[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/arch/mips/start.S b/src/bsp/lk/arch/mips/start.S
new file mode 100644
index 0000000..4097648
--- /dev/null
+++ b/src/bsp/lk/arch/mips/start.S
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2015 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <asm.h>
+
+.section ".text.boot"
+FUNCTION(_start)
+ # set the default stack
+ la $sp, default_stack_top
+
+ # zero out the bss section
+ la $t0, __bss_start
+ la $t1, __bss_end
+0:
+ sw $zero, ($t0)
+ addi $t0, 4
+ bne $t0, $t1, 0b
+
+ # args to main and call it
+ li $a0, 1
+ li $a1, 2
+ li $a2, 3
+ li $a3, 4
+ jal lk_main
+
+ # should never return here
+ b .
+
+.bss
+.align 3
+LOCAL_DATA(default_stack)
+ .skip 4096
+LOCAL_DATA(default_stack_top)
+