From: Christoph Plattner <christoph.plattner@dot.at>
To: parisc-linux@lists.parisc-linux.org
Subject: [parisc-linux] [Fwd: Success: My E55 (9000/856) runs bash-2.04 via PDC]
Date: Sat, 14 Apr 2001 10:08:18 +0200 [thread overview]
Message-ID: <3AD80572.DB70DCD8@dot.at> (raw)
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From: Christoph Plattner <christoph.plattner@dot.at>
To: parisc-linux@lists.parisc-linux.org
Subject: Success: My E55 (9000/856) runs bash-2.04 via PDC
Date: Sat, 14 Apr 2001 01:16:44 +0200
Message-ID: <3AD788DB.2A4A73E2@dot.at>
Hello PA-RISC community.
Again and again I want to have my E55 running Linux, but the problem
is the serial lines (8-port MDP) is a proprietary interface. So I needed
a solution.
I had the idea to use the PDC console, months ago.
Today hacked a driver (template was serial.c) for a polling PDC device
driver. I called it pdc_drv.c, the device is "ttyQ0", with MAJOR 30,
MINOR 0
and I use a polling period of 30ms (enough for a serial console i/f).
Because I have not further implemented the internel console i/f for my
driver, I used the hack with the link of
/dev/console --> /dev/ttyQ0
And my machine boots up via NFS !
Perhaps we can make a "driver" out of this "hack" !
In my driver I also use the hack, I have done for the serial.c, that
with `^\' I can reboot ( machine_restart() ) the computer to work
remote on it !
With friendly regards
Christoph P.
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