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(CONFIG_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 /* CONFIG_FLASH_CFI_DRIVER */