From patchwork Sat Jun 6 23:21:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 199485 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=-7.0 required=3.0 tests=DATE_IN_FUTURE_06_12, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 5D326C433E1 for ; Sat, 6 Jun 2020 15:22:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33CF9207D3 for ; Sat, 6 Jun 2020 15:22:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="dBJbSvkt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728976AbgFFPWN (ORCPT ); Sat, 6 Jun 2020 11:22:13 -0400 Received: from mail-eopbgr80053.outbound.protection.outlook.com ([40.107.8.53]:14305 "EHLO EUR04-VI1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728912AbgFFPWH (ORCPT ); Sat, 6 Jun 2020 11:22:07 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WDrXSNOYbKaaSgjSJjYrmefXMa64wbXVzGncIEIqZZBKsvjqOPsQcu4Gge+DDmvwQ44adUMDydlW54jaWoovKOJsr1AT787U5KB+RuFR7FBnpsPt9OJk5vwPLa7eW/ExmKbx5MwWzIW0aZEs//bqjepsAwDWIaGxzRYJUNVQEyTEBm2sldwVNbWqxP5guIAYyeo2RFMXPjils1K2P2tqjJWYGnhrLTKgUQDkkY155rvV3IqXvMMR0IIGE/n5h+wWLQvDSgP8hKYCxZEMO2lXO9BWGrsxz4vgjkgYUUB9ElXRLGGyDMMeBN9F09/VJYwZoW6OJ8I+zu07gnVmIylswA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=E3U69uN0DL45TP1sCU2rBpvu0XorFo1Mf6dwI30ew/0=; b=epeRzBt4eFxeJ7ggGQGTvR+9NLz5zzQZnzStoLZlhFMDCnaG+/T2I4V9DkYEPxdIweXixfpCzVtRUz2Wo5C/tzr2gKODpsgh84h2OtNKVexQKYPVNXaWUPG1lpOFqIsW8SCqDwUyhie6ht+NFEO0uuSZ8qyBQgOvhgw3m/U+ys5cVFnzWjMrekBW7k+gGbtCbjj58rj69nvLPPGQYVj0cN9YCAnfnxM2oN9wcFuIcPO9s4kKj8nOHGtvejy+Vw0aLWYg7ee4ClKg6+6c04kCAQHT5ChApq+/AYO13FIbsvx19ofvADSOIDrv3PCeWrLJVihMGWW+lIwErdMLAQ7aAw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=E3U69uN0DL45TP1sCU2rBpvu0XorFo1Mf6dwI30ew/0=; b=dBJbSvktWXO/ITTCnJdxyAjOa5FM8BVU5kcnpLVV7YmkaD5iAEqRJ9nptwoBsX9CaQMCzHvLhkMAeFm3SdbfCdU3XrQadg7pb+QGX+MozFV5jLlafTxt4m8sE/9hJqkAeLrsZnOLzVeYq0CY97hpe28ycIU28OzzFyKxdYy/Rho= Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VE1PR04MB6429.eurprd04.prod.outlook.com (2603:10a6:803:11a::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18; Sat, 6 Jun 2020 15:22:02 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3066.019; Sat, 6 Jun 2020 15:22:02 +0000 From: Robin Gong To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com, vkoul@kernel.org, will.deacon@arm.com, shawnguo@kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, martin.fuzzey@flowbird.group, u.kleine-koenig@pengutronix.de, dan.j.williams@intel.com, matthias.schiffer@ew.tq-group.com Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, linux-imx@nxp.com, dmaengine@vger.kernel.org Subject: [PATCH v9 RESEND 10/13] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Date: Sun, 7 Jun 2020 07:21:14 +0800 Message-Id: <1591485677-20533-11-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591485677-20533-1-git-send-email-yibin.gong@nxp.com> References: <1591485677-20533-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR04CA0184.apcprd04.prod.outlook.com (2603:1096:4:14::22) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by SG2PR04CA0184.apcprd04.prod.outlook.com (2603:1096:4:14::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3066.18 via Frontend Transport; Sat, 6 Jun 2020 15:21:57 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 25c7d411-7cf0-4000-e367-08d80a2d5d32 X-MS-TrafficTypeDiagnostic: VE1PR04MB6429: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-Forefront-PRVS: 04267075BD X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: YahhH+4rntuBx1x78aCh1GqljcFagQB6xK4JJlgIXGctHW537z5fMdJkxlPzBiMfYErlZxcGO0uRoTRLAxdkcwr7OsP6gKEgTZutOhn52AY/SO9SaBG3M4LtIgHpisBgihNeXk4b0bERInVruRkJ/HIOy7iyk9bqukdCqG/QBi25JwN2UNGYC+16n1D+SGa1NCt+7M/Mtpp5r0EfLdQcycVr1+frjvLrK12VxSiLHHU6Zozg0QoxlvqS9W1e1aOu1FnlbmOlbRBoE8nDUdNYtztQbMPm7i7S+119fFteoN6dQzXRVlcnGkabgOPDx1fqzcYvvaF81LTqY/1g4RzJbPJwuu9tizi4eyO04yMBFidWAiWCp2RAIqBt8tdsUSDEdU8BxKk1LyB/49aY4WKdcOkZvATKJ6oBtSy8to+qA08+kmvCG4ukRKWtKZe/ku3oF3ywvDrSMrs3MOY58vJRLw== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VE1PR04MB6638.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(366004)(346002)(136003)(376002)(396003)(39860400002)(66946007)(52116002)(6512007)(66476007)(66556008)(6506007)(186003)(7416002)(16526019)(26005)(83380400001)(2906002)(86362001)(8936002)(956004)(8676002)(2616005)(6486002)(6666004)(316002)(4326008)(36756003)(478600001)(5660300002)(966005)(921003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: dGmDuj+Fw0YMwdwhmBtA50bV1hSgxCBI9z6D8l0mLlR40KIxy13c7JB79/oQhAn56gcvYQq3CVj5Sz1okIp5vit1p5bleTzVBc0ZqbacgrJD6A8hPhcvulkQov8PDC3r83KdAFOr6fUSGIXrAzy5G2IdXGkncFULT3YS8nl41acwaM60MBCwWTq4ElGVd79SpSfVOcPGzDbUDCQZUPTvmSb2m4vsjEMXtgXV3C/VXgtlvDGd6a5iKXwbzxtUnTRTDO3/R6WOV1pPOcMYigzOtKfZsIRP7HTeobTgji7n6SJFahBhcbgqlJk1NsMGkyo28r5pajoASy6CIqEwRC4dpp+nKnhwbjw45RHxTgcjy6odoQHadPPKFItPQdKfhkMExRp3qk7yGsciq+OxQcmUbK9cm3AtHwywQH46zWrd9kGb746zhAKhoVoZZL1pBY3mHY2xuIn3sq6/fa9Y7xL2h9yr2Xdox3Bgzgl7xOZ4rJE= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 25c7d411-7cf0-4000-e367-08d80a2d5d32 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2020 15:22:02.8426 (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-CrossTenant-UserPrincipalName: gqmPSMNOnFk5vKrGcy5er4A6gGB/FyheEGkKJ0Nx14+bq4QObX2ick6suGVYrY6SjtpTOv+LuS7h2pnnL8U3rg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6429 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org ECSPI issue fixed from i.mx6ul at hardware level, no need ERR009165 anymore on those chips such as i.mx8mq. Signed-off-by: Robin Gong Acked-by: Vinod Koul --- drivers/dma/imx-sdma.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index db4132f..be86ae8 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -419,6 +419,13 @@ struct sdma_driver_data { int num_events; struct sdma_script_start_addrs *script_addrs; bool check_ratio; + /* + * ecspi ERR009165 fixed should be done in sdma script + * and it has been fixed in soc from i.mx6ul. + * please get more information from the below link: + * https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf + */ + bool ecspi_fixed; }; struct sdma_engine { @@ -539,6 +546,13 @@ static struct sdma_driver_data sdma_imx6q = { .script_addrs = &sdma_script_imx6q, }; +static struct sdma_driver_data sdma_imx6ul = { + .chnenbl0 = SDMA_CHNENBL0_IMX35, + .num_events = 48, + .script_addrs = &sdma_script_imx6q, + .ecspi_fixed = true, +}; + static struct sdma_script_start_addrs sdma_script_imx7d = { .ap_2_ap_addr = 644, .uart_2_mcu_addr = 819, @@ -587,6 +601,9 @@ static const struct platform_device_id sdma_devtypes[] = { .name = "imx7d-sdma", .driver_data = (unsigned long)&sdma_imx7d, }, { + .name = "imx6ul-sdma", + .driver_data = (unsigned long)&sdma_imx6ul, + }, { .name = "imx8mq-sdma", .driver_data = (unsigned long)&sdma_imx8mq, }, { @@ -603,6 +620,7 @@ static const struct of_device_id sdma_dt_ids[] = { { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, }, { .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, }, { .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, }, + { .compatible = "fsl,imx6ul-sdma", .data = &sdma_imx6ul, }, { .compatible = "fsl,imx8mq-sdma", .data = &sdma_imx8mq, }, { /* sentinel */ } }; @@ -1169,8 +1187,17 @@ static int sdma_config_channel(struct dma_chan *chan) if (sdmac->peripheral_type == IMX_DMATYPE_ASRC_SP || sdmac->peripheral_type == IMX_DMATYPE_ASRC) sdma_set_watermarklevel_for_p2p(sdmac); - } else + } else { + /* + * ERR009165 fixed from i.mx6ul, no errata need, + * set bit31 to let sdma script skip the errata. + */ + if (sdmac->peripheral_type == IMX_DMATYPE_CSPI && + sdmac->direction == DMA_MEM_TO_DEV && + sdmac->sdma->drvdata->ecspi_fixed) + __set_bit(31, &sdmac->watermark_level); __set_bit(sdmac->event_id0, sdmac->event_mask); + } /* Address */ sdmac->shp_addr = sdmac->per_address;