blob: 2dc2de81a4840e1f56528315f43a493181fad2c5 [file] [log] [blame]
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +00001/*
Uwe Hermannd1107642007-08-29 17:52:32 +00002 * This file is part of the flashrom project.
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +00003 *
Uwe Hermannd22a1d42007-09-09 20:21:05 +00004 * Copyright (C) 2000 Silicon Integrated System Corporation
5 * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com>
6 * Copyright (C) 2005-2007 coresystems GmbH
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +00007 *
Uwe Hermannd1107642007-08-29 17:52:32 +00008 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000012 *
Uwe Hermannd1107642007-08-29 17:52:32 +000013 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000017 *
Uwe Hermannd1107642007-08-29 17:52:32 +000018 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000021 */
22
23#include <errno.h>
24#include <fcntl.h>
25#include <sys/mman.h>
Stefan Reinauer018aca82006-11-21 23:48:51 +000026#include <sys/types.h>
27#include <sys/stat.h>
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000028#include <unistd.h>
29#include <stdio.h>
Ronald G. Minnichceec4202003-07-25 04:37:41 +000030#include <string.h>
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000031#include <stdlib.h>
Ollie Lho184a4042005-11-26 21:55:36 +000032#include <getopt.h>
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000033#include <pci/pci.h>
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000034/* for iopl */
35#if defined (__sun) && (defined(__i386) || defined(__amd64))
36#include <strings.h>
37#include <sys/sysi86.h>
38#include <sys/psw.h>
39#include <asm/sunddi.h>
40#endif
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000041#include "flash.h"
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000042
Ronald G. Minnichceec4202003-07-25 04:37:41 +000043char *chip_to_probe = NULL;
Uwe Hermanna7e05482007-05-09 10:17:44 +000044struct pci_access *pacc; /* For board and chipset_enable */
Stefan Reinauere3705282005-12-18 16:41:10 +000045int exclude_start_page, exclude_end_page;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +000046int verbose = 0;
Stefan Reinauer70385642007-04-06 11:58:03 +000047int fd_mem;
48
Uwe Hermanna7e05482007-05-09 10:17:44 +000049struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000050{
Uwe Hermanna7e05482007-05-09 10:17:44 +000051 struct pci_dev *temp;
52 struct pci_filter filter;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000053
Uwe Hermanna7e05482007-05-09 10:17:44 +000054 pci_filter_init(NULL, &filter);
55 filter.vendor = vendor;
56 filter.device = device;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000057
Uwe Hermanna7e05482007-05-09 10:17:44 +000058 for (temp = pacc->devices; temp; temp = temp->next)
59 if (pci_filter_match(&filter, temp))
60 return temp;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000061
Uwe Hermanna7e05482007-05-09 10:17:44 +000062 return NULL;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000063}
64
Uwe Hermanna7e05482007-05-09 10:17:44 +000065struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
66 uint16_t card_vendor, uint16_t card_device)
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000067{
Uwe Hermanna7e05482007-05-09 10:17:44 +000068 struct pci_dev *temp;
69 struct pci_filter filter;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000070
Uwe Hermanna7e05482007-05-09 10:17:44 +000071 pci_filter_init(NULL, &filter);
72 filter.vendor = vendor;
73 filter.device = device;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000074
Uwe Hermanna7e05482007-05-09 10:17:44 +000075 for (temp = pacc->devices; temp; temp = temp->next)
76 if (pci_filter_match(&filter, temp)) {
77 if ((card_vendor == pci_read_word(temp, 0x2C)) &&
78 (card_device == pci_read_word(temp, 0x2E)))
79 return temp;
80 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000081
Uwe Hermanna7e05482007-05-09 10:17:44 +000082 return NULL;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000083}
84
Stefan Reinauerff4f1972007-05-24 08:48:10 +000085int map_flash_registers(struct flashchip *flash)
86{
87 volatile uint8_t *registers;
88 size_t size = flash->total_size * 1024;
89
90 registers = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
Uwe Hermanna8808852007-05-24 19:17:29 +000091 fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1));
Stefan Reinauerff4f1972007-05-24 08:48:10 +000092
93 if (registers == MAP_FAILED) {
94 perror("Can't mmap registers using " MEM_DEV);
95 exit(1);
96 }
97 flash->virtual_registers = registers;
98
99 return 0;
100}
101
