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Porting coreboot to HP Elitebooks

Porting coreboot to HP Elitebooks.

iru-dogIru Dog
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  • iru-dogIru Dog

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This project was created on 04/05/2017 and last updated 7 years ago.

Description

I already have some progress on porting coreboot on HP Elitebooks (https://review.coreboot.org/#/q/topic:coreboot_on_hp). However, there are still a lot of things to do.

One of the most important and difficult things is to support the EC and SuperIO chip KBC1126. The mainline coreboot already has the KBC1100 SuperIO support code, which can bring up the keyboard. I've also finished the fan control support.

I'm trying to continue with this port, but I don't have so much time now. I create a project here, and I hope there are some people interested in it can help. We may do some reverse engineering on the UEFI firmware, and even the 8051 EC firmware. Happy hacking!

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  • The HP Elitebook patches are merged to upstream

    Iru Dog • 08/20/2017 at 02:26 • 0 comments

    The HP Elitebook patches are finally merged to upstream yesterday.

    Now I'm going to upload the board status and write documents to the wiki.

    There are still some tasks to do. The digitizer in Elitebook 2760p doesn't work. GRUB payload will freeze. So I'm going to dig in the problems when I have time.

  • ACPI is working now

    Iru Dog • 07/03/2017 at 14:28 • 0 comments

    At last, I found a bit in EC RAM that is used to enable EC ACPI, so ACPI is working now. I copied the ASL code from vendor DSDT, and now battery, AC, and lid status change can be detected by OS now.

    https://review.coreboot.org/#/c/19072/

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tazer4 wrote 04/29/2018 at 09:00 • point

Any word if you guys will be supporting HP Elitebook 8440p?  It's a very popular model from first gen intel core series cpus.

  Are you sure? yes | no

Yann Guidon / YGDES wrote 04/05/2017 at 20:18 • point

What models ?

  Are you sure? yes | no

Iru Dog wrote 08/20/2017 at 02:28 • point

Now coreboot ports for HP Elitebook 2760p, 8460p, 2570p and 8470p are merged to upstream now. Sorry for the late reply.

  Are you sure? yes | no

Yann Guidon / YGDES wrote 08/20/2017 at 02:33 • point

Yay !
Almost there : i'm typing right now on a 2560p and I have some 2540p...

Good luck !

  Are you sure? yes | no

Iru Dog wrote 08/20/2017 at 02:56 • point

2560p should be easy to port using autoport, and modify the generated code. You can look at other HP Elitebook ports. For 2540p, you can port it based on the supported Nahalem laptops, and is a little harder.
Well, I don't know how to reply to the bottom message. I can't find the reply button in that message...

  Are you sure? yes | no

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