u-boot/board/prodrive/alpr/flash.c
Stefan Roese 5bc528fa4d Update ALPR code (NAND support working now)
Patch by Stefan Roese, 07 Oct 2006
2006-10-07 11:35:25 +02:00

70 lines
2 KiB
C

/*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
/*
* include common flash code (for esd boards)
*/
#include "../common/flash.c"
/*
* Prototypes
*/
static ulong flash_get_size (vu_long * addr, flash_info_t * info);
unsigned long flash_init(void)
{
unsigned long size;
int i;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; i++)
flash_info[i].flash_id = FLASH_UNKNOWN;
size = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN)
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size, size<<20);
/* Monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff,
&flash_info[0]);
/* Environment protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
&flash_info[CFG_MAX_FLASH_BANKS - 1]);
/* Redundant environment protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
&flash_info[CFG_MAX_FLASH_BANKS - 1]);
flash_info[0].size = size;
return size;
}