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[v9,3/8] ARM: l2x0: support parity-enable/disable on aurora

Message ID 20190712034904.5747-4-chris.packham@alliedtelesis.co.nz (mailing list archive)
State Mainlined
Commit fd3bbde717b00a2db75d0c93264f412c1176008f
Headers show
Series EDAC drivers for Armada XP L2 and DDR | expand

Commit Message

Chris Packham July 12, 2019, 3:48 a.m. UTC 
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>
[jlu@pengutronix.de: use aurora specific define AURORA_ACR_PARITY_EN]
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 arch/arm/mm/cache-l2x0.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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;