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authorChris Packham <chris.packham@alliedtelesis.co.nz>2019-07-12 06:46:53 +0200
committerRussell King <rmk+kernel@armlinux.org.uk>2019-08-29 08:58:01 +0200
commitfd3bbde717b00a2db75d0c93264f412c1176008f (patch)
treecb3a686528dd1523862a9a2b72ef6f075cdaa5f8
parentARM: 8885/1: aurora-l2: add defines for parity and ECC registers (diff)
downloadlinux-fd3bbde717b00a2db75d0c93264f412c1176008f.tar.xz
linux-fd3bbde717b00a2db75d0c93264f412c1176008f.zip
ARM: 8886/1: l2x0: support parity-enable/disable on aurora
The aurora cache on the Marvell Armada-XP SoC supports the same tag parity features as the other l2x0 cache implementations. [jlu@pengutronix.de: use aurora specific define AURORA_ACR_PARITY_EN] Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Jan Luebbe <jlu@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to '')
-rw-r--r--arch/arm/mm/cache-l2x0.c7
1 files changed, 7 insertions, 0 deletions
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;