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000102struct flashchip *probe_flash(struct flashchip *flash, int force)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000103{
Ollie Lho184a4042005-11-26 21:55:36 +0000104 volatile uint8_t *bios;
Stefan Reinauer70385642007-04-06 11:58:03 +0000105 unsigned long flash_baseaddr, size;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000106
Ollie Lhocbbf1252004-03-17 22:22:08 +0000107 while (flash->name != NULL) {
Ollie Lho8b8897a2004-03-27 00:18:15 +0000108 if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000109 flash++;
110 continue;
111 }
Stefan Reinauerac378972008-03-17 22:59:40 +0000112 printf_debug("Probing for %s %s, %d KB: ",
113 flash->vendor, flash->name, flash->total_size);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000114 if (!flash->probe && !force) {
Peter Stugef31104c2008-04-28 14:47:30 +0000115 printf_debug("failed! flashrom has no probe function for this flash chip.\n");
116 flash++;
117 continue;
118 }
Stefan Reinauer70385642007-04-06 11:58:03 +0000119
Ollie Lhocbbf1252004-03-17 22:22:08 +0000120 size = flash->total_size * 1024;
Stefan Reinauer70385642007-04-06 11:58:03 +0000121
122#ifdef TS5300
123 // FIXME: Wrong place for this decision
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000124 // FIXME: This should be autodetected. It is trivial.
Stefan Reinauer70385642007-04-06 11:58:03 +0000125 flash_baseaddr = 0x9400000;
126#else
127 flash_baseaddr = (0xffffffff - size + 1);
128#endif
129
130 /* If getpagesize() > size ->
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000131 * "Can't mmap memory using /dev/mem: Invalid argument"
Stefan Reinauer70385642007-04-06 11:58:03 +0000132 * This should never happen as we don't support any flash chips
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000133 * smaller than 4k or 8k (yet).
Stefan Reinauer70385642007-04-06 11:58:03 +0000134 */
135
Ollie Lhocbbf1252004-03-17 22:22:08 +0000136 if (getpagesize() > size) {
Stefan Reinauer72123a52008-03-15 23:41:19 +0000137 /*
138 * if a flash size of 0 is mapped, we map a single page
139 * so we can probe in that area whether we know the
140 * vendor at least.
141 */
Ollie Lhocbbf1252004-03-17 22:22:08 +0000142 size = getpagesize();
Ollie Lhocbbf1252004-03-17 22:22:08 +0000143 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000144
Ollie Lho761bf1b2004-03-20 16:46:10 +0000145 bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
Uwe Hermanna7e05482007-05-09 10:17:44 +0000146 fd_mem, (off_t) flash_baseaddr);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000147 if (bios == MAP_FAILED) {
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000148 perror("Can't mmap memory using " MEM_DEV);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000149 exit(1);
150 }
Stefan Reinauerce532972007-05-23 17:20:56 +0000151 flash->virtual_memory = bios;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000152
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000153 if (force || flash->probe(flash) == 1) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000154 printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
155 flash->vendor, flash->name, flash->total_size,
156 flash_baseaddr);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000157 return flash;
158 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000159 munmap((void *)bios, size);
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000160
Ollie Lhocbbf1252004-03-17 22:22:08 +0000161 flash++;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000162 }
Uwe Hermannffec5f32007-08-23 16:08:21 +0000163
Ollie Lhocbbf1252004-03-17 22:22:08 +0000164 return NULL;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000165}
166
Stefan Reinauere3705282005-12-18 16:41:10 +0000167int verify_flash(struct flashchip *flash, uint8_t *buf)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000168{
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000169 int idx;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000170 int total_size = flash->total_size * 1024;
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000171 uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char));
172 if (flash->read == NULL)
173 memcpy(buf2, (const char *)flash->virtual_memory, total_size);
174 else
175 flash->read(flash, buf2);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000176
Uwe Hermanna502dce2007-10-17 23:55:15 +0000177 printf("Verifying flash... ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000178
179 if (verbose)
180 printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
181
