diff options
Diffstat (limited to 'util/flashrom/en29f002a.c')
| -rw-r--r-- | util/flashrom/en29f002a.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/util/flashrom/en29f002a.c b/util/flashrom/en29f002a.c deleted file mode 100644 index 7a8c7f7156..0000000000 --- a/util/flashrom/en29f002a.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2007 Carl-Daniel Hailfinger - * - * 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 - */ - -/* - * EN29F512 has 1C,21 - * EN29F010 has 1C,20 - * EN29F040A has 1C,04 - * EN29LV010 has 1C,6E and uses short F0 reset sequence - * EN29LV040(A) has 1C,4F and uses short F0 reset sequence - */ - -#include <stdio.h> -#include <stdint.h> -#include "flash.h" - -int probe_en29f512(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - uint8_t id1, id2; - - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0x90, bios + 0x555); - - myusec_delay(10); - - id1 = chip_readb(bios + 0x100); - id2 = chip_readb(bios + 0x101); - - /* exit by writing F0 anywhere? or the code below */ - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0xF0, bios + 0x555); - - printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2); - - if (id1 == flash->manufacture_id && id2 == flash->model_id) - return 1; - - return 0; -} - -/* - * EN29F002AT has 1C,92 - * EN29F002AB has 1C,97 - */ - -/* This does not seem to function properly for EN29F002NT. */ -int probe_en29f002a(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - uint8_t id1, id2; - - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0xAAA); - chip_writeb(0x90, bios + 0x555); - - myusec_delay(10); - - id1 = chip_readb(bios + 0x100); - id2 = chip_readb(bios + 0x101); - - /* exit by writing F0 anywhere? or the code below */ - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0xAAA); - chip_writeb(0xF0, bios + 0x555); - - printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2); - - if (id1 == flash->manufacture_id && id2 == flash->model_id) - return 1; - - return 0; -} - -/* The EN29F002 chip needs repeated single byte writing, no block writing. */ -int write_en29f002a(struct flashchip *flash, uint8_t *buf) -{ - int i; - int total_size = flash->total_size * 1024; - volatile uint8_t *bios = flash->virtual_memory; - volatile uint8_t *dst = bios; - - // *bios = 0xF0; - myusec_delay(10); - erase_chip_jedec(flash); - - printf("Programming page: "); - for (i = 0; i < total_size; i++) { - /* write to the sector */ - if ((i & 0xfff) == 0) - printf("address: 0x%08lx", (unsigned long)i); - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0xA0, bios + 0x5555); - chip_writeb(*buf++, dst++); - - /* wait for Toggle bit ready */ - toggle_ready_jedec(dst); - - if ((i & 0xfff) == 0) - printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); - } - - printf("\n"); - return 0; -} |