From patchwork Wed Nov 18 08:06:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaying Liang X-Patchwork-Id: 11914101 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,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 C5FCFC56202 for ; Wed, 18 Nov 2020 08:08:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 37DC8223C7 for ; Wed, 18 Nov 2020 08:08:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QbJk/cYZ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="ryUmlwrD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37DC8223C7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xilinx.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Qhfk5cdjytRnh1syr1biiSuaiC0RA4CrZNSuQ3+KN7M=; b=QbJk/cYZe5Z3vCITW0XylPhCV m50ArIu4rer5/MPFYZviV2UMR7LPiiTyby4D8N7i/TCpeJ60gMpF21ldpEcXeQDB/h1gRS2CcnkJN 0CN3DTZvVM0HJLqVpgHRwuG6u/EAXrcLbaKCzsmC6Q91rqBKC6cNC27eREyDf3TYQSN+5T2XURhsO hancwFGzuLh4o0B+1Zp6VN6sA75a6wZdtSRvIFTl2Yl6mB8JUK/+N0CAUZTtfk/Ifp6htM7RXiHcL SSJayHfO1TaEoAIGbJddo9sBKdKjWXXYkGEIhY4NATkyGtpZbMCYSeEylwilNjbR0RbaPpJUzFjel 8rPNttZTA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfIVI-0004zk-B7; Wed, 18 Nov 2020 08:07:48 +0000 Received: from mail-dm6nam11on2071.outbound.protection.outlook.com ([40.107.223.71] helo=NAM11-DM6-obe.outbound.protection.outlook.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfIUY-0004hF-7g for linux-arm-kernel@lists.infradead.org; Wed, 18 Nov 2020 08:07:14 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=jo8vCK768z4ZUxVfmQEjA30DvxcMUOHLdbab2LbhVKrx0J/xPVh3Dk0LvE/LIR0cUZhNkomN2kko2W1U34o1uqghay2zQOtweKFz/pf+RGtX8GRUdPvFT8xTvkEO5O7ccRLth/zTjLHULF79bRsyi4aN+VjIFI2wvUurajpLWSYXJQFaiI81OI36k84QUrTP9KJK/ItqaEbYnbr/nkoXBcrhm9kTlKYW7trubBCPuVN/KzEjVJjxnAnXkQx+N2l/ocY1QEPA8btC+KsgNckDfMRvsDHJHsyBGA3tyPitaB6aYB8fLEGtJ4jxsHRRA0GzQ1v1QDiv/QEJZvhKlH8AVQ== 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=sgFPcwVcdVDA1lISQdnpSALC+Om4hmyoTqUgCLjEox0=; b=j0ein2QxcpkUCi/sLzSIbeIxJUw6zRlh2D4TcuUV4ocjQWWfbf0yOEnME7o8xMedrje/oGss6TXJHsiGEwtrC7x/pdCjKDc9vUKhx9bCYg0rO28d9awPD8oPjPmK0o+IM+T2rnHoW6w+5oI7Cl3lzQ6TFWpUqJp6M73GaeYMYc4+YMB4BcjO8H3i9FUJQq3jUD4pLO8d2VKa5dyaClSxTBvWa10v+7GjiHkY673lnSK57D2S+xCeWQskQvzvBl4VlQU5pilucQ55JU21JWUjIsZoNlY0Y25U/0nmD/LMUUSbp+22jYXrpTkT4CZYnD4Fjk8hOp+0EFOdtG7//0mLGg== 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=sgFPcwVcdVDA1lISQdnpSALC+Om4hmyoTqUgCLjEox0=; b=ryUmlwrDxOryq4RpmVoRCAFocFEESG4PAEQVL+TQ9bai5z1aG0RSsogvhaU9GDGeBHSpFfRcR2sdrAnMrJmumu4vP0t1f5tbJUkgKyps/i8MmMQbEQzUvnVqrH1GMsVSmglrX9NBGEC00TCM0prgXEX1xE+X5WmUO73U0fGtOtQ= Received: from SA0PR11CA0092.namprd11.prod.outlook.com (2603:10b6:806:d1::7) by DM6PR02MB4265.namprd02.prod.outlook.com (2603:10b6:5:2e::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3564.25; Wed, 18 Nov 2020 08:06:58 +0000 Received: from SN1NAM02FT048.eop-nam02.prod.protection.outlook.com (2603:10b6:806:d1:cafe::68) by SA0PR11CA0092.outlook.office365.com (2603:10b6:806:d1::7) 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 08:06:57 +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-pvapexch01.xlnx.xilinx.com; Received: from xsj-pvapexch01.xlnx.xilinx.com (149.199.62.198) by SN1NAM02FT048.mail.protection.outlook.com (10.152.72.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.3564.22 via Frontend Transport; Wed, 18 Nov 2020 08:06:56 +0000 Received: from xsj-pvapexch01.xlnx.xilinx.com (172.19.86.40) by xsj-pvapexch01.xlnx.xilinx.com (172.19.86.40) 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 00:06:33 -0800 Received: from smtp.xilinx.com (172.19.127.95) by xsj-pvapexch01.xlnx.xilinx.com (172.19.86.40) with Microsoft SMTP Server id 15.1.1913.5 via Frontend Transport; Wed, 18 Nov 2020 00:06:33 -0800 Received: from [172.19.2.167] (port=35936 helo=xsjjliang50.