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broadwell mrc has better peg handling and can support 16gb
modules on broadwell machines - the blob can be used on haswell
machines too, instead of haswell mrc, and it might support 16gb
modules on these machines (not yet tested, but using broadwell
mrc does at least boot as reliably as haswell mrc anyway)
one little quirk with haswell mrc is that it actually handles
vga decode, disabling the igpu entirely, when a dgpu is used.
the broadwell mrc enables both GPUs and does not handle vga
decoding, so we must handle this the usual way; my patch for
this was merged upstream and i'm also adding it to libreboot,
which currently uses an older coreboot revision. this is needed
for dgpu to work. see patch:
0040-nb-haswell-Disable-iGPU-when-dGPU-is-used.patch
broadwell mrc may also make dealing with nvidia optimus setups
more reliable, on laptops that have nvidia GPUs, but this patch
does not add bmrc configs for t440p/w541
NOTE: on t440p/w541 laptops with nvidia graphics, the video output
is wired to intel but rendering can be offloaded to nvidia. in this
setup, we want vga decode to be done on intel, so i've set these
configs to enable CONFIG_ONBOARD_VGA_IS_PRIMARY (set it to y)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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see:
https://github.com/9elements/grub/commits/xhci-module-upstreaming-squash_v4/
grub only supports xhci on bios/uefi targets, but not coreboot.
some newer machines don't have ps/2 controllers, and boot in a
way where ehci isn't available at startup; the controller can't
be used by ehci code, there must be xhci support.
the code is from Patrick Rudolph working on behalf of 9elements.
the code was also sent here for review:
https://lists.gnu.org/archive/html/grub-devel/2020-12/msg00111.html
however, upstream never merged these patches. libreboot will have
to maintain these from now on. the patches have been rebased for
use with grub 2.12.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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3rd sata slot (of 3) broken on 9020 sff, and the 3rd and 4th (of 4)
slots are broken on 9020 mt
this patch fixes them on both, so that all ports work properly
Signed-off-by: Leah Rowe <leah@libreboot.org>
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lbmk otherwise uses nproc to set the number of build threads,
in these places:
* generic make commands in script/update/trees
* crossgcc make command in script/update/trees
the -T0 option is also used in script/update/release, when running
tar.
with this change, you can do:
export LBMK_THREADS=x
where x is the number of threads. when you then run
lbmk, your chosen number of threads will override
the default. this may be useful on a host that does
not have a lot of memory.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in shell scripts, a function named the same as a program included in
the $PATH will override that program. for example, you could make a
function called ls() and this would override the standand "ls".
in lbmk, a part of it was first trying to run the "fail" command,
deferring to "err", because some scripts call fail() which does
some minor cleanup before calling err.
in most cases, fail() is not defined, and it's possible that the user
could have a program called "fail" in their $PATH, the behaviour of
which we could not determine, and it could have disastrous effects.
lbmk error handling has been re-engineered in such a way that the
err function is defined in a variable, which defaults to err_ which
calls err_, so defined under include/err.sh.
in functions that require cleanup prior to error handling, a fail()
function is still defined, and err is overridden, thus:
err="fail"
this change has made xx_() obsolete, so now only x_ is used. the x_
function is a wrapper that can be used to run a command and exit with
non-zero status (from lbmk) if the command fails. the xx_ command
did the same thing, but called fail() which would have called err();
now everything is $err
example:
rm -f "$filename" || err "could not delete file"
this would now be:
rm -f "$filename" || $err "could not delete file"
overriding of err= must be done *after* including err.sh. for
example:
err="fail"
. "include/err.sh"
^ this is wrong. instead, one must do:
. "include/err.sh"
err="fail"
this is because err is set as a global variable under err.sh
the new error handling is much cleaner, and safer. it also reduces
the chance of mistakes such as: calling err when you meant to
call fail. this is because the standard way is now to call $err,
so you set err="fail" at the top of the script and all is well.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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nic3-14159/lbmk:latitude-ports into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/191
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nic3-14159/lbmk:autoport-fork into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/195
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This is a copy of coreboot's autoport utility, with a patch applied to
support Haswell/Lynx Point platforms. That patch is currently in review
on coreboot's Gerrit.
https://review.coreboot.org/c/coreboot/+/30890
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/192
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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Needed to make graphics cards work. Turn it on if you're using
only the Intel GPU.
With IOMMU *enabled*, graphics cards do not work reliably at all.
The cause still needs to be investigated, but the symptoms are
graphical corruption on the screen, and Xorg usually crashes.
In some cases (on some cards), TTYs can still be used; the payload
can still be used reliably, on a graphics card, but Xorg fails to
work properly.
This could be a bug in Linux drivers, instead of anything that
coreboot does (not yet tested in factory BIOS).
Leaving it off by default will ensure reliable operation on all
setups, whether an iGPU or dGPU is used.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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It is now possible to disable the IOMMU on Haswell
boards, by doing this on your ROM image:
./nvramtool -C libreboot.rom -w iommu=Disable
To enable it again, do this:
./nvramtool -C libreboot.rom -w iommu=Enable
If not specified, the default behaviour is *on*.
A follow-up patch will turn IOMMU *off* by default,
on Dell OptiPlex 9020 SFF/MT, by setting it as such
in cmos.default. This is to make graphics cards work
properly to work around a bug when it's turned on.
