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Mon, 8 Jun 2020 06:19:03 -0700 Received: from [10.140.9.2] (helo=xhdbharatku40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1jiHg6-0006En-TO; Mon, 08 Jun 2020 06:19:03 -0700 From: Bharat Kumar Gogada To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bhelgaas@google.com, lorenzo.pieralisi@arm.com, robh@kernel.org, Bharat Kumar Gogada Subject: [PATCH v8 0/2] Adding support for Versal CPM as Root Port driver Date: Mon, 8 Jun 2020 18:48:56 +0530 Message-Id: <1591622338-22652-1-git-send-email-bharat.kumar.gogada@xilinx.com> X-Mailer: git-send-email 2.7.4 X-RCIS-Action: ALLOW 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-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:(39860400002)(136003)(376002)(396003)(346002)(46966005)(36756003)(83380400001)(316002)(426003)(336012)(82740400003)(70586007)(70206006)(5660300002)(82310400002)(356005)(478600001)(47076004)(81166007)(2616005)(6666004)(107886003)(8676002)(8936002)(4326008)(9786002)(186003)(7696005)(26005)(2906002);DIR:OUT;SFP:1101; X-MS-PublicTrafficType: Email MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 5fd56cb5-4749-41f8-05f5-08d80bae8a1c X-MS-TrafficTypeDiagnostic: SN1PR02MB3710: X-LD-Processed: 657af505-d5df-48d0-8300-c31994686c5c,ExtAddr X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-Forefront-PRVS: 042857DBB5 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 1dIq/CYHKnZLssWP/j/yUF/lnL2ibUID3kfo/aulPyhbwGr0yX6LaloP4HO2Dx+OsBw0rTsPLoydGZySKgvx/csRaYzK6z8RflFMuop0mD2sepnUCd+0hCXOyPUR6tX3ba4cVrIFxERqH2cbskGNa+TvcpyP2E/0zyVnjHHUF8NcC+sY85aY8rJ8wk255iNhElD058RvygfEw5vaXFhiO2hJ1hgG8+MwDD+5lBFQerw9ZMISdAkzPwBupNWrnFrpbOBbEpthljLBbZykaHyVpkSxZBRvJyHfhSFQjuwnRdp34aHMFxrqbo/NWN5ntGxwuPkDZtv9E5/qD23b0YEym51MQHeLzfc4y/JXOAqvoBFmRsFLauomeokBx5LhoKMTs4YTFxs4FFKQjfdW/zNOmg== X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jun 2020 13:19:14.1992 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5fd56cb5-4749-41f8-05f5-08d80bae8a1c 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-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR02MB3710 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org - Adding support for Versal CPM as Root port. - The Versal ACAP devices include CCIX-PCIe Module (CPM). The integrated block for CPM along with the integrated bridge can function as PCIe Root Port. - Versal CPM uses GICv3 ITS feature for assigning MSI/MSI-X vectors and handling MSI/MSI-X interrupts. - Bridge error and legacy interrupts in Versal CPM are handled using Versal CPM specific interrupt line. Changes for v8: - Added support for handling error events and INTx interrupts separately using nested chained irqchips. - Added support to free allocated resources in error cases. Bharat Kumar Gogada (2): PCI: xilinx-cpm: Add YAML schemas for Versal CPM Root Port PCI: xilinx-cpm: Add Versal CPM Root Port driver .../devicetree/bindings/pci/xilinx-versal-cpm.yaml | 99 ++++ drivers/pci/controller/Kconfig | 8 + drivers/pci/controller/Makefile | 1 + drivers/pci/controller/pcie-xilinx-cpm.c | 621 +++++++++++++++++++++ 4 files changed, 729 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml create mode 100644 drivers/pci/controller/pcie-xilinx-cpm.c -- 2.7.4