[PATCH v9 3/8] ARM: l2x0: support parity-enable/disable on aurora
From: Chris Packham <chris.packham@alliedtelesis.co.nz>
Date: 2019-07-12 03:49:51
Also in:
linux-devicetree, linux-edac, lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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 --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;
--
2.22.0
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