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Iglesias" References: <20191018160735.15658-1-m.tretter@pengutronix.de> <20191018160735.15658-2-m.tretter@pengutronix.de> <20191208223814.GA21260@roeck-us.net> <4821742f-2d60-b722-b954-263de975bf2e@roeck-us.net> <20191209074840.GP32392@toto> From: Guenter Roeck Message-ID: <573f0472-9779-c5df-f199-4e0958753fd8@roeck-us.net> Date: Sat, 14 Dec 2019 21:28:51 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::1043 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Rajan Vaja , Michael Tretter , qemu-devel@nongnu.org, Edgar Iglesias , robh+dt@kernel.org, Rajan Vaja , linux-arm-kernel@lists.infradead.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 12/9/19 7:02 AM, Michal Simek wrote: > On 09. 12. 19 15:32, Guenter Roeck wrote: >> On 12/8/19 11:48 PM, Edgar E. Iglesias wrote: >>> On Sun, Dec 08, 2019 at 11:19:33PM -0800, Guenter Roeck wrote: >>>> On 12/8/19 10:42 PM, Michal Simek wrote: >>>>> Hi, +Edgar >>>>> >>>>> >>>>> On 08. 12. 19 23:38, Guenter Roeck wrote: >>>>>> On Fri, Oct 18, 2019 at 06:07:31PM +0200, Michael Tretter wrote: >>>>>>> From: Rajan Vaja >>>>>>> >>>>>>> Add firmware DT node in ZynqMP device tree. This node >>>>>>> uses bindings as per new firmware interface driver. >>>>>>> >>>>>>> Signed-off-by: Rajan Vaja >>>>>>> Signed-off-by: Michal Simek >>>>>>> Signed-off-by: Michael Tretter >>>>>> >>>>>> With this patch applied in the mainline kernel, the qemu xlnx-zcu102 >>>>>> emulation crashes (see below). Any idea what it might take to get >>>>>> qemu back to working ? >>>>> >>>>> Driver talks through ATF to PMU unit(microblaze). I don't think A53+MB >>>>> concept is working with mainline qemu. But crash is too hard. It should >>> >>> Yes, QEMU doesn't support the Cortex-A53s along with the PMU MicroBlaze. >>> >>> My workaround when using upstream QEMU is a modified DT without the >>> PMU firmware >>> and with fixed-clock nodes. >>> >> >> I can't do that for my boot tests. Normally I would just disable >> ZYNQMP_FIRMWARE, >> but that is hard enabled with ARCH_ZYNQMP. I'll have to drop those tests, >> unfortunately, if the firmware driver is considered mandatory. > > We can make it optional. > Rajan: please send a patch for it. > I'll disable the related boot tests for now. If/when this is fixed, let me know, and I'll re-enable it. Guenter