git.sur5r.net Git - u-boot/blob - arch/mips/mach-pic32/lowlevel_init.S

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
   4  *
   5 */
   6
   7 #include <config.h>
   8 #include <asm/regdef.h>
   9 #include <asm/mipsregs.h>
  10 #include <asm/asm.h>
  11
  12 LEAF(lowlevel_init)
  13         /*
  14          * Establish Cause
  15          * (set IV bit)
  16          */
  17         li      t1, 0x00800000
  18         mtc0    t1, CP0_CAUSE
  19
  20         /* Establish Wired (and Random) */
  21         mtc0    zero, CP0_WIRED
  22          nop
  23
  24         jr      ra
  25          nop
  26         END(lowlevel_init)