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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
Ronald G. Minnichceec4202003-07-25 04:37:41 +000033char *chip_to_probe = NULL;
Stefan Reinauere3705282005-12-18 16:41:10 +000034int exclude_start_page, exclude_end_page;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +000035int verbose = 0;
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +000036int programmer = PROGRAMMER_INTERNAL;
Stefan Reinauer70385642007-04-06 11:58:03 +000037
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +000038const struct programmer_entry programmer_table[] = {
39 {
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000040 .init = internal_init,
41 .shutdown = internal_shutdown,
Carl-Daniel Hailfinger1455b2b2009-05-11 14:13:25 +000042 .map_flash_region = physmap,
43 .unmap_flash_region = physunmap,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000044 .chip_readb = internal_chip_readb,
45 .chip_readw = internal_chip_readw,
46 .chip_readl = internal_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000047 .chip_readn = internal_chip_readn,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000048 .chip_writeb = internal_chip_writeb,
49 .chip_writew = internal_chip_writew,
50 .chip_writel = internal_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000051 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000052 .delay = internal_delay,
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +000053 },
Luc Verhaegen8e3a6002007-04-04 22:45:58 +000054
Carl-Daniel Hailfingerc3129202009-05-09 00:54:55 +000055 {
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000056 .init = dummy_init,
57 .shutdown = dummy_shutdown,
Carl-Daniel Hailfinger1455b2b2009-05-11 14:13:25 +000058 .map_flash_region = dummy_map,
59 .unmap_flash_region = dummy_unmap,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000060 .chip_readb = dummy_chip_readb,
61 .chip_readw = dummy_chip_readw,
62 .chip_readl = dummy_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000063 .chip_readn = dummy_chip_readn,
Carl-Daniel Hailfinger1e334e62009-05-11 15:46:43 +000064 .chip_writeb = dummy_chip_writeb,
65 .chip_writew = dummy_chip_writew,
66 .chip_writel = dummy_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000067 .chip_writen = dummy_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000068 .delay = internal_delay,
Carl-Daniel Hailfingerc3129202009-05-09 00:54:55 +000069 },
70
Uwe Hermannb4dcb712009-05-13 11:36:06 +000071 {
72 .init = nic3com_init,
73 .shutdown = nic3com_shutdown,
Uwe Hermannc6915932009-05-17 23:12:17 +000074 .map_flash_region = fallback_map,
75 .unmap_flash_region = fallback_unmap,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000076 .chip_readb = nic3com_chip_readb,
Carl-Daniel Hailfinger9ee10772009-05-16 01:23:55 +000077 .chip_readw = fallback_chip_readw,
78 .chip_readl = fallback_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000079 .chip_readn = fallback_chip_readn,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000080 .chip_writeb = nic3com_chip_writeb,
Carl-Daniel Hailfinger9ee10772009-05-16 01:23:55 +000081 .chip_writew = fallback_chip_writew,
82 .chip_writel = fallback_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000083 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +000084 .delay = internal_delay,
Uwe Hermannb4dcb712009-05-13 11:36:06 +000085 },
86
Rudolf Marek68720c72009-05-17 19:39:27 +000087 {
88 .init = satasii_init,
89 .shutdown = satasii_shutdown,
Uwe Hermannc6915932009-05-17 23:12:17 +000090 .map_flash_region = fallback_map,
91 .unmap_flash_region = fallback_unmap,
Rudolf Marek68720c72009-05-17 19:39:27 +000092 .chip_readb = satasii_chip_readb,
93 .chip_readw = fallback_chip_readw,
94 .chip_readl = fallback_chip_readl,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000095 .chip_readn = fallback_chip_readn,
Rudolf Marek68720c72009-05-17 19:39:27 +000096 .chip_writeb = satasii_chip_writeb,
97 .chip_writew = fallback_chip_writew,
98 .chip_writel = fallback_chip_writel,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +000099 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000100 .delay = internal_delay,
Rudolf Marek68720c72009-05-17 19:39:27 +0000101 },
102
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000103 {
104 .init = it87spi_init,
105 .shutdown = dummy_shutdown,
106 .map_flash_region = dummy_map,
107 .unmap_flash_region = dummy_unmap,
108 .chip_readb = dummy_chip_readb,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000109 .chip_readw = fallback_chip_readw,
110 .chip_readl = fallback_chip_readl,
111 .chip_readn = fallback_chip_readn,
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000112 .chip_writeb = dummy_chip_writeb,
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000113 .chip_writew = fallback_chip_writew,
114 .chip_writel = fallback_chip_writel,
115 .chip_writen = fallback_chip_writen,
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000116 .delay = internal_delay,
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000117 },
118
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000119 {},
120};
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000121
Uwe Hermann09e04f72009-05-16 22:36:00 +0000122int programmer_init(void)
123{
124 return programmer_table[programmer].init();
125}
126
127int programmer_shutdown(void)
128{
129 return programmer_table[programmer].shutdown();
130}
131
132void *programmer_map_flash_region(const char *descr, unsigned long phys_addr,
133 size_t len)
134{
135 return programmer_table[programmer].map_flash_region(descr,
136 phys_addr, len);
137}
138
139void programmer_unmap_flash_region(void *virt_addr, size_t len)
140{
141 programmer_table[programmer].unmap_flash_region(virt_addr, len);
142}
143
144void chip_writeb(uint8_t val, chipaddr addr)
145{
146 programmer_table[programmer].chip_writeb(val, addr);
147}
148
149void chip_writew(uint16_t val, chipaddr addr)
150{
151 programmer_table[programmer].chip_writew(val, addr);
152}
153
154void chip_writel(uint32_t val, chipaddr addr)
155{
156 programmer_table[programmer].chip_writel(val, addr);
157}
158
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000159void chip_writen(uint8_t *buf, chipaddr addr, size_t len)
160{
161 programmer_table[programmer].chip_writen(buf, addr, len);
162}
163
Uwe Hermann09e04f72009-05-16 22:36:00 +0000164uint8_t chip_readb(const chipaddr addr)
165{
166 return programmer_table[programmer].chip_readb(addr);
167}
168
169uint16_t chip_readw(const chipaddr addr)
170{
171 return programmer_table[programmer].chip_readw(addr);
172}
173
174uint32_t chip_readl(const chipaddr addr)
175{
176 return programmer_table[programmer].chip_readl(addr);
177}
178
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000179void chip_readn(uint8_t *buf, chipaddr addr, size_t len)
180{
181 programmer_table[programmer].chip_readn(buf, addr, len);
182 return;
183}
184
Carl-Daniel Hailfingerca8bfc62009-06-05 17:48:08 +0000185void programmer_delay(int usecs)
186{
187 programmer_table[programmer].delay(usecs);
188}
189
Peter Stuge776d2022009-01-26 00:39:57 +0000190void map_flash_registers(struct flashchip *flash)
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000191{
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000192 size_t size = flash->total_size * 1024;
Carl-Daniel Hailfingerd0fc9462009-05-11 14:01:17 +0000193 /* Flash registers live 4 MByte below the flash. */
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000194 flash->virtual_registers = (chipaddr)programmer_map_flash_region("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size);
Stefan Reinauerff4f1972007-05-24 08:48:10 +0000195}
196
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000197int read_memmapped(struct flashchip *flash, uint8_t *buf)
198{
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000199 chip_readn(buf, flash->virtual_memory, flash->total_size * 1024);
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000200
201 return 0;
202}
203
Carl-Daniel Hailfinger38a059d2009-06-13 12:04:03 +0000204int min(int a, int b)
205{
206 return (a < b) ? a : b;
207}
208
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000209int max(int a, int b)
210{
211 return (a > b) ? a : b;
212}
213
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000214char *strcat_realloc(char *dest, const char *src)
215{
216 dest = realloc(dest, strlen(dest) + strlen(src) + 1);
217 if (!dest)
218 return NULL;
219 strcat(dest, src);
220 return dest;
221}
222
223/* Return a string corresponding to the bustype parameter.
224 * Memory is obtained with malloc() and can be freed with free().
225 */
226char *flashbuses_to_text(enum chipbustype bustype)
227{
228 char *ret = calloc(1, 1);
229 if (bustype == CHIP_BUSTYPE_UNKNOWN) {
230 ret = strcat_realloc(ret, "Unknown,");
231 /* FIXME: Once all chipsets and flash chips have been updated, NONSPI
232 * will cease to exist and should be eliminated here as well.
233 */
234 } else if (bustype == CHIP_BUSTYPE_NONSPI) {
235 ret = strcat_realloc(ret, "Non-SPI,");
236 } else {
237 if (bustype & CHIP_BUSTYPE_PARALLEL)
238 ret = strcat_realloc(ret, "Parallel,");
239 if (bustype & CHIP_BUSTYPE_LPC)
240 ret = strcat_realloc(ret, "LPC,");
241 if (bustype & CHIP_BUSTYPE_FWH)
242 ret = strcat_realloc(ret, "FWH,");
243 if (bustype & CHIP_BUSTYPE_SPI)
244 ret = strcat_realloc(ret, "SPI,");
245 if (bustype == CHIP_BUSTYPE_NONE)
246 ret = strcat_realloc(ret, "None,");
247 }
248 /* Kill last comma. */
249 ret[strlen(ret) - 1] = '\0';
250 ret = realloc(ret, strlen(ret) + 1);
251 return ret;
252}
253
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000254/* start is an offset to the base address of the flash chip */
255int check_erased_range(struct flashchip *flash, int start, int len)
256{
257 int ret;
258 uint8_t *cmpbuf = malloc(len);
259
260 if (!cmpbuf) {
261 fprintf(stderr, "Could not allocate memory!\n");
262 exit(1);
263 }
264 memset(cmpbuf, 0xff, len);
265 ret = verify_range(flash, cmpbuf, start, len, "ERASE");
266 free(cmpbuf);
267 return ret;
268}
269
270/**
271 * @cmpbuf buffer to compare against
272 * @start offset to the base address of the flash chip
273 * @len length of the verified area
274 * @message string to print in the "FAILED" message
275 * @return 0 for success, -1 for failure
276 */
277int verify_range(struct flashchip *flash, uint8_t *cmpbuf, int start, int len, char *message)
278{
279 int i, j, starthere, lenhere, ret = 0;
280 chipaddr bios = flash->virtual_memory;
281 int page_size = flash->page_size;
282 uint8_t *readbuf = malloc(page_size);
283
284 if (!len)
285 goto out_free;
286
287 if (!readbuf) {
288 fprintf(stderr, "Could not allocate memory!\n");
289 exit(1);
290 }
291
292 if (start + len > flash->total_size * 1024) {
293 fprintf(stderr, "Error: %s called with start 0x%x + len 0x%x >"
294 " total_size 0x%x\n", __func__, start, len,
295 flash->total_size * 1024);
296 ret = -1;
297 goto out_free;
298 }
299 if (!message)
300 message = "VERIFY";
301
302 /* Warning: This loop has a very unusual condition and body.
303 * The loop needs to go through each page with at least one affected
304 * byte. The lowest page number is (start / page_size) since that
305 * division rounds down. The highest page number we want is the page
306 * where the last byte of the range lives. That last byte has the
307 * address (start + len - 1), thus the highest page number is
308 * (start + len - 1) / page_size. Since we want to include that last
309 * page as well, the loop condition uses <=.
310 */
311 for (i = start / page_size; i <= (start + len - 1) / page_size; i++) {
312 /* Byte position of the first byte in the range in this page. */
313 starthere = max(start, i * page_size);
314 /* Length of bytes in the range in this page. */
315 lenhere = min(start + len, (i + 1) * page_size) - starthere;
316 chip_readn(readbuf, bios + starthere, lenhere);
317 for (j = 0; j < lenhere; j++) {
318 if (cmpbuf[starthere - start + j] != readbuf[j]) {
319 fprintf(stderr, "%s FAILED at 0x%08x! "
320 "Expected=0x%02x, Read=0x%02x\n",
321 message, starthere + j,
322 cmpbuf[starthere - start + j], readbuf[j]);
323 ret = -1;
324 goto out_free;
325 }
326 }
327 }
328
329out_free:
330 free(readbuf);
331 return ret;
332}
333
Peter Stuge483b8f02008-09-03 23:10:05 +0000334struct flashchip *probe_flash(struct flashchip *first_flash, int force)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000335{
Peter Stuge483b8f02008-09-03 23:10:05 +0000336 struct flashchip *flash;
Peter Stuge7ccce542008-12-03 23:36:48 +0000337 unsigned long base = 0, size;
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000338 char *tmp;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000339
Peter Stuge483b8f02008-09-03 23:10:05 +0000340 for (flash = first_flash; flash && flash->name; flash++) {
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000341 if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0)
Ollie Lhocbbf1252004-03-17 22:22:08 +0000342 continue;
Stefan Reinauerac378972008-03-17 22:59:40 +0000343 printf_debug("Probing for %s %s, %d KB: ",
344 flash->vendor, flash->name, flash->total_size);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000345 if (!flash->probe && !force) {
Peter Stugef31104c2008-04-28 14:47:30 +0000346 printf_debug("failed! flashrom has no probe function for this flash chip.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000347 continue;
348 }
Carl-Daniel Hailfingerb22918c2009-06-01 02:08:58 +0000349 if (!(buses_supported & flash->bustype)) {
350 tmp = flashbuses_to_text(buses_supported);
351 printf_debug("skipped. Host bus type %s ", tmp);
352 free(tmp);
353 tmp = flashbuses_to_text(flash->bustype);
354 printf_debug("and chip bus type %s are incompatible.\n", tmp);
355 free(tmp);
356 continue;
357 }
Stefan Reinauer70385642007-04-06 11:58:03 +0000358
Ollie Lhocbbf1252004-03-17 22:22:08 +0000359 size = flash->total_size * 1024;
Stefan Reinauer70385642007-04-06 11:58:03 +0000360
Carl-Daniel Hailfinger97d6b092009-05-09 07:27:23 +0000361 base = flashbase ? flashbase : (0xffffffff - size + 1);
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000362 flash->virtual_memory = (chipaddr)programmer_map_flash_region("flash chip", base, size);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000363
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000364 if (force)
365 break;
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000366
Peter Stuge483b8f02008-09-03 23:10:05 +0000367 if (flash->probe(flash) != 1)
368 goto notfound;
369
Uwe Hermann394131e2008-10-18 21:14:13 +0000370 if (first_flash == flashchips
371 || flash->model_id != GENERIC_DEVICE_ID)
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000372 break;
373
Peter Stuge483b8f02008-09-03 23:10:05 +0000374notfound:
Carl-Daniel Hailfinger5820f422009-05-16 21:22:56 +0000375 programmer_unmap_flash_region((void *)flash->virtual_memory, size);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000376 }
Uwe Hermannffec5f32007-08-23 16:08:21 +0000377
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000378 if (!flash || !flash->name)
379 return NULL;
380
381 printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
Peter Stuge73bdb922008-12-03 21:39:56 +0000382 flash->vendor, flash->name, flash->total_size, base);
Peter Stuge27c3e2d2008-07-02 17:15:47 +0000383 return flash;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000384}
385
Stefan Reinauere3705282005-12-18 16:41:10 +0000386int verify_flash(struct flashchip *flash, uint8_t *buf)
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000387{
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000388 int idx;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000389 int total_size = flash->total_size * 1024;
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000390 uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char));
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000391 if (!flash->read) {
392 printf("FAILED!\n");
393 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
394 return 1;
395 } else
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000396 flash->read(flash, buf2);
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000397
Uwe Hermanna502dce2007-10-17 23:55:15 +0000398 printf("Verifying flash... ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000399
400 if (verbose)
401 printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
402
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000403 for (idx = 0; idx < total_size; idx++) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000404 if (verbose && ((idx & 0xfff) == 0xfff))
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000405 printf("0x%08x", idx);
406
Carl-Daniel Hailfingerd7b5bf32008-01-22 15:19:01 +0000407 if (*(buf2 + idx) != *(buf + idx)) {
Peter Stugef9ad0bb2009-01-13 14:32:27 +0000408 if (verbose)
409 printf("0x%08x FAILED!", idx);
410 else
411 printf("FAILED at 0x%08x!", idx);
412 printf(" Expected=0x%02x, Read=0x%02x\n",
