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Thu, 8 Apr 2021 02:09:46 +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 1/8] dt-bindings: remoteproc: imx_rproc: add fsl,auto-boot property Date: Thu, 8 Apr 2021 09:54:51 +0800 Message-Id: <1617846898-13662-2-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> 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 Acked-by: Rob Herring --- .../devicetree/bindings/remoteproc/fsl,imx-rproc.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml index 208a628f8d6c..b13bf8d70488 100644 --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml @@ -49,6 +49,12 @@ properties: minItems: 1 maxItems: 32 + fsl,auto-boot: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicate whether need to load the default firmware and start the remote + processor automatically. + required: - compatible - clocks From patchwork Thu Apr 8 01:54:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12189813 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=-16.7 required=3.0 tests=BAYES_00,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 A5DF1C433ED for ; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b404c2a2-cf01-400b-e851-08d8fa336498 X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2021 02:09:51.4492 (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: RHvmQAXoGDCThaGvV/KToYFaJc4wouIfQZSCGqJRfKpTqlq+pvd53Qw9DE5NaA3l0RUBI2KPRu/BXr67w3ZzQg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR04MB3128 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Peng Fan Add i.MX7ULP compatible. We use i.MX7ULP dual mode and in which case 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. So clocks and syscon are not required. Signed-off-by: Peng Fan Acked-by: Rob Herring --- .../devicetree/bindings/remoteproc/fsl,imx-rproc.yaml | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml index b13bf8d70488..58bc2a23f97b 100644 --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml @@ -18,6 +18,7 @@ properties: - fsl,imx8mq-cm4 - fsl,imx8mm-cm4 - fsl,imx7d-cm4 + - fsl,imx7ulp-cm4 - fsl,imx6sx-cm4 clocks: @@ -57,8 +58,6 @@ properties: required: - compatible - - clocks - - syscon additionalProperties: false From patchwork Thu Apr 8 01:54:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12189815 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=-16.7 required=3.0 tests=BAYES_00,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 AADA9C433ED for ; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 51d119d7-05f6-4dce-4d4b-08d8fa33677e X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2021 02:09:56.2950 (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: /atEK6pPOBPrLVPsBJIX63B9P0pQ/oFPu5z1K9JV86NPUwLHUtQOJSUd5Q+iOlFVzI3jug8wCTV5hfL4LBnrKQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR04MB3128 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Peng Fan Add i.MX8MN/P remote processor(Cortex-M7) compatible string Signed-off-by: Peng Fan Acked-by: Rob Herring --- Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml index 58bc2a23f97b..1dc34cf5a4ea 100644 --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml @@ -17,6 +17,8 @@ properties: enum: - fsl,imx8mq-cm4 - fsl,imx8mm-cm4 + - fsl,imx8mn-cm7 + - fsl,imx8mp-cm7 - fsl,imx7d-cm4 - fsl,imx7ulp-cm4 - fsl,imx6sx-cm4 From patchwork Thu Apr 8 01:54:54 2021 Content-Type: text/plain; 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Thu, 8 Apr 2021 02:10:01 +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 4/8] remoteproc: imx_rproc: make clk optional Date: Thu, 8 Apr 2021 09:54:54 +0800 Message-Id: <1617846898-13662-5-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> 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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Reviewed-by: Richard Zhu Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index d6338872c6db..ca17f520d904 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -635,7 +635,7 @@ static int imx_rproc_probe(struct platform_device *pdev) if (ret) goto err_put_mbox; - priv->clk = devm_clk_get(dev, NULL); + priv->clk = devm_clk_get_optional(dev, NULL); if (IS_ERR(priv->clk)) { dev_err(dev, "Failed to get clock\n"); ret = PTR_ERR(priv->clk); From patchwork Thu Apr 8 01:54:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12189819 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=-16.7 required=3.0 tests=BAYES_00,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=ham 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 74BFBC433B4 for ; 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When remote processor is booted before Linux Kernel up, do not parse fsl,auto-boot. So add an entry to store the working mode of remote processor. Currently only IMX_RPROC_NORMAL, IMX_RPROC_EARLY_BOOT. Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index ca17f520d904..c576e12d3817 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -83,6 +83,16 @@ struct imx_rproc_dcfg { size_t att_size; }; +enum imx_rproc_mode { + /* Linux load/kick remote core */ + IMX_RPROC_NORMAL, + /* + * remote core booted before kicking Linux, and remote core + * could be stopped & restarted by Linux + */ + IMX_RPROC_EARLY_BOOT, +}; + struct imx_rproc { struct device *dev; struct regmap *regmap; @@ -96,6 +106,7 @@ struct imx_rproc { struct work_struct rproc_work; struct workqueue_struct *workqueue; void __iomem *rsc_table; + enum imx_rproc_mode mode; }; static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { @@ -565,14 +576,18 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) int ret; u32 val; + priv->mode = IMX_RPROC_NORMAL; + ret = regmap_read(priv->regmap, dcfg->src_reg, &val); if (ret) { dev_err(dev, "Failed to read src\n"); return ret; } - if (!(val & dcfg->src_stop)) + if (!(val & dcfg->src_stop)) { + priv->mode = IMX_RPROC_EARLY_BOOT; priv->rproc->state = RPROC_DETACHED; + } return 0; } @@ -654,6 +669,9 @@ static int imx_rproc_probe(struct platform_device *pdev) INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); + if (priv->mode == IMX_RPROC_NORMAL) + rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot"); + ret = rproc_add(rproc); if (ret) { dev_err(dev, "rproc_add failed\n"); From patchwork Thu Apr 8 01:54:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12189821 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,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, 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 371B8C43461 for ; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 93e5d837-f425-4876-0864-08d8fa336fa0 X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2021 02:10:09.7659 (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: JA1ZzX6IpyqI0iazmq8PD3esJuhVz/BkAND4McCbR11cKbMasrbFBr3rUA0/IYt7x++m0fazqW+mVy1oN3Af9A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB6857 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Peng Fan Add three methods IMX_RPROC_NONE(no need start/stop), IMX_RPROC_MMIO (start/stop through mmio) and IMX_RPROC_SMC(start/stop through ARM SMCCC). The current SoCs supported are all using IMX_RPROC_MMIO, add a restrict in probe that only SoCs using IMX_RPROC_MMIO needs syscon regmap to access registers. Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 50 +++++++++++++++++++++++----------- 1 file changed, 34 insertions(+), 16 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index c576e12d3817..a7fa9d7fc2d1 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -74,6 +74,15 @@ struct imx_rproc_att { int flags; }; +/* Remote core start/stop method */ +enum imx_rproc_method { + IMX_RPROC_NONE, + /* Through syscon regmap */ + IMX_RPROC_MMIO, + /* Through ARM SMCCC */ + IMX_RPROC_SMC, +}; + struct imx_rproc_dcfg { u32 src_reg; u32 src_mask; @@ -81,6 +90,7 @@ struct imx_rproc_dcfg { u32 src_stop; const struct imx_rproc_att *att; size_t att_size; + enum imx_rproc_method method; }; enum imx_rproc_mode { @@ -194,6 +204,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx8mq, .att_size = ARRAY_SIZE(imx_rproc_att_imx8mq), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { @@ -203,6 +214,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx7d, .att_size = ARRAY_SIZE(imx_rproc_att_imx7d), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { @@ -212,6 +224,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { .src_stop = IMX6SX_M4_STOP, .att = imx_rproc_att_imx6sx, .att_size = ARRAY_SIZE(imx_rproc_att_imx6sx), + .method = IMX_RPROC_MMIO, }; static int imx_rproc_start(struct rproc *rproc) @@ -578,15 +591,17 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) priv->mode = IMX_RPROC_NORMAL; - ret = regmap_read(priv->regmap, dcfg->src_reg, &val); - if (ret) { - dev_err(dev, "Failed to read src\n"); - return ret; - } + if (priv->regmap) { + ret = regmap_read(priv->regmap, dcfg->src_reg, &val); + if (ret) { + dev_err(dev, "Failed to read src\n"); + return ret; + } - if (!(val & dcfg->src_stop)) { - priv->mode = IMX_RPROC_EARLY_BOOT; - priv->rproc->state = RPROC_DETACHED; + if (!(val & dcfg->src_stop)) { + priv->rproc->state = RPROC_DETACHED; + priv->mode = IMX_RPROC_EARLY_BOOT; + } } return 0; @@ -600,16 +615,9 @@ static int imx_rproc_probe(struct platform_device *pdev) struct rproc *rproc; struct regmap_config config = { .name = "imx-rproc" }; const struct imx_rproc_dcfg *dcfg; - struct regmap *regmap; + struct regmap *regmap = NULL; int ret; - regmap = syscon_regmap_lookup_by_phandle(np, "syscon"); - if (IS_ERR(regmap)) { - dev_err(dev, "failed to find syscon\n"); - return PTR_ERR(regmap); - } - regmap_attach_dev(dev, regmap, &config); - /* set some other name then imx */ rproc = rproc_alloc(dev, "imx-rproc", &imx_rproc_ops, NULL, sizeof(*priv)); @@ -622,6 +630,16 @@ static int imx_rproc_probe(struct platform_device *pdev) goto err_put_rproc; } + if (dcfg->method == IMX_RPROC_MMIO) { + regmap = syscon_regmap_lookup_by_phandle(np, "syscon"); + if (IS_ERR(regmap)) { + dev_err(dev, "failed to find syscon\n"); + ret = PTR_ERR(regmap); + goto err_put_rproc; + } + regmap_attach_dev(dev, regmap, &config); + } + priv = rproc->priv; priv->rproc = rproc; priv->regmap = regmap; From patchwork Thu Apr 8 01:54:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12189823 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=-16.7 required=3.0 tests=BAYES_00,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=ham 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 A8A00C433B4 for ; Thu, 8 Apr 2021 02:10:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C003611BE for ; 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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 }, From patchwork Thu Apr 8 01:54:58 2021 Content-Type: text/plain; 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Thu, 8 Apr 2021 02:10:18 +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 8/8] remoteproc: imx_rproc: support i.MX8MN/P Date: Thu, 8 Apr 2021 09:54:58 +0800 Message-Id: <1617846898-13662-9-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> 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 | 89 +++++++++++++++++++++++++++++++--- 1 file changed, 82 insertions(+), 7 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index b911a7539897..9351626f09c0 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -3,6 +3,7 @@ * Copyright (c) 2017 Pengutronix, Oleksij Rempel */ +#include #include #include #include @@ -50,6 +51,11 @@ #define IMX_RPROC_MEM_MAX 32 +#define IMX_SIP_RPROC 0xC2000005 +#define IMX_SIP_RPROC_START 0x00 +#define IMX_SIP_RPROC_STARTED 0x01 +#define IMX_SIP_RPROC_STOP 0x02 + /** * struct imx_rproc_mem - slim internal memory structure * @cpu_addr: MPU virtual address of the memory region @@ -119,6 +125,36 @@ struct imx_rproc { enum imx_rproc_mode mode; }; +static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { + /* dev addr , sys addr , size , flags */ + /* ITCM */ + { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN }, + /* OCRAM_S */ + { 0x00180000, 0x00180000, 0x00009000, 0 }, + /* OCRAM */ + { 0x00900000, 0x00900000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00920000, 0x00920000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00940000, 0x00940000, 0x00050000, 0 }, + /* QSPI Code - alias */ + { 0x08000000, 0x08000000, 0x08000000, 0 }, + /* DDR (Code) - alias */ + { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, + /* DTCM */ + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + /* OCRAM_S - alias */ + { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, + /* OCRAM */ + { 0x20200000, 0x00900000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20220000, 0x00920000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20240000, 0x00940000, 0x00040000, ATT_OWN }, + /* DDR (Data) */ + { 0x40000000, 0x40000000, 0x80000000, 0 }, +}; + static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* dev addr , sys addr , size , flags */ /* TCML - alias */ @@ -205,6 +241,12 @@ static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { { 0x80000000, 0x80000000, 0x60000000, 0 }, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mn = { + .att = imx_rproc_att_imx8mn, + .att_size = ARRAY_SIZE(imx_rproc_att_imx8mn), + .method = IMX_RPROC_SMC, +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -246,12 +288,24 @@ static int imx_rproc_start(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_start); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_start); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_START, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to enable M4!\n"); + dev_err(dev, "Failed to enable remote cores!\n"); return ret; } @@ -261,12 +315,26 @@ static int imx_rproc_stop(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_stop); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_stop); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STOP, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + if (res.a1) + dev_info(dev, "Not in wfi, force stopped\n"); + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to stop M4!\n"); + dev_err(dev, "Failed to stop remote cores\n"); return ret; } @@ -600,6 +668,7 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; u32 val; @@ -616,8 +685,12 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) priv->mode = IMX_RPROC_EARLY_BOOT; } - if (dcfg->method == IMX_RPROC_NONE) + if (dcfg->method == IMX_RPROC_NONE) { priv->mode = IMX_RPROC_EARLY_BOOT; + } else if (dcfg->method == IMX_RPROC_SMC) { + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STARTED, 0, 0, 0, 0, 0, 0, &res); + priv->mode = res.a0 ? IMX_RPROC_EARLY_BOOT : IMX_RPROC_NORMAL; + } if (priv->mode == IMX_RPROC_EARLY_BOOT) priv->rproc->state = RPROC_DETACHED; @@ -747,6 +820,8 @@ static const struct of_device_id imx_rproc_of_match[] = { { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, { .compatible = "fsl,imx8mm-cm4", .data = &imx_rproc_cfg_imx8mq }, + { .compatible = "fsl,imx8mn-cm7", .data = &imx_rproc_cfg_imx8mn }, + { .compatible = "fsl,imx8mp-cm7", .data = &imx_rproc_cfg_imx8mn }, {}, }; MODULE_DEVICE_TABLE(of, imx_rproc_of_match);