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8d8f894b SR |
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 <ppc4xx.h>*/ | |
26 | #include <asm/processor.h> | |
27 | ||
28 | /* | |
29 | * include common flash code (for esd boards) | |
30 | */ | |
31 | #include "../common/flash.c" | |
32 | ||
33 | /*----------------------------------------------------------------------- | |
34 | * Functions | |
35 | */ | |
36 | static ulong flash_get_size (vu_long * addr, flash_info_t * info); | |
37 | static void flash_get_offsets (ulong base, flash_info_t * info); | |
38 | ||
39 | /*----------------------------------------------------------------------- | |
40 | */ | |
41 | ||
42 | unsigned long flash_init (void) | |
43 | { | |
44 | unsigned long size_b0; | |
45 | int i; | |
46 | ||
47 | /* Init: no FLASHes known */ | |
6d0f6bcf | 48 | for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
8d8f894b SR |
49 | flash_info[i].flash_id = FLASH_UNKNOWN; |
50 | } | |
51 | ||
52 | /* Static FLASH Bank configuration here - FIXME XXX */ | |
53 | ||
6d0f6bcf | 54 | size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]); |
8d8f894b SR |
55 | |
56 | if (flash_info[0].flash_id == FLASH_UNKNOWN) { | |
57 | printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", | |
58 | size_b0, size_b0<<20); | |
59 | } | |
60 | ||
61 | /* Setup offsets */ | |
62 | flash_get_offsets (-size_b0, &flash_info[0]); | |
63 | ||
64 | /* test-only: todo: Re-do sizing to get full correct info */ | |
65 | ||
66 | /* Monitor protection ON by default */ | |
67 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf JCPV |
68 | CONFIG_SYS_FLASH_BASE, |
69 | CONFIG_SYS_FLASH_BASE+CONFIG_SYS_MONITOR_LEN-1, | |
8d8f894b SR |
70 | &flash_info[0]); |
71 | ||
72 | flash_info[0].size = size_b0; | |
73 | ||
74 | return (size_b0); | |
75 | } |