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aaf224ab WD |
1 | /* |
2 | * (C) Copyright 2000-2004 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net> | |
6 | * Stephan Linz <linz@li-pro.net> | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | ||
28 | #include <common.h> | |
29 | #include <nios.h> | |
30 | ||
31 | /* | |
32 | * include common flash code (for ssv boards) | |
33 | */ | |
34 | #include "../common/flash.c" | |
35 | ||
36 | /*---------------------------------------------------------------------*/ | |
37 | #define BANKSZ (8 * 1024 * 1024) | |
38 | #define SECTSZ (64 * 1024) | |
6d0f6bcf | 39 | #define UBOOTSECS ((CONFIG_SYS_MONITOR_LEN + CONFIG_ENV_SIZE) / SECTSZ) |
aaf224ab WD |
40 | #define UBOOTAREA (UBOOTSECS * 64 * 1024) /* monitor / env area */ |
41 | ||
42 | /*---------------------------------------------------------------------*/ | |
43 | unsigned long flash_init (void) | |
44 | { | |
45 | int i; | |
46 | unsigned long addr; | |
47 | flash_info_t *fli = &flash_info[0]; | |
48 | ||
49 | fli->size = BANKSZ; | |
6d0f6bcf | 50 | fli->sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
aaf224ab WD |
51 | fli->flash_id = FLASH_MAN_AMD + FLASH_AMLV640U; |
52 | ||
6d0f6bcf | 53 | addr = CONFIG_SYS_FLASH_BASE; |
aaf224ab WD |
54 | for (i = 0; i < fli->sector_count; ++i) { |
55 | fli->start[i] = addr; | |
56 | addr += SECTSZ; | |
57 | ||
58 | /* Protect monitor / environment area */ | |
6d0f6bcf | 59 | if (addr <= (CONFIG_SYS_FLASH_BASE + UBOOTAREA)) |
aaf224ab WD |
60 | fli->protect[i] = 1; |
61 | else | |
62 | fli->protect[i] = 0; | |
63 | } | |
64 | ||
65 | return (BANKSZ); | |
66 | } |