From: sseeger@stellartec.com (Steven Seeger)
To: "'Jun Sun'" <jsun@mvista.com>
Cc: <linux-mips@linux-mips.org>
Subject: RE: NEC VR4181A
Date: Thu, 13 Feb 2003 05:22:36 -0800 [thread overview]
Message-ID: <02c101c2d362$f9e2eed0$3501a8c0@wssseeger> (raw)
In-Reply-To: <20030212224837.D16015@mvista.com>
>Osprey uses Vr4181, which is a different chip from vr4181a.
Yeah I didn't notice the A on there. We are looking into the possibility of
using the A in our board. Part of the problem is that the A only comes in
BGA and we don't like dealing with that.
>Interesting. I was trying to get RT-Linux working at one time
>but aborted that effort in the middle.
Getting RTAI working wasn't easy. Took over a week and it was supposedly
already "ported." One of these days I really must find the time to check in
my changes to that project. It works very well and is quite stable. I think
46 us worst-case interrupt response off one of the VR4181's interrupts from
an external source is very good.
Steve
WARNING: multiple messages have this Message-ID (diff)
From: sseeger@stellartec.com (Steven Seeger)
To: 'Jun Sun' <jsun@mvista.com>
Cc: linux-mips@linux-mips.org
Subject: RE: NEC VR4181A
Date: Thu, 13 Feb 2003 05:22:36 -0800 [thread overview]
Message-ID: <02c101c2d362$f9e2eed0$3501a8c0@wssseeger> (raw)
Message-ID: <20030213132236.522Oy0-8oUdvHMwkTbCk7QB6tPE7vIC5zD7qb_RbCdc@z> (raw)
In-Reply-To: <20030212224837.D16015@mvista.com>
>Osprey uses Vr4181, which is a different chip from vr4181a.
Yeah I didn't notice the A on there. We are looking into the possibility of
using the A in our board. Part of the problem is that the A only comes in
BGA and we don't like dealing with that.
>Interesting. I was trying to get RT-Linux working at one time
>but aborted that effort in the middle.
Getting RTAI working wasn't easy. Took over a week and it was supposedly
already "ported." One of these days I really must find the time to check in
my changes to that project. It works very well and is quite stable. I think
46 us worst-case interrupt response off one of the VR4181's interrupts from
an external source is very good.
Steve
next prev parent reply other threads:[~2003-02-13 13:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-12 17:23 NEC VR4181A Julian Scheel
2003-02-12 17:30 ` Steven Seeger
2003-02-12 17:30 ` Steven Seeger
2003-02-13 6:48 ` Jun Sun
2003-02-13 13:22 ` Steven Seeger [this message]
2003-02-13 13:22 ` Steven Seeger
2003-02-13 17:46 ` Jun Sun
2003-02-14 8:41 ` Stuart Hughes
2003-02-14 12:56 ` Kunihiko IMAI
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