Uwe Hermann394131e2008-10-18 21:14:13 +0000413 *(buf + idx), *(buf2 + idx));
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000414 return 1;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000415 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000416
417 if (verbose && ((idx & 0xfff) == 0xfff))
Ollie Lhocbbf1252004-03-17 22:22:08 +0000418 printf("\b\b\b\b\b\b\b\b\b\b");
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000419 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000420 if (verbose)
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000421 printf("\b\b\b\b\b\b\b\b\b\b ");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000422
Uwe Hermanna502dce2007-10-17 23:55:15 +0000423 printf("VERIFIED. \n");
Uwe Hermannffec5f32007-08-23 16:08:21 +0000424
Stefan Reinauerfcb63682006-03-16 16:57:41 +0000425 return 0;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000426}
427
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000428int read_flash(struct flashchip *flash, char *filename, unsigned int exclude_start_position, unsigned int exclude_end_position)
429{
430 unsigned long numbytes;
431 FILE *image;
432 unsigned long size = flash->total_size * 1024;
433 unsigned char *buf = calloc(size, sizeof(char));
Stephan Guilloux21dd55b2009-06-01 22:07:52 +0000434
435 if (!filename) {
436 printf("Error: No filename specified.\n");
437 return 1;
438 }
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000439 if ((image = fopen(filename, "w")) == NULL) {
440 perror(filename);
441 exit(1);
442 }
443 printf("Reading flash... ");
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000444 if (!flash->read) {
445 printf("FAILED!\n");
446 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
447 return 1;
448 } else
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000449 flash->read(flash, buf);
450
451 if (exclude_end_position - exclude_start_position > 0)
452 memset(buf + exclude_start_position, 0,
453 exclude_end_position - exclude_start_position);
454
455 numbytes = fwrite(buf, 1, size, image);
456 fclose(image);
Stephan Guilloux5a8b2442009-06-01 21:37:00 +0000457 free(buf);
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000458 printf("%s.\n", numbytes == size ? "done" : "FAILED");
459 if (numbytes != size)
460 return 1;
461 return 0;
462}
463
464int erase_flash(struct flashchip *flash)
465{
466 uint32_t erasedbytes;
467 unsigned long size = flash->total_size * 1024;
468 unsigned char *buf = calloc(size, sizeof(char));
469 printf("Erasing flash chip... ");
470 if (NULL == flash->erase) {
471 printf("FAILED!\n");
472 fprintf(stderr, "ERROR: flashrom has no erase function for this flash chip.\n");
473 return 1;
474 }
Carl-Daniel Hailfingerf160a122009-05-08 17:15:15 +0000475 flash->erase(flash);
476
Carl-Daniel Hailfinger30f7cb22009-06-15 17:23:36 +0000477 /* FIXME: The lines below are superfluous. We should check the result
478 * of flash->erase(flash) instead.
479 */
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000480 if (!flash->read) {
481 printf("FAILED!\n");
482 fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
483 return 1;
484 } else
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000485 flash->read(flash, buf);
Carl-Daniel Hailfinger03b4e712009-05-08 12:49:03 +0000486
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000487 for (erasedbytes = 0; erasedbytes < size; erasedbytes++)
488 if (0xff != buf[erasedbytes]) {
489 printf("FAILED!\n");
490 fprintf(stderr, "ERROR at 0x%08x: Expected=0xff, Read=0x%02x\n",
491 erasedbytes, buf[erasedbytes]);
492 return 1;
493 }
494 printf("SUCCESS.\n");
495 return 0;
496}
497
Uwe Hermannad216bf2009-04-24 16:17:41 +0000498#ifndef MAX
Peter Stugef0ef27b2008-12-06 01:37:09 +0000499#define MAX(a, b) ((a) > (b) ? (a) : (b))
Uwe Hermannad216bf2009-04-24 16:17:41 +0000500#endif
Peter Stugef0ef27b2008-12-06 01:37:09 +0000501#define POS_PRINT(x) do { pos += strlen(x); printf(x); } while (0)
502
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000503void print_supported_chips(void)
504{
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000505 int okcol = 0, pos = 0, i;
Peter Stugef0ef27b2008-12-06 01:37:09 +0000506 struct flashchip *f;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000507
Peter Stugef0ef27b2008-12-06 01:37:09 +0000508 for (f = flashchips; f->name != NULL; f++) {
509 if (GENERIC_DEVICE_ID == f->model_id)
510 continue;
511 okcol = MAX(okcol, strlen(f->vendor) + 1 + strlen(f->name));
512 }
513 okcol = (okcol + 7) & ~7;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000514
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000515 printf("Supported flash chips:\n\n");
516 POS_PRINT("Vendor: Device:");
Peter Stugef0ef27b2008-12-06 01:37:09 +0000517 while (pos < okcol) {
518 printf("\t");
519 pos += 8 - (pos % 8);
520 }
521 printf("Tested OK operations:\tKnown BAD operations:\n\n");
522
523 for (f = flashchips; f->name != NULL; f++) {
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000524 /* Don't print "unknown XXXX SPI chip" entries. */
525 if (!strncmp(f->name, "unknown", 7))
526 continue;
527
528 printf("%s", f->vendor);
529 for (i = 0; i < 10 - strlen(f->vendor); i++)
530 printf(" ");
531 printf("%s", f->name);
532
533 pos = 10 + strlen(f->name);
Peter Stugef0ef27b2008-12-06 01:37:09 +0000534 while (pos < okcol) {
535 printf("\t");
536 pos += 8 - (pos % 8);
537 }
538 if ((f->tested & TEST_OK_MASK)) {
539 if ((f->tested & TEST_OK_PROBE))
540 POS_PRINT("PROBE ");
541 if ((f->tested & TEST_OK_READ))
542 POS_PRINT("READ ");
543 if ((f->tested & TEST_OK_ERASE))
544 POS_PRINT("ERASE ");
545 if ((f->tested & TEST_OK_WRITE))
546 POS_PRINT("WRITE");
547 }
548 while (pos < okcol + 24) {
549 printf("\t");
550 pos += 8 - (pos % 8);
551 }
552 if ((f->tested & TEST_BAD_MASK)) {
553 if ((f->tested & TEST_BAD_PROBE))
554 printf("PROBE ");
555 if ((f->tested & TEST_BAD_READ))
556 printf("READ ");
557 if ((f->tested & TEST_BAD_ERASE))
558 printf("ERASE ");
559 if ((f->tested & TEST_BAD_WRITE))
560 printf("WRITE");
561 }
562 printf("\n");
563 }
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000564}
565
Ronald G. Minniche5559572003-03-28 03:29:43 +0000566void usage(const char *name)
567{
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000568 printf("usage: %s [-VfLhR] [-E|-r file|-w file|-v file] [-c chipname] [-s addr]\n"
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000569 " [-e addr] [-m [vendor:]part] [-l file] [-i image] [-p programmer] [file]\n\n",
Uwe Hermann394131e2008-10-18 21:14:13 +0000570 name);
Uwe Hermannc7e8a0c2009-05-19 14:14:21 +0000571
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000572 printf("Please note that the command line interface for flashrom will "
573 "change before\nflashrom 1.0. Do not use flashrom in scripts "
574 "or other automated tools without\nchecking that your flashrom"
575 " version won't interpret options in a different way.\n\n");
Uwe Hermannc7e8a0c2009-05-19 14:14:21 +0000576
Uwe Hermanna7e05482007-05-09 10:17:44 +0000577 printf
Peter Stuge6b53fed2008-01-27 16:21:21 +0000578 (" -r | --read: read flash and save into file\n"
579 " -w | --write: write file into flash\n"
580 " -v | --verify: verify flash against file\n"
581 " -E | --erase: erase flash device\n"
582 " -V | --verbose: more verbose output\n"
583 " -c | --chip <chipname>: probe only for specified flash chip\n"
584 " -s | --estart <addr>: exclude start position\n"
585 " -e | --eend <addr>: exclude end postion\n"
586 " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
587 " -f | --force: force write without checking image\n"
Uwe Hermanne8ba5382009-05-22 11:37:27 +0000588 " -l | --layout <file.layout>: read ROM layout from file\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000589 " -i | --image <name>: only flash image name from flash layout\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000590 " -L | --list-supported: print supported devices\n"
Carl-Daniel Hailfingerce986772009-05-09 00:27:07 +0000591 " -p | --programmer <name>: specify the programmer device\n"
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000592 " (internal, dummy, nic3com, satasii, it87spi)\n"
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000593 " -h | --help: print this help text\n"
Peter Stuge6b53fed2008-01-27 16:21:21 +0000594 " -R | --version: print the version (release)\n"
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000595 "\nYou can specify one of -E, -r, -w, -v or no operation.\n"
596 "If no operation is specified, then all that happens"
Uwe Hermanna7e05482007-05-09 10:17:44 +0000597 " is that flash info is dumped.\n\n");
Ollie Lhocbbf1252004-03-17 22:22:08 +0000598 exit(1);
Ronald G. Minniche5559572003-03-28 03:29:43 +0000599}
600
Bernhard Walle201bde32008-01-21 15:24:22 +0000601void print_version(void)
602{
Carl-Daniel Hailfinger3f8f9b62009-05-04 12:18:10 +0000603 printf("flashrom v%s\n", FLASHROM_VERSION);
Bernhard Walle201bde32008-01-21 15:24:22 +0000604}
605
Ollie Lho761bf1b2004-03-20 16:46:10 +0000606int main(int argc, char *argv[])
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000607{
Ollie Lho184a4042005-11-26 21:55:36 +0000608 uint8_t *buf;
Peter Stuge1fec0f32009-01-12 21:00:35 +0000609 unsigned long size, numbytes;
Ollie Lho761bf1b2004-03-20 16:46:10 +0000610 FILE *image;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000611 /* Probe for up to three flash chips. */
612 struct flashchip *flash, *flashes[3];
Ollie Lhocbbf1252004-03-17 22:22:08 +0000613 int opt;
Ollie Lho184a4042005-11-26 21:55:36 +0000614 int option_index = 0;
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000615 int force = 0;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000616 int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
Uwe Hermann05fab752009-05-16 23:42:17 +0000617 int list_supported = 0;
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000618 int operation_specified = 0;
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000619 int ret = 0, i;
Ollie Lho184a4042005-11-26 21:55:36 +0000620
Uwe Hermanna7e05482007-05-09 10:17:44 +0000621 static struct option long_options[] = {
622 {"read", 0, 0, 'r'},
623 {"write", 0, 0, 'w'},
624 {"erase", 0, 0, 'E'},
625 {"verify", 0, 0, 'v'},
626 {"chip", 1, 0, 'c'},
627 {"estart", 1, 0, 's'},
628 {"eend", 1, 0, 'e'},
629 {"mainboard", 1, 0, 'm'},
630 {"verbose", 0, 0, 'V'},
631 {"force", 0, 0, 'f'},
632 {"layout", 1, 0, 'l'},
633 {"image", 1, 0, 'i'},
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000634 {"list-supported", 0, 0, 'L'},
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000635 {"programmer", 1, 0, 'p'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000636 {"help", 0, 0, 'h'},
Bernhard Walle201bde32008-01-21 15:24:22 +0000637 {"version", 0, 0, 'R'},
Uwe Hermanna7e05482007-05-09 10:17:44 +0000638 {0, 0, 0, 0}
Ollie Lho184a4042005-11-26 21:55:36 +0000639 };
Uwe Hermanna7e05482007-05-09 10:17:44 +0000640
Ollie Lhocbbf1252004-03-17 22:22:08 +0000641 char *filename = NULL;
Ronald G. Minnichceec4202003-07-25 04:37:41 +0000642
Uwe Hermanna7e05482007-05-09 10:17:44 +0000643 unsigned int exclude_start_position = 0, exclude_end_position = 0; // [x,y)
644 char *tempstr = NULL, *tempstr2 = NULL;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000645
Carl-Daniel Hailfinger259fa012009-05-07 00:59:53 +0000646 print_version();
647
Yinghai Luad8ffd22004-10-20 05:07:16 +0000648 if (argc > 1) {
649 /* Yes, print them. */
650 int i;
Uwe Hermanna7e05482007-05-09 10:17:44 +0000651 printf_debug("The arguments are:\n");
Yinghai Luad8ffd22004-10-20 05:07:16 +0000652 for (i = 1; i < argc; ++i)
Uwe Hermanna7e05482007-05-09 10:17:44 +0000653 printf_debug("%s\n", argv[i]);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000654 }
655
Ollie Lhocbbf1252004-03-17 22:22:08 +0000656 setbuf(stdout, NULL);
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000657 while ((opt = getopt_long(argc, argv, "rRwvVEfc:s:e:m:l:i:p:Lh",
Uwe Hermanna7e05482007-05-09 10:17:44 +0000658 long_options, &option_index)) != EOF) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000659 switch (opt) {
660 case 'r':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000661 if (++operation_specified > 1) {
662 fprintf(stderr, "More than one operation "
663 "specified. Aborting.\n");
664 exit(1);
665 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000666 read_it = 1;
667 break;
668 case 'w':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000669 if (++operation_specified > 1) {
670 fprintf(stderr, "More than one operation "
671 "specified. Aborting.\n");
672 exit(1);
673 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000674 write_it = 1;
675 break;
676 case 'v':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000677 if (++operation_specified > 1) {
678 fprintf(stderr, "More than one operation "
679 "specified. Aborting.\n");
680 exit(1);
681 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000682 verify_it = 1;
683 break;
684 case 'c':
685 chip_to_probe = strdup(optarg);
686 break;
Ollie Lho789ad3d2004-03-18 20:27:33 +0000687 case 'V':
688 verbose = 1;
689 break;
Ollie Lhoefa28582004-12-08 20:10:01 +0000690 case 'E':
Carl-Daniel Hailfinger01d6aba2009-06-12 14:02:07 +0000691 if (++operation_specified > 1) {
692 fprintf(stderr, "More than one operation "
693 "specified. Aborting.\n");
694 exit(1);
695 }
Ollie Lhoefa28582004-12-08 20:10:01 +0000696 erase_it = 1;
697 break;
Yinghai Luad8ffd22004-10-20 05:07:16 +0000698 case 's':
699 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000700 sscanf(tempstr, "%x", &exclude_start_position);
Yinghai Luad8ffd22004-10-20 05:07:16 +0000701 break;
702 case 'e':
Ollie Lho98bea8a2004-12-07 03:15:51 +0000703 tempstr = strdup(optarg);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000704 sscanf(tempstr, "%x", &exclude_end_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000705 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000706 case 'm':
707 tempstr = strdup(optarg);
708 strtok(tempstr, ":");
Uwe Hermanna7e05482007-05-09 10:17:44 +0000709 tempstr2 = strtok(NULL, ":");
Ollie Lho184a4042005-11-26 21:55:36 +0000710 if (tempstr2) {
Uwe Hermanna7e05482007-05-09 10:17:44 +0000711 lb_vendor = tempstr;
712 lb_part = tempstr2;
Ollie Lho184a4042005-11-26 21:55:36 +0000713 } else {
Peter Stuge6b53fed2008-01-27 16:21:21 +0000714 lb_vendor = NULL;
715 lb_part = tempstr;
Ollie Lho184a4042005-11-26 21:55:36 +0000716 }
717 break;
718 case 'f':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000719 force = 1;
Ollie Lho184a4042005-11-26 21:55:36 +0000720 break;
721 case 'l':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000722 tempstr = strdup(optarg);
Stefan Reinauer0a05d672007-04-14 16:32:59 +0000723 if (read_romlayout(tempstr))
724 exit(1);
Ollie Lho184a4042005-11-26 21:55:36 +0000725 break;
726 case 'i':
Uwe Hermanna7e05482007-05-09 10:17:44 +0000727 tempstr = strdup(optarg);
Ollie Lho184a4042005-11-26 21:55:36 +0000728 find_romentry(tempstr);
729 break;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000730 case 'L':
Uwe Hermann05fab752009-05-16 23:42:17 +0000731 list_supported = 1;
Uwe Hermanne5ac1642008-03-12 11:54:51 +0000732 break;
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000733 case 'p':
734 if (strncmp(optarg, "internal", 8) == 0) {
735 programmer = PROGRAMMER_INTERNAL;
Carl-Daniel Hailfingerc3129202009-05-09 00:54:55 +0000736 } else if (strncmp(optarg, "dummy", 5) == 0) {
737 programmer = PROGRAMMER_DUMMY;
Carl-Daniel Hailfinger3504b532009-06-01 00:02:11 +0000738 if (optarg[5] == '=')
739 dummytype = strdup(optarg + 6);
Uwe Hermannb4dcb712009-05-13 11:36:06 +0000740 } else if (strncmp(optarg, "nic3com", 7) == 0) {
741 programmer = PROGRAMMER_NIC3COM;
Christian Ruppert0cdb0312009-05-14 18:57:26 +0000742 if (optarg[7] == '=')
Uwe Hermann515ab3d2009-05-15 17:02:34 +0000743 pcidev_bdf = strdup(optarg + 8);
Rudolf Marek68720c72009-05-17 19:39:27 +0000744 } else if (strncmp(optarg, "satasii", 7) == 0) {
745 programmer = PROGRAMMER_SATASII;
746 if (optarg[7] == '=')
747 pcidev_bdf = strdup(optarg + 8);
Carl-Daniel Hailfingerb8afecd2009-05-31 18:00:57 +0000748 } else if (strncmp(optarg, "it87spi", 7) == 0) {
749 programmer = PROGRAMMER_IT87SPI;
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000750 } else {
751 printf("Error: Unknown programmer.\n");
752 exit(1);
753 }
754 break;
Bernhard Walle201bde32008-01-21 15:24:22 +0000755 case 'R':
Carl-Daniel Hailfinger259fa012009-05-07 00:59:53 +0000756 /* print_version() is always called during startup. */
Bernhard Walle201bde32008-01-21 15:24:22 +0000757 exit(0);
758 break;
Ollie Lho184a4042005-11-26 21:55:36 +0000759 case 'h':
Ollie Lhocbbf1252004-03-17 22:22:08 +0000760 default:
761 usage(argv[0]);
762 break;
763 }
764 }
Yinghai Luad8ffd22004-10-20 05:07:16 +0000765
Uwe Hermann05fab752009-05-16 23:42:17 +0000766 if (list_supported) {
767 print_supported_chips();
768 print_supported_chipsets();
769 print_supported_boards();
770 printf("\nSupported PCI devices flashrom can use "
771 "as programmer:\n\n");
772 print_supported_pcidevs(nics_3com);
Uwe Hermanneaefb482009-05-17 22:57:34 +0000773 print_supported_pcidevs(satas_sii);
Uwe Hermann05fab752009-05-16 23:42:17 +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 Hailfinger702218d2009-05-08 17:43:22 +0000785 ret = programmer_init();
Luc Verhaegen8e3a6002007-04-04 22:45:58 +0000786
Ollie Lhocbbf1252004-03-17 22:22:08 +0000787 myusec_calibrate_delay();
Ollie Lho184a4042005-11-26 21:55:36 +0000788
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000789 for (i = 0; i < ARRAY_SIZE(flashes); i++) {
Uwe Hermann394131e2008-10-18 21:14:13 +0000790 flashes[i] =
791 probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000792 if (!flashes[i])
793 for (i++; i < ARRAY_SIZE(flashes); i++)
794 flashes[i] = NULL;
795 }
796
797 if (flashes[1]) {
798 printf("Multiple flash chips were detected:");
799 for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
800 printf(" %s", flashes[i]->name);
801 printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
802 exit(1);
803 } else if (!flashes[0]) {
Ollie Lho184a4042005-11-26 21:55:36 +0000804 printf("No EEPROM/flash device found.\n");
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000805 if (!force || !chip_to_probe) {
806 printf("If you know which flash chip you have, and if this version of flashrom\n");
807 printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
808 printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
809 printf("\n");
810 printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
811 }
812 if (force && read_it && chip_to_probe) {
813 printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
814 flashes[0] = probe_flash(flashchips, 1);
815 if (!flashes[0]) {
816 printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
817 printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
818 exit(1);
819 }
Stephan Guilloux21dd55b2009-06-01 22:07:52 +0000820 return read_flash(flashes[0], filename, exclude_start_position, exclude_end_position);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000821 }
Jordan Crouse144ede62007-10-04 06:26:41 +0000822 // FIXME: flash writes stay enabled!
Ollie Lhocbbf1252004-03-17 22:22:08 +0000823 exit(1);
824 }
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000825
Claus Gindhart2fd11d62008-05-08 00:31:44 +0000826 flash = flashes[0];
827
Peter Stuge1159d582008-05-03 04:34:37 +0000828 if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
829 printf("===\n");
830 if (flash->tested & TEST_BAD_MASK) {
831 printf("This flash part has status NOT WORKING for operations:");
832 if (flash->tested & TEST_BAD_PROBE)
833 printf(" PROBE");
834 if (flash->tested & TEST_BAD_READ)
835 printf(" READ");
836 if (flash->tested & TEST_BAD_ERASE)
837 printf(" ERASE");
838 if (flash->tested & TEST_BAD_WRITE)
839 printf(" WRITE");
840 printf("\n");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000841 }
842 if ((!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE)) ||
843 (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ)) ||
844 (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE)) ||
845 (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))) {
Peter Stuge1159d582008-05-03 04:34:37 +0000846 printf("This flash part has status UNTESTED for operations:");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000847 if (!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE))
Peter Stuge1159d582008-05-03 04:34:37 +0000848 printf(" PROBE");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000849 if (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ))
Peter Stuge1159d582008-05-03 04:34:37 +0000850 printf(" READ");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000851 if (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE))
Peter Stuge1159d582008-05-03 04:34:37 +0000852 printf(" ERASE");
Carl-Daniel Hailfinger6a0a25c2008-11-28 23:45:27 +0000853 if (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))
Peter Stuge1159d582008-05-03 04:34:37 +0000854 printf(" WRITE");
855 printf("\n");
856 }
Uwe Hermanna9720402009-05-21 15:55:46 +0000857 printf("Please email a report to flashrom@coreboot.org if any "
858 "of the above operations\nwork correctly for you with "
859 "this flash part. Please include the flashrom\noutput "
860 "with the additional -V option for all operations you "
861 "tested (-V, -rV,\n-wV, -EV), and mention which "
862 "mainboard you tested. Thanks for your help!\n===\n");
Peter Stuge1159d582008-05-03 04:34:37 +0000863 }
Ollie Lho184a4042005-11-26 21:55:36 +0000864
Jordan Crouse144ede62007-10-04 06:26:41 +0000865 if (!(read_it | write_it | verify_it | erase_it)) {
866 printf("No operations were specified.\n");
867 // FIXME: flash writes stay enabled!
868 exit(1);
869 }
870
Ollie Lhoefa28582004-12-08 20:10:01 +0000871 if (!filename && !erase_it) {
Jordan Crouse144ede62007-10-04 06:26:41 +0000872 printf("Error: No filename specified.\n");
873 // FIXME: flash writes stay enabled!
874 exit(1);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000875 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000876
Ollie Lho184a4042005-11-26 21:55:36 +0000877 size = flash->total_size * 1024;
878 buf = (uint8_t *) calloc(size, sizeof(char));
Uwe Hermanna7e05482007-05-09 10:17:44 +0000879
Ollie Lhoefa28582004-12-08 20:10:01 +0000880 if (erase_it) {
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000881 if (erase_flash(flash))
Peter Stugef31104c2008-04-28 14:47:30 +0000882 return 1;
Ollie Lhoefa28582004-12-08 20:10:01 +0000883 } else if (read_it) {
Carl-Daniel Hailfinger7314cc32009-01-28 00:27:54 +0000884 if (read_flash(flash, filename, exclude_start_position, exclude_end_position))
Peter Stuge1fec0f32009-01-12 21:00:35 +0000885 return 1;
Ollie Lhocbbf1252004-03-17 22:22:08 +0000886 } else {
Stefan Reinauer018aca82006-11-21 23:48:51 +0000887 struct stat image_stat;
888
Ollie Lho761bf1b2004-03-20 16:46:10 +0000889 if ((image = fopen(filename, "r")) == NULL) {
Ollie Lhocbbf1252004-03-17 22:22:08 +0000890 perror(filename);
891 exit(1);
892 }
Stefan Reinauer018aca82006-11-21 23:48:51 +0000893 if (fstat(fileno(image), &image_stat) != 0) {
894 perror(filename);
895 exit(1);
896 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000897 if (image_stat.st_size != flash->total_size * 1024) {
Uwe Hermann793bdcd2008-05-22 22:47:04 +0000898 fprintf(stderr, "Error: Image size doesn't match\n");
Stefan Reinauer018aca82006-11-21 23:48:51 +0000899 exit(1);
900 }
901
Peter Stuge1fec0f32009-01-12 21:00:35 +0000902 numbytes = fread(buf, 1, size, image);
Peter Stuge7ffbc6f2008-06-18 02:08:40 +0000903 show_id(buf, size, force);
Ollie Lhocbbf1252004-03-17 22:22:08 +0000904 fclose(image);
Peter Stuge1fec0f32009-01-12 21:00:35 +0000905 if (numbytes != size) {
906 fprintf(stderr, "Error: Failed to read file. Got %ld bytes, wanted %ld!\n", numbytes, size);
907 return 1;
908 }
Ollie Lhocbbf1252004-03-17 22:22:08 +0000909 }
910
Ollie Lho184a4042005-11-26 21:55:36 +0000911 /* exclude range stuff. Nice idea, but at the moment it is only
912 * supported in hardware by the pm49fl004 chips.
913 * Instead of implementing this for all chips I suggest advancing
914 * it to the rom layout feature below and drop exclude range
915 * completely once all flash chips can do rom layouts. stepan
916 */
Uwe Hermanna7e05482007-05-09 10:17:44 +0000917
Ollie Lho184a4042005-11-26 21:55:36 +0000918 // ////////////////////////////////////////////////////////////
Ollie Lho98bea8a2004-12-07 03:15:51 +0000919 if (exclude_end_position - exclude_start_position > 0)
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000920 chip_readn(buf + exclude_start_position,
921 flash->virtual_memory + exclude_start_position,
922 exclude_end_position - exclude_start_position);
Ollie Lho98bea8a2004-12-07 03:15:51 +0000923
Uwe Hermanna7e05482007-05-09 10:17:44 +0000924 exclude_start_page = exclude_start_position / flash->page_size;
925 if ((exclude_start_position % flash->page_size) != 0) {
Ollie Lho98bea8a2004-12-07 03:15:51 +0000926 exclude_start_page++;
927 }
Uwe Hermanna7e05482007-05-09 10:17:44 +0000928 exclude_end_page = exclude_end_position / flash->page_size;
Ollie Lho184a4042005-11-26 21:55:36 +0000929 // ////////////////////////////////////////////////////////////
Yinghai Luad8ffd22004-10-20 05:07:16 +0000930
Ollie Lho184a4042005-11-26 21:55:36 +0000931 // This should be moved into each flash part's code to do it
932 // cleanly. This does the job.
Carl-Daniel Hailfinger0bd2a2b2009-06-05 18:32:07 +0000933 /* FIXME: Adapt to the external flasher infrastructure. */
Stefan Reinauerce532972007-05-23 17:20:56 +0000934 handle_romentries(buf, (uint8_t *) flash->virtual_memory);
Uwe Hermanna7e05482007-05-09 10:17:44 +0000935
Ollie Lho184a4042005-11-26 21:55:36 +0000936 // ////////////////////////////////////////////////////////////
Uwe Hermanna7e05482007-05-09 10:17:44 +0000937
Peter Stugef31104c2008-04-28 14:47:30 +0000938 if (write_it) {
Paul Foxd51410c2009-06-12 08:04:08 +0000939 printf("Writing flash chip... ");
Peter Stugef31104c2008-04-28 14:47:30 +0000940 if (!flash->write) {
941 fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
942 return 1;
943 }
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000944 ret |= flash->write(flash, buf);
Paul Foxd51410c2009-06-12 08:04:08 +0000945 if (!ret) printf("COMPLETE.\n");
Peter Stugef31104c2008-04-28 14:47:30 +0000946 }
Ollie Lho184a4042005-11-26 21:55:36 +0000947
Ollie Lhocbbf1252004-03-17 22:22:08 +0000948 if (verify_it)
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000949 ret |= verify_flash(flash, buf);
Ollie Lho184a4042005-11-26 21:55:36 +0000950
Carl-Daniel Hailfinger702218d2009-05-08 17:43:22 +0000951 programmer_shutdown();
952
Stefan Reinauer143da0b2006-01-04 16:42:57 +0000953 return ret;
Ronald G. Minnichf4cf2ba2002-01-29 18:26:26 +0000954}