/* * (C) Copyright 2001 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com * * 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 <ppc4xx.h>#include <asm/processor.h>/* * include common flash code (for esd boards) */#include "../common/flash.c"/*----------------------------------------------------------------------- * Functions */static ulong flash_get_size (vu_long *addr, flash_info_t *info);static void flash_get_offsets (ulong base, flash_info_t *info);/*----------------------------------------------------------------------- */unsigned long flash_init (void){	unsigned long size_b0, size_b1;	int i;	/* Init: no FLASHes known */	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {		flash_info[i].flash_id = FLASH_UNKNOWN;	}	size_b0 = 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_b0, size_b0<<20);	}	size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);	if (size_b1 > size_b0) {		printf ("## ERROR: "			"Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",			size_b1, size_b1<<20,			size_b0, size_b0<<20		);		flash_info[0].flash_id	= FLASH_UNKNOWN;		flash_info[1].flash_id	= FLASH_UNKNOWN;		flash_info[0].sector_count	= -1;		flash_info[1].sector_count	= -1;		flash_info[0].size		= 0;		flash_info[1].size		= 0;		return (0);	}	/* Re-do sizing to get full correct info */	size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);	flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]);	/* monitor protection ON by default */	flash_protect(FLAG_PROTECT_SET,		      FLASH_BASE0_PRELIM+size_b0-CFG_MONITOR_LEN,		      FLASH_BASE0_PRELIM+size_b0-1,		      &flash_info[0]);	if (size_b1) {		/* Re-do sizing to get full correct info */		size_b1 = flash_get_size((vu_long *)(FLASH_BASE0_PRELIM + size_b0),					  &flash_info[1]);		flash_get_offsets (FLASH_BASE0_PRELIM + size_b0, &flash_info[1]);		/* monitor protection ON by default */		flash_protect(FLAG_PROTECT_SET,			      FLASH_BASE0_PRELIM+size_b0+size_b1-CFG_MONITOR_LEN,			      FLASH_BASE0_PRELIM+size_b0+size_b1-1,			      &flash_info[1]);                /* monitor protection OFF by default (one is enough) */                flash_protect(FLAG_PROTECT_CLEAR,			      FLASH_BASE0_PRELIM+size_b0-CFG_MONITOR_LEN,			      FLASH_BASE0_PRELIM+size_b0-1,			      &flash_info[0]);	} else {		flash_info[1].flash_id = FLASH_UNKNOWN;		flash_info[1].sector_count = -1;	}	flash_info[0].size = size_b0;	flash_info[1].size = size_b1;	return (size_b0 + size_b1);}