From patchwork Thu Jan 25 16:42:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Elisei X-Patchwork-Id: 13531388 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 73176137C42; Thu, 25 Jan 2024 16:46:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706201171; cv=none; b=qBhU4UL2HTa7oyYogYYrxjI005A/0FwnRelTbwhESQvctXl84gXtLI+jco3QLjZiQaK2eK+JOZZJX/gacG6nk/5S8dlXXDVYxNYDc1NnaQt6NtjyzRosApgUXFMShchTWoO0DL2K4KxKnHmv1rkxN4JuiXD2Rf2kXpwaiSHsfhM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706201171; c=relaxed/simple; bh=RYSkqFOQ01hFCkK6kdRl4zoorgEFa1qy6JwzzkzXoKc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=OJjmxybI1hql6mlmqZ9vubcCnUuFM/lw7XLXqbZEuqqTSqj3K2sP+Nfzf5Iqr3a0ohjbbnk2RzwUv5GXZr1PBbVUkts9dQxmIqFMejhkiTwudtuoBBirIAe/FSX5iyAjEfP24Uw0pgDjfbbpxbjSxtTtAukW7dk0rEvbgkeBa8A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 908D41762; Thu, 25 Jan 2024 08:46:53 -0800 (PST) Received: from e121798.cable.virginm.net (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A7DED3F5A1; Thu, 25 Jan 2024 08:46:03 -0800 (PST) From: Alexandru Elisei To: catalin.marinas@arm.com, will@kernel.org, oliver.upton@linux.dev, maz@kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, arnd@arndb.de, akpm@linux-foundation.org, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, mhiramat@kernel.org, rppt@kernel.org, hughd@google.com Cc: pcc@google.com, steven.price@arm.com, anshuman.khandual@arm.com, vincenzo.frascino@arm.com, david@redhat.com, eugenis@google.com, kcc@google.com, hyesoo.yu@samsung.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH RFC v3 35/35] HACK! arm64: dts: Add fake tag storage to fvp-base-revc.dts Date: Thu, 25 Jan 2024 16:42:56 +0000 Message-Id: <20240125164256.4147-36-alexandru.elisei@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125164256.4147-1-alexandru.elisei@arm.com> References: <20240125164256.4147-1-alexandru.elisei@arm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Faking a tag storage region for FVP is useful for testing. Signed-off-by: Alexandru Elisei --- Changes since rfc v2: * New patch, not intended to be merged. arch/arm64/boot/dts/arm/fvp-base-revc.dts | 42 +++++++++++++++++++++-- 1 file changed, 39 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts index 60472d65a355..e9f44420cb62 100644 --- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts +++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts @@ -165,10 +165,30 @@ C1_L2: l2-cache1 { }; }; - memory@80000000 { + memory0: memory@80000000 { device_type = "memory"; - reg = <0x00000000 0x80000000 0 0x80000000>, - <0x00000008 0x80000000 0 0x80000000>; + reg = <0x00 0x80000000 0x00 0x80000000>; + numa-node-id = <0x00>; + }; + + /* tags0 */ + tags_memory0: memory@8f8000000 { + device_type = "memory"; + reg = <0x08 0xf8000000 0x00 0x4000000>; + numa-node-id = <0x00>; + }; + + memory1: memory@880000000 { + device_type = "memory"; + reg = <0x08 0x80000000 0x00 0x78000000>; + numa-node-id = <0x01>; + }; + + /* tags1 */ + tags_memory1: memory@8fc00000 { + device_type = "memory"; + reg = <0x08 0xfc000000 0x00 0x3c00000>; + numa-node-id = <0x01>; }; reserved-memory { @@ -183,6 +203,22 @@ vram: vram@18000000 { reg = <0x00000000 0x18000000 0 0x00800000>; no-map; }; + + tags0: tag-storage@8f8000000 { + compatible = "arm,mte-tag-storage"; + reg = <0x08 0xf8000000 0x00 0x4000000>; + block-size = <0x1000>; + tagged-memory = <&memory0>; + reusable; + }; + + tags1: tag-storage@8fc00000 { + compatible = "arm,mte-tag-storage"; + reg = <0x08 0xfc000000 0x00 0x3c00000>; + block-size = <0x1000>; + tagged-memory = <&memory1>; + reusable; + }; }; gic: interrupt-controller@2f000000 {