Re: [microblaze-uclinux] Re: [RFC PATCH 00/12] Merge common OpenFirmware device tree code

[John Williams <john.williams@xxxxxxxxxxxxx>]

Hi Rob,

On Wed, Oct 7, 2009 at 5:09 PM, Rob Landley <rob@xxxxxxxxxxx> wrote:
> On Tuesday 06 October 2009 23:49:04 Grant Likely wrote:
>>
>> However, I've completely devoted to this work for at least the next
>> two months, so there are plenty more patches to follow.  Once I've
>> got all the common code merged between Microblaze, PowerPC and Sparc
>> I'll be fix the endian problems and making it easily usable by other
>> architectures like ARM and MIPS.  Lots of work to be done.
>
> Is there any news on getting QEMU to parse a device tree to figure out what
> hardware to emulate?  (I.E. using the device tree code to let qemu provide
> configurable board emulations instead of hardwiring them in C code?)

We've made MicroBlaze QEMU platform configuration fully DTS-driven -
there are no "static" (hard coded) MicroBlaze targets.

Apparently the QEMU mainline moves in mysterious ways, so not sure how
progress is going for more generic QEMU-wide handling.

> Also, what would be involved in getting x86 to (at least have the option to)
> use the device tree stuff?

No idea sorry.

John
-- 
John Williams, PhD, B.Eng, B.IT
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com  p: +61-7-30090663  f: +61-7-30090663

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