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IFDTOOL(8) System Administration Utilities IFDTOOL(8)


ifdtool - manual page for ifdtool v1.2 -- Copyright (C) 2011 Google Inc.


usage: debian/coreboot-utils/usr/sbin/ifdtool [-vhdix?] <filename>

dump intel firmware descriptor
dump regions into a flashrom layout file
Validate that the firmware descriptor layout matches the fmap layout
extract intel fd modules
inject file <module> into region <region>
update regions using a flashrom layout file
output filename
set the SPI frequency

-D | --density <512|1|2|4|8|16|32|64> set chip density (512 in KByte, others in MByte)

select spi chip on which to operate can only be used once per run: 0 - both chips (default), 1 - first chip, 2 - second chip
set SPI frequency to 20MHz and disable Dual Output Fast Read Support
Lock firmware descriptor and ME region
Enable CPU/BIOS read access for ME region
Unlock firmware descriptor and ME region
Set the MeDisable and AltMeDisable (or HAP for skylake or newer platform) bits to disable ME
Add platform-specific quirks adl - Alder Lake aplk - Apollo Lake cnl - Cannon Lake lbg - Lewisburg PCH ehl - Elkhart Lake glk - Gemini Lake icl - Ice Lake jsl - Jasper Lake sklkbl - Sky Lake/Kaby Lake tgl - Tiger Lake
Write a PCH strap
The new value to write into PCH strap specified by -S
print the version
print this help

<region> is one of Descriptor, BIOS, ME, GbE, Platform, res1, res2, res3

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, version 2 of the License.

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.

December 2022 ifdtool v1.2 -- Copyright (C) 2011 Google Inc.