From patchwork Fri Jun 30 14:51:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jan_L=C3=BCbbe?= X-Patchwork-Id: 9819811 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 41248603F2 for ; Fri, 30 Jun 2017 14:53:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 202B52041F for ; Fri, 30 Jun 2017 14:53:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 11D682865F; Fri, 30 Jun 2017 14:53:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 60C0F2041F for ; Fri, 30 Jun 2017 14:53:58 +0000 (UTC) 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=aPxtLG3pbI1cPAMI5LfStCWho+zRVz7Vpqsp0FMJEYs=; b=mrRdiW6ivBkW4i2mxQ6TdtIzcS CM0XwDluH3BNa3+wqHURdkh8xUfwzkeT/lZAZNsV5RKu7qF44SwunfiSLrW5PHTw+C0iqSEHrqZyJ mxowQhGt9L9hlHasbLMAidpR3iHcqy4DrLwMWZOu6RumrSNzXpdiebL9HcUeicI4WTCoGS3AtV2Hp 822r6ZGUJK7MIJBJTpC7xYyO+YKbV++dCUZJxEy37xL0nlzG/ODDTa5j1NW6HrWX3w9lcQjcND4zo 5DmEXXxp14Sm6mfRE0BrDP0LgWPpjqgDskstyG7RM62qoWMRD6jLz4/PYfihA1n2uSVvGT4Ah28aX 51RnCq3w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dQxIt-0005oy-U6; Fri, 30 Jun 2017 14:53:51 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dQxH8-0003wj-6g for linux-arm-kernel@lists.infradead.org; Fri, 30 Jun 2017 14:52:09 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dQxGg-00087q-2u; Fri, 30 Jun 2017 16:51:34 +0200 Received: from jlu by dude.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1dQxGe-0003MU-7n; Fri, 30 Jun 2017 16:51:32 +0200 From: Jan Luebbe To: Chris Packham , linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org Subject: [PATCH 3/8] ARM: l2x0: support parity-enable/disable on aurora Date: Fri, 30 Jun 2017 16:51:01 +0200 Message-Id: <20170630145106.29820-4-jlu@pengutronix.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170630145106.29820-1-jlu@pengutronix.de> References: <20170630145106.29820-1-jlu@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: jlu@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170630_075203_520052_D8994D71 X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Gregory CLEMENT , Jan Luebbe , kernel@pengutronix.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chris Packham The aurora cache on the Marvell Armada-XP SoC supports the same tag parity features as the other l2x0 cache implementations. Signed-off-by: Chris Packham [jlu@pengutronix.de: use aurora specific define AURORA_ACR_PARITY_EN] Signed-off-by: Jan Luebbe --- arch/arm/mm/cache-l2x0.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 7d2d2a3c67d0..b70bee74750d 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -1505,6 +1505,13 @@ static void __init aurora_of_parse(const struct device_node *np, mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; } + if (of_property_read_bool(np, "arm,parity-enable")) { + mask |= AURORA_ACR_PARITY_EN; + val |= AURORA_ACR_PARITY_EN; + } else if (of_property_read_bool(np, "arm,parity-disable")) { + mask |= AURORA_ACR_PARITY_EN; + } + *aux_val &= ~mask; *aux_val |= val; *aux_mask &= ~mask;