blob: 6da6741a68452fafd16d46fc0acff7ce98d5dbde [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>
Uwe Hermannc7e8a0c2009-05-19 14:14:21 +00006 * Copyright (C) 2005-2008 coresystems GmbH
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +00007 * Copyright (C) 2008,2009 Carl-Daniel Hailfinger
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +00008 *
Uwe Hermannd1107642007-08-29 17:52:32 +00009 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000013 *
Uwe Hermannd1107642007-08-29 17:52:32 +000014 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000018 *
Uwe Hermannd1107642007-08-29 17:52:32 +000019 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000022 */
23
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000024#include <fcntl.h>
Stefan Reinauer018aca82006-11-21 23:48:51 +000025#include <sys/types.h>
26#include <sys/stat.h>
Ronald G. Minnichceec4202003-07-25 04:37:41 +000027#include <string.h>
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000028#include <stdlib.h>
Ollie Lho184a4042005-11-26 21:55:36 +000029#include <getopt.h>
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000030#include "flash.h"
Carl-Daniel Hailfinger08454642009-06-15 14:14:48 +000031#include "flashchips.h"
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +000032
Carl-Daniel Hailfingera80cfbc2009-07-22 20:13:00 +000033const char *flashrom_version = FLASHROM_VERSION;
Ronald G. Minnichceec4202003-07-25 04:37:41 +000034char *chip_to_probe = NULL;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +000035int verbose = 0;
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +000036enum programmer programmer = PROGRAMMER_INTERNAL;
Carl-Daniel Hailfingeref58a9c2009-08-12 13:32:56 +000037char *programmer_param = NULL;
Stefan Reinauer70385642007-04-06 11:58:03 +000038
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +000039const struct programmer_entry programmer_table[] = {
40 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +000041 .name = "internal",
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000042 .init = internal_init,
43 .shutdown = internal_shutdown,
Carl-Daniel Hailfinger1455b2b2009-05-11 14:13:25 +000044 .map_flash_region = physmap,
45 .unmap_flash_region = physunmap,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000046 .chip_readb = internal_chip_readb,
47 .chip_readw = internal_chip_readw,
48 .chip_readl = internal_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000049 .chip_readn = internal_chip_readn,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000050 .chip_writeb = internal_chip_writeb,
51 .chip_writew = internal_chip_writew,
52 .chip_writel = internal_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000053 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000054 .delay = internal_delay,
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +000055 },
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000056
Carl-Daniel Hailfingerc3129202009-05-09 00:54:55 +000057 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +000058 .name = "dummy",
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000059 .init = dummy_init,
60 .shutdown = dummy_shutdown,
Carl-Daniel Hailfinger1455b2b2009-05-11 14:13:25 +000061 .map_flash_region = dummy_map,
62 .unmap_flash_region = dummy_unmap,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000063 .chip_readb = dummy_chip_readb,
64 .chip_readw = dummy_chip_readw,
65 .chip_readl = dummy_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000066 .chip_readn = dummy_chip_readn,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000067 .chip_writeb = dummy_chip_writeb,
68 .chip_writew = dummy_chip_writew,
69 .chip_writel = dummy_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000070 .chip_writen = dummy_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000071 .delay = internal_delay,
Carl-Daniel Hailfingerc3129202009-05-09 00:54:55 +000072 },
73
Uwe Hermannb4dcb712009-05-13 11:36:06 +000074 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +000075 .name = "nic3com",
Uwe Hermannb4dcb712009-05-13 11:36:06 +000076 .init = nic3com_init,
77 .shutdown = nic3com_shutdown,
Uwe Hermannc6915932009-05-17 23:12:17 +000078 .map_flash_region = fallback_map,
79 .unmap_flash_region = fallback_unmap,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000080 .chip_readb = nic3com_chip_readb,
Carl-Daniel Hailfinger9ee10772009-05-16 01:23:55 +000081 .chip_readw = fallback_chip_readw,
82 .chip_readl = fallback_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000083 .chip_readn = fallback_chip_readn,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000084 .chip_writeb = nic3com_chip_writeb,
Carl-Daniel Hailfinger9ee10772009-05-16 01:23:55 +000085 .chip_writew = fallback_chip_writew,
86 .chip_writel = fallback_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000087 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000088 .delay = internal_delay,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000089 },
90
Rudolf Marek68720c72009-05-17 19:39:27 +000091 {
TURBO Jb0912c02009-09-02 23:00:46 +000092 .name = "drkaiser",
93 .init = drkaiser_init,
94 .shutdown = drkaiser_shutdown,
95 .map_flash_region = fallback_map,
96 .unmap_flash_region = fallback_unmap,
97 .chip_readb = drkaiser_chip_readb,
98 .chip_readw = fallback_chip_readw,
99 .chip_readl = fallback_chip_readl,
100 .chip_readn = fallback_chip_readn,
101 .chip_writeb = drkaiser_chip_writeb,
102 .chip_writew = fallback_chip_writew,
103 .chip_writel = fallback_chip_writel,
104 .chip_writen = fallback_chip_writen,
105 .delay = internal_delay,
106 },
107
108 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000109 .name = "satasii",
Rudolf Marek68720c72009-05-17 19:39:27 +0000110 .init = satasii_init,
111 .shutdown = satasii_shutdown,
Uwe Hermannc6915932009-05-17 23:12:17 +0000112 .map_flash_region = fallback_map,
113 .unmap_flash_region = fallback_unmap,
Rudolf Marek68720c72009-05-17 19:39:27 +0000114 .chip_readb = satasii_chip_readb,
115 .chip_readw = fallback_chip_readw,
116 .chip_readl = fallback_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000117 .chip_readn = fallback_chip_readn,
Rudolf Marek68720c72009-05-17 19:39:27 +0000118 .chip_writeb = satasii_chip_writeb,
119 .chip_writew = fallback_chip_writew,
120 .chip_writel = fallback_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000121 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000122 .delay = internal_delay,
Rudolf Marek68720c72009-05-17 19:39:27 +0000123 },
124
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000125 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000126 .name = "it87spi",
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000127 .init = it87spi_init,
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +0000128 .shutdown = fallback_shutdown,
129 .map_flash_region = fallback_map,
130 .unmap_flash_region = fallback_unmap,
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000131 .chip_readb = dummy_chip_readb,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000132 .chip_readw = fallback_chip_readw,
133 .chip_readl = fallback_chip_readl,
134 .chip_readn = fallback_chip_readn,
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +0000135 .chip_writeb = fallback_chip_writeb,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000136 .chip_writew = fallback_chip_writew,
137 .chip_writel = fallback_chip_writel,
138 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000139 .delay = internal_delay,
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000140 },
141
Carl-Daniel Hailfinger3426ef62009-08-19 13:27:58 +0000142#if FT2232_SPI_SUPPORT == 1
Paul Fox05dfbe62009-06-16 21:08:06 +0000143 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000144 .name = "ft2232spi",
Paul Fox05dfbe62009-06-16 21:08:06 +0000145 .init = ft2232_spi_init,
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +0000146 .shutdown = fallback_shutdown,
147 .map_flash_region = fallback_map,
148 .unmap_flash_region = fallback_unmap,
Paul Fox05dfbe62009-06-16 21:08:06 +0000149 .chip_readb = dummy_chip_readb,
150 .chip_readw = fallback_chip_readw,
151 .chip_readl = fallback_chip_readl,
152 .chip_readn = fallback_chip_readn,
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +0000153 .chip_writeb = fallback_chip_writeb,
Paul Fox05dfbe62009-06-16 21:08:06 +0000154 .chip_writew = fallback_chip_writew,
155 .chip_writel = fallback_chip_writel,
156 .chip_writen = fallback_chip_writen,
157 .delay = internal_delay,
158 },
Carl-Daniel Hailfinger3426ef62009-08-19 13:27:58 +0000159#endif
Carl-Daniel Hailfinger415e5132009-08-12 11:39:29 +0000160
Carl-Daniel Hailfinger6be74112009-08-12 16:17:41 +0000161#if SERPROG_SUPPORT == 1
Urja Rannikko22915352009-06-23 11:33:43 +0000162 {
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000163 .name = "serprog",
Urja Rannikko22915352009-06-23 11:33:43 +0000164 .init = serprog_init,
165 .shutdown = serprog_shutdown,
166 .map_flash_region = fallback_map,
167 .unmap_flash_region = fallback_unmap,
168 .chip_readb = serprog_chip_readb,
169 .chip_readw = fallback_chip_readw,
170 .chip_readl = fallback_chip_readl,
171 .chip_readn = serprog_chip_readn,
172 .chip_writeb = serprog_chip_writeb,
173 .chip_writew = fallback_chip_writew,
174 .chip_writel = fallback_chip_writel,
175 .chip_writen = fallback_chip_writen,
176 .delay = serprog_delay,
177 },
Carl-Daniel Hailfinger6be74112009-08-12 16:17:41 +0000178#endif
Paul Fox05dfbe62009-06-16 21:08:06 +0000179
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000180 {}, /* This entry corresponds to PROGRAMMER_INVALID. */
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000181};
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000182
Uwe Hermann09e04f72009-05-16 22:36:00 +0000183int programmer_init(void)
184{
185 return programmer_table[programmer].init();
186}
187
188int programmer_shutdown(void)
189{
190 return programmer_table[programmer].shutdown();
191}
192
193void *programmer_map_flash_region(const char *descr, unsigned long phys_addr,
194 size_t len)
195{
196 return programmer_table[programmer].map_flash_region(descr,
197 phys_addr, len);
198}
199
200void programmer_unmap_flash_region(void *virt_addr, size_t len)
201{
202 programmer_table[programmer].unmap_flash_region(virt_addr, len);
203}
204
205void chip_writeb(uint8_t val, chipaddr addr)
206{
207 programmer_table[programmer].chip_writeb(val, addr);
208}
209
210void chip_writew(uint16_t val, chipaddr addr)
211{
212 programmer_table[programmer].chip_writew(val, addr);
213}
214
215void chip_writel(uint32_t val, chipaddr addr)
216{
217 programmer_table[programmer].chip_writel(val, addr);
218}
219
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000220void chip_writen(uint8_t *buf, chipaddr addr, size_t len)
221{
222 programmer_table[programmer].chip_writen(buf, addr, len);
223}
224
Uwe Hermann09e04f72009-05-16 22:36:00 +0000225uint8_t chip_readb(const chipaddr addr)
226{
227 return programmer_table[programmer].chip_readb(addr);
228}
229
230uint16_t chip_readw(const chipaddr addr)
231{
232 return programmer_table[programmer].chip_readw(addr);
233}
234
235uint32_t chip_readl(const chipaddr addr)
236{
237 return programmer_table[programmer].chip_readl(addr);
238}
239
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000240void chip_readn(uint8_t *buf, chipaddr addr, size_t len)
241{
242 programmer_table[programmer].chip_readn(buf, addr, len);
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000243}
244
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000245void programmer_delay(int usecs)
246{
247 programmer_table[programmer].delay(usecs);
248}
249
Peter Stuge776d2022009-01-26 00:39:57 +0000250void map_flash_registers(struct flashchip *flash)
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000251{
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000252 size_t size = flash->total_size * 1024;
Carl-Daniel Hailfingerd0fc9462009-05-11 14:01:17 +0000253 /* Flash registers live 4 MByte below the flash. */
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000254 /* FIXME: This is incorrect for nonstandard flashbase. */
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000255 flash->virtual_registers = (chipaddr)programmer_map_flash_region("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size);
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000256}
257
Carl-Daniel Hailfingercbf563c2009-06-16 08:55:44 +0000258int read_memmapped(struct flashchip *flash, uint8_t *buf, int start, int len)
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000259{
Carl-Daniel Hailfingercbf563c2009-06-16 08:55:44 +0000260 chip_readn(buf, flash->virtual_memory + start, len);
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000261
262 return 0;
263}
264
Carl-Daniel Hailfinger38a059d2009-06-13 12:04:03 +0000265int min(int a, int b)
266{
267 return (a < b) ? a : b;
268}
269
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000270int max(int a, int b)
271{
272 return (a > b) ? a : b;
273}
274
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000275char *strcat_realloc(char *dest, const char *src)
276{
277 dest = realloc(dest, strlen(dest) + strlen(src) + 1);
278 if (!dest)
279 return NULL;
280 strcat(dest, src);
281 return dest;
282}
283
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000284/* start is an offset to the base address of the flash chip */
285int check_erased_range(struct flashchip *flash, int start, int len)
286{
287 int ret;
288 uint8_t *cmpbuf = malloc(len);
289
290 if (!cmpbuf) {
291 fprintf(stderr, "Could not allocate memory!\n");
292 exit(1);
293 }
294 memset(cmpbuf, 0xff, len);
295 ret = verify_range(flash, cmpbuf, start, len, "ERASE");
296 free(cmpbuf);
297 return ret;
298}
299
300/**
301 * @cmpbuf buffer to compare against
302 * @start offset to the base address of the flash chip
303 * @len length of the verified area
304 * @message string to print in the "FAILED" message
305 * @return 0 for success, -1 for failure
306 */
307int verify_range(struct flashchip *flash, uint8_t *cmpbuf, int start, int len, char *message)
308{
309 int i, j, starthere, lenhere, ret = 0;
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000310 int page_size = flash->page_size;
311 uint8_t *readbuf = malloc(page_size);
Carl-Daniel Hailfinger49b9cab2009-07-23 01:42:56 +0000312 int failcount = 0;
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000313
314 if (!len)
315 goto out_free;
316
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000317 if (!flash->read) {
318 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
319 return 1;
320 }
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000321 if (!readbuf) {
322 fprintf(stderr, "Could not allocate memory!\n");
323 exit(1);
324 }
325
326 if (start + len > flash->total_size * 1024) {
327 fprintf(stderr, "Error: %s called with start 0x%x + len 0x%x >"
328 " total_size 0x%x\n", __func__, start, len,
329 flash->total_size * 1024);
330 ret = -1;
331 goto out_free;
332 }
333 if (!message)
334 message = "VERIFY";
335
336 /* Warning: This loop has a very unusual condition and body.
337 * The loop needs to go through each page with at least one affected
338 * byte. The lowest page number is (start / page_size) since that
339 * division rounds down. The highest page number we want is the page
340 * where the last byte of the range lives. That last byte has the
341 * address (start + len - 1), thus the highest page number is
342 * (start + len - 1) / page_size. Since we want to include that last
343 * page as well, the loop condition uses <=.
344 */
345 for (i = start / page_size; i <= (start + len - 1) / page_size; i++) {
346 /* Byte position of the first byte in the range in this page. */
347 starthere = max(start, i * page_size);
348 /* Length of bytes in the range in this page. */
349 lenhere = min(start + len, (i + 1) * page_size) - starthere;
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000350 flash->read(flash, readbuf, starthere, lenhere);
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000351 for (j = 0; j < lenhere; j++) {
352 if (cmpbuf[starthere - start + j] != readbuf[j]) {
Carl-Daniel Hailfinger49b9cab2009-07-23 01:42:56 +0000353 /* Only print the first failure. */
354 if (!failcount++)
355 fprintf(stderr, "%s FAILED at 0x%08x! "
356 "Expected=0x%02x, Read=0x%02x,",
357 message, starthere + j,
358 cmpbuf[starthere - start + j],
359 readbuf[j]);
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000360 }
361 }
362 }
Carl-Daniel Hailfinger49b9cab2009-07-23 01:42:56 +0000363 if (failcount) {
364 fprintf(stderr, " failed byte count from 0x%08x-0x%08x: 0x%x\n",
365 start, start + len - 1, failcount);
366 ret = -1;
367 }
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000368
369out_free:
370 free(readbuf);
371 return ret;
372}
373
Peter Stuge483b8f02008-09-03 23:10:05 +0000374struct flashchip *probe_flash(struct flashchip *first_flash, int force)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000375{
Peter Stuge483b8f02008-09-03 23:10:05 +0000376 struct flashchip *flash;
Peter Stuge7ccce542008-12-03 23:36:48 +0000377 unsigned long base = 0, size;
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000378 char *tmp;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000379
Peter Stuge483b8f02008-09-03 23:10:05 +0000380 for (flash = first_flash; flash && flash->name; flash++) {
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000381 if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0)
Ollie Lhocbbf1252004-03-17 22:22:08 +0000382 continue;
Stefan Reinauerac378972008-03-17 22:59:40 +0000383 printf_debug("Probing for %s %s, %d KB: ",
384 flash->vendor, flash->name, flash->total_size);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000385 if (!flash->probe && !force) {
Peter Stugef31104c2008-04-28 14:47:30 +0000386 printf_debug("failed! flashrom has no probe function for this flash chip.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000387 continue;
388 }
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000389 if (!(buses_supported & flash->bustype)) {
390 tmp = flashbuses_to_text(buses_supported);
391 printf_debug("skipped. Host bus type %s ", tmp);
392 free(tmp);
393 tmp = flashbuses_to_text(flash->bustype);
394 printf_debug("and chip bus type %s are incompatible.\n", tmp);
395 free(tmp);
396 continue;
397 }
Stefan Reinauer70385642007-04-06 11:58:03 +0000398
Ollie Lhocbbf1252004-03-17 22:22:08 +0000399 size = flash->total_size * 1024;
Stefan Reinauer70385642007-04-06 11:58:03 +0000400
Carl-Daniel Hailfinger97d6b092009-05-09 07:27:23 +0000401 base = flashbase ? flashbase : (0xffffffff - size + 1);
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000402 flash->virtual_memory = (chipaddr)programmer_map_flash_region("flash chip", base, size);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000403
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000404 if (force)
405 break;
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000406
Peter Stuge483b8f02008-09-03 23:10:05 +0000407 if (flash->probe(flash) != 1)
408 goto notfound;
409
Uwe Hermann394131e2008-10-18 21:14:13 +0000410 if (first_flash == flashchips
411 || flash->model_id != GENERIC_DEVICE_ID)
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000412 break;
413
Peter Stuge483b8f02008-09-03 23:10:05 +0000414notfound:
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000415 programmer_unmap_flash_region((void *)flash->virtual_memory, size);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000416 }
Uwe Hermannffec5f32007-08-23 16:08:21 +0000417
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000418 if (!flash || !flash->name)
419 return NULL;
420
Uwe Hermann9899cad2009-06-28 21:47:57 +0000421 printf("Found chip \"%s %s\" (%d KB, %s) at physical address 0x%lx.\n",
422 flash->vendor, flash->name, flash->total_size,
423 flashbuses_to_text(flash->bustype), base);
424
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000425 return flash;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000426}
427
Stefan Reinauere3705282005-12-18 16:41:10 +0000428int verify_flash(struct flashchip *flash, uint8_t *buf)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000429{
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000430 int ret;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000431 int total_size = flash->total_size * 1024;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000432
Uwe Hermanna502dce2007-10-17 23:55:15 +0000433 printf("Verifying flash... ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000434
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000435 ret = verify_range(flash, buf, 0, total_size, NULL);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000436
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000437 if (!ret)
438 printf("VERIFIED. \n");
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000439
Carl-Daniel Hailfinger23290662009-06-24 08:20:45 +0000440 return ret;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000441}
442
Carl-Daniel Hailfinger49eb4dd2009-06-19 11:23:57 +0000443int read_flash(struct flashchip *flash, char *filename)
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000444{
445 unsigned long numbytes;
446 FILE *image;
447 unsigned long size = flash->total_size * 1024;
448 unsigned char *buf = calloc(size, sizeof(char));
Stephan Guilloux21dd55b2009-06-01 22:07:52 +0000449
450 if (!filename) {
451 printf("Error: No filename specified.\n");
452 return 1;
453 }
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000454 if ((image = fopen(filename, "w")) == NULL) {
455 perror(filename);
456 exit(1);
457 }
458 printf("Reading flash... ");
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000459 if (!flash->read) {
460 printf("FAILED!\n");
461 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
462 return 1;
463 } else
Carl-Daniel Hailfingercbf563c2009-06-16 08:55:44 +0000464 flash->read(flash, buf, 0, size);
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000465
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000466 numbytes = fwrite(buf, 1, size, image);
467 fclose(image);
Stephan Guilloux5a8b2442009-06-01 21:37:00 +0000468 free(buf);
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000469 printf("%s.\n", numbytes == size ? "done" : "FAILED");
470 if (numbytes != size)
471 return 1;
472 return 0;
473}
474
475int erase_flash(struct flashchip *flash)
476{
477 uint32_t erasedbytes;
478 unsigned long size = flash->total_size * 1024;
479 unsigned char *buf = calloc(size, sizeof(char));
480 printf("Erasing flash chip... ");
481 if (NULL == flash->erase) {
482 printf("FAILED!\n");
483 fprintf(stderr, "ERROR: flashrom has no erase function for this flash chip.\n");
484 return 1;
485 }
Carl-Daniel Hailfingerf160a122009-05-08 17:15:15 +0000486 flash->erase(flash);
487
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000488 /* FIXME: The lines below are superfluous. We should check the result
489 * of flash->erase(flash) instead.
