From patchwork Thu Nov 22 00:11:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 10693315 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 56C9A15A7 for ; Thu, 22 Nov 2018 00:13:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 47D7C2893C for ; Thu, 22 Nov 2018 00:13:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3C26D28BF9; Thu, 22 Nov 2018 00:13:39 +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=-3.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW 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 DB88F2893C for ; Thu, 22 Nov 2018 00:13:38 +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=Nk0ry2PghGb0k7WQidCsqjZ198KtKLWGBzkNtHoamfA=; b=ACKnTUX2rfTw8W /S5eARzE/6ynbxQS04YnG1lUfPk07VSpYPAhOfNGVQuS2Nd7E2cQNN+/lZbbyrQGFNqzBnromrR0h cj6oPxYVH57eJfTwagKKL0vDvKygeZV1FoHAAejs+KAby55PzXg2T0nbt7T9BL4rGoLR2TfhypWYw vTd5M3KBLg2iWosDtGJfF3qpd3UbEOI10YmmaHeq1jhQI2VbpcUpoRyQk6Qa2YaeJMKve4ur0s21r wcTyCqp8mIeuPO4op9SG+tRdHjJp3QyPzt+3GCjQAH0UEUnvbTzecpel9QnE1wPXkXRCTS9NpS7EH ZSpiibZdSNb0SyR7gE6g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gPccc-0002JG-2W; Thu, 22 Nov 2018 00:13:30 +0000 Received: from gate2.alliedtelesis.co.nz ([2001:df5:b000:5::4]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gPcbw-0001aH-FM for linux-arm-kernel@lists.infradead.org; Thu, 22 Nov 2018 00:12:49 +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 A0704886BC; Thu, 22 Nov 2018 13:12:05 +1300 (NZDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1542845525; bh=rae9SLKCduqQ6QEiCm4DhgneloNg8AcReqsB9OpXNK0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=M7jsvJjLd60VdFtabvc1kMoGy2/Ykg2Dk1SCxb8mLyZ7VJauP9VzuXHOeC6C4NSTf NhyQ22LgL+tmAcKXYvEI0QhmEdfgGHprptL9RtGzsrXwD4ZH51k1nQ8xc9S3AB3dU2 f1xnHr9Wsyj8HSoyxmGgqnxUVria/K0oivMqLIV49KhkFfWEbSirVZ7GdYNk7HC7ri KOcIQ25dnrWkLnUFteiSQj7HNSAZksPuKmpvC9hDr46JUQCNsMoMykSbaxT8Hkcqb9 nLEPgsxV101wo8RF0eUHk9DKlTq3dYNXYDxBbfx3ZOfrttET8TKXFSCVdCEL+NZydV A9TLz+oDmsi3A== Received: from smtp (Not Verified[10.32.16.33]) by mmarshal3.atlnz.lc with Trustwave SEG (v7, 5, 8, 10121) id ; Thu, 22 Nov 2018 13:12:05 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by smtp (Postfix) with ESMTP id 0D19813EEFC; Thu, 22 Nov 2018 13:12:08 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 995041E08D9; Thu, 22 Nov 2018 13:12:02 +1300 (NZDT) From: Chris Packham To: linux@armlinux.org.uk, bp@alien8.de, arnd@arndb.de, jlu@pengutronix.de, gregory.clement@bootlin.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 5/9] dt-bindings: ARM: document marvell,ecc-enable binding Date: Thu, 22 Nov 2018 13:11:38 +1300 Message-Id: <20181122001142.19187-6-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181122001142.19187-1-chris.packham@alliedtelesis.co.nz> References: <20181122001142.19187-1-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-20181121_161248_695073_A7BFD993 X-CRM114-Status: UNSURE ( 9.82 ) 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: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Chris Packham , 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 Add documentation for the marvell,ecc-enable properties which can be used to enable ECC on the Marvell aurora cache. Signed-off-by: Chris Packham Reviewed-by: Rob Herring --- Notes: Changes in v7: - remove marvell,ecc-disable Changes in v6: - new (split binding doc from implementation). Documentation/devicetree/bindings/arm/l2c2x0.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/l2c2x0.txt b/Documentation/devicetree/bindings/arm/l2c2x0.txt index fbe6cb21f4cf..69e890d56392 100644 --- a/Documentation/devicetree/bindings/arm/l2c2x0.txt +++ b/Documentation/devicetree/bindings/arm/l2c2x0.txt @@ -76,6 +76,7 @@ Optional properties: specified to indicate that such transforms are precluded. - arm,parity-enable : enable parity checking on the L2 cache (L220 or PL310). - arm,parity-disable : disable parity checking on the L2 cache (L220 or PL310). +- marvell,ecc-enable : enable ECC protection on the L2 cache - arm,outer-sync-disable : disable the outer sync operation on the L2 cache. Some core tiles, especially ARM PB11MPCore have a faulty L220 cache that will randomly hang unless outer sync operations are disabled.