From patchwork Tue May 11 08:31:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 1476952 X-Patchwork-Delegate: lokeshvutla@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=KUM+enHM; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FfWTr2CMsz9sWp for ; Tue, 11 May 2021 18:36:00 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 284AE82F09; Tue, 11 May 2021 10:32:37 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="KUM+enHM"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id E6EE782F79; Tue, 11 May 2021 10:32:01 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,SPF_HELO_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id E253182F5F for ; Tue, 11 May 2021 10:31:56 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=kristo@kernel.org Received: by mail.kernel.org (Postfix) with ESMTPSA id 40FE56128C; Tue, 11 May 2021 08:31:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620721915; bh=ypoJBc2xIdT37zf8YPy3oWjBhO/3iFYVBY+6zm8sxjs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KUM+enHMQ09lPMdkrQIDA5lAZF/dVnl3HqQJQyVwwyw0ukBiQj+EluziK15x1RBWi /i+xSkyBG71mRdbkEC6uIcXFxHYAc1jzO2edqSno69IAKzF0IYZYCjU0U/V8YmQ2QB N0GDlf+i6jNN9Yw4Uy6HjOEuqbixa9K2b/64RoCJJ/U9u/FiPCYd252Cf0aMFdqHDq bzB2ByPDDtorKZU8lw0ndQzCX2ZefnOfHmuzViRR0ylazJWHCckW5EVri+IIy4wm9o W18xHMOPeHtlfNmNVGdt40sjiXo2YrkTS7Sr3PY913jnm6garVhbv1Hzhzq3/ilRq/ 7wZ14yi8f0wXw== From: Tero Kristo To: u-boot@lists.denx.de, lokeshvutla@ti.com Cc: trini@konsulko.com, praneeth@ti.com, d-gerlach@ti.com Subject: [PATCHv4 22/26] arm: mach-k3: j721e_init: Force early probe of clk-k3 driver Date: Tue, 11 May 2021 11:31:00 +0300 Message-Id: <20210511083104.10868-23-kristo@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210511083104.10868-1-kristo@kernel.org> References: <20210511083104.10868-1-kristo@kernel.org> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.4 at phobos.denx.de X-Virus-Status: Clean From: Dave Gerlach Force the clk-k3 driver to probe early during R5 SPL boot to ensure the default system clock configuration is completed. Many other drivers assume a default state of the clock tree and it is currently possible for them to probe before clk-k3 depending on the exact system configuration. Signed-off-by: Dave Gerlach Reported-by: Keerthy Tested-by: Keerthy Signed-off-by: Tero Kristo --- arch/arm/mach-k3/j721e_init.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c index 1a4f796e5e..b5268372dd 100644 --- a/arch/arm/mach-k3/j721e_init.c +++ b/arch/arm/mach-k3/j721e_init.c @@ -180,6 +180,18 @@ void board_init_f(ulong dummy) k3_sysfw_loader(is_rom_loaded_sysfw(&bootdata), k3_mmc_stop_clock, k3_mmc_restart_clock); +#ifdef CONFIG_SPL_CLK_K3 + /* + * Force probe of clk_k3 driver here to ensure basic default clock + * configuration is always done. + */ + ret = uclass_get_device_by_driver(UCLASS_CLK, + DM_DRIVER_GET(ti_clk), + &dev); + if (ret) + panic("Failed to initialize clk-k3!\n"); +#endif + /* Prepare console output */ preloader_console_init();