Re: OpenBlockS600 (AMCC 405EX) again

[Rafal Jaworowski <raj%semihalf.com@localhost>]

On 2010-03-11, at 10:17, KIYOHARA Takashi wrote:

> From: Frank Wille <frank%phoenix.owl.de@localhost>
> Date: Thu, 11 Mar 2010 09:41:45 +0100
> 
>> On Thu, 11 Mar 2010 16:41:35 +0900 (JST)
>> KIYOHARA Takashi <kiyohara%kk.iij4u.or.jp@localhost> wrote:
>> 
>>> The former patch supports AMCC 405EX.  The latter patch supports
>>> OpenBlockS600.
>>> [...]
> 
>> How difficult would it be to add the AMCC 440EP? For example this board:
> 
> You create arch/powerpc/include/ibm4xx/amcc440ep.h(?).  And 440EP board
> sources to evbppc/440EP_BOARDDIR.
> Also add AMCC440EP peripheral devices to opb.c and plb.c.  
> Next, ZMII should be likely to be supported to EMAC of 440EP.  ZMII is
> more difficult than RGMII perhaps.
> I understand neither PCI nor USB at the end.  OpenBlockS600 doesn't
> support PCI.  And, my USB is USB OTG(not EHCI).

Not sure if NetBSD has grown Book-E support yet, but keep in mind the PPC440 
core is siginificantly different than PPC405, in particular at the MMU (TLB 
handling) level, so there's needed explicit support for the 440/460 machines in 
TLB miss exceptions handling at least.

Rafal