From patchwork Thu Feb 1 16:13:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 195389 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:2719:b0:106:209c:c626 with SMTP id hl25csp268995dyb; Thu, 1 Feb 2024 08:19:19 -0800 (PST) X-Google-Smtp-Source: AGHT+IH2o9vsBol/3cVNuv4SSRQ+pU7rQEHYytqeLKerpvYbbTfRjimUa2BsMJyT4RuuDW33k++Y X-Received: by 2002:a05:6214:2601:b0:681:937f:6e68 with SMTP id gu1-20020a056214260100b00681937f6e68mr5124534qvb.63.1706804359027; Thu, 01 Feb 2024 08:19:19 -0800 (PST) X-Forwarded-Encrypted: i=2; AJvYcCXmffli+n21dMNC+oq6LUc9GsdVjHfrVw1nLE5KL2OfW6bCCyquhLKAvd/pj0loFyiPaVfwUz2z19Ui8gpX0xzMVTqARw== Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id gh1-20020a05621429c100b0067f28fb3f53si14131695qvb.445.2024.02.01.08.19.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Feb 2024 08:19:19 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-48493-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b="ZAXPm3/S"; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-48493-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-48493-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 634C91C2CD15 for ; Thu, 1 Feb 2024 16:17:20 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 738101649CD; Thu, 1 Feb 2024 16:14:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="ZAXPm3/S" Received: from EUR03-DBA-obe.outbound.protection.outlook.com (mail-dbaeur03on2089.outbound.protection.outlook.com [40.107.104.89]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B8BC1649A1; Thu, 1 Feb 2024 16:14:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.104.89 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706804052; cv=fail; b=Esj6iRBTSsIYYLkVhLU7/LwKAGqp6FcgUg2qNDtzrwhBgB4+IkR/5xQ2M1eQzr/KerEgNj6zJa4YL0ywSPdDoMj3M7eLE22wBvCz6XewTYVhHGVbg48XwbezZqPfhPwvG/fYaj6TMYgDue4p4vxTZ+6T6Z4+uc51QM9xquPG79g= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706804052; c=relaxed/simple; bh=T8i2d5YcwxgVg17BF/Je9te+972ffy5ilUf3q6l9KnY=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=DSI12Rr6EpQFQ5Blv1zuQObuTFaZTbXWXa8yAGwFJQl/TMp5S0Vnc3rvQdLiTgLOZMMhmyyeabbHNp81kKmUERwszB5rVrhtbzvWk6DEacfkya+SPkfe5x4K8Lwh435Nh2b81mMl/WZpcKlU5PYYn5uGOMqLovfxpoMsWlB6wqA= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b=ZAXPm3/S; arc=fail smtp.client-ip=40.107.104.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AcTpyBXOApbNFOCK3H6VhZR9Bpc1caqeA1/5+Dk8aiVwKMxcfSphGV5pmTpGCp/t1qXqAm4l4OoTyMZw96ctShoW9vkGAmXhbIowwexYrwksfmrHPLp2T/Dpz2liTlV30MWU332ZQCo6Z/Gjf+ZY+RKos1DNALHXtSSEHwi3o/QYFWLGv1OHinw4yioeGNs/ClQ3G1QUxXfk+Awqp2/poE6JyfUayfqRZtlBXXXmvVrdQULT8MG1KnjmsmAQ+9nG2eKqOL16AXL4OyBy8BWuTInUBue2UWZPmlKhqqKduZOFEsPQ0vHAlHZlYaFhbPuWgXXCHLdiPmPsJ9VKf+41Yg== 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=gUTNSMRiKTw9QCuf4fVh7hiPiSF/yV3M3KoyG5PLijw=; b=ewU6gM4D1HObqUgaO0QlybYd5/ZgtrWoBevcEq1KG0Ik717FVqs/ooiBhCWy/9OAQBVivjiNcLT5gqLWcIxbz21VIdRqZ7cazbO8R4Y1+gybG3dkdJBCpxc+5d8v0SUhqt9x7qneihCMa+VUnWy0EcSBmjUirKR4fI5Basy+HeFX8iqtO41Gxye4H/JQC/NranmM7YzfmBK7Kz8xdvloO5m95JCpbOsWFn05VejzzQa24K5rvL0S6fulFH7pL6cs+sXFVOZNLHTf6rp/qgqg0PalA9RPM8+4DtQl2JTpICDBiNn+hkkTC16nW43/jlxHIJk2E44QYnQ7PP9dK9BhFQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=gUTNSMRiKTw9QCuf4fVh7hiPiSF/yV3M3KoyG5PLijw=; b=ZAXPm3/Sjz09hQcBL823GM4xGKEOkTd7nOKpDfZdpWWZ1VIlUTBfI1o7JCh1cAR6ZY15KQsy5rexfjMz7Rmw6GQMnW19UFGGoQU9VG5RyVRZaFrLPRRauCnWzPO/vga7SgClXJT19SBmXW0yiqW79bPNS7zC8jSRcLIABfZWdsc= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) by AS8PR04MB9110.eurprd04.prod.outlook.com (2603:10a6:20b:449::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7249.26; Thu, 1 Feb 2024 16:14:06 +0000 Received: from PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::c8b4:5648:8948:e85c]) by PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::c8b4:5648:8948:e85c%3]) with mapi id 15.20.7228.029; Thu, 1 Feb 2024 16:14:06 +0000 From: Frank Li Date: Thu, 01 Feb 2024 11:13:30 -0500 Subject: [PATCH v2 6/6] PCI: dwc: Add common send PME_Turn_Off message method Message-Id: <20240201-pme_msg-v2-6-6767052fe6a4@nxp.com> References: <20240201-pme_msg-v2-0-6767052fe6a4@nxp.com> In-Reply-To: <20240201-pme_msg-v2-0-6767052fe6a4@nxp.com> To: Bjorn Helgaas , Jingoo Han , Gustavo Pimentel , Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , imx@lists.linux.dev Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Frank Li X-Mailer: b4 0.13-dev-c87ef X-Developer-Signature: v=1; a=ed25519-sha256; t=1706804020; l=4224; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=T8i2d5YcwxgVg17BF/Je9te+972ffy5ilUf3q6l9KnY=; b=2ogMPxh4HPH8Hgdna2hIpwSM0R5Jt13ZQe3qobHiYtMb81KYKNaL2HzSYVn6QfJtjOcyo8DR5 4jJCrQgP5yPCu84EhumQVgRatgSAq4QHljbyI09wOZUPdnaTF/v8ElM X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-ClientProxiedBy: BYAPR05CA0065.namprd05.prod.outlook.com (2603:10b6:a03:74::42) To PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9642:EE_|AS8PR04MB9110:EE_ X-MS-Office365-Filtering-Correlation-Id: 8fdf7ccc-a3af-4668-e2f3-08dc2340d054 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:PAXPR04MB9642.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(346002)(39860400002)(376002)(136003)(396003)(366004)(230922051799003)(451199024)(1800799012)(64100799003)(186009)(15650500001)(2906002)(7416002)(5660300002)(41300700001)(6486002)(36756003)(86362001)(38100700002)(478600001)(38350700005)(52116002)(83380400001)(6512007)(2616005)(6506007)(26005)(6666004)(8676002)(8936002)(4326008)(921011)(316002)(66556008)(66476007)(110136005)(66946007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?aEv/LPPVL7JzRqQtRGM7e8C64AQV?= =?utf-8?q?B3GAlVSGvNs5YlaOUfAQ2PI6GsIGTgW3WB1QbNFo7cJiEB0+4t6a24qneXdlwBR3I?= =?utf-8?q?94pYNzPpJD/o07dw/stofqH0UTCmLQIujyPCO1YzvLgJmzEj/uBxZPy6PT18cUZpf?= =?utf-8?q?P2rVot+7G2RvqRUccTIFwQDW6z0o76tGz/GXzQn9/2o8hFS3ZQIH3NpeXt+bxV02k?= =?utf-8?q?UloGXd0LGqwSJYaSvp8krKgD7NsXM91RWmorgjG2iz7dg5Am80/56Q68fbArqg1EM?= =?utf-8?q?FcndFPTMMxRQtFxdGUIwq6vlDFe+iO24PI4567/A0fx1sWtdOzFDJ0+RaBJvAR3EO?= =?utf-8?q?f+LrjEhPVFC8NhO1YV7aCxUg6FwfnYgGSilX/L9+YArE6bSTPJeVZFa+NiryluOag?= =?utf-8?q?f3024QGA4L5CuFha9xEud+sYkvKz3zJVu0sjIbVbS5YTQmSVo3DWjkr+rNhZ1v1qt?= =?utf-8?q?MrWOn4q0KXzwb0C9OjEA6FTelq2rh4QleL6fa+eLsPd8dqFOgBuJkTo6WZDtJFq+l?= =?utf-8?q?A/Dojswbua3NoMK0aLuMHiRzfd7fA/g33Pa97Ttoh/2h9SAr76UzxCc615wxmnThn?= =?utf-8?q?lq5K9Q034KbrvQ/XFihEBrp9qgE8exOVrkV+4kFvNg6bJwX41DBvCUuh1mmqWvnvL?= =?utf-8?q?3yRPOShoJH4iD9dvyBS+LNIlKGL4B2lMxAq4euw/I3ZhJuVe9XoayxQu+6u2VB8FA?= =?utf-8?q?/AVf+G6gI3IMC+4EC/af0k3Gy3vQTr1q5ogBgdQfuClHuhOG+d37Yh+6TWhHa7q9I?= =?utf-8?q?iCUfc+ULpA9IQwBq2QpZtgFKSGkhgrEi7QT40bWSbSoC44cU5KclyoMjgQnT94Ekd?= =?utf-8?q?4bwjsMyj9YmjOcEhLbEGT7CDxhwG2xMO9YCtIamimbCAZwEQJ8Q/VxUXJyRGku/7i?= =?utf-8?q?fcAjOIIwvO3SOC0gXQfqlW7ILUPSKX4iyelx1fKNnpi4GR0Gl3AxFhvxIl1Ijy01+?= =?utf-8?q?4+DUyH4ib1uj/6in5b7/F+0h+i2PhwXgiPwp1GGzdh5garuokTk+8l6LIn9Gs8EIx?= =?utf-8?q?5/g7AbSTA54sj1Hy17C0puctvTyd1AAQozZcPVLepyOYvtqx1ex4PmMABo8d/r4hc?= =?utf-8?q?6aiSYvKqXBe942ktijfzWMeH7zxxs3+kl/HxMCO2CKxiY2lNVScvDh5dgkL8dPm/q?= =?utf-8?q?ixppl6xGdmJYEagCGGOZ5N+yIOEw2FSyIoU4gF8SchslGPwnpxwDzlA0d1AgxR8cA?= =?utf-8?q?iOyIGvIW7EN6qPBFRG9EtT5e54lo57NrVxBjmtQ2+pBQwP7tfPIuuGSByNz1PZ5oq?= =?utf-8?q?h6JEBxi/sJjfO94UnU0WVzi92M96Oq0TedB6OclmOiZXh+783iEVTu+ue5IiGWUVo?= =?utf-8?q?QqlQ3Bch27/CXIZoBGvyZEa5mKGJx4XJxicNPAS21xDc+jXUESJfrkyDJRwBK7YaC?= =?utf-8?q?J2CeTOMgSebTVMxmlTo7qqW0kAEelPULfP//MlvzkkhkMl1LTRPZup2c/EcSNlNlu?= =?utf-8?q?Xf6hQOeYK4cejRYo9orLy+cPU0Zb+PvJkEgG/frh2yl4n1XxdtSQhDtuzVCbg/+py?= =?utf-8?q?g1g8MFz4f9yK?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8fdf7ccc-a3af-4668-e2f3-08dc2340d054 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2024 16:14:06.1518 (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: kM2tzmi2l+WfADq6NLC6zENN+VfWgg+GuYbN1CwsFCHM7D8bQlwMBYIXpLsRw/WdnP86y2LwXvLJWh3Uzvo2xA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB9110 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789714087258343443 X-GMAIL-MSGID: 1789714087258343443 Set outbound ATU map memory write to send PCI message. So one MMIO write can trigger a PCI message, such as PME_Turn_Off. Add common dw_pcie_send_pme_turn_off_by_atu() function. Call dw_pcie_send_pme_turn_off_by_atu() to send out PME_Turn_Off message in general dw_pcie_suspend_noirq() if there are not platform callback pme_turn_off() exist. Signed-off-by: Frank Li --- drivers/pci/controller/dwc/pcie-designware-host.c | 51 +++++++++++++++++++++-- drivers/pci/controller/dwc/pcie-designware.c | 8 ++++ drivers/pci/controller/dwc/pcie-designware.h | 3 ++ 3 files changed, 58 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 267687ab33cbc..2a281060f3aad 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -728,6 +728,8 @@ static int dw_pcie_iatu_setup(struct dw_pcie_rp *pp) dev_warn(pci->dev, "Ranges exceed outbound iATU size (%d)\n", pci->num_ob_windows); + pci->msg_atu_index = i; + i = 0; resource_list_for_each_entry(entry, &pp->bridge->dma_ranges) { if (resource_type(entry->res) != IORESOURCE_MEM) @@ -833,11 +835,49 @@ int dw_pcie_setup_rc(struct dw_pcie_rp *pp) } EXPORT_SYMBOL_GPL(dw_pcie_setup_rc); +static int dw_pcie_send_pme_turn_off_by_atu(struct dw_pcie *pci) +{ + struct dw_pcie_ob_atu_cfg atu = { 0 }; + void __iomem *m; + int ret = 0; + + if (pci->num_ob_windows <= pci->msg_atu_index) + return -EINVAL; + + atu.code = PCI_MSG_CODE_PME_TURN_OFF; + atu.routing = PCI_MSG_TYPE_R_BC; + atu.type = PCIE_ATU_TYPE_MSG; + atu.size = pci->msg_io_size; + + if (!atu.size) { + dev_dbg(pci->dev, + "atu memory map windows is zero, please check 'msg' reg in dts\n"); + return -ENOMEM; + } + + atu.cpu_addr = pci->msg_io_base; + + ret = dw_pcie_prog_outbound_atu(pci, &atu); + if (ret) + return ret; + + m = ioremap(atu.cpu_addr, PAGE_SIZE); + if (!m) + return -ENOMEM; + + /* A dummy write is converted to a Msg TLP */ + writel(0, m); + + iounmap(m); + + return ret; +} + int dw_pcie_suspend_noirq(struct dw_pcie *pci) { u8 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); u32 val; - int ret; + int ret = 0; /* * If L1SS is supported, then do not put the link into L2 as some @@ -849,10 +889,13 @@ int dw_pcie_suspend_noirq(struct dw_pcie *pci) if (dw_pcie_get_ltssm(pci) <= DW_PCIE_LTSSM_DETECT_ACT) return 0; - if (!pci->pp.ops->pme_turn_off) - return 0; + if (pci->pp.ops->pme_turn_off) + pci->pp.ops->pme_turn_off(&pci->pp); + else + ret = dw_pcie_send_pme_turn_off_by_atu(pci); - pci->pp.ops->pme_turn_off(&pci->pp); + if (ret) + return ret; ret = read_poll_timeout(dw_pcie_get_ltssm, val, val == DW_PCIE_LTSSM_L2_IDLE, PCIE_PME_TO_L2_TIMEOUT_US/10, diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index ba909fade9db1..eb24362009bb6 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -155,6 +155,14 @@ int dw_pcie_get_resources(struct dw_pcie *pci) } } + if (!pci->msg_io_base) { + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "msg"); + if (res) { + pci->msg_io_base = res->start; + pci->msg_io_size = res->end - res->start + 1; + } + } + /* LLDD is supposed to manually switch the clocks and resets state */ if (dw_pcie_cap_is(pci, REQ_RES)) { ret = dw_pcie_get_clocks(pci); diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 703b50bc5e0f1..866ab44df9fd1 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -424,6 +424,9 @@ struct dw_pcie { struct reset_control_bulk_data core_rsts[DW_PCIE_NUM_CORE_RSTS]; struct gpio_desc *pe_rst; bool suspended; + int msg_atu_index; + phys_addr_t msg_io_base; + size_t msg_io_size; }; #define to_dw_pcie_from_pp(port) container_of((port), struct dw_pcie, pp)