blob: 4f1b488041942b2ef82ebc9ed005ddfec7fc8f85 [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>
Stefan Reinauer566ce1b2008-08-02 15:13:58 +00006 * Copyright (C) 2005-2008 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)) {
Uwe Hermann394131e2008-10-18 21:14:13 +000077 if ((card_vendor ==
78 pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID))
79 && (card_device ==
80 pci_read_word(temp, PCI_SUBSYSTEM_ID)))
Uwe Hermanna7e05482007-05-09 10:17:44 +000081 return temp;
82 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000083
Uwe Hermanna7e05482007-05-09 10:17:44 +000084 return NULL;
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000085}
86
Stefan Reinauerff4f1972007-05-24 08:48:10 +000087int map_flash_registers(struct flashchip *flash)
88{
89 volatile uint8_t *registers;
90 size_t size = flash->total_size * 1024;
91
92 registers = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
Uwe Hermanna8808852007-05-24 19:17:29 +000093 fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1));
Stefan Reinauerff4f1972007-05-24 08:48:10 +000094
95 if (registers == MAP_FAILED) {
96 perror("Can't mmap registers using " MEM_DEV);
97 exit(1);
98 }
99 flash->virtual_registers = registers;
100
101 return 0;
102}
103
Peter Stuge483b8f02008-09-03 23:10:05 +0000104struct flashchip *probe_flash(struct flashchip *first_flash, int force)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000105{
Ollie Lho184a4042005-11-26 21:55:36 +0000106 volatile uint8_t *bios;
Peter Stuge483b8f02008-09-03 23:10:05 +0000107 struct flashchip *flash;
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000108 unsigned long flash_baseaddr = 0, size;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000109
Peter Stuge483b8f02008-09-03 23:10:05 +0000110 for (flash = first_flash; flash && flash->name; flash++) {
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000111 if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0)
Ollie Lhocbbf1252004-03-17 22:22:08 +0000112 continue;
Stefan Reinauerac378972008-03-17 22:59:40 +0000113 printf_debug("Probing for %s %s, %d KB: ",
114 flash->vendor, flash->name, flash->total_size);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000115 if (!flash->probe && !force) {
Peter Stugef31104c2008-04-28 14:47:30 +0000116 printf_debug("failed! flashrom has no probe function for this flash chip.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000117 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
Stefan Reinauer70385642007-04-06 11:58:03 +0000122 /* If getpagesize() > size ->
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000123 * "Can't mmap memory using /dev/mem: Invalid argument"
Stefan Reinauer70385642007-04-06 11:58:03 +0000124 * This should never happen as we don't support any flash chips
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000125 * smaller than 4k or 8k (yet).
Stefan Reinauer70385642007-04-06 11:58:03 +0000126 */
127
Ollie Lhocbbf1252004-03-17 22:22:08 +0000128 if (getpagesize() > size) {
Stefan Reinauer72123a52008-03-15 23:41:19 +0000129 /*
130 * if a flash size of 0 is mapped, we map a single page
131 * so we can probe in that area whether we know the
132 * vendor at least.
133 */
Ollie Lhocbbf1252004-03-17 22:22:08 +0000134 size = getpagesize();
Ollie Lhocbbf1252004-03-17 22:22:08 +0000135 }
Segher Boessenkool0d29b602008-08-12 11:58:00 +0000136#ifdef TS5300
137 // FIXME: Wrong place for this decision
138 // FIXME: This should be autodetected. It is trivial.
139 flash_baseaddr = 0x9400000;
140#else
141 flash_baseaddr = (0xffffffff - size + 1);
142#endif
143
Ollie Lho761bf1b2004-03-20 16:46:10 +0000144 bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
Uwe Hermanna7e05482007-05-09 10:17:44 +0000145 fd_mem, (off_t) flash_baseaddr);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000146 if (bios == MAP_FAILED) {
Stefan Reinauer7c1402f2007-05-23 18:24:58 +0000147 perror("Can't mmap memory using " MEM_DEV);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000148 exit(1);
149 }
Stefan Reinauerce532972007-05-23 17:20:56 +0000150 flash->virtual_memory = bios;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000151
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000152 if (force)
153 break;
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000154
Peter Stuge483b8f02008-09-03 23:10:05 +0000155 if (flash->probe(flash) != 1)
156 goto notfound;
157
Uwe Hermann394131e2008-10-18 21:14:13 +0000158 if (first_flash == flashchips
159 || flash->model_id != GENERIC_DEVICE_ID)
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000160 break;
161
Peter Stuge483b8f02008-09-03 23:10:05 +0000162notfound:
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000163 munmap((void *)bios, size);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000164 }
Uwe Hermannffec5f32007-08-23 16:08:21 +0000165
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000166 if (!flash || !flash->name)
167 return NULL;
168
169 printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
170 flash->vendor, flash->name, flash->total_size, flash_baseaddr);
171 return flash;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000172}
173
Stefan Reinauere3705282005-12-18 16:41:10 +0000174int verify_flash(struct flashchip *flash, uint8_t *buf)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000175{
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000176 int idx;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000177 int total_size = flash->total_size * 1024;
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000178 uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char));
179 if (flash->read == NULL)
180 memcpy(buf2, (const char *)flash->virtual_memory, total_size);
181 else
182 flash->read(flash, buf2);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000183
Uwe Hermanna502dce2007-10-17 23:55:15 +0000184 printf("Verifying flash... ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000185
186 if (verbose)
187 printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
188
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000189 for (idx = 0; idx < total_size; idx++) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000190 if (verbose && ((idx & 0xfff) == 0xfff))
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000191 printf("0x%08x", idx);
192
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000193 if (*(buf2 + idx) != *(buf + idx)) {
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000194 if (verbose) {
195 printf("0x%08x ", idx);
196 }
Peter Stugecb5c2112008-06-20 02:58:42 +0000197 printf("FAILED! Expected=0x%02x, Read=0x%02x\n",
Uwe Hermann394131e2008-10-18 21:14:13 +0000198 *(buf + idx), *(buf2 + idx));
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000199 return 1;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000200 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000201
202 if (verbose && ((idx & 0xfff) == 0xfff))
Ollie Lhocbbf1252004-03-17 22:22:08 +0000203 printf("\b\b\b\b\b\b\b\b\b\b");
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000204 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000205 if (verbose)
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000206 printf("\b\b\b\b\b\b\b\b\b\b ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000207
Uwe Hermanna502dce2007-10-17 23:55:15 +0000208 printf("VERIFIED. \n");
Uwe Hermannffec5f32007-08-23 16:08:21 +0000209
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000210 return 0;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000211}
212
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000213void print_supported_chips(void)
214{
215 int i;
216
217 printf("Supported ROM chips:\n\n");
218
219 for (i = 0; flashchips[i].name != NULL; i++)
Uwe Hermann76158682008-03-14 23:55:58 +0000220 printf("%s %s\n", flashchips[i].vendor, flashchips[i].name);
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000221}
222
Ronald G. Minniche5559572003-03-28 03:29:43 +0000223void usage(const char *name)
224{
Uwe Hermann394131e2008-10-18 21:14:13 +0000225 printf("usage: %s [-rwvEVfLhR] [-c chipname] [-s exclude_start]\n",
