[U-Boot] [PATCH 8/9] mpc8641: Change 32-bit memory map

Becky Bruce becky.bruce at freescale.com
Thu Nov 6 23:39:47 CET 2008


On Nov 6, 2008, at 4:30 PM, Jon Loeliger wrote:

> On Thu, 2008-11-06 at 16:16 -0600, Scott Wood wrote:
>> Becky Bruce wrote:
>>> We *do* need a comment in the release notes for this revision of u- 
>>> boot
>>> that the map for 8641 has changed so it doesn't catch anyone by  
>>> surprise.
>>
>> How about a runtime check in the board fdt code to print a warning  
>> if it
>> finds an old device tree?  Unfortunately, using new dts with old u- 
>> boot
>> isn't as easy to detect.
>>
>> -Scott
>
>
> For the record, and admittedly not quite an answer to
> your issue at all, though I feel it would mitigate the
> pain dramatically, I have a version of the DTS file that
> uses my new expression language to completely abstract
> out the 32/36-bit differences and compile a DTB for either
> with the single flip of a -DUSE_36_BIT handed to the dtc
> command line.
>
> Even if no one cares.

I think that's something we need to talk about..... what are the plans  
for switching over to the new language?

I'll push a simple patch to change the 32-bit memory map, but when we  
go 36-bit in Linux, this might make sense.

-B



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