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Sun, 08 Dec 2019 22:42:55 -0800 Received: from xsj-pvapsmtp01 (maildrop.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id xB96gk0x010978; Sun, 8 Dec 2019 22:42:46 -0800 Received: from [172.30.17.107] by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1ieCko-0004ME-Hm; Sun, 08 Dec 2019 22:42:46 -0800 Subject: Re: [PATCH 1/5] arm64: zynqmp: Add firmware DT node To: Guenter Roeck , Michael Tretter , Edgar Iglesias References: <20191018160735.15658-1-m.tretter@pengutronix.de> <20191018160735.15658-2-m.tretter@pengutronix.de> <20191208223814.GA21260@roeck-us.net> From: Michal Simek Message-ID: Date: Mon, 9 Dec 2019 07:42:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191208223814.GA21260@roeck-us.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; 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Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB5372 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.94.76 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 , michal.simek@xilinx.com, qemu-devel@nongnu.org, Rajan Vaja , robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 be no response from PMU and then this panic. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/firmware/xilinx/zynqmp.c?h=v5.5-rc1#n728 Edgar: can you please comment this? Thanks, Michal