From patchwork Fri Jul 12 03:48:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 11041403 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 454461395 for ; Fri, 12 Jul 2019 03:49:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 320D828B87 for ; Fri, 12 Jul 2019 03:49:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 25BA328BBD; Fri, 12 Jul 2019 03:49:52 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 22C3028B87 for ; Fri, 12 Jul 2019 03:49:51 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=b4JIdFOOdo07wWeisDAD9yvTxPByJ/7La8/eQRl67LI=; b=YteVRLckvPmPN7 ZvNcFkZxasxSYBdZinQQKfQDLqdPwNVCNoYv1k8ppUX43ZZimPF6DFvs6dklZsdFvPKyRYC7tZTE1 gCjVAPxyciVLK+t/zD645BNQuBEXacJO9c3ShgicGcUUcKjmJnnYLpu65H6v13RzTitEuoa4bb1ce T2DU5wiCtMF4wseFJVHtV0Z43YKI3qZjlEvViU1xR12PentHJFVe6BdHe54V6oFeg0oHT3V5JlEAT qA+ezNk7l1UmY/6SZecoS2Y7wJ+lbf/F/aDVm5M+IV9nAqA6EfdVGlEr18hnsJnk/FPRJS4a5GawQ 4G6ZhsZnpWEaEaVNCupg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hlmZ8-000835-1P; Fri, 12 Jul 2019 03:49:46 +0000 Received: from gate2.alliedtelesis.co.nz ([202.36.163.20]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hlmYk-0007gU-Tb for linux-arm-kernel@lists.infradead.org; Fri, 12 Jul 2019 03:49:25 +0000 Received: from mmarshal3.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id C04FB891AF; Fri, 12 Jul 2019 15:49:14 +1200 (NZST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1562903354; bh=ShjLEsSOa7bT84GECNNvZx6dj9lSEuESZh2K8B+Vl40=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Sp9AHedy/8UVM1IZGhKUET1JRx4IzYAqZ1I3YjKpta9+YU8gZuGhk9XFzCSIK6pTz h+IC2trCGrA2uFKXetwowRsIVQcrdjRi9NEAVUww2I7KpRqtZ8b2BNdk9v/2dLfM1t TJ85NgjlBlxWDR7WigCCbfbMQVFk9xMt6c1E9P3H2x/4uG7nLN3WSJhVrF9DDftnIR p34ID1W3ZpPOaDW8VbbE0v+BnjCrOJjNPw0ZcPjJwX2/D72OSxWCJpeZGXsFmB8jT9 JLmmZbmzOQCDqRgE2JLaDtZvlzaZ6icISV51bS9CqBui4zDXkYH6YtFwmsHlA1HgEV d2RcfISyXacng== Received: from smtp (Not Verified[10.32.16.33]) by mmarshal3.atlnz.lc with Trustwave SEG (v7, 5, 8, 10121) id ; Fri, 12 Jul 2019 15:49:14 +1200 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by smtp (Postfix) with ESMTP id 110DA13EECF; Fri, 12 Jul 2019 15:49:16 +1200 (NZST) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 488211E1D7A; Fri, 12 Jul 2019 15:49:14 +1200 (NZST) From: Chris Packham To: bp@alien8.de, robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, patches@armlinux.org.uk, mchehab@kernel.org, james.morse@arm.com, jlu@pengutronix.de Subject: [PATCH v9 3/8] ARM: l2x0: support parity-enable/disable on aurora Date: Fri, 12 Jul 2019 15:48:59 +1200 Message-Id: <20190712034904.5747-4-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190712034904.5747-1-chris.packham@alliedtelesis.co.nz> References: <20190712034904.5747-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 x-atlnz-ls: pat X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190711_204923_164808_495FE1C5 X-CRM114-Status: UNSURE ( 9.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Chris Packham , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org 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 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 83b733a1f1e6..46a616ec6b0c 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -1493,6 +1493,13 @@ 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;