Signed-off-by: Thor Thayer <redacted>
---
v2: Split OCRAM initialization into separate patch.

v3/4: No change

v5: Remove l2cache.h, use io.h instead of clk-provider.h
    Make copyright header inclusive. Remove MAINTAINERS entry.

v6: Remove pr_debug() & update year in header.
---
 arch/arm/mach-socfpga/Makefile   |    1 +
 arch/arm/mach-socfpga/core.h     |    2 ++
 arch/arm/mach-socfpga/l2_cache.c |   39 ++++++++++++++++++++++++++++++++++++++
 arch/arm/mach-socfpga/socfpga.c  |    4 +++-
 4 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-socfpga/l2_cache.c

diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index 6dd7a93..142609e 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile

@@ -4,3 +4,4 @@
 
 obj-y					:= socfpga.o
 obj-$(CONFIG_SMP)	+= headsmp.o platsmp.o
+obj-$(CONFIG_EDAC_ALTERA_L2C) += l2_cache.o

diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h
index 483cb46..28c8a15 100644
--- a/arch/arm/mach-socfpga/core.h
+++ b/arch/arm/mach-socfpga/core.h

@@ -47,4 +47,6 @@ extern unsigned long socfpga_cpu1start_addr;
 
 #define SOCFPGA_SCU_VIRT_BASE   0xfffec000
 
+void socfpga_init_l2_ecc(void);
+
 #endif

diff --git a/arch/arm/mach-socfpga/l2_cache.c b/arch/arm/mach-socfpga/l2_cache.c
new file mode 100644
index 0000000..047759d
--- /dev/null
+++ b/arch/arm/mach-socfpga/l2_cache.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright Altera Corporation (C) 2015. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+
+void socfpga_init_l2_ecc(void)
+{
+	struct device_node *np;
+	void __iomem  *mapped_l2_edac_addr;
+
+	np = of_find_compatible_node(NULL, NULL, "altr,l2-edac");
+	if (!np) {
+		pr_err("SOCFPGA: Unable to find altr,l2-edac in dtb\n");
+		return;
+	}
+
+	mapped_l2_edac_addr = of_iomap(np, 0);
+	if (!mapped_l2_edac_addr) {
+		pr_err("SOCFPGA: Unable to find L2 ECC mapping in dtb\n");
+		return;
+	}
+
+	/* Enable ECC */
+	writel(0x01, mapped_l2_edac_addr);