pm49fl004.c

/*
 * pm49fl004.c: driver for Pm49FL004 flash models.
 *
 *
 * Copyright 2004 Tyan Corporation
 *	yhlu yhlu@tyan.com add exclude range
 *
 *	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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 */

#include <stdio.h>
#include "flash.h"
#include "jedec.h"
#include "pm49fl004.h"

extern int exclude_start_page, exclude_end_page;

int write_49fl004(struct flashchip *flash, uint8_t *buf)
{
	int i;
	int total_size = flash->total_size * 1024, page_size =
		flash->page_size;
	volatile uint8_t *bios = flash->virt_addr;
	
	printf("Programming Page: ");
	for (i = 0; i < total_size / page_size; i++) {
		if( (i>=exclude_start_page) && (i<exclude_end_page)) 	
			continue;
		
		/* erase the page before programming */
		erase_block_jedec(bios, i * page_size);

		/* write to the sector */
		printf("%04d at address: 0x%08x", i, i * page_size);
		write_sector_jedec(bios, buf + i * page_size,
				   bios + i * page_size, page_size);
		printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
		fflush(stdout);
	}
	printf("\n");

	return (0);
}