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 #ifdef __DEBUG_START_FROM_SRAM__
45 return CONFIG_SYS_DUMMY_FLASH_SIZE
;
53 debug("[%s, %d] Entering ...\n", __FUNCTION__
, __LINE__
);
54 debug("[%s, %d] flash_info = 0x%08X ...\n", __FUNCTION__
, __LINE__
, flash_info
);
56 /* Init: no FLASHes known */
57 for (i
=0; i
<CONFIG_SYS_MAX_FLASH_BANKS
; ++i
) {
58 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
61 /* Static FLASH Bank configuration here - FIXME XXX */
63 debug("[%s, %d] Calling flash_get_size ...\n", __FUNCTION__
, __LINE__
);
64 size
= flash_get_size((vu_long
*)FLASH_BASE0_PRELIM
, &flash_info
[0]);
66 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
) {
67 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
71 debug("[%s, %d] Test point ...\n", __FUNCTION__
, __LINE__
);
74 flash_get_offsets (-size
, &flash_info
[0]);
75 debug("[%s, %d] Test point ...\n", __FUNCTION__
, __LINE__
);
77 /* Re-do sizing to get full correct info */
78 mtdcr(ebccfga
, pb0cr
);
79 pbcr
= mfdcr(ebccfgd
);
80 mtdcr(ebccfga
, pb0cr
);
99 pbcr
= (pbcr
& 0x0001ffff) | base
| (size_val
<< 17);
100 mtdcr(ebccfgd
, pbcr
);
101 debug("[%s, %d] Test point ...\n", __FUNCTION__
, __LINE__
);
103 /* Monitor protection ON by default */
104 (void)flash_protect(FLAG_PROTECT_SET
,
105 -CONFIG_SYS_MONITOR_LEN
,
109 debug("[%s, %d] Test point ...\n", __FUNCTION__
, __LINE__
);
110 flash_info
[0].size
= size
;