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 <cpu/x86/smm.h>
   6 #include <version.h>
   7 #include <southbridge/intel/common/pmutil.h>
   8
   9 void acpi_fill_fadt(acpi_fadt_t *fadt)
  10 {
  11         u16 pmbase = pci_read_config16(pcidev_on_root(0x1f, 0), 0x40) & 0xfffe;
  12
  13         fadt->sci_int = 0x9;
  14
  15         if (permanent_smi_handler()) {
  16                 fadt->smi_cmd = APM_CNT;
  17                 fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
  18                 fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
  19         }
  20
  21         fadt->pm1a_evt_blk = pmbase;
  22         fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
  23         fadt->pm2_cnt_blk = pmbase + PM2_CNT;
  24         fadt->pm_tmr_blk = pmbase + PM1_TMR;
  25         fadt->gpe0_blk = pmbase + GPE0_STS;
  26
  27         fadt->pm1_evt_len = 4;
  28         fadt->pm1_cnt_len = 2; /* Upper word is reserved and
  29                                   Linux complains about 32 bit. */
  30         fadt->pm2_cnt_len = 1;
  31         fadt->pm_tmr_len = 4;
  32         fadt->gpe0_blk_len = 16;
  33         fadt->p_lvl2_lat = 1;
  34         fadt->p_lvl3_lat = 0x39;
  35         fadt->duty_offset = 1;
  36         fadt->duty_width = 3;
  37         fadt->day_alrm = 0xd;
  38         fadt->mon_alrm = 0x00;
  39         fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE;
  40         fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
  41                         ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE |
  42                         ACPI_FADT_DOCKING_SUPPORTED | ACPI_FADT_PLATFORM_CLOCK;
  43
  44         fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  45         fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
  46         fadt->x_pm1a_evt_blk.bit_offset = 0;
  47         fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
  48         fadt->x_pm1a_evt_blk.addrl = pmbase;
  49         fadt->x_pm1a_evt_blk.addrh = 0x0;
  50
  51         fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  52         fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
  53         fadt->x_pm1a_cnt_blk.bit_offset = 0;
  54         fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
  55         fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
  56         fadt->x_pm1a_cnt_blk.addrh = 0x0;
  57
  58         fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  59         fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
  60         fadt->x_pm2_cnt_blk.bit_offset = 0;
  61         fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
  62         fadt->x_pm2_cnt_blk.addrl = pmbase + PM2_CNT;
  63         fadt->x_pm2_cnt_blk.addrh = 0x0;
  64
  65         fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  66         fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
  67         fadt->x_pm_tmr_blk.bit_offset = 0;
  68         fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
  69         fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
  70         fadt->x_pm_tmr_blk.addrh = 0x0;
  71
  72         fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  73         fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
  74         fadt->x_gpe0_blk.bit_offset = 0;
  75         fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
  76         fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
  77         fadt->x_gpe0_blk.addrh = 0x0;
  78 }