[U-Boot] Changing endianness of at91sam926x causes u-boot to crash

[U-Boot] Changing endianness of at91sam926x causes u-boot to crash

[dibacco at libero.it]

Hi all,

I have a board with at91sam9260 configured as little endian (via strap 
pin). The u-boot is working quite well.
On the board there is a chip whose 
driver was written for PowerPC that is big endian. Unfortunately the driver was

written in a bad way and it is difficult to fix endiannes dependencies. I 
thought to change the endianness of the processor
to big endian. I recompiled 
everything with a big endian compiler but the u-boot is crashing. Should I 
change something
on my hardware?

[U-Boot] Changing endianness of at91sam926x causes u-boot to crash

[Ulf Samuelsson]

tor 2009-01-15 klockan 19:17 +0100 skrev dibacco at libero.it:
> Hi all,
> 
> I have a board with at91sam9260 configured as little endian (via strap 
> pin). The u-boot is working quite well.
> On the board there is a chip whose 
> driver was written for PowerPC that is big endian. Unfortunately the driver was
> 
> written in a bad way and it is difficult to fix endiannes dependencies. I 
> thought to change the endianness of the processor
> to big endian. I recompiled 
> everything with a big endian compiler but the u-boot is crashing. Should I 
> change something
> on my hardware?

The AT91 series is strictly small endian.

Before there is an argument, I'd like to point
out people came to the conclusion that 
"the only good endian is a dead endian"
years ago.


> 
> 
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-- 
Ulf Samuelsson <ulf.samuelsson@atmel.com>
Atmel Nordic AB