Provided by: coreboot-utils_24.12+dfsg-2ubuntu1_amd64 

NAME
ifdtool - Extract and dump Intel Firmware Descriptor information
SYNOPSIS
usage ifdtool [-vhdix?] <filename>
DESCRIPTION
Extract and dump Intel Firmware Descriptor information.
OPTIONS
-d | --dump dump intel firmware descriptor -f | --layout <filename> dump regions into a flashrom layout file -F | --fmap-layout <filename> dump IFD regions into a fmap layout template (.fmd) 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 -g | --gpr0-disable Disable GPR0 (Global Protected Range) register -E | --gpr0-enable Enable GPR0 (Global Protected Range) register -c | --gpr0-status Checking GPR0 (Global Protected Range) register status -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 dnv - Denverton ehl - Elkhart Lake glk - Gemini Lake icl - Ice Lake ifd2 - IFDv2 Platform jsl - Jasper Lake mtl - Meteor Lake sklkbl - Sky Lake/Kaby Lake tgl - Tiger Lake wbg - Wellsburg -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
NOTES
<region> is one of Descriptor, BIOS, ME, GbE, Platform Data, Secondary BIOS, Device Exp1, EC, Device Exp2, IE, 10GbE_0, 10GbE_1, PTT
AUTHORS
coresystems GmbH. Man page written by Ahmad Khalifa. November 2024 IFDTOOL(8)