[U-Boot] Is there any full story about how to take advantage FDT function ?

[Gao Ya'nan]

Hi, Jerry.

2009/9/6 Jerry Van Baren <gvb.uboot at gmail.com>:
> Gao Ya'nan wrote:
>>
>> And how to configure the kernel to minimize the code modification ?
>>
>> I am porting U-Boot and Linux to a new board with a MPC875 processor
>> and two serial chips,  and U-Boot runs well now. I hear that the FDT
>> function can tell the kernel devices information more flexibly and
>> reduce the code modification indirectly.
>>
>> But I didn't find enough materials to make my head clear, so any tip
>> is greatly appreciated.
>>
>> Thanks.
>
> Hi Gao,
>
> I'm not up on 8xx, but it may not have been pulled forward into the
> "powerpc" architecture (still "ppc").  The "powerpc" architecture switch is
> where linux/u-boot started using the FDT.
>

I use U-Boot-V2009.8 and Linux-DENX-v2.6.30.3, and I can't find
arch/ppc any more. So, I think FDT will work well in MPC8xx platform.

But I don't know how to use it, perhaps I shoud try the standard
MPC885 configuration and dtb file.

> Best regards,
> gvb
>

Thanks.

Best regards

Gao Ya'nan