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git.ipfire.org Git - people/ms/u-boot.git/blob - board/prodrive/pdnb3/flash.c
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
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,
25 #include <asm/arch/ixp425.h>
27 #if !defined(CFG_FLASH_CFI_DRIVER)
30 * include common flash code (for esd boards)
32 #include "../common/flash.c"
37 static ulong
flash_get_size (vu_long
* addr
, flash_info_t
* info
);
39 static inline ulong
ld(ulong x
)
49 unsigned long flash_init(void)
54 /* Init: no FLASHes known */
55 for (i
=0; i
<CFG_MAX_FLASH_BANKS
; i
++)
56 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
58 size
= flash_get_size((vu_long
*)FLASH_BASE0_PRELIM
, &flash_info
[0]);
60 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
)
61 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
64 /* Reconfigure CS0 to actual FLASH size */
65 *IXP425_EXP_CS0
= (*IXP425_EXP_CS0
& ~0x00003C00) | ((ld(size
) - 9) << 10);
67 /* Monitor protection ON by default */
68 flash_protect(FLAG_PROTECT_SET
,
69 CFG_MONITOR_BASE
, CFG_MONITOR_BASE
+ monitor_flash_len
- 1,
70 &flash_info
[CFG_MAX_FLASH_BANKS
- 1]);
72 /* Environment protection ON by default */
73 flash_protect(FLAG_PROTECT_SET
,
75 CFG_ENV_ADDR
+ CFG_ENV_SECT_SIZE
- 1,
76 &flash_info
[CFG_MAX_FLASH_BANKS
- 1]);
78 /* Redundant environment protection ON by default */
79 flash_protect(FLAG_PROTECT_SET
,
81 CFG_ENV_ADDR_REDUND
+ CFG_ENV_SIZE_REDUND
- 1,
82 &flash_info
[CFG_MAX_FLASH_BANKS
- 1]);
84 flash_info
[0].size
= size
;
89 #endif /* CFG_FLASH_CFI_DRIVER */