]> git.ipfire.org Git - people/ms/u-boot.git/blob - board/dave/B2/flash.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / board / dave / B2 / flash.c
1 /*
2 * (C) Copyright 2001
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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 #include <common.h>
25 #include <asm/hardware.h>
26
27 /*
28 * include common flash code (for esd boards)
29 */
30 #include "../common/flash.c"
31
32 /*-----------------------------------------------------------------------
33 * Functions
34 */
35 static ulong flash_get_size (vu_long * addr, flash_info_t * info);
36 static void flash_get_offsets (ulong base, flash_info_t * info);
37
38 /*-----------------------------------------------------------------------
39 */
40
41 unsigned long flash_init (void)
42 {
43 #ifdef __DEBUG_START_FROM_SRAM__
44 return CONFIG_SYS_DUMMY_FLASH_SIZE;
45 #else
46 unsigned long size_b0;
47 int i;
48
49 /* Init: no FLASHes known */
50 for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
51 flash_info[i].flash_id = FLASH_UNKNOWN;
52 }
53
54 /* Static FLASH Bank configuration here - FIXME XXX */
55
56 size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]);
57
58 if (flash_info[0].flash_id == FLASH_UNKNOWN) {
59 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
60 size_b0, size_b0<<20);
61 }
62
63 /* Setup offsets */
64 flash_get_offsets (0, &flash_info[0]);
65
66 /* Monitor protection ON by default */
67 (void)flash_protect(FLAG_PROTECT_SET,
68 -CONFIG_SYS_MONITOR_LEN,
69 0xffffffff,
70 &flash_info[0]);
71
72 flash_info[0].size = size_b0;
73
74 return (size_b0);
75 #endif
76 }