package/uboot-ifxmips/files/board/danube/pmuenable.S

   1 /*
   2  *  Power Management unit initialization code for AMAZON development board.
   3  *
   4  *  Copyright (c) 2003  Ou Ke, Infineon.
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <config.h>
  26 #include <version.h>
  27 #include <asm/regdef.h>
  28
  29 #define PMU_PWDCR               0xBF10201C
  30 #define PMU_SR                  0xBF102020
  31
  32         .globl  pmuenable
  33
  34 pmuenable:
  35         li      t0, PMU_PWDCR
  36         li      t1, 0x2         /* enable everything */
  37         sw      t1, 0(t0)
  38 #if 0
  39 1:
  40         li      t0, PMU_SR
  41         lw      t2, 0(t0)
  42         bne     t1, t2, 1b
  43         nop
  44 #endif
  45         j       ra
  46         nop
  47
  48