[ECOS] ixp425 register access

Mark Salter msalter@redhat.com
Wed Mar 16 20:30:00 GMT 2005


On Wed, 2005-03-16 at 02:20 -0500, alfred hitch wrote:
> Hi,
> 
> I need to access the IXP425 watchdog timer registers from redboot code.
> Is there any reference code there already for doing same ?? 

There is code for HAL_PLATFORM_RESET which accesses the watchdog regs.
It is commented out because of the early CPU errata, but it shows how
to access the regs.

> 
> How does reset command in redboot code works, I see that its using
> vector table set up which is very deeply macro'ed ..
> Is this the same thing ?? 

RedBoot for the IXP4xx based boards use the default method of simply
jumping to the reset vector (after turning off irqs, etc). 

--Mark



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