From mboxrd@z Thu Jan 1 00:00:00 1970 From: icenowy-h8G6r0blFSE@public.gmane.org Subject: Re: [PATCH 1/2] dt-bindings: add binding for A64 DE2 CCU with SRAM section Date: Mon, 16 Oct 2017 17:41:10 +0800 Message-ID: References: <20171014122925.13220-1-icenowy@aosc.io> <20171016091136.b4rnckh2tfi26shx@flea.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20171016091136.b4rnckh2tfi26shx-ZC1Zs529Oq4@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Maxime Ripard Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Chen-Yu Tsai , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Rob Herring , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org 在 2017-10-16 17:11，Maxime Ripard 写道： > On Sat, Oct 14, 2017 at 08:29:24PM +0800, Icenowy Zheng wrote: >> A64's Display Engine 2.0 needs a section of SRAM (SRAM C) to be >> claimed. > > Why? Allwinner didn't document this, but if the SRAM is not claimed, the DE2 MMIO zone is totally not accessible. It seems that Allwinner uses the SRAM C in the DE2 internally. > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- 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