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000182 for (idx = 0; idx < total_size; idx++) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000183 if (verbose && ((idx & 0xfff) == 0xfff))
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000184 printf("0x%08x", idx);
185
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000186 if (*(buf2 + idx) != *(buf + idx)) {
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000187 if (verbose) {
188 printf("0x%08x ", idx);
189 }
Peter Stugecb5c2112008-06-20 02:58:42 +0000190 printf("FAILED! Expected=0x%02x, Read=0x%02x\n",
191 *(buf + idx), *(buf2 + idx));
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000192 return 1;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000193 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000194
195 if (verbose && ((idx & 0xfff) == 0xfff))
Ollie Lhocbbf1252004-03-17 22:22:08 +0000196 printf("\b\b\b\b\b\b\b\b\b\b");
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000197 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000198 if (verbose)
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000199 printf("\b\b\b\b\b\b\b\b\b\b ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000200
Uwe Hermanna502dce2007-10-17 23:55:15 +0000201 printf("VERIFIED. \n");
Uwe Hermannffec5f32007-08-23 16:08:21 +0000202
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000203 return 0;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000204}
205
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000206void print_supported_chips(void)
207{
208 int i;
209
210 printf("Supported ROM chips:\n\n");
211
212 for (i = 0; flashchips[i].name != NULL; i++)
Uwe Hermann76158682008-03-14 23:55:58 +0000213 printf("%s %s\n", flashchips[i].vendor, flashchips[i].name);
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000214}
215
Ronald G. Minniche5559572003-03-28 03:29:43 +0000216void usage(const char *name)
217{
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000218 printf("usage: %s [-rwvEVfLhR] [-c chipname] [-s exclude_start]\n", name);
Peter Stuge6b53fed2008-01-27 16:21:21 +0000219 printf(" [-e exclude_end] [-m [vendor:]part] [-l file.layout] [-i imagename] [file]\n");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000220 printf
Peter Stuge6b53fed2008-01-27 16:21:21 +0000221 (" -r | --read: read flash and save into file\n"
222 " -w | --write: write file into flash\n"
223 " -v | --verify: verify flash against file\n"
224 " -E | --erase: erase flash device\n"
225 " -V | --verbose: more verbose output\n"
226 " -c | --chip <chipname>: probe only for specified flash chip\n"
227 " -s | --estart <addr>: exclude start position\n"
228 " -e | --eend <addr>: exclude end postion\n"
229 " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
230 " -f | --force: force write without checking image\n"
231 " -l | --layout <file.layout>: read rom layout from file\n"
232 " -i | --image <name>: only flash image name from flash layout\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000233 " -L | --list-supported: print supported devices\n"
234 " -h | --help: print this help text\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000235 " -R | --version: print the version (release)\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000236 "\n" " If no file is specified, then all that happens"
Uwe Hermanna7e05482007-05-09 10:17:44 +0000237 " is that flash info is dumped.\n\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000238 exit(1);
Ronald G. Minniche5559572003-03-28 03:29:43 +0000239}
240
Bernhard Walle201bde32008-01-21 15:24:22 +0000241void print_version(void)
242{
243 printf("flashrom r%s\n", FLASHROM_VERSION);
244}
245
Ollie Lho761bf1b2004-03-20 16:46:10 +0000246int main(int argc, char *argv[])
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000247{
Ollie Lho184a4042005-11-26 21:55:36 +0000248 uint8_t *buf;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000249 unsigned long size;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000250 FILE *image;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000251 /* Probe for up to three flash chips. */
252 struct flashchip *flash, *flashes[3];
Ollie Lhocbbf1252004-03-17 22:22:08 +0000253 int opt;
Ollie Lho184a4042005-11-26 21:55:36 +0000254 int option_index = 0;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000255 int force = 0;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000256 int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000257 int ret = 0, i;
Andriy Gapon65c1b862008-05-22 13:22:45 +0000258#ifdef __FreeBSD__
259 int io_fd;
260#endif
Ollie Lho184a4042005-11-26 21:55:36 +0000261
Uwe Hermanna7e05482007-05-09 10:17:44 +0000262 static struct option long_options[] = {
263 {"read", 0, 0, 'r'},
