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/*
* This file is part of the coreboot project.
*
* Copyright 2018 Google Inc.
*
* 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.
*/
#include <baseboard/variants.h>
#include <gpio.h>
#include <variant/sku.h>
uint32_t variant_board_sku(void)
{
#if ENV_ROMSTAGE
uint32_t sku_id = SKU_UNKNOWN;
#else
static uint32_t sku_id = SKU_UNKNOWN;
if (sku_id != SKU_UNKNOWN)
return sku_id;
#endif
/*
* Nautilus uses GPP_B20 to determine SKU
* 0 - Wifi SKU
* 1 - LTE SKU
*/
gpio_input_pulldown(GPP_B20);
if (!gpio_get(GPP_B20))
sku_id = SKU_0_NAUTILUS;
else
sku_id = SKU_1_NAUTILUS_LTE;
return sku_id;
}
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