diff options
Diffstat (limited to 'util/flashrom/am29f040b.c')
-rw-r--r-- | util/flashrom/am29f040b.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/util/flashrom/am29f040b.c b/util/flashrom/am29f040b.c deleted file mode 100644 index 87e9c708b9..0000000000 --- a/util/flashrom/am29f040b.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdio.h> -#include <stdint.h> -#include "flash.h" - -static __inline__ int erase_sector_29f040b(volatile uint8_t *bios, - unsigned long address) -{ - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0x80, bios + 0x555); - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0x30, bios + address); - - sleep(2); - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios + address); - - return 0; -} - -static __inline__ int write_sector_29f040b(volatile uint8_t *bios, - uint8_t *src, - volatile uint8_t *dst, - unsigned int page_size) -{ - int i; - - for (i = 0; i < page_size; i++) { - if ((i & 0xfff) == 0xfff) - printf("0x%08lx", (unsigned long)dst - - (unsigned long)bios); - - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0xA0, bios + 0x555); - chip_writeb(*src++, dst++); - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios); - - if ((i & 0xfff) == 0xfff) - printf("\b\b\b\b\b\b\b\b\b\b"); - } - - return 0; -} - -int probe_29f040b(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); - - id1 = chip_readb(bios); - id2 = chip_readb(bios + 0x01); - - chip_writeb(0xF0, bios); - - myusec_delay(10); - - 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; -} - -int erase_29f040b(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0x80, bios + 0x555); - chip_writeb(0xAA, bios + 0x555); - chip_writeb(0x55, bios + 0x2AA); - chip_writeb(0x10, bios + 0x555); - - myusec_delay(10); - toggle_ready_jedec(bios); - - return 0; -} - -int write_29f040b(struct flashchip *flash, uint8_t *buf) -{ - int i; - int total_size = flash->total_size * 1024; - int page_size = flash->page_size; - volatile uint8_t *bios = flash->virtual_memory; - - printf("Programming page "); - for (i = 0; i < total_size / page_size; i++) { - /* erase the page before programming */ - erase_sector_29f040b(bios, i * page_size); - - /* write to the sector */ - printf("%04d at address: ", i); - write_sector_29f040b(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"); - } - printf("\n"); - - return 0; -} |