source: SVN/rincon/u-boot/board/ssv/adnpesc1/flash.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.9 KB
Line 
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)
39#define UBOOTSECS ((CFG_MONITOR_LEN + CONFIG_ENV_SIZE) / SECTSZ)
40#define UBOOTAREA (UBOOTSECS * 64 * 1024)       /* monitor / env area */
41
42/*---------------------------------------------------------------------*/
43unsigned 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;
50        fli->sector_count = CFG_MAX_FLASH_SECT;
51        fli->flash_id = FLASH_MAN_AMD + FLASH_AMLV640U;
52
53        addr = CFG_FLASH_BASE;
54        for (i = 0; i < fli->sector_count; ++i) {
55                fli->start[i] = addr;
56                addr += SECTSZ;
57
58                /* Protect monitor / environment area */
59                if (addr <= (CFG_FLASH_BASE + UBOOTAREA))
60                        fli->protect[i] = 1;
61                else
62                        fli->protect[i] = 0;
63        }
64
65        return (BANKSZ);
66}
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