From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by oss.sgi.com id ; Mon, 9 Oct 2000 20:46:33 -0700 Received: from u-240.karlsruhe.ipdial.viaginterkom.de ([62.180.18.240]:50181 "EHLO u-240.karlsruhe.ipdial.viaginterkom.de") by oss.sgi.com with ESMTP id ; Mon, 9 Oct 2000 20:46:11 -0700 Received: (ralf@lappi) by lappi.waldorf-gmbh.de id ; Tue, 10 Oct 2000 05:45:06 +0200 Date: Tue, 10 Oct 2000 05:45:06 +0200 From: Ralf Baechle To: Keith Owens Cc: Linux on MIPS Subject: Re: sgiserial.c Message-ID: <20001010054506.F25504@bacchus.dhis.org> References: <20001010051348.A36498@wo1133.wohnheim.uni-wuerzburg.de> <3417.971147957@kao2.melbourne.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <3417.971147957@kao2.melbourne.sgi.com>; from kaos@melbourne.sgi.com on Tue, Oct 10, 2000 at 02:19:17PM +1100 X-Accept-Language: de,en,fr Sender: owner-linux-mips@oss.sgi.com Precedence: bulk Return-Path: X-Orcpt: rfc822;linux-mips-outgoing On Tue, Oct 10, 2000 at 02:19:17PM +1100, Keith Owens wrote: > > The serial ports of all SGI systems support several standard rates > > up through 38400 bps (see termio(7) for these standard rates). > > The serial ports on O2, OCTANE, Origin2000, Onyx2 and Origin200 > > systems also support > > > > 31250 57600 > > 76800 115200 > > FWIW, O2's may be rated at 115200 but I can kill my O2 by feeding it > the output from a Linux serial console at 115200. No diagnostics, just > a solid machine hang. The Origin's IOC3 16550 can go even higher rates at low interrupt load due to it's higher crystal frequency and a NIC-like DMA descriptors. We just don't do it yet in the Linux driver ... Ralf