[Arm-netbook] DTB for eoma-a20 pc?

[Luke Kenneth Casson Leighton]

On Fri, Jun 27, 2014 at 3:47 PM, Wookey <wookey at wookware.org> wrote:
> +++ Luke Kenneth Casson Leighton [2014-06-27 15:03 +0100]:
>> On Fri, Jun 27, 2014 at 1:50 PM, Stefan Monnier
>> <monnier at iro.umontreal.ca> wrote:
>> >>  it actually needs dynamic creation based on:
>> >>  * a "base" DTB
>> >>  * kernel-time detection of the I2C EEPROM
>> >>  * reading of a board-specific DTB file from the I2C EEPROM
>> >>  * merging of the "base" DTB with the board-specific DTB.
>> >
>> > The two middle points could be done by u-boot, since u-boot already
>> > adjusts the kernel's dtb in many cases (e.g. to provide the amount of
>> > RAM available).
>>
>>  ah!  good point.  and... wait... hang on... *thinks*.... there are
>> circumstances where suspend, unplug, resume...
>>
>>  ... no, it really does have to be handled by the kernel - hopefully
>> u-boot would not need to do much (if anything).
>>
>>  ok, first suggestion: wookie,
>
> wookey - you should know by now :-)

 doh!

>> would you be happy to do  the "base"
>> DTB, basically set up a DTB which is in effect booting the CPU Card
>> from USB-OTG, with UART, USB, Ethernet and RGB/TTL LCD enabled?
>> ignore GPIO (they can change).
>
> Yes, I'll try to make a DTB that boots my card in my holder. Once
> that's working we can look at what a more complete solution looks like.

 awesome.

> How many DTB-different holders are actually available currently?

 pffh.  one, with 5 needing funding to turn into real products within
6 weeks, and another... 20 planned.

> And what should we call the DTB file(s)?

 argh think eoma68-a20-base.  that makes it clear that it's not the "full" DTB.