From patchwork Tue May 26 19:12:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 11571067 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DB28D13B4 for ; Tue, 26 May 2020 19:13:42 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B98DF208C3 for ; Tue, 26 May 2020 19:13:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KqeJXc04"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="kMVkvfh2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B98DF208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=9dEl8MihcAOoWIRfR6FYBFx7xGTejK5jdzXv4QcBhZ0=; b=Kqe JXc04BIBxhCoydSguOSe3v0CwrgAbBJcU5X7FpaIFvYLOu/8ZeQ96PAsq2n8BEP9gE/wTgWy/sCXb /kll8RPfYXJdRLu6sDJ2shglzgPbfQiK306JSTmc0GaXtvHdp2m3w8lAr0qKQK9BX06c69ILOTBs4 66LCbkpRYALjiuBHm+tDZZX3ONErZYe5PaHxGe5W4+L4A7F1Vo0/s11iI46OTjVJou9mm3H5h/VFh H8nkc9PQTdowRwn3dMApGt7iu80A6d+QSUoAHw0vSEDPcUPiKr0SYxOAfH3jLpwZl32/PsYggLyTD cQIjCyRS8hY1noCXUqkpaeb8DiUI55g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdf17-0003F1-20; Tue, 26 May 2020 19:13:37 +0000 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdf0s-00033o-Ib; Tue, 26 May 2020 19:13:25 +0000 Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.242.48]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 3A98130D62B; Tue, 26 May 2020 12:13:16 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com 3A98130D62B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1590520396; bh=+b41cKto7oBml6gbt0P3Uc1iMp9Snf8kHAJBk8ILXSc=; h=From:To:Cc:Subject:Date:From; b=kMVkvfh2RF6stG81DoEIP5rW2Bb1X314UrWcAaVH2vesNfHDGDr6KhshbNA46ZHix 7ZwntfMj7r7NDOxK4+O77jSehqnV1xcgzxPORE2AO6ggOOFgMQnDPaBIK+8fl7+mZP rhW1OIwreN8UcomYfGhgxrbXcaiUc4E8Vm+33GjA= Received: from stbsrv-and-01.and.broadcom.net (stbsrv-and-01.and.broadcom.net [10.28.16.211]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 6F1C914008B; Tue, 26 May 2020 12:13:13 -0700 (PDT) From: Jim Quinlan To: linux-pci@vger.kernel.org, Christoph Hellwig , Nicolas Saenz Julienne , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com Subject: [PATCH v2 00/14] PCI: brcmstb: enable PCIe for STB chips Date: Tue, 26 May 2020 15:12:39 -0400 Message-Id: <20200526191303.1492-1-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200526_121322_958755_D1F66C04 X-CRM114-Status: UNSURE ( 9.16 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [192.19.229.170 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ulf Hansson , Heikki Krogerus , "open list:LIBATA SUBSYSTEM Serial and Parallel ATA drivers" , Julien Grall , Rob Herring , Stefano Stabellini , Saravana Kannan , "Rafael J. Wysocki" , Alan Stern , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" , Corey Minyard , Suzuki K Poulose , Mark Brown , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , Dan Williams , Andy Shevchenko , "moderated list:ARM PORT" , Greg Kroah-Hartman , Oliver Neukum , open list , Wolfram Sang , "open list:DMA MAPPING HELPERS" , "open list:USB SUBSYSTEM" , Robin Murphy MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org v2: Commit: "device core: Add ability to handle multiple dma offsets" o Added helper func attach_dma_pfn_offset_map() in address.c (Chistoph) o Helpers funcs added to __phys_to_dma() & __dma_to_phys() (Christoph) o Added warning when multiple offsets are needed and !DMA_PFN_OFFSET_MAP o dev->dma_pfn_map => dev->dma_pfn_offset_map o s/frm/from/ for dma_pfn_offset_frm_{phys,dma}_addr() (Christoph) o In device.h: s/const void */const struct dma_pfn_offset_region */ o removed 'unlikely' from unlikely(dev->dma_pfn_offset_map) since guarded by CONFIG_DMA_PFN_OFFSET_MAP (Christoph) o Since dev->dma_pfn_offset is copied in usb/core/{usb,message}.c, now dev->dma_pfn_offset_map is copied as well. o Merged two of the DMA commits into one (Christoph). Commit "arm: dma-mapping: Invoke dma offset func if needed": o Use helper functions instead of #if CONFIG_DMA_PFN_OFFSET Other commits' changes: o Removed need for carrying of_id var in priv (Nicolas) o Commit message rewordings (Bjorn) o Commit log messages filled to 75 chars (Bjorn) o devm_reset_control_get_shared()) => devm_reset_control_get_optional_shared (Philipp) o Add call to reset_control_assert() in PCIe remove routines (Philipp) v1: This patchset expands the usefulness of the Broadcom Settop Box PCIe controller by building upon the PCIe driver used currently by the Raspbery Pi. Other forms of this patchset were submitted by me years ago and not accepted; the major sticking point was the code required for the DMA remapping needed for the PCIe driver to work [1]. There have been many changes to the DMA and OF subsystems since that time, making a cleaner and less intrusive patchset possible. This patchset implements a generalization of "dev->dma_pfn_offset", except that instead of a single scalar offset it provides for multiple offsets via a function which depends upon the "dma-ranges" property of the PCIe host controller. This is required for proper functionality of the BrcmSTB PCIe controller and possibly some other devices. [1] https://lore.kernel.org/linux-arm-kernel/1516058925-46522-5-git-send-email-jim2101024@gmail.com/ Jim Quinlan (14): PCI: brcmstb: PCIE_BRCMSTB depends on ARCH_BRCMSTB ata: ahci_brcm: Fix use of BCM7216 reset controller dt-bindings: PCI: Add bindings for more Brcmstb chips PCI: brcmstb: Add bcm7278 reigister info PCI: brcmstb: Add suspend and resume pm_ops PCI: brcmstb: Add bcm7278 PERST support PCI: brcmstb: Add control of rescal reset of: Include a dev param in of_dma_get_range() device core: Add ability to handle multiple dma offsets arm: dma-mapping: Invoke dma offset func if needed PCI: brcmstb: Set internal memory viewport sizes PCI: brcmstb: Accommodate MSI for older chips PCI: brcmstb: Set bus max burst size by chip type PCI: brcmstb: Add bcm7211, bcm7216, bcm7445, bcm7278 to match list .../bindings/pci/brcm,stb-pcie.yaml | 40 +- arch/arm/include/asm/dma-mapping.h | 13 +- drivers/ata/ahci_brcm.c | 14 +- drivers/of/address.c | 69 ++- drivers/of/device.c | 2 +- drivers/of/of_private.h | 8 +- drivers/pci/controller/Kconfig | 3 +- drivers/pci/controller/pcie-brcmstb.c | 408 +++++++++++++++--- drivers/usb/core/message.c | 3 + drivers/usb/core/usb.c | 3 + include/linux/device.h | 10 +- include/linux/dma-direct.h | 10 +- include/linux/dma-mapping.h | 46 ++ kernel/dma/Kconfig | 13 + 14 files changed, 559 insertions(+), 83 deletions(-)