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Commit 3ee4cc9ddec62276c374f8c7f0c0b3322cfaa9f6 (fix typo in dell
latitude coreboot coreboot config) fixed a typo from ${VARIANT_DIR) to
$(CONFIG_VARIANT_DIR). While this does work, since CONFIG_VARIANT_DIR is
a valid variable, it is not technically correct, as the default VBT path
set by coreboot's Kconfig files uses $(VARIANT_DIR), which is the same
as CONFIG_VARIANT_DIR, but with quotes stripped out.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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see relevant patch added in the diff
set the clock on x4x boards to 96MHz like on GM45
fixes the following build error on x4x boards:
hw-gfx-gma-plls.adb:465:46: error: "INTEL_GMA_DPLL_REF_FREQ" not declared in "Config"
make: *** [Makefile:423: build/ramstage/libgfxinit/common/g45/hw-gfx-gma-plls.o] Error 1
Signed-off-by: Leah Rowe <leah@libreboot.org>
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some of my DDR2 checks were unnecessary, as nicholas pointed
out on irc, because they were in places that only ran if
DDR2 memory was used anyway.
in another, valid place, I was checking the wrong variable for
knowing what memory type is used.
this patch fixes build errors in lbmk:
src/northbridge/intel/gm45/raminit.c: In function 'dram_program_timings':
src/northbridge/intel/gm45/raminit.c:1120:29: error: 'sysinfo' undeclared (first use in this function); did you mean 'sysinfo_t'?
1120 | if (sysinfo->spd_type == DDR2)
| ^~~~~~~
| sysinfo_t
src/northbridge/intel/gm45/raminit.c:1120:29: note: each undeclared identifier is reported only once for each function it appears in
src/northbridge/intel/gm45/raminit.c: In function 'ddr2_odt_setup':
src/northbridge/intel/gm45/raminit.c:1291:21: error: 'sysinfo' undeclared (first use in this function); did you mean 'sysinfo_t'?
1291 | if (sysinfo->spd_type == DDR2) {
| ^~~~~~~
| sysinfo_t
make: *** [Makefile:423: build/romstage/northbridge/intel/gm45/raminit.o] Error 1
Signed-off-by: Leah Rowe <leah@libreboot.org>
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these configs were otherwise correct, but i typo'd a variable
in them when manually rebasing the old configs, after switching
to nicholas's new ports implemented as variants, where the old
ones in lbmk were individual board ports for those same boards.
Signed-off-by: Leah Rowe <info@minifree.org>
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it is identical to fam15h_rdimm, with _udimm now removed;
the latter had a patch that added certain behaviour only
intended for rdimm, but the patch in question breaks various
configurations.
raminit has always been unreliable on these boards. i'd rather
simplify it all, in lbmk. i'll probably update this to the dasharo
tree later on, specificalyl for kgpe-d16
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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The libgfxinit patch and other patches e.g. DDR2 fix, are
now provided in coreboot/default. The Latitude E6400 is now
using the newer coreboot revision from late July 2024.
Some other configs had to change because of this, relating to
the new way that Nicholas handles timing on LVDS displays
with the E6400 port; a default 96MHz clock is still used for
pixel reference clock, overridden with a value of 100MHz on
other GM45 machines, where 96MHz was previously hardcoded.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Several patches are now merged upstream and no longer needed
in lbmk, such as the HP EliteBook 8560w patch, and related
patches. Some patches were changed, for example the Dell Latitude
ivb/snb laptops are now variants in coreboot, instead of being
individual ports; now they re-use the same base code.
This this, the corresponding files under config/submodules
have changed, for things like 3rdparty submodules e.g. libgfxinit,
and tarballs e.g. crossgcc.
This is long overdue, and will enable more boards to be added.
This newer revision will be used in the next release, and some
follow-up patches will merge these trees into default:
* coreboot/haswell
* coreboot/dell
Signed-off-by: Leah Rowe <leah@libreboot.org>
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set a default one in mkhelper.cfg
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Never, ever build images where GRUB is the primary payload.
These options have been removed from target.cfg handling:
* seabios_withgrub
* grub_withseabios
The "payload_grub" variable now does the same thing as
the old "seabios_withgrub" variable, if set.
The "grubonly" configuration is retained, and enabled by
default when SeaGRUB is enabled (non-grubonly also available).
Due to lbmk issue #216, it is no longer Libreboot policy to
make GRUB the primary payload on any board. GRUB's sheer size
and complexity, plus the large number of memory corruption issues
similar to it that *have* been fixed over the years, tells me
that GRUB is a liability when it is the primary payload.
SeaBIOS is a much safer payload to run as primary, on x86, due
to its smaller size and much more conservative development; it
is simply far less likely to break.
If GRUB breaks in the future, the user's machine is not
bricked. This is because SeaBIOS is the default payload.
Since I no longer wish to ever provide GRUB as a primary
payload, supporting it in lbmk adds needless bloat that
will later probably break anyway due to lack of testing,
so let's just assume SeaGRUB in all cases where the user
wants to use a GRUB payload.
You can mitigate potential security issues with SeaBIOS
by disabling option ROM execution, which can be done at
runtime by inserting integers into CBFS. The SeaBIOS
documentation says how to do this.
Libreboot's GRUB hardening guide still says how to add
a bootorder file in CBFS, making SeaBIOS only load GRUB
from CBFS, and nothing else. This, combined with the
disablement of option ROM execution (if using Intel
graphics), pretty much provides the same security benefits
as GRUB-as-primary, for example when setting a GRUB password
and GPG checks, with encrypted /boot as in the hardening guide.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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replace it with logic that simply uses "." to load
files directly. for this, "vcfg" is added as a variable
in coreboot target.cfg files, referring to a directory
in config/vendor/ containing a file named pkg.cfg, and
this file then contains the same variables as the
erstwhile config/vendor/sources
config/git files are now directories, also containing
pkg.cfg files each with the same variables as before,
such as repository link and commit hash
this change results in a noticeable reduction in code
complexity within the build system.
unified reading of config files: new function setcfg()
added to lib.sh
setcfg checks if a config exists. if a 2nd argument is
passed, it is used as a return value for eval, otherwise
a string calling err is passed. setcfg output is passed
through eval, to set strings based on config; eval must
be used, so that the variables are set within the same
scope, otherwise they'd be set within setcfg which could
lead to some whacky results.
there's still a bit more more to do, but this single change
results in a substantial reduction in code complexity.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this is bloat, because it's something the user can already
do at runtime configuration anyway.
set it to a reasonable default of 8 seconds instead of 5,
and don't honour the timeout variable in target.cfg.
this will be documented in the next release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the background is only a few kb. the whole rationale
before was to limit the space used in memdisk, but this
decision was made when the background was much bigger;
it has since been optimised greatly, and the grub modules
were heavily reduce, so it should be safe.
grub's memdisk breaks when you add too much data to it.
as part of simplifying the rest of lbmk, this change removes
some more bloat from the rest of lbmk. handling this in the
memdisk is much simpler than handling it with cbfstool.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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fixes DP++ and adds a DP that wasn't even there before,
on all currently supported variants of these machines
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the patch fixes IGD on certain xeon processors
Signed-off-by: Leah Rowe <leah@libreboot.org>
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remove nvme support from the "default" grub tree
now there are three trees:
* default: no xhci or nvme patches
* nvme: contains nvme support
* xhci: contains xhci and nvme support
this is in case a bug like lbmk issue #216 ever occurs
again, as referenced before during lbmk audit 5
there is no indication that the nvme patch causes any
issues, but after previous experience i want to be sure
Signed-off-by: Leah Rowe <leah@libreboot.org>
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certain code checks for build.list, to skip it, for
example in items()
we already use config/data/grub to store grub config data
that applied to all trees
create these directories too:
config/data/coreboot
config/data/u-boot
config/data/seabios
move the respective build.list files in here, and also
to config/data/grub
now multi-tree projects contain, per directory, just the
target.cfg file and the patches directory. this is much
cleaner, because some of the logic can be simplified more
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Re-add xHCI only on haswell and broadwell machines, where
they are needed. Otherwise, keep the same GRUB code.
The xHCI patches were removed because they caused issues
on Sandybridge-based Dell Latitude laptops. See:
https://codeberg.org/libreboot/lbmk/issues/216
The issue was not reported elsewhere, including on the
Haswell/Broadwell hardware where they are needed, but the
build system could only build one version of GRUB.
The older machines do not need xHCI patches, because they
either do not have xHCI patches, or work (in GRUB) because
they're in EHCI mode when running the payload.
So, the problem is that we need the xHCI patches for GRUB
on Haswell/Broadwell hardware, but the patches break
Sandybridge hardware, and we only had the one build of GRUB.
To mitigate this problem, the build system now supports
building multiple revisions of GRUB, with different patches,
and each given coreboot target can say which GRUB tree to use
by setting this in target.cfg:
grubtree="xhci"
In the above example, the "xhci" tree would be used. Some
generic GRUB config has been moved to config/data/grub/
and config/grub/ now looks like config/coreboot/ - also,
the grub.cfg file (named "payload" in each tree) is copied
to the GRUB source tree as ".config", then added to GRUB's
memdisk in the same way, as grub.cfg.
Several other design changes had to be made because of this:
* grub.cfg in memdisk no longer automatically jumps to one
in CBFS, but now shows a menuentry for it if available
* Certain commands in script/trees are disabled for GRUB,
such as *config make commands.
* gnulib is now defined in config/submodule/grub/, instead
of config/git/grub - and this mitigates an existing bug
where downloading gnulib first would make grub no longer
possible to download in lbmk.
The coreboot option CONFIG_FINALIZE_USB_ROUTE_XHCI has been
re-enabled on: Dell OptiPlex 9020 MT, Dell OptiPlex 9020 SFF,
Lenovo ThinkPad T440p and Lenovo ThinkPad W541 - now USB should
work again in GRUB.
The GRUB payload has been re-enabled on HP EliteBook 820 G2.
This change will enable per-board GRUB optimisation in the
future. For example, we hardcode what partitions and LVMs
GRUB scans because * is slow on ICH7-based machines, due
to GRUB's design. On other machines, * is reasonably fast,
for automatically enumerating the list of devices for boot.
Use of * (and other wildcards) could enable our GRUB payload
to automatically boot more distros, with minimal fuss. This
can be done at a later date, in subsequent revisions.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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these laptops do not officially have nvme slots on them,
but there is an ngff wifi slot which is PCI-E x1, and you
can use a special adapter on it to run nvme ssds.
total throughput is retarded by the x1 PCI-E configuration,
but it's still faster than a sata ssd (nvmes are x4 PCI-E).
support it in grub_scan_disk on the off chance that some
users may make use of this. it should work just fine.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Command: ./vendor download kcma-d8-rdimm_16mb
Output was:
include/lib.sh: line 115: kcma-d8-rdimm=config/vendor: No such file or directory
That will have to be audited later on, but the recent
more stringent error checking in vendor.sh triggered
this previously untriggered error message. The error
was in fact already occuring before, silently.
Anyway, mitigate by renaming all coreboot targets so
that they do not contain hyphens in the name. This
should avoid triggering errors in that eval command,
on line 115 in lib.sh
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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A subsequest revision will set them again as needed,
per coreboot target.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Fixes this bug:
https://codeberg.org/libreboot/lbmk/issues/216
Well, fix is the wrong word. We want xHCI ideally.
Mate is working on it as I write this. I've also:
* Disabled CONFIG_FINALIZE_USB_ROUTE_XHCI on Haswell
boards (coreboot)
* Disabled the GRUB payload on HP 820 G2 for now
We will need to re-add the xHCI patches once fixed.
If Mate/we can't fix it, I'll contact Patrick
Rudolph who originally wrote the xHCI patches.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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See:
https://codeberg.org/libreboot/lbmk/issues/216
Almost all users will be OK running GRUB, but a
minority of users have experienced a fatal error
pertaining to grub_free() or grub_realloc() (as
my investigation of GRUB sources reveal when grepping
the error reported in the link above).
We don't yet know what the bug is, only that the
error occurs, leading to an effective brick if the
user has GRUB as their primary payload.
So far, it has only been reported on some Intel
SandyBridge-based Dell Latitudes in Libreboot, but
we can't be too sure.
The user reported that memtest86+ passes just fine,
and SeaBIOS works; BIOS GRUB also works, which means
that the bug is likely only in an area of GRUB that
runs specifically on the coreboot payload, so it's
probably a driver in GRUB when running on the metal
rather than BIOS/UEFI.
The build system supports a configuration whereby
SeaBIOS is the primary payload, but GRUB is available
in the SeaBIOS boot select menu, and an additional
configuration is available where GRUB is what SeaBIOS
executes first (while still providing boot select);
both of these are now the *only* configurations
available, on all x86 targets except QEMU.
The QEMU target is fine because if the bug occurs there,
you can just close QEMU and try a different image.
Even after this bug is later identified and fixed,
the GRUB source code is vastly over-engineered and there
are likely many more such bugs. SeaBIOS is a reliable
payload; the code is small and robust. Remember always:
Code
equals
bugs
Therefore, this configuration change is likely going
to be permanent. This will apply in the next release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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The ones I submitted before seem to have been outdated ones
that don't actually build properly.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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The E6400 uses a 100 MHz reference clock on DPLL_REF_SSCLK, whereas
libgfxinit assumed that the reference was always 96 MHz. The frequency
difference caused by a 100 MHz reference with PLL config values
calculated assuming a 96 MHz reference were not significant enough to
cause noticable issues with the more common 1280 x 800 panels, but are
enough to matter for the 1440 x 900 panels which use a higher pixel
clock. This only affected the pre-OS graphics environment provided by
libgfxinit, as Linux drivers would determine the reference clock
frequency based on data in the VBT.
Fix this by making the reference clock frequency in libgfxinit
configurable for GM45 based on a new coreboot Kconfig, which is set to
100 MHz for the E6400.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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broadwell mrc is retained, because it's needed on 820 g2
it's no longer needed on haswell, because nri is stable. nri
is short for "native ram initialisation", and libreboot provides
this for: thinkpad t440p, thinkpad w541, dell optiplex 9020 mt,
and dell optiplex 9020 sff
remove, in line with libreboot's binary blob reduction policy
previous revisions, prior to the recent release, stated that
it would be retained for compatibility, but it's really not
right to retain it, because doing so violates libreboot's policy
the recent release excluded mrc-based rom images for haswell
machines, providing only those rom images that use the libre
raminit, while retaining support for mrc in the build system, so
that users could still run the lbmk inject script on older release
roms that use mrc
again: libreboot's binary blob reduction policy is very clear:
https://libreboot.org/news/policy.html
it is a policy that can be summarised, thus:
if a blob can be avoided, it must be avoided.
therefore, we will avoid the Haswell MRC raminit blob
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the release variable is all we need, turning a target on
or off for a given release.
the status checks were prone to bugs, and unnecessary; it
also broke certain benchmark scripts.
it's better to keep the lbmk logic simpler. board status
will be moved to the documentation instead.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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working s3 means i'm happy to mark it as being stable.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Angel Pons told me I should do it. See comments here:
https://review.coreboot.org/c/coreboot/+/81016
I see no harm in complying with the request. I'll merge
this into the main patch at a later date and try to
get this upstreamed.
Just a reminder: on Optiplex 9020 variants, Xorg locks up
under Linux when tested with a graphics card; disabling
IOMMU works around the issue. Intel graphics work just fine
with IOMMU turned on. Libreboot disables IOMMU by default,
on the 9020, so that users can install graphics cards easily.
I'm pretty sure this is the correct way to do it. The machine
still seems to boot, in this configuration.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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NRI is libre raminit
MRC is binary blob raminit
the libre raminit is stable enough now that it's default
the MRC-based targets will be removed in a future release
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i initially decided to say unstable, but the default
configuration is reliable; the only caveat is that if
you enable IOMMU, you must only be using intel graphics.
this is already documented in warn.txt files, and on
the website, so it's more than ok to call this stable.
i use one of these myself as my daily driver and it's
rock solid. i haven't had any problems with it. i also
sell these to people with libreboot. no problems.
mark it as stable, ready for a full release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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nitrocaster boards are hard to find nowadays and i'm not
comfortable supporting the knockoff chinese gear; quality
varies greatly, and i can't know how reliable they are.
nitrocaster has been out of business so it's just not
viable to support this mod anymore. in fact, keeping the
eDP-based targets is a liability to libreboot.
regular x220/x230 (non-eDP-modded) are retained. the eDP
modkit from nitrocaster let you use eDP screens instead
of lvds, on thinkpad x220 and x230, letting you use
higher resolution screens.
older lbmk revs can still be used, if you happen to come
across one of these boards. i only recommend using the
official nitrocaster board, if youcan find one unused.
ymmv with the chinese gear. better just use an unmodded
x230 or get a different machine.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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angel pons said how to fix it. more info in the patch.
works perfectly. i still see that scancode in dmesg and i guess
i have to assign it to some function that sets software rfkill
hw rfkill is no longer set. it's unblocked, and i can use wifi.
just in time for the libreboot release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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was reported broken on canoeboot 0.1, which uses 2021
coreboot. we use much newer coreboot now in libreboot, but
still, better be cautious. set to release=n.
i'll set status and remove release=n if it works on testing
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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livio/lbmk:qemux86_fix into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/205
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it should be marked unstable, though these machines
are basically reliable; they have certain missing features
and quirky behaviour so it's important not to over-sell it
mark it as unstable, on all of the dell latitudes
Signed-off-by: Leah Rowe <leah@libreboot.org>
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