1 files changed, 37 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-sdk7786/fpga.c b/arch/sh/boards/mach-sdk7786/fpga.c
new file mode 100644
index 000000000000..99f903c8b238
--- /dev/null
+++ b/arch/sh/boards/mach-sdk7786/fpga.c
@@ -0,0 +1,37 @@
+/*
+ * SDK7786 FPGA Support.
+ *
+ * Copyright (C) 2010  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/bcd.h>
+#include <mach/fpga.h>
+
+#define FPGA_REGS_BASE  0x07fff800
+#define FPGA_REGS_SIZE  0x490
+
+void __iomem *sdk7786_fpga_base;
+
+void __init sdk7786_fpga_init(void)
+{
+        u16 version, date;
+
+        sdk7786_fpga_base = ioremap_nocache(FPGA_REGS_BASE, FPGA_REGS_SIZE);
+        if (unlikely(!sdk7786_fpga_base)) {
+                panic("FPGA remapping failed.\n");
+                return;
+        }
+
+        version = fpga_read_reg(FPGAVR);
+        date = fpga_read_reg(FPGADR);
+
+        pr_info("\tFPGA version:\t%d.%d (built on %d/%d/%d)\n",
+                bcd2bin(version >> 8) & 0xf, bcd2bin(version & 0xf),
+                ((date >> 12) & 0xf) + 2000,
+                (date >> 8) & 0xf, bcd2bin(date & 0xff));
+}