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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 A5D5FC388F9 for ; Thu, 19 Nov 2020 08:33:07 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 43D6A20BED for ; Thu, 19 Nov 2020 08:33:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="tf2/XR1D" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 43D6A20BED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xilinx.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EFB776E575; Thu, 19 Nov 2020 08:32:53 +0000 (UTC) Received: from NAM04-BN3-obe.outbound.protection.outlook.com (mail-eopbgr680088.outbound.protection.outlook.com [40.107.68.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4C2316E4DE for ; Wed, 18 Nov 2020 23:48:29 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=W7ddRjjAxDJsq6cVUJDz9iVw1icYFrZOkHZyPm5UqRxStyhxkmOcr3hqjq9bz3L190FtYC5d9eOgvl7ldvRjSNoZCn1NdAlJZvPasOUH7IlQpdTYo2PAZnvjeC9ifDOyefdCVRnZm2Eq/TjgBe1UPuPAEa2byVT6ySaDTsjsDffwwHm9QpEx8KX9wXVYegIbijpSq5thVjYS/MyB1dWF4U9AhvSI2nfbPD/kK/jQwic8tUb78SWddaO8gPOfjsmdTeQNTz3V6MJQ8adKymOjdg4v8EaGIAtHWfuWSPeAfvPbgf67XQb/D+mKpUwMmA6+e48B+gTsqfzuKKojqB98AQ== 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=s9/IsjCOTiTkt0pSphdZ4YBLSL+jBXL0pj09EddTBEY=; b=Fmc1pGA6o95QqL4pMW5y6KYG/xgc3WhzWh61SAKnFQRW+JUX777vdRU/VgKyJKLFoWQPRK5InxG+M75wzA+erJf2H501ts4nQHtUoMWQLENaXTphnITwkI9EjgSa+oZ/nz4f12nogWpGt9Tk438cZU8y9s6jypPXf55eWz0YpUygLcjt/YF/tlI3neIc9AhIii3ExY2xW48PRU+Qziulzf+u7NCOF3NfevAipQBx+nKhoXv668DvduO89lJ6eWWIBxbexlnsQNWBaSD5l0q5frgUcjvJ5TfPMDkzxzGBRDBiSrSud71mKqqs8rhf40UsBFd2o7+wgqYYgM7iHKh84w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.62.198) smtp.rcpttodomain=kernel.org smtp.mailfrom=xilinx.com; dmarc=bestguesspass action=none header.from=xilinx.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=s9/IsjCOTiTkt0pSphdZ4YBLSL+jBXL0pj09EddTBEY=; b=tf2/XR1DF/9SrbUkCfPTQXnnO+0KKvITJoROt96bmvqXtUSungIMVOCRHMS05aFlD/egaOI53fzeAL7LUOdKpgYNH/SyLeZKDp/L3a3U74WLcTjAeunoG4Yh6ij67K+RyQvsjBZXCKzof4U6ou2AUZ19KcZUR3zdgjfDP19GrTk= Received: from DM6PR12CA0012.namprd12.prod.outlook.com (2603:10b6:5:1c0::25) by BL0PR02MB6499.namprd02.prod.outlook.com (2603:10b6:208:1c5::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.20; Wed, 18 Nov 2020 23:48:26 +0000 Received: from CY1NAM02FT052.eop-nam02.prod.protection.outlook.com (2603:10b6:5:1c0:cafe::8a) by DM6PR12CA0012.outlook.office365.com (2603:10b6:5:1c0::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.20 via Frontend Transport; Wed, 18 Nov 2020 23:48:25 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 149.199.62.198) smtp.mailfrom=xilinx.com; kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.62.198 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.62.198; helo=xsj-pvapexch02.xlnx.xilinx.com; Received: from xsj-pvapexch02.xlnx.xilinx.com (149.199.62.198) by CY1NAM02FT052.mail.protection.outlook.com (10.152.74.123) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.3589.20 via Frontend Transport; Wed, 18 Nov 2020 23:48:25 +0000 Received: from xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Wed, 18 Nov 2020 15:48:11 -0800 Received: from smtp.xilinx.com (172.19.127.96) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server id 15.1.1913.5 via Frontend Transport; Wed, 18 Nov 2020 15:48:11 -0800 Envelope-to: michal.simek@xilinx.com, derek.kiernan@xilinx.com, dragan.cvetic@xilinx.com, rajan.vaja@xilinx.com, tejas.patel@xilinx.com, manish.narani@xilinx.com, ravi.patel@xilinx.com, nishad.saraf@xilinx.com, wendy.liang@xilinx.com, robh+dt@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org, sumit.semwal@linaro.org, christian.koenig@amd.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Received: from [172.19.2.167] (port=36324 helo=xsjjliang50.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1kfXBL-0000Wz-CW; Wed, 18 Nov 2020 15:48:11 -0800 From: Wendy Liang To: , , , , , , , , , , , Subject: [PATCH v2 7/9] misc: xilinx-ai-engine: Add support to request device management services Date: Wed, 18 Nov 2020 15:48:07 -0800 Message-ID: <1605743289-26575-8-git-send-email-wendy.liang@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605743289-26575-1-git-send-email-wendy.liang@xilinx.com> References: <1605743289-26575-1-git-send-email-wendy.liang@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d5357e32-0bee-49d5-744c-08d88c1c7112 X-MS-TrafficTypeDiagnostic: BL0PR02MB6499: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:4502; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 7XA7RaO5NqxjzaVkKVvJi2WKddUJDLkhJuEMKTqI+5iahLRODMsfQwidnvF7r6XgBIAiEV7n/7VsPKStqgT2L+9Y7H1pSgBjCH9V5g7GCwqdAxXgkULXV2Ch6g9JGqGVWsTXS0X6pBfoLOac3F3CJYHiz4uMyacymJmC/T8Y/KyUezvM9ziW5XjN/K4l5HIisg3AKb746eBV0yQDacV4hk57RIsHFnSl67/FcRpE0WfvuGdBck5ty1SdNffoLg1eoVr+iuqNnL0sYihrPFXR2pTLmFNGWhpDZfYIorNRLrug9rZlmVMjNLmS/FHm7Q3ixcWybZrFi5xgaxFb1x5tPmkD3VDnlQ8hcoqwxgNpdscYQq0RnevfA6ys3/hbx5twKpfRqPjdsCFkbGKZQ17wzECN7ZGbsXNxd9roUEmf7wDP+pQ3YRN2/w0gAg/yngLi X-Forefront-Antispam-Report: CIP:149.199.62.198; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:xsj-pvapexch02.xlnx.xilinx.com; PTR:unknown-62-198.xilinx.com; CAT:NONE; SFS:(4636009)(346002)(376002)(39860400002)(136003)(396003)(46966005)(6636002)(921005)(26005)(107886003)(7416002)(83380400001)(82740400003)(356005)(7636003)(36756003)(47076004)(82310400003)(70586007)(316002)(36906005)(478600001)(110136005)(5660300002)(44832011)(70206006)(2616005)(8676002)(54906003)(4326008)(8936002)(186003)(7696005)(426003)(6666004)(9786002)(336012)(2906002)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2020 23:48:25.6293 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d5357e32-0bee-49d5-744c-08d88c1c7112 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.62.198]; Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT052.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR02MB6499 X-Mailman-Approved-At: Thu, 19 Nov 2020 08:31:38 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Wendy Liang , Nishad Saraf , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Nishad Saraf Platform management services like device control, resets, power management, etc. are provided by Platform, Loader and Manager(PLM) through firmware driver APIs. For requesting some of these services, this change reads AI Engine platform management node ID from DT node. Some other features like clearing interrupts in the NoC interconnect might only be valid for particular silicon revisions. For supporting such silicon specific features, AI Engine driver will query and store this information in device instance. While at it, this change makes EEMI operations accessible to all the other source files in the driver. Signed-off-by: Nishad Saraf Signed-off-by: Wendy Liang --- drivers/misc/xilinx-ai-engine/ai-engine-dev.c | 25 +++++++++++++++++++++- drivers/misc/xilinx-ai-engine/ai-engine-internal.h | 6 ++++++ 2 files changed, 30 insertions(+), 1 deletion(-) diff --git a/drivers/misc/xilinx-ai-engine/ai-engine-dev.c b/drivers/misc/xilinx-ai-engine/ai-engine-dev.c index 7e69ff4..78eae90 100644 --- a/drivers/misc/xilinx-ai-engine/ai-engine-dev.c +++ b/drivers/misc/xilinx-ai-engine/ai-engine-dev.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -25,7 +26,8 @@ #include "ai-engine-internal.h" -#define AIE_DEV_MAX (MINORMASK + 1) +#define AIE_DEV_MAX (MINORMASK + 1) +#define VERSAL_SILICON_REV_MASK GENMASK(31, 28) static dev_t aie_major; struct class *aie_class; @@ -318,6 +320,7 @@ static int xilinx_ai_engine_probe(struct platform_device *pdev) { struct aie_device *adev; struct device *dev; + u32 idcode, version, pm_reg[2]; int ret; adev = devm_kzalloc(&pdev->dev, sizeof(*adev), GFP_KERNEL); @@ -345,6 +348,26 @@ static int xilinx_ai_engine_probe(struct platform_device *pdev) return ret; } + /* + * AI Engine platform management node ID is required for requesting + * services from firmware driver. + */ + ret = of_property_read_u32_array(pdev->dev.of_node, "power-domains", + pm_reg, ARRAY_SIZE(pm_reg)); + if (ret < 0) { + dev_err(&pdev->dev, + "Failed to read power management information\n"); + return ret; + } + adev->pm_node_id = pm_reg[1]; + + ret = zynqmp_pm_get_chipid(&idcode, &version); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to get chip ID\n"); + return ret; + } + adev->version = FIELD_GET(VERSAL_SILICON_REV_MASK, idcode); + dev = &adev->dev; device_initialize(dev); dev->class = aie_class; diff --git a/drivers/misc/xilinx-ai-engine/ai-engine-internal.h b/drivers/misc/xilinx-ai-engine/ai-engine-internal.h index 131d22a..b21b7025 100644 --- a/drivers/misc/xilinx-ai-engine/ai-engine-internal.h +++ b/drivers/misc/xilinx-ai-engine/ai-engine-internal.h @@ -41,6 +41,10 @@ #define AIE_REGS_ATTR_PERM_MASK GENMASK(15, \ AIE_REGS_ATTR_PERM_SHIFT) +/* Silicon Engineering Sample(ES) revision ID */ +#define VERSAL_ES1_REV_ID 0x0 +#define VERSAL_ES2_REV_ID 0x1 + /** * struct aie_tile_regs - contiguous range of AI engine register * within an AI engine tile @@ -173,6 +177,7 @@ struct aie_resource { * while columns are occupied by partitions. * @num_kernel_regs: number of kernel only registers range * @version: AI engine device version + * @pm_node_id: AI Engine platform management node ID */ struct aie_device { struct list_head partitions; @@ -193,6 +198,7 @@ struct aie_device { u32 row_shift; u32 num_kernel_regs; int version; + u32 pm_node_id; }; /** -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel