| 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 | |
| 49 | |
