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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 Cc: robh+dt@kernel.org, mark.rutland@arm.com, michal.simek@xilinx.com, devicetree@vger.kernel.org, Rajan Vaja , Rajan Vaja , linux-arm-kernel@lists.infradead.org, qemu-devel@nongnu.org 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;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(376002)(136003)(39860400002)(346002)(396003)(199004)(189003)(4744005)(65956001)(8676002)(4326008)(229853002)(336012)(5660300002)(426003)(31696002)(305945005)(81156014)(81166006)(36756003)(186003)(9786002)(2616005)(230700001)(44832011)(70206006)(316002)(2906002)(50466002)(76176011)(478600001)(70586007)(966005)(6636002)(26005)(36386004)(31686004)(54906003)(8936002)(58126008)(110136005)(356004)(6666004);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR02MB5372;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;A:1;MX:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2f65465d-ab4a-46cd-bac2-08d77c730915 X-MS-TrafficTypeDiagnostic: DM6PR02MB5372: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-Forefront-PRVS: 02462830BE X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: VTKNCu+9lnes7fCcSi6pVbG5fDCD0nI15fm05Reb8ifJx7PEPitf1TNBQpyrVxQt/2D87AStNrUH/B7wNJbJdDYZ2jlRk8H7DwkLWA7MS9VVH6Tl4jnWJBL4Scfe+DAs6NRJL5wWwjCC1a3vi7i7OZ70ZF9JSd8noVFUzhCDbh+fx40GBfhQEqCNPdC2QwA+ih9GZibA36XnSn6nYQxwJMmipBelmPqo5gRhzdKcLsmzyjKxBNY3LqhMw/cM0cQuhBvwCdPYmtuucx2iJXZ4ErN9zxUYl0iWo5VZN/Ajd9eLN28JrNvxBD4a1nHF2JPEC1x9PlpzK8qftFNL1qArtYTfXUfjBCoA2R326/KfH0SF9bTeo99XBIdz+tzY2AErpCOtagLnsXoWxdo4uyHXkLgI4t9fK85XWbG98KwKb1oqLf5bC0Fhf8pn8v4pdHjSFJOlUZ5Cq5u7UILmHeuxSTzRunsQ6im8t+rhIalnmWs= X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2019 06:43:01.0595 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2f65465d-ab4a-46cd-bac2-08d77c730915 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB5372 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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