226 name);
Peter Stuge6b53fed2008-01-27 16:21:21 +0000227 printf(" [-e exclude_end] [-m [vendor:]part] [-l file.layout] [-i imagename] [file]\n");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000228 printf
Peter Stuge6b53fed2008-01-27 16:21:21 +0000229 (" -r | --read: read flash and save into file\n"
230 " -w | --write: write file into flash\n"
231 " -v | --verify: verify flash against file\n"
232 " -E | --erase: erase flash device\n"
233 " -V | --verbose: more verbose output\n"
234 " -c | --chip <chipname>: probe only for specified flash chip\n"
235 " -s | --estart <addr>: exclude start position\n"
236 " -e | --eend <addr>: exclude end postion\n"
237 " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
238 " -f | --force: force write without checking image\n"
239 " -l | --layout <file.layout>: read rom layout from file\n"
240 " -i | --image <name>: only flash image name from flash layout\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000241 " -L | --list-supported: print supported devices\n"
242 " -h | --help: print this help text\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000243 " -R | --version: print the version (release)\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000244 "\n" " If no file is specified, then all that happens"
Uwe Hermanna7e05482007-05-09 10:17:44 +0000245 " is that flash info is dumped.\n\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000246 exit(1);
Ronald G. Minniche5559572003-03-28 03:29:43 +0000247}
248
Bernhard Walle201bde32008-01-21 15:24:22 +0000249void print_version(void)
250{
251 printf("flashrom r%s\n", FLASHROM_VERSION);
252}
253
Ollie Lho761bf1b2004-03-20 16:46:10 +0000254int main(int argc, char *argv[])
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000255{
Ollie Lho184a4042005-11-26 21:55:36 +0000256 uint8_t *buf;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000257 unsigned long size;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000258 FILE *image;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000259 /* Probe for up to three flash chips. */
260 struct flashchip *flash, *flashes[3];
Ollie Lhocbbf1252004-03-17 22:22:08 +0000261 int opt;
Ollie Lho184a4042005-11-26 21:55:36 +0000262 int option_index = 0;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000263 int force = 0;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000264 int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000265 int ret = 0, i;
Andriy Gapon65c1b862008-05-22 13:22:45 +0000266#ifdef __FreeBSD__
267 int io_fd;
268#endif
Ollie Lho184a4042005-11-26 21:55:36 +0000269
Uwe Hermanna7e05482007-05-09 10:17:44 +0000270 static struct option long_options[] = {
271 {"read", 0, 0, 'r'},
272 {"write", 0, 0, 'w'},
273 {"erase", 0, 0, 'E'},
274 {"verify", 0, 0, 'v'},
275 {"chip", 1, 0, 'c'},
276 {"estart", 1, 0, 's'},
277 {"eend", 1, 0, 'e'},
278 {"mainboard", 1, 0, 'm'},
279 {"verbose", 0, 0, 'V'},
280 {"force", 0, 0, 'f'},
281 {"layout", 1, 0, 'l'},
282 {"image", 1, 0, 'i'},
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000283 {"list-supported", 0, 0, 'L'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000284 {"help", 0, 0, 'h'},
Bernhard Walle201bde32008-01-21 15:24:22 +0000285 {"version", 0, 0, 'R'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000286 {0, 0, 0, 0}
Ollie Lho184a4042005-11-26 21:55:36 +0000287 };
Uwe Hermanna7e05482007-05-09 10:17:44 +0000288
Ollie Lhocbbf1252004-03-17 22:22:08 +0000289 char *filename = NULL;
Ronald G. Minnichceec4202003-07-25 04:37:41 +0000290
Uwe Hermanna7e05482007-05-09 10:17:44 +0000291 unsigned int exclude_start_position = 0, exclude_end_position = 0; // [x,y)
292 char *tempstr = NULL, *tempstr2 = NULL;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000293
294 if (argc > 1) {
295 /* Yes, print them. */
296 int i;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000297 printf_debug("The arguments are:\n");
Yinghai Luad8ffd22004-10-20 05:07:16 +0000298 for (i = 1; i < argc; ++i)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000299 printf_debug("%s\n", argv[i]);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000300 }
301
Ollie Lhocbbf1252004-03-17 22:22:08 +0000302 setbuf(stdout, NULL);
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000303 while ((opt = getopt_long(argc, argv, "rRwvVEfc:s:e:m:l:i:Lh",
Uwe Hermanna7e05482007-05-09 10:17:44 +0000304 long_options, &option_index)) != EOF) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000305 switch (opt) {
306 case 'r':
307 read_it = 1;
308 break;
309 case 'w':
310 write_it = 1;
311 break;
312 case 'v':
313 verify_it = 1;
314 break;
315 case 'c':
316 chip_to_probe = strdup(optarg);
317 break;
Ollie Lho789ad3d2004-03-18 20:27:33 +0000318 case 'V':
319 verbose = 1;
320 break;
Ollie Lhoefa28582004-12-08 20:10:01 +0000321 case 'E':
322 erase_it = 1;
323 break;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000324 case 's':
325 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000326 sscanf(tempstr, "%x", &exclude_start_position);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000327 break;
328 case 'e':
Ollie Lho98bea8a2004-12-07 03:15:51 +0000329 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000330 sscanf(tempstr, "%x", &exclude_end_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000331 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000332 case 'm':
333 tempstr = strdup(optarg);
334 strtok(tempstr, ":");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000335 tempstr2 = strtok(NULL, ":");
Ollie Lho184a4042005-11-26 21:55:36 +0000336 if (tempstr2) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000337 lb_vendor = tempstr;
338 lb_part = tempstr2;
Ollie Lho184a4042005-11-26 21:55:36 +0000339 } else {
Peter Stuge6b53fed2008-01-27 16:21:21 +0000340 lb_vendor = NULL;
341 lb_part = tempstr;
Ollie Lho184a4042005-11-26 21:55:36 +0000342 }
343 break;
344 case 'f':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000345 force = 1;
Ollie Lho184a4042005-11-26 21:55:36 +0000346 break;
347 case 'l':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000348 tempstr = strdup(optarg);
Stefan Reinauer0a05d672007-04-14 16:32:59 +0000349 if (read_romlayout(tempstr))
350 exit(1);
Ollie Lho184a4042005-11-26 21:55:36 +0000351 break;
352 case 'i':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000353 tempstr = strdup(optarg);
Ollie Lho184a4042005-11-26 21:55:36 +0000354 find_romentry(tempstr);
355 break;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000356 case 'L':
357 print_supported_chips();
358 print_supported_chipsets();
359 print_supported_boards();
360 exit(0);
361 break;
Bernhard Walle201bde32008-01-21 15:24:22 +0000362 case 'R':
363 print_version();
364 exit(0);
365 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000366 case 'h':
Ollie Lhocbbf1252004-03-17 22:22:08 +0000367 default:
368 usage(argv[0]);
369 break;
370 }
371 }
Yinghai Luad8ffd22004-10-20 05:07:16 +0000372
Ollie Lhocbbf1252004-03-17 22:22:08 +0000373 if (read_it && write_it) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000374 printf("Error: -r and -w are mutually exclusive.\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000375 usage(argv[0]);
376 }
Ronald G. Minniche5559572003-03-28 03:29:43 +0000377
Ollie Lhocbbf1252004-03-17 22:22:08 +0000378 if (optind < argc)
379 filename = argv[optind++];
Ronald G. Minniche5559572003-03-28 03:29:43 +0000380
Uwe Hermanna7e05482007-05-09 10:17:44 +0000381 /* First get full io access */
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000382#if defined (__sun) && (defined(__i386) || defined(__amd64))
Uwe Hermanna7e05482007-05-09 10:17:44 +0000383 if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
Andriy Gapon65c1b862008-05-22 13:22:45 +0000384#elif defined(__FreeBSD__)
385 if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000386#else
387 if (iopl(3) != 0) {
388#endif
Uwe Hermann394131e2008-10-18 21:14:13 +0000389 fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n", strerror(errno));
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000390 exit(1);
391 }
392
Uwe Hermanna7e05482007-05-09 10:17:44 +0000393 /* Initialize PCI access for flash enables */
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000394 pacc = pci_alloc(); /* Get the pci_access structure */
395 /* Set all options you want -- here we stick with the defaults */
396 pci_init(pacc); /* Initialize the PCI library */
397 pci_scan_bus(pacc); /* We want to get the list of devices */
398
Carl-Daniel Hailfinger6dc1d3b2008-05-14 14:51:22 +0000399 /* Open the memory device UNCACHED. That's important for MMIO. */
Uwe Hermann394131e2008-10-18 21:14:13 +0000400 if ((fd_mem = open(MEM_DEV, O_RDWR | O_SYNC)) < 0) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000401 perror("Error: Can not access memory using " MEM_DEV
402 ". You need to be root.");
Stefan Reinauer70385642007-04-06 11:58:03 +0000403 exit(1);
404 }
405
Ollie Lhocbbf1252004-03-17 22:22:08 +0000406 myusec_calibrate_delay();
Ollie Lho184a4042005-11-26 21:55:36 +0000407
408 /* We look at the lbtable first to see if we need a
409 * mainboard specific flash enable sequence.
