[ECOS] IXP435 usb register access issue

Andrew Lunn andrew@lunn.ch
Wed Feb 25 07:03:00 GMT 2009


On Tue, Feb 24, 2009 at 04:25:46PM -0800, mukund jampala wrote:
> Hi Guys,
> 
> I am using an IXP435 and trying to program the USB controller on it.
> The environment is Redboot.
> In the current redboot, I am NOT able to access the USB base address
> i.e. 0xCD000000.
> 
> Actually, I am not able to access any address beyond 0xC80FFFE0.
> Is there any ixp initialization or redboot initialization that I have
> to access this registers space.

Sure, look at the code which sets up the MMU. It is in the HAL for
your target.

     Andrew

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