From patchwork Tue Apr 30 10:19:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1093185 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="EBEGQINI"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 44tdPP1GYkz9s4V for ; Tue, 30 Apr 2019 20:41:45 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id BFD58C21EF0; 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Tue, 30 Apr 2019 10:19:32 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::3173:24:d401:2378]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::3173:24:d401:2378%6]) with mapi id 15.20.1835.018; Tue, 30 Apr 2019 10:19:32 +0000 From: Peng Fan To: "sbabic@denx.de" , "festevam@gmail.com" , "lukma@denx.de" Thread-Topic: [i.MX8MM+CCF 34/41] imx8m: soc: enable SCTR clock before timer init Thread-Index: AQHU/z4zkGQb+2Vv/UCfIvTbnKxRcQ== Date: Tue, 30 Apr 2019 10:19:32 +0000 Message-ID: <20190430103056.32537-35-peng.fan@nxp.com> References: <20190430103056.32537-1-peng.fan@nxp.com> In-Reply-To: <20190430103056.32537-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.16.4 x-clientproxiedby: HK0PR03CA0057.apcprd03.prod.outlook.com (2603:1096:203:52::21) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB5204; H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 0foFUIPeDAGq78mir+MC2yMN035X2Jz/PQQh7hGvml7lJ5ALhgtr1yb5jrnAet/h8obpWaW0S4v6zYR9qLCa83dCdx1SYFa9LhwqxJwpZyJfXq+jWu1UwinBBqIsM9KnUggPgJcXCcday0bxu8ClHVUL1M7Hzy+6VwdaaCmpAfs43cCM8nbvUivSDoryRBU6JpjBVlGIQK2LVd3//oNaaXYrRt9aVIzSf8BMjofBosIzr6siDeVilzZb22C5xQXpj8+aUxoOFLIzbNAnkC/NK8ODKLmOThUnZJwg2+IafUjIZ7Mo+IndIuv6EqYORlOeI77g3SJgV/Ed366Q5SR82UkXt0a2F/XOnbeMA/y183O9PKXw+rU1B+6lrey6JqLJREly6dPvFbbmgfKzgZap5xIZi70uhV5lQ/Gh1U4bIgo= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4a28b705-aaa3-43a8-880d-08d6cd555606 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Apr 2019 10:19:32.2994 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5204 Cc: "trini@konsulko.com" , "u-boot@lists.denx.de" , dl-uboot-imx , "sr@denx.de" Subject: [U-Boot] [i.MX8MM+CCF 34/41] imx8m: soc: enable SCTR clock before timer init X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 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" To i.MX8MM SCTR clock is disabled by ROM, so before timer init need to enable it. To i.MX8MQ, it does not hurt the clock is enabled again. Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index abf526bc68..ea83a495c2 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -234,6 +234,12 @@ static void imx_set_wdog_powerdown(bool enable) int arch_cpu_init(void) { + /* + * ROM might disable clock for SCTR, + * enable the clock before timer_init. + */ + if (IS_ENABLED(CONFIG_SPL_BUILD)) + clock_enable(CCGR_SCTR, 1); /* * Init timer at very early state, because sscg pll setting * will use it