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 D8597C43381 for ; Fri, 22 Feb 2019 19:35:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A668D20700 for ; Fri, 22 Feb 2019 19:35:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="E0H7/W/9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726949AbfBVTf4 (ORCPT ); Fri, 22 Feb 2019 14:35:56 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:43462 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726480AbfBVTfz (ORCPT ); Fri, 22 Feb 2019 14:35:55 -0500 Received: by mail-pl1-f194.google.com with SMTP id m10so1515124plt.10; Fri, 22 Feb 2019 11:35:55 -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=s9q3gbd6+FFh+E4/n8m7zDglopcsbqNaagda1Y5Is1M=; b=E0H7/W/9+Wf7PUgt2VptNB69Q+9Gny+RBJ/5biERUq5qivm+sMpg/x1VxXQr4gN2G6 aBcaoouwvS+bPxAfh3bq8IQXSD9OtgnyTJx6f6WV+1Lv4e4/rxO+g2vSmKYV9Tp5rQxu +Dqynre9s+MzK6BdHBTxNEJ2zfBKeC10T4ZrJshqMxm/KGepvS/CRQeUFoc5Ny9FnGW7 CUSIyFCjH4aJOnOyk9TTUwtHq048PylZHuYuRwyEnnNGfweV9vxQtH+TM599Cw+yzK70 mDy2ReYX2d7aPgRtvqM3Nmz18gmD0kvpiPpUkg19dq+bWxL4BAmjssJ/4PE68d5+k3vD MyuQ== 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=s9q3gbd6+FFh+E4/n8m7zDglopcsbqNaagda1Y5Is1M=; b=UkwR6ZB1wagpO2jIo3M5LtAKAxzyw3TH9bnNpluyrJ9L9aGuCoKzRnniam96DVWXAG vGqdXulSo9W+2hkNZR49QUbC3Dv9wAo8W0e8cPzFVXy/TFZ79UUPhxDe/ORhEoQflmnf FJlGuZrsusJhw1khBcS7EyuCZ2c+flBM7N3YfsEOsls32iE4tqsovhch4CnwreLcD4I5 zWX39Rzpg5SGHRfnKtSwaqgnbUEdmBqGAwVsHHRjtpDAz1WHV1oGc4hqmbCjcsC5Rvpa z7Z2t+h+6DWjANLpRDILY2uQo78fXlOcFpPUmCcPh+jprh1v3Vo0D3ZIdlatLPjsQd9x gn3A== X-Gm-Message-State: AHQUAua7LJDos+gGHvKmeX5Rl+1A0K5jTrjnvizmq5A6icahx7F6DO5P Gq2m99Vr8WLrr+m5H0DxZ70= X-Google-Smtp-Source: AHgI3IagDA2ESNkuTD51pAeXz6/JGyrW/QEyxf0/GmHYePf/5JcaPtSwMprxlXCIyRIQUBEpN7utzA== X-Received: by 2002:a17:902:1122:: with SMTP id d31mr5810807pla.246.1550864155323; Fri, 22 Feb 2019 11:35:55 -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 e21sm7687190pfh.45.2019.02.22.11.35.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Feb 2019 11:35:54 -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 v6 4/7] ARM: tegra: Set up L2 cache using Trusted Foundations firmware Date: Fri, 22 Feb 2019 22:34:23 +0300 Message-Id: <20190222193426.10747-5-digetx@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190222193426.10747-1-digetx@gmail.com> References: <20190222193426.10747-1-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. Set up the required outer-cache write_sec() callback early during boot using the firmware API, it is always a NO-OP on T114+ and is NO-OP on T20/30 if Trusted Foundations firmware node isn't present in device-tree. Signed-off-by: Dmitry Osipenko --- arch/arm/mach-tegra/tegra.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index f9587be48235..1e89cfefbf68 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 @@ -74,6 +75,7 @@ static void __init tegra_init_early(void) { of_register_trusted_foundations(); tegra_cpu_reset_handler_init(); + call_firmware_op(l2x0_init); } static void __init tegra_dt_init_irq(void) -- 2.20.1