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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3CDDC433F5 for ; Sun, 24 Oct 2021 08:46:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 90F0D60F9B for ; Sun, 24 Oct 2021 08:46:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 90F0D60F9B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=z3ntu.xyz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ERrzxBN/AzM4C/+Qrpm/h7I91wQc+d4q6MFQOwmu26c=; b=M1HOQtXTvrEVag xezMPSsCSAXm4q1JsJJBIPq+KEAfcsz2Sef993ZCubkyLLJbc72yZATHPOzNnCjd7JuPioEyN0BxA IlOFSgtnSSsdslitknrg+0WrP9kEs6GsXEJMRo8YIhF9MEi+ioWjD9hZLtYvare7673gzTK0Cl0iX OAH631DI7dkgJrkF9pJtCmkE1/dOburV0gcxWXfw64AmhRNtgVKsuWnsST3QNPusblGonPXS4X5RX fXeO9JluRFZ6y9wtXFHhiHd0O7t9Dw0F4eF95LoQGGCDWX+BwLKTo9CbJ5JJN9JHZaCu8wl9KYEuh 0abEOYxdC/H4ziXwemmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1meZ9F-00Dnvu-6k; Sun, 24 Oct 2021 08:46:33 +0000 Received: from mail.z3ntu.xyz ([128.199.32.197]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1meZ8z-00Dnum-Lw; Sun, 24 Oct 2021 08:46:19 +0000 Received: from localhost.localdomain (ip-213-127-63-241.ip.prioritytelecom.net [213.127.63.241]) by mail.z3ntu.xyz (Postfix) with ESMTPSA id 20B91C6C78; Sun, 24 Oct 2021 08:46:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=z3ntu.xyz; s=z3ntu; t=1635065172; bh=MNGJb5x5e9bvi6TMYXpldSbHD+QFVn7vCYvD1jNOx5g=; h=From:To:Cc:Subject:Date; b=ZFpGK+m/ztWbYs29/omZeQw80VQNdOgfuyQJl4AqCJN+wG0CbLP0ULFVtYqLFnlw/ hXbbJZoyzgL/mbDKEMvAXbYf0HoFizw8QUiJsoLev500RU8V7weB/9wwJ0HtZi1duP K1zu+G+WuMg5pFK/lQhWMK0HaiR2cdIhE8w3Jlug= From: Luca Weiss To: linux-mediatek@lists.infradead.org List-Id: Cc: ~postmarketos/upstreaming@lists.sr.ht, Luca Weiss , Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Matthias Brugger , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm: dts: mt6589: Add device tree for Fairphone 1 Date: Sun, 24 Oct 2021 10:45:35 +0200 Message-ID: <20211024084535.30959-1-luca@z3ntu.xyz> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211024_014617_898804_079FC73A X-CRM114-Status: GOOD ( 17.01 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Message-ID: <20211024084535.9nwAe9pBhp-TURzh4iKb_GmGWVwFY005YctAFnGwA48@z> Add rudimentary support for the Fairphone 1, based on MT6589 to boot to UART console. The recently added SMP support needs to be disabled for this board as the kernel panics executing /init with it, even though the CPUs seem to start up fine - maybe a stability issue. [ 0.072010] smp: Bringing up secondary CPUs ... [ 0.131888] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.191889] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.251890] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.251982] smp: Brought up 1 node, 4 CPUs [ 0.254745] SMP: Total of 4 processors activated (7982.28 BogoMIPS). [ 0.255582] CPU: All CPU(s) started in SVC mode. [ 0.472039] Run /init as init process [ 0.473317] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 Signed-off-by: Luca Weiss --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/mt6589-fairphone-fp1.dts | 30 ++++++++++++++++++++++ arch/arm/boot/dts/mt6589.dtsi | 2 +- 3 files changed, 32 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/mt6589-fairphone-fp1.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7e0934180724..24f402db2613 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1437,6 +1437,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt2701-evb.dtb \ mt6580-evbp1.dtb \ mt6589-aquaris5.dtb \ + mt6589-fairphone-fp1.dtb \ mt6592-evb.dtb \ mt7623a-rfb-emmc.dtb \ mt7623a-rfb-nand.dtb \ diff --git a/arch/arm/boot/dts/mt6589-fairphone-fp1.dts b/arch/arm/boot/dts/mt6589-fairphone-fp1.dts new file mode 100644 index 000000000000..c952347981de --- /dev/null +++ b/arch/arm/boot/dts/mt6589-fairphone-fp1.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) 2021, Luca Weiss + */ + +/dts-v1/; +#include "mt6589.dtsi" + +/ { + model = "Fairphone 1"; + compatible = "fairphone,fp1", "mediatek,mt6589"; + + chosen { + stdout-path = &uart3; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x40000000>; + }; +}; + +&cpus { + /* SMP is not stable on this board, makes the kernel panic */ + /delete-property/ enable-method; +}; + +&uart3 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/mt6589.dtsi b/arch/arm/boot/dts/mt6589.dtsi index 70df00a7bb26..c6babc8ad2ba 100644 --- a/arch/arm/boot/dts/mt6589.dtsi +++ b/arch/arm/boot/dts/mt6589.dtsi @@ -14,7 +14,7 @@ / { compatible = "mediatek,mt6589"; interrupt-parent = <&sysirq>; - cpus { + cpus: cpus { #address-cells = <1>; #size-cells = <0>; enable-method = "mediatek,mt6589-smp"; -- 2.33.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek