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Fri, 10 May 2019 22:15:41 +1200 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by smtp (Postfix) with ESMTP id 49F3413EF9E; Fri, 10 May 2019 22:15:40 +1200 (NZST) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id D2F681E1D5B; Fri, 10 May 2019 22:15:39 +1200 (NZST) From: Chris Packham To: linux@armlinux.org.uk, bp@alien8.de, mark.rutland@arm.com, robh+dt@kernel.org, mchehab@kernel.org, james.morse@arm.com, jlu@pengutronix.de, gregory.clement@bootlin.com Subject: [PATCH v8 6/9] ARM: l2x0: add marvell,ecc-enable property for aurora Date: Fri, 10 May 2019 22:15:33 +1200 Message-Id: <20190510101536.6724-7-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190510101536.6724-1-chris.packham@alliedtelesis.co.nz> References: <20190510101536.6724-1-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-20190510_031550_924904_F5F8EDCF X-CRM114-Status: GOOD ( 10.69 ) 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: devicetree@vger.kernel.org, Chris Packham , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The aurora cache on the Marvell Armada-XP SoC supports ECC protection for the L2 data arrays. Add a "marvell,ecc-enable" device tree property which can be used to enable this. Signed-off-by: Chris Packham [jlu@pengutronix.de: use aurora specific define AURORA_ACR_ECC_EN] Signed-off-by: Jan Luebbe --- Notes: Changes in v7: - remove marvell,ecc-disable arch/arm/mm/cache-l2x0.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index b70bee74750d..e5380f7b14a5 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -1505,6 +1505,11 @@ static void __init aurora_of_parse(const struct device_node *np, mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; } + if (of_property_read_bool(np, "marvell,ecc-enable")) { + mask |= AURORA_ACR_ECC_EN; + val |= AURORA_ACR_ECC_EN; + } + if (of_property_read_bool(np, "arm,parity-enable")) { mask |= AURORA_ACR_PARITY_EN; val |= AURORA_ACR_PARITY_EN; -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel