From patchwork Tue Feb 6 19:56:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 127093 Delivered-To: patch@linaro.org Received: by 10.46.124.24 with SMTP id x24csp3231053ljc; Tue, 6 Feb 2018 11:59:28 -0800 (PST) X-Google-Smtp-Source: AH8x224fM3WZ9kmw1ZJDlPJG11UmQHjHD5IuNe+jR/mmDFKqmiZU07pKkT1P/fsuAGL1Qq5IDdpk X-Received: by 10.107.40.143 with SMTP id o137mr4450687ioo.72.1517947167940; Tue, 06 Feb 2018 11:59:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517947167; cv=none; d=google.com; s=arc-20160816; b=n6tGVPXbsC3BxvhO6e5/NN63asC1C1+zuJ7IqHZY7dj1ednqJ3z9l2H5b6QNjb5PHj 2uIOdx1CwTXT7JoC8ts9j4cCCIQNuf+xUiNiQwWYHu/W63mCXPGAkeSxUDHZA2enUjHc typXyQ5Tiv177xmE5E/CK0DBtYBGEICPFXtBXcmQusbVUdKeIVNx3sCRdc9Hzctt2OcG H99CadGRUu0GzKKou6yn+fQK7Xup3AeHarO1tzljdxyX6Prquyot/zZOLD3MNffjTDxF j2432Xzf1UeF2ieaNR+ldyISrGpy9UIH4fuxV1WPFuUHQ+UYQ9JY0AOr9VBEEIQYCDjF rJVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-unsubscribe:list-id :precedence:subject:cc:references:in-reply-to:message-id:date:to :from:arc-authentication-results; bh=WBt9mKIDdKmkEicJjT8MQsRd3wem1C2ZyCwRJFa4GmY=; b=JUD+oQCA+AN77NtqnT7s+nAsENUMUSPJN2lcJ4EaHoaAgpQOQ3Q/gxtNg8ESg3Sglr LjHxVO/2J22KbHR/A7mZnf60qKLLx/BTrDieasxP2HNFhWstmbbizS7y1JoduLiIdCOw +lje/7UxMKcM2DbXhyJZYsEhjPa99hn1lAjLLAtbrotmkbaO8IuQsIIqJILD6spzeklO ziuZPmy56LsDsD9yztPlUsf9/RRLc8xVfdWJ5jQP0TlyqxBW9y31muJw2YYrcwDIEFyW jjBnJtsqI33pjLnnN0ePCgDdNmfskLuKOphPuph6sKhMFb7p3poNt72mv76jvaMgTaWx KNwA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org. [192.237.175.120]) by mx.google.com with ESMTPS id t124si185603itf.146.2018.02.06.11.59.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2018 11:59:27 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ej9Mh-0001J6-Nk; Tue, 06 Feb 2018 19:57:15 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ej9Mf-0001IC-Vu for xen-devel@lists.xen.org; Tue, 06 Feb 2018 19:57:14 +0000 X-Inumbo-ID: 06789bb6-0b78-11e8-b9b1-635ca7ef6cff Received: from foss.arm.com (unknown [217.140.101.70]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTP id 06789bb6-0b78-11e8-b9b1-635ca7ef6cff; Tue, 06 Feb 2018 19:57:56 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4FFC280D; Tue, 6 Feb 2018 11:57:07 -0800 (PST) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.206.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1D45C3F25C; Tue, 6 Feb 2018 11:57:05 -0800 (PST) From: Julien Grall To: xen-devel@lists.xen.org Date: Tue, 6 Feb 2018 19:56:55 +0000 Message-Id: <20180206195655.7097-3-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180206195655.7097-1-julien.grall@arm.com> References: <20180206195655.7097-1-julien.grall@arm.com> Cc: andre.przywara@arm.com, Julien Grall , sstabellini@kernel.org, ian.jackson@eu.citrix.com, mjaggi@caviumnetworks.com Subject: [Xen-devel] [PATCH 2/2] xen/arm: Blacklist SMMU on Thunder-X X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Xen does not yet support Cavium SMMU because it requires some workaround. For the time being, blacklist them. Signed-off-by: Julien Grall --- xen/arch/arm/platforms/Makefile | 1 + xen/arch/arm/platforms/thunderx.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 xen/arch/arm/platforms/thunderx.c diff --git a/xen/arch/arm/platforms/Makefile b/xen/arch/arm/platforms/Makefile index 53a47e48d2..80e555cc14 100644 --- a/xen/arch/arm/platforms/Makefile +++ b/xen/arch/arm/platforms/Makefile @@ -6,5 +6,6 @@ obj-$(CONFIG_ARM_32) += omap5.o obj-$(CONFIG_ARM_32) += rcar2.o obj-$(CONFIG_ARM_64) += seattle.o obj-y += sunxi.o +obj-$(CONFIG_ARM_64) += thunderx.o obj-$(CONFIG_ARM_64) += xgene-storm.o obj-$(CONFIG_ARM_64) += xilinx-zynqmp.o diff --git a/xen/arch/arm/platforms/thunderx.c b/xen/arch/arm/platforms/thunderx.c new file mode 100644 index 0000000000..f5d7044296 --- /dev/null +++ b/xen/arch/arm/platforms/thunderx.c @@ -0,0 +1,39 @@ +/* + * xen/arch/arm/platforms/thunderx.c + * + * Cavium Thunder-X specific settings + * + * Copyright (c) 2018 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; under version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; If not, see . + */ + +#include + +static const char * const thunderx_dt_compat[] __initconst = +{ + "cavium,thunder-88x", + NULL +}; + +static const struct dt_device_match thunderx_blacklist_dev[] __initconst = +{ + /* Cavium has its own SMMU which is not yet supported. */ + DT_MATCH_COMPATIBLE("cavium,smmu-v2"), + { /* sentinel */ }, +}; + +PLATFORM_START(thunderx, "THUNDERX") + .compatible = thunderx_dt_compat, + .blacklist_dev = thunderx_blacklist_dev, +PLATFORM_END