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Diffstat (limited to 'src/mainboard/google/veyron/boardid.c')
-rw-r--r-- | src/mainboard/google/veyron/boardid.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron/boardid.c b/src/mainboard/google/veyron/boardid.c new file mode 100644 index 0000000000..f7cddcc4fe --- /dev/null +++ b/src/mainboard/google/veyron/boardid.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include <boardid.h> +#include <console/console.h> +#include <gpio.h> +#include <stdlib.h> + +uint8_t board_id(void) +{ + static int id = -1; + static gpio_t pins[] = {[3] = GPIO(2, A, 7), [2] = GPIO(2, A, 2), + [1] = GPIO(2, A, 1), [0] = GPIO(2, A, 0)}; /* GPIO2_A0 is LSB */ + + if (id < 0) { + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + printk(BIOS_SPEW, "Board ID: %d.\n", id); + } + + return id; +} + +uint32_t ram_code(void) +{ + uint32_t code; + static gpio_t pins[] = {[3] = GPIO(8, A, 3), [2] = GPIO(8, A, 2), + [1] = GPIO(8, A, 1), [0] = GPIO(8, A, 0)}; /* GPIO8_A0 is LSB */ + + code = gpio_base2_value(pins, ARRAY_SIZE(pins)); + printk(BIOS_SPEW, "RAM Config: %u.\n", code); + + return code; +} |