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see patch for rationale. this should prevent instability caused
when the nvme randomly replugs under linux. sometimes e.g. nvme0n1
becomes nvme0n2 while the system is running.
in my case, that caused my raid1 to become unsynced every few days.
this issue was fixed on t480 by disabling pcie hotplug for its nvme
device, so the same fix has been applied for dell optiplex 3050 micro.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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nvme worked but not sata. with this, t480 users with sata
ssds should be able to boot linux nicely
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Patchset 20 from:
https://review.coreboot.org/c/coreboot/+/83274/18..20
Updated to that. A bunch of changes I made locally have been
copied here, thus removed from lbmk.
The previous setup in lbmk was to have only the DIMM slot work,
on the ThinkPad T480S, without setting up SPD for the onboard RAM>
Mate Kukri reverse engineered the scheme by which the SPDs are
chosen at boot, based on the wiring of the board. This should
just about match the way Lenovo did it in their firmware.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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This fixes an error where nvme disappears and gets renamed
on s3 resume. Mate Kukri told me to test that and it worked.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Added t480s delta to deguard, for MFS config.
Updated coreboot/next to latest t480 patch set,
which includes t480s. This porting was done by
Mate Kukri.
also includes experimental t480s support
Also added a data.vbt file (not in the gerrit patch)
for the T480s.
I had to turn on 8254 legacy timer on t480s, otherwise
SeaBIOS would hang. Same issue I saw on OptiPlex 3050 Micro.
Minor issue:
On S3 resume, nvme0n1 for example got renamed to nvme0n2.
This caused a crash if running Linux from the nvme. I confirmed
this via live USB distro. So this port will need some tweaking
before it can be considered stable.
Also uses libgfxinit, which Mate recently fixed. I'm
going to enable libgfxinit on regular T480 next.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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This uses the excellent deguard utility, written by
the excellent Mate Kukri.
A few bugs but it mostly works. Documentation to come
shortly, in lbwww.git.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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coreboot/dell7 is now part of coreboot/next, which in turn
has been updated, to accomodate 3050 micro patchset 18:
https://review.coreboot.org/c/coreboot/+/82053/18
It incorporates my Verb/VBT patches, which are therefore
no longer included separately.
Mate has fixed the USB config; see diff for details.
The configuration of USB ports was wrong, before.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Thanks go to Nicholas Chin and Lorenzo Aloe for working on
and testing this code. Based on the 780 MT port.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Thanks go to Lorenzo Aloe and Nicholas Chin for working on
and testing this code.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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