From mboxrd@z Thu Jan 1 00:00:00 1970 From: jlu@pengutronix.de (Jan Luebbe) Date: Fri, 10 Nov 2017 10:03:05 +0100 Subject: [PATCH v3 4/7] ARM: l2x0: support parity-enable/disable on aurora In-Reply-To: <20171110090308.21562-1-jlu@pengutronix.de> References: <20171110090308.21562-1-jlu@pengutronix.de> Message-ID: <20171110090308.21562-5-jlu@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Chris Packham 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 [jlu at pengutronix.de: use aurora specific define AURORA_ACR_PARITY_EN] Signed-off-by: Jan Luebbe --- 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 7d2d2a3c67d0..b70bee74750d 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 |= 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; -- 2.11.0