1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* 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., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdlib.h>
#include <string.h>
#include <boardid.h>
#include <cbfs_core.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;
} board_id_map[] = {
{"urara", URARA_BOARD_ID_BUB},
{"buranku", URARA_BOARD_ID_BURANKU},
{"derwent", URARA_BOARD_ID_DERWENT},
{"jaguar", URARA_BOARD_ID_JAGUAR},
{"kennet", URARA_BOARD_ID_KENNET},
{"space", URARA_BOARD_ID_SPACE},
};
static int cached_board_id = -1;
static uint8_t retrieve_board_id(void)
{
struct cbfs_file *board_id_file;
const char *board_id_file_name = CBFS_BOARD_ID_FILE_NAME;
char *file_contents;
int i;
unsigned length;
board_id_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, board_id_file_name);
if (!board_id_file) {
printk(BIOS_WARNING,
"board_id: failed to locate file '%s'\n",
board_id_file_name);
return 0;
}
length = be32_to_cpu(board_id_file->len);
file_contents = cbfs_get_file_content(CBFS_DEFAULT_MEDIA,
board_id_file_name,
CBFS_TYPE_RAW, NULL);
if (!file_contents) {
printk(BIOS_WARNING, "board_id: failed to read 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;
}
uint8_t board_id(void)
{
if (cached_board_id == -1)
cached_board_id = retrieve_board_id();
return cached_board_id;
}
|
