MIPS: Add support for Microchip PIC32MZ[DA] SoC family.

Add Microchip PIC32MZ[DA] SoC family support.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/mach-pic32/lowlevel_init.S b/arch/mips/mach-pic32/lowlevel_init.S
new file mode 100644
index 0000000..e37bebb
--- /dev/null
+++ b/arch/mips/mach-pic32/lowlevel_init.S
@@ -0,0 +1,27 @@
+/*
+ * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+*/
+
+#include <config.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+#include <asm/asm.h>
+
+LEAF(lowlevel_init)
+	/*
+	 * Establish Cause
+	 * (set IV bit)
+	 */
+	li	t1, 0x00800000
+	mtc0	t1, CP0_CAUSE
+
+	/* Establish Wired (and Random) */
+	mtc0	zero, CP0_WIRED
+	 nop
+
+	jr	ra
+	 nop
+	END(lowlevel_init)