From owner-freebsd-acpi@FreeBSD.ORG Thu Feb 28 09:52:05 2008 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 030B71065671 for ; Thu, 28 Feb 2008 09:52:05 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.245]) by mx1.freebsd.org (Postfix) with ESMTP id AF5E48FC1E for ; Thu, 28 Feb 2008 09:52:04 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: by an-out-0708.google.com with SMTP id c14so810930anc.13 for ; Thu, 28 Feb 2008 01:52:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=cpnXG1ioq4h4F1zC58/HgtfVwfalvxDUojXizvBjJPw=; b=HXh5U+fI/wdgalc0jNRZ9KTVEzgCqisfqVBRi7f1XXh7sbMmIDqDcbmH5UncBtOD2hHoZq9Kr9ZlFZYJIW5OhT8NMU89FciHiJWKQ3d5u91HJ0xaBAIDkUWEF9ZgQc+6cYZboX9JCrCgL7S9z3Vk9QO4K9j6/khWJDNbTgGjEvY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=gP8NCgRvWVr4ddM5bzY+DSJTrTJWTm9euGYj84Mzk1LB1Za6niu0dt/N6fIuShRCMb+ZZX9lsTm4e5PbZb9hMW9mkPUoQib9l/zvzdBRdhRificiCe9TojZWmUqMCT0mrdoBLgNj48aRY5SbyGJyO2UmIvDcqSnArJRiMwgLW9Q= Received: by 10.100.242.20 with SMTP id p20mr9223016anh.68.1204192324014; Thu, 28 Feb 2008 01:52:04 -0800 (PST) Received: by 10.100.153.10 with HTTP; Thu, 28 Feb 2008 01:52:03 -0800 (PST) Message-ID: Date: Thu, 28 Feb 2008 09:52:03 +0000 From: "Rui Paulo" Sender: rpaulo@gmail.com To: "Andriy Gapon" In-Reply-To: <47C67001.20101@icyb.net.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <47C67001.20101@icyb.net.ua> X-Google-Sender-Auth: 655faabb68b66ddf Cc: freebsd-acpi@freebsd.org Subject: Re: mismatch between FACP and chipset spec X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2008 09:52:05 -0000 On Thu, Feb 28, 2008 at 8:25 AM, Andriy Gapon wrote: > > As some of you probably already know I have a motherboard based on > 440BX/PIIX4E chipset: > http://www.geocities.com/SiliconValley/3686/delta_mp2.html > > Here's some info from ACPI tables: > PM1a_EVT_BLK=0x4000-0x4003 > PM1a_CNT_BLK=0x4040-0x4041 > PM_TMR_BLK=0x4008-0x400b > > I know that in my case 0x4000 is a base address of "Power Management IO > Space" (as defined by PIIX4 specification). > I see that descriptions of the registers and their bits match between > ACPI specification and PIIX4 specification for registers in PM1a_EVT_BLK > (PMSTS and PMEN registers in PIIX4 parlance) and PM_TMR_BLK (PMTMP > register in PIIX4 parlance). > But addresses given for PM1a_CNT_BLK are not documented at all! On the > other hand ACPI description of that register perfectly matches > description of PIIX4 PMCNTRL register that is located at 0x4004 with a > given base address. So, this is 0x4040 vs. 0x4004, looks like a possible > typo/mistake by an author of ACPI tables for this motherboard. > > Question: is there any way I can way override the address of > PM1a_CNT_BLK? My guess is that there is zero chance that there would be > any BIOS updates for this old and exotic motherboard (MP2-BX-X). Try dumping your ACPI tables, change the address and load the new tables on boot, http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html Regards. -- Rui Paulo