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authorPurna Chandra Mandal <purna.mandal@microchip.com>2016-01-28 15:30:16 +0530
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>2016-02-01 22:14:01 +0100
commitbe961fa15bcb01c5a50c184e3dcc3ab0379edddb (patch)
tree6f32741beefece410941c1f18514b957df91a2d0 /arch/mips/mach-pic32/lowlevel_init.S
parent9ffa7a35ef940b27813c11f68eb28a6b82696915 (diff)
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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>
Diffstat (limited to 'arch/mips/mach-pic32/lowlevel_init.S')
-rw-r--r--arch/mips/mach-pic32/lowlevel_init.S27
1 files changed, 27 insertions, 0 deletions
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)