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From: chris.packham@alliedtelesis.co.nz (Chris Packham)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 2/4] ARM: l2x0: support parity-enable/disable on aurora
Date: Thu,  8 Jun 2017 16:11:22 +1200	[thread overview]
Message-ID: <20170608041124.4624-3-chris.packham@alliedtelesis.co.nz> (raw)
In-Reply-To: <20170608041124.4624-1-chris.packham@alliedtelesis.co.nz>

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 <chris.packham@alliedtelesis.co.nz>
---
 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 808efbb89b88..2cc2653b046f 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 |= L2C_AUX_CTRL_PARITY_ENABLE;
+		val |= L2C_AUX_CTRL_PARITY_ENABLE;
+	} else if (of_property_read_bool(np, "arm,parity-disable")) {
+		mask |= L2C_AUX_CTRL_PARITY_ENABLE;
+	}
+
 	*aux_val &= ~mask;
 	*aux_val |= val;
 	*aux_mask &= ~mask;
-- 
2.13.0

  parent reply	other threads:[~2017-06-08  4:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-08  4:11 [RFC PATCH 0/4] EDAC support for Marvell Armada SoCs Chris Packham
2017-06-08  4:11 ` [RFC PATCH 1/4] EDAC: mvebu: Add driver " Chris Packham
2017-06-09 10:39   ` Borislav Petkov
2017-06-09 13:14   ` Jan Lübbe
     [not found]     ` <1497016569.3536.84.camel@pengutronix.de>
2017-06-09 16:13       ` DMA-safety for edac_atomic_scrub on ARM Rob Herring
2017-06-11 22:37     ` [RFC PATCH 1/4] EDAC: mvebu: Add driver for Marvell Armada SoCs Chris Packham
2017-06-22 14:11     ` Jan Lübbe
2017-06-22 21:43       ` Chris Packham
2017-06-08  4:11 ` Chris Packham [this message]
2017-06-08  4:11 ` [RFC PATCH 3/4] ARM: l2x0: add arm,ecc-enable property for aurora Chris Packham
2017-06-09  8:58   ` Jan Lübbe
2017-06-11 22:55     ` [RFC PATCH 3/4] ARM: l2x0: add arm, ecc-enable " Chris Packham
2017-06-22 14:46       ` [RFC PATCH 3/4] ARM: l2x0: add arm,ecc-enable " Jan Lübbe
2017-06-22 21:50         ` [RFC PATCH 3/4] ARM: l2x0: add arm, ecc-enable " Chris Packham
2017-06-09 16:29   ` Rob Herring
2017-06-08  4:11 ` [RFC PATCH 4/4] ARM: dts: enable l2c parity and ecc protection on 98dx3236 Chris Packham

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