[U-Boot] Altering cpu/mpc85xx/start.S to set GPIO

[Kumar Gala]

On Feb 11, 2011, at 12:55 PM, Scott Wood wrote:

> On Wed, 9 Feb 2011 23:20:03 -0800
> Rick Ramstetter <rick.ramstetter at gmail.com> wrote:
> 
>> As per the P2020 QoriQ manual's section 4.5.3 (p. 4-48, "QorIQ P2020
>> Integrated Processor Reference Manual"), I ought to be able to access
>> CCSRBAR without mapping it through a TLB;
> 
> 4.5.3 says you don't need a LAW, it doesn't say anything about not needing
> a TLB entry.
> 
> -Scott

In think in the boot from SPI case there is a 4G TLB that maps 1:1

- k