From patchwork Fri Feb 21 18:03:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 13986133 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 98C02C021B3 for ; Fri, 21 Feb 2025 18:05:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=hbv4AXnvb4z6KlFmqbCkLBb7rkXcyOhM/VJHS907KB8=; b=k8DJ7hARgTDJnyXQLq41i+rpJC BlqHy9oqZcMTdCFvgaXQSVFIwi5XwgsYU2UsadmmTqfKlmFlztQNJNTceB71Kz2bTQIIiRxz5CON2 FzJZ4vT1R5BTuURFSVlsmBPP+sPJK6wbiKCKXg11yvCKvVbRLYWoB2PPFlQBnDfTyzhmSFHcZs3LC l+CQcwSsy9m9j8m1TbSBds/J91aPfuw1RvMy5JMnf5rZ8jp6FQi5TyRpVHJ8RwmUkV3ruCN9dPdzM KymtEeLxRkognOVZ/NGs9ilvfLgyegO+XvsP4BqOxxjj0g9hlhD8ljTYiK1PMTeppOsQ632iwnL4e K4OHMoHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tlXPH-00000006SaK-00nn; Fri, 21 Feb 2025 18:05:47 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tlXNV-00000006SCV-1bOU for linux-arm-kernel@lists.infradead.org; Fri, 21 Feb 2025 18:03:58 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F2435169C; Fri, 21 Feb 2025 10:04:13 -0800 (PST) Received: from e119884-lin.cambridge.arm.com (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 283C43F59E; Fri, 21 Feb 2025 10:03:54 -0800 (PST) From: Vincenzo Frascino To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Vincenzo Frascino , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi , Russell King , Will Deacon , Mark Rutland , Jessica Clarke Subject: [PATCH v7 00/10] arm64: dts: Add Arm Morello support Date: Fri, 21 Feb 2025 18:03:39 +0000 Message-ID: <20250221180349.1413089-1-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250221_100357_506157_7D00671C X-CRM114-Status: GOOD ( 14.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Morello architecture is an experimental extension to Armv8.2-A, which extends the AArch64 state with the principles proposed in version 7 of the Capability Hardware Enhanced RISC Instructions (CHERI) ISA [1]. This series adds dts support for the Arm Morello System Development Platform. [1] https://www.morello-project.org/ To simplify the testing a linux tree rebased on 6.14-rc4 is accessible at [2]. [2] https://codeberg.org/vincenzo/linux/src/branch/morello/dts/v6 Cc: Linus Walleij Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: Liviu Dudau Cc: Sudeep Holla Cc: Lorenzo Pieralisi Cc: Russell King Cc: Will Deacon Cc: Mark Rutland Cc: Jessica Clarke Signed-off-by: Vincenzo Frascino Changes ======= v7: - Rebased on 6.14-rc4. - Added review info. v6: - Introduce arm,morello.yml. - Split pmu patch. - Address review comments. v5: - Add support for fvp. - Add support for pmu. - Address review comments. - Rebase on 6.14-rc1. v4: - Add cache information. - Address review comments. v3: - Address review comments. - Rebase on 6.13-rc5. v2: - Addressed review comments. - Rebased on 6.13-rc4. - Renamed arm,morello to arm,morello-sdp for clarity. Vincenzo Frascino (10): arm64: Kconfig: Update description for CONFIG_ARCH_VEXPRESS dt-bindings: arm: Add Morello compatibility dt-bindings: arm: Add Morello fvp compatibility dt-bindings: arm: Add Rainier compatibility dt-bindings: arm-pmu: Add support for ARM Rainier PMU perf: arm_pmuv3: Add support for ARM Rainier PMU arm64: dts: morello: Add support for common functionalities arm64: dts: morello: Add support for soc dts arm64: dts: morello: Add support for fvp dts MAINTAINERS: Add Vincenzo Frascino as Arm Morello Maintainer .../devicetree/bindings/arm/arm,morello.yaml | 35 ++ .../devicetree/bindings/arm/cpus.yaml | 1 + .../devicetree/bindings/arm/pmu.yaml | 1 + MAINTAINERS | 7 + arch/arm64/Kconfig.platforms | 5 +- arch/arm64/boot/dts/arm/Makefile | 1 + arch/arm64/boot/dts/arm/morello-fvp.dts | 77 +++++ arch/arm64/boot/dts/arm/morello-sdp.dts | 157 +++++++++ arch/arm64/boot/dts/arm/morello.dtsi | 323 ++++++++++++++++++ drivers/perf/arm_pmuv3.c | 2 + 10 files changed, 606 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/arm,morello.yaml create mode 100644 arch/arm64/boot/dts/arm/morello-fvp.dts create mode 100644 arch/arm64/boot/dts/arm/morello-sdp.dts create mode 100644 arch/arm64/boot/dts/arm/morello.dtsi