264 {"write", 0, 0, 'w'},
265 {"erase", 0, 0, 'E'},
266 {"verify", 0, 0, 'v'},
267 {"chip", 1, 0, 'c'},
268 {"estart", 1, 0, 's'},
269 {"eend", 1, 0, 'e'},
270 {"mainboard", 1, 0, 'm'},
271 {"verbose", 0, 0, 'V'},
272 {"force", 0, 0, 'f'},
273 {"layout", 1, 0, 'l'},
274 {"image", 1, 0, 'i'},
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000275 {"list-supported", 0, 0, 'L'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000276 {"help", 0, 0, 'h'},
Bernhard Walle201bde32008-01-21 15:24:22 +0000277 {"version", 0, 0, 'R'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000278 {0, 0, 0, 0}
Ollie Lho184a4042005-11-26 21:55:36 +0000279 };
Uwe Hermanna7e05482007-05-09 10:17:44 +0000280
Ollie Lhocbbf1252004-03-17 22:22:08 +0000281 char *filename = NULL;
Ronald G. Minnichceec4202003-07-25 04:37:41 +0000282
Uwe Hermanna7e05482007-05-09 10:17:44 +0000283 unsigned int exclude_start_position = 0, exclude_end_position = 0; // [x,y)
284 char *tempstr = NULL, *tempstr2 = NULL;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000285
286 if (argc > 1) {
287 /* Yes, print them. */
288 int i;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000289 printf_debug("The arguments are:\n");
Yinghai Luad8ffd22004-10-20 05:07:16 +0000290 for (i = 1; i < argc; ++i)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000291 printf_debug("%s\n", argv[i]);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000292 }
293
Ollie Lhocbbf1252004-03-17 22:22:08 +0000294 setbuf(stdout, NULL);
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000295 while ((opt = getopt_long(argc, argv, "rRwvVEfc:s:e:m:l:i:Lh",
Uwe Hermanna7e05482007-05-09 10:17:44 +0000296 long_options, &option_index)) != EOF) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000297 switch (opt) {
298 case 'r':
299 read_it = 1;
300 break;
301 case 'w':
302 write_it = 1;
303 break;
304 case 'v':
305 verify_it = 1;
306 break;
307 case 'c':
308 chip_to_probe = strdup(optarg);
309 break;
Ollie Lho789ad3d2004-03-18 20:27:33 +0000310 case 'V':
311 verbose = 1;
312 break;
Ollie Lhoefa28582004-12-08 20:10:01 +0000313 case 'E':
314 erase_it = 1;
315 break;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000316 case 's':
317 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000318 sscanf(tempstr, "%x", &exclude_start_position);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000319 break;
320 case 'e':
Ollie Lho98bea8a2004-12-07 03:15:51 +0000321 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000322 sscanf(tempstr, "%x", &exclude_end_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000323 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000324 case 'm':
325 tempstr = strdup(optarg);
326 strtok(tempstr, ":");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000327 tempstr2 = strtok(NULL, ":");
Ollie Lho184a4042005-11-26 21:55:36 +0000328 if (tempstr2) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000329 lb_vendor = tempstr;
330 lb_part = tempstr2;
Ollie Lho184a4042005-11-26 21:55:36 +0000331 } else {
Peter Stuge6b53fed2008-01-27 16:21:21 +0000332 lb_vendor = NULL;
333 lb_part = tempstr;
Ollie Lho184a4042005-11-26 21:55:36 +0000334 }
335 break;
336 case 'f':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000337 force = 1;
Ollie Lho184a4042005-11-26 21:55:36 +0000338 break;
339 case 'l':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000340 tempstr = strdup(optarg);
Stefan Reinauer0a05d672007-04-14 16:32:59 +0000341 if (read_romlayout(tempstr))
342 exit(1);
Ollie Lho184a4042005-11-26 21:55:36 +0000343 break;
344 case 'i':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000345 tempstr = strdup(optarg);
Ollie Lho184a4042005-11-26 21:55:36 +0000346 find_romentry(tempstr);
347 break;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000348 case 'L':
349 print_supported_chips();
350 print_supported_chipsets();
351 print_supported_boards();
352 exit(0);
353 break;
Bernhard Walle201bde32008-01-21 15:24:22 +0000354 case 'R':
355 print_version();
356 exit(0);
357 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000358 case 'h':
Ollie Lhocbbf1252004-03-17 22:22:08 +0000359 default:
360 usage(argv[0]);
361 break;
362 }
363 }
Yinghai Luad8ffd22004-10-20 05:07:16 +0000364
Ollie Lhocbbf1252004-03-17 22:22:08 +0000365 if (read_it && write_it) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000366 printf("Error: -r and -w are mutually exclusive.\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000367 usage(argv[0]);
368 }
Ronald G. Minniche5559572003-03-28 03:29:43 +0000369
Ollie Lhocbbf1252004-03-17 22:22:08 +0000370 if (optind < argc)
371 filename = argv[optind++];
Ronald G. Minniche5559572003-03-28 03:29:43 +0000372
Uwe Hermanna7e05482007-05-09 10:17:44 +0000373 /* First get full io access */
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000374#if defined (__sun) && (defined(__i386) || defined(__amd64))
Uwe Hermanna7e05482007-05-09 10:17:44 +0000375 if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
Andriy Gapon65c1b862008-05-22 13:22:45 +0000376#elif defined(__FreeBSD__)
377 if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000378#else
379 if (iopl(3) != 0) {
380#endif
Uwe Hermanna7e05482007-05-09 10:17:44 +0000381 fprintf(stderr, "ERROR: iopl failed: \"%s\"\n",
382 strerror(errno));
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000383 exit(1);
384 }
385
Uwe Hermanna7e05482007-05-09 10:17:44 +0000386 /* Initialize PCI access for flash enables */
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000387 pacc = pci_alloc(); /* Get the pci_access structure */
388 /* Set all options you want -- here we stick with the defaults */
389 pci_init(pacc); /* Initialize the PCI library */
390 pci_scan_bus(pacc); /* We want to get the list of devices */
391
Carl-Daniel Hailfinger6dc1d3b2008-05-14 14:51:22 +0000392 /* Open the memory device UNCACHED. That's important for MMIO. */
393 if ((fd_mem = open(MEM_DEV, O_RDWR|O_SYNC)) < 0) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000394 perror("Error: Can not access memory using " MEM_DEV
395 ". You need to be root.");
Stefan Reinauer70385642007-04-06 11:58:03 +0000396 exit(1);
397 }
398
Ollie Lhocbbf1252004-03-17 22:22:08 +0000399 myusec_calibrate_delay();
Ollie Lho184a4042005-11-26 21:55:36 +0000400
401 /* We look at the lbtable first to see if we need a
402 * mainboard specific flash enable sequence.
403 */
Stefan Reinauere3f3e2e2008-01-18 15:33:10 +0000404 coreboot_init();
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000405
Ollie Lhocbbf1252004-03-17 22:22:08 +0000406 /* try to enable it. Failure IS an option, since not all motherboards
Ollie Lho184a4042005-11-26 21:55:36 +0000407 * really need this to be done, etc., etc.
Ollie Lhocbbf1252004-03-17 22:22:08 +0000408 */
Uwe Hermanna7e05482007-05-09 10:17:44 +0000409 ret = chipset_flash_enable();
410 if (ret == -2) {
411 printf("WARNING: No chipset found. Flash detection "
412 "will most likely fail.\n");
413 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000414
Uwe Hermanna7e05482007-05-09 10:17:44 +0000415 board_flash_enable(lb_vendor, lb_part);
Ollie Lho761bf1b2004-03-20 16:46:10 +0000416
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000417 for (i = 0; i < ARRAY_SIZE(flashes); i++) {
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000418 flashes[i] = probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000419 if (!flashes[i])
420 for (i++; i < ARRAY_SIZE(flashes); i++)
421 flashes[i] = NULL;
422 }
423
424 if (flashes[1]) {
425 printf("Multiple flash chips were detected:");
426 for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
427 printf(" %s", flashes[i]->name);
428 printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
429 exit(1);
430 } else if (!flashes[0]) {
Ollie Lho184a4042005-11-26 21:55:36 +0000431 printf("No EEPROM/flash device found.\n");
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000432 if (!force || !chip_to_probe) {
433 printf("If you know which flash chip you have, and if this version of flashrom\n");
434 printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
435 printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
436 printf("\n");
437 printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
438 }
439 if (force && read_it && chip_to_probe) {
440 printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
441 flashes[0] = probe_flash(flashchips, 1);
442 if (!flashes[0]) {
443 printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
444 printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
445 exit(1);
446 }
447 size = flashes[0]->total_size * 1024;
448 buf = (uint8_t *) calloc(size, sizeof(char));
449
450 if ((image = fopen(filename, "w")) == NULL) {
451 perror(filename);
452 exit(1);
453 }
454 printf("Force reading flash...");
455 if (!flashes[0]->read)
456 memcpy(buf, (const char *)flashes[0]->virtual_memory, size);
457 else
458 flashes[0]->read(flashes[0], buf);
459
460 if (exclude_end_position - exclude_start_position > 0)
461 memset(buf + exclude_start_position, 0,
462 exclude_end_position - exclude_start_position);
463
464 fwrite(buf, sizeof(char), size, image);
465 fclose(image);
466 printf("done\n");
467 free(buf);
468 exit(0);
469 }
Jordan Crouse144ede62007-10-04 06:26:41 +0000470 // FIXME: flash writes stay enabled!