490 */
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000491 if (!flash->read) {
492 printf("FAILED!\n");
493 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
494 return 1;
495 } else
Carl-Daniel Hailfingercbf563c2009-06-16 08:55:44 +0000496 flash->read(flash, buf, 0, size);
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000497
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000498 for (erasedbytes = 0; erasedbytes < size; erasedbytes++)
499 if (0xff != buf[erasedbytes]) {
500 printf("FAILED!\n");
501 fprintf(stderr, "ERROR at 0x%08x: Expected=0xff, Read=0x%02x\n",
502 erasedbytes, buf[erasedbytes]);
503 return 1;
504 }
505 printf("SUCCESS.\n");
506 return 0;
507}
508
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000509void emergency_help_message()
510{
511 fprintf(stderr, "Your flash chip is in an unknown state.\n"
512 "Get help on IRC at irc.freenode.net channel #flashrom or\n"
513 "mail flashrom@flashrom.org\n"
514 "------------------------------------------------------------\n"
515 "DO NOT REBOOT OR POWEROFF!\n");
516}
517
Ronald G. Minniche5559572003-03-28 03:29:43 +0000518void usage(const char *name)
519{
Carl-Daniel Hailfinger204b0762009-08-13 11:38:44 +0000520 const char *pname;
521 int pnamelen;
522 int remaining = 0;
523 enum programmer p;
524
Carl-Daniel Hailfinger49eb4dd2009-06-19 11:23:57 +0000525 printf("usage: %s [-VfLzhR] [-E|-r file|-w file|-v file] [-c chipname]\n"
Carl-Daniel Hailfinger5d1f4182009-06-24 08:18:38 +0000526 " [-m [vendor:]part] [-l file] [-i image] [-p programmer]\n\n", name);
Uwe Hermannc7e8a0c2009-05-19 14:14:21 +0000527
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000528 printf("Please note that the command line interface for flashrom will "
529 "change before\nflashrom 1.0. Do not use flashrom in scripts "
530 "or other automated tools without\nchecking that your flashrom"
531 " version won't interpret options in a different way.\n\n");
Uwe Hermannc7e8a0c2009-05-19 14:14:21 +0000532
Uwe Hermanna7e05482007-05-09 10:17:44 +0000533 printf
Peter Stuge6b53fed2008-01-27 16:21:21 +0000534 (" -r | --read: read flash and save into file\n"
535 " -w | --write: write file into flash\n"
536 " -v | --verify: verify flash against file\n"
Uwe Hermannea07f622009-06-24 17:31:08 +0000537 " -n | --noverify: don't verify flash against file\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000538 " -E | --erase: erase flash device\n"
539 " -V | --verbose: more verbose output\n"
540 " -c | --chip <chipname>: probe only for specified flash chip\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000541 " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
542 " -f | --force: force write without checking image\n"
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000543 " -l | --layout <file.layout>: read ROM layout from file\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000544 " -i | --image <name>: only flash image name from flash layout\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000545 " -L | --list-supported: print supported devices\n"
Uwe Hermann20a293f2009-06-19 10:42:43 +0000546 " -z | --list-supported-wiki: print supported devices in wiki syntax\n"
Carl-Daniel Hailfinger204b0762009-08-13 11:38:44 +0000547 " -p | --programmer <name>: specify the programmer device");
548
549 for (p = 0; p < PROGRAMMER_INVALID; p++) {
550 pname = programmer_table[p].name;
551 pnamelen = strlen(pname);
552 if (remaining - pnamelen - 2 < 0) {
553 printf("\n ");
554 remaining = 43;
555 } else {
556 printf(" ");
557 remaining--;
558 }
559 if (p == 0) {
560 printf("(");
561 remaining--;
562 }
563 printf("%s", pname);
564 remaining -= pnamelen;
565 if (p < PROGRAMMER_INVALID - 1) {
566 printf(",");
567 remaining--;
568 } else {
569 printf(")\n");
570 }
571 }
572
573 printf(
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000574 " -h | --help: print this help text\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000575 " -R | --version: print the version (release)\n"
Carl-Daniel Hailfinger5d1f4182009-06-24 08:18:38 +0000576 "\nYou can specify one of -E, -r, -w, -v or no operation. If no operation is\n"
577 "specified, then all that happens is that flash info is dumped.\n\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000578 exit(1);
Ronald G. Minniche5559572003-03-28 03:29:43 +0000579}
580
Bernhard Walle201bde32008-01-21 15:24:22 +0000581void print_version(void)
582{
Carl-Daniel Hailfingera80cfbc2009-07-22 20:13:00 +0000583 printf("flashrom v%s\n", flashrom_version);
Bernhard Walle201bde32008-01-21 15:24:22 +0000584}
585
Ollie Lho761bf1b2004-03-20 16:46:10 +0000586int main(int argc, char *argv[])
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000587{
Ollie Lho184a4042005-11-26 21:55:36 +0000588 uint8_t *buf;
Peter Stuge1fec0f32009-01-12 21:00:35 +0000589 unsigned long size, numbytes;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000590 FILE *image;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000591 /* Probe for up to three flash chips. */
592 struct flashchip *flash, *flashes[3];
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000593 const char *name;
594 int namelen;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000595 int opt;
Ollie Lho184a4042005-11-26 21:55:36 +0000596 int option_index = 0;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000597 int force = 0;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000598 int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
Uwe Hermannea07f622009-06-24 17:31:08 +0000599 int dont_verify_it = 0, list_supported = 0, list_supported_wiki = 0;
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000600 int operation_specified = 0;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000601 int ret = 0, i;
Ollie Lho184a4042005-11-26 21:55:36 +0000602
Uwe Hermanna7e05482007-05-09 10:17:44 +0000603 static struct option long_options[] = {
604 {"read", 0, 0, 'r'},
605 {"write", 0, 0, 'w'},
606 {"erase", 0, 0, 'E'},
607 {"verify", 0, 0, 'v'},
Uwe Hermannea07f622009-06-24 17:31:08 +0000608 {"noverify", 0, 0, 'n'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000609 {"chip", 1, 0, 'c'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000610 {"mainboard", 1, 0, 'm'},
611 {"verbose", 0, 0, 'V'},
612 {"force", 0, 0, 'f'},
613 {"layout", 1, 0, 'l'},
614 {"image", 1, 0, 'i'},
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000615 {"list-supported", 0, 0, 'L'},
Uwe Hermann20a293f2009-06-19 10:42:43 +0000616 {"list-supported-wiki", 0, 0, 'z'},
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000617 {"programmer", 1, 0, 'p'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000618 {"help", 0, 0, 'h'},
Bernhard Walle201bde32008-01-21 15:24:22 +0000619 {"version", 0, 0, 'R'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000620 {0, 0, 0, 0}
Ollie Lho184a4042005-11-26 21:55:36 +0000621 };
Uwe Hermanna7e05482007-05-09 10:17:44 +0000622
Ollie Lhocbbf1252004-03-17 22:22:08 +0000623 char *filename = NULL;
Ronald G. Minnichceec4202003-07-25 04:37:41 +0000624
Uwe Hermanna7e05482007-05-09 10:17:44 +0000625 char *tempstr = NULL, *tempstr2 = NULL;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000626
Carl-Daniel Hailfinger259fa012009-05-07 00:59:53 +0000627 print_version();
628
Yinghai Luad8ffd22004-10-20 05:07:16 +0000629 if (argc > 1) {
630 /* Yes, print them. */
631 int i;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000632 printf_debug("The arguments are:\n");
Yinghai Luad8ffd22004-10-20 05:07:16 +0000633 for (i = 1; i < argc; ++i)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000634 printf_debug("%s\n", argv[i]);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000635 }
636
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000637 /* Safety check. */
638 if (ARRAY_SIZE(programmer_table) - 1 != PROGRAMMER_INVALID) {
639 fprintf(stderr, "Programmer table miscompilation!\n");
640 exit(1);
641 }
Carl-Daniel Hailfinger3426ef62009-08-19 13:27:58 +0000642 if (spi_programmer_count - 1 != SPI_CONTROLLER_INVALID) {
643 fprintf(stderr, "SPI programmer table miscompilation!\n");
644 exit(1);
645 }
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000646
Ollie Lhocbbf1252004-03-17 22:22:08 +0000647 setbuf(stdout, NULL);
Uwe Hermannea07f622009-06-24 17:31:08 +0000648 while ((opt = getopt_long(argc, argv, "rRwvnVEfc:m:l:i:p:Lzh",
Uwe Hermanna7e05482007-05-09 10:17:44 +0000649 long_options, &option_index)) != EOF) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000650 switch (opt) {
651 case 'r':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000652 if (++operation_specified > 1) {
653 fprintf(stderr, "More than one operation "
654 "specified. Aborting.\n");
655 exit(1);
656 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000657 read_it = 1;
658 break;
659 case 'w':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000660 if (++operation_specified > 1) {
661 fprintf(stderr, "More than one operation "
662 "specified. Aborting.\n");
663 exit(1);
664 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000665 write_it = 1;
666 break;
667 case 'v':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000668 if (++operation_specified > 1) {
669 fprintf(stderr, "More than one operation "
670 "specified. Aborting.\n");
671 exit(1);
672 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000673 verify_it = 1;
674 break;
Uwe Hermannea07f622009-06-24 17:31:08 +0000675 case 'n':
676 dont_verify_it = 1;
677 break;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000678 case 'c':
679 chip_to_probe = strdup(optarg);
680 break;
Ollie Lho789ad3d2004-03-18 20:27:33 +0000681 case 'V':
682 verbose = 1;
683 break;
Ollie Lhoefa28582004-12-08 20:10:01 +0000684 case 'E':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000685 if (++operation_specified > 1) {
686 fprintf(stderr, "More than one operation "
687 "specified. Aborting.\n");
688 exit(1);
689 }
Ollie Lhoefa28582004-12-08 20:10:01 +0000690 erase_it = 1;
691 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000692 case 'm':
693 tempstr = strdup(optarg);
694 strtok(tempstr, ":");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000695 tempstr2 = strtok(NULL, ":");
Ollie Lho184a4042005-11-26 21:55:36 +0000696 if (tempstr2) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000697 lb_vendor = tempstr;
698 lb_part = tempstr2;
Ollie Lho184a4042005-11-26 21:55:36 +0000699 } else {
Peter Stuge6b53fed2008-01-27 16:21:21 +0000700 lb_vendor = NULL;
701 lb_part = tempstr;
Ollie Lho184a4042005-11-26 21:55:36 +0000702 }
703 break;
704 case 'f':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000705 force = 1;
Ollie Lho184a4042005-11-26 21:55:36 +0000706 break;
707 case 'l':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000708 tempstr = strdup(optarg);
Stefan Reinauer0a05d672007-04-14 16:32:59 +0000709 if (read_romlayout(tempstr))
710 exit(1);
Ollie Lho184a4042005-11-26 21:55:36 +0000711 break;
712 case 'i':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000713 tempstr = strdup(optarg);
Ollie Lho184a4042005-11-26 21:55:36 +0000714 find_romentry(tempstr);
715 break;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000716 case 'L':
Uwe Hermann05fab752009-05-16 23:42:17 +0000717 list_supported = 1;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000718 break;
Uwe Hermann20a293f2009-06-19 10:42:43 +0000719 case 'z':
720 list_supported_wiki = 1;
721 break;
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000722 case 'p':
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000723 for (programmer = 0; programmer < PROGRAMMER_INVALID; programmer++) {
724 name = programmer_table[programmer].name;
725 namelen = strlen(name);
726 if (strncmp(optarg, name, namelen) == 0) {
727 switch (optarg[namelen]) {
Carl-Daniel Hailfinger664e7ad2009-08-19 15:03:28 +0000728 case ':':
Carl-Daniel Hailfinger37fc4692009-08-12 14:34:35 +0000729 programmer_param = strdup(optarg + namelen + 1);
730 break;
731 case '\0':
732 break;
733 default:
734 /* The continue refers to the
735 * for loop. It is here to be
736 * able to differentiate between
737 * foo and foobar.
