From patchwork Sun Nov 22 16:16:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 1404515 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; dmarc=pass (p=quarantine dis=none) header.from=libero.it Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=libero.it header.i=@libero.it header.a=rsa-sha256 header.s=s2014 header.b=oY1+8MN+; 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 4CfFmn5K41z9sT6 for ; Mon, 23 Nov 2020 03:17:29 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id F22C182580; Sun, 22 Nov 2020 17:17:23 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=libero.it 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=libero.it header.i=@libero.it header.b="oY1+8MN+"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id C7AE6825C3; Sun, 22 Nov 2020 17:17:17 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_SPF_HELO,FREEMAIL_FROM, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from libero.it (smtp-31.italiaonline.it [213.209.10.31]) (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 554D88257F for ; Sun, 22 Nov 2020 17:17:11 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=libero.it Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=dariobin@libero.it Received: from passgat-Modern-14-A10M.homenet.telecomitalia.it ([87.2.94.187]) by smtp-31.iol.local with ESMTPA id gs31kH3pbQgqqgs34knAxH; Sun, 22 Nov 2020 17:17:11 +0100 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2014; t=1606061831; bh=za2EbU86VCFE/qbbLdlpqTQ1PLdQ9iAHbP1Df+z7Feo=; h=From; b=oY1+8MN+oiLigCr6NBtXLDDcMyNQlEgN1jTFVobeIjnpMT1fVoenXjFPz+KNciuMz hhXmgrgtXAt73mXkO0T1geXYLFpV+dfYfVNohd5C7RjTsMItrcffURL7XKRzf25Os5 cZfw6aPsmuVhUEYowI1F2VB8P46n1PKbXmx45cXQTXo0lKzgSNebB2e4mr7k8i0BRn q4+Y3izwEKwoztydLAhxtl9PtBGAac1eURZYxQ5k7hKfeL+V/kj3N8FRkdSBuw9jUc UdyNjz60PJQSlYk67eSNZ3o2LH4RdOHJpPyz6RbyVkEt1MgbonEkcZSlFQBjmk2VTu GdhUBt2e7Hqpg== X-CNFS-Analysis: v=2.4 cv=K4fnowaI c=1 sm=1 tr=0 ts=5fba8f07 a=/8YHF75YQ9f7f3UrJFxoKA==:117 a=/8YHF75YQ9f7f3UrJFxoKA==:17 a=Oj4l5q2oWNqs8PrQqXwA:9 From: Dario Binacchi To: u-boot@lists.denx.de Cc: Dario Binacchi , Lokesh Vutla Subject: [PATCH v6 18/28] omap: timer: fix the rate setting Date: Sun, 22 Nov 2020 17:16:26 +0100 Message-Id: <20201122161636.14587-19-dariobin@libero.it> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4xfATJa6t/8jUHubyCpCOhQQJx3mMkwOsveMM7je8tMx6sAZmJVdRcBWOBczoshL//5XhOJL5MngDjDt+JiGsdxgr0SmYXN9oHUHc92J2ZxNlBCUUEBEhd 4RCETuI4phf3bugaeqhvznR5xYXug/XMAUvaS6r5seNC5NdZxT//71XWpI8dLLg7mN3IZRCYPZJiVTbWYXGIMgid2q1VDUNgluMQ8QfGAQ6xnW0hNedv/nXB YmeKtqk3CgwJv37nuoA+rXlgOEDQKIw/14tOyqhHhWRhIQVNW16nWKMRXykvwojk 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 0.102.3 at phobos.denx.de X-Virus-Status: Clean The prescaler (PTV) setting must be taken into account even when the timer input clock frequency has been set. Signed-off-by: Dario Binacchi --- (no changes since v1) drivers/timer/omap-timer.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/timer/omap-timer.c b/drivers/timer/omap-timer.c index 4eecb3e64d..c08cb5ad2e 100644 --- a/drivers/timer/omap-timer.c +++ b/drivers/timer/omap-timer.c @@ -19,8 +19,6 @@ #define TCLR_PRE_EN BIT(5) /* Pre-scaler enable */ #define TCLR_PTV_SHIFT (2) /* Pre-scaler shift value */ -#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV)) - struct omap_gptimer_regs { unsigned int tidr; /* offset 0x00 */ unsigned char res1[12]; @@ -61,7 +59,9 @@ static int omap_timer_probe(struct udevice *dev) struct omap_timer_priv *priv = dev_get_priv(dev); if (!uc_priv->clock_rate) - uc_priv->clock_rate = TIMER_CLOCK; + uc_priv->clock_rate = V_SCLK; + + uc_priv->clock_rate /= (2 << CONFIG_SYS_PTV); /* start the counter ticking up, reload value on overflow */ writel(0, &priv->regs->tldr);