From patchwork Mon Jun 25 08:30:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Douglas X-Patchwork-Id: 934123 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=cadence.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=cadence.com header.i=@cadence.com header.b="EVp69QdS"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41Dj7j5yQhz9ryk for ; Mon, 25 Jun 2018 18:31:29 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754177AbeFYIb1 (ORCPT ); Mon, 25 Jun 2018 04:31:27 -0400 Received: from mail-co1nam03on0083.outbound.protection.outlook.com ([104.47.40.83]:5760 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754021AbeFYIbW (ORCPT ); Mon, 25 Jun 2018 04:31:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=fh6hVA2g3a/ChKgN1mh4leYQSiexidWJ9xSo2Nr3zT8=; b=EVp69QdSz/y/uuVW4reWEsugthal1/xzQQQ05IOyRk3fGXonpK6EFn19rQ0dkMmWP+KY1wrHool8NbfV4ma0/m1YtJK3GEkJsxjlBDuT8quJe1ahvvAQETYXyaI/pIdG4eubYog3f9C2HZdX31ZvGYa/lk7TdlTHxNUxyQpp9hg= Received: from DM5PR07CA0036.namprd07.prod.outlook.com (2603:10b6:3:16::22) by BY2PR07MB2294.namprd07.prod.outlook.com (2a01:111:e400:c50d::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.884.19; Mon, 25 Jun 2018 08:31:20 +0000 Received: from DM3NAM05FT063.eop-nam05.prod.protection.outlook.com (2a01:111:f400:7e51::201) by DM5PR07CA0036.outlook.office365.com (2603:10b6:3:16::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.884.20 via Frontend Transport; Mon, 25 Jun 2018 08:31:20 +0000 Authentication-Results: spf=softfail (sender IP is 199.43.4.28) smtp.mailfrom=cadence.com; arm.com; dkim=none (message not signed) header.d=none; arm.com; dmarc=fail action=none header.from=cadence.com; Received-SPF: SoftFail (protection.outlook.com: domain of transitioning cadence.com discourages use of 199.43.4.28 as permitted sender) Received: from rmmaillnx1.cadence.com (199.43.4.28) by DM3NAM05FT063.mail.protection.outlook.com (10.152.98.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.20.906.10 via Frontend Transport; Mon, 25 Jun 2018 08:31:19 +0000 Received: from maileu3.global.cadence.com (maileu3.cadence.com [10.160.88.99]) by rmmaillnx1.cadence.com (8.14.4/8.14.4) with ESMTP id w5P8V9Xx023349 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Mon, 25 Jun 2018 04:31:15 -0400 X-CrossPremisesHeadersFilteredBySendConnector: maileu3.global.cadence.com Received: from maileu3.global.cadence.com (10.160.88.99) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 25 Jun 2018 10:31:31 +0200 Received: from lvloginb.cadence.com (10.165.177.11) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Mon, 25 Jun 2018 10:31:31 +0200 Received: from lvloginb.cadence.com (localhost [127.0.0.1]) by lvloginb.cadence.com (8.14.4/8.14.4) with ESMTP id w5P8VEaT006806; Mon, 25 Jun 2018 09:31:14 +0100 Received: (from adouglas@localhost) by lvloginb.cadence.com (8.14.4/8.14.4/Submit) id w5P8VE7j006790; Mon, 25 Jun 2018 09:31:14 +0100 From: Alan Douglas To: , , CC: , , , Alan Douglas Subject: [PATCH 4/5] PCI: cadence: Add Power Management ops for host and EP Date: Mon, 25 Jun 2018 09:30:52 +0100 Message-ID: <1529915453-4633-5-git-send-email-adouglas@cadence.com> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1529915453-4633-1-git-send-email-adouglas@cadence.com> References: <1529915453-4633-1-git-send-email-adouglas@cadence.com> MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:199.43.4.28; IPV:CAL; SCL:-1; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(396003)(376002)(39860400002)(346002)(39380400002)(2980300002)(3190300001)(189003)(199004)(36092001)(356003)(69596002)(105596002)(106466001)(26826003)(87636003)(478600001)(107886003)(53936002)(4326008)(5660300001)(305945005)(50466002)(48376002)(8676002)(6666003)(81156014)(50226002)(81166006)(76176011)(59450400001)(26005)(51416003)(8936002)(336012)(426003)(486006)(11346002)(2616005)(476003)(36756003)(36906005)(446003)(97736004)(126002)(316002)(68736007)(42186006)(86362001)(110136005)(2906002)(54906003)(16586007)(2201001)(47776003)(186003); DIR:OUT; SFP:1101; SCL:1; SRVR:BY2PR07MB2294; H:rmmaillnx1.cadence.com; FPR:; SPF:SoftFail; LANG:en; PTR:InfoDomainNonexistent; MX:1; A:1; X-Microsoft-Exchange-Diagnostics: 1; DM3NAM05FT063; 1:NOBGmdK+OEvJ02mDX2T6BfC7/C93Xidkdg2jCkWd4EUG1LG+HvRlXT0Z6SlsKLHll1R4Or6lylMjBEaO8Op73DPOBgHg9ZymLb77gb+Bo48duDPq5sdq6X49imQkDX5B X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8d52883a-1dd4-4b23-2f81-08d5da760722 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(8989117)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600026)(711020)(2017052603328)(7153060); SRVR:BY2PR07MB2294; X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 3:FhJop1puqnmUGaMCjn6zwmO1l3clrPAa857r429+YSAj0SKh1ReynkPrTy3NhzEHvF4NxyyKC15F+SH6B9eb/zLZATZqYCEh/Tq+/Yo9M4gy/lhPEFggQ0bP6wm1WA6MUaEUs47Vmaz5hi0lK3ev3NahYd2FxeOxSB3mwk9rxDwXnaS60m6hdZmJbdDV5APa5eBoVqDrHDwKhayjFRDIXRLD60ByJ3NmG8/GltNIoMu+yjMbECuh0O6Bn7g3XB913RGwP26pRHnmdH/mCCR5pvNGbdQOYonTPN/NZzIXO7ua+FOydD4IBpF421KoY7tZ5ddJD6QgPNnozOyBXklHptwETl0YGPM3SVsYBxpDxSg=; 25:TaA30kV9gWkyTqg7kuSyWjx/zbGsgkP1/2uqy2SAruIVCyJMHtZ5zeddtfIeX9CLQd1II0n6qD1c69lsVRoW0uNcC8vlgAule4q9QBrlQ5Vo8jUgaCW2FWyIqwPHY5z1D261LoKqWITiZdq37KpQfyJMStMIqiVOP3MBapv+s/Vqdn1Qlq1leWWumvYIkjEniQs1iu9Wi6iC5lRo7qXsgVYEfZRYGFz3S+YiSwcx2QKuhzSCpV0RMaHFM9hrZ60UgXmEsSf7Wiv82da6Ah70ZXVXfO+YnbaAjNPBNarlqUzTcRszBtmyJWHNm/3eTygIhL0Xjbjg0PZaB/ybXXrXUw== X-MS-TrafficTypeDiagnostic: BY2PR07MB2294: X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 31:5CPGQ0jI6xfJAJjIo/zBp6MZopLRxB3lQ4g7fSL7bRx8dxAQhU8P1pP6llp60FeC6ocYR9Ccaw+3lZcb97ZB7wZYAzZQmjU5sJSlEqICLxV+67Xw0NegjGTMaxRasTtzjYr3BRIASBfNdBM5zWmikj1xzkS2rg4Y+uU+8AYmALBdBgKmuo8EIjqcuKBc7xrLdgvIBVxik6GpM1Jj8WdrkdpqEE4NW9pBB6DH5eseB10=; 20: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 X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:(72806322054110); X-MS-Exchange-SenderADCheck: 1 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(3002001)(3231254)(944501410)(52105095)(10201501046)(93006095)(93003095)(149027)(150027)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123562045)(20161123558120)(20161123564045)(6072148)(201708071742011)(7699016); SRVR:BY2PR07MB2294; BCL:0; PCL:0; RULEID:; SRVR:BY2PR07MB2294; X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 4:m/8ETGCU4NUNpYomOLEkbu52Cq518JDXjv7kNdhFPDMQJi9BKDH9r3o31Zqck4cH80AsPywe4P+21W8OiLgKURkIqNDE2f+rvZtlFncHmjZfoKiCIaR0zdsDQNVlFYhjsuk9RHCJrKJvBslOJLFFUZ1wlFa2fqhVfearF3xHuDlt5fUAk48M5nwC0dxumwMwcKfdV2q8SnMwOucWKIaeXYiovRXHMxuZLkbwxLA28tVVIcwhbaIwTer1ps4Rzw6jUCscZrJ/0hCgiaZM1T1oHF2d2N77ySSKQMYVVV2F1sMb2WwN3lufr4rd2OF73HNM X-Forefront-PRVS: 0714841678 X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 23: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 X-Microsoft-Antispam-Message-Info: LQ5kYoYj3fRtQrJkf7bch1EoOHVehF0bltUF07vlxfGBpsP4MiABrTQW89lvOxcDuUwlDMCM5P9EDFAUf6GSnuixasMhF5l6WxOf1cq21mfll/DzoEPBwWlzDr+rnWJsrNXO5mVbdaUU1tvgHnBSP6Ib9EA0GjB2VGN8Ah66Uuz1EItMH7SJBfL5luzP/vMLw1UdtgYxYcK5yV4EX31nEt3fHPx2kPp2w7Iju2/+wIquox3bbpBZyh5vPWf3/+BFka878OuwxHYwqNq0PHBsFJG4+yC52X84h2mfH59hfSdz8RX1WwuTYFKmPxadozVhDlNY184vyikuZCUK94XxXEiCln6um/sG+d1f/nle6/5jJZ2jcocG2CVBoTEu+q9MQRnk3bzfPIHISR0YEyczuw== X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 6:JroP47Vgp0vIoqsMxGT7MmqrAyfQHMiqcKSi8lbLJkazmIYL4tcTYn5XDNleitaW/rwzsHbtVfu8D/BFK5kkIgr6GOBmEmmFQVyDSCCT0jGps05qXfJIUXAIDDBkUxnQVf2nhGlYVG5SakUljz+CsyiUWCa+BCeWrR9OTB5YhHL4g4BHEHfp3cYdbakvZfdyAFhUM3L30mFPiZav0CevlC/DeDr+bKV08/JvIfNJa/hQyBc1Q979n4C0qk5TQ0K3mzmigFJyHWhV6gQ6U1oZOKkdyu2/znz4xjFxdtTnciDMHC18od2pTZlb8beOvn9Qq5y5eaTfBgR4oZ86tT77BEflyrMrbgBdBPSqDkK1X3ZbkLkgkJYmt4SfAcrGmMcHslFaSfWPhf1O9YU7mi19BS9ZPfvOAxY5vOCKpJTm7YS3rzdF/bBBrsQK6Ko2sb94pUVfCDI1T33fL+Kh4lyWXw==; 5:+MfpXf8BfOce4LwO/ym8qjM9pofOfO4fCGlLZDr9uYDLxDOWHnfAJWDAQ2aCcvv6O1Kt/iyr7e6rKkkm5XdpYb2sXHlK4bF85tQ3smXJjE86RoHzx1Q5u66AugEqJjvUeua+CX+XYaXdrSfNUN+hMxtO8Bx2m6dKM3BkeavkJaE=; 24:X48JTo4nqK8PIlprNt8p5vFgjB+cR0NGe508okTZXD2WBTXzCHCzKsCgdLQ8BVnNcWseom965p2T20hv6AiUiXg29GqSFCvkcR5J8cHDZpY= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-Microsoft-Exchange-Diagnostics: 1; BY2PR07MB2294; 7:JhQ32VaFyKCnWTMtt5dkyF8TVRJYOLqe50+Rla6vCyEjc+SlGN0jcxlz9VBK/rGiPGEtXnNA+Nv0dv+HjJym5IXbG2D7NT9j6CuoUutgOIMu4ZWOZREGnRhXg3/mulvvtjsMqqgNDHw2rLGKDK8MHNSCUqy0BiD2mW6uSXJmmdgPhUsXlWWYDec4aAXSMYei7TyDK08JVMuXxZ7GcSGPa0b35AwoeuAxnVflnBk7HPAtfGAg9NsvzD9f0JhTf6U0; 20:6VeSmt7S4R48qdMyWZxUo7BynaBpKjhTKks4Q2FL9POEXnj/2IZwxZTragzPRKMEipmPaVOvZfxUlM8IZvZ6gnMwvAFwJPvJK/mIXooh4dR24//IYrMk3dM0M+TYq9SBKyi9mFdMeT+6EVqG7qB8JU3a6636a9zEzFNSiRRGYKZn8/CvVSS9Ro6tMoA6OnTAVaEEjAnwx+psU663DH87MJc6unLE8WU5hmouvWwZVHYpwh4wn8sZoi/rmdSMJyFT X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jun 2018 08:31:19.9407 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d52883a-1dd4-4b23-2f81-08d5da760722 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[199.43.4.28]; Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR07MB2294 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org These PM ops will enable/disable the optional PHYs if present. The AXI link-down register in the host driver is now cleared in cdns_pci_map_bus since the link-down bit will be set if the PHY has been disabled. It is not cleared when enabling the PHY, since the link will not yet be up. Signed-off-by: Alan Douglas --- drivers/pci/controller/pcie-cadence-ep.c | 1 + drivers/pci/controller/pcie-cadence-host.c | 3 ++ drivers/pci/controller/pcie-cadence.c | 30 ++++++++++++++++++++++++++++ drivers/pci/controller/pcie-cadence.h | 4 +++ 4 files changed, 38 insertions(+), 0 deletions(-) diff --git a/drivers/pci/controller/pcie-cadence-ep.c b/drivers/pci/controller/pcie-cadence-ep.c index c02f33d..3eabd99 100644 --- a/drivers/pci/controller/pcie-cadence-ep.c +++ b/drivers/pci/controller/pcie-cadence-ep.c @@ -555,6 +555,7 @@ static void cdns_pcie_ep_shutdown(struct platform_device *pdev) .driver = { .name = "cdns-pcie-ep", .of_match_table = cdns_pcie_ep_of_match, + .pm = &cdns_pcie_pm_ops, }, .probe = cdns_pcie_ep_probe, .shutdown = cdns_pcie_ep_shutdown, diff --git a/drivers/pci/controller/pcie-cadence-host.c b/drivers/pci/controller/pcie-cadence-host.c index 36f3109..e3e9b7d 100644 --- a/drivers/pci/controller/pcie-cadence-host.c +++ b/drivers/pci/controller/pcie-cadence-host.c @@ -61,6 +61,8 @@ struct cdns_pcie_rc { /* Check that the link is up */ if (!(cdns_pcie_readl(pcie, CDNS_PCIE_LM_BASE) & 0x1)) return NULL; + /* Clear AXI link-down status */ + cdns_pcie_writel(pcie, CDNS_PCIE_AT_LINKDOWN, 0x0); /* Update Output registers for AXI region 0. */ addr0 = CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS(12) | @@ -345,6 +347,7 @@ static int cdns_pcie_host_probe(struct platform_device *pdev) .driver = { .name = "cdns-pcie-host", .of_match_table = cdns_pcie_host_of_match, + .pm = &cdns_pcie_pm_ops, }, .probe = cdns_pcie_host_probe, }; diff --git a/drivers/pci/controller/pcie-cadence.c b/drivers/pci/controller/pcie-cadence.c index 2edc126..86f1b00 100644 --- a/drivers/pci/controller/pcie-cadence.c +++ b/drivers/pci/controller/pcie-cadence.c @@ -217,3 +217,33 @@ int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie) return ret; } + +#ifdef CONFIG_PM_SLEEP +static int cdns_pcie_suspend_noirq(struct device *dev) +{ + struct cdns_pcie *pcie = dev_get_drvdata(dev); + + cdns_pcie_disable_phy(pcie); + + return 0; +} + +static int cdns_pcie_resume_noirq(struct device *dev) +{ + struct cdns_pcie *pcie = dev_get_drvdata(dev); + int ret; + + ret = cdns_pcie_enable_phy(pcie); + if (ret) { + dev_err(dev, "failed to enable phy\n"); + return ret; + } + + return 0; +} +#endif + +const struct dev_pm_ops cdns_pcie_pm_ops = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(cdns_pcie_suspend_noirq, + cdns_pcie_resume_noirq) +}; diff --git a/drivers/pci/controller/pcie-cadence.h b/drivers/pci/controller/pcie-cadence.h index b342c80..ae6bf2a 100644 --- a/drivers/pci/controller/pcie-cadence.h +++ b/drivers/pci/controller/pcie-cadence.h @@ -166,6 +166,9 @@ #define CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar) \ (CDNS_PCIE_AT_BASE + 0x0804 + (bar) * 0x0008) +/* AXI link down register */ +#define CDNS_PCIE_AT_LINKDOWN (CDNS_PCIE_AT_BASE + 0x0824) + enum cdns_pcie_rp_bar { RP_BAR0, RP_BAR1, @@ -314,5 +317,6 @@ void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie, u8 fn, void cdns_pcie_disable_phy(struct cdns_pcie *pcie); int cdns_pcie_enable_phy(struct cdns_pcie *pcie); int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie); +extern const struct dev_pm_ops cdns_pcie_pm_ops; #endif /* _PCIE_CADENCE_H */