diff options
Diffstat (limited to 'src/mainboard/google/poppy/variants/nautilus/sku.c')
| -rw-r--r-- | src/mainboard/google/poppy/variants/nautilus/sku.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/google/poppy/variants/nautilus/sku.c b/src/mainboard/google/poppy/variants/nautilus/sku.c new file mode 100644 index 0000000000..55b118d847 --- /dev/null +++ b/src/mainboard/google/poppy/variants/nautilus/sku.c @@ -0,0 +1,43 @@ +/* + * 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; +} |