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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 02710C433DF for ; Tue, 11 Aug 2020 03:32:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1710206DA for ; Tue, 11 Aug 2020 03:32:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="j7aItKRo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728215AbgHKDc1 (ORCPT ); Mon, 10 Aug 2020 23:32:27 -0400 Received: from mail-dm6nam10on2056.outbound.protection.outlook.com ([40.107.93.56]:40289 "EHLO NAM10-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727900AbgHKDc0 (ORCPT ); Mon, 10 Aug 2020 23:32:26 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Zlp0axv1HjqQzp5yIcPJnyAySjBnEKkfQzL8nn5cOoX5WnZY9G6e4wJ+KkPnAEzdOIwLbGGIGuvSetuosOowwD6LZ4DjfpOQmIYeH+eiLYekPt7jBuzwK9Jr7P1uNd8Ug55yQBUskma5Houb3qtO89qYDRXgxxmf3ioycCPCYF1af3kiMuo7J86Wzk0LBCaDySVZH424LiUAvIXOcJkHnKJPzCUbKcT3pkRpiJIOKCzM+OddCNfUpl6lc2VI+4hKYUx8tDXtN4nl7AfsvtPacCDOAM8gwWgto9ccr97IXRihEVSIAGE6i/+cfrHl1mNkfEf9CdlD4etgmcQQHHGOjQ== 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=9EychP24slpzsuKCLoFzJ9w+7fq5GOtH1Dn4VKU/9Hw=; b=Z7nxj77zBU4eKIIRGfl+ZQcPJh7k40LZ2jDFb0MpmWSemk1Fzj5zv1OtZ334K7Aw7ps+/zwfitGRNtwd5ODBq/6rUd1QvWInp6e9nI4lKNcYgglA/pTDsXoRjGglnFEw70WzQ8azSySAoAFnrdF9t7XFrDfXlNjnds8L5DpYCJmVzzwg/Wm/SjgsSiVOR4VK5Ky/JNVcupB0IjVqpBpGg9bgpH9bD77R8ApfNKWJyn97cN9Al78O+YWYG2SNodmSyodR1Qe+ivoA12HZuZLoV5u6rY7mrwF0EiblKdg2xSD9OCS+4aDrgyfE45D5FZim55DMTaEygYk/KqpOKanCZw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.60.83) smtp.rcpttodomain=vger.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=9EychP24slpzsuKCLoFzJ9w+7fq5GOtH1Dn4VKU/9Hw=; b=j7aItKRoMBWFJsxOpV67SptXFmXYMV45RuvGXr33tY/8Nf8FrPrLMuynoELrcHxxgmxym25UFEopT9rsXpvjUyZcaKs9t+6w61OSnxzYNjGLviDChD93rBNiPfkXuONzEr7ZCFZvXWPs1/0cyIn1zNUs7QEJs9Yvni45KsRTS9s= Received: from DM6PR02CA0043.namprd02.prod.outlook.com (2603:10b6:5:177::20) by MW2PR02MB3884.namprd02.prod.outlook.com (2603:10b6:907:4::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.19; Tue, 11 Aug 2020 03:32:21 +0000 Received: from CY1NAM02FT009.eop-nam02.prod.protection.outlook.com (2603:10b6:5:177:cafe::c2) by DM6PR02CA0043.outlook.office365.com (2603:10b6:5:177::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.18 via Frontend Transport; Tue, 11 Aug 2020 03:32:21 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 149.199.60.83) smtp.mailfrom=xilinx.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.60.83 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.83; helo=xsj-pvapsmtpgw01; Received: from xsj-pvapsmtpgw01 (149.199.60.83) by CY1NAM02FT009.mail.protection.outlook.com (10.152.75.12) with Microsoft SMTP Server id 15.20.3261.19 via Frontend Transport; Tue, 11 Aug 2020 03:32:21 +0000 Received: from [149.199.38.66] (port=60893 helo=smtp.xilinx.com) by xsj-pvapsmtpgw01 with esmtp (Exim 4.90) (envelope-from ) id 1k5L1K-0000i2-La; Mon, 10 Aug 2020 20:32:14 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1k5L1R-0004hE-84; Mon, 10 Aug 2020 20:32:21 -0700 Received: from [172.19.2.206] (helo=xsjblevinsk50.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1k5L1J-0004gc-63; Mon, 10 Aug 2020 20:32:13 -0700 From: Ben Levinsky To: stefanos@xilinx.com, michals@xilinx.com Cc: devicetree@vger.kernel.org, mathieu.poirier@linaro.org, ed.mooring@xilinx.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, wendy.liang@xilinx.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 2/5] firmware: xilinx: Add shutdown/wakeup APIs Date: Mon, 10 Aug 2020 20:32:10 -0700 Message-Id: <20200811033213.20088-3-ben.levinsky@xilinx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200811033213.20088-1-ben.levinsky@xilinx.com> References: <20200811033213.20088-1-ben.levinsky@xilinx.com> X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 40123812-2e5b-4978-8a48-08d83da72827 X-MS-TrafficTypeDiagnostic: MW2PR02MB3884: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:4125; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: A0Huj5GOyMoNh1YWXT0E4KxJzWnJtqZi+nL3q8Xx3FVUBMaEniYxucuqi3r28vywmU9PqJpMCvbG40d49CKRegNRB2mkvq0vyaHVbkkTEMsQhtYFAU0pFdmddJhvoyBHxU/OowmTPi7k28dfdyQfRNOHeSbVpliaZCMh7K612N19Uu+wobEDDEAqTuejPmDJbQa+LKFzEknDFf7YZ4K6fjtKruGKGqRBTomaipH4RCrQYVWIYkesy41aOk80BOv7Ch34oP/yJz0RUcgQ7bPErrb6vn4x5lrmi/N/LWm9C/FzT2/wPMECKHD6CdOfCSLucOCkpvfKt70jmFvV1wndwRQ2Ulq39m0BzF3A8nEx3Kv5NuDnabsQtr3wTjzUR0GTKC0t39QQ9FnNifGmP/OV3g== X-Forefront-Antispam-Report: CIP:149.199.60.83;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapsmtpgw01;PTR:unknown-60-83.xilinx.com;CAT:NONE;SFTY:;SFS:(136003)(39860400002)(346002)(396003)(376002)(46966005)(6636002)(8936002)(336012)(83380400001)(82740400003)(9786002)(82310400002)(5660300002)(81166007)(47076004)(356005)(2906002)(426003)(70206006)(2616005)(70586007)(44832011)(7696005)(478600001)(8676002)(186003)(1076003)(316002)(36756003)(4326008)(26005);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2020 03:32:21.5357 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 40123812-2e5b-4978-8a48-08d83da72827 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT009.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR02MB3884 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add shutdown/wakeup a resource eemi operations to shutdown or bringup a resource. Signed-off-by: Ben Levinsky --- v3: - add xilinx-related platform mgmt fn's instead of wrapping around function pointer in xilinx eemi ops struct - fix formatting v4: - add default values for enumv3: - add xilinx-related platform mgmt fn's instead of wrapping around function pointer in xilinx eemi ops struct - fix formatting v4: - add default values for enum --- drivers/firmware/xilinx/zynqmp.c | 35 ++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 22 +++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 8d1ff2454e2e..f1a0bd35deeb 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -846,6 +846,41 @@ int zynqmp_pm_release_node(const u32 node) } EXPORT_SYMBOL_GPL(zynqmp_pm_release_node); +/** + * zynqmp_pm_force_powerdown - PM call to request for another PU or subsystem to + * be powered down forcefully + * @target: Node ID of the targeted PU or subsystem + * @ack: Flag to specify whether acknowledge is requested + * + * Return: status, either success or error+reason + */ +int zynqmp_pm_force_powerdown(const u32 target, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, target, ack, 0, 0, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_force_powerdown); + +/** + * zynqmp_pm_request_wakeup - PM call to wake up selected master or subsystem + * @node: Node ID of the master or subsystem + * @set_addr: Specifies whether the address argument is relevant + * @address: Address from which to resume when woken up + * @ack: Flag to specify whether acknowledge requested + * + * Return: status, either success or error+reason + */ +int zynqmp_pm_request_wakeup(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack) +{ + /* set_addr flag is encoded into 1st bit of address */ + return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr, + address >> 32, ack, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_request_wakeup); + /** * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves * @node: Node ID of the slave diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index bb347dfe4ba4..4d83a7d69c4c 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -64,6 +64,8 @@ enum pm_api_id { PM_GET_API_VERSION = 1, + PM_FORCE_POWERDOWN = 8, + PM_REQUEST_WAKEUP = 10, PM_SYSTEM_SHUTDOWN = 12, PM_REQUEST_NODE = 13, PM_RELEASE_NODE, @@ -376,6 +378,12 @@ 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_force_powerdown(const u32 target, + const enum zynqmp_pm_request_ack ack); +int zynqmp_pm_request_wakeup(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack); #else static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) { @@ -526,6 +534,20 @@ static inline int zynqmp_pm_set_boot_health_status(u32 value) { return -ENODEV; } + +static inline int zynqmp_pm_force_powerdown(const u32 target, + const enum zynqmp_pm_request_ack ack) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_request_wakeup(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ -- 2.17.1