Date: Tue, 6 Oct 1998 21:52:13 +0000 From: dmaddox@scsn.net (Donald J. Maddox) To: Avalon Books <avalon@advicom.net>, freebsd-hackers@FreeBSD.ORG, freebsd-hardware@FreeBSD.ORG Subject: Re: 16C650 UART Support Message-ID: <19981006215213.A318@scsn.net> In-Reply-To: <361A92E1.B77BBF4B@advicom.net>; from Avalon Books on Tue, Oct 06, 1998 at 05:00:01PM -0500 References: <361A92E1.B77BBF4B@advicom.net>
next in thread | previous in thread | raw e-mail | index | archive | help
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-hardware" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19981006215213.A318>