From mboxrd@z Thu Jan 1 00:00:00 1970 From: chris.packham@alliedtelesis.co.nz (Chris Packham) Date: Thu, 8 Jun 2017 16:11:22 +1200 Subject: [RFC PATCH 2/4] ARM: l2x0: support parity-enable/disable on aurora In-Reply-To: <20170608041124.4624-1-chris.packham@alliedtelesis.co.nz> References: <20170608041124.4624-1-chris.packham@alliedtelesis.co.nz> Message-ID: <20170608041124.4624-3-chris.packham@alliedtelesis.co.nz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 808efbb89b88..2cc2653b046f 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, "arm,parity-enable")) { + mask |= L2C_AUX_CTRL_PARITY_ENABLE; + val |= L2C_AUX_CTRL_PARITY_ENABLE; + } else if (of_property_read_bool(np, "arm,parity-disable")) { + mask |= L2C_AUX_CTRL_PARITY_ENABLE; + } + *aux_val &= ~mask; *aux_val |= val; *aux_mask &= ~mask; -- 2.13.0