diff options
Diffstat (limited to 'util/flash_and_burn/sst39sf020.c')
-rw-r--r-- | util/flash_and_burn/sst39sf020.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/util/flash_and_burn/sst39sf020.c b/util/flash_and_burn/sst39sf020.c deleted file mode 100644 index 97e87a1c56..0000000000 --- a/util/flash_and_burn/sst39sf020.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * sst39sf020.c: driver for SST28SF040C 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, SST28SF040 data sheet - * - * ToDo: Consilidated to standard JEDEC code. - * - * $Id$ - */ - -#include <stdio.h> -#include "flash.h" -#include "jedec.h" -#include "sst39sf020.h" - -#define AUTO_PG_ERASE1 0x20 -#define AUTO_PG_ERASE2 0xD0 - -static __inline__ int erase_sector_39sf020(volatile char *bios, - unsigned long address) -{ - *bios = AUTO_PG_ERASE1; - *(bios + address) = AUTO_PG_ERASE2; - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios); - - return (0); -} - -int write_39sf020(struct flashchip *flash, unsigned char *buf) -{ - int i; - int total_size = flash->total_size * 1024, page_size = - flash->page_size; - volatile char *bios = flash->virt_addr; - - erase_chip_jedec(flash); - - printf("Programming Page: "); - for (i = 0; i < total_size / page_size; i++) { - /* 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); -} |