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ARM: 8890/1: l2x0: add marvell,ecc-enable property for aurora 

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.

[jlu@pengutronix.de: use aurora specific define AURORA_ACR_ECC_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>
This commit is contained in:
Chris Packham 2019-07-12 05:46:55 +01:00 committed by Russell King
parent 4bf4770db4
commit c8abbd6f9d
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mm/cache-l2x0.c
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@ -1493,6 +1493,11 @@ static void __init aurora_of_parse(const struct device_node *np,
mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; 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")) { if (of_property_read_bool(np, "arm,parity-enable")) {
mask |= AURORA_ACR_PARITY_EN; mask |= AURORA_ACR_PARITY_EN;
val |= AURORA_ACR_PARITY_EN; val |= AURORA_ACR_PARITY_EN;