From 4d1138380ed6f1cca622e7de8bcc877c04a52d0d Mon Sep 17 00:00:00 2001 From: Thor Thayer <tthayer@opensource.altera.com> Date: Wed, 10 Feb 2016 13:26:23 -0600 Subject: ARM: socfpga: Enable L2 cache ECC on startup 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> --- arch/arm/mach-socfpga/socfpga.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-socfpga/socfpga.c') diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index a1c0efaa8794..dd1ff07b0472 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -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) -- cgit v1.2.3