diff mbox series

[v9,5/8] ARM: l2x0: add marvell,ecc-enable property for aurora

Message ID 20190712034904.5747-6-chris.packham@alliedtelesis.co.nz (mailing list archive)
State Mainlined
Commit c8abbd6f9dc47dffaea5adc7172ffa59a16401e3
Headers show
Series EDAC drivers for Armada XP L2 and DDR | expand

Commit Message

Chris Packham July 12, 2019, 3:49 a.m. UTC 
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 mbox series

Patch

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;