GNU Boot – Libreboot 20140711 release
Author: Leah Rowe
Date: 2014-07-11

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Article published by: Leah Rowe

Date of publication: 11 July 2014

## Revisions for r20140711 (1st beta) (11th July 2014)

[link]

- Initial release (new coreboot base, dated 1st June 2014. See ‘getcb’ script for reference)
- DEBLOBBED coreboot
- Removed the part from memtest86+ ‘make’ where it tried to connect to some scp server while compiling. (commented out line 24 in the Makefile)
- X60 now uses a single .config (for coreboot)
- X60 now uses a single grub.cfg (for grub memdisk)
- X60 now uses a single grub.elf (payload)
- Added new native graphics code for X60 (replaces the old ‘replay’ code) from Vladimir Serbinenko: 5320/9 from review.coreboot.org
- T60 is now supported, with native graphics. (5345/4 from review.coreboot.org, cherry-picked on top of 5320/9 checkout)
- Added macbook2,1 support (from Mono Moosbart and Vladimir Serbinenko) from review.coreboot.org (see ‘getcb’ script to know how that was done)
  - Documentation: added information linking to correct page and talking about which models are supported.
  - Added resources/libreboot/config/macbook21config
  - macbook21: Added ‘build-macbook21’ script and linked to it in ‘build’ (ROMs included under bin/macbook21/)
  - macbook21: Removed dd instructions from build-macbook21 script (macbook21 does not need bucts when flashing libreboot while Apple EFI firmware is running)
  - Documentation: Added macbook21 ROMs to the list of ROMs in docs/#rom
  - Documentation: Write documentation linking to Mono Moosbart’s macbook21 and parabola page (and include a copy)
- Documentation: added a copy of Mono’s Parabola install guide (for macbook21 with Apple EFI firmware) and linked in in main index.
- Documentation: added a copy of Mono’s Coreboot page (for macbook21) and linked it in main index.
- T60: Copy CD option from the grub.cfg files for T60 *serial*.rom images into the grub configs for non-serial images. (T60 laptops have CD/DVD drive on main laptop)
- macbook21: remove options in build-macbook21 for *serial*.rom (there is no dock or serial port available for macbook21)
- Added patches for backlight controls on X60 and T60 with help from Denis Carikli (see ./resources/libreboot/patch/gitdiff and ./getcb and docs/i945_backlight.html)
  - Documentation: added docs/i945_backlight.html showing how backlight controls were made to work on X60/T60
- Documentation: Added info about getting LCD panel name based on EDID data.
  - Documentation: Added a link to this from the list of supported T60 laptopss and LCD panels for T60 (so that the user can check what LCD panel they have).
- X60/T60: Merged patches for 3D fix (from Paul Menzel) when using kernel 3.12 or higher (see ./resources/libreboot/patch/gitdiff and ./getcb)
  - based on 5927/11 and 5932/5 from review.coreboot.org
- Improved thinkpad_acpi support (from coreboot ): xsensors shows more information.
  - From 4650/29 in review.coreboot.org (merged in coreboot ‘master’ on June 1st 2014)
- Merged changes for digitizer (X60 Tablet) and IR (X60 and T60) based on 5243/17, 5242/17 and 5239/19 from review.coreboot.org
  - (see ./resources/libreboot/patch/gitdiff and ./getcb)
- Documentation: added information about building flashrom using ‘builddeps-flashrom’ script.
- Re-created resources/libreboot/config/x60config
- Re-created resources/libreboot/config/t60config
- Added ‘x60tconfig’ in resources/libreboot/config (because X60 Tablet has different information about serial/model/version in ‘dmidecode’)
  - Added ‘build-x60t’ script
  - Updated ‘build’ script to use ‘build-x60t’
  - Documentation: added to #config section the section #config_x60t (libreboot configuration and dmidecode info)
  - Documentation: added x60t ROMs to the list of ROMs
- Tidied up the ‘builddeps’ script (easier to read)
- Tidied up the ‘cleandeps’ script (easier to read)
- Annotated the ‘buildall’ script
- Added ‘getcb’ script for getting coreboot revision used from git, and patching it.
- Added ‘getgrub’ script for getting the GRUB revision used from git, and patching it.
- Added ‘getmt86’ script for getting the memtest86+ version used, and patching it.
- Added ‘getbucts’ script for getting the bucts version used.
- Added ‘getflashrom’ script for getting the flashrom version used, and patching it
- Added ‘getall’ script which runs all of the other ‘get’ scripts.
- Add instructions to the ‘build’ script to prepare libreboot_meta.tar.gz
  - New archive: libreboot_meta.tar.gz - minimal archive, using the ‘get’ scripts to download all the dependencies (coreboot, memtest, grub and so on).
- Documentation: added information about where ‘build’ script prepares the libreboot_meta.tar.gz archive.
- Documentation: added information about how to use the ‘get’ scripts in libreboot_meta.tar.gz (to generate libreboot_src.tar.gz)
  - Documentation: mention that meta doesn’t create libreboot_src/ directory, but that libreboot_meta itself becomes the same.
  - Documentation: advise to rename libreboot_meta to libreboot_src after running ‘getall’.
- Annotated the ‘builddeb’ script, to say what each set of dependencies are for.
- Separated bucts/flashrom builddeb sections into separate scripts: builddeb-flashrom, builddeb-bucts.
- Documentation: Updated relevant parts based on the above.
- Added instructions to ‘build’ script for including builddeb-bucts and builddeb-flashrom in libreboot_bin
- Updated flashrom checkout (r1822 2014-06-16) from SVN (http://flashrom.org/Downloads).
  - Updated flashing instructions in docs/ for new commands needed (Macronix chip on X60/T60)
  - For X60/T60 (flashrom): Patched flashchips.c_lenovobios_macronix and flashchips.c_lenovobios_sst executables for SST/macronix (included in resources/flashrom/patch)
  - Updated builddeps to build flashrom_lenovobios_sst and flashrom_lenovobios_macronix, for X60/T60 users with Lenovo BIOS
  - moved the flashrom build instructions from ‘builddeps’ and put them in ‘builddeps-flashrom’, excecuting that from ‘builddeps’.
  - Added builddeps-flashrom to libreboot_bin.tar.gz
- flashrom: added patched flashchips.c to resources/flashrom/patch (automatically use correct macronix chip on libreboot, without using ‘-c’ switch)
  - removed ‘MX25L1605’ and ‘MX25L1605A/MX25L1606E’ entries in flashchips.c for the patched version of flashchips.c
  - added instructions to ‘builddeps-flashrom’ to automatically use this modified flashchips.c in the default build
- Added builddeb to libreboot_bin.tar.gz
- Moved ‘bucts’ build instructions from builddeps to builddeps-bucts
  - builddeps now runs ‘builddeps-bucts’ instead
  - Added ‘builddeps-bucts’ to libreboot_bin.tar.gz
  - Documentation: Added information about using ‘builddep-bucts’ to build the BUC.TS utility.
- Added ‘lenovobios_firstflash’ and ‘lenovobios_secondflash’ scripts
  - Added instructions to ‘build’ script for including those files in libreboot_bin
  - Documentation: Add tutorial for flashing while Lenovo BIOS is running (on X60/T60)
- Added ‘flash’ script (make sure to run builddeps-flashrom first) which (while libreboot is already running) can use flashrom to flash a ROM
  - eg: “sudo ./flash bin/x60/coreboot_serial_ukdvorak.rom” equivalent to “sudo ./flashrom/flashrom -p internal -w bin/x60/coreboot_uk_dvorak.rom”
  - updated ‘build’ script to include the ‘flash’ script in libreboot_bin.tar.gz
- Documentation: replaced default flashrom tutorial to recommend the ‘flash’ script instead.
- Re-add cbfstool source code back into libreboot_bin.tar.gz, as cbfstool_standalone
  - Patched that version to work (able to be built and used) without requiring the entire coreboot source code.
  - Created patched version of the relevant source files and added it into resources/cbfstool/patch
    - see coreboot/util/cbfstool/rmodule.c and then the patched version in resources/cbfstool/patch/rmodule.c
    - see coreboot/src/include/rmodule-defs.h and the rule in ‘build’ for including this in ../libreboot_bin/cbfstool_standalone
  - Added instructions to ‘build’ script for applying this patch to the cbfstool_standalone source in libreboot_bin
  - Added instructions to ‘build’ script for then re-compiling cbfstool_standalone in libreboot_bin after applying the patch
  - Added a ‘builddeps-cbfstool’ script (in src, but only used in bin and put in bin by ‘build’) that compiles cbfstool_standalone in libreboot_bin (make), moves the cbfstool and rmodtool binaries into libreboot_bin/ and then does ‘make clean’ in libreboot_bin/cbfstool_standalone
  - Updated the ‘build’ script to put ‘builddeps-cbfstool’ in libreboot_bin
  - Updated the ‘build’ script in the cbfstool (standalone) part to accomodate the above.
  - Documentation: added notes about cbfstool (standalone) in libreboot_bin
- Documentation: made docs/gnulinux/grub_cbfs.html slightly easier to follow.
- Annotate the ‘build*’ scripts with ‘echo’ commands, to help the user understand what it actually happening during the build process.
- Documentation: added information about how ‘dmidecode’ data was put in the coreboot configs
  - Documentation: In fact, document how the ‘config’ files in resources/libreboot/config/ were created
- Documentation: Added information about which ThinkPad T60 laptops are supported, and which are not.
- Documentation: added information about LCD inverters (for upgrading the LCD panel on a T60 14.1’ XGA or 15.1’ XGA)
  - it’s FRU P/N 41W1478 (on T60 14.1") so this was added to the docs.
  - it’s P/N 42T0078 FRU 42T0079 or P/N 41W1338 (on T60 15.1") so this was added to the docs.
- Documentation: added information about names of LCD panels for T60 to the relevant parts of the documentation.
- Documentation: added information (with pictures) about the differences between T60 with Intel GPU and T60 with ATI GPU.
- Documentation: added pictures of keyboard layouts (US/UK Qwerty/Dvorak) to the ROM list, to let the user compare with their own keyboard.
- Move the coreboot build instructions in ‘builddeps’ into ‘builddeps-coreboot’ and link it in ‘builddeps’
  - Link to ‘builddeps-coreboot’ in final stage of ‘getcb’
- Move GRUB build instructions from ‘builddeps’ into ‘builddeps-grub’, link from ‘builddeps’
  - Link to ‘builddeps-grub’ in final stage of ‘getgrub’
- Move MemTest86+ build instructions from ‘builddeps’ into ‘builddeps-memtest86’, link from ‘builddeps’
  - Link to ‘builddeps-memtest86’ in final stage of ‘getmt86’
- made ‘build’ script put resources/ directory in libreboot_bin, to make builddeps-flashrom work in libreboot_bin
- Removed instructions for building source code in the ‘get’ script (they don’t really belong there)
- Added libfuse-dev and liblzma-dev to the list of GRUB dependencies in ‘builddeb’ script.
- Converted the ‘RELEASE’ file to ‘docs/RELEASE.html’
- Added those dependencies to builddeb script (for GRUB part): gawk libdevmapper-dev libtool libfreetype6-dev
- Added to build script the instruction at the end to create a sha512sum.txt with a file manifest plus checksums.
- Deleted the RELEASE and BACKPORT files (no longer needed)
- Documentation: added information about X60/T60 dock (ultrabase x6 and advanced mini dock) to relevant sections.
  - Added to docs/#serial

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