From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep Holla Date: Mon, 26 Sep 2016 13:38:50 +0100 Subject: [U-Boot] [PATCH v2] vexpress: disable cci ace slave ports when booting in non-sec/hyp mode In-Reply-To: <1474893000.2898.18.camel@linaro.org> References: <1474643401-13624-1-git-send-email-sudeep.holla@arm.com> <1474648719-2910-1-git-send-email-sudeep.holla@arm.com> <1474893000.2898.18.camel@linaro.org> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 26/09/16 13:30, Jon Medhurst (Tixy) wrote: > On Fri, 2016-09-23 at 17:38 +0100, Sudeep Holla wrote: >> Commit f225d39d3093 ("vexpress: Check TC2 firmware support before defaulting >> to nonsec booting") added support to check if the firmware on TC2 is >> configured appropriately before booting in nonsec/hyp mode. >> >> However when booting in non-secure/hyp mode, CCI control must be done in >> secure firmware and can't be done in non-secure/hyp mode. In order to >> ensure that, this patch disables the cci slave port inteface so that it >> is not accessed at all. >> >> Cc: Jon Medhurst >> Acked-by: Marc Zyngier >> Signed-off-by: Sudeep Holla >> --- > > Acked-by: Jon Medhurst > Tested-by: Jon Medhurst So, can I assume the missing kernel patches to be reason for boot hang ? Just wanted to know if I need to investigate that any further ? -- Regards, Sudeep