Thread (3 messages) flat view 3 messages, 3 authors, 2006-06-10

Re: [PATCH 2/10 v2] Add the MPC8641 HPCN platform files.

From: Segher Boessenkool <hidden>
Date: 2006-06-10 13:52:12

quoted
quoted
Cascade handling is changing with my genirq port. It will be easy to
adapt though. Same comments howveer, you should have a device- 
tree node
for the 8259 (under an ISA bridge, those shall really be in the
device-tree). In general, on-board bridges should be in the  
device-tree,
only slots or standardly routed child PCI devices need not.
Can you send me an example?
I'll try to dig something. Power3 at least has MPIC<->8259 cascade, as
do some IBM blades when running bare metal kernels.
On the blades, the 8259 isn't cascaded to the MPIC.  And we disable
it completely anyway ;-)


Segher
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