[ECOS] About Xscale NPE and Redboot

[Mark Salter]

>>>>> kneep  writes:

> Dear All,
> 	Has anyone ever successfully bring up the NPE on a IXP4xx-based board 
> with the switch chip ks8995m.
> 	Intel has released a copy of Redboot for its IXDP425 development board. 
> This package came with Intel's API for  manipulating NPEs.
> 	We customized a board running IXP422 and are trying to port Redboot to 
> this board. We use a 5-port switch chip KENDIN ks8995m which differs 
> from that of the IXDP425.
> 	Intel's manual claims the APIs for NPE support ks8995m. I failed to 
> bring the NPE up though I think I had initialised the switch correctly.
> 	Would you please share your experience if you have done such kind of 
> jobs. Thank you.
> Best Regards,
> -- 
> kneep <kneep@sh.askey.com.tw>

The GRG (ADI Coyote) board uses a ks8995x 4-port chip and the Intel NPE code
(CSR1.1) works with it. You'll probably need to dig into the Intel code to
find where/why its failing. Because the CSR code is proprietary, you really
need to ask Intel for details on its operation.

--Mark




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