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 unsigned long base_b0
, base_b1
;
49 /* Init: no FLASHes known */
50 for (i
= 0; i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
) {
51 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
54 /* Static FLASH Bank configuration here - FIXME XXX */
56 base_b0
= FLASH_BASE0_PRELIM
;
57 size_b0
= flash_get_size ((vu_long
*) base_b0
, &flash_info
[0]);
59 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
) {
60 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
61 size_b0
, size_b0
<< 20);
64 base_b1
= FLASH_BASE1_PRELIM
;
65 size_b1
= flash_get_size ((vu_long
*) base_b1
, &flash_info
[1]);
67 /* Re-do sizing to get full correct info */
70 mtdcr (ebccfga
, pb0cr
);
71 pbcr
= mfdcr (ebccfgd
);
72 mtdcr (ebccfga
, pb0cr
);
74 pbcr
= (pbcr
& 0x0001ffff) | base_b1
|
75 (((size_b1
/ 1024 / 1024) - 1) << 17);
76 mtdcr (ebccfgd
, pbcr
);
77 /* printf("pb1cr = %x\n", pbcr); */
81 mtdcr (ebccfga
, pb1cr
);
82 pbcr
= mfdcr (ebccfgd
);
83 mtdcr (ebccfga
, pb1cr
);
84 base_b0
= base_b1
- size_b0
;
85 pbcr
= (pbcr
& 0x0001ffff) | base_b0
|
86 (((size_b0
/ 1024 / 1024) - 1) << 17);
87 mtdcr (ebccfgd
, pbcr
);
88 /* printf("pb0cr = %x\n", pbcr); */
91 size_b0
= flash_get_size ((vu_long
*) base_b0
, &flash_info
[0]);
93 flash_get_offsets (base_b0
, &flash_info
[0]);
95 /* monitor protection ON by default */
96 flash_protect (FLAG_PROTECT_SET
,
97 base_b0
+ size_b0
- monitor_flash_len
,
98 base_b0
+ size_b0
- 1, &flash_info
[0]);
101 /* Re-do sizing to get full correct info */
102 size_b1
= flash_get_size ((vu_long
*) base_b1
, &flash_info
[1]);
104 flash_get_offsets (base_b1
, &flash_info
[1]);
106 /* monitor protection ON by default */
107 flash_protect (FLAG_PROTECT_SET
,
108 base_b1
+ size_b1
- monitor_flash_len
,
109 base_b1
+ size_b1
- 1, &flash_info
[1]);
110 /* monitor protection OFF by default (one is enough) */
111 flash_protect (FLAG_PROTECT_CLEAR
,
112 base_b0
+ size_b0
- monitor_flash_len
,
113 base_b0
+ size_b0
- 1, &flash_info
[0]);
115 flash_info
[1].flash_id
= FLASH_UNKNOWN
;
116 flash_info
[1].sector_count
= -1;
119 flash_info
[0].size
= size_b0
;
120 flash_info
[1].size
= size_b1
;
122 return (size_b0
+ size_b1
);