From patchwork Mon Apr 7 19:51:04 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 14041898 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4D2E1C369A4 for ; Mon, 7 Apr 2025 21:48:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Cc:To: In-Reply-To:References:Message-Id:Content-Transfer-Encoding:Content-Type: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MbXHpTIvY3lK/PUhp27uVmw/pyQFw3cH2yjbLrE9G6w=; b=ObsiTh/ThLxLvLkDIkkC6ygWz8 sz2xXllBuozLxYFlzEvk9D10pN0mB7Ro5FCfiK+K1aE/J2fxARFQzXXbA9ckveMzyasSs1nlrDtm0 Xr6mPyvRXmSBiGYu6QRnoXOUYuETJK9wxSdfIXMMwFfjFVTzUxWH6AjewWgZPtfXfFcXWCRcUli+z AZvygJ9g6zJeS7c7ONOsnaF4BkG+aHn33oznOA499NUmknzX/j5eqlDN74hGhOjGbifFRtT7coi1+ gYWpYQ1o2gLJi0enwoY7X1VCZ7R9OyTVNx1Ig4bskQLPqHix6uN4dix/cqqYvM5Ya0oBmf3/PrsPk okzfr7PQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1u1uKB-000000026YZ-1JKZ; Mon, 07 Apr 2025 21:48:11 +0000 Received: from mail-db8eur05on20630.outbound.protection.outlook.com ([2a01:111:f403:2614::630] helo=EUR05-DB8-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1u1sWE-00000001saN-3S6a for linux-arm-kernel@lists.infradead.org; Mon, 07 Apr 2025 19:52:31 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=eld8ufndr6/CzTXVFfTkdU+WInJQqwnCa+Ts+xTLMIvTSVXMjntnFAe/oQf1++2LiHrw7FqtnfzFlB7iZDLC3CGdZCSKevDKLWXdbzA4tJImymv89Aa3IGEiz+Vy6rTckDUzTPOlYOjGvXKn3QDRGVrZyie1CMPrJLHMsVeudOQnHZVfNZyaXz992lGndC457uTiw2YHUgScJCSjrmn2+eWK3T32LFvioHkvj7DTTDTdCeYxo/aeazhFoHOUOGVLySsozsUSkNVICtRdN3cmBolw7nn0DbueaAyBsqKw8oEeG6VJeflI0kHFWxcawZ9lQ9HLa79954X+RkOvqqtf7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=MbXHpTIvY3lK/PUhp27uVmw/pyQFw3cH2yjbLrE9G6w=; b=bYqM19LYN8j3XwxpVmO4vsgZa1fjj80duU4Hq/qWPioF0Rhz0MqbyFYxyaOQ/+xiKLrSJHhDkH4ov+abrVzL+CUQxvPURSmM5i4yXWfc4cD1mgE9Th+n6u5BzaBX9SIHsJcoO3TKrT4NXNes0dzA0e19XbANb6ISkLg0gYTsgOEoWNzBLft9DIFpzURTqaCdGGWAX8pXuPK+Wx2gq2kHbcAKVpDAVIoMU/fuAmCbT6/UBw8jWtF/nlYPbWgp9FASZ5pqaKG8UILkwdJuvcuF9oaip2+9moe5fa8toskA2Xq2ZnDIT/fattHr/Pw71vwDpgQUUfB7KsFaOheh+szUyg== 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=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MbXHpTIvY3lK/PUhp27uVmw/pyQFw3cH2yjbLrE9G6w=; b=ZP2Wpigx9Tzn2QK77vaI66xLPTSp/Z8dUZJHanKd8gvZ/E6/Lc43H2Bjz7iCCUMHaL+/iZDJZ9uiu3KhmeGZG4RbRJYnvaobuLMscpl2uFBpntccTJhI3T7zuHO2s+j7xYX+g0Ib6jK+jglNJYeXUUmZ98hjov19NEN8Gwt325o4dvxNPhFvLm+XCpcxQ+2TEEKfh1OhUdgGPExyhRI3CtsViSKBT5PKPKg0azekuTOSlm8dexrV4GAeFzo651k84tPIeE+Wp0RDqsk+QUnZqE60tZyfSNSZeP2p53px1sn/fGIP1JjsSQlOqDRch7B70lyulE/SekVZ9a2SN7VgdA== 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 PR3PR04MB7452.eurprd04.prod.outlook.com (2603:10a6:102:80::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8606.34; Mon, 7 Apr 2025 19:52:28 +0000 Received: from PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::9126:a61e:341d:4b06]) by PAXPR04MB9642.eurprd04.prod.outlook.com ([fe80::9126:a61e:341d:4b06%2]) with mapi id 15.20.8606.029; Mon, 7 Apr 2025 19:52:28 +0000 From: Frank Li Date: Mon, 07 Apr 2025 15:51:04 -0400 Subject: [PATCH v17 14/15] pci: imx6: Add LUT setting for MSI/IOMMU in Endpoint mode Message-Id: <20250407-ep-msi-v17-14-633ab45a31d0@nxp.com> References: <20250407-ep-msi-v17-0-633ab45a31d0@nxp.com> In-Reply-To: <20250407-ep-msi-v17-0-633ab45a31d0@nxp.com> To: Kishon Vijay Abraham I , "Rafael J. Wysocki" , Thomas Gleixner , Anup Patel , Kishon Vijay Abraham I , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Manivannan Sadhasivam , =?utf-8?q?Krzysz?= =?utf-8?q?tof_Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Bjorn Helgaas , Arnd Bergmann , Shuah Khan , Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Krzysztof Kozlowski , Conor Dooley Cc: Niklas Cassel , dlemoal@kernel.org, jdmason@kudzu.us, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kselftest@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, Frank Li X-Mailer: b4 0.13-dev-e586c X-Developer-Signature: v=1; a=ed25519-sha256; t=1744055468; l=1486; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=y13NGoBJeE1mUHUBweMBxtJI2C8OON0QvH2vvgiDgJs=; b=Aw+d+Gamxsf/Lhl1B/XKnOYRNdM+fzI+azX0X92agdxDe4V7Xm8Bpd3gaeyVSO2unvLzg5X9M o9vQwdsfpisCcNjR0TmIhfpw1BVlBKkjJgpVyl9DipBU1gWlTLRrGjf X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-ClientProxiedBy: AS4P189CA0041.EURP189.PROD.OUTLOOK.COM (2603:10a6:20b:5dd::15) To PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9642:EE_|PR3PR04MB7452:EE_ X-MS-Office365-Filtering-Correlation-Id: 7fbd6d77-a6ac-4e0a-93c6-08dd760db9cd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|366016|1800799024|38350700014|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?q?SJsgLVDq7qwzN0rViZuez9Il4eoO1Yy?= =?utf-8?q?f85wd1yMaV2KDSOh57Cn7W8bFKoMontSxhowHzEuN9fpXfnk5ubZkxHUAG84HjudE?= =?utf-8?q?+adEJuIDzEwcp/s1jGhCsJ1TO1el2OaFOA6LYeYgd3Tys0MXCeylIN44tXeb6ZxuN?= =?utf-8?q?Ve4ZHGyQS/dOR2b1REKv/cdzQ7bTzXaCfOTsJjSY7bG/HpD+pa7DCkc8IGEbuPblB?= =?utf-8?q?A8v8ac6NGxG2KwJcpFcsCESD59mbLQBA9XynShkeldILxIZz3FhOM72VcER9poJoP?= =?utf-8?q?JjFLFZfaecLN4308XpKxesA54GLG72cIoB6BWvFcny5IH2AQUtnCvO9zQgGLtkIjL?= =?utf-8?q?lplxEXdSwOetsscZD7ak4mc7Bv472Ua/RcysMtBK9S2kTLAGIRZXpMyhRqpfkNxn0?= =?utf-8?q?ikRzcaXLbrs7T9EvCsGmt3EK5ANCAnFeBFUxnofe8b7HYTRqqA8kVy4dic4+rQycj?= =?utf-8?q?lrO04iAObBmfgASU+Ab215Fzi1dqTqdAygGQgkoL0Y4yFgRgkvsihtXZJU5N4t88S?= =?utf-8?q?KRCymBMEf0q6gGvrIYqMK7/h6QEgW+xBku7OMaL8kgcjYy8eu5NZ9PcTPFnl1N8kj?= =?utf-8?q?iUHYxvCd5FywAvI2M6NzKTvBsHmYSGRxgr6pn6hR/rLxCjllhP7zKs7QWMQgxY6mP?= =?utf-8?q?VC/wWkiBH7IYrMVO311x7pyO7MGPkx9xlzbhQB3mJirU73kKnkKdwxwzOF5f0iUzZ?= =?utf-8?q?AmAkYK8aN8O5DLgoWB7FOSJ4QpxyfgAQfjprtiPSyV8QWnlYsqtzqDXvzAxK2VjSf?= =?utf-8?q?dMCBDNt9CwZNh5qRzmye5XP0ZI2NiLcV2LdNugbfW0Q7zV1oRQLM2fndG3OfAMlpS?= =?utf-8?q?utyLaNnZNVeMqvm8ADZj4orhYGzvYhN7d7Wq2R+G3Ii3X6J4b4oMhXIEaH4pb9d+z?= =?utf-8?q?LTtNJOOIZFDjA+Ph5K+HoiJpdqn9k96LqASwea+VHqaSI/Ix3zRR7GhvKZOKMpbCu?= =?utf-8?q?mS2eXjN5yzMRwemWvyQrHkxDeCkUkjfU47+GJPeWT7mVJhUMv56BFd5alt3si2WCM?= =?utf-8?q?hn8k6CmBPTqsAtL7wJ6bp4uW8i7L4lQOVUaq79H637QAqUt3HeOCMT7vD+XUw9iE1?= =?utf-8?q?A+2k1TITkFm9mW0jGHNOPBDBHwsvnrjiFBo5x9LroQ3akbGoNMawFIbuveKbJWmS2?= =?utf-8?q?Mraa+CnAvM9/mQbD7aWiXM9WOtpl4UxGUvO66A2TTThk52pIognsziTjyluB2KzR+?= =?utf-8?q?scxZNh0hoTcxqp2gZfvTR5Ky+IGstYk6onJI8xwG6afZMoPuLY8HwO50Ksfc2Atoj?= =?utf-8?q?fQ7ZZSsrvmOIiOaUNqzlblpFINRRZx9HWenrWfztckRAZwp92qTeFGLIgvZv2OBPr?= =?utf-8?q?uY5kx7/hYPlU7vddnklsdaRVESy9vkaBRhS9YsNYMO7FeQ0Kci8KYAowVpMf8lZNb?= =?utf-8?q?N/Ahw8HmsRE/m7OOK9SH5+Qotm7OwIKKQ=3D=3D?= 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:(13230040)(376014)(7416014)(52116014)(366016)(1800799024)(38350700014)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?byocNhRgz6qtOR4h51eSi6ByU0cB?= =?utf-8?q?lRUwaWRwc6A7BEAyHtv6qQVwZaAwXR0ZX0JpB2LgtZuskqtBhyxo48Be1HLlCE8NC?= =?utf-8?q?HLeyb4Mfnlg/3ryTIluoD/l3lJpzY1swuggYxKdN+ovQfEIrc2eNOyXYSg3a22Etc?= =?utf-8?q?MkPI0eCecsDJ+8vAnBuor1jmgSY44NfRXgjftIZwTnGhbavNqN9xEkwRPR57Hr4a/?= =?utf-8?q?J6eB3ZRtp+aKwIzAu6J8V9lj0pbbRuhDOVTV4iyhCKVxEcXDmWyvEn5UVbeT0WqD6?= =?utf-8?q?bWgG37fReossko2COj+WV6XbgGivrsOqJcULDscGBwQ7aWb4zOgDemn8B1lMlIgmc?= =?utf-8?q?4sv2NAYFhxYT7R0asvCJYkG86od/ulNqF+cssC1qCRgcfl2M0aq5dGyZdGUR81vFc?= =?utf-8?q?Z7mwT4iH9poIbxqqgv/+xWkoHw7PFrL+hZrbs/1zB7oIFFDZuhHYmOh6rTRQbRKcW?= =?utf-8?q?AinkmqeSyGrgvNzUZeywdCFrOj9HfHDCPAOPZoL6dhWD6MObMAy+RZ7TI/HpSFyt5?= =?utf-8?q?zj7bObGsLigl9FovG0ybTDb2346pYlka6B+7pjGazKBTAYhncBGvWtzKRp3FLbQtQ?= =?utf-8?q?T0cXJy9R9E61/EMS/PZWcmXQEw09lbtKFMNZWMgF5edMcYXqQAO32xcoUpm7dJFTY?= =?utf-8?q?fdQ/aNsYEhPvdJ+cG4vbbTC6Zb4UjWzErZ1mak6eJEgm9X+dnhQCyglYZ/8wGBJ1f?= =?utf-8?q?tXGoIV2EBZiGSv8dPt2lPXrAedwell8asxZMI5LGLlSD+mAQej1h6vELh70DHTPGd?= =?utf-8?q?+YIDD16BGokaNM1XDSLH9tmu8/tsxfKG1XzQwoVw62CpID+VQiRWtI19AY11SJeyM?= =?utf-8?q?j0tUyAumpfOZzGiAvXMgybGwM4OoeXWO/rv4OoeTbP7NkLzvdUMYv5zdahI1Ubbe6?= =?utf-8?q?VuFRpIs/1PSwJZEt1Ra/lzGIuU43ckTfhOc8enlYyeagZ549St7yV2jeZY3cWIhun?= =?utf-8?q?JiLKcHytXeQtjGp95eR1AlgJHBgyvR/v7pXWerMGfUr5CIl1xoJ+oWcvLneMw+BlR?= =?utf-8?q?nGdZI4lKXz/ylby+BjEhWPhu/cZQhyvplDYg7H+wjMXtWAjIPYdA8XYJSlzjpmh9c?= =?utf-8?q?E88kBJ+Q548FslVK/64TvmkmUn3wqYWJq7djhiP+ugJ3IF+QmXNQTGnkkUd2JdCx+?= =?utf-8?q?sefLD6u4XnUSaUJGvtZ7pup4al1TgOU3qql6pGP28wPIbCDNo0obA7o77n+nJ3SMl?= =?utf-8?q?vzf8Z77hpB8e6qvHQnJCPhGyU450dXioDiuWSPvGocDM3lH3It5afZSxmM+ePVC5C?= =?utf-8?q?muQaRBp44LyRQ2b6eDEXhTQmogr/5ktVsjP4jKl0GsAk+vGtd0OVvsWqrxAkkc1ew?= =?utf-8?q?hzLJKCrhpcOVlAQwYXgb8IJlyyr6j7l/bscodDhX9MEuNPRYIyYlZda62lXlIw/5U?= =?utf-8?q?pGqivK+/fXRdpAGrQlV/Be9t5Jb1f585fsi5ijMInrIBxD6c0zx5NEfhTTcA/5sxr?= =?utf-8?q?osmKoVxoSLo3YX04EIXDO1JsbKkN2PwwENQ5FGGz3hHYkFJ0pi+R+YQNbOCtJf4+P?= =?utf-8?q?zmCDF6y7Scaj?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7fbd6d77-a6ac-4e0a-93c6-08dd760db9cd X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2025 19:52:28.1336 (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: RSTKlSmeQW9FCavh73R7WUlFx1lHJ9cX4/iMnxr6NQ+3AgCzaKPB3XJaBbi8NPhWt1WKRSosI3cAGcAnTEBNwg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR3PR04MB7452 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250407_125230_866482_C8200C7D X-CRM114-Status: GOOD ( 15.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support only one physical function, so call imx_pcie_add_lut_by_rid(0) to add a single LUT entry when operating in EP mode. Signed-off-by: Frank Li --- change from v14 to v16 - none change from v13 to v14 - new patch --- drivers/pci/controller/dwc/pci-imx6.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index d1b1365e7469e..a6e4630fcf530 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -992,7 +992,10 @@ static int imx_pcie_add_lut(struct imx_pcie *imx_pcie, u16 rid, u8 sid) data1 |= IMX95_PE0_LUT_VLD; regmap_write(imx_pcie->iomuxc_gpr, IMX95_PE0_LUT_DATA1, data1); - data2 = IMX95_PE0_LUT_MASK; /* Match all bits of RID */ + if (imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE) + data2 = 0x7; /* EP side's RID from RC, only 'D' is meansful */ + else + data2 = IMX95_PE0_LUT_MASK; /* Match all bits of RID */ data2 |= FIELD_PREP(IMX95_PE0_LUT_REQID, rid); regmap_write(imx_pcie->iomuxc_gpr, IMX95_PE0_LUT_DATA2, data2); @@ -1622,6 +1625,9 @@ static int imx_pcie_probe(struct platform_device *pdev) ret = imx_add_pcie_ep(imx_pcie, pdev); if (ret < 0) return ret; + + /* Only support one physical function */ + imx_pcie_add_lut_by_rid(imx_pcie, 0); } else { pci->pp.use_atu_msg = true; ret = dw_pcie_host_init(&pci->pp);