738 */
739 continue;
740 }
741 break;
742 }
743 }
744 if (programmer == PROGRAMMER_INVALID) {
Carl-Daniel Hailfinger664e7ad2009-08-19 15:03:28 +0000745 printf("Error: Unknown programmer %s.\n", optarg);
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000746 exit(1);
747 }
748 break;
Bernhard Walle201bde32008-01-21 15:24:22 +0000749 case 'R':
Carl-Daniel Hailfinger259fa012009-05-07 00:59:53 +0000750 /* print_version() is always called during startup. */
Bernhard Walle201bde32008-01-21 15:24:22 +0000751 exit(0);
752 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000753 case 'h':
Ollie Lhocbbf1252004-03-17 22:22:08 +0000754 default:
755 usage(argv[0]);
756 break;
757 }
758 }
Yinghai Luad8ffd22004-10-20 05:07:16 +0000759
Uwe Hermann05fab752009-05-16 23:42:17 +0000760 if (list_supported) {
761 print_supported_chips();
762 print_supported_chipsets();
763 print_supported_boards();
764 printf("\nSupported PCI devices flashrom can use "
765 "as programmer:\n\n");
766 print_supported_pcidevs(nics_3com);
TURBO Jb0912c02009-09-02 23:00:46 +0000767 print_supported_pcidevs(drkaiser_pcidev);
Uwe Hermanneaefb482009-05-17 22:57:34 +0000768 print_supported_pcidevs(satas_sii);
Uwe Hermann05fab752009-05-16 23:42:17 +0000769 exit(0);
770 }
771
Uwe Hermann20a293f2009-06-19 10:42:43 +0000772 if (list_supported_wiki) {
Uwe Hermanna2d05012009-06-20 01:21:38 +0000773 print_wiki_tables();
Uwe Hermann20a293f2009-06-19 10:42:43 +0000774 exit(0);
775 }
776
Ollie Lhocbbf1252004-03-17 22:22:08 +0000777 if (read_it && write_it) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000778 printf("Error: -r and -w are mutually exclusive.\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000779 usage(argv[0]);
780 }
Ronald G. Minniche5559572003-03-28 03:29:43 +0000781
Ollie Lhocbbf1252004-03-17 22:22:08 +0000782 if (optind < argc)
783 filename = argv[optind++];
Ronald G. Minniche5559572003-03-28 03:29:43 +0000784
Carl-Daniel Hailfinger34cc6cc2009-06-28 10:57:58 +0000785 if (programmer_init()) {
786 fprintf(stderr, "Error: Programmer initialization failed.\n");
787 exit(1);
788 }
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000789
Ollie Lhocbbf1252004-03-17 22:22:08 +0000790 myusec_calibrate_delay();
Ollie Lho184a4042005-11-26 21:55:36 +0000791
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000792 for (i = 0; i < ARRAY_SIZE(flashes); i++) {
Uwe Hermann394131e2008-10-18 21:14:13 +0000793 flashes[i] =
794 probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000795 if (!flashes[i])
796 for (i++; i < ARRAY_SIZE(flashes); i++)
797 flashes[i] = NULL;
798 }
799
800 if (flashes[1]) {
801 printf("Multiple flash chips were detected:");
802 for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
803 printf(" %s", flashes[i]->name);
804 printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
805 exit(1);
806 } else if (!flashes[0]) {
Ollie Lho184a4042005-11-26 21:55:36 +0000807 printf("No EEPROM/flash device found.\n");
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000808 if (!force || !chip_to_probe) {
809 printf("If you know which flash chip you have, and if this version of flashrom\n");
810 printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
811 printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
812 printf("\n");
813 printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
814 }
815 if (force && read_it && chip_to_probe) {
816 printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
817 flashes[0] = probe_flash(flashchips, 1);
818 if (!flashes[0]) {
819 printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
820 printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
821 exit(1);
822 }
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000823 printf("Please note that forced reads most likely contain garbage.\n");
Carl-Daniel Hailfinger49eb4dd2009-06-19 11:23:57 +0000824 return read_flash(flashes[0], filename);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000825 }
Jordan Crouse144ede62007-10-04 06:26:41 +0000826 // FIXME: flash writes stay enabled!
Ollie Lhocbbf1252004-03-17 22:22:08 +0000827 exit(1);
828 }
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000829
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000830 flash = flashes[0];
831
Peter Stuge1159d582008-05-03 04:34:37 +0000832 if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
833 printf("===\n");
834 if (flash->tested & TEST_BAD_MASK) {
835 printf("This flash part has status NOT WORKING for operations:");
836 if (flash->tested & TEST_BAD_PROBE)
837 printf(" PROBE");
838 if (flash->tested & TEST_BAD_READ)
839 printf(" READ");
840 if (flash->tested & TEST_BAD_ERASE)
841 printf(" ERASE");
842 if (flash->tested & TEST_BAD_WRITE)
843 printf(" WRITE");
844 printf("\n");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000845 }
846 if ((!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE)) ||
847 (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ)) ||
848 (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE)) ||
849 (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))) {
Peter Stuge1159d582008-05-03 04:34:37 +0000850 printf("This flash part has status UNTESTED for operations:");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000851 if (!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE))
Peter Stuge1159d582008-05-03 04:34:37 +0000852 printf(" PROBE");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000853 if (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ))
Peter Stuge1159d582008-05-03 04:34:37 +0000854 printf(" READ");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000855 if (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE))
Peter Stuge1159d582008-05-03 04:34:37 +0000856 printf(" ERASE");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000857 if (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))
Peter Stuge1159d582008-05-03 04:34:37 +0000858 printf(" WRITE");
859 printf("\n");
860 }
Stefan Reinauer22ea8cd2009-07-30 13:32:26 +0000861 printf("Please email a report to flashrom@flashrom.org if any "
Uwe Hermanna9720402009-05-21 15:55:46 +0000862 "of the above operations\nwork correctly for you with "
863 "this flash part. Please include the flashrom\noutput "
864 "with the additional -V option for all operations you "
865 "tested (-V, -rV,\n-wV, -EV), and mention which "
866 "mainboard you tested. Thanks for your help!\n===\n");
Peter Stuge1159d582008-05-03 04:34:37 +0000867 }
Ollie Lho184a4042005-11-26 21:55:36 +0000868
Jordan Crouse144ede62007-10-04 06:26:41 +0000869 if (!(read_it | write_it | verify_it | erase_it)) {
870 printf("No operations were specified.\n");
871 // FIXME: flash writes stay enabled!
872 exit(1);
873 }
874
Ollie Lhoefa28582004-12-08 20:10:01 +0000875 if (!filename && !erase_it) {
Jordan Crouse144ede62007-10-04 06:26:41 +0000876 printf("Error: No filename specified.\n");
877 // FIXME: flash writes stay enabled!
878 exit(1);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000879 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000880
Uwe Hermannea07f622009-06-24 17:31:08 +0000881 /* Always verify write operations unless -n is used. */
882 if (write_it && !dont_verify_it)
883 verify_it = 1;
884
Ollie Lho184a4042005-11-26 21:55:36 +0000885 size = flash->total_size * 1024;
886 buf = (uint8_t *) calloc(size, sizeof(char));
Uwe Hermanna7e05482007-05-09 10:17:44 +0000887
Ollie Lhoefa28582004-12-08 20:10:01 +0000888 if (erase_it) {
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000889 if (flash->tested & TEST_BAD_ERASE) {
890 fprintf(stderr, "Erase is not working on this chip. ");
891 if (!force) {
892 fprintf(stderr, "Aborting.\n");
893 return 1;
894 } else {
895 fprintf(stderr, "Continuing anyway.\n");
896 }
897 }
898 if (erase_flash(flash)) {
899 emergency_help_message();
Peter Stugef31104c2008-04-28 14:47:30 +0000900 return 1;
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000901 }
Ollie Lhoefa28582004-12-08 20:10:01 +0000902 } else if (read_it) {
Carl-Daniel Hailfinger49eb4dd2009-06-19 11:23:57 +0000903 if (read_flash(flash, filename))
Peter Stuge1fec0f32009-01-12 21:00:35 +0000904 return 1;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000905 } else {
Stefan Reinauer018aca82006-11-21 23:48:51 +0000906 struct stat image_stat;
907
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000908 if (flash->tested & TEST_BAD_ERASE) {
909 fprintf(stderr, "Erase is not working on this chip "
910 "and erase is needed for write. ");
911 if (!force) {
912 fprintf(stderr, "Aborting.\n");
913 return 1;
914 } else {
915 fprintf(stderr, "Continuing anyway.\n");
916 }
917 }
918 if (flash->tested & TEST_BAD_WRITE) {
919 fprintf(stderr, "Write is not working on this chip. ");
920 if (!force) {
921 fprintf(stderr, "Aborting.\n");
922 return 1;
923 } else {
924 fprintf(stderr, "Continuing anyway.\n");
925 }
926 }
Ollie Lho761bf1b2004-03-20 16:46:10 +0000927 if ((image = fopen(filename, "r")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000928 perror(filename);
929 exit(1);
930 }
Stefan Reinauer018aca82006-11-21 23:48:51 +0000931 if (fstat(fileno(image), &image_stat) != 0) {
932 perror(filename);
933 exit(1);
934 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000935 if (image_stat.st_size != flash->total_size * 1024) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000936 fprintf(stderr, "Error: Image size doesn't match\n");
Stefan Reinauer018aca82006-11-21 23:48:51 +0000937 exit(1);
938 }
939
Peter Stuge1fec0f32009-01-12 21:00:35 +0000940 numbytes = fread(buf, 1, size, image);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000941 show_id(buf, size, force);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000942 fclose(image);
Peter Stuge1fec0f32009-01-12 21:00:35 +0000943 if (numbytes != size) {
944 fprintf(stderr, "Error: Failed to read file. Got %ld bytes, wanted %ld!\n", numbytes, size);
945 return 1;
946 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000947 }
948
Ollie Lho184a4042005-11-26 21:55:36 +0000949 // This should be moved into each flash part's code to do it
950 // cleanly. This does the job.
Carl-Daniel Hailfingerf5fb51c2009-08-19 15:19:18 +0000951 handle_romentries(buf, flash);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000952
Ollie Lho184a4042005-11-26 21:55:36 +0000953 // ////////////////////////////////////////////////////////////
Uwe Hermanna7e05482007-05-09 10:17:44 +0000954
Peter Stugef31104c2008-04-28 14:47:30 +0000955 if (write_it) {
Paul Foxd51410c2009-06-12 08:04:08 +0000956 printf("Writing flash chip... ");
Peter Stugef31104c2008-04-28 14:47:30 +0000957 if (!flash->write) {
958 fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
959 return 1;
960 }
Carl-Daniel Hailfinger0a3e5ae2009-07-24 12:18:54 +0000961 ret = flash->write(flash, buf);
962 if (ret) {
963 fprintf(stderr, "FAILED!\n");
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000964 emergency_help_message();
Carl-Daniel Hailfinger0a3e5ae2009-07-24 12:18:54 +0000965 return 1;
966 } else {
967 printf("COMPLETE.\n");
968 }
Peter Stugef31104c2008-04-28 14:47:30 +0000969 }
Ollie Lho184a4042005-11-26 21:55:36 +0000970
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000971 if (verify_it) {
972 /* Work around chips which need some time to calm down. */
973 if (write_it)
974 programmer_delay(1000*1000);
Carl-Daniel Hailfinger0a3e5ae2009-07-24 12:18:54 +0000975 ret = verify_flash(flash, buf);
Carl-Daniel Hailfinger8ab49e72009-08-19 13:55:34 +0000976 /* If we tried to write, and now we don't properly verify, we
977 * might have an emergency situation.
978 */
979 if (ret && write_it)
980 emergency_help_message();
981 }
Ollie Lho184a4042005-11-26 21:55:36 +0000982
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000983 programmer_shutdown();
984
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000985 return ret;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000986}