From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_DBL_ABUSE_MALW,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5F32C2D0DB for ; Tue, 28 Jan 2020 12:40:47 +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 71C1A206A2 for ; Tue, 28 Jan 2020 12:40:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UH6zGItH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71C1A206A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=/+VAdipD9DXh5YnQmQFXQXxUjZR6VA6oQGFQC+guEIA=; b=UH6zGItH8uYMSfpu/GzUCcBNBg juz/PjbTLDKKy2gY3e0ajlnL+ic8Ln1G4E4zKRnMKLMYC5mdGQtcgvlgvMb0pLsJHl12PuIKTKX0R nSU/6kR5IaBR8y1lASnglY6n/oVJE1WJFlEf4jB3eMgaJWxC3uOV7pTCzyYJ+QjK0EVEjvLv7S6gz p702MMARDJwU0M6p35o9sWt8BNVw1i+XyDZBgYDfkjkhwy7knD8IrSK8v/KrM1Bos3txiAh4e5B+7 PH6r9KPrIVgujZeVOfO7R5wbhbnKy8T3LEL6IEK5oWh/T2dklTgLXVCxHpavGa2NVKsjCxzNj56uL qRs4OwYA==; 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 1iwQAc-0004ET-DY; Tue, 28 Jan 2020 12:40:42 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iwQ9e-0002J7-B6 for linux-arm-kernel@lists.infradead.org; Tue, 28 Jan 2020 12:39:44 +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 C9A35101E; Tue, 28 Jan 2020 04:39:41 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.1.151]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 70C0B3F52E; Tue, 28 Jan 2020 04:39:39 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/6] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register Date: Tue, 28 Jan 2020 18:09:06 +0530 Message-Id: <1580215149-21492-4-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580215149-21492-1-git-send-email-anshuman.khandual@arm.com> References: <1580215149-21492-1-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200128_043942_431413_E8BACE22 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. 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: Catalin Marinas , Suzuki K Poulose , Will Deacon , linux-kernel@vger.kernel.org, Anshuman Khandual MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX, SpecSEI in ID_MMFR4 register per ARM DDI 0487E.a. Cc: Catalin Marinas Cc: Will Deacon Cc: Suzuki K Poulose Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/arm64/include/asm/sysreg.h | 8 ++++++++ arch/arm64/kernel/cpufeature.c | 7 +++++++ 2 files changed, 15 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 469d61c8fabf..fcbbf287478e 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -718,6 +718,14 @@ #define ID_ISAR6_DP_SHIFT 4 #define ID_ISAR6_JSCVT_SHIFT 0 +#define ID_MMFR4_EVT_SHIFT 28 +#define ID_MMFR4_CCIDX_SHIFT 24 +#define ID_MMFR4_LSM_SHIFT 20 +#define ID_MMFR4_HPDS_SHIFT 16 +#define ID_MMFR4_CNP_SHIFT 12 +#define ID_MMFR4_XNX_SHIFT 8 +#define ID_MMFR4_SPECSEI_SHIFT 0 + #define ID_PFR0_DIT_SHIFT 24 #define ID_PFR0_CSV2_SHIFT 16 diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 9e4dab15c608..73fc8e02ed99 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -325,7 +325,14 @@ static const struct arm64_ftr_bits ftr_id_isar5[] = { }; static const struct arm64_ftr_bits ftr_id_mmfr4[] = { + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_EVT_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_CCIDX_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_LSM_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_HPDS_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_CNP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_XNX_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 4, 4, 0), /* ac2 */ + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_HIGHER_SAFE, ID_MMFR4_SPECSEI_SHIFT, 4, 0), ARM64_FTR_END, }; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel