/*
- * flashrom.c: Flash programming utility
+ * This file is part of the flashrom project.
*
- * Copyright 2000 Silicon Integrated System Corporation
- * Copyright 2004 Tyan Corp
- * yhlu yhlu@tyan.com add exclude start and end option
- * Copyright 2005-2007 coresystems GmbH
- * Stefan Reinauer <stepan@coresystems.de> added rom layout
- * support, and checking for suitable rom image, various fixes
- * support for flashing the Technologic Systems 5300.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2000 Silicon Integrated System Corporation
+ * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com>
+ * Copyright (C) 2005-2007 coresystems GmbH
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <errno.h>
char *chip_to_probe = NULL;
struct pci_access *pacc; /* For board and chipset_enable */
int exclude_start_page, exclude_end_page;
-int force = 0, verbose = 0;
+int verbose = 0;
int fd_mem;
struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
for (temp = pacc->devices; temp; temp = temp->next)
if (pci_filter_match(&filter, temp)) {
- if ((card_vendor == pci_read_word(temp, 0x2C)) &&
- (card_device == pci_read_word(temp, 0x2E)))
+ if ((card_vendor == pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID)) &&
+ (card_device == pci_read_word(temp, PCI_SUBSYSTEM_ID)))
return temp;
}
return 0;
}
-struct flashchip *probe_flash(struct flashchip *flash)
+struct flashchip *probe_flash(struct flashchip *flash, int force)
{
volatile uint8_t *bios;
unsigned long flash_baseaddr, size;
flash++;
continue;
}
- printf_debug("Probing for %s, %d KB\n",
- flash->name, flash->total_size);
+ printf_debug("Probing for %s %s, %d KB: ",
+ flash->vendor, flash->name, flash->total_size);
+ if (!flash->probe && !force) {
+ printf_debug("failed! flashrom has no probe function for this flash chip.\n");
+ flash++;
+ continue;
+ }
size = flash->total_size * 1024;
*/
if (getpagesize() > size) {
+ /*
+ * if a flash size of 0 is mapped, we map a single page
+ * so we can probe in that area whether we know the
+ * vendor at least.
+ */
size = getpagesize();
- printf("WARNING: size: %d -> %ld (page size)\n",
- flash->total_size * 1024, (unsigned long)size);
}
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
}
flash->virtual_memory = bios;
- if (flash->probe(flash) == 1) {
- printf("%s found at physical address: 0x%lx\n",
- flash->name, flash_baseaddr);
+ if (force || flash->probe(flash) == 1) {
+ printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
+ flash->vendor, flash->name, flash->total_size,
+ flash_baseaddr);
return flash;
}
munmap((void *)bios, size);
{
int idx;
int total_size = flash->total_size * 1024;
- volatile uint8_t *bios = flash->virtual_memory;
+ uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char));
+ if (flash->read == NULL)
+ memcpy(buf2, (const char *)flash->virtual_memory, total_size);
+ else
+ flash->read(flash, buf2);
- printf("Verifying flash ");
+ printf("Verifying flash... ");
if (verbose)
printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
if (verbose && ((idx & 0xfff) == 0xfff))
printf("0x%08x", idx);
- if (*(bios + idx) != *(buf + idx)) {
+ if (*(buf2 + idx) != *(buf + idx)) {
if (verbose) {
printf("0x%08x ", idx);
}
- printf("- FAILED\n");
+ printf("FAILED! Expected=0x%02x, Read=0x%02x\n",
+ *(buf + idx), *(buf2 + idx));
return 1;
}
if (verbose)
printf("\b\b\b\b\b\b\b\b\b\b ");
- printf("- VERIFIED \n");
+ printf("VERIFIED. \n");
return 0;
}
+void print_supported_chips(void)
+{
+ int i;
+
+ printf("Supported ROM chips:\n\n");
+
+ for (i = 0; flashchips[i].name != NULL; i++)
+ printf("%s %s\n", flashchips[i].vendor, flashchips[i].name);
+}
+
void usage(const char *name)
{
- printf("usage: %s [-rwvEVfh] [-c chipname] [-s exclude_start]\n", name);
- printf(" [-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]\n");
+ printf("usage: %s [-rwvEVfLhR] [-c chipname] [-s exclude_start]\n", name);
+ printf(" [-e exclude_end] [-m [vendor:]part] [-l file.layout] [-i imagename] [file]\n");
