234 lines
7.6 KiB
Markdown
234 lines
7.6 KiB
Markdown
Upcoming release - coreboot 4.19
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========================================================================
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The 4.19 release is planned for the 16th of January 2023.
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Since the last release, the coreboot project has merged over 1600
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commits from over 150 authors. Of those authors, around 25 were
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first-time committers to the coreboot project.
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As always, we are very grateful to all of the contributors for helping
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to keep the project going. The coreboot project is different from many
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open source projects in that we need to keep constantly updating the
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codebase to stay relevant with the latest processors and technologies.
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It takes constant effort to just stay afloat, let alone improve the
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codebase. Thank you very much to everyone who has contributed, both in
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this release and in previous times.
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The 4.20 release is planned for the 20th of April, 2023.
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Significant or interesting changes
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----------------------------------
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### Show all Kconfig options in saved config file; compress same
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The coreboot build system automatically adds a 'config' file to CBFS
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that lists the exact Kconfig configuration that the image was built
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with. This is useful to reproduce a build after the fact or to check
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whether support for a specific feature is enabled in the image.
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This file has been generated using the 'savedefconfig' Kconfig command,
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which generates the minimal .config file that is needed to produce the
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required config in a coreboot build. This is fine for reproduction, but
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bad when you want to check if a certain config was enabled, since many
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options get enabled by default or pulled in through another option's
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'select' statement and thus don't show up in the defconfig.
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Instead coreboot now includes a larger .config instead. In order to save
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some space, all of the comments disabling options are removed from the
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file, except for those included in the defconfig.
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We can also LZMA compress the file since it is never read by firmware
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itself and only intended for later re-extraction via cbfstool, which
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always has LZMA support included.
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### Toolchain updates
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* Upgrade LLVM from 15.0.0 to 15.0.6
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* Upgrade CMake from 3.24.2 to 3.25.0
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* Upgrade IASL from 20220331 to 20221020
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* Upgrade MPFR from 4.1.0 to 4.1.1
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### Finished the conversion to ASL 2.0 syntax
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Until recently, coreboot still contained lots of code using the legacy
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ASL syntax. However, all ASL code was ported over to make use of the ASL
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2.0 syntax and from this point on new ASL code should make use of it.
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Additional coreboot changes
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---------------------------
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* Significant work was done to enable and build-test clang builds.
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* Added touchscreen power sequencing and runtime detection.
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* A number of patches were added to clean up and improve SMBIOS.
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* Work is in progress to unify and extend coreboot post codes.
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* Clean up for header includes is in progress with help from IWYU.
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* IOAPIC code has been reworked.
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* Support was added to superiotool for the NCT6687D-W chip.
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* Work is progressing to switch return values to enum cb_err instead of
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bool or other pass/fail indicators.
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* Clang builds are now working for most boards and are being
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build-tested.
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* 64-bit coreboot support is in progress and is working on a number of
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platforms.
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* A driver for EC used on various Clevo laptops was added.
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* Native Intel Lynxpoint code was added to replace the MRC.bin.
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* Work continued for the process of adding ops structures to the
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devicetree.
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* The crossgcc tool can now download the source packages, which are
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needed to build the coreboot toolchain, from coreboot’s own mirror if
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desired.
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* A document with useful external resources related to firmware
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development was added at Documentation/external_docs.md.
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New Mainboards
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--------------
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* AMD: Mayan for Phoenix SoC
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* GIGABYTE: GA-H61M-DS2
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* Google: Crystaldrift
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* Google: Gladios
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* Google: Dibbi
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* Google: Gaelin
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* Google: Marasov
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* Google: Markarth
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* Google: Omnigul
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* Google: Voltorb
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* Intel: Meteorlake-P RVP
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* MSI: PRO Z690-A (WIFI)
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* Siemens: MC_EHL3
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* Star Labs: StarBook Mk VI (i3-1220P and i7-1260P)
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* System76: darp8
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* System76: galp6
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Removed Mainboards
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------------------
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* AMD: Inagua
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* AMD: Olive Hill
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* AMD: Parmer
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* AMD: Persimmon
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* AMD: Southstation
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* AMD: Thatcher
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* AMD: Unionstation
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* ASROCK: E350M1
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* ASROCK: IMB-A180
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* ASUS: A88XM-E
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* ASUS: AM1I-A
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* ASUS: F2A85-M
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* ASUS: F2A85-M LE
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* ASUS: F2A85-M PRO
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* BAP: ODE_e20xx
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* Biostar: A68N-5200
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* Biostar: AM1ML
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* ELMEX: pcm205400
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* ELMEX: pcm205401
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* GizmoSphere: Gizmo
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* GizmoSphere: Gizmo2
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* Google: Morthal
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* HP: ABM
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* HP: Pavilion m6 1035dx
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* Jetway: NF81_T56N_LF
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* Lenovo: AMD G505s
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* LiPPERT: FrontRunner-AF aka ADLINK CoreModule2-GF
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* LiPPERT: Toucan-AF aka cExpress-GFR (+W83627DHG SIO)
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* MSI: MS-7721 (FM2-A75MA-E35)
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* PC Engines: APU1
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Updated SoCs
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------------
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* Added soc/amd/glinda
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* Renamed soc/amd/morgana to soc/amd/phoenix
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* Removed cpu/amd/agesa/family14
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* Removed cpu/amd/agesa/family15tn
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* Removed cpu/amd/agesa/family16kb
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Updated Chipsets
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----------------
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* Removed northbridge/amd/agesa/family14
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* Removed northbridge/amd/agesa/family15tn
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* Removed northbridge/amd/agesa/family16kb
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* Removed southbridge/amd/agesa/hudson
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* Removed southbridge/amd/cimx/sb800
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Payloads
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--------
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* Updated GRUB from 2.04 to 2.06
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* Updated SeaBIOS 1.16.0 to 1.16.1
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Plans to move platform support to a branch
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------------------------------------------
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### Intel Icelake SoC & Icelake RVP mainboard
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Intel Icelake is unmaintained and the only user of this platform ever
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was the Intel CRB (Customer Reference Board). From the looks of the
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code, it was never ready for production as only engineering sample
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CPUIDs are supported.
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Intel Icelake code will be removed following 4.19 and any maintenance
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will be done on the 4.19 branch. This consists of the Intel Icelake SoC
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and Intel Icelake RVP mainboard.
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### Intel Quark SoC & Galileo mainboard
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The SoC Intel Quark is unmaintained and different efforts to revive it
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failed. Also, the only user of this platform ever was the Galileo
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board.
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Thus, to reduce the maintenance overhead for the community, support for
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the following components will be removed from the master branch and will
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be maintained on the release 4.20 branch.
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* Intel Quark SoC
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* Intel Galileo mainboard
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Statistics from the 4.18 to the 4.19 release
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--------------------------------------------
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- Total Commits: 1608
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- Average Commits per day: 17.39
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- Total lines added: 93786
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- Average lines added per commit: 58.32
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- Number of patches adding more than 100 lines: 80
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- Average lines added per small commit: 38.54
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- Total lines removed: 768014
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- Total difference between added and removed: -674228
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Significant Known and Open Issues
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---------------------------------
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Issues from the coreboot bugtracker: https://ticket.coreboot.org/
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| # | Subject |
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|-----|-----------------------------------------------------------------|
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| 449 | ThinkPad T440p fail to start, continuous beeping & LED blinking |
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| 448 | Thinkpad T440P ACPI Battery Value Issues |
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| 446 | Optiplex 9010 No Post |
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| 445 | Thinkpad X200 wifi issue |
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| 439 | Lenovo X201 Turbo Boost not working (stuck on 2,4GHz) |
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| 427 | x200: Two battery charging issues |
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| 414 | X9SAE-V: No USB keyboard init on SeaBIOS using Radeon RX 6800XT |
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| 412 | x230 reboots on suspend |
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| 393 | T500 restarts rather than waking up from suspend |
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| 350 | I225 PCIe device not detected on Harcuvar |
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| 327 | OperationRegion (OPRG, SystemMemory, ASLS, 0x2000) causes BSOD |
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