From patchwork Mon Mar 2 15:55:28 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: 11415791 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 7DFED1580 for ; Mon, 2 Mar 2020 15:56:56 +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 5C542217F4 for ; Mon, 2 Mar 2020 15:56:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cWi8kWvI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5C542217F4 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=ecyEzWsAxXQ/CdWhoV/ZGZxY33zaBN6KS+2UvwCaVtA=; b=cWi8kWvI9Rev3S 3k856WTXNbfqwZLFMylavAz1I1o1HOuN8UeKneqAvQaHM76FBXzNwWZGTVIgClMUjBEzevwIu+9ef mxBwK/GcDvFMolNJsc9oi0YzHQrCz7PPYcYZQ0cr9HARvctoOXlmvTu1KWlBFlIAtFPntGegw6jpG +uLSF+3SRr9r5jUQzBXJjcFSqfem65+l6Z0G0wVrfh50R7n7V0cx/NwpdjNghBzgfeDfY0AVbbdvA o9egWQgdtvk/afNO+v6gharDgzHNmOjBqt9FuDH1sb7yDEg6deZCBP/78IQcS+9sMS7e5Sw3VrlGj obGJzdNv3a74XPuxjw4g==; 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 1j8nR9-0004JM-Pe; Mon, 02 Mar 2020 15:56:55 +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 1j8nQO-0003Op-D9; Mon, 02 Mar 2020 15:56:10 +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 E0C1BAF00; Mon, 2 Mar 2020 15:56:06 +0000 (UTC) From: Nicolas Saenz Julienne To: linux-kernel@vger.kernel.org, Mathias Nyman Subject: [PATCH v3 4/4] USB: pci-quirks: Add Raspberry Pi 4 quirk Date: Mon, 2 Mar 2020 16:55:28 +0100 Message-Id: <20200302155528.19505-5-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200302155528.19505-1-nsaenzjulienne@suse.de> References: <20200302155528.19505-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_075608_589247_BC53A0DF X-CRM114-Status: GOOD ( 15.06 ) 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_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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, reflect that on the firmware interface Kconfg. Signed-off-by: Nicolas Saenz Julienne --- 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 | 18 ++++++++++++++++++ 2 files changed, 19 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..aee2eaa3f0e1 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 +1246,26 @@ 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 else, something + * failed, keep going and hope for the best. + */ + dev_warn(&pdev->dev, + "Failed to load VL805's firmware: %d\n", + ret); + } + if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI && pdev->class != PCI_CLASS_SERIAL_USB_OHCI && pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&