src/southbridge/intel/i82801dx/fadt.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <cpu/x86/smm.h>
   5 #include <device/pci_ops.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         fadt->sci_int = 0x9;
  12
  13         if (permanent_smi_handler()) {
  14                 fadt->smi_cmd = APM_CNT;
  15                 fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
  16                 fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
  17         }
  18
  19         fadt->pm1a_evt_blk = pmbase;
  20         fadt->pm1a_cnt_blk = pmbase + 0x4;
  21         fadt->pm_tmr_blk = pmbase + 0x8;
  22         fadt->gpe0_blk = pmbase + 0x28;
  23
  24         fadt->pm1_evt_len = 4;
  25         fadt->pm1_cnt_len = 2;
  26         fadt->pm_tmr_len = 4;
  27         fadt->gpe0_blk_len = 8;
  28         fadt->p_lvl2_lat = 1;
  29         fadt->p_lvl3_lat = 85;
  30         fadt->duty_offset = 1;
  31         fadt->duty_width = 0;
  32         fadt->day_alrm = 0xd;
  33         fadt->mon_alrm = 0x00;
  34         fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
  35
  36         fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
  37                         ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
  38                         ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
  39
  40         fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  41         fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
  42         fadt->x_pm1a_evt_blk.bit_offset = 0;
  43         fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
  44         fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
  45         fadt->x_pm1a_evt_blk.addrh = 0x0;
  46
  47         fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  48         fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
  49         fadt->x_pm1a_cnt_blk.bit_offset = 0;
  50         fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
  51         fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
  52         fadt->x_pm1a_cnt_blk.addrh = 0x0;
  53
  54         fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  55         fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
  56         fadt->x_pm_tmr_blk.bit_offset = 0;
  57         fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
  58         fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
  59         fadt->x_pm_tmr_blk.addrh = 0x0;
  60
  61         fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  62         fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
  63         fadt->x_gpe0_blk.bit_offset = 0;
  64         fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
  65         fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
  66         fadt->x_gpe0_blk.addrh = 0x0;
  67 }