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ARM: socfpga: Enable L2 cache ECC on startup

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Enable ECC for L2 cache on machine startup. The ECC has to be enabled
before data is stored in memory otherwise the ECC will fail on reads.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: galak@codeaurora.org
Cc: grant.likely@linaro.org
Cc: ijc+devicetree@hellion.org.uk
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@arm.linux.org.uk
Cc: linux-doc@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: m.chehab@samsung.com
Cc: pawel.moll@arm.com
Cc: robh+dt@kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Link: http://lkml.kernel.org/r/1455132384-17108-3-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Thor Thayer
2016-02-10 13:26:23 -06:00
committed by Borislav Petkov
parent d31e2e846b
commit 4d1138380e
4 changed files with 45 additions and 0 deletions
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2
arch/arm/mach-socfpga/socfpga.c
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@@ -59,6 +59,8 @@ static void __init socfpga_init_irq(void)
{
irqchip_init();
socfpga_sysmgr_init();
if (IS_ENABLED(CONFIG_EDAC_ALTERA_L2C))
socfpga_init_l2_ecc();
}
static void socfpga_cyclone5_restart(enum reboot_mode mode, const char *cmd)