410 */
Stefan Reinauere3f3e2e2008-01-18 15:33:10 +0000411 coreboot_init();
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000412
Ollie Lhocbbf1252004-03-17 22:22:08 +0000413 /* try to enable it. Failure IS an option, since not all motherboards
Ollie Lho184a4042005-11-26 21:55:36 +0000414 * really need this to be done, etc., etc.
Ollie Lhocbbf1252004-03-17 22:22:08 +0000415 */
Uwe Hermanna7e05482007-05-09 10:17:44 +0000416 ret = chipset_flash_enable();
417 if (ret == -2) {
418 printf("WARNING: No chipset found. Flash detection "
419 "will most likely fail.\n");
420 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000421
Uwe Hermanna7e05482007-05-09 10:17:44 +0000422 board_flash_enable(lb_vendor, lb_part);
Ollie Lho761bf1b2004-03-20 16:46:10 +0000423
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000424 for (i = 0; i < ARRAY_SIZE(flashes); i++) {
Uwe Hermann394131e2008-10-18 21:14:13 +0000425 flashes[i] =
426 probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000427 if (!flashes[i])
428 for (i++; i < ARRAY_SIZE(flashes); i++)
429 flashes[i] = NULL;
430 }
431
432 if (flashes[1]) {
433 printf("Multiple flash chips were detected:");
434 for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
435 printf(" %s", flashes[i]->name);
436 printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
437 exit(1);
438 } else if (!flashes[0]) {
Ollie Lho184a4042005-11-26 21:55:36 +0000439 printf("No EEPROM/flash device found.\n");
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000440 if (!force || !chip_to_probe) {
441 printf("If you know which flash chip you have, and if this version of flashrom\n");
442 printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
443 printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
444 printf("\n");
445 printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
446 }
447 if (force && read_it && chip_to_probe) {
448 printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
449 flashes[0] = probe_flash(flashchips, 1);
450 if (!flashes[0]) {
451 printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
452 printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
453 exit(1);
454 }
Peter Stuge23dc1df2008-10-10 20:43:17 +0000455 if (!filename) {
456 printf("Error: No filename specified.\n");
457 exit(1);
458 }
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000459 size = flashes[0]->total_size * 1024;
460 buf = (uint8_t *) calloc(size, sizeof(char));
461
462 if ((image = fopen(filename, "w")) == NULL) {
463 perror(filename);
464 exit(1);
465 }
466 printf("Force reading flash...");
467 if (!flashes[0]->read)
468 memcpy(buf, (const char *)flashes[0]->virtual_memory, size);
469 else
470 flashes[0]->read(flashes[0], buf);
471
472 if (exclude_end_position - exclude_start_position > 0)
473 memset(buf + exclude_start_position, 0,
Uwe Hermann394131e2008-10-18 21:14:13 +0000474 exclude_end_position -
475 exclude_start_position);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000476
477 fwrite(buf, sizeof(char), size, image);
478 fclose(image);
479 printf("done\n");
480 free(buf);
481 exit(0);
482 }
Jordan Crouse144ede62007-10-04 06:26:41 +0000483 // FIXME: flash writes stay enabled!
Ollie Lhocbbf1252004-03-17 22:22:08 +0000484 exit(1);
485 }
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000486
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000487 flash = flashes[0];
488
Peter Stuge1159d582008-05-03 04:34:37 +0000489 if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
490 printf("===\n");
491 if (flash->tested & TEST_BAD_MASK) {
492 printf("This flash part has status NOT WORKING for operations:");
493 if (flash->tested & TEST_BAD_PROBE)
494 printf(" PROBE");
495 if (flash->tested & TEST_BAD_READ)
496 printf(" READ");
497 if (flash->tested & TEST_BAD_ERASE)
498 printf(" ERASE");
499 if (flash->tested & TEST_BAD_WRITE)
500 printf(" WRITE");
501 printf("\n");
502 } else {
503 printf("This flash part has status UNTESTED for operations:");
504 if (!(flash->tested & TEST_OK_PROBE))
505 printf(" PROBE");
506 if (!(flash->tested & TEST_OK_READ))
507 printf(" READ");
508 if (!(flash->tested & TEST_OK_ERASE))
509 printf(" ERASE");
510 if (!(flash->tested & TEST_OK_WRITE))
511 printf(" WRITE");
512 printf("\n");
513 }
514 printf("Please email a report to flashrom@coreboot.org if any of the above operations\n");
515 printf("work correctly for you with this flash part. Please include the full output\n");
516 printf("from the program, including chipset found. Thank you for your help!\n");
517 printf("===\n");
518 }
Ollie Lho184a4042005-11-26 21:55:36 +0000519
Jordan Crouse144ede62007-10-04 06:26:41 +0000520 if (!(read_it | write_it | verify_it | erase_it)) {
521 printf("No operations were specified.\n");
522 // FIXME: flash writes stay enabled!
523 exit(1);
524 }
525
Ollie Lhoefa28582004-12-08 20:10:01 +0000526 if (!filename && !erase_it) {
Jordan Crouse144ede62007-10-04 06:26:41 +0000527 printf("Error: No filename specified.\n");
528 // FIXME: flash writes stay enabled!
529 exit(1);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000530 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000531
Ollie Lho184a4042005-11-26 21:55:36 +0000532 size = flash->total_size * 1024;
533 buf = (uint8_t *) calloc(size, sizeof(char));
Uwe Hermanna7e05482007-05-09 10:17:44 +0000534
Ollie Lhoefa28582004-12-08 20:10:01 +0000535 if (erase_it) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000536 printf("Erasing flash chip.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000537 if (!flash->erase) {
538 fprintf(stderr, "Error: flashrom has no erase function for this flash chip.\n");
539 return 1;
540 }
Ollie Lhoefa28582004-12-08 20:10:01 +0000541 flash->erase(flash);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000542 exit(0);
Ollie Lhoefa28582004-12-08 20:10:01 +0000543 } else if (read_it) {
Ollie Lho761bf1b2004-03-20 16:46:10 +0000544 if ((image = fopen(filename, "w")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000545 perror(filename);
546 exit(1);
547 }
548 printf("Reading Flash...");
Ollie Lho73eca802004-03-19 22:10:07 +0000549 if (flash->read == NULL)
Stefan Reinauerce532972007-05-23 17:20:56 +0000550 memcpy(buf, (const char *)flash->virtual_memory, size);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000551 else
Ollie Lho761bf1b2004-03-20 16:46:10 +0000552 flash->read(flash, buf);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000553
Ollie Lho98bea8a2004-12-07 03:15:51 +0000554 if (exclude_end_position - exclude_start_position > 0)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000555 memset(buf + exclude_start_position, 0,
556 exclude_end_position - exclude_start_position);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000557
Ollie Lhocbbf1252004-03-17 22:22:08 +0000558 fwrite(buf, sizeof(char), size, image);
559 fclose(image);
560 printf("done\n");
561 } else {
Stefan Reinauer018aca82006-11-21 23:48:51 +0000562 struct stat image_stat;
563
Ollie Lho761bf1b2004-03-20 16:46:10 +0000564 if ((image = fopen(filename, "r")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000565 perror(filename);
566 exit(1);
567 }
Stefan Reinauer018aca82006-11-21 23:48:51 +0000568 if (fstat(fileno(image), &image_stat) != 0) {
569 perror(filename);
570 exit(1);
571 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000572 if (image_stat.st_size != flash->total_size * 1024) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000573 fprintf(stderr, "Error: Image size doesn't match\n");
Stefan Reinauer018aca82006-11-21 23:48:51 +0000574 exit(1);
575 }
576
Ollie Lho761bf1b2004-03-20 16:46:10 +0000577 fread(buf, sizeof(char), size, image);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000578 show_id(buf, size, force);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000579 fclose(image);
580 }
581
Ollie Lho184a4042005-11-26 21:55:36 +0000582 /* exclude range stuff. Nice idea, but at the moment it is only
583 * supported in hardware by the pm49fl004 chips.
584 * Instead of implementing this for all chips I suggest advancing
585 * it to the rom layout feature below and drop exclude range
586 * completely once all flash chips can do rom layouts. stepan
587 */
Uwe Hermanna7e05482007-05-09 10:17:44 +0000588
Ollie Lho184a4042005-11-26 21:55:36 +0000589 // ////////////////////////////////////////////////////////////
Ollie Lho98bea8a2004-12-07 03:15:51 +0000590 if (exclude_end_position - exclude_start_position > 0)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000591 memcpy(buf + exclude_start_position,
Uwe Hermanna8808852007-05-24 19:17:29 +0000592 (const char *)flash->virtual_memory +
593 exclude_start_position,
Uwe Hermanna7e05482007-05-09 10:17:44 +0000594 exclude_end_position - exclude_start_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000595
Uwe Hermanna7e05482007-05-09 10:17:44 +0000596 exclude_start_page = exclude_start_position / flash->page_size;
597 if ((exclude_start_position % flash->page_size) != 0) {
Ollie Lho98bea8a2004-12-07 03:15:51 +0000598 exclude_start_page++;
599 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000600 exclude_end_page = exclude_end_position / flash->page_size;
Ollie Lho184a4042005-11-26 21:55:36 +0000601 // ////////////////////////////////////////////////////////////
Yinghai Luad8ffd22004-10-20 05:07:16 +0000602
Ollie Lho184a4042005-11-26 21:55:36 +0000603 // This should be moved into each flash part's code to do it
604 // cleanly. This does the job.
Stefan Reinauerce532972007-05-23 17:20:56 +0000605 handle_romentries(buf, (uint8_t *) flash->virtual_memory);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000606
Ollie Lho184a4042005-11-26 21:55:36 +0000607 // ////////////////////////////////////////////////////////////
Uwe Hermanna7e05482007-05-09 10:17:44 +0000608
Peter Stugef31104c2008-04-28 14:47:30 +0000609 if (write_it) {
610 if (!flash->write) {
611 fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
612 return 1;
613 }
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000614 ret |= flash->write(flash, buf);
Peter Stugef31104c2008-04-28 14:47:30 +0000615 }
Ollie Lho184a4042005-11-26 21:55:36 +0000616
Ollie Lhocbbf1252004-03-17 22:22:08 +0000617 if (verify_it)
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000618 ret |= verify_flash(flash, buf);
Ollie Lho184a4042005-11-26 21:55:36 +0000619
Andriy Gapon65c1b862008-05-22 13:22:45 +0000620#ifdef __FreeBSD__
621 close(io_fd);
622#endif
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000623 return ret;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000624}