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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 84B1FC4338F for ; Mon, 16 Aug 2021 12:27:39 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ADCC96325B for ; Mon, 16 Aug 2021 12:27:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org ADCC96325B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nic.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id CD12582EEA; Mon, 16 Aug 2021 14:27:34 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; secure) header.d=nic.cz header.i=@nic.cz header.b="qHx4ELFM"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id A1FA48312A; Mon, 16 Aug 2021 14:27:32 +0200 (CEST) Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id D223783157 for ; Mon, 16 Aug 2021 14:27:27 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=marek.behun@nic.cz Received: from dellmb.labs.office.nic.cz (unknown [IPv6:2001:1488:fffe:6:8747:7254:5571:3010]) by mail.nic.cz (Postfix) with ESMTPSA id 69A6F140CA8; Mon, 16 Aug 2021 14:27:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1629116847; bh=ZYKh2iTAtjJNcIf4U0JiJu5zq42Zzk6yqb6iolVhhjE=; h=From:To:Date; b=qHx4ELFMktqKlAz+AL0/kqqq/Bejj1KjKlk7NPzxsmiiA+pDN+PqZsXwD+QDtYFF1 BplejLU6kw1jz0qieOP4HvGq1HsI4AYULR4DQfzA/eF7v5jL95jLLXG/nwqPJ5EBHw gpf6lRx4xlnvklsS7i/OZ88p5gHis19AVAtE9KA0= From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: Stefan Roese Cc: u-boot@lists.denx.de, pali@kernel.org, =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH u-boot-mvebu 0/3] turris_omnia: Disable MCU watchdog in SPL when booting over UART Date: Mon, 16 Aug 2021 14:27:23 +0200 Message-Id: <20210816122726.14506-1-marek.behun@nic.cz> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Hello Stefan, while debugging Omnia, when sending U-Boot over UART, some USB-TTY controllers are too slow and Omnia's MCU watchdog resets the board before U-Boot proper is sent. This patch series changes Omnia board code so that when booting via UART, we disable MCU watchdog in SPL, prior loading U-Boot proper. Marek Marek Behún (3): arm: mvebu: Move get_boot_device() to cpu.c and make visible arm: mvebu: turris_omnia: don't guard by CONFIG_SPL_BUILD macro arm: mvebu: turris_omnia: disable MCU watchdog in SPL when booting over UART arch/arm/mach-mvebu/cpu.c | 60 ++++++++++++++++++ arch/arm/mach-mvebu/include/mach/cpu.h | 2 + arch/arm/mach-mvebu/spl.c | 77 +++--------------------- board/CZ.NIC/turris_omnia/turris_omnia.c | 25 +++++--- configs/turris_omnia_defconfig | 1 + 5 files changed, 88 insertions(+), 77 deletions(-) -- 2.31.1