From patchwork Tue Mar 8 14:20:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laszlo Ersek X-Patchwork-Id: 63686 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp2054878lbc; Tue, 8 Mar 2016 06:20:35 -0800 (PST) X-Received: by 10.67.1.209 with SMTP id bi17mr42184990pad.150.1457446826680; Tue, 08 Mar 2016 06:20:26 -0800 (PST) Return-Path: Received: from ml01.01.org (ml01.01.org. [2001:19d0:306:5::1]) by mx.google.com with ESMTPS id 79si5074176pfm.61.2016.03.08.06.20.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Mar 2016 06:20:26 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) client-ip=2001:19d0:306:5::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) smtp.mailfrom=edk2-devel-bounces@lists.01.org Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 22CD51A1F4C; Tue, 8 Mar 2016 06:20:38 -0800 (PST) X-Original-To: edk2-devel@ml01.01.org Delivered-To: edk2-devel@ml01.01.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id E26A11A1F35 for ; Tue, 8 Mar 2016 06:20:36 -0800 (PST) Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 2CD05BBF55; Tue, 8 Mar 2016 14:20:23 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-113-59.phx2.redhat.com [10.3.113.59]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u28EK7nZ018352; Tue, 8 Mar 2016 09:20:21 -0500 From: Laszlo Ersek To: edk2-devel@ml01.01.org Date: Tue, 8 Mar 2016 15:20:04 +0100 Message-Id: <1457446804-18892-7-git-send-email-lersek@redhat.com> In-Reply-To: <1457446804-18892-1-git-send-email-lersek@redhat.com> References: <1457446804-18892-1-git-send-email-lersek@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Cc: Marcel Apfelbaum , Jordan Justen , Gabriel Somlo , =?UTF-8?q?Micha=C5=82=20Zegan?= Subject: [edk2] [PATCH v2 6/6] OvmfPkg: PciHostBridgeLib: permit access to the full extended config space X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" By now OVMF makes MdeModulePkg/Bus/Pci/PciHostBridgeDxe go through MMCONFIG (when running on Q35). Enable the driver to address each B/D/F's config space up to and including offset 0xFFF. Cc: Gabriel Somlo Cc: Gerd Hoffmann Cc: Jordan Justen Cc: Marcel Apfelbaum Cc: Michał Zegan Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Jordan Justen --- OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 + OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index 5467fff8aa15..bbec74645c83 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -51,3 +51,4 @@ [Pcd] gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 582e87dd9ac0..3e02778492a8 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -16,6 +16,7 @@ #include #include +#include #include #include @@ -139,7 +140,8 @@ InitRootBridge ( RootBus->Mem.Limit = PcdGet64 (PcdPciMmio32Base) + (PcdGet64 (PcdPciMmio32Size) - 1); - RootBus->NoExtendedConfigSpace = TRUE; + RootBus->NoExtendedConfigSpace = (PcdGet16 (PcdOvmfHostBridgePciDevId) != + INTEL_Q35_MCH_DEVICE_ID); DevicePath = AllocateCopyPool (sizeof mRootBridgeDevicePathTemplate, &mRootBridgeDevicePathTemplate);