From owner-freebsd-hackers Tue Oct 6 18:52:23 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA28967 for freebsd-hackers-outgoing; Tue, 6 Oct 1998 18:52:23 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from mail.scsn.net (scsn.net [206.25.246.12]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA28875; Tue, 6 Oct 1998 18:51:43 -0700 (PDT) (envelope-from dmaddox@scsn.net) Received: from rhiannon.scsn.net ([209.12.57.57]) by mail.scsn.net (Post.Office MTA v3.1.2 release (PO205-101c) ID# 0-41950U6000L1100S0) with ESMTP id AAA142; Tue, 6 Oct 1998 21:42:20 -0400 Received: (from root@localhost) by rhiannon.scsn.net (8.9.1/8.9.1) id VAA00444; Tue, 6 Oct 1998 21:52:13 GMT (envelope-from root) Message-ID: <19981006215213.A318@scsn.net> Date: Tue, 6 Oct 1998 21:52:13 +0000 From: dmaddox@scsn.net (Donald J. Maddox) To: Avalon Books , freebsd-hackers@FreeBSD.ORG, freebsd-hardware@FreeBSD.ORG Subject: Re: 16C650 UART Support Reply-To: dmaddox@scsn.net References: <361A92E1.B77BBF4B@advicom.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <361A92E1.B77BBF4B@advicom.net>; from Avalon Books on Tue, Oct 06, 1998 at 05:00:01PM -0500 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, Oct 06, 1998 at 05:00:01PM -0500, Avalon Books wrote: > Does any have detailed information about enabling 16C650 UART support > in 2.2.6R? I have a Boca IO650 with dual ST16C650 UART's, and I need to > eliminate the I/O bottleneck out to my ISDN TA. Hitting 230.4 kbps would > be nice... > So... > Which files I do alter, and what are the alterations? Or is there a > separate driver for 16C650-based cards (and if so, where do I find it)? > Is there already support for baud rates above 115.2 kbps? Or do I need > to add support? And if so, how? > You get the idea... I believe the 16650-specific stuff just requires that you set the 0x20000 bit in the sio flags, like this: device sio2 at isa? port "IO_COM3" tty flags 0x20000 irq 12 vector siointr There are some other interesting bits in there, too... Just take a look at sio.c. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message