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 4723FC43381 for ; Fri, 22 Feb 2019 18:04:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 187FC2070D for ; Fri, 22 Feb 2019 18:04:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Jr0jW989" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727552AbfBVSEj (ORCPT ); Fri, 22 Feb 2019 13:04:39 -0500 Received: from mail-lf1-f67.google.com ([209.85.167.67]:32911 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727479AbfBVSEg (ORCPT ); Fri, 22 Feb 2019 13:04:36 -0500 Received: by mail-lf1-f67.google.com with SMTP id q12so2413423lfm.0; Fri, 22 Feb 2019 10:04:34 -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=Jr0jW989CtnvJYdr1+6TMimzDMHDAAoVRF14ZqAkbS+ynaSGXeM6MSV5Bkf53zo2sw cMcwDUVWDVkiUEtylnj+/O5tMTpvjcf4Rso0toLQr2iI9qoNbBLW/AtXg/PQMZyEe/4/ EuQIHPIK4bBPh9MxEyyZLWLTS6bxhB70LMR9ucLfoGUZz0s2gqYG7XyaGMQxi9caGboz LTNntrRG9p2a/67XywcEtIC+NQH3CpVFC57sGgsOdA4MByGq/0nU6gALCPNIFm+n8k7I Ork95E6D+AX9YyWnHvHE0smBSThsaKRVD/oYZjBbXFIUIsmb18mNDWUfy37vlO71D9Qu 7Lsw== 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=HavTaJak1dVspTysoIIGTvrbMt7PwhF7fGkLxA1f4RjTdyUYwHU0QPc+ArIazxSziS Fgr9soWmDfpkw7t0c4mBHWeSDwQs8dTmmcrAkR3rk0QBy8+ipbtklmUa43ZFHlAZtC3P aUcvmDCtNyw5ZzU0fJsFQb2fLZ7strPgDd91jKmFD1hpmwP50N/AcmLssDRTr97w+2GM lADza5eabRfyFrdGP8afZBfCa5BTkaXpmdnz4kuwfo/IaaFtDQ3dZbRPDlPlfdUo2UKq BbHadteTm3FlRN65FfUhW8gF7Fqq+5afP9CXF55VsSv3uwi247BWl4/KhivGIulcmEuV /IUg== X-Gm-Message-State: AHQUAuaHPUUd/jui5RC7K4y2UJYb4bTlNWOk3Y98UpNKXh2HnnGWPX7L ACHTiQ+9jm3vmBnqKyDfhBE= X-Google-Smtp-Source: AHgI3IaJEsj3kn9P0hVwEv0sUqUfRwmR3ypjSmWOVPZXz4x78Cav6WUvuG8rxDGy31MSk1v3oRIJjg== X-Received: by 2002:ac2:424e:: with SMTP id m14mr3232954lfl.4.1550858673926; Fri, 22 Feb 2019 10:04:33 -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.47.2019.02.22.10.04.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Feb 2019 10:04:33 -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 v5 4/8] ARM: tegra: Set up L2 cache using Trusted Foundations firmware Date: Fri, 22 Feb 2019 20:59:22 +0300 Message-Id: <20190222175926.23366-5-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 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