Leaving the IOMMU enabled is recommended, if it works.
It works in most cases, including on 9020 SFF/MT when
using the Intel GPU without a graphics card inserted.
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 current entry is fine, but it would then not support
other configs of different flash sizes, unless they are
explicitly defined.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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makes graphics cards work
Signed-off-by: Leah Rowe <leah@libreboot.org>
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nic3-14159/lbmk:add-dell-ivb-ifd-nogbe into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/188
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This is required by the Latitude E5530, which uses a Broadcom NIC
instead of the Intel ones. The original port was missing this file.
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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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Riku_V/lbmk:hp8560w into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/187
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Iru Cai's port from Gerrit:
https://review.coreboot.org/c/coreboot/+/39398
Now with the proper MXM structure, which removes the 30 second POST
delay. Tested with i7-2670QM, Quadro 2000M and 32GB RAM.
Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
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this merges the fix from:
https://codeberg.org/libreboot/pico-serprog/pulls/1
however, PRs are not to be sent there. riku merged it in
his repository, and i pulled it in the mirror hosted
on libreboot codeberg
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
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nic3-14159/lbmk:latitude-ports into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/184
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Tested by Minimum_Baseball_629 on Reddit
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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The OptiPlex 9020/7020 port was merged first and was numbered 31.
Increment the numbering of the Latitude patches to reflect this.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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i enabled it but it's buggy according to comments on gerrit.
disable for now. dgpu didn't work anyway, even with it turned
off, when i had this tested.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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keep dell9020mt_12mb
dell9020mtvga_12mb doesn't actually work (was tried for
running a graphics card on its own, with no igpu init)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Riku_V/lbmk:master into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/185
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should fix https://codeberg.org/libreboot/lbmk/issues/182
Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
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this was done automatically by running:
./update trees -u coreboot
this has to be done when adding patches for now board ports,
because of the way lbmk and also coreboot's build systems work.
the configs just have to be re-generated to include a line
that says the entry for the newly added boards isn't set. look
at the diff of this commit as an example.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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nic3-14159/lbmk:latitude-ports into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/183
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./update release -m u-boot
if someone just wants to make u-boot, they can
use this and it tars up all the trees.
Signed-off-by: Leah Rowe <info@minifree.org>
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Tested by Martin Dawson.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Tested by Martin Dawson.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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Tested by Martin Dawson.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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on a dgpu setup, igpu was still in use, when tested
by a user. do separate roms that don't enable anything
vga in coreboot, relying instead only on seabios to
execute a vga rom. these roms will only work if you
have a graphics card.
Signed-off-by: Leah Rowe <info@minifree.org>
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Specifically the MT versions. The SFF versions will
be added separately, in a later commit.
See: https://review.coreboot.org/c/coreboot/+/55232
This patch has been added, from patchset 31. It still
has some unresolved issues, on that patchset, but
it should boot. See commit message there.
Of note: I've enabled PCI REBAR, though it's unknown
whether it will work (some comments there about it though,
on that gerrit page).
I've also set CBFS size to 8MB, not the full size of
the BIOS region; this is required on the T440p which
uses the same mrc.bin file, to get S3 working.
TSEG stage cache disabled, as on other Haswell boards.
The setup: SeaBIOS-only as first payload, but with GRUB
enabled as secondary payload. The _grubonly setup has
been enabled here. This way, the config will work on
iGPU and dGPU setups without issue.
Signed-off-by: Leah Rowe <info@minifree.org>
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coreboot gerrit patch 55232, patchset 31
the actual board will be enabled in a follow-up patch.
merging the patch on its own first is better practise,
to run ./update trees -u coreboot
this way, there won't be a revision that breaks builds,
due to the idiosyncratic nature of coreboot configuration.
Signed-off-by: Leah Rowe <info@minifree.org>
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Riku introduced three new patches:
* Add support for multiple chip selects. This allows you to
control multiple chips from the same clip, on systems with
dual flash setups, at least theoretically.
* Enable pull-up on unused chip selects - pull them high so
that chips you connect that to are deactivated while flashing
the target chip. This could be used on thinkpad W541 for
instance, where miso/mosi have 0ohm between them via the two
flash ICs. You could pull the other chip select high.
* Documentation for the above, in the pico-serprog readme.
This goes in tandem with a patch from Riku, present in the
recently integrated flashprog project, namely:
commit ddb6d926783d4f9cbee04c7392718ed8f89daa0e
Author: Riku Viitanen <riku.viitanen@protonmail.com>
Date: Mon Jan 15 19:15:49 2024 +0200
serprog: Add support for multiple SPI chip selects
This functionality will therefore be present in the next
release of Libreboot.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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from Riku_V/lbmk:master into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/180
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we use flashprog now!
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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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Nico Huber is the rightful project lead. I do not support
the coup that occured within the flashrom project. Nico
has always been of great service to the Libreboot project,
by virtue of his work on both coreboot and flashrom.
Nico Huber was unfairly removed from the flashrom project
infrastructure, due to unfounded accusations hurled at him
by flashrom's new project lead. The accusations are unfounded
because no evidence was given.
Use Nico Huber's fork, named flashprog. We will work with
flashprog from now on.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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