From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2a00:1450:4864:20::436; helo=mail-wr1-x436.google.com; envelope-from=brad@sensel.com; receiver=edk2-devel@lists.01.org Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 97F70211BD5E8 for ; Tue, 5 Feb 2019 11:06:55 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id x10so4866575wrs.8 for ; Tue, 05 Feb 2019 11:06:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sensel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=Gb6OodFn+e/bYRCC0LTsO8BzYT1p2uS0AMw+Iqz3gZs=; b=DB6qkNsQ4BtpQaXaWOHHJzSENA5YjioOzK+nvylEGWnNrxEnTmUKcyKU2xiabo9mFb DMnOy4NmhD/r7BtaMVZJetvwfWlPedJ8TW9pfoHDqdH2fxF/OGwVRO9dkNH1s/l74MjH oxy5EJMKkkn8zVV6dPHVE22axoizC9umL77/91cjR1x8amsP3iH3keQo4t+PQUwU7wKB XS723gPoMD1s88PUol/9gv1CxSaTozo/q9cJxZ4hBPORsrCrvXtp02R97Ga2Gy5MkPIb 42SjROTroyfL7pti+s9kAxQcOQA+/S8qjmnr7K8E0Wln7Lb/xb6RqFGH7h521C/kV6uV tLwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=Gb6OodFn+e/bYRCC0LTsO8BzYT1p2uS0AMw+Iqz3gZs=; b=RZv+3dLbBQrPVBbCiumo77bBP22BXJdgtnQdAYU/upHZZQFmggWMIzefDg/ZZddcLf e0SjgsGpnWTf4jQex5X6WZ1YR8fr8rdQ54iEDM8BBvYG4wUjS35xBhfcweLqakZOLPtJ QqLgWVAwBp/VuMWyJjSWV05KsBJFRoqp81TmEv6DTnl0hKZ/Z+IynCLLp8BHrlyZl4H4 lwSWx25LKJ6DBwr+rNnFibLvCFoS7eCtxFgqc5od4RChNA3rhnVTV9Jeg0MTZA+k0IIv fI44ADskLFl/AFKKIiQyaC12e8yyk9eTSr2PH+MePLxyfurwktFxq9RMcIbmgne3WV0F wSGg== X-Gm-Message-State: AHQUAuaC4+VZkmZpg9vWXdJbSkzuoqdWEXzzilwlhgwZhXK2v8g0M7vA 3TEZvDFz/jHXEIDmCXgZtfaciqbH9pqDNUVesVBqli717G4= X-Google-Smtp-Source: AHgI3IYVpu1Q3owbisfiqK63sMoERFKDDYK522tIZA4Q/VCIrpXiVXiIqN0eGxuU5kYM6ZFOo+4U5gAJ/RsmFFOX8S4= X-Received: by 2002:adf:ba8e:: with SMTP id p14mr4706608wrg.230.1549393613708; Tue, 05 Feb 2019 11:06:53 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Brad Bozarth Date: Tue, 5 Feb 2019 14:06:42 -0500 Message-ID: To: edk2-devel@lists.01.org X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: Peripheral FW capsule delivery? X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Feb 2019 19:06:55 -0000 Content-Type: text/plain; charset="UTF-8" I would really appreciate a small pointer on this - yes/no on if is a standard peripheral fw delivery buit-in, and maybe a pointer to a doc or source code directory to take a look at? Thank you, Brad On Tue, Jan 29, 2019 at 4:54 PM Brad Bozarth wrote: > Hi! > > I am implementing firmware for a touchpad that will be going into a > laptop, connected via i2c. We would like to take advantage of the UEFI > firmware capsule delivery method for firmware updates if possible. I am > struggling to find out how to do this. In particular, I'd like to know > whether there is a "standard" delivery mechanism we can take advantage of > and communicate with from the firmware side over i2c, or if we need to > write UEFI driver code of some sort to pass the update down. We'd love to > leverage a standard pipe that dumps an update over i2c if possible and > implement what we need to on the firmware side. We are supplying our > touchpad to the laptop OEM and they are distant and have their own software > teams, so if we need to write UEFI code, it complicates matters! > > This is the page that I'd love to read, if it were filled out :) > https://github.com/mdkinney/edk2/wiki/Capsule-Based-Device-Firmware-Update > > Thank you! > Brad >