Documentation/releases: Start getting ready for the 4.19 release
Signed-off-by: Martin Roth <gaumless@gmail.com> Change-Id: I3edbf3ebc74ebae5896196b43dd5be014f27a0ec Reviewed-on: https://review.coreboot.org/c/coreboot/+/71590 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
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Martin Roth
Martin L Roth
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Upcoming release - coreboot 4.19
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========================================================================
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The 4.19 release is planned for January 2023.
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The 4.19 release is planned for the 15th of January 2023.
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Since the last release, the coreboot project has merged almost 1500
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commits from over 150 authors. Of those authors, more than 20 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
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in this release and in previous times.
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Update this document with changes that should be in the release notes.
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@ -12,17 +25,101 @@ Update this document with changes that should be in the release notes.
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* Note that all changes before the release are done are marked upcoming.
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A final version of the notes are done after the release.
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Significant changes
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-------------------
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Significant or interesting changes
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----------------------------------
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### Add significant changes here
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### Show all Kconfig options in saved config file, compress it
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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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Additional coreboot changes
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---------------------------
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* One or two line change comments go here
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* Significant work to enable and build-test clang builds
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New Mainboards
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--------------
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* AMD: Mayan for Morgana 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: Marasov
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* Google: Voltorb
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* Intel: Meteorlake-P RVP
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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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* 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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New SoCs
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-------------------
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* soc/amd/glinda
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Removed processors
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-------------------
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* cpu/amd/agesa/family14
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* cpu/amd/agesa/family15tn
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* cpu/amd/agesa/family16kb
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@ -33,17 +130,15 @@ Payloads
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Plans for Code Deprecation
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--------------------------
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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. Also, the only user of this platform ever
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was the Intel CRB (Customer Reference Board). From the looks of it the
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code was never ready for production as only engineering sample CPUIDs
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are supported. This reduces the maintanence overhead for the coreboot
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project.
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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 with release 4.19 and any maintenence
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will be done on the 4.19 branch. This consists of the Intel Icelake SoC
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@ -62,3 +157,21 @@ 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: 1376
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- Average Commits per day: 18.24
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- Total lines added: 83954
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- Average lines added per commit: 61.01
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- Number of patches adding more than 100 lines: 69
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- Average lines added per small commit: 38.96
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- Total lines removed: 765520
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- Average lines removed per commit: 556.34
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- Total difference between added and removed: -681566
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Known Issues
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------------
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