From owner-freebsd-arm@freebsd.org Tue Feb 16 23:47:57 2016 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 60140AAA852 for ; Tue, 16 Feb 2016 23:47:57 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk0-x232.google.com (mail-qk0-x232.google.com [IPv6:2607:f8b0:400d:c09::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 210BB1A03 for ; Tue, 16 Feb 2016 23:47:56 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk0-x232.google.com with SMTP id o6so54496qkc.2 for ; Tue, 16 Feb 2016 15:47:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=50jKNOdUnSFFXxADVJewNGtrd3ZEGum7LXK8dGbGY5E=; b=MrNsOC3fxbJ9pPKD/GxyH8vmW74OMvCjjvUnq1NVB1fAqg7akQiNHLhucTrWavakLC 1B9ER71MSJ7z4fgkRLJEjDRuwJVNHNhv0X/4EIFAwHTZDXiJ/N9W5t/+d0iFtp/ey0K1 Qemshpln3UM/P5jZptU4ZhlfEv1keXuYfO3OXnC0tQ782xzg21f72bSWtI6m28kry9+m frEadtHcgVZjYeacBHKaTAbCYGmHzZTliKj8cVlectAdxPakeWpuHCMt+nuLMJc0+xFO wlaGoiWE8xUUJf+wWa1D9LGhBAd0LP0ifkqSHGEhBNkWtLr5BGXyLGCjvRYD2un7zwuT hj3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=50jKNOdUnSFFXxADVJewNGtrd3ZEGum7LXK8dGbGY5E=; b=jce7ZIh+b/WGh35K1NsQ4mckfhq8HL8dFOlzl06LyI/tZcuZs2fuo3lrsxVVZRE3nN 1EduZ3iSHagSMbMwRLu/IjguP9+WIWDSkE74oNWcjHQkK+/VkKZ2+D3oVVKpd6ilQ/Gt 3SW9DD2nkLJA01l7uUQNLLMddWwY/UfaMg3YFhTd6MPXdpCTrwFAUUn+yysIO5ChO3PJ ZO4hIormVrKaoSIwoThKibgoIMR/d+Nyo19R9p8hOoTd7o+sqDz3yAQA82OtZVE79UO0 YV99zgJvBSlwE9WpunrQMeng+7ZBReNQW3zGo6bCE71PVwDIwV/SQOeX75X7Rvf+S8qt H6Ig== X-Gm-Message-State: AG10YOSppxMBvjMd/cupRZF0XxOb4rgZdc6Gg1M3vBGWCBTeHyBkSC2isRi+3+kc/URRfv7kCVKWNp/zwc0/BA== MIME-Version: 1.0 X-Received: by 10.55.81.87 with SMTP id f84mr30684012qkb.10.1455666476095; Tue, 16 Feb 2016 15:47:56 -0800 (PST) Sender: wlosh@bsdimp.com Received: by 10.140.30.166 with HTTP; Tue, 16 Feb 2016 15:47:56 -0800 (PST) X-Originating-IP: [2607:fb90:120:ac19:0:34:dd4e:401] Received: by 10.140.30.166 with HTTP; Tue, 16 Feb 2016 15:47:56 -0800 (PST) In-Reply-To: <804ee4b84b98feeeea72d29663ba6b92@megadrive.org> References: <56BBD0B0.7040407@thieprojects.ch> <56BBD6B9.3090703@interia.eu> <20160211104534.5c18d1d32b3b55fdc458f6a5@bidouilliste.com> <56BCD629.3040209@interia.eu> <20160215123438.GK75922@cicely7.cicely.de> <20160215150404.GA51274@ns.kevlo.org> <20160215162419.GL75922@cicely7.cicely.de> <804ee4b84b98feeeea72d29663ba6b92@megadrive.org> Date: Tue, 16 Feb 2016 16:47:56 -0700 X-Google-Sender-Auth: PJg8JnWgESA97Yvt0lu-UXPHubE Message-ID: Subject: Re: FreeBSD on the $9 C.H.I.P From: Warner Losh To: Emmanuel Vadot Cc: owner-freebsd-arm@freebsd.org, Kevin Lo , freebsd-arm@freebsd.org, ticso@cicely.de Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Feb 2016 23:47:57 -0000 On Feb 16, 2016 3:50 PM, "Emmanuel Vadot" wrote: > > On 2016-02-16 19:33, Warner Losh wrote: >> >> On Mon, Feb 15, 2016 at 9:24 AM, Bernd Walter >> wrote: >> >>> On Mon, Feb 15, 2016 at 11:04:04PM +0800, Kevin Lo wrote: >>> > On Mon, Feb 15, 2016 at 01:34:39PM +0100, Bernd Walter wrote: >>> > > On Thu, Feb 11, 2016 at 07:42:49PM +0100, Kris wrote: >>> > > > Yep, that's what I meant. As long as we distinguish Allwinner naming >>> > > > convention from what is inside we shall be fine (although Allwinner >>> > > > tries hard to confuse people... as if ARM had not done enough :) ) >>> > > > That being said I think support for Allwinner chips is worth being >>> > > > continued. They are cheap, quite robust, quite popular, and >>> > > > documentation is reasonably available (credits go to sunxi I must >>> admit) >>> > > >>> > > This is the first time I hear someone saying that documentation for >>> > > Allwinner is available. >>> > > Any links to share or is this still under some kind of NDA? >>> > >>> > Some datasheets are available at >>> https://github.com/allwinner-zh/documents >>> >>> Oh - there are register definitions for the A20 I'd looked up. >>> That's better than nothing at least. >>> So far all I'd seen where block diagrams and pinouts. >>> >> >> Yea, but many of the interesting bits, like the NAND controller, are >> too light in detail to actually implement a NAND controller driver. >> >> Warner > > > Unfortunately the best documentation about allwinner is still linux source. Even by that standard... I find myself wanting.... Warner