From owner-freebsd-arm@FreeBSD.ORG Mon Jan 19 17:17:52 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 A379FBCA for ; Mon, 19 Jan 2015 17:17:52 +0000 (UTC) Received: from mail-oi0-x22a.google.com (mail-oi0-x22a.google.com [IPv6:2607:f8b0:4003:c06::22a]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 62E01B3E for ; Mon, 19 Jan 2015 17:17:52 +0000 (UTC) Received: by mail-oi0-f42.google.com with SMTP id g201so27661755oib.1 for ; Mon, 19 Jan 2015 09:17:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=l4xmnx1POxmPMA1/Y6qeLR7nFr7WgiuzdP3hEoft49k=; b=kGlUxDDz/9VIVCfd7sGCx6tKBqBIigfBgz+FNzphdd0AoCJN9Rz1+pUaL5zbXpjqoy mCHWH6aVRSZc+sVsQtPqRf0RpmYYpduQIzfC1VSESlu56gFZgNUHdV9lIiFp2zl970SV 6LXU0fuhc/Lxew8MW4VEF8VU+840wlARvYkADj4A79SjExOLXeqisYQKQJeOUFwG2nzb VLz2kEimkFgy6JMH7p9N0YX7wSRf9kdnJGWM00X0FTEzBQhpoGam18wKz/yzYiammOP4 lJW0p1epL7G1K0sooiB6JQYr0CAx5QgQZ3OqdxbB8LOqGdtR6KJ6KTImBO9VMvaSIrpR 9ooA== X-Received: by 10.202.91.138 with SMTP id p132mr18004273oib.47.1421687871770; Mon, 19 Jan 2015 09:17:51 -0800 (PST) MIME-Version: 1.0 Received: by 10.76.29.41 with HTTP; Mon, 19 Jan 2015 09:17:21 -0800 (PST) In-Reply-To: <20150113111908.060482ca@bender> References: <20150113111908.060482ca@bender> From: Jia-Shiun Li Date: Tue, 20 Jan 2015 01:17:21 +0800 Message-ID: Subject: Re: booting on RK3288 board To: Andrew Turner Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: "freebsd-arm@freebsd.org" 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: Mon, 19 Jan 2015 17:17:52 -0000 http://www.arm.com/products/processors/cortex-a/cortex-a17-processor.php "ARM Cortex-A12 is now also referred to as the ARM Cortex-A17. " They decided that software interface is compatible enough to call A12 an early revision of A17 instead. The difference only exists at performance and implementation level. So there will be faster A17s and slower "A17s"...? -Jia-Shiun. On Tue, Jan 13, 2015 at 7:19 PM, Andrew Turner wrote: > On Tue, 13 Jan 2015 18:45:31 +0800 > Ganbold Tsagaankhuu wrote: > > > On Mon, Jan 12, 2015 at 2:00 PM, Ganbold Tsagaankhuu > > wrote: > > > > > Hi, > > > > > > Just wanted to share boot success on T-Firefly board ( > > > http://www.t-firefly.com/en/): > > > > > > > > > > https://github.com/tsgan/rockchip/blob/master/RK3288/rk3288-dmesg-multi-user.txt > > > > > > It has Rockchip RK3288 SoC (quad core Cortex A17) > > > > > > > > > Replying to myself, actually it is A12. > > It looks like most sites saying it is a Cortex-A17 are wrong. We found > this because the ID register was returning a different value to what > is documented in the Cortex-A17 TRM. There doesn't appear to be a > public TRM for the Cortex-A12, but the Linux source shows what Ganbold > got was for the A12. As far as I know the main difference between the > A12 and A17 is the latter is able to be part of a big little system. > > Andrew > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >