diff options
Diffstat (limited to 'util/flashrom/m29f002.c')
| -rw-r--r-- | util/flashrom/m29f002.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/util/flashrom/m29f002.c b/util/flashrom/m29f002.c deleted file mode 100644 index 040cd2afd5..0000000000 --- a/util/flashrom/m29f002.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2009 Peter Stuge <peter@stuge.se> - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "flash.h" - -int erase_m29f002(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - chip_writeb(0xaa, bios + 0x555); - chip_writeb(0x55, bios + 0xaaa); - chip_writeb(0x80, bios + 0x555); - chip_writeb(0xaa, bios + 0x555); - chip_writeb(0x55, bios + 0xaaa); - chip_writeb(0x10, bios + 0x555); - myusec_delay(10); - toggle_ready_jedec(bios); - return 0; -} - -static void rewrite_block(volatile uint8_t *bios, uint8_t *src, - volatile uint8_t *dst, int size) -{ - /* erase */ - chip_writeb(0xaa, bios + 0x555); - chip_writeb(0x55, bios + 0xaaa); - chip_writeb(0x80, bios + 0x555); - chip_writeb(0xaa, bios + 0x555); - chip_writeb(0x55, bios + 0xaaa); - chip_writeb(0x30, dst); - myusec_delay(10); - toggle_ready_jedec(bios); - - /* program */ - while (size--) { - chip_writeb(0xaa, bios + 0x555); - chip_writeb(0x55, bios + 0xaaa); - chip_writeb(0xa0, bios + 0x555); - chip_writeb(*src, dst); - toggle_ready_jedec(dst); - dst++; - src++; - } -} - -static void do_block(volatile uint8_t *bios, uint8_t *src, int i, - unsigned long start, int size) -{ - printf("%d at address: 0x%08lx", i, start); - rewrite_block(bios, src + start, bios + start, 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"); -} - -int write_m29f002t(struct flashchip *flash, uint8_t *buf) -{ - int i, page_size = flash->page_size; - volatile uint8_t *bios = flash->virtual_memory; - - /* M29F002(N)T has 7 blocks. From bottom to top their sizes are: - * 64k 64k 64k 32k 8k 8k 16k - * flash->page_size is set to 64k in flashchips.c - */ - - printf("Programming block: "); - for (i = 0; i < 3; i++) - do_block(bios, buf, i, i * page_size, page_size); - do_block(bios, buf, i++, 0x30000, 32 * 1024); - do_block(bios, buf, i++, 0x38000, 8 * 1024); - do_block(bios, buf, i++, 0x3a000, 8 * 1024); - do_block(bios, buf, i, 0x3c000, 16 * 1024); - - printf("\n"); - return 0; -} - -int write_m29f002b(struct flashchip *flash, uint8_t *buf) -{ - int i = 0, page_size = flash->page_size; - volatile uint8_t *bios = flash->virtual_memory; - - /* M29F002B has 7 blocks. From bottom to top their sizes are: - * 16k 8k 8k 32k 64k 64k 64k - * flash->page_size is set to 64k in flashchips.c - */ - - printf("Programming block: "); - do_block(bios, buf, i++, 0x00000, 16 * 1024); - do_block(bios, buf, i++, 0x04000, 8 * 1024); - do_block(bios, buf, i++, 0x06000, 8 * 1024); - do_block(bios, buf, i++, 0x08000, 32 * 1024); - for (; i < 7; i++) - do_block(bios, buf, i, (i - 3) * page_size, page_size); - - printf("\n"); - return 0; -} |