src/mainboard/google/samus/fadt.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007-2009 coresystems GmbH
   5  * Copyright (C) 2014 Google Inc.
   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; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.
  19  */
  20
  21 #include <string.h>
  22 #include <soc/acpi.h>
  23
  24 void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
  25 {
  26         acpi_header_t *header = &(fadt->header);
  27
  28         memset((void *) fadt, 0, sizeof(acpi_fadt_t));
  29         memcpy(header->signature, "FACP", 4);
  30         header->length = sizeof(acpi_fadt_t);
  31         header->revision = 5;
  32         memcpy(header->oem_id, OEM_ID, 6);
  33         memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
  34         memcpy(header->asl_compiler_id, ASLC, 4);
  35         header->asl_compiler_revision = 1;
  36
  37         fadt->firmware_ctrl = (unsigned long) facs;
  38         fadt->dsdt = (unsigned long) dsdt;
  39         fadt->model = 1;
  40         fadt->preferred_pm_profile = PM_MOBILE;
  41
  42         fadt->x_firmware_ctl_l = (unsigned long)facs;
  43         fadt->x_firmware_ctl_h = 0;
  44         fadt->x_dsdt_l = (unsigned long)dsdt;
  45         fadt->x_dsdt_h = 0;
  46
  47         acpi_fill_in_fadt(fadt);
  48
  49         header->checksum =
  50             acpi_checksum((void *) fadt, header->length);
  51 }