From: jlu@pengutronix.de (Jan Luebbe)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/9] ARM: l2x0: support parity-enable/disable on aurora
Date: Wed, 2 Aug 2017 14:39:17 +0200 [thread overview]
Message-ID: <20170802123922.11498-5-jlu@pengutronix.de> (raw)
In-Reply-To: <20170802123922.11498-1-jlu@pengutronix.de>
From: Chris Packham <chris.packham@alliedtelesis.co.nz>
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 at 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 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
next prev parent reply other threads:[~2017-08-02 12:39 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-02 12:39 [PATCH v2 0/9] EDAC drivers for Armada XP L2 and DDR Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 1/9] ARM: l2c: move cache-aurora-l2.h to asm/hardware Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 2/9] ARM: aurora-l2: add prefix to MAX_RANGE_SIZE Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 3/9] ARM: aurora-l2: add defines for parity and ECC registers Jan Luebbe
2017-08-02 12:39 ` Jan Luebbe [this message]
2017-08-02 12:39 ` [PATCH v2 5/9] ARM: l2x0: add marvell,ecc-enable property for aurora Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 6/9] EDAC: Add missing debugfs_create_x32 wrapper Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 7/9] EDAC: Add devres helpers for edac_mc_alloc/edac_mc_add_mc(_with_groups) Jan Luebbe
2017-08-14 11:01 ` Borislav Petkov
2017-08-02 12:39 ` [PATCH v2 8/9] EDAC: Add devres helpers for edac_device_alloc_ctl_info/edac_device_add_device Jan Luebbe
2017-08-02 12:39 ` [PATCH v2 9/9] EDAC: Add driver for the Marvell Armada XP SDRAM and L2 cache ECC Jan Luebbe
2017-08-04 5:10 ` Chris Packham
2017-08-02 14:05 ` [PATCH v2 0/9] EDAC drivers for Armada XP L2 and DDR Borislav Petkov
2017-08-14 9:01 ` Jan Lübbe
2017-08-14 9:09 ` Russell King - ARM Linux
2017-08-04 1:42 ` Chris Packham
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