Subject: Re: A TODO list for cardbus/ PCMCIA support.
To: None <jonathan@DSG.Stanford.EDU>
From: Hayakawa Koichi <email@example.com>
Date: 06/17/1999 13:51:26
From: Jonathan Stone <jonathan@DSG.Stanford.EDU>
> Here's a list I've been kicking around, of things that we should
> do to s
> 1. The way Hayakawa-san's existing CardBus patches bus windows (i.e.,
> a bus bridge which only provdes access to a subset of the parent's
> bus-space on the bridged, child bus) is far from great. I think
> Jason and i have said much the same idea about how to fix that,
> tho' we've said it in very different language. Basic idea
> is to have a bus-space tag keep track of the `window' on the
> bus in which the tag can acutally allocate space.
I prefer that bus_space_tag_t contains the window of
bus-space. A bridge device should allocate bus-space window
(shared or dedicated), then bus_space_tag is provided to the
I add another:
7. The 16-bit pcic code should be shared between ISA- and
PCI-pcic and YENTA CardBus bridge.