Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 9 Jul 2001 07:49:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 9 Jul 2001 07:48:56 -0400 Received: from t2.redhat.com ([199.183.24.243]:1012 "EHLO passion.cambridge.redhat.com") by vger.kernel.org with ESMTP id ; Mon, 9 Jul 2001 07:48:53 -0400 X-Mailer: exmh version 2.3 01/15/2001 with nmh-1.0.4 From: David Woodhouse X-Accept-Language: en_GB In-Reply-To: In-Reply-To: To: root@chaos.analogic.com Cc: "Gregory (Grisha) Trubetskoy" , linux-kernel@vger.kernel.org Subject: Re: reading/writing CMOS beyond 256 bytes? Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 09 Jul 2001 12:46:04 +0100 Message-ID: <19706.994679164@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org root@chaos.analogic.com said: > Motherboard manufacturers who have rewritable BIOS chips now leave one > page (typically 64k) for startup parameters. This is erased and > written using the magic provided by the chip vendors. You often have to do chipset-specific magic to enable the WE and Vpp lines to BIOS flash chips. See drivers/mtd/maps/l440gx.c in my working tree for an example. Don't try this at home, kids. :) -- dwmw2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/