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c935d3bd WD |
1 | /* |
2 | * (C) Copyright 2000-2004 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | ||
25 | #include <common.h> | |
26 | #include <nios.h> | |
27 | ||
28 | /* | |
29 | * include common flash code (for altera boards) | |
30 | */ | |
31 | #include "../common/flash.c" | |
32 | ||
33 | /*---------------------------------------------------------------------*/ | |
34 | #define BANKSZ (8 * 1024 * 1024) | |
35 | #define SECTSZ (64 * 1024) | |
36 | #define USERFLASH (2 * 1024 * 1024) /* bottom 2 MB for user */ | |
37 | ||
38 | /*---------------------------------------------------------------------*/ | |
39 | unsigned long flash_init (void) | |
40 | { | |
41 | int i; | |
42 | unsigned long addr; | |
43 | flash_info_t *fli = &flash_info[0]; | |
44 | ||
45 | fli->size = BANKSZ; | |
6d0f6bcf | 46 | fli->sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
c935d3bd WD |
47 | fli->flash_id = FLASH_MAN_AMD + FLASH_AMDLV065D; |
48 | ||
6d0f6bcf | 49 | addr = CONFIG_SYS_FLASH_BASE; |
c935d3bd WD |
50 | for (i = 0; i < fli->sector_count; ++i) { |
51 | fli->start[i] = addr; | |
52 | addr += SECTSZ; | |
53 | ||
54 | /* Protect all but 2 MByte user area */ | |
6d0f6bcf | 55 | if (addr < (CONFIG_SYS_FLASH_BASE + USERFLASH)) |
c935d3bd WD |
56 | fli->protect[i] = 0; |
57 | else | |
58 | fli->protect[i] = 1; | |
59 | } | |
60 | ||
61 | return (BANKSZ); | |
62 | } |