BSP for 405EX

Joel Sherrill joel.sherrill at OARcorp.com
Fri Mar 28 15:14:22 UTC 2008


Chris Caudle wrote:
> On Fri, March 28, 2008 2:40 am, Thomas Doerfler wrote:
>   
>> The next step for you should really be to build a set of drivers,
>> possibly in "c/src/lib/libcpu/powerpc/ppc405"
>>     
>
> The drivers should probably be up a level.  I'll leave it up to those
> making more active contributions to suggest a directory layout, but the
> peripherals on all the 405 variants will be largely the same on the 440
> and 460 variants as well.  The memory controllers and PCI Express
> interfaces might be different on the heavier weight processors, but all
> the low bandwidth stuff like UART's, two-wire/I2C, ROM bus, etc. will be
> the same across all of the IBM derived chips (now shipping from AMCC).
>
>   
That would lead me to a directory like amc4xx which contains
the shared parts.
> --
> Chris Caudle
>
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Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
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