src/mainboard/intel/apollolake_rvp/acpi_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2016 Intel Corp.
   5  * (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.)
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #include <string.h>
  14 #include <soc/acpi.h>
  15
  16 void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
  17 {
  18         acpi_header_t *header = &(fadt->header);
  19
  20         memset(fadt, 0, sizeof(acpi_fadt_t));
  21         memcpy(header->signature, "FACP", 4);
  22         header->length = sizeof(acpi_fadt_t);
  23         header->revision = 5;   /* Major Revision of ACPI5.0 */
  24         memcpy(header->oem_id, OEM_ID, 6);
  25         memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
  26         memcpy(header->asl_compiler_id, ASLC, 4);
  27         header->asl_compiler_revision = 20150717;       /* iASL verison */
  28
  29         fadt->firmware_ctrl = (uintptr_t)facs;
  30         fadt->dsdt = (uintptr_t)dsdt;
  31         fadt->model = 1;        /* compatibilty with ACPI1.0 */
  32         fadt->preferred_pm_profile = PM_MOBILE;
  33
  34         fadt->x_firmware_ctl_l = (uintptr_t)facs;
  35         fadt->x_firmware_ctl_h = 0;     /* 32bit physical address */
  36         fadt->x_dsdt_l = (uintptr_t)dsdt;
  37         fadt->x_dsdt_h = 0;     /* 32bit physical address */
  38
  39         soc_fill_common_fadt(fadt);
  40
  41         header->checksum = acpi_checksum((void *)fadt, header->length);
  42 }