| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Author: Armin Kuster <akuster@mvista.com> |
| 3 | * |
| 4 | * 2002 (c) MontaVista, Software, Inc. This file is licensed under |
| 5 | * the terms of the GNU General Public License version 2. This program |
| 6 | * is licensed "as is" without any warranty of any kind, whether express |
| 7 | * or implied. |
| 8 | * |
| 9 | * This an attempt to get Power Management going for the IBM 4xx processor. |
| 10 | * This was derived from the ppc4xx._setup.c file |
| 11 | */ |
| 12 | |
| 13 | #include <linux/config.h> |
| 14 | #include <linux/init.h> |
| 15 | |
| 16 | #include <asm/ibm4xx.h> |
| 17 | |
| 18 | void __init |
| 19 | ppc4xx_pm_init(void) |
| 20 | { |
| 21 | |
| 22 | unsigned int value = 0; |
| 23 | |
| 24 | /* turn off unused hardware to save power */ |
| 25 | #ifdef CONFIG_405GP |
| 26 | value |= CPM_DCP; /* CodePack */ |
| 27 | #endif |
| 28 | |
| