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([fe80::5d07:911b:18e1:1525]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525%4]) with mapi id 15.20.1856.012; Tue, 7 May 2019 09:16:31 +0000 From: Robin Gong To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" CC: dl-linux-imx , "linux-spi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" Subject: [PATCH v3 09/14] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Thread-Topic: [PATCH v3 09/14] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Thread-Index: AQHVBLWPS151QmkLjkKpxV9/3Wj8wg== Date: Tue, 7 May 2019 09:16:31 +0000 Message-ID: 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Message-ID: <1557249513-4903-10-git-send-email-yibin.gong@nxp.com> References: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" Cc: dl-linux-imx , "linux-spi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" List-Id: devicetree@vger.kernel.org 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from VI1PR04MB4543.eurprd04.prod.outlook.com (20.177.55.90) by VI1PR04MB3184.eurprd04.prod.outlook.com (10.170.229.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1856.15; Tue, 7 May 2019 09:16:31 +0000 Received: from VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525%4]) with mapi id 15.20.1856.012; Tue, 7 May 2019 09:16:31 +0000 From: Robin Gong To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" Subject: [PATCH v3 09/14] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Thread-Topic: [PATCH v3 09/14] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Thread-Index: AQHVBLWPS151QmkLjkKpxV9/3Wj8wg== Date: Tue, 7 May 2019 09:16:31 +0000 Message-ID: <1557249513-4903-10-git-send-email-yibin.gong@nxp.com> References: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> In-Reply-To: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR04CA0088.apcprd04.prod.outlook.com (2603:1096:202:15::32) To VI1PR04MB4543.eurprd04.prod.outlook.com (2603:10a6:803:6d::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yibin.gong@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cc85cf58-79fe-46d9-89bf-08d6d2ccb19c x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; 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CT8O8Arxef0FuwlguPXA1D40wnLPb1nP5G44mr68pMaS7EBalGqcYLaGS9SkDtijlufu66Hn9Ef8xnnJa2aj7GpV2P00bl2ptrlYTWCVL1d7BoLENf8LnxtdSm39LWXMWNTWor5GxlGaxqVH8M47SQXP1npURzpuSGIoQvX6jIhjbsGSVURxlOlrdKEoFeROeQGJ8cYncK9S2AkoJ9gGqeCZYowvZ49Nl9++AYGS7knw/X0Xg3VON7FUt4J75j+hJDHvo6L9AoZSUnFH2pBxY5Q5iAQEf5O1R69YksQkLv8MczOl43WVTnBxLpQvfMGZy0spNyqtuRFHsfeu88lG4kfy+uWjpxZ368WNLegWwYuCmCts4eT9GPK8ZzPNP7E3iB7SdMpiU/F2KpGqz/v+5xAdXbHbzeC85aH5dM7yD2c= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc85cf58-79fe-46d9-89bf-08d6d2ccb19c X-MS-Exchange-CrossTenant-originalarrivaltime: 07 May 2019 09:16:31.6722 (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: VI1PR04MB3184 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190507_021652_176331_F5151834 X-CRM114-Status: GOOD ( 16.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-spi@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , "dmaengine@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org ECSPI issue fixed from i.mx6ul at hardware level, no need ERR009165 anymore on those chips such as i.mx8mq. Add i.mx6sx from where i.mx6ul source. Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 352b0d5..a495c7f 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 +546,31 @@ static struct sdma_driver_data sdma_imx6q = { .script_addrs = &sdma_script_imx6q, }; +static struct sdma_script_start_addrs sdma_script_imx6sx = { + .ap_2_ap_addr = 642, + .uart_2_mcu_addr = 817, + .mcu_2_app_addr = 747, + .uartsh_2_mcu_addr = 1032, + .mcu_2_shp_addr = 960, + .app_2_mcu_addr = 683, + .shp_2_mcu_addr = 891, + .spdif_2_mcu_addr = 1100, + .mcu_2_spdif_addr = 1134, +}; + +static struct sdma_driver_data sdma_imx6sx = { + .chnenbl0 = SDMA_CHNENBL0_IMX35, + .num_events = 48, + .script_addrs = &sdma_script_imx6sx, +}; + +static struct sdma_driver_data sdma_imx6ul = { + .chnenbl0 = SDMA_CHNENBL0_IMX35, + .num_events = 48, + .script_addrs = &sdma_script_imx6sx, + .ecspi_fixed = true, +}; + static struct sdma_script_start_addrs sdma_script_imx7d = { .ap_2_ap_addr = 644, .uart_2_mcu_addr = 819, @@ -584,9 +616,15 @@ static const struct platform_device_id sdma_devtypes[] = { .name = "imx6q-sdma", .driver_data = (unsigned long)&sdma_imx6q, }, { + .name = "imx6sx-sdma", + .driver_data = (unsigned long)&sdma_imx6sx, + }, { .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, }, { @@ -602,7 +640,9 @@ static const struct of_device_id sdma_dt_ids[] = { { .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, }, { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, }, { .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, }, + { .compatible = "fsl,imx6sx-sdma", .data = &sdma_imx6sx, }, { .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, }, + { .compatible = "fsl,imx6ul-sdma", .data = &sdma_imx6ul, }, { .compatible = "fsl,imx8mq-sdma", .data = &sdma_imx8mq, }, { /* sentinel */ } }; @@ -1166,8 +1206,17 @@ 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; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel