From nobody Thu Sep 24 18:43:33 2026 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FFD444683D; Mon, 21 Sep 2026 20:37:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790023047; cv=none; b=MHu5urq9mI1szkWpKFV9p1c4QR1qVAdoyDti1y2E0O2btvqIhzq6hfLK5jYWJjOOLw4G5r8FGXKr4iWsu1KSNrJa2AclAT9gB7jNgTOEs8xKCdU81stb8d4BgzejY0kb7TW7JQaqbkXEGdBTGlJmqaMHoyq5/lUP0EHmrK5B42k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790023047; c=relaxed/simple; bh=W/mOa0T0f/2SO4j5UlmgBBx8+2NQZl75mcprKt5L5Kw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=WX1dyzMTNYfLfed6KuhyMkG6PiEQxjhQLB0eiKGr1hytE/BeSPvwI9fZiLD7ZzT+pMvwKwltrJwzahj71hkQNKrZvLs6p4fZUtr3pvOrrvCmgQap02ATSTGav1WwgTCby8Dct+ZERtz1DacJa22wbIaETlUvORztA3F+iRfH6zk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=T7OqyNVK; arc=none smtp.client-ip=80.241.56.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="T7OqyNVK" Received: from smtp202.mailbox.org (smtp202.mailbox.org [IPv6:2001:67c:2050:b231:465::202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519MLKEM768 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 4hpZm15chyzMl0N; Mon, 21 Sep 2026 22:37:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1790023041; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=dH5lOSn31N5rmzucBtFSBAHqxTHDPEZFrYlyKlhTR7A=; b=T7OqyNVKrvMu2Va7Vl+GJYIhH1SPd6TCRQ9CC7BcZtCzooll935LwEtDwI7ic4+e9ii8JB gp3uz+ki31lQtxAlmMe6yJKpTsq8RIceqAgzOmk0M9pkkiVZnOI6a7qz+ab9zk162IjYhc V1JDg/nVPW4TfQXl+owdDF+ojqk/LN44J4/Kz4SxhvtFj8Nn44+bCFHIkw19ANtYz1TpZy YO9ej5JHNOFPRIasilM7L4dS4HkxCP/6vsmDSobx2SRQQeDfv1A8KM81FHYpP07UyrBIs9 Dvm5C7q/s7i/x4iRapadiF0dMWYKe/tksYMDLf9EKY8GNPlVaB444lXsjkXwyg== From: Marek Vasut To: linux-pci@vger.kernel.org Cc: Marek Vasut , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Bjorn Helgaas , Geert Uytterhoeven , Jonathan Corbet , Lorenzo Pieralisi , Magnus Damm , Manivannan Sadhasivam , Randy Dunlap , Rob Herring , Shuah Khan , Yoshihiro Shimoda , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v2] PCI: rcar-gen4: Drop how to obtain platform firmware Date: Mon, 21 Sep 2026 22:36:46 +0200 Message-ID: <20260921203716.73663-1-marek.vasut+renesas@mailbox.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-MBO-RS-ID: f4692ff364f87b53fb5 X-MBO-RS-META: gbznwhfut3za5iz3ihny9xfd5i56fys1 Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific firmware downloading. The firmware is now available via linux-firmware.git repository, drop the documentation about how to obtain the firmware. Signed-off-by: Marek Vasut --- Cc: "Krzysztof Wilczy=C5=84ski" Cc: Bjorn Helgaas Cc: Geert Uytterhoeven Cc: Jonathan Corbet Cc: Lorenzo Pieralisi Cc: Magnus Damm Cc: Manivannan Sadhasivam Cc: Randy Dunlap Cc: Rob Herring Cc: Shuah Khan Cc: Yoshihiro Shimoda Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org --- V2: Drop the documentation and update the commit message --- Documentation/PCI/controller/index.rst | 1 - .../PCI/controller/rcar-pcie-firmware.rst | 32 ------------------- MAINTAINERS | 1 - 3 files changed, 34 deletions(-) delete mode 100644 Documentation/PCI/controller/rcar-pcie-firmware.rst diff --git a/Documentation/PCI/controller/index.rst b/Documentation/PCI/con= troller/index.rst index c15e2c9ac855a..096d1c3d9807a 100644 --- a/Documentation/PCI/controller/index.rst +++ b/Documentation/PCI/controller/index.rst @@ -8,4 +8,3 @@ PCI Native Host Bridge and Endpoint Drivers :maxdepth: 2 =20 pci-controller-drivers - rcar-pcie-firmware diff --git a/Documentation/PCI/controller/rcar-pcie-firmware.rst b/Document= ation/PCI/controller/rcar-pcie-firmware.rst deleted file mode 100644 index 67d3bf66e3158..0000000000000 --- a/Documentation/PCI/controller/rcar-pcie-firmware.rst +++ /dev/null @@ -1,32 +0,0 @@ -.. SPDX-License-Identifier: GPL-2.0 - -=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -Firmware of PCIe controller for Renesas R-Car V4H -=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D - -Renesas R-Car V4H (r8a779g0) has a PCIe controller, requiring a specific -firmware download during startup. - -However, Renesas currently cannot distribute the firmware free of charge. - -The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" (note that the file = name -might be different between different datasheet revisions) can be found in = the -datasheet encoded as text, and as such, the file's content must be convert= ed -back to binary form. This can be achieved using the following example scri= pt: - -.. code-block:: sh - - $ awk '/^\s*0x[0-9A-Fa-f]{4}\s+0x[0-9A-Fa-f]{4}/ { print substr($2,5,2) s= ubstr($2,3,2) }' \ - 104_PCIe_fw_addr_data_ver1.05.txt | \ - xxd -p -r > rcar_gen4_pcie.bin - -Once the text content has been converted into a binary firmware file, veri= fy -its checksum as follows: - -.. code-block:: sh - - $ sha1sum rcar_gen4_pcie.bin - 1d0bd4b189b4eb009f5d564b1f93a79112994945 rcar_gen4_pcie.bin - -The resulting binary file called "rcar_gen4_pcie.bin" should be placed in = the -"/lib/firmware" directory before the driver runs. diff --git a/MAINTAINERS b/MAINTAINERS index 05215fcc18a57..f097e556dfc91 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21170,7 +21170,6 @@ M: Yoshihiro Shimoda L: linux-pci@vger.kernel.org L: linux-renesas-soc@vger.kernel.org S: Maintained -F: Documentation/PCI/controller/rcar-pcie-firmware.rst F: Documentation/devicetree/bindings/pci/*rcar* F: drivers/pci/controller/*rcar* F: drivers/pci/controller/dwc/*rcar* --=20 2.53.0