[PATCH v6 6/9] ARM: l2x0: add marvell,ecc-enable property for aurora
From: Chris Packham <chris.packham@alliedtelesis.co.nz>
Date: 2018-11-09 07:04:46
Also in:
linux-arm-kernel, linux-edac, lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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> --- 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