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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12141C433F5 for ; Tue, 17 May 2022 06:49:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=i3GSkkiWb5Z2sCOXGueYgMiI+KvwZmjQsbWXvibO5Nc=; b=O6kAt/G2YuniMB Zt/eOg3Z1SoFNhBGxznks//hrwhGGOPU2bSlXalCWSUYr35iRGWTo08tGLyVtEz6jWIMcKS0Dwxf7 dfgs3ZdaSBDfvOq/HZ7B0hgMms60gUgGmnX0QK/3Qvqen8/RyrTVxSUpAcCuDmVuBwwpHs3+kSonD jZ7kzJTuOU8mfAfy3YiqdB2+PikPua2kswsmthdY8ZFo7SyxwdalxzePS8xV+IpUDc4I5AgSKLWFr 2jd62ZbDQbr9SFsyHBUY03SIzItYCbr578k3cT36Go82yRuCFO3Hi1FBERv7rI4G7ZMMBhZTj5uxC FhDvfGrLuGR1MnwoXe5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nqr0L-00BsIX-5M; Tue, 17 May 2022 06:48:25 +0000 Received: from mail-dbaeur03on20609.outbound.protection.outlook.com ([2a01:111:f400:fe1a::609] helo=EUR03-DBA-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nqr0A-00BsC1-0y for linux-arm-kernel@lists.infradead.org; Tue, 17 May 2022 06:48:15 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=cMv8CQzmvQE50dbPMIJWfOwMcklV0+ARoD+H78VssR3kWRvYgmNMTwnGA70SteBKllxunIf0QdxneKJ8KoJOoQj/JtIfDEzQ63j1+QA+/d1B+YhutWHk1q3aNr7ulxaVC5CcqhlbeBDbICX9obt/j5PhPD95gxGtDLUYJS1e2wtZJi1bALbxMWjP7zHbyzssgz5qgFZNaeyIXPj0P/SQz2ajlkkzXC89yMARxiKT48jqrR8Ruv4BOsQDNmhsJmqYcoWN2+f6rihDBhnYg5ERg6WnyLsztelng4l0BDXGIWWbsn1RknoC6zaJYt2EZ3k10lOR8fhmWYtht2Psc0uipA== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=XzIIga4SKH3PAi57EQES3x6WD/56ITSVis1y1OOLy80=; b=VJgNUpQvPmAufI0+MF5s9qLzJMAD+w6/MnV5Ev3aE+voINW2rUBhFNbUWhgrx4s28f40fECNHx4u3RdtahhccBuSFrY/sJ+dFkvrsiAnB0sbUiJaNw+uo/n/wrLQQ5cy+9B9lo3Pe9IbgtSmC85AFoGW6Q2uMGC5Revr8tSRn8q6a6vlQHVdN1Oy8kP7k6b4vldd93kS3EHsU9qgHSWx3UrX08aHV5XHnkO2e/g+VeBzHniQsFccliLuZ7lnvJ/FzGc1F+t3O3YmfUdij+aULu8XVTsEE904xqaa/zt8yYpIMXM3gCDLZ+pEz7o3J/0fjgCe9xPNNde7jTi0/6PKPw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XzIIga4SKH3PAi57EQES3x6WD/56ITSVis1y1OOLy80=; b=mxKYkVoCJtWMMGL98+Wu58eIRINt5Iybj72/LoZGosMuAe3PfRmbJkhwqMPV/eJKPonuZbJPaZod6QYpJ3El4XheA6ovLyZsuvd0OFpws6nYDLWitJ9GQT/6P2NRkFGYidKfwm/7Jli41ZnodP6acO9KkcvEmpajCQSdOx7o01I= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DB6PR04MB3157.eurprd04.prod.outlook.com (2603:10a6:6:f::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5250.18; Tue, 17 May 2022 06:48:09 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5%7]) with mapi id 15.20.5250.014; Tue, 17 May 2022 06:48:09 +0000 From: "Peng Fan (OSS)" To: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: devicetree@vger.kernel.org, Peng Fan Subject: [PATCH V3 4/6] remoteproc: imx_rproc: support kicking Mcore from Linux for i.MX8QXP Date: Tue, 17 May 2022 14:49:35 +0800 Message-Id: <20220517064937.4033441-5-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220517064937.4033441-1-peng.fan@oss.nxp.com> References: <20220517064937.4033441-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SI2P153CA0005.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::11) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 36a491fc-be6f-45e7-cec2-08da37d13437 X-MS-TrafficTypeDiagnostic: DB6PR04MB3157:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DU0PR04MB9417.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230001)(4636009)(366004)(5660300002)(86362001)(83380400001)(66946007)(66476007)(6666004)(52116002)(1076003)(6486002)(2616005)(186003)(7416002)(38100700002)(66556008)(2906002)(8936002)(921005)(508600001)(38350700002)(316002)(26005)(6512007)(6506007)(4326008)(8676002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5UEF2fy1rfoydAejEQZh2rbua3H1a6WQPawAax247Fbbiq1K7zZFKWGlRLOp?= =?us-ascii?Q?4oLioZaM6bjtkRBM6HGdy9IaI+bwjhryDWYlpMHMdyyHjTB34rrpSq3fcOaU?= =?us-ascii?Q?8cD35teLr+jOR/DqNniWOYQMUt7z+FfaF6xtClF6TnaoMhMVm1q53a0Vmj+8?= =?us-ascii?Q?TVXxU3H8WCjG7cFdUvh2q3/wWvvBTefAXgmA4PJpcwKWoH/QiuvhWUYdp+rs?= =?us-ascii?Q?VpAxir/5/WSSnYn7J4VKAYBBU9rCGQPpLqhhEKYfXLbltj1wQ+rn8UD/8p5t?= =?us-ascii?Q?O9zLSj6eW2ORFknleyhFrF5Gu8jOERxa3uckvssE4Fsso/kP26JnzMcmjMdj?= =?us-ascii?Q?+l8coZyX5VMi0jOafIpEbzGHnxCqkPj7WqrYBWy/iFnfHz0MwTaNfoI8wAhR?= =?us-ascii?Q?5LO3YhuZBsBrruQzJgUf70fW4h/1FlQPgAO6OQ/PoFzTxNtvFmCjglL+uXRx?= =?us-ascii?Q?7ptiygZCNauSTl4/Hhv7keoPuB6HgULqAa4Nzany0Yn3MvhtLr6M9DL1CyTK?= =?us-ascii?Q?aY43pt04lfvf12g5XFNdnTQC4Wy/1lOgJ17kdL8My5ug0LxujytC8EmIFIMJ?= =?us-ascii?Q?2DJLOTAUfln6x1uQvmQDstXFvxqrAOZ7Sj3MjBmbgj2ss2cjCV9gN8/kBbBf?= =?us-ascii?Q?Juh8vcZTE0gnsNgmVDjUVCduuX9OyCWmRfur4C4/tzehbW7iwkwL6Ph+VRdx?= =?us-ascii?Q?o5OOvBqIWC0f390qPLl4MVu5fcIsGRaAHDBHZl/jfve1c3uEdlvIYrhTa8TI?= =?us-ascii?Q?ipY+TZ49MRVHb5nIem06WMDZ9oh7cWCMRwyjqzPEmnqK+xB5QamnL76BiGWY?= =?us-ascii?Q?iaXp5Vov2hF1Bfhf3smBDzWBGVgFLR7BdoY5Cky36vzcA5cGBhpUoCPd9zGk?= =?us-ascii?Q?4Xg1eGv4at6gp+SgKcphvTo4MKygA+A3b0Ib6I91rDzMF5ZOyLdkRWxbfnNq?= =?us-ascii?Q?jCyLtj9mqqIHQkDCiP0SFiF+4qb7ti1nucttdBCHp23BWoS1Ucf5v2gt4prP?= =?us-ascii?Q?F9xLLPIKNBSxEg2lBRfNbMQ37Wi4wSMBuiQ0apBW/4iQhpbcigjsqNmMsYrI?= =?us-ascii?Q?zcHfGBVVyqmG2Mdt3mWq5Xcd45cUl9LQvyN1IHEHg1AVoltUoVAm6KgkD7kt?= =?us-ascii?Q?2wITnPtuUBAFiq6dkIcxxJq3AAspUHMIVsONdQaWITIYu8sQpTBIU4PE78kM?= =?us-ascii?Q?nq8Tx7FEDac53U4RiUkPHtltdFgcpfhfq6BFq81TNAMf/xKxnMUxxmUzY36e?= =?us-ascii?Q?IJ9CKwLK38BQFCBtI01FRPrzsTfHvR+cU3y554vBMbZMkb95XeIp5HaCs7o2?= =?us-ascii?Q?5+KQNT0lJo75g1RckhgJBuqyslIp/lTFPQN1iZYu3JDHTfShDqU9EUjkBryw?= =?us-ascii?Q?Kb1GcxogBui2U4r8INLVTB2pcwiBhgOIEnIl7R5hMTJQBng8ylyMfpCzDP7Z?= =?us-ascii?Q?aZf/VVNaaugMQ6MIfL8ON5bs818e/afKC5x15W4pVWlBr/N9CGeb7VwjX3b2?= =?us-ascii?Q?TF/1Aiy8Qdy+CHU5UQxyDvVEo/8gfg8+gv7xR+lvKnGSs+AyCZLlhV3/13mX?= =?us-ascii?Q?6wrPcTVR3n6GcP9ka+onnAxTqsSN3KEPz+2xdJXGZDZc6zN1xUqmXXhiiMT7?= =?us-ascii?Q?BBRY2NS6w3XRepwEWePvHPG3UdOXkpoKxopsesazUZf8mhmXD/MscO7YXXfV?= =?us-ascii?Q?KOzxevAZ0ZUg6q07gGiMsmL13SVPuiXmehSsHRxLRbFQc7aRiEJvzCZLV+Cs?= =?us-ascii?Q?cKTK27EIuA=3D=3D?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 36a491fc-be6f-45e7-cec2-08da37d13437 X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 May 2022 06:48:09.2455 (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: ww1N84zVXRaGyIL1WX6cdI4zch4izf4kGqckSf9xFGd9biQlCevhnJymYB/0qKtz39rGhWX7x/ef9hmD17x5wg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR04MB3157 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220516_234814_160476_FCE409BD X-CRM114-Status: GOOD ( 19.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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 When M4 is in the same hardware partition with Cortex-A, it could be start/stop by Linux. Added power domain to make sure M4 could run, it requires several power domains to work. Make clk always optional for i.MX8QXP, because SCFW handles it when power up M4 core. Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 69 +++++++++++++++++++++++++++++++++- 1 file changed, 67 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 2e751fc90760..49cce9dd55c7 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -96,6 +97,10 @@ struct imx_rproc { struct notifier_block rproc_nb; u32 rproc_pt; /* partition id */ u32 rsrc_id; /* resource id */ + u32 entry; /* cpu start address */ + int num_pd; + struct device **pd_dev; + struct device_link **pd_dev_link; }; static const struct imx_rproc_att imx_rproc_att_imx93[] = { @@ -335,6 +340,9 @@ static int imx_rproc_start(struct rproc *rproc) arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_START, 0, 0, 0, 0, 0, 0, &res); ret = res.a0; break; + case IMX_RPROC_SCU_API: + ret = imx_sc_pm_cpu_start(priv->ipc_handle, priv->rsrc_id, true, priv->entry); + break; default: return -EOPNOTSUPP; } @@ -364,6 +372,9 @@ static int imx_rproc_stop(struct rproc *rproc) if (res.a1) dev_info(dev, "Not in wfi, force stopped\n"); break; + case IMX_RPROC_SCU_API: + ret = imx_sc_pm_cpu_start(priv->ipc_handle, priv->rsrc_id, false, priv->entry); + break; default: return -EOPNOTSUPP; } @@ -724,6 +735,56 @@ static int imx_rproc_partition_notify(struct notifier_block *nb, return 0; } +static int imx_rproc_attach_pd(struct imx_rproc *priv) +{ + struct device *dev = priv->dev; + int ret, i; + + priv->num_pd = of_count_phandle_with_args(dev->of_node, "power-domains", + "#power-domain-cells"); + if (priv->num_pd < 0) + return priv->num_pd; + + if (!priv->num_pd) + return 0; + + priv->pd_dev = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev), GFP_KERNEL); + if (!priv->pd_dev) + return -ENOMEM; + + priv->pd_dev_link = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev_link), + GFP_KERNEL); + + if (!priv->pd_dev_link) + return -ENOMEM; + + for (i = 0; i < priv->num_pd; i++) { + priv->pd_dev[i] = dev_pm_domain_attach_by_id(dev, i); + if (IS_ERR(priv->pd_dev[i])) { + ret = PTR_ERR(priv->pd_dev[i]); + goto detach_pd; + } + + priv->pd_dev_link[i] = device_link_add(dev, priv->pd_dev[i], DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); + if (!priv->pd_dev_link[i]) { + dev_pm_domain_detach(priv->pd_dev[i], false); + ret = -EINVAL; + goto detach_pd; + } + } + + return 0; + +detach_pd: + while (--i >= 0) { + device_link_del(priv->pd_dev_link[i]); + dev_pm_domain_detach(priv->pd_dev[i], false); + } + + return ret; +} + static int imx_rproc_detect_mode(struct imx_rproc *priv) { struct regmap_config config = { .name = "imx-rproc" }; @@ -758,8 +819,12 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) * If Mcore resource is not owned by Acore partition, It is kicked by ROM, * and Linux could only do IPC with Mcore and nothing else. */ - if (imx_sc_rm_is_resource_owned(priv->ipc_handle, priv->rsrc_id)) - return 0; + if (imx_sc_rm_is_resource_owned(priv->ipc_handle, priv->rsrc_id)) { + if (of_property_read_u32(dev->of_node, "fsl,entry-address", &priv->entry)) + return -EINVAL; + + return imx_rproc_attach_pd(priv); + } priv->rproc->state = RPROC_DETACHED; priv->rproc->recovery_disabled = true; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel