From patchwork Fri Mar 6 11:43:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11423701 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 A07E214B7 for ; Fri, 6 Mar 2020 11:45:15 +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 7E7512072A for ; Fri, 6 Mar 2020 11:45:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MgZdlxvb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E7512072A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=RSrjVuoil+7Cud9POGvsAcP8PYRf4QKzZ03MsRUZFO4=; b=MgZdlxvbm99qLd l3Hb/jk4OC0RFy13iStY4bzUK9vCP+6Vot5m5wzUVCtDKdxS4kdMx5eQDu3ZidH3fcWhQgbkujlwO TxZisATN94E5Xhi9zD+YUkb8+PGNRY8a0dQ3Ggloj2/GcEIkR2dDFe1Zhf4zIVnA7iEAfBcmFHdz3 GP7Ab6fR6jGjs98nJ/vRx+vT6RNArA7Lzg+QthfGGIL//I6DtSigSOYxlnGfKGLU+cEgodxmpLPzf qXxV5iRqCQ6tFmpueyjF2J/OL91jR8MAt5TnWiCSx83x3Ao0lsTd7htOh38t7RDefC86yce98OJdx ku00uNE2FVPvudJC9ScQ==; 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 1jABPl-0007AB-9M; Fri, 06 Mar 2020 11:45:13 +0000 Received: from mx2.suse.de ([195.135.220.15]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jABOa-00052y-EU; Fri, 06 Mar 2020 11:44:02 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id F3588AF77; Fri, 6 Mar 2020 11:43:58 +0000 (UTC) From: Nicolas Saenz Julienne To: linux-kernel@vger.kernel.org, Mathias Nyman Subject: [PATCH v4 4/4] USB: pci-quirks: Add Raspberry Pi 4 quirk Date: Fri, 6 Mar 2020 12:43:48 +0100 Message-Id: <20200306114348.5172-5-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200306114348.5172-1-nsaenzjulienne@suse.de> References: <20200306114348.5172-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200306_034400_661945_E65B756F X-CRM114-Status: GOOD ( 14.98 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [195.135.220.15 listed in wl.mailspike.net] -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [195.135.220.15 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 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 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: f.fainelli@gmail.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, Nicolas Saenz Julienne , tim.gover@raspberrypi.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, wahrenst@gmx.net Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org On the Raspberry Pi 4, after a PCI reset, VL805's firmware may either be loaded directly from an EEPROM or, if not present, by the SoC's VideCore. Inform VideCore that VL805 was just reset. Also, as this creates a dependency between XHCI_PCI and VideoCore's firmware interface, reflect that on the firmware interface Kconfg. Signed-off-by: Nicolas Saenz Julienne --- Changes since v3: - Add more complete error message. - Add braces around if statement Changes since v1: - Make RASPBERRYPI_FIRMWARE dependent on this quirk to make sure it gets compiled when needed. drivers/firmware/Kconfig | 1 + drivers/usb/host/pci-quirks.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index ea869addc89b..40a468d712a5 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -180,6 +180,7 @@ config ISCSI_IBFT config RASPBERRYPI_FIRMWARE tristate "Raspberry Pi Firmware Driver" depends on BCM2835_MBOX + default XHCI_PCI help This option enables support for communicating with the firmware on the Raspberry Pi. diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index beb2efa71341..452f5f12b042 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -16,6 +16,9 @@ #include #include #include + +#include + #include "pci-quirks.h" #include "xhci-ext-caps.h" @@ -1243,11 +1246,24 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev) static void quirk_usb_early_handoff(struct pci_dev *pdev) { + int ret; + /* Skip Netlogic mips SoC's internal PCI USB controller. * This device does not need/support EHCI/OHCI handoff */ if (pdev->vendor == 0x184e) /* vendor Netlogic */ return; + + if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483) { + ret = rpi_firmware_init_vl805(pdev); + if (ret) { + /* Firmware might be outdated, or something failed */ + dev_warn(&pdev->dev, "Failed to load VL805's firmware: %d\n", ret); + dev_warn(&pdev->dev, "Will continue to attempt to work, " + "but bad things might happen. You should fix this...\n"); + } + } + if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI && pdev->class != PCI_CLASS_SERIAL_USB_OHCI && pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&