From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEA4AC4CEC5 for ; Thu, 12 Sep 2019 13:01:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 85C212075C for ; Thu, 12 Sep 2019 13:01:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="vu5ODvkm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731814AbfILNBk (ORCPT ); Thu, 12 Sep 2019 09:01:40 -0400 Received: from smtp-fw-6002.amazon.com ([52.95.49.90]:28222 "EHLO smtp-fw-6002.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730454AbfILNBk (ORCPT ); Thu, 12 Sep 2019 09:01:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1568293298; x=1599829298; h=from:to:cc:subject:date:message-id:mime-version; bh=5vMnttMVn1m3hZniO4vh6FvR91fgQ2Rf01D6DZD1UBk=; b=vu5ODvkm4RTFnqNVsEe3Gl1Q7ynW5saSNfTJ7aicsoEreE89+Wfm0Gov 3UaJVfK/ubTDiWJohe1CAwIdIpj/9/nJEwuEgzJnePC0CZBjdTIsnq+OU LRnCxgvZHphTNInogmuUV5KBTsh/YpoaFLD0fMfnN9s7bTqQjlAD9PwnL 4=; X-IronPort-AV: E=Sophos;i="5.64,497,1559520000"; d="scan'208";a="420818728" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-715bee71.us-east-1.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP; 12 Sep 2019 13:01:37 +0000 Received: from EX13MTAUWA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan2.iad.amazon.com [10.40.159.162]) by email-inbound-relay-1a-715bee71.us-east-1.amazon.com (Postfix) with ESMTPS id 42812A2403; Thu, 12 Sep 2019 13:01:33 +0000 (UTC) Received: from EX13D13UWA001.ant.amazon.com (10.43.160.136) by EX13MTAUWA001.ant.amazon.com (10.43.160.58) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 12 Sep 2019 13:01:33 +0000 Received: from u9ff250417f405e.ant.amazon.com (10.43.161.82) by EX13D13UWA001.ant.amazon.com (10.43.160.136) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 12 Sep 2019 13:01:27 +0000 From: Jonathan Chocron To: , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v6 0/7] Amazon's Annapurna Labs DT-based PCIe host controller driver Date: Thu, 12 Sep 2019 16:00:38 +0300 Message-ID: <20190912130042.14597-1-jonnyc@amazon.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.161.82] X-ClientProxiedBy: EX13D02UWC003.ant.amazon.com (10.43.162.199) To EX13D13UWA001.ant.amazon.com (10.43.160.136) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This series adds support for Amazon's Annapurna Labs DT-based PCIe host controller driver. Additionally, it adds 3 quirks (ACS, VPD and MSI-X) and 2 generic DWC patches. Changes since v5: - Modified commit subject of PATCH 6/7 - Removed timestamps from commit message of PATCH 4/7 - Modified ACS quirk according to Bjorn's comments Changes since v4: - Moved the HEADER_TYPE validations to after pp->ops->host_init() and ep->ops->ep_init() - Changed to dw_pcie_rd_own_conf() instead of dw_pcie_readb_dbi() for reading the HEADER_TYPE - Used existing quirk_blacklist_vpd() instead of quirk_al_vpd_release() - Added a newline in ACS quirk comment Changes since v3: - Removed PATCH 8/8 since the usage of the PCI flags will be discussed in the upcoming LPC - Align commit subject with the folder convention - Added explanation regarding ECAM "overload" mechanism - Switched to read/write{_relaxed} APIs - Modified a dev_err to dev_dbg - Removed unnecessary variable - Removed driver details from dt-binding description - Changed to SoC specific compatibles - Fixed typo in a commit message - Added comment regarding MSI in the MSI-X quirk Changes since v2: - Added al_pcie_controller_readl/writel() wrappers - Reorganized local vars in several functions according to reverse tree structure - Removed unnecessary check of ret value - Changed return type of al_pcie_config_prepare() from int to void - Removed check if link is up from probe() [done internally in dw_pcie_rd/wr_conf()] Changes since v1: - Added comment regarding 0x0031 being used as a dev_id for non root-port devices as well - Fixed different message/comment/print wordings - Added panic stacktrace to commit message of MSI-x quirk patch - Changed to pci_warn() instead of dev_warn() - Added unit_address after node_name in dt-binding - Updated Kconfig help description - Used GENMASK and FIELD_PREP/GET where appropriate - Removed leftover field from struct al_pcie and moved all ptrs to the beginning - Re-wrapped function definitions and invocations to use fewer lines - Change %p to %px in dbg prints in rd/wr_conf() functions - Removed validation that the port is configured to RC mode (as this is added generically in PATCH 7/8) - Removed unnecessary variable initializations - Switched to %pR for printing resources Ali Saidi (1): PCI: Add ACS quirk for Amazon Annapurna Labs root ports Jonathan Chocron (6): PCI: Add Amazon's Annapurna Labs vendor ID PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port PCI: Add quirk to disable MSI-X support for Amazon's Annapurna Labs Root Port dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding PCI: dwc: al: Add Amazon Annapurna Labs PCIe controller driver PCI: dwc: Add validation that PCIe core is set to correct mode .../devicetree/bindings/pci/pcie-al.txt | 46 +++ MAINTAINERS | 3 +- drivers/pci/controller/dwc/Kconfig | 12 + drivers/pci/controller/dwc/pcie-al.c | 365 ++++++++++++++++++ .../pci/controller/dwc/pcie-designware-ep.c | 8 + .../pci/controller/dwc/pcie-designware-host.c | 16 + drivers/pci/quirks.c | 38 ++ drivers/pci/vpd.c | 6 + include/linux/pci_ids.h | 2 + 9 files changed, 495 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/pci/pcie-al.txt -- 2.17.1