diff options
Diffstat (limited to 'firmware/drivers/nand_id.c')
-rw-r--r-- | firmware/drivers/nand_id.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/firmware/drivers/nand_id.c b/firmware/drivers/nand_id.c new file mode 100644 index 0000000000..ab10ecec07 --- /dev/null +++ b/firmware/drivers/nand_id.c | |||
@@ -0,0 +1,73 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2008 by Maurus Cuelenaere | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include <stdlib.h> | ||
23 | #include "nand_id.h" | ||
24 | |||
25 | struct nand_manufacturer | ||
26 | { | ||
27 | unsigned char id; | ||
28 | struct nand_info* info; | ||
29 | unsigned short total; | ||
30 | }; | ||
31 | |||
32 | /* { pages_per_block, blocks_per_bank, page_size, spare_size, col_cycles, row_cycles } */ | ||
33 | |||
34 | static const struct nand_info samsung[] = | ||
35 | { | ||
36 | /* K9K8G08UOM */ | ||
37 | {0xD3, 0x51, 64, 8192, 2048, 64, 2, 3}, | ||
38 | /* K9LAG08UOM */ | ||
39 | {0xD5, 0x55, 128, 8192, 2048, 64, 2, 3}, | ||
40 | /* K9LBG08UOM, K9HBG08U1M, K9MCG08U5M */ | ||
41 | {0xD7, 0x55, 128, 8192, 4096, 128, 2, 3}, | ||
42 | }; | ||
43 | |||
44 | #define M(id, x) {id, (struct nand_info*)x, (sizeof(x)/sizeof(struct nand_info))} | ||
45 | static const struct nand_manufacturer all[] = | ||
46 | { | ||
47 | M(0xEC, samsung), | ||
48 | }; | ||
49 | |||
50 | struct nand_info* nand_identify(unsigned char data[5]) | ||
51 | { | ||
52 | unsigned int i; | ||
53 | int found = -1; | ||
54 | for(i = 0; i < (sizeof(all)/sizeof(struct nand_manufacturer)); i++) | ||
55 | { | ||
56 | if(data[0] == all[i].id) | ||
57 | { | ||
58 | found = i; | ||
59 | break; | ||
60 | } | ||
61 | } | ||
62 | if(found < 0) | ||
63 | return NULL; | ||
64 | |||
65 | for(i = 0; i < all[found].total; i++) | ||
66 | { | ||
67 | if(data[1] == all[found].info[i].dev_id && | ||
68 | data[2] == all[found].info[i].dev_id2) | ||
69 | return &all[found].info[i]; | ||
70 | } | ||
71 | |||
72 | return NULL; | ||
73 | } | ||