flashrom

flashrom@flashrom.org

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9187 discussions

Tested write confirmation for MX77L25650F
by Niels Schapke - LapStore.de 17 May '25

17 May '25

Dear Flashrom-Team, today i could successfully write to a untested MX77L25650F: ~/Transfer  flashrom -p ch341a_spi -w BIOS-PW_Dell-Optiplex-5090-Desktop-PC_LS3DWM8-1.bin  ✔ flashrom v1.5.1 (git:v1.5.1) on Linux 6.6.88-1-MANJARO (x86_64) flashrom is free software, get the source code at https://flashrom.org Found Macronix flash chip "MX77L25650F" (32768 kB, SPI) on ch341a_spi. === This flash part has status UNTESTED for operations: WP The test status of this chip may have been updated in the latest development version of flashrom. If you are running the latest development version, please email a report to flashrom(a)flashrom.org if any of the above operations work correctly for you with this flash chip. Please include the flashrom log file for all operations you tested (see the man page for details), and mention which mainboard or programmer you tested in the subject line. You can also try to follow the instructions here: https://www.flashrom.org/contrib_howtos/how_to_mark_chip_tested.html Thanks for your help! Reading old flash chip contents... done. Updating flash chip contents... Erase/write done from 0 to 1ffffff Verifying flash... FAILED at 0x004935c0! Expected=0x5b, Found=0x7f, failed byte count from 0x00000000-0x01ffffff: 0xa30 Your flash chip is in an unknown state. Please report this to the mailing list at flashrom(a)flashrom.org or on IRC (see https://www.flashrom.org/Contact for details), thanks! Niels Schapke Geprüfter Informationselektroniker mit Schwerpunkt Geräte- und Systemtechnik (KH-MS) Ersatzteil-Einkauf / Reparatur | Lapstore GmbH [Lapstore Logo] https://www.lapstore.de [Phone] +49 251 579 939 7 (Hotline Mo. - Fr. 09:00 - 16:00 Uhr tel:+492515799397) [Email] niels.schapke(a)lapstore.de mailto:niels.schapke@lapstore.de [Website] www.lapstore.de https://www.lapstore.de [Address] Amelunxenstraße 61, 48167 Münster Lapstore GmbH HRB 16239, Amtsgericht Münster Geschäftsführer: Axel Barich, Simon Brüne, Claus Peter Blunck Ladungsfähige Anschrift: Amelunxenstraße 61, 48167 Münster Umsatzsteuer-Identnummer: DE 815646819 WEEE-Reg.-Nr.: DE 32208039 [Facebook] https://www.facebook.com/LapstoreGmbH [Instagram] https://www.instagram.com/lapstore_gmbh/ [YouTube] https://www.youtube.com/@lapstore_gmbh

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Erase fails with flashrom using mtd
by Sakthipriya M 28 Apr '25

28 Apr '25

Hi, We are using customised Elkhart lake board, when we tried to update BIOS using flashrom, following error is reported, "linux_mtd_erase: MEMERASE ioctl call returned -1, error: Input/output error". But sometimes we could update BIOS successfully. Chip size is 16MB, Flashrom erases successfully till 6MB and fails then Flashchip: Macronix MX25L12835F OS: GNU/LINUX Kernel: Tried in 6.12.5 and 6.14.2. Ensured that MTD kernel configurations are enabled. Flash chip is detected as "BIOS" in /dev/mtd0. Thanks, Sakthipriya M

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FAILED: HP Chromebook 11 G8 EE
by James Accuosti 28 Apr '25

28 Apr '25

Greetings! I encountered an error updating the serial number for a chromebook. Per the error instructions, I am sending this message and it is telling me to not reboot or power off. Please let me know if you need more information. Thank you! -- CONFIDENTIALITY(NOTICE):This is a staff email account managed by Weston Public Schools. This e-mail message from the Weston Public Schools, including any attachments, is for the sole use of the intended recipient(s) and may contain information that is privileged, confidential and/or exempt from disclosure under applicable law. If you are not the intended recipient or authorized to receive information for the recipient, you are hereby notified that any review, use, disclosure, distribution, copying, printing, or action taken in reliance on the contents of this email is strictly prohibited. If you receive this communication in error, please, immediately contact the sender and destroy the material in its entirety. Please note that messages to or from the Weston Public Schools domain may be subject to the Freedom of Information Act (Conn. Gen. Stat. sections 1-200 et seq.) and/or the Federal Educational Rights and Privacy Act (20 U.S.C. § 1232g; 34 CFR Part 99). Thank you.

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Succesfully flashed GigaDevice GD25Q80(B) with ch341a_spi on AMD Radeon Pro W5700 (in situ with clip)
by Axel Drogoin 26 Apr '25

26 Apr '25

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W25Q256JV_Q is checked
by works＠veghelyiattila.hu 26 Apr '25

26 Apr '25

hi, I checked the PROBE - READ - ERASE - WRITE operations of the W25Q256JV_Q flash with J-Link and CH341 spi writers. the flashrom version was the newest development release at 2025-04-14 (#4d4688ccf132c580107b013d2d929a0816aa89c1) I made a little modification in the 'jlink_spi.c' source, because I use the power supply from the J-Link device pin 19. this power is 5V, I put a 3.3V LDO (HT7333) after it, and this LDO (and decoupling capacitors) need more time to fix output voltage. I attached the patch file. [ I tried to ask merge request via Jenkins, but it was too complicated for modify one char in the source ;-) ] my flash type was Winbond 25Q256JVEQ, which recognized by flashrom to W25Q256JV_Q or W25Q256FV, both type probed, read, wrote, erased, both modality worked fine. regards, Attila

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Reg: MEMERASE ioctl call returned -1, error: Input/output error
by Arvind GP 01 Apr '25

01 Apr '25

Hi All, We are trying to update the BIOS using the flashrom utility on the Elkhart Lake (LEC-EL) x86 platform, but we are facing the issue: "linux_mtd_erase: MEMERASE ioctl call returned -1, error: Input/output error" when running the flashrom tool. Please see below the attached error log for your reference. System Configuration: * Ubuntu 24.04 * Kernel Version: 6.13.7 NOTE: We have previously used this tool to upgrade and downgrade the BIOS without issues, but we are currently encountering this error. ERROR MESSAGE: $ sudo flashrom -p linux_mtd:dev=0 -w /home/adlink/Documents/LEC-EL_10710_FullImage/LEC-EL_10710.BIN -V flashrom v1.5.1 on Linux 6.13.7 (x86_64) flashrom is free software, get the source code at https://flashrom.org flashrom was built with GCC 13.3.0, little endian Command line (5 args): flashrom -p linux_mtd:dev=0 -w /home/adlink/Documents/LEC-EL_10710_FullImage/LEC-EL_10710.BIN -V Initializing linux_mtd programmer get_mtd_info: device_name: "BIOS", is_writeable: 1, numeraseregions: 0, total_size: 16777216, erasesize: 4096 Opened /dev/mtd0 successfully The following protocols are supported: Programmer-specific. Probing for Programmer Opaque flash chip, 0 kB: Added layout entry 00000000 - 00ffffff named complete flash Found Programmer flash chip "Opaque flash chip" (16384 kB, Programmer-specific) on linux_mtd. Found Programmer flash chip "Opaque flash chip" (16384 kB, Programmer-specific). Reading old flash chip contents... read_flash: region (00000000..0xffffff) is readable, reading range (00000000..0xffffff). done. Updating flash chip contents... erase_write: region (00000000..0xffffff) is writable, erasing range (00000000..0xffffff). linux_mtd_erase: MEMERASE ioctl call returned -1, error: Input/output error Erase/write done from 0 to ffffff Write Failed!Uh oh. Erase/write failed. Checking if anything has changed. Reading current flash chip contents... read_flash: region (00000000..0xffffff) is readable, reading range (00000000..0xffffff). done. Good, writing to the flash chip apparently didn't do anything. Please check the connections (especially those to write protection pins) between the programmer and the flash chip. If you think the error is caused by flashrom please report this to the mailing list at flashrom(a)flashrom.org or on IRC (see https://www.flashrom.org/Contact for details), thanks! Could you please suggest if any kernel configuration needs to be changed? We would appreciate your input. Thanks & Regards, Arvind G P.

