From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Michlmayr Subject: Re: Only 1 CPU on Jetson TX1 Date: Sun, 26 Mar 2017 15:49:12 -0700 Message-ID: <20170326224912.GD4723@jirafa.cyrius.com> References: <20170323001131.GA7507@jirafa.cyrius.com> <6da81dbc-b070-da0f-1589-ec2cb8f453d5@kapsi.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <6da81dbc-b070-da0f-1589-ec2cb8f453d5-/1wQRMveznE@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mikko Perttunen Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Vagrant Cascadian List-Id: linux-tegra@vger.kernel.org * Mikko Perttunen [2017-03-25 10:32]: > It appears you need to have > > fdt_copy_node_names=/cpus:/psci > fdt_copy_src_addr=0x83080000 > > in your U-Boot configuration. This is documented somewhere in the middle of > http://elinux.org/Jetson/TX1_Upstream_Kernel. I can confirm that this works with u-boot from L4T R24.2.1. However, it doesn't work with mainling u-boot (grepping for fdt_copy_ doesn't show anything in the source code). Does anyone know how to get all 4 CPUs working with mainline u-boot? -- Martin Michlmayr http://www.cyrius.com/