NAME

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

DESCRIPTION

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

       -d | --dump:
              dump intel firmware descriptor

       -f | --layout <filename>
              dump regions into a flashrom layout file

       -t | --validate
              Validate that the firmware descriptor layout matches the fmap layout

       -x | --extract:
              extract intel fd modules

       -i | --inject <region>:<module>
              inject file <module> into region <region>

       -n | --newlayout <filename>
              update regions using a flashrom layout file

       -O | --output <filename>
              output filename

       -s | --spifreq <17|20|30|33|48|50>
              set the SPI frequency

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

       -C | --chip <0|1|2>
              select  spi  chip on which to operate can only be used once per run: 0 - both chips (default), 1 -
              first chip, 2 - second chip

       -e | --em100
              set SPI frequency to 20MHz and disable Dual Output Fast Read Support

       -l | --lock
              Lock firmware descriptor and ME region

       -r | --read
              Enable CPU/BIOS read access for ME region

       -u | --unlock
              Unlock firmware descriptor and ME region

       -M | --altmedisable <0|1>
              Set the MeDisable and AltMeDisable (or HAP for skylake or newer platform) bits to disable ME

       -p | --platform
              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

       -S | --setpchstrap
              Write a PCH strap

       -V | --newvalue
              The new value to write into PCH strap specified by -S

       -v | --version:
              print the version

       -h | --help:
              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.

ifdtool v1.2 -- Copyright (C) 2011 Google Inc.    November 2023                                       IFDTOOL(8)