Antwort: Re: [RFC PATCH v2] arch: x86: apl: Read FSP-M configuration from device-tree

Bernhard Messerklinger bernhard.messerklinger at br-automation.com
Mon Mar 30 09:57:31 CEST 2020


Hi Simon,

>>> With this patch I moved the fsp-m configuration to the device-tree
>>> based on the baytrail boards.
>>> I have tried to build it so that only entries that differ from the
>>> default configuration need to be added. As a minimum the ddr
>>> configuration must be present.
>>> If you like this way of configuration, I am also willing to do the
>>> same
>>> for the fsp-s.
>>> Can you please provide me some feedback?
>>>
>>> Changes in v2:
>>> Added commit notes
>>>
>>>  arch/x86/cpu/apollolake/fsp_m.c               | 337
>>+++++++++++-------
>>>  arch/x86/dts/chromebook_coral.dts             |  35 ++
>>>  .../asm/arch-apollolake/fsp/fsp_m_upd.h       | 162 +++++++++
>>>  3 files changed, 414 insertions(+), 120 deletions(-)
>>
>>Reviewed-by: Simon Glass <sjg at chromium.org>
>>Tested on chromebook_coral:
>>Tested-by: Simon Glass <sjg at chromium.org>
>>
>>Do you think we should add a binding file for this though?
>
>Yes, I will create v3 with a binding file in  
>doc/device-tree-bindings/fsp/fsp2/apollolake/fsp-m.txt.

Sorry after some more detailed research I don't know if my first
understanding of binding file was right.

With binding file do you mean a header file for defines in
/include/dt-bindings or a documentation in doc/device-tree-bindings?

>>Is that ok for you?
>
>Do you also agree to change the fsp-s configuration in the same way?

Regards, 
Bernhard


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