From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [version 2] amba uarts - arm type uarts fifo size provided by device tree Date: Mon, 9 Mar 2015 12:29:51 +0000 Message-ID: <20150309122951.GK8656@n2100.arm.linux.org.uk> References: <1424290069-8760-1-git-send-email-jorge.ramirez-ortiz@linaro.org> <20150303165534.GB10239@leverpostej> <54FD912F.8080403@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <54FD912F.8080403-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jorge Ramirez-Ortiz Cc: Mark Rutland , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: devicetree@vger.kernel.org On Mon, Mar 09, 2015 at 08:25:19AM -0400, Jorge Ramirez-Ortiz wrote: > I just confirmed that there are a number of differences on top of the > fifo size requiring many additional software changes. > This is not great news since the uart announces itself as vendor_arm > version 1. And that is a _very_ bad thing. The IP is claiming to be created by ARM, but it isn't - that probably puts this PL011 in a sticky situation from a legal point of view. (We've had a CPU which identified itself as an ARM Ltd ARM926, but it wasn't - the silicon vendor was forced to re-spin their silicon to change the ID... I wouldn't be surprised if that happens here too.) -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html