diff options
Diffstat (limited to 'am29f040b.c')
-rw-r--r-- | am29f040b.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/am29f040b.c b/am29f040b.c deleted file mode 100644 index 62774ba..0000000 --- a/am29f040b.c +++ /dev/null @@ -1,153 +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 "flash.h" - -/* FIMXE: Use erase_sector_jedec if not? */ -int erase_sector_29f040b(struct flashchip *flash, unsigned int address, unsigned int blocklen) -{ - chipaddr 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(0x30, bios + address); - - programmer_delay(10); - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios + address); - - if (check_erased_range(flash, address, blocklen)) { - fprintf(stderr, "ERASE FAILED!\n"); - return -1; - } - return 0; -} - -/* erase chip with block_erase() prototype */ -int erase_chip_29f040b(struct flashchip *flash, unsigned int addr, unsigned int blocklen) -{ - if ((addr != 0) || (blocklen != flash->total_size * 1024)) { - fprintf(stderr, "%s called with incorrect arguments\n", - __func__); - return -1; - } - return erase_29f040b(flash); -} - -/* FIXME: use write_sector_jedec? */ -static int write_sector_29f040b(chipaddr bios, uint8_t *src, chipaddr dst, - unsigned int page_size) -{ - int i; - - for (i = 0; i < page_size; i++) { - if ((i & 0xfff) == 0xfff) - printf("0x%08lx", dst - 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) -{ - chipaddr 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); - - programmer_delay(10); - - printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __func__, id1, id2); - if (id1 == flash->manufacture_id && id2 == flash->model_id) - return 1; - - return 0; -} - -/* FIXME: use erase_chip_jedec? */ -int erase_29f040b(struct flashchip *flash) -{ - int total_size = flash->total_size * 1024; - chipaddr 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); - - programmer_delay(10); - toggle_ready_jedec(bios); - - if (check_erased_range(flash, 0, total_size)) { - fprintf(stderr, "ERASE FAILED!\n"); - return -1; - } - 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; - chipaddr bios = flash->virtual_memory; - - printf("Programming page "); - for (i = 0; i < total_size / page_size; i++) { - /* erase the page before programming */ - if (erase_sector_29f040b(flash, i * page_size, page_size)) { - fprintf(stderr, "ERASE FAILED!\n"); - return -1; - } - - /* 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; -} |