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<title>lbmk.git/config/grub/patches/0005-xhci, branch quackboot</title>
<subtitle>libreboot build system (LibreBoot MaKe)
</subtitle>
<link rel='alternate' type='text/html' href='https://browse.libreboot.org/lbmk.git/'/>
<entry>
<title>GRUB: remove XHCI patches for now (will re-add)</title>
<updated>2024-05-27T16:11:33+00:00</updated>
<author>
<name>Leah Rowe</name>
<email>leah@libreboot.org</email>
</author>
<published>2024-05-27T14:36:27+00:00</published>
<link rel='alternate' type='text/html' href='https://browse.libreboot.org/lbmk.git/commit/?id=c94cecd83751d2df26314a90852f7df306256fb0'/>
<id>c94cecd83751d2df26314a90852f7df306256fb0</id>
<content type='text'>
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 &lt;leah@libreboot.org&gt;
</content>
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<pre>
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 &lt;leah@libreboot.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>grub xhci support</title>
<updated>2024-04-05T22:44:06+00:00</updated>
<author>
<name>Leah Rowe</name>
<email>leah@libreboot.org</email>
</author>
<published>2024-04-05T22:44:06+00:00</published>
<link rel='alternate' type='text/html' href='https://browse.libreboot.org/lbmk.git/commit/?id=f7283fa10dad76f20ec4ed2841dbbbb00ee9c865'/>
<id>f7283fa10dad76f20ec4ed2841dbbbb00ee9c865</id>
<content type='text'>
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 &lt;leah@libreboot.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
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 &lt;leah@libreboot.org&gt;
</pre>
</div>
</content>
</entry>
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