src/southbridge/intel/bd82x6x/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 #include "chip.h"
   7
   8 void acpi_fill_fadt(acpi_fadt_t *fadt)
   9 {
  10         struct device *dev = pcidev_on_root(0x1f, 0);
  11         struct southbridge_intel_bd82x6x_config *chip = dev->chip_info;
  12         u16 pmbase = pci_read_config16(dev, 0x40) & 0xfffe;
  13
  14
  15         fadt->pm1a_evt_blk = pmbase;
  16         fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
  17         fadt->pm2_cnt_blk = pmbase + PM2_CNT;
  18         fadt->pm_tmr_blk = pmbase + PM1_TMR;
  19         fadt->gpe0_blk = pmbase + GPE0_STS;
  20
  21         fadt->pm1_evt_len = 4;
  22         fadt->pm1_cnt_len = 2;
  23         fadt->pm2_cnt_len = 1;
  24         fadt->pm_tmr_len = 4;
  25         fadt->gpe0_blk_len = 16;
  26
  27         fill_fadt_extended_pm_io(fadt);
  28
  29         fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
  30
  31         fadt->flags |= ACPI_FADT_WBINVD |
  32                         ACPI_FADT_C1_SUPPORTED |
  33                         ACPI_FADT_SLEEP_BUTTON |
  34                         ACPI_FADT_SEALED_CASE |
  35                         ACPI_FADT_S4_RTC_WAKE |
  36                         ACPI_FADT_PLATFORM_CLOCK;
  37
  38         if (chip->docking_supported) {
  39                 fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED;
  40         }
  41 }