From owner-freebsd-embedded@FreeBSD.ORG Mon Nov 28 22:29:33 2011 Return-Path: Delivered-To: freebsd-embedded@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 10924106564A for ; Mon, 28 Nov 2011 22:29:33 +0000 (UTC) (envelope-from stb@lassitu.de) Received: from gilb.zs64.net (gilb.zs64.net [IPv6:2001:470:1f0b:105e::1ea]) by mx1.freebsd.org (Postfix) with ESMTP id CE5858FC0A for ; Mon, 28 Nov 2011 22:29:32 +0000 (UTC) Received: by gilb.zs64.net (Postfix, from stb@lassitu.de) id C41B91134B9 for ; Mon, 28 Nov 2011 23:29:31 +0100 (CET) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1251.1) From: Stefan Bethke In-Reply-To: <68ABED76-CB1F-405A-8036-EC254F7511FA@lassitu.de> Date: Mon, 28 Nov 2011 23:29:31 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <3B3DB17D-BF87-40EE-B1C1-445F178E8844@lassitu.de> References: <68ABED76-CB1F-405A-8036-EC254F7511FA@lassitu.de> To: freebsd-embedded@freebsd.org X-Mailer: Apple Mail (2.1251.1) Subject: Re: TL-WR1043: switch X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Nov 2011 22:29:33 -0000 Am 28.11.2011 um 23:18 schrieb Stefan Bethke: > So with the GPIOs working, the next step would be to attach a = bit-banging I2C device to GPIO 18 and 19. My kernel foo is probably not = up to creating the appropriate newbus attachment myself. Anybody want = to give me a hint? I'd start by copying lpbb, replacing the parallel = port code with appropirate gpio calls. >=20 > I haven't taken a detailed look at the OpenWrt code, but the datasheet = for the RTL8366 can be googled, including a full register map and a = description of the VLAN configuration (which I'm most interested in). = With a working I2C bus, that shouldn't be too hard, I'd think. Further looking around, we already have dev/gpio/gpioiic.c. I'll see if = I can get it to attach. Stefan --=20 Stefan Bethke Fon +49 151 14070811