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some documentation updates by Uwe and some smaller ones by me. 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2358 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2006-08-03 10:49:09 +00:00
parent 085cb4b4ca
commit 9327d22641
3 changed files with 46 additions and 41 deletions
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12
util/flashrom/README
View File

@ -13,19 +13,19 @@ installed on your linux system:
usage
-----
usage: ./flashrom [-rwvE] [-V] [-c chipname]
[-s exclude_start] [-e exclude_end] [file]
usage: ./flashrom [-rwvEVfh] [-c chipname] [-s exclude_start]
[-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]
-r | --read: read flash and save into file
-w | --write: write file into flash (default when file is specified)
-w | --write: write file into flash (default when
file is specified)
-v | --verify: verify flash against file
-E | --erase: Erase flash device
-E | --erase: erase flash device
-V | --verbose: more verbose output
-c | --chip <chipname>: probe only for specified flash chip
-s | --estart <addr>: exclude start position
-e | --eend <addr>: exclude end postion
-m | --mainboard <vendor:part>: override mainboard settings
-f | --force: force write without checking image
-l | --layout <file.layout>: read rom layout from file
-i | --image <name>: only flash image name from flash layout

18
util/flashrom/flash_rom.c
View File

@ -51,7 +51,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
unsigned long size;
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
perror("Can not open /dev/mem");
perror("Error: Can not open /dev/mem. You need to be root.");
exit(1);
}
@ -73,7 +73,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0xffffffff - size + 1));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
perror("Error: Can't mmap /dev/mem.");
exit(1);
}
flash->virt_addr = bios;
@ -90,7 +90,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0x9400000));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
perror("Error: Can't mmap /dev/mem.");
exit(1);
}
flash->virt_addr = bios;
@ -145,12 +145,14 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
void usage(const char *name)
{
printf("usage: %s [-rwvE] [-V] [-c chipname] [-s exclude_start] [-e exclude_end] [file]\n", 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(" -r | --read: read flash and save into file\n"
" -w | --write: write file into flash (default when file is specified)\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\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"
@ -160,7 +162,7 @@ void usage(const char *name)
" -i | --image <name>: only flash image name from flash layout\n"
"\n"
" If no file is specified, then all that happens\n"
" is that flash info is dumped\n\n");
" is that flash info is dumped.\n\n");
exit(1);
}

23
util/flashrom/flashrom.1
View File

@ -1,10 +1,11 @@
.\" Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>.
.\" This manpage is licensed under the terms of the GNU GPL.
.TH FLASHROM 1 "July 26, 2006"
.SH NAME
flashrom \- the universal LinuxBIOS flash utility
.SH SYNOPSIS
.B flashrom \fR[\fB\-rwvEVflih\fR] [\fB\-c\fR chipname]
[\fB\-s\fR exclude_start] [\fB\-e\fR exclude_end]
[\fB-m\fR vendor:part] [file]
.B flashrom \fR[\fB\-rwvEVfh\fR] [\fB\-c\fR chipname] [\fB\-s\fR exclude_start] [\fB\-e\fR exclude_end]
[\fB-m\fR vendor:part] [\fB-l\fR file.layout] [\fB-i\fR image_name] [file]
.SH DESCRIPTION
.B flashrom
is the universal LinuxBIOS flash utility.
@ -31,10 +32,10 @@ More verbose output.
Probe only for specified flash chip.
.PP
.B "\-s, \-\-estart" <addr>
Exclude start position.
Exclude start position. (obsolete)
.PP
.B "\-e, \-\-eend" <addr>
Exclude end postion.
Exclude end postion. (obsolete)
.PP
.B "\-m, \-\-mainboard" <vendor:part>
Override mainboard settings.
@ -42,7 +43,7 @@ Override mainboard settings.
.B "\-f, \-\-force"
Force write without checking image.
.PP
.B "\-l, \-\-layout"
.B "\-l, \-\-layout" <layout.file>
Read ROM layout from file.
.PP
.B "\-i, \-\-image" <name>
@ -54,7 +55,7 @@ Show a help text and exit.
.\".B "\-\-version"
.\"Show version information and exit.
.SH BUGS
Please report any bugs at http://bugzilla.openbios.org/
Please report any bugs at http://bugzilla.openbios.org/.
.SH LICENCE
.B flashrom
is covered by the GNU General Public License (GPL).
@ -63,17 +64,19 @@ is covered by the GNU General Public License (GPL).
.SH COPYRIGHT
2000 Silicon Integrated System Corporation
.br
2003 Niki W. Waibel
.br
2004 Tyan Corp
.br
2005-2006 coresystems GmbH
.br
2003 Niki W. Waibel
.SH AUTHORS
Yhlu <yinghai.lu@amd.com>
Yinghai Lu <yinghai.lu@amd.com>
.br
Stefan Reinauer <stepan@coresystems.de>
.br
Niki W. Waibel <niki.waibel@gmx.net>
.br
some others
.PP
This manual page was written by Uwe Hermann <uwe@hermann-uwe.de>,
for the Debian GNU/Linux system (but may be used by others).