| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Imagination Technologies |
| * |
| * 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 <stdlib.h> |
| #include <string.h> |
| |
| #include <boardid.h> |
| #include <cbfs.h> |
| #include <console/console.h> |
| |
| #include "mainboard/google/urara/urara_boardid.h" |
| |
| /* Name of the CBFS file were the board ID string is read from. */ |
| #define CBFS_BOARD_ID_FILE_NAME "board_id" |
| |
| const struct bid_map { |
| const char *board_name; |
| uint8_t board_id; |
| struct board_hw hardware; |
| } board_id_map[] = { |
| {"urara", URARA_BOARD_ID_BUB, {0} }, |
| {"buranku", URARA_BOARD_ID_BURANKU, {3} }, |
| {"derwent", URARA_BOARD_ID_DERWENT, {3} }, |
| {"jaguar", URARA_BOARD_ID_JAGUAR, {3} }, |
| {"kennet", URARA_BOARD_ID_KENNET, {3} }, |
| {"space", URARA_BOARD_ID_SPACE, {3} }, |
| }; |
| |
| static int cached_board_id = -1; |
| |
| static uint8_t retrieve_board_id(void) |
| { |
| const char *board_id_file_name = CBFS_BOARD_ID_FILE_NAME; |
| char *file_contents; |
| int i; |
| size_t length; |
| |
| file_contents = cbfs_boot_map_with_leak(board_id_file_name, |
| CBFS_TYPE_RAW, &length); |
| |
| if (!file_contents) { |
| printk(BIOS_WARNING, |
| "board_id: failed to locate file '%s'\n", |
| board_id_file_name); |
| return 0; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(board_id_map); i++) { |
| const struct bid_map *entry = board_id_map + i; |
| |
| if ((strlen(entry->board_name) == length) && |
| !strncmp(entry->board_name, file_contents, length)) { |
| printk(BIOS_INFO, "board_id: name '%s', ID %d\n", |
| entry->board_name, entry->board_id); |
| return entry->board_id; |
| } |
| } |
| |
| printk(BIOS_WARNING, "board_id: no match for board name '%.*s'\n", |
| length, file_contents); |
| printk(BIOS_WARNING, "board_id: will use default board ID 0\n"); |
| |
| return 0; |
| } |
| |
| const struct board_hw *board_get_hw(void) |
| { |
| int i; |
| uint8_t bid = board_id(); |
| |
| for (i = 0; i < ARRAY_SIZE(board_id_map); i++) { |
| if (bid == board_id_map[i].board_id) |
| return &(board_id_map[i].hardware); |
| } |
| |
| return 0; |
| } |
| |
| uint8_t board_id(void) |
| { |
| if (cached_board_id == -1) |
| cached_board_id = retrieve_board_id(); |
| |
| return cached_board_id; |
| } |
| |