ifdtool

usage ifdtool [-vhdix?] <filename>

Extract and dump Intel Firmware Descriptor information.

-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

<region> is one of Descriptor, BIOS, ME, GbE, Platform Data, Secondary BIOS, Device Exp1, EC, Device Exp2, IE, 10GbE_0, 10GbE_1, PTT

coresystems GmbH.
Man page written by Ahmad Khalifa.