From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2C2A638C437; Tue, 16 Jun 2026 18:40:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781635221; cv=none; b=NKRzCG38motYbu4SlJqTC9fBI5mO7kbIXlDn/ONBGI1i4Hn/vFzyE9w2BwU2krZtKDM3n3DC26VZcC9WjqzKv5KQZ/BmR9iDG8LCZSBA7B6eT5ZF6+ZMuTSWKnbonm0rBpsv5I/zh6S9EOzbPieI5fg1vxBybTEaUQfkyzTw4yk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781635221; c=relaxed/simple; bh=qzPluVIC3/h5uiDExHCy0PLoHW70Kw0G8FrDKuA7Mmk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k07prHfgmhNe4wVISpIaMMpZjlmYtCWLIKCO1mhw4Dww92ptrjk+g9KAOcTw54j76uUOUvB2O+VaBCh6q5RzjPHmm9wCyHI1PNr6zsgELZZgiidJT3vZ11fCWLGLL7PWUox48Yiq1DUEJLoXxF0K0nr85k4NTySE23dS4Y8t9Dc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bTVnlecg; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bTVnlecg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F3EF1F000E9; Tue, 16 Jun 2026 18:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781635220; bh=tJjZMRnH5jkd1KvbimL8FR9I6DcEj7qC9NkBCPCXkcQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bTVnlecglqxTk4w9I0wbLQFGjxT9GSMDYOx97LOjPx9vhce9TPiloGWxOrympUd+B oa47hgUGzqaykNh99cGEl1SmEA5w2UajGyBzejgVJOxKyul6bFwsxO/Af3nB8g2jsP iaKWxUemZYem2XYyixsurSI7joh1aoGRgwyu48cs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mark Rutland , Catalin Marinas , Will Deacon Subject: [PATCH 5.15 403/411] arm64: cputype: Add C1-Ultra definitions Date: Tue, 16 Jun 2026 20:30:41 +0530 Message-ID: <20260616145122.592414663@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260616145100.376842714@linuxfoundation.org> References: <20260616145100.376842714@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mark Rutland commit 60349e64a6c65f9f0aa118af711b3c7e137f07ff upstream. Add cputype definitions for C1-Ultra. These will be used for errata detection in subsequent patches. These values can be found in the C1-Ultra TRM: https://developer.arm.com/documentation/108014/0100/ ... in section A.5.1 ("MIDR_EL1, Main ID Register"). Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon Signed-off-by: Will Deacon [Mark: backport to v5.15.y] Signed-off-by: Mark Rutland Signed-off-by: Greg Kroah-Hartman --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -97,6 +97,7 @@ #define ARM_CPU_PART_NEOVERSE_V3 0xD84 #define ARM_CPU_PART_CORTEX_X925 0xD85 #define ARM_CPU_PART_CORTEX_A725 0xD87 +#define ARM_CPU_PART_C1_ULTRA 0xD8C #define ARM_CPU_PART_NEOVERSE_N3 0xD8E #define APM_CPU_PART_POTENZA 0x000 @@ -166,6 +167,7 @@ #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) #define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725) +#define MIDR_C1_ULTRA MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_C1_ULTRA) #define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)