From patchwork Fri Nov 10 09:03:05 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: 10052635 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 083CE603FA for ; Fri, 10 Nov 2017 09:04:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE9902B0ED for ; Fri, 10 Nov 2017 09:04:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E24EE2B2BE; Fri, 10 Nov 2017 09:04:57 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED 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 B466C2B0ED for ; Fri, 10 Nov 2017 09:04:56 +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=HzjcxmbeFqEuRaEeJEoCVOOEXB ik5Ch++PEeC/1NjbCkF4tfLzQoedlog2kqPo5fkSH0cT9g803BwcFtNIPYU1SBxA8E0ztkI9wXiYO Jsmmcr3LjIgEwbUp/i7gUfOC5TKC0x1E3PBJV3glNIybrismKAEF6MpnJHL1ZHcwGBB8wOcspxeAg xZ33Ikg4JWb42B55NE3MSgn40o9TyscwpmgpKA75R+pwnaLG7fBxl+C9OrW7h4RLoMP6Vsqn2gS58 1zF2akeE6p4KjjnF09eZ6HpUBIP14sLnowearCu0WKedIChmNNWvmAspr+/3AMQ328xC/a+ydu+Gu 1uJzeYiA==; 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 1eD5F9-0008Ev-Vh; Fri, 10 Nov 2017 09:04:56 +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 1eD5E8-00075B-MQ for linux-arm-kernel@lists.infradead.org; Fri, 10 Nov 2017 09:03:57 +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 1eD5DY-0007gV-B9; Fri, 10 Nov 2017 10:03:16 +0100 Received: from jlu by dude.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1eD5DV-0005qg-OV; Fri, 10 Nov 2017 10:03:13 +0100 From: Jan Luebbe To: Russell King - ARM Linux , Borislav Petkov , Chris Packham , linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org Subject: [PATCH v3 4/7] ARM: l2x0: support parity-enable/disable on aurora Date: Fri, 10 Nov 2017 10:03:05 +0100 Message-Id: <20171110090308.21562-5-jlu@pengutronix.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171110090308.21562-1-jlu@pengutronix.de> References: <20171110090308.21562-1-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-20171110_010353_034132_A4D4E622 X-CRM114-Status: GOOD ( 10.59 ) 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;