APM_CNT;
                fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
                fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
        }
 
        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 = 16;
        fadt->p_lvl2_lat = 1;
        fadt->p_lvl3_lat = 0x39;
        fadt->duty_offset = 1;
        fadt->duty_width = 3;
        fadt->day_alrm = 0xd;
        fadt->mon_alrm = 0x00;
        fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE;
        fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
                        ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE |
                        ACPI_FADT_DOCKING_SUPPORTED | ACPI_FADT_PLATFORM_CLOCK;
 
        fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
        fadt->x_pm1a_evt_blk.bit_width = 32;
        fadt->x_pm1a_evt_blk.bit_offset = 0;
        fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
        fadt->x_pm1a_evt_blk.addrl = pmbase;
        fadt->x_pm1a_evt_blk.addrh = 0x0;
 
        fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
        fadt->x_pm1a_cnt_blk.bit_width = 16; /* Upper word is reserved and
                                                Linux complains about 32 bit. */
        fadt->x_pm1a_cnt_blk.bit_offset = 0;
        fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
        fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
        fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
        fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
        fadt->x_pm2_cnt_blk.bit_width = 8;
        fadt->x_pm2_cnt_blk.bit_offset = 0;
        fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
        fadt->x_pm2_cnt_blk.addrl = pmbase + PM2_CNT;
        fadt->x_pm2_cnt_blk.addrh = 0x0;
 
        fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
        fadt->x_pm_tmr_blk.bit_width = 32;
        fadt->x_pm_tmr_blk.bit_offset = 0;
        fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
        fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
        fadt->x_pm_tmr_blk.addrh = 0x0;
 
        fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
        fadt->x_gpe0_blk.bit_width = 128;
        fadt->x_gpe0_blk.bit_offset = 0;
        fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
        fadt->x_gpe0_blk.addrl = pmbase + GPE0_STS;
        fadt->x_gpe0_blk.addrh = 0x0;
}