From nobody Thu May 2 20:32:55 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1530709486533414.7482552159588; Wed, 4 Jul 2018 06:04:46 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 8C251210DF772; Wed, 4 Jul 2018 06:04:45 -0700 (PDT) Received: from cam-smtp0.cambridge.arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 5CDD3209884C5 for ; Wed, 4 Jul 2018 06:04:44 -0700 (PDT) Received: from E107992.Emea.Arm.com (E107992.Emea.Arm.com [10.1.211.7]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id w64D4dWA026239; Wed, 4 Jul 2018 14:04:40 +0100 X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=217.140.96.140; helo=cam-smtp0.cambridge.arm.com; envelope-from=alexei.fedorov@arm.com; receiver=edk2-devel@lists.01.org From: AlexeiFedorov To: edk2-devel@lists.01.org Date: Wed, 4 Jul 2018 14:04:40 +0100 Message-Id: <20180704130440.32480-1-Alexei.Fedorov@arm.com> X-Mailer: git-send-email 2.18.0.windows.1 Subject: [edk2] [PATCH] Platform/ARM: Correct LevelID in PLPI packages of DSDT X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nd@arm.com, Stephanie.Hughes-Fitt@arm.com, Arvind Chauhan MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Alexei Fedorov Juno's DSDT contains 2 PLPI packages in Clusters #0 and #1 and _OSC method reports support for platform coordinated mode only. According to the description of LevelID field in ACPI 6.2 Errata A Specification #8.4.4.3, "In a platform that only supports platform coordinated mode, this field must be 0." This patch fixes the above issue by changing value of LevelID fields from 1 to 0. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Alexei Fedorov Reviewed-by: Evan Lloyd Reviewed-by: Thomas Abraham --- All the changes can be reviewed at: https://github.com/AlexeiFedorov/edk2-platforms/tree/282_correct_levelid_v1 Notes: v1: - Change LevelID Value of PLPI package from 1 to 0. Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl b/Platform/ARM/JunoPk= g/AcpiTables/Dsdt.asl index 07e32bae21f891461fde0183028e4c0f817e45a7..702b057757457fee40ddfc10e91= d38c5dd7ca0b8 100644 --- a/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl +++ b/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl @@ -1,7 +1,7 @@ /** @file Differentiated System Description Table Fields (DSDT) =20 - Copyright (c) 2014-2015, ARM Ltd. All rights reserved.
+ Copyright (c) 2014-2018, ARM Ltd. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BS= D License which accompanies this distribution. The full text of the license may b= e found at @@ -65,7 +65,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", "AR= M-JUNO", EFI_ACPI_ARM_O }) Name(PLPI, Package() { 0, // Version - 1, // Level Index + 0, // Level Index 2, // Count Package() { // WFI for CPU 1, // Min residency (uS) @@ -157,7 +157,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", "= ARM-JUNO", EFI_ACPI_ARM_O }) Name(PLPI, Package() { 0, // Version - 1, // Level Index + 0, // Level Index 2, // Count Package() { // WFI for CPU 1, // Min residency (uS) --=20 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)' _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel