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=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 529E3C10F09 for ; Mon, 18 Feb 2019 00:19:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CC11218A6 for ; Mon, 18 Feb 2019 00:19:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cLDsfNsx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728022AbfBRATr (ORCPT ); Sun, 17 Feb 2019 19:19:47 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:36389 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727390AbfBRATq (ORCPT ); Sun, 17 Feb 2019 19:19:46 -0500 Received: by mail-pf1-f193.google.com with SMTP id n22so7612156pfa.3; Sun, 17 Feb 2019 16:19:45 -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=AfjyKjJ4BPDlX5QQ+sFj1fRVuO9lVs7F3NH6shrTHtY=; b=cLDsfNsx13o5jVbpfVJM1rGKKUV/63W8NmOQz/8GkyEPs8GYLjJarohBh8aVUh5J+s qYaKYdoDeAymcZqFK7Y2dulSPWNelR3dY4eFhyXHpuWH+aSiaqP60pcyGK2DdCNEoe0R L6fb153r6bLrAUThs5k0InFu+iTYQPUwjffXXTIeZZJKSUqrrWPRsEfYYNvEuI/HBGFk 020PIrw/pRWhdmcz51jjErVI7JZ640M5LPgWyvUQkeyFH4hre7sQm/EMNdhPixoeYh/l HO94JHYUQbAcnZhW40fwFiQmgym35S6ynrmeuLGf2d3pvs7IUxNb1YuHgnA3vCPyd56v W6CQ== 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=AfjyKjJ4BPDlX5QQ+sFj1fRVuO9lVs7F3NH6shrTHtY=; b=oNJf/xmANyV/B4rwkKKxRObM4D3mcWWZ1VSlvKBOi1qNXhN0RrpaEi05XDjki61Gga ZsKEM4xnJsx6dRwuBdnj+zv8j/haOhEPdSo0/32HEnEKlz/ipOSntSwm+eYv4YOI1zNH 79rbfQluB8FvBpm+zlnMjVoJkwS2Rmi1Obg2/PBByueVOGLrsaP/0+uhyo6pixvXCd7O 1u6tgLb7xVbczuxF80kxhtEIeNH/pitQ8O6IqGop9A2k7QIY7LRKRlLgItP8cGb1AzeQ fDGOmKhNEybXHMRITcISgg4yUlmKrUHOw3d8EQqNpsZBOkdsBvaeEQOBcAvT+S5io3DE 7I0w== X-Gm-Message-State: AHQUAub0CnTWzTN5lZ1Jt9mtqiZ+rVFBSMOoBYbY2djOvLkkMYppcz4G urfrvxInyQHwaYVFfG/SljU= X-Google-Smtp-Source: AHgI3IZaCtIC5CyA4/pgD49BKesPmkzS/NPioMK8YCwl06w0fhCsm3mqwWP81/cedYiGA1P3nOfozw== X-Received: by 2002:a63:8441:: with SMTP id k62mr15388177pgd.219.1550449185279; Sun, 17 Feb 2019 16:19:45 -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 s73sm31518071pfi.124.2019.02.17.16.19.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Feb 2019 16:19:44 -0800 (PST) From: Dmitry Osipenko 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 Subject: [PATCH v4 4/8] ARM: tegra: Set up L2 cache using Trusted Foundations firmware Date: Mon, 18 Feb 2019 03:17:22 +0300 Message-Id: <20190218001726.16785-5-digetx@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190218001726.16785-1-digetx@gmail.com> References: <20190218001726.16785-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tegra30 L2 cache should be initialized using firmware call if CPU is running in insecure mode. Initialize L2 cache and set up the outer-cache callbacks early during boot using the firmware API. Signed-off-by: Dmitry Osipenko --- arch/arm/mach-tegra/tegra.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index f9587be48235..67d8ae60ac67 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -38,6 +38,7 @@ #include #include +#include #include #include #include @@ -70,9 +71,18 @@ u32 tegra_uart_config[3] = { 0, }; +static void __init tegra_trusted_foundations_l2x0_cache_init(void) +{ + if (IS_ENABLED(CONFIG_CACHE_L2X0) && + IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && + of_machine_is_compatible("nvidia,tegra30")) + call_firmware_op(l2x0_init); +} + static void __init tegra_init_early(void) { of_register_trusted_foundations(); + tegra_trusted_foundations_l2x0_cache_init(); tegra_cpu_reset_handler_init(); } -- 2.20.1