printf
- (" -r | --read: read flash and save into file\n"
- " -w | --write: write file into flash (default when\n"
- " file is specified)\n"
- " -v | --verify: verify flash against file\n"
- " -E | --erase: erase flash device\n"
- " -V | --verbose: more verbose output\n"
- " -c | --chip <chipname>: probe only for specified flash chip\n"
- " -s | --estart <addr>: exclude start position\n"
- " -e | --eend <addr>: exclude end postion\n"
- " -m | --mainboard <vendor:part>: override mainboard settings\n"
- " -f | --force: force write without checking image\n"
- " -l | --layout <file.layout>: read rom layout from file\n"
- " -i | --image <name>: only flash image name from flash layout\n"
- "\n" " If no file is specified, then all that happens\n"
+ (" -r | --read: read flash and save into file\n"
+ " -w | --write: write file into flash\n"
+ " -v | --verify: verify flash against file\n"
+ " -E | --erase: erase flash device\n"
+ " -V | --verbose: more verbose output\n"
+ " -c | --chip <chipname>: probe only for specified flash chip\n"
+ " -s | --estart <addr>: exclude start position\n"
+ " -e | --eend <addr>: exclude end postion\n"
+ " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
+ " -f | --force: force write without checking image\n"
+ " -l | --layout <file.layout>: read rom layout from file\n"
+ " -i | --image <name>: only flash image name from flash layout\n"
+ " -L | --list-supported: print supported devices\n"
+ " -h | --help: print this help text\n"
+ " -R | --version: print the version (release)\n"
+ "\n" " If no file is specified, then all that happens"
" is that flash info is dumped.\n\n");
exit(1);
}
+void print_version(void)
+{
+ printf("flashrom r%s\n", FLASHROM_VERSION);
+}
+
int main(int argc, char *argv[])
{
uint8_t *buf;
unsigned long size;
FILE *image;
- struct flashchip *flash;
+ /* Probe for up to three flash chips. */
+ struct flashchip *flash, *flashes[3];
int opt;
int option_index = 0;
+ int force = 0;
int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
- int ret = 0;
+ int ret = 0, i;
+#ifdef __FreeBSD__
+ int io_fd;
+#endif
static struct option long_options[] = {
{"read", 0, 0, 'r'},
{"force", 0, 0, 'f'},
{"layout", 1, 0, 'l'},
{"image", 1, 0, 'i'},
+ {"list-supported", 0, 0, 'L'},
{"help", 0, 0, 'h'},
+ {"version", 0, 0, 'R'},
{0, 0, 0, 0}
};
}
setbuf(stdout, NULL);
- while ((opt = getopt_long(argc, argv, "rwvVEfc:s:e:m:l:i:h",
+ while ((opt = getopt_long(argc, argv, "rRwvVEfc:s:e:m:l:i:Lh",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'r':
lb_vendor = tempstr;
lb_part = tempstr2;
} else {
- printf("warning: ignored wrong format of"
- " mainboard: %s\n", tempstr);
+ lb_vendor = NULL;
+ lb_part = tempstr;
}
break;
case 'f':
tempstr = strdup(optarg);
find_romentry(tempstr);
break;
+ case 'L':
+ print_supported_chips();
+ print_supported_chipsets();
+ print_supported_boards();
+ exit(0);
+ break;
+ case 'R':
+ print_version();
+ exit(0);
+ break;
case 'h':
default:
usage(argv[0]);
}
if (read_it && write_it) {
- printf("-r and -w are mutually exclusive\n");
+ printf("Error: -r and -w are mutually exclusive.\n");
usage(argv[0]);
}
/* First get full io access */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
+#elif defined(__FreeBSD__)
+ if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
#else
if (iopl(3) != 0) {
#endif
- fprintf(stderr, "ERROR: iopl failed: \"%s\"\n",
+ fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n",
strerror(errno));
exit(1);
}
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
- /* Open the memory device. A lot of functions need it */
- if ((fd_mem = open(MEM_DEV, O_RDWR)) < 0) {
+ /* Open the memory device UNCACHED. That's important for MMIO. */
+ if ((fd_mem = open(MEM_DEV, O_RDWR|O_SYNC)) < 0) {
perror("Error: Can not access memory using " MEM_DEV
". You need to be root.");
exit(1);
/* We look at the lbtable first to see if we need a
* mainboard specific flash enable sequence.
*/
- linuxbios_init();
+ coreboot_init();
/* try to enable it. Failure IS an option, since not all motherboards
* really need this to be done, etc., etc.
board_flash_enable(lb_vendor, lb_part);
- if ((flash = probe_flash(flashchips)) == NULL) {
+ for (i = 0; i < ARRAY_SIZE(flashes); i++) {
+ flashes[i] = probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
+ if (!flashes[i])
+ for (i++; i < ARRAY_SIZE(flashes); i++)
+ flashes[i] = NULL;
+ }
+
+ if (flashes[1]) {
+ printf("Multiple flash chips were detected:");
+ for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
+ printf(" %s", flashes[i]->name);
+ printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
+ exit(1);
+ } else if (!flashes[0]) {
printf("No EEPROM/flash device found.\n");
+ if (!force || !chip_to_probe) {
+ printf("If you know which flash chip you have, and if this version of flashrom\n");
+ printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
+ printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
+ printf("\n");
+ printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
+ }
+ if (force && read_it && chip_to_probe) {
+ printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
+ flashes[0] = probe_flash(flashchips, 1);
+ if (!flashes[0]) {
+ printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
+ printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
+ exit(1);
+ }
+ size = flashes[0]->total_size * 1024;
+ buf = (uint8_t *) calloc(size, sizeof(char));
+
+ if ((image = fopen(filename, "w")) == NULL) {
+ perror(filename);
+ exit(1);
+ }
+ printf("Force reading flash...");
+ if (!flashes[0]->read)
+ memcpy(buf, (const char *)flashes[0]->virtual_memory, size);
+ else
+ flashes[0]->read(flashes[0], buf);
+
+ if (exclude_end_position - exclude_start_position > 0)
+ memset(buf + exclude_start_position, 0,
+ exclude_end_position - exclude_start_position);
+
+ fwrite(buf, sizeof(char), size, image);
+ fclose(image);
+ printf("done\n");
+ free(buf);
+ exit(0);
+ }
+ // FIXME: flash writes stay enabled!
exit(1);
}
- printf("Flash part is %s (%d KB)\n", flash->name, flash->total_size);
+ flash = flashes[0];
+
+ if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
+ printf("===\n");
+ if (flash->tested & TEST_BAD_MASK) {
+ printf("This flash part has status NOT WORKING for operations:");
+ if (flash->tested & TEST_BAD_PROBE)
+ printf(" PROBE");
+ if (flash->tested & TEST_BAD_READ)
+ printf(" READ");
+ if (flash->tested & TEST_BAD_ERASE)
+ printf(" ERASE");
+ if (flash->tested & TEST_BAD_WRITE)
+ printf(" WRITE");
+ printf("\n");
+ } else {
+ printf("This flash part has status UNTESTED for operations:");
+ if (!(flash->tested & TEST_OK_PROBE))
+ printf(" PROBE");
+ if (!(flash->tested & TEST_OK_READ))
+ printf(" READ");
+ if (!(flash->tested & TEST_OK_ERASE))
+ printf(" ERASE");
+ if (!(flash->tested & TEST_OK_WRITE))
+ printf(" WRITE");
+ printf("\n");
+ }
+ printf("Please email a report to flashrom@coreboot.org if any of the above operations\n");
+ printf("work correctly for you with this flash part. Please include the full output\n");
+ printf("from the program, including chipset found. Thank you for your help!\n");
+ printf("===\n");
+ }
+
+ if (!(read_it | write_it | verify_it | erase_it)) {
+ printf("No operations were specified.\n");
+ // FIXME: flash writes stay enabled!
+ exit(1);
+ }
if (!filename && !erase_it) {
- // FIXME: Do we really want this feature implicitly?
- printf("OK, only ENABLING flash write, but NOT FLASHING.\n");
- return 0;
+ printf("Error: No filename specified.\n");
+ // FIXME: flash writes stay enabled!
+ exit(1);
}
size = flash->total_size * 1024;
buf = (uint8_t *) calloc(size, sizeof(char));
if (erase_it) {
- printf("Erasing flash chip\n");
+ printf("Erasing flash chip.\n");
+ if (!flash->erase) {
+ fprintf(stderr, "Error: flashrom has no erase function for this flash chip.\n");
+ return 1;
+ }
flash->erase(flash);
exit(0);
} else if (read_it) {
exit(1);
}
if (image_stat.st_size != flash->total_size * 1024) {
- fprintf(stderr, "Error: Image size doesnt match\n");
+ fprintf(stderr, "Error: Image size doesn't match\n");
exit(1);
}
fread(buf, sizeof(char), size, image);
- show_id(buf, size);
+ show_id(buf, size, force);
fclose(image);
}
// ////////////////////////////////////////////////////////////
- if (write_it)
+ if (write_it) {
+ if (!flash->write) {
+ fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
+ return 1;
+ }
ret |= flash->write(flash, buf);
+ }
if (verify_it)
ret |= verify_flash(flash, buf);
+#ifdef __FreeBSD__
+ close(io_fd);
+#endif
return ret;
}
projects / coreboot.git / blobdiff