[U-Boot-Users] PXA270 support

Robert Whaley rwhaley at applieddata.net
Mon Mar 14 21:36:10 CET 2005


Hi Detlef,

Try timing the sleep command.  Is it accurate?  Take a look at 
cpu/pxa/interrupts.c.

I believe the CFG is correct in the patch (but I haven't looked at this 
for a while).  If you think it needs to be changed after checking sleep 
and udelay, please let me know!

Robert

Detlef Vollmann wrote:
> Robert Whaley wrote:
> 
>>Detlef Vollmann wrote:
>>
>>>has anybody tried to port u-boot to a PXA270 based board?
>>
>>Attached is a patch from
>>
>>http://sourceforge.net/mailarchive/message.php?msg_id=10171505
> 
> Great.  Thanks, having this it was quite easy to port to my
> board.
> 
> But I have one question left: in your config file adsvix.h,
> you have
> #define CFG_HZ                  3686400
> but the external clock for a PXA27x should be 13MHz.
> I used the same value as you, and it works fine, but what
> clock is that (or is it ignored)?
> 
> Detlef
> 





More information about the U-Boot mailing list