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1kfIU5-0000Nk-QS; Wed, 18 Nov 2020 00:06:33 -0800 From: Wendy Liang To: , , , , , , , , , , , Subject: [PATCH 8/9] firmware: xilinx: Add IOCTL support for AIE ISR Clear Date: Wed, 18 Nov 2020 00:06:19 -0800 Message-ID: <1605686780-17886-9-git-send-email-wendy.liang@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605686780-17886-1-git-send-email-wendy.liang@xilinx.com> References: <1605686780-17886-1-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: e10d6275-e360-4838-29da-08d88b98eb2b X-MS-TrafficTypeDiagnostic: DM6PR02MB4265: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 6kVZJpBpGhGhZo8B/GKzgyHgMIJRRDFAKJCGHyhVEYgTaTTQa8BdogEueB4plsvyN1vtKO4i94lYpPLivUCKs0F/V/ZJ8Ok81atjaqcCJlq8YLNM3SLVL8PjkmRZhRUPTk6TzDknFd4ruua91FCZ1FcMyEKM2mNQkdFXeJObuHFXbLO6vO+lmlwNqNwbvc6bJQ33a2RSOKLT/Thex3S6jrYRTxEx2bAT58tCtywlxjSHDqv86xrzgzN2lkW+vo7sRmLFqMcK1c5pA1ylONKzkorgA/XMnaG8kZQ/dnkufUZZyOrV74oG3UnSqdOyTpDKp6Bcfd4cVTpv/9ZND8PhO4sWlcVupFUgcX1vynvolBFjAE5AVJijPzdNXNCEhLwKvq3LOzlbodWcEcKvpUVYoRwVD6cz2Y5v0v8IGBtcAgz9chO0ojYZbe7yn3ezT3J/ X-Forefront-Antispam-Report: CIP:149.199.62.198; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:xsj-pvapexch01.xlnx.xilinx.com; PTR:unknown-62-198.xilinx.com; CAT:NONE; SFS:(4636009)(136003)(376002)(39850400004)(396003)(346002)(46966005)(426003)(2616005)(82310400003)(44832011)(54906003)(47076004)(5660300002)(7696005)(36906005)(316002)(478600001)(110136005)(336012)(6666004)(921005)(2906002)(26005)(83380400001)(186003)(36756003)(82740400003)(4326008)(8936002)(7416002)(7636003)(6636002)(9786002)(8676002)(70206006)(356005)(70586007)(107886003)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2020 08:06:56.8889 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e10d6275-e360-4838-29da-08d88b98eb2b 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-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: SN1NAM02FT048.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB4265 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201118_030702_429660_1DB941B5 X-CRM114-Status: GOOD ( 14.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Izhar Ameer Shaikh , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Wendy Liang , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Izhar Ameer Shaikh Latching of AIE NPI Interrupts is present in Versal ES1 Silicon Rev, however it has been removed from ES2 rev. As a result on ES1, in order to use the interrupt, a client needs to request PMC to clear/ack the interrupt. Provide an EEMI IOCTL to serve the same purpose. Note that, this will only be applicable for ES1 rev. For ES2 and other non-silicon platforms, this call will essentially be a NOP in the firmware. Signed-off-by: Izhar Ameer Shaikh Signed-off-by: Wendy Liang --- drivers/firmware/xilinx/zynqmp.c | 14 ++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 8 ++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index efb8a66..7a0c6a3 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -702,6 +702,20 @@ int zynqmp_pm_set_boot_health_status(u32 value) } /** + * zynqmp_pm_clear_aie_npi_isr - Clear AI engine NPI interrupt status register + * @node: AI engine node id + * @irq_mask: Mask of AI engine NPI interrupt bit to clear + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_clear_aie_npi_isr(u32 node, u32 irq_mask) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_AIE_ISR_CLEAR, + irq_mask, 0, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_clear_aie_npi_isr); + +/** * zynqmp_pm_reset_assert - Request setting of reset (1 - assert, 0 - release) * @reset: Reset to be configured * @assert_flag: Flag stating should reset be asserted (1) or diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 5968df8..b929d57 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -116,6 +116,8 @@ enum pm_ioctl_id { IOCTL_READ_PGGS = 15, /* Set healthy bit value */ IOCTL_SET_BOOT_HEALTH_STATUS = 17, + /* AI engine NPI ISR clear */ + IOCTL_AIE_ISR_CLEAR = 24, }; enum pm_query_id { @@ -357,6 +359,7 @@ int zynqmp_pm_write_pggs(u32 index, u32 value); int zynqmp_pm_read_pggs(u32 index, u32 *value); int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype); int zynqmp_pm_set_boot_health_status(u32 value); +int zynqmp_pm_clear_aie_npi_isr(u32 node, u32 irq_mask); #else static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) { @@ -507,6 +510,11 @@ static inline int zynqmp_pm_set_boot_health_status(u32 value) { return -ENODEV; } + +static int zynqmp_pm_clear_aie_npi_isr(u32 node, u32 irq_mask) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */