3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #include <asm/processor.h>
29 * include common flash code (for esd boards)
31 #include "../common/flash.c"
33 /*-----------------------------------------------------------------------
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
);
39 /*-----------------------------------------------------------------------
42 unsigned long flash_init (void)
44 unsigned long size_b0
, size_b1
;
47 /* Init: no FLASHes known */
48 for (i
=0; i
<CONFIG_SYS_MAX_FLASH_BANKS
; ++i
) {
49 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
52 size_b0
= flash_get_size((vu_long
*)FLASH_BASE0_PRELIM
, &flash_info
[0]);
54 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
) {
55 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
56 size_b0
, size_b0
<<20);
59 size_b1
= flash_get_size((vu_long
*)FLASH_BASE1_PRELIM
, &flash_info
[1]);
61 if (size_b1
> size_b0
) {
63 "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",
67 flash_info
[0].flash_id
= FLASH_UNKNOWN
;
68 flash_info
[1].flash_id
= FLASH_UNKNOWN
;
69 flash_info
[0].sector_count
= -1;
70 flash_info
[1].sector_count
= -1;
71 flash_info
[0].size
= 0;
72 flash_info
[1].size
= 0;
76 /* Re-do sizing to get full correct info */
77 size_b0
= flash_get_size((vu_long
*)FLASH_BASE0_PRELIM
, &flash_info
[0]);
79 flash_get_offsets (FLASH_BASE0_PRELIM
, &flash_info
[0]);
81 /* monitor protection ON by default */
82 flash_protect(FLAG_PROTECT_SET
,
83 FLASH_BASE0_PRELIM
+size_b0
-monitor_flash_len
,
84 FLASH_BASE0_PRELIM
+size_b0
-1,
88 /* Re-do sizing to get full correct info */
89 size_b1
= flash_get_size((vu_long
*)(FLASH_BASE0_PRELIM
+ size_b0
),
92 flash_get_offsets (FLASH_BASE0_PRELIM
+ size_b0
, &flash_info
[1]);
94 /* monitor protection ON by default */
95 flash_protect(FLAG_PROTECT_SET
,
96 FLASH_BASE0_PRELIM
+size_b0
+size_b1
-monitor_flash_len
,
97 FLASH_BASE0_PRELIM
+size_b0
+size_b1
-1,
99 /* monitor protection OFF by default (one is enough) */
100 flash_protect(FLAG_PROTECT_CLEAR
,
101 FLASH_BASE0_PRELIM
+size_b0
-monitor_flash_len
,
102 FLASH_BASE0_PRELIM
+size_b0
-1,
105 flash_info
[1].flash_id
= FLASH_UNKNOWN
;
106 flash_info
[1].sector_count
= -1;
109 flash_info
[0].size
= size_b0
;
110 flash_info
[1].size
= size_b1
;
112 return (size_b0
+ size_b1
);