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Thu, 8 Apr 2021 02:10:14 +0000 From: peng.fan@oss.nxp.com To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: [PATCH V3 7/8] remoteproc: imx_rproc: support i.MX7ULP Date: Thu, 8 Apr 2021 09:54:57 +0800 Message-Id: <1617846898-13662-8-git-send-email-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617846898-13662-1-git-send-email-peng.fan@oss.nxp.com> References: <1617846898-13662-1-git-send-email-peng.fan@oss.nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK2P15301CA0019.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::29) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by HK2P15301CA0019.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.4042.4 via Frontend Transport; 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Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index a7fa9d7fc2d1..b911a7539897 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -147,6 +147,14 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { { 0x40000000, 0x40000000, 0x80000000, 0 }, }; +static const struct imx_rproc_att imx_rproc_att_imx7ulp[] = { + {0x1FFD0000, 0x1FFD0000, 0x30000, ATT_OWN}, + {0x20000000, 0x20000000, 0x10000, ATT_OWN}, + {0x2F000000, 0x2F000000, 0x20000, ATT_OWN}, + {0x2F020000, 0x2F020000, 0x20000, ATT_OWN}, + {0x60000000, 0x60000000, 0x40000000, 0} +}; + static const struct imx_rproc_att imx_rproc_att_imx7d[] = { /* dev addr , sys addr , size , flags */ /* OCRAM_S (M4 Boot code) - alias */ @@ -207,6 +215,12 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .method = IMX_RPROC_MMIO, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx7ulp = { + .att = imx_rproc_att_imx7ulp, + .att_size = ARRAY_SIZE(imx_rproc_att_imx7ulp), + .method = IMX_RPROC_NONE, +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -598,12 +612,16 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) return ret; } - if (!(val & dcfg->src_stop)) { - priv->rproc->state = RPROC_DETACHED; + if (!(val & dcfg->src_stop)) priv->mode = IMX_RPROC_EARLY_BOOT; - } } + if (dcfg->method == IMX_RPROC_NONE) + priv->mode = IMX_RPROC_EARLY_BOOT; + + if (priv->mode == IMX_RPROC_EARLY_BOOT) + priv->rproc->state = RPROC_DETACHED; + return 0; } @@ -724,6 +742,7 @@ static int imx_rproc_remove(struct platform_device *pdev) } static const struct of_device_id imx_rproc_of_match[] = { + { .compatible = "fsl,imx7ulp-cm4", .data = &imx_rproc_cfg_imx7ulp }, { .compatible = "fsl,imx7d-cm4", .data = &imx_rproc_cfg_imx7d }, { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, -- 2.30.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,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 3FC8DC433B4 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan i.MX7ULP A7 core runs under control of M4 core, M4 core starts by ROM and powers most serivces used by A7 core, so A7 core has no power to start and stop M4 core. Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index a7fa9d7fc2d1..b911a7539897 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -147,6 +147,14 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { { 0x40000000, 0x40000000, 0x80000000, 0 }, }; +static const struct imx_rproc_att imx_rproc_att_imx7ulp[] = { + {0x1FFD0000, 0x1FFD0000, 0x30000, ATT_OWN}, + {0x20000000, 0x20000000, 0x10000, ATT_OWN}, + {0x2F000000, 0x2F000000, 0x20000, ATT_OWN}, + {0x2F020000, 0x2F020000, 0x20000, ATT_OWN}, + {0x60000000, 0x60000000, 0x40000000, 0} +}; + static const struct imx_rproc_att imx_rproc_att_imx7d[] = { /* dev addr , sys addr , size , flags */ /* OCRAM_S (M4 Boot code) - alias */ @@ -207,6 +215,12 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .method = IMX_RPROC_MMIO, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx7ulp = { + .att = imx_rproc_att_imx7ulp, + .att_size = ARRAY_SIZE(imx_rproc_att_imx7ulp), + .method = IMX_RPROC_NONE, +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -598,12 +612,16 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) return ret; } - if (!(val & dcfg->src_stop)) { - priv->rproc->state = RPROC_DETACHED; + if (!(val & dcfg->src_stop)) priv->mode = IMX_RPROC_EARLY_BOOT; - } } + if (dcfg->method == IMX_RPROC_NONE) + priv->mode = IMX_RPROC_EARLY_BOOT; + + if (priv->mode == IMX_RPROC_EARLY_BOOT) + priv->rproc->state = RPROC_DETACHED; + return 0; } @@ -724,6 +742,7 @@ static int imx_rproc_remove(struct platform_device *pdev) } static const struct of_device_id imx_rproc_of_match[] = { + { .compatible = "fsl,imx7ulp-cm4", .data = &imx_rproc_cfg_imx7ulp }, { .compatible = "fsl,imx7d-cm4", .data = &imx_rproc_cfg_imx7d }, { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel