diff options
Diffstat (limited to 'util/flash_and_burn/sst49lf040.c')
-rw-r--r-- | util/flash_and_burn/sst49lf040.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/util/flash_and_burn/sst49lf040.c b/util/flash_and_burn/sst49lf040.c deleted file mode 100644 index f19b91e1c2..0000000000 --- a/util/flash_and_burn/sst49lf040.c +++ /dev/null @@ -1,72 +0,0 @@ -/* sst40lf020.c: driver for SST40LF040 flash models. - * - * - * Copyright 2000 Silicon Integrated System Corporation - * - * 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. - * - * - * Reference: - * 4 MEgabit (512K x 8) SuperFlash EEPROM, SST49lF040 data sheet - * - * ToDo: Consilidated to standard JEDEC code. - * - * $Id$ - */ -#include <stdio.h> -#include "flash.h" -#include "jedec.h" -#include "sst49lf040.h" - -int erase_49lf040(struct flashchip *flash) -{ - int i; - int total_size = flash->total_size * 1024; - int page_size = flash->page_size; - volatile char *bios = flash->virt_addr; - - for (i = 0; i < total_size / page_size; i++) { - /* Chip erase only works in parallel programming mode - * for the 49lf040. Use sector-erase instead */ - erase_sector_jedec(bios, i * page_size); - } - return 0; -} - -int write_49lf040(struct flashchip *flash, unsigned char *buf) -{ - int i; - int total_size = flash->total_size * 1024; - int page_size = flash->page_size; - volatile char *bios = flash->virt_addr; - - printf("Programming Page: "); - for (i = 0; i < total_size / page_size; i++) { - /* erase the page before programming - * Chip erase only works in parallel programming mode - * for the 49lf040. Use sector-erase instead */ - erase_sector_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\b"); - fflush(stdout); - } - printf("\n"); - - return (0); -} |