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Subject[PATCH v9 5/8] ARM: l2x0: add marvell,ecc-enable property for aurora
Date
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@alliedtelesis.co.nz>
[jlu@pengutronix.de: use aurora specific define AURORA_ACR_ECC_EN]
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---

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 46a616ec6b0c..12c26eb88afb 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -1493,6 +1493,11 @@ 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;
--
2.22.0
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