From: "Frank Ch. Eigler" <fche@redhat.com>
To: Dave Brolley <brolley@redhat.com>
Cc: sid@sources.redhat.com
Subject: Re: [patch][commit] Base address for hw-glue-probe-bus
Date: Tue, 29 Aug 2006 18:06:00 -0000 [thread overview]
Message-ID: <20060829180645.GE24243@redhat.com> (raw)
In-Reply-To: <44F47F8D.6040108@redhat.com>
Hi -
> The address which is driven on the "address" pin of hw-glue-probe-bus is
> the one which comes in on the "upstream" bus. This is OK if the probe
> bus is at the top of the memory heirarchy, but not so useful if it is,
> for example, between a mapper and a memory component. [...]
This sacrifices reusability of such a probe component in a
multiply-connected bus topology (having multiple incoming mappings on
the same upstream bus). To do this without would require more
"wiring", like putting the bus-probe between the transparent mapper
and a similarly configured normal one.
- FChE
next prev parent reply other threads:[~2006-08-29 18:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-29 17:55 Dave Brolley
2006-08-29 18:06 ` Frank Ch. Eigler [this message]
[not found] ` <44F48761.9050007@redhat.com>
[not found] ` <20060829183612.GF24243@redhat.com>
[not found] ` <44F48F16.1070702@redhat.com>
[not found] ` <20060829193935.GH24243@redhat.com>
2006-08-29 20:37 ` Dave Brolley
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