Ollie Lhocbbf1252004-03-17 22:22:08 +0000471 exit(1);
472 }
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000473
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000474 flash = flashes[0];
475
Peter Stuge1159d582008-05-03 04:34:37 +0000476 if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
477 printf("===\n");
478 if (flash->tested & TEST_BAD_MASK) {
479 printf("This flash part has status NOT WORKING for operations:");
480 if (flash->tested & TEST_BAD_PROBE)
481 printf(" PROBE");
482 if (flash->tested & TEST_BAD_READ)
483 printf(" READ");
484 if (flash->tested & TEST_BAD_ERASE)
485 printf(" ERASE");
486 if (flash->tested & TEST_BAD_WRITE)
487 printf(" WRITE");
488 printf("\n");
489 } else {
490 printf("This flash part has status UNTESTED for operations:");
491 if (!(flash->tested & TEST_OK_PROBE))
492 printf(" PROBE");
493 if (!(flash->tested & TEST_OK_READ))
494 printf(" READ");
495 if (!(flash->tested & TEST_OK_ERASE))
496 printf(" ERASE");
497 if (!(flash->tested & TEST_OK_WRITE))
498 printf(" WRITE");
499 printf("\n");
500 }
501 printf("Please email a report to flashrom@coreboot.org if any of the above operations\n");
502 printf("work correctly for you with this flash part. Please include the full output\n");
503 printf("from the program, including chipset found. Thank you for your help!\n");
504 printf("===\n");
505 }
Ollie Lho184a4042005-11-26 21:55:36 +0000506
Jordan Crouse144ede62007-10-04 06:26:41 +0000507 if (!(read_it | write_it | verify_it | erase_it)) {
508 printf("No operations were specified.\n");
509 // FIXME: flash writes stay enabled!
510 exit(1);
511 }
512
Ollie Lhoefa28582004-12-08 20:10:01 +0000513 if (!filename && !erase_it) {
Jordan Crouse144ede62007-10-04 06:26:41 +0000514 printf("Error: No filename specified.\n");
515 // FIXME: flash writes stay enabled!
