[coreboot] bluetooth on Thinkpad X60s

[Sven Schnelle]

Hi,

Motiejus Jakštys <desired.mta at gmail.com> writes:

> On Tue, May 1, 2012 at 8:27 PM, Patrick Georgi <patrick at georgi-clan.de> wrote:
>> Am Di 01 Mai 2012 21:24:00 CEST schrieb Motiejus Jakštys:
>>> 2) The only way to disable bluetooth device now is modifying coreboot
>>> source code. There should be a better way. Compile-time configuration
>>> (via make menuconfig) would be feasible and doable for me. However,
>>> any better suggestions? It would be *perfect*, if it was possible to
>>> toggle it at runtime. How could I figure out if it is possible?
>>>
>>> Pointers appreciated.
>> The get_option function uses CMOS nvram, but that has to be compiled in
>> (which isn't the default in the tree yet).
>> The nvram can be configured with our nvramtool (see util/nvramtool).
>> When booting a coreboot equipped system, nvramtool automatically
>> determines the available fields and their legal values from a table
>> kept in RAM by coreboot.
>
> Thanks for the help and clarifications.
>
> With your patch bluetooth device starts regardless NVRAM value.
> Without your patch it does not start regardless NVRAM value.
>
> However, with this option set:
> CONFIG_USE_OPTION_TABLE
> bluetooth respects the value in NVRAM.
>
> I pushed a commit which enables this option if the architecture is
> Lenovo X60. There are more advantages to enable this option for this
> architecture, though (noted in commit message).
>
> Besides, why isn't it default yet? What are the blockers to enable
> this option by default (in perfect world, it should be enabled?)?

what does nvramtool -a say? My X60s has no bluetooth, so i can't test
on that particular hardware. However, the T60 i own (which is similar in
many areas) works correctly.

Sven