MIPS: initialize board_init_f() argument to zero.

Argument boot_flags of board_init_f() should be set to 0 as
$a0 may be utilized in lowlevel_init() or mips_cache_reset()
or previous stage boot-loader.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S
index e95cdca..2aa2dcb 100644 (file)
--- a/arch/mips/cpu/start.S
+++ b/arch/mips/cpu/start.S
@@ -185,7 +185,7 @@ reset:
        PTR_ADDU t0, k0, GD_MALLOC_BASE # gd->malloc_base offset
        sw      sp, 0(t0)
 #endif
-
+       move    a0, zero                # a0 <-- boot_flags = 0
        PTR_LA  t9, board_init_f
        jr      t9
         move   ra, zero