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Ronald G. Minnich5b582f22006-02-23 17:16:44 +00001/*
Uwe Hermannd1107642007-08-29 17:52:32 +00002 * This file is part of the flashrom project.
Ronald G. Minnich5b582f22006-02-23 17:16:44 +00003 *
Uwe Hermannd22a1d42007-09-09 20:21:05 +00004 * Copyright (C) 2000 Silicon Integrated System Corporation
Ronald G. Minnich5b582f22006-02-23 17:16:44 +00005 *
Uwe Hermannd1107642007-08-29 17:52:32 +00006 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000010 *
Uwe Hermannd1107642007-08-29 17:52:32 +000011 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000015 *
Uwe Hermannd1107642007-08-29 17:52:32 +000016 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000019 */
20
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000021#include <stdlib.h>
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000022#include "flash.h"
Sean Nelson14ba6682010-02-26 05:48:29 +000023#include "chipdrivers.h"
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000024
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000025/* FIXME: The datasheet is unclear whether we should use toggle_ready_jedec
26 * or wait_82802ab.
27 */
28
29int erase_lhf00l04_block(struct flashchip *flash, unsigned int blockaddr, unsigned int blocklen)
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000030{
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000031 chipaddr bios = flash->virtual_memory + blockaddr;
32 chipaddr wrprotect = flash->virtual_registers + blockaddr + 2;
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000033 uint8_t status;
34
35 // clear status register
Carl-Daniel Hailfinger0472f3d2009-03-06 22:26:00 +000036 chip_writeb(0x50, bios);
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +000037 printf("Erase at 0x%lx\n", bios);
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000038 status = wait_82802ab(flash->virtual_memory);
Sean Nelson28accc22010-03-19 18:47:06 +000039 print_status_82802ab(status);
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000040 // clear write protect
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +000041 printf("write protect is at 0x%lx\n", (wrprotect));
Carl-Daniel Hailfinger0472f3d2009-03-06 22:26:00 +000042 printf("write protect is 0x%x\n", chip_readb(wrprotect));
43 chip_writeb(0, wrprotect);
44 printf("write protect is 0x%x\n", chip_readb(wrprotect));
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000045
46 // now start it
Carl-Daniel Hailfinger0472f3d2009-03-06 22:26:00 +000047 chip_writeb(0x20, bios);
48 chip_writeb(0xd0, bios);
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000049 programmer_delay(10);
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000050 // now let's see what the register is
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000051 status = wait_82802ab(flash->virtual_memory);
Sean Nelson28accc22010-03-19 18:47:06 +000052 print_status_82802ab(status);
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000053 printf("DONE BLOCK 0x%x\n", blockaddr);
Uwe Hermannffec5f32007-08-23 16:08:21 +000054
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000055 if (check_erased_range(flash, blockaddr, blocklen)) {
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +000056 fprintf(stderr, "ERASE FAILED!\n");
57 return -1;
58 }
Uwe Hermannffec5f32007-08-23 16:08:21 +000059 return 0;
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000060}
Uwe Hermannffec5f32007-08-23 16:08:21 +000061
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000062int write_lhf00l04(struct flashchip *flash, uint8_t *buf)
63{
64 int i;
Uwe Hermanna7e05482007-05-09 10:17:44 +000065 int total_size = flash->total_size * 1024;
66 int page_size = flash->page_size;
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +000067 chipaddr bios = flash->virtual_memory;
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000068
Carl-Daniel Hailfingeraca1dce2010-01-07 21:23:45 +000069 if (erase_flash(flash)) {
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +000070 fprintf(stderr, "ERASE FAILED!\n");
Ronald G. Minnich5eaed682006-03-14 19:58:14 +000071 return -1;
72 }
Uwe Hermanna502dce2007-10-17 23:55:15 +000073 printf("Programming page: ");
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000074 for (i = 0; i < total_size / page_size; i++) {
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000075 printf("%04d at address: 0x%08x", i, i * page_size);
Sean Nelsone4446e42010-03-16 00:51:31 +000076 write_page_82802ab(bios, buf + i * page_size,
Uwe Hermanna7e05482007-05-09 10:17:44 +000077 bios + i * page_size, page_size);
78 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");
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000079 }
80 printf("\n");
Uwe Hermannffec5f32007-08-23 16:08:21 +000081
82 return 0;
Ronald G. Minnich5b582f22006-02-23 17:16:44 +000083}