From owner-freebsd-arm@FreeBSD.ORG Thu Jan 29 14:09:07 2015 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1A89EF9B for ; Thu, 29 Jan 2015 14:09:07 +0000 (UTC) Received: from mfdf021.ocn.ad.jp (mfdf021.ocn.ad.jp [153.128.50.16]) by mx1.freebsd.org (Postfix) with ESMTP id D4730E30 for ; Thu, 29 Jan 2015 14:09:06 +0000 (UTC) Received: from mogw0514.ocn.ad.jp (mogw0514.ocn.ad.jp [118.23.178.156]) by mfdf021.ocn.ad.jp (Postfix) with ESMTP id 54B83797F69 for ; Thu, 29 Jan 2015 22:40:43 +0900 (JST) Received: from mf-smf-ucb006.ocn.ad.jp (mf-smf-ucb006.ocn.ad.jp [153.149.231.5]) by mogw0514.ocn.ad.jp (Postfix) with ESMTP id DB0B310217; Thu, 29 Jan 2015 22:40:35 +0900 (JST) Received: from mv-osn-hcb010.ocn.ad.jp (mv-osn-hcb010.ocn.ad.jp [122.1.235.84]) by mf-smf-ucb006.ocn.ad.jp (Switch-3.3.4/Switch-3.3.4) with ESMTP id t0TDeZtt049870; Thu, 29 Jan 2015 22:40:35 +0900 Received: from smtp.ocn.ne.jp (mv-osn-hcb010.ocn.ad.jp [122.1.235.84]) by mv-osn-hcb010.ocn.ad.jp (Postfix) with ESMTP id 0AB987302DD; Thu, 29 Jan 2015 22:40:35 +0900 (JST) Received: from localhost (p17157-ipngn100303sizuokaden.shizuoka.ocn.ne.jp [114.176.40.157]) by smtp.ocn.ne.jp (Postfix) with ESMTP; Thu, 29 Jan 2015 22:40:34 +0900 (JST) Date: Thu, 29 Jan 2015 22:40:28 +0900 (JST) Message-Id: <20150129.224028.2161712352713160981.toshi@ruby.ocn.ne.jp> To: freebsd-arm@freebsd.org Subject: Re: System-On-Module From: SAITOU Toshihide In-Reply-To: <20150129123505.GJ73589@cicely7.cicely.de> References: <20150129113930.53cfc2ff@bender> <20150129123505.GJ73589@cicely7.cicely.de> X-GPG-fingerprint: 34B3 0B6A 8520 F5B0 EBC7 69F6 C055 9F8A 0D49 F8FC X-Mailer: Mew version 6.6 on Emacs 24.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jan 2015 14:09:07 -0000 On Thu, 29 Jan 2015 13:35:05 +0100, Bernd Walter wrote: > On Thu, Jan 29, 2015 at 11:39:30AM +0000, Andrew Turner wrote: >> On Thu, 29 Jan 2015 18:27:08 +0900 >> "Lundberg, Johannes" wrote: >> >> > What I'm most worried about is the graphics stack.. Some companies >> > don't seem so keen on handing out specs. >> >> The only ARM vendor I know that has released documentation on their 3D >> hardware is Broadcom [1]. The only options for this are the Raspberry >> Pi or one of the mobile phones with a Broadcom CPU. I neither option to >> be applicable for your requirements. > > On the other hand people still struggle when it comes to CPI on RPi, > because it is handled by the GPU. > I'm still not so sure about this Broadcom SoC. > This is the reason why I like that the RPi Camera header is also used > on the Hummingboard and the BanannaPi. > The Hummingboard is an iMX6. > The BanannaPi unfortunately is an Allwinner and their datasheets are > AFAIK chinese only and IIRC also under NDA. It depends on the purpose, but I think the UVC camera is alternative. This class SOC has the sufficient power for the MJPEG recording. Because the MJPEG encoding is performed by the camera :) So, I think the GPU support is not necessary, unless you need simultaneously decoding. (I thought it would be nice if there is a NEON MPEG decoder...) -- SAITOU Toshihide (compile is not yet finished)