From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v5 6/8] ARM: tegra: Always boot CPU in ARM-mode Date: Fri, 22 Feb 2019 20:59:24 +0300 Message-ID: <20190222175926.23366-7-digetx@gmail.com> References: <20190222175926.23366-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190222175926.23366-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Russell King , Thierry Reding , Jonathan Hunter , Robert Yang , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Cc: linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org CPU always jumps into reset handler in ARM-mode from the Trusted Foundations firmware, hence let's make CPU to always jump into kernel in ARM-mode regardless of the firmware presence. This is required to make Thumb-2 kernel working with the Trusted Foundations firmware on Tegra30. Signed-off-by: Dmitry Osipenko --- arch/arm/mach-tegra/reset-handler.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 6bea95d165fa..3bf202819534 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -113,6 +113,7 @@ ENTRY(__tegra_cpu_reset_handler_start) * must be position-independent. */ + .arm .align L1_CACHE_SHIFT ENTRY(__tegra_cpu_reset_handler) -- 2.20.1 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=-8.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D58D5C10F00 for ; Fri, 22 Feb 2019 18:06:12 +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 A96B22070D for ; Fri, 22 Feb 2019 18:06:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uU7+Phoy"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G05694d0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A96B22070D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fH3INno3k6B3tblL10RvAtWiSZWsf6eLy+MSd4MG6SE=; b=uU7+PhoyrBne+a RPjgAQkio4J5wQdUiVYDKxMfe4wHOwRuv89w8y76iEd9wUQ4LMD8GvG7hWdhbjF9nSjmgiuu8pwvL GO1JEwLKeh524v+teBjctw/9TcGQt1aQ+BOeO09ni8hEQnfJUrz21MOE9fPabvT0s+yFDZ7vrzkRx uCHtCVloTSZT4t8nNECbLJB/x22LPZ8PjDAud6UQtEVmh+GjoiC8YwqoSzGBLYJPhBL77tD2tVOBq qw/7idiRBMOu9VROfVBLVziG8Kxk3FzBN6JDt//EyuORXJ8ZdAzCGtwPtQ4H2ngrFOyM55EOGYFlf kaqouvv8zsxyGnrjh3UA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gxFD2-00015L-U2; Fri, 22 Feb 2019 18:06:04 +0000 Received: from mail-lf1-x143.google.com ([2a00:1450:4864:20::143]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gxFBd-0006l9-Lu for linux-arm-kernel@lists.infradead.org; Fri, 22 Feb 2019 18:04:40 +0000 Received: by mail-lf1-x143.google.com with SMTP id g12so2357298lfb.13 for ; Fri, 22 Feb 2019 10:04:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QnRZ3rfzwRbPDDTdc6HzTkn6HQQ4M3T5bbjKD11buGw=; b=G05694d0OTJpUsO3QC7S/LYh8TaqBs+SeafD31Jy46AXpJYIScpUzo/4Pmpo7ZTda0 1GcfZn0Rllt4rax+n63QkZ8u/zjwu49nFqqA7se4+xJIOT3790J1Dxj0KQaEO28OdOwr UnMLWe1b/DjJiUwGYXbw5MfghxTzJY0Vsf1exA6hz4Z+/2LPW3k15pZSc6w3KM4TNF9e wBAhCjSYPNSwE31e8qMeHHYcCDXawSoHkQzrQk/26kjl9QJTq6hKw7RLBxuBdFmsadgo tw4vb1phHUHvhY0P4tADJ08EIiggu5ri1Gbl2ZI/hxVWSOSR3R7zBiw8ixO2NGSfiOyc KOhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QnRZ3rfzwRbPDDTdc6HzTkn6HQQ4M3T5bbjKD11buGw=; b=DKlnnWF6w81B6I+J/EB3va1/b8K7cldN72EhkKbnZiBCrIJxDBGywgJVbvv02EubvP PtxZekSeTZ8QT8v9GJzFzibYdjZxnpGwjw+/Z1NghuBr8DZKGPeFq+cac1L830OaGvKJ caG2T2qGMPe7HTA/hODA4EKvqSHPTXxuli/ZYzoeqLJxwW50Ohnrxlzms5R77RjuxKp9 b3dzpqRPV814zJdTxPW++cN5SV/xeIdgNwPpPX+LHJEU59kcVo8gPBDUJAQbYE+DA0vG i+o1FQtdxU5NpPCEfd+bAAL1nhWv+Prs2cDVSzeG+twUFbDdfXqbG5ej/DTky5tiODBa VkWg== X-Gm-Message-State: AHQUAubzSYkAYmuCAHIDJVjwIK2rwjWmVSs6VJZwU9jj0hFoKjAzqrBj 3Ucz99dhYkEFpYX9PL3T0Sw= X-Google-Smtp-Source: AHgI3IasBZa3PuWN1j2x0kUD2ry51mdaHvWnal+iuky2BlV15/ajKA4yAaSOhdkehshKTBaq8BB+0g== X-Received: by 2002:a19:cf4f:: with SMTP id f76mr3181684lfg.125.1550858676122; Fri, 22 Feb 2019 10:04:36 -0800 (PST) Received: from localhost.localdomain (ppp91-79-175-49.pppoe.mtu-net.ru. [91.79.175.49]) by smtp.gmail.com with ESMTPSA id j12sm721202lfg.47.2019.02.22.10.04.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Feb 2019 10:04:35 -0800 (PST) From: Dmitry Osipenko To: Russell King , Thierry Reding , Jonathan Hunter , Robert Yang , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Subject: [PATCH v5 6/8] ARM: tegra: Always boot CPU in ARM-mode Date: Fri, 22 Feb 2019 20:59:24 +0300 Message-Id: <20190222175926.23366-7-digetx@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190222175926.23366-1-digetx@gmail.com> References: <20190222175926.23366-1-digetx@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190222_100437_908559_02A61FF8 X-CRM114-Status: GOOD ( 12.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org CPU always jumps into reset handler in ARM-mode from the Trusted Foundations firmware, hence let's make CPU to always jump into kernel in ARM-mode regardless of the firmware presence. This is required to make Thumb-2 kernel working with the Trusted Foundations firmware on Tegra30. Signed-off-by: Dmitry Osipenko --- arch/arm/mach-tegra/reset-handler.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 6bea95d165fa..3bf202819534 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -113,6 +113,7 @@ ENTRY(__tegra_cpu_reset_handler_start) * must be position-independent. */ + .arm .align L1_CACHE_SHIFT ENTRY(__tegra_cpu_reset_handler) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel