[PATCH v6 6/9] ARM: l2x0: add marvell,ecc-enable property for aurora

[Chris Packham]

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 <chris.packham@xxxxxxxxxxxxxxxxxxx>
[jlu@xxxxxxxxxxxxxx: use aurora specific define AURORA_ACR_ECC_EN]
Signed-off-by: Jan Luebbe <jlu@xxxxxxxxxxxxxx>
---
 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 b70bee74750d..644f786e4fa9 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, "marvell,ecc-enable")) {
+		mask |= AURORA_ACR_ECC_EN;
+		val |= AURORA_ACR_ECC_EN;
+	} else if (of_property_read_bool(np, "marvell,ecc-disable")) {
+		mask |= AURORA_ACR_ECC_EN;
+	}
+
 	if (of_property_read_bool(np, "arm,parity-enable")) {
 		mask |= AURORA_ACR_PARITY_EN;
 		val |= AURORA_ACR_PARITY_EN;
-- 
2.19.1