From owner-freebsd-hackers@FreeBSD.ORG Sun Feb 4 22:23:35 2007 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5908F16A403 for ; Sun, 4 Feb 2007 22:23:35 +0000 (UTC) (envelope-from cats@catslab.com) Received: from racoon.catslab.com (racoon.catslab.com [88.191.13.229]) by mx1.freebsd.org (Postfix) with SMTP id E16A413C48E for ; Sun, 4 Feb 2007 22:23:33 +0000 (UTC) (envelope-from cats@catslab.com) Received: (qmail 39489 invoked by uid 2010); 4 Feb 2007 22:23:32 -0000 Received: from 81.56.179.92 by racoon.catslab.com (envelope-from , uid 2009) with qmail-scanner-1.25-st-qms (clamdscan: 0.88.2/1524. spamassassin: 3.1.1. perlscan: 1.25-st-qms. Clear:RC:0(81.56.179.92):SA:0(-2.5/3.5):. Processed in 3.756504 secs); 04 Feb 2007 22:23:32 -0000 X-Spam-Status: No, hits=-2.5 required=3.5 X-Antivirus-CATSLAB-COM-Mail-From: cats@catslab.com via racoon.catslab.com X-Antivirus-CATSLAB-COM: 1.25-st-qms (Clear:RC:0(81.56.179.92):SA:0(-2.5/3.5):. Processed in 3.756504 secs Process 39477) Received: from spyro.catslab.com (HELO poppa) (cats@catslab.com@81.56.179.92) by racoon.catslab.com with SMTP; 4 Feb 2007 22:23:28 -0000 From: Cats To: X-Mailer: PocoMail 4.1 (3650) - Licensed Version X-URL: http://www.pocomail.com/ Date: Sun, 4 Feb 2007 23:20:20 +0100 Message-ID: <200724232020.754293@poppa> In-Reply-To: <200702042241.58481.freebsd-hackers@dino.sk> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Subject: Re: Geode SC1100 i2c bus X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Feb 2007 22:23:35 -0000 > On Sunday 04 February 2007 22:24, Cats wrote: >> I played a bit today with Geode registers. >> >> Well, I tried to tweak the /usr/src/sys/i386/i386/geode.c >> >> *** 198,203 **** >> --- 198,207 ---- >> * people think their box just died. */ led_func(&led1b, 1); >> + outb(0x2E,0x7); // Select LDN Page 80 + >> outb(0x2F,0x2); // Put 02h in LDN to select >> IR Port + outb(0x2E,0x30); // Select >> Logical Device Control Register + >> outb(0x2F,inb (0x2F)+1); // Set LDCR[0] to enable IR port } if ( >> strlen(bios_oem) ) printf("Geode %s\n", bios_oem); >> >> After rebooting with the new kernel I got this in the dmesg: >> >> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 >> sio0: type 16550A, console >> sio1: configured irq 3 not in bitmap of probed irqs 0 >> sio1: port may not be enabled >> sio1 at port 0x2f8-0x2ff irq 3 on isa0 >> sio1: type 16550A >> >> Yes, the IR port is seen as a standard serial port and I have the >> cuad1* and ttyd1* in the /dev >> >> Well of course none of IRRCX1 and IRTX pins are wired on the wrap >> board, so no way to test it. >> >> This might be a trick to enable the ACBbuses on the geode to have >> them recognized by a driver on the isa bus. >> >> Got to try when I'll have some spare time. >> > > It will not work, there is much more to do. As shown in your test, > even second serial will not work because irq routing is not set. > But I will try to analyze Pascal's sources and compare it to my > older work, maybe I can find the problem, just wait a bit... I will > keep you informed if I achieve any progress... Milan Ok thanks, I'll check on my side what I can do... ;-) Cedric