From patchwork Thu Aug 17 12:10:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Havalige, Thippeswamy" X-Patchwork-Id: 13356356 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 A5EA3C27C7A for ; Thu, 17 Aug 2023 12:12:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qUNPMC0w36J9V4l6ac+ug2Zh5ruTiRnKgrQBWhb2kKg=; b=AENv1CBFTOLVGQ r9fou9ZwBe8B/C8DKiS1wHYHn3x7tFR5IauScVjZk59d//cfPhunW4yqEmil0buvwMTLGDDLaRG/i 1MrrVHhsD/Z8QfTfBxYFveSNJM/nrMQt9DDxhB6GhARN2/SttwizGr8dDglCb+7IZeP3j+Bn8Bvh0 qjs9g3NAGr2r5Y9TJp5b+EoEyG9dlrCBF/qag5EXOdsnPevYHJeXXvqoeL+NL4976sRlu2XDQ/ppC qp3Na70jQ/4CkneyYOv5Tbx1xVHrRGUwENbl84jZCK4UDUmw37hFx7TxBbw82tJBjtE9vxZpZAnur 4GN1/v9Joc6IvjyKuU7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qWbql-006M7i-0n; Thu, 17 Aug 2023 12:11:39 +0000 Received: from mail-dm6nam10on20601.outbound.protection.outlook.com ([2a01:111:f400:7e88::601] helo=NAM10-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qWbqK-006M1q-0X for linux-arm-kernel@lists.infradead.org; Thu, 17 Aug 2023 12:11:13 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WDul/3834V1DAGN5oegE+jtiPacQfaOF0vt+somhaC6mI3Wf+B/Sh1L3d8eXZ9QkCJNZFhjVMmD89BqSu5mOEnsujIMSiwt2Ouy5AWsf8005ivIl5Mc6uy1xO3t4KZPIxFph2tCQczcv9H58YJSiFzjclTILiS44G57AzzLEsWFpFAqZ4r5D3yCX8g2EgNCjPFUw0ZKGCoMRNwP/ev+ukjQFOmw+Dzq5fMhdfpZT1lY/4mEj3E9zvpfhGov2IMTd8eHTKFNzmRBNA/e294OEYJA9XWgOea8Yw/FnVlVV3W8fyJ0PWw6Zhg8Mczx9kVJubUNuVScAMehN+aoWTovxmA== 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=EBJZOK/3Sd/hkz9852w+GyNxaltQ9eMs0gDMLPobpgA=; b=HBCrUJo7DPZ/iO0jRVs8EokbDBQj/+a2i+vBfg5BrEkiB0nNiHA1K9xartNmDjD7qXs9nP9CMTOJYoYvvRqKCtyKHs1xv2j7/znQVt0OSEgizX2RfH6EL3YrG+xeaDSXwZ1ViUG2kJNZ/HT7H0THfWVHQMO+XUPTKOwflDq+GsAlNkyCWWA+TuMlmeG/huUX+d/Ozq0zfiJNP2Idw/iCT0K8S21WUnTJH6/EL1SQiI/APyz7uks5pv9aqVFHkKfuoRrfEP8jzqUm0qUj9ip9cdE8djh61/Mh46y5yFhED38WMxtr+PcY+MR+NKg3nxOLBZB+Std0Gy8FZEYsaP0w6A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=EBJZOK/3Sd/hkz9852w+GyNxaltQ9eMs0gDMLPobpgA=; b=A5GlKmLV3aPYVQ+HwPE1GpVn8TdlFTEZ49D1URMHu2NJuBk/Cd+KBZcyRCa5pkpUSBSgOLz1EOE+H4juLmDaZbcS3PqDWyCRODRaETj0D4NDzh/NtypcAINjsAKWlgMIbc5oAJgN012jXTQusEXrX9mHt+ReQqdCnBE1avhvrcc= Received: from DM6PR06CA0010.namprd06.prod.outlook.com (2603:10b6:5:120::23) by DM4PR12MB5167.namprd12.prod.outlook.com (2603:10b6:5:396::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6678.31; Thu, 17 Aug 2023 12:11:06 +0000 Received: from DM6NAM11FT094.eop-nam11.prod.protection.outlook.com (2603:10b6:5:120:cafe::68) by DM6PR06CA0010.outlook.office365.com (2603:10b6:5:120::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6652.33 via Frontend Transport; Thu, 17 Aug 2023 12:11:06 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by DM6NAM11FT094.mail.protection.outlook.com (10.13.172.195) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6699.17 via Frontend Transport; Thu, 17 Aug 2023 12:11:06 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 17 Aug 2023 07:11:05 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 17 Aug 2023 05:11:05 -0700 Received: from xhdthippesw40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Thu, 17 Aug 2023 07:11:02 -0500 From: Thippeswamy Havalige To: , , CC: , , , , , , , "Thippeswamy Havalige" Subject: [PATCH v5 3/3] PCI: xilinx-nwl: Increase ECAM size to accommodate 256 buses Date: Thu, 17 Aug 2023 17:40:44 +0530 Message-ID: <20230817121044.8176-5-thippeswamy.havalige@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230817121044.8176-1-thippeswamy.havalige@amd.com> References: <20230817121044.8176-1-thippeswamy.havalige@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT094:EE_|DM4PR12MB5167:EE_ X-MS-Office365-Filtering-Correlation-Id: da6d1862-542f-4f54-4238-08db9f1b08c3 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(346002)(376002)(39860400002)(136003)(396003)(451199024)(1800799009)(82310400011)(186009)(40470700004)(36840700001)(46966006)(86362001)(36756003)(82740400003)(356005)(81166007)(40480700001)(5660300002)(44832011)(2616005)(110136005)(70206006)(70586007)(478600001)(316002)(6666004)(54906003)(26005)(1076003)(4326008)(8936002)(41300700001)(8676002)(40460700003)(36860700001)(336012)(7416002)(2906002)(426003)(47076005)(4744005)(83380400001)(2101003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Aug 2023 12:11:06.2223 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: da6d1862-542f-4f54-4238-08db9f1b08c3 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT094.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5167 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230817_051112_205787_AC22C8CE X-CRM114-Status: GOOD ( 12.12 ) 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 Our controller is expecting ECAM size to be programmed by software. By programming "NWL_ECAM_VALUE_DEFAULT 12" controller can access up to 16MB ECAM region which is used to detect 16 buses, so by updating "NWL_ECAM_VALUE_DEFAULT" to 16 so that controller can access up to 256MB ECAM region to detect 256 buses. Signed-off-by: Thippeswamy Havalige --- changes in v5: None. --- drivers/pci/controller/pcie-xilinx-nwl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 8fe0e8a325b0..e307aceba5c9 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -126,7 +126,7 @@ #define E_ECAM_CR_ENABLE BIT(0) #define E_ECAM_SIZE_LOC GENMASK(20, 16) #define E_ECAM_SIZE_SHIFT 16 -#define NWL_ECAM_MAX_SIZE 12 +#define NWL_ECAM_MAX_SIZE 16 #define CFG_DMA_REG_BAR GENMASK(2, 0) #define CFG_PCIE_CACHE GENMASK(7, 0)