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libflashrom questions
by Dmitry Zhadinets 29 Mar '25

29 Mar '25

Hi I'm writing some UI application based on libflashrom https://gitlab.com/dzhadinets/gflashrom I have some questions/suggestions: - how to obtain the list of programmers , as far as I see there is no any way to do it for now. Maybe using the log routine but it is definitely not the best way - could you add userdata to the callbacks you are calling . just a void* without any obligations - probing: in case of multiple chips it returns just an error about it. but there is no option to enumerate what was found. BTW relating to some previous thread. It would be great that libflasrom probe works like cli version (to probe everything but not only first 2) I will be happy to receive any advice. Looking forward to having progress api everywhere. Best regards Dmitry

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Flashrom question regarding XMC25QH6A chip
by Eric Park 25 Mar '25

25 Mar '25

Hello! I have a device with a XMC25QH6A chip I'm trying to get a full image of. I came across this GitHub issue[1] and associated pull requests here[2] and here[3], but both pull requests were closed with a comment linking to a Gerrit patchset[4] that seems to no longer exist (or I do not have sufficient permissions to view). I commented on the original issue to ask the rationale behind closing the PRs and to perhaps seek some clarification on what the Gerrit patchset was about last year, but did not receive a response. I was under the impression that perhaps GitHub is not as closely monitored and I'd have better luck emailing the mailing list. If anyone would please comment on the status of this particular chip and what is blocking Flashrom from supporting it that would be greatly appreciated! - Eric [1]: https://github.com/flashrom/flashrom/issues/148 [2]: https://github.com/flashrom/flashrom/pull/150 [3]: https://github.com/flashrom/flashrom/pull/239 [4]: https://review.coreboot.org/c/flashrom/+/63900

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Feature Request : Software SPI using gpio lines from sysfs or libgpiod (Issue #339)
by Pierre Colombier 24 Mar '25

24 Mar '25

Hello, I am proposing the introduction of a new programmer type based on Bit-banging SPI using generic GPIO lines that are available on most SoCs. While there is existing support for linux_spi, creating a software-based SPI device using GPIOs currently involves complex configurations with the device-tree or sysfs, which can be quite cumbersome and technical. I noticed there is a file named bitbang_spi.c within the source that performs similar functionality. It might only be necessary to map the lower layer to the appropriate functions from libgpiod to achieve this and the most complicated may be the parsing of cmdline parameters. I initially considered writing a patch directly and contributing it to this project. However, given my limited familiarity with the current codebase structure, I am not very confident in my ability to implement this feature without guidance. Thank you for considering this Request. Best regards,

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linux_spi - spispeed not affecting erase/write speed - MT25QU01G
by Mathijs Van de Poel 17 Mar '25

17 Mar '25

Hello, We are using the driver to write to a MT25QU01G memory over SPI. I tried various speeds using the spispeed parameter but the erase/write times stayed the same. Any idea how I could improve this speed? time sudo flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=100000 -c "MT25QU01G" -E time sudo flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=100000 -w MT_file.bin -V -c MT25QU01G Spispeed Delete [min] Write [min] 16000 14 17 20000 13.5 15.43 25000 13.41 18.5 100000 14.4 17 Thank you in advance, Mathijs -- This email is private and confidential. If you are not the intended recipient, do not copy or disclose its content, but please contact the sender immediately. Open Cosmos Ltd is a company registered in England & Wales. Registration number: 09704443. Registered office: Electron Building, Fermi Avenue, Harwell, OX11 0QR.

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