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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Google Inc.
* Copyright (C) 2016 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* This method is used by the Intel wireless kernel drivers to determine
* the proper country code for regulatory domain configuration.
*
* It requires an NVS field called CID1 to be present that provides the
* ISO-3166-2 alpha-2 country code.
*/
Method (WRDD, 0, Serialized)
{
Name (WRDX, Package () {
0, /* Revision */
Package () {
0x00000007, /* Domain Type, 0x7:WiFi */
0x00000000, /* No Default Country Identifier */
}
})
/* Replace Country Identifier with value from NVS */
Store (\CID1, Index (DeRefOf (Index (WRDX, 1)), 1))
Return (WRDX)
}
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