From owner-svn-src-all@freebsd.org Wed Jan 4 00:18:39 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B7243C9EC89; Wed, 4 Jan 2017 00:18:39 +0000 (UTC) (envelope-from loos@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7B2FE17F7; Wed, 4 Jan 2017 00:18:39 +0000 (UTC) (envelope-from loos@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v040IctZ075911; Wed, 4 Jan 2017 00:18:38 GMT (envelope-from loos@FreeBSD.org) Received: (from loos@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v040IchN075910; Wed, 4 Jan 2017 00:18:38 GMT (envelope-from loos@FreeBSD.org) Message-Id: <201701040018.v040IchN075910@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: loos set sender to loos@FreeBSD.org using -f From: Luiz Otavio O Souza Date: Wed, 4 Jan 2017 00:18:38 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r311203 - stable/11/sys/arm/ti/am335x X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jan 2017 00:18:39 -0000 Author: loos Date: Wed Jan 4 00:18:38 2017 New Revision: 311203 URL: https://svnweb.freebsd.org/changeset/base/311203 Log: Fixes the sensor initialization, always reset the digital outputs on start. Obtained from: pfSense Sponsored by: Rubicon Communications, LLC (Netgate) Modified: stable/11/sys/arm/ti/am335x/am335x_scm.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/arm/ti/am335x/am335x_scm.c ============================================================================== --- stable/11/sys/arm/ti/am335x/am335x_scm.c Tue Jan 3 23:28:07 2017 (r311202) +++ stable/11/sys/arm/ti/am335x/am335x_scm.c Wed Jan 4 00:18:38 2017 (r311203) @@ -110,11 +110,14 @@ am335x_scm_attach(device_t dev) struct sysctl_oid_list *tree; uint32_t reg; - /* Set ADC to continous mode, clear output reset. */ - reg = SCM_BGAP_CLRZ | SCM_BGAP_CONTCONV; - ti_scm_reg_write_4(SCM_BGAP_CTRL, reg); - /* Flush write. */ + /* Reset the digital outputs. */ + ti_scm_reg_write_4(SCM_BGAP_CTRL, 0); + ti_scm_reg_read_4(SCM_BGAP_CTRL, ®); + DELAY(500); + /* Set continous mode. */ + ti_scm_reg_write_4(SCM_BGAP_CTRL, SCM_BGAP_CONTCONV); ti_scm_reg_read_4(SCM_BGAP_CTRL, ®); + DELAY(500); /* Start the ADC conversion. */ reg = SCM_BGAP_CLRZ | SCM_BGAP_CONTCONV | SCM_BGAP_SOC; ti_scm_reg_write_4(SCM_BGAP_CTRL, reg);