From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A02A8C43603 for ; Mon, 9 Dec 2019 07:20:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 64125206D3 for ; Mon, 9 Dec 2019 07:20:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cPFLhZRA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64125206D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieDL8-00087v-EY for qemu-devel@archiver.kernel.org; Mon, 09 Dec 2019 02:20:18 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45875) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieDKV-0007jE-DO for qemu-devel@nongnu.org; Mon, 09 Dec 2019 02:19:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ieDKT-0001Wo-Cz for qemu-devel@nongnu.org; Mon, 09 Dec 2019 02:19:39 -0500 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:40343) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ieDKT-0001TE-4D for qemu-devel@nongnu.org; Mon, 09 Dec 2019 02:19:37 -0500 Received: by mail-pf1-x443.google.com with SMTP id q8so6733841pfh.7 for ; Sun, 08 Dec 2019 23:19:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=O8bqF1rn+PqYoAZ5jE0J4xonAxc3tFJdFvY8mPt2Gxs=; b=cPFLhZRASEQKqD7ZtOtMjP5jjTIByuWYE5vyg6zaCTg1Vudr5kjEULBUPCrcEKTVgq Ae4OeuMq9gPL+Yb5BwBJ4HT4T9xF5qcht2sGiQF8G2ZNid0Fv5uXVUpBOwfBHrIhFhj4 cQoyFKLZR2U7ulzwacEnGLACGM/E3VnBbmoEYsZistL+4LGcalRNR542zXKeFUYhN++Z Yld/9gwDTc8YMU1eNU/4dv42xmPl1QopRFSm2FrDsZC4gFeS6gPBzrtZRFU3q+cz+ktP RITgfcebpDgoSg76Rx3ou2umOF0nOGQ6g4AJHU56s+nTltGH42er+oAQ0AzMoCzMZEEt GirQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=O8bqF1rn+PqYoAZ5jE0J4xonAxc3tFJdFvY8mPt2Gxs=; b=HV+IU/i2UjrCuu9r0aq2JOGaVcuriNKoSuVo4bgZx/MQF5gSlrKfq2YfsbSTyNsi2o XBEQnsLrMAHypux3TQmPFT0pUkjV/crJpkQgv9lgwKrPkRhJHiXUQ4Q60mO8yKrfW9I8 XZcrOeD1B6i8yLJYBxvnwC5+cpe7C+4uE3oraQfY9BLfQyCUBqx0VA0ymDutBOQOAMWf rmV4PCKc2Jsw0D2Mc2zKdzylmB+0UapfzWzaiUoE/2xOexzuGYgodupE8PlIreQFL7ro DiGXTpir6QjVU197AxNuLVIhwAxJwiNDr/ZsJYVZzPjmhNCtRuvlEYwOXhv0udc6mvfv Qdlg== X-Gm-Message-State: APjAAAWxslmjO7XXxQrJfUPRmDKYsuekmpl0FR03llBX+jRvqfHaBIgZ 5IS+i4flCAakD66KuATpKOmCR/Oc X-Google-Smtp-Source: APXvYqwHloqb0aqrMx8HQTaT6TBbDS8TGtvjqWZT9ihks50OUaEdKge8ntMkD4ezAwccpWwpiGGLhg== X-Received: by 2002:a63:b64a:: with SMTP id v10mr17573243pgt.145.1575875975572; Sun, 08 Dec 2019 23:19:35 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id z7sm26058060pfk.41.2019.12.08.23.19.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 Dec 2019 23:19:34 -0800 (PST) Subject: Re: [PATCH 1/5] arm64: zynqmp: Add firmware DT node To: Michal Simek , 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: Guenter Roeck Message-ID: <4821742f-2d60-b722-b954-263de975bf2e@roeck-us.net> Date: Sun, 8 Dec 2019 23:19:33 -0800 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: 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::443 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 , 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" 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 > 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 > Isn't that a bit harsh too ? Normally one would print an error message and abort driver instantiation. It sounds like you are saying that qemu's xlnx-zcu102 emulation is no longer supported and expected to crash the kernel. Is this a correct assumption ? If so, I'll drop it from my list of tests. Thanks, Guenter