src/southbridge/intel/i82801ix/fadt.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/pci_ops.h>
   4 #include <acpi/acpi.h>
   5 #include <southbridge/intel/common/pmutil.h>
   6
   7 void acpi_fill_fadt(acpi_fadt_t *fadt)
   8 {
   9         u16 pmbase = pci_read_config16(pcidev_on_root(0x1f, 0), 0x40) & 0xfffe;
  10
  11
  12         fadt->pm1a_evt_blk = pmbase;
  13         fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
  14         fadt->pm2_cnt_blk = pmbase + PM2_CNT;
  15         fadt->pm_tmr_blk = pmbase + PM1_TMR;
  16         fadt->gpe0_blk = pmbase + GPE0_STS;
  17
  18         fadt->pm1_evt_len = 4;
  19         fadt->pm1_cnt_len = 2; /* Upper word is reserved and
  20                                   Linux complains about 32 bit. */
  21         fadt->pm2_cnt_len = 1;
  22         fadt->pm_tmr_len = 4;
  23         fadt->gpe0_blk_len = 16;
  24         fadt->p_lvl2_lat = 1;
  25         fadt->p_lvl3_lat = 0x39;
  26         fadt->duty_offset = 1;
  27         fadt->duty_width = 3;
  28
  29         fill_fadt_extended_pm_io(fadt);
  30
  31         fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE;
  32         fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
  33                         ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE |
  34                         ACPI_FADT_DOCKING_SUPPORTED | ACPI_FADT_PLATFORM_CLOCK;
  35 }