516 exit(1);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000517 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000518
Ollie Lho184a4042005-11-26 21:55:36 +0000519 size = flash->total_size * 1024;
520 buf = (uint8_t *) calloc(size, sizeof(char));
Uwe Hermanna7e05482007-05-09 10:17:44 +0000521
Ollie Lhoefa28582004-12-08 20:10:01 +0000522 if (erase_it) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000523 printf("Erasing flash chip.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000524 if (!flash->erase) {
525 fprintf(stderr, "Error: flashrom has no erase function for this flash chip.\n");
526 return 1;
527 }
Ollie Lhoefa28582004-12-08 20:10:01 +0000528 flash->erase(flash);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000529 exit(0);
Ollie Lhoefa28582004-12-08 20:10:01 +0000530 } else if (read_it) {
Ollie Lho761bf1b2004-03-20 16:46:10 +0000531 if ((image = fopen(filename, "w")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000532 perror(filename);
533 exit(1);
534 }
535 printf("Reading Flash...");
Ollie Lho73eca802004-03-19 22:10:07 +0000536 if (flash->read == NULL)
Stefan Reinauerce532972007-05-23 17:20:56 +0000537 memcpy(buf, (const char *)flash->virtual_memory, size);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000538 else
Ollie Lho761bf1b2004-03-20 16:46:10 +0000539 flash->read(flash, buf);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000540
Ollie Lho98bea8a2004-12-07 03:15:51 +0000541 if (exclude_end_position - exclude_start_position > 0)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000542 memset(buf + exclude_start_position, 0,
543 exclude_end_position - exclude_start_position);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000544
Ollie Lhocbbf1252004-03-17 22:22:08 +0000545 fwrite(buf, sizeof(char), size, image);
546 fclose(image);
547 printf("done\n");
548 } else {
Stefan Reinauer018aca82006-11-21 23:48:51 +0000549 struct stat image_stat;
550
Ollie Lho761bf1b2004-03-20 16:46:10 +0000551 if ((image = fopen(filename, "r")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000552 perror(filename);
553 exit(1);
554 }
Stefan Reinauer018aca82006-11-21 23:48:51 +0000555 if (fstat(fileno(image), &image_stat) != 0) {
556 perror(filename);
557 exit(1);
558 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000559 if (image_stat.st_size != flash->total_size * 1024) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000560 fprintf(stderr, "Error: Image size doesn't match\n");
Stefan Reinauer018aca82006-11-21 23:48:51 +0000561 exit(1);
562 }
563
Ollie Lho761bf1b2004-03-20 16:46:10 +0000564 fread(buf, sizeof(char), size, image);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000565 show_id(buf, size, force);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000566 fclose(image);
567 }
568
Ollie Lho184a4042005-11-26 21:55:36 +0000569 /* exclude range stuff. Nice idea, but at the moment it is only
570 * supported in hardware by the pm49fl004 chips.
571 * Instead of implementing this for all chips I suggest advancing
572 * it to the rom layout feature below and drop exclude range
573 * completely once all flash chips can do rom layouts. stepan
574 */
Uwe Hermanna7e05482007-05-09 10:17:44 +0000575
Ollie Lho184a4042005-11-26 21:55:36 +0000576 // ////////////////////////////////////////////////////////////
Ollie Lho98bea8a2004-12-07 03:15:51 +0000577 if (exclude_end_position - exclude_start_position > 0)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000578 memcpy(buf + exclude_start_position,
Uwe Hermanna8808852007-05-24 19:17:29 +0000579 (const char *)flash->virtual_memory +
580 exclude_start_position,
Uwe Hermanna7e05482007-05-09 10:17:44 +0000581 exclude_end_position - exclude_start_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000582
Uwe Hermanna7e05482007-05-09 10:17:44 +0000583 exclude_start_page = exclude_start_position / flash->page_size;
584 if ((exclude_start_position % flash->page_size) != 0) {
Ollie Lho98bea8a2004-12-07 03:15:51 +0000585 exclude_start_page++;
586 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000587 exclude_end_page = exclude_end_position / flash->page_size;
Ollie Lho184a4042005-11-26 21:55:36 +0000588 // ////////////////////////////////////////////////////////////
Yinghai Luad8ffd22004-10-20 05:07:16 +0000589
Ollie Lho184a4042005-11-26 21:55:36 +0000590 // This should be moved into each flash part's code to do it
591 // cleanly. This does the job.
Stefan Reinauerce532972007-05-23 17:20:56 +0000592 handle_romentries(buf, (uint8_t *) flash->virtual_memory);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000593
Ollie Lho184a4042005-11-26 21:55:36 +0000594 // ////////////////////////////////////////////////////////////
Uwe Hermanna7e05482007-05-09 10:17:44 +0000595
Peter Stugef31104c2008-04-28 14:47:30 +0000596 if (write_it) {
597 if (!flash->write) {
598 fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
599 return 1;
600 }
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000601 ret |= flash->write(flash, buf);
Peter Stugef31104c2008-04-28 14:47:30 +0000602 }
Ollie Lho184a4042005-11-26 21:55:36 +0000603
Ollie Lhocbbf1252004-03-17 22:22:08 +0000604 if (verify_it)
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000605 ret |= verify_flash(flash, buf);
Ollie Lho184a4042005-11-26 21:55:36 +0000606
Andriy Gapon65c1b862008-05-22 13:22:45 +0000607#ifdef __FreeBSD__
608 close(io_fd);
609#endif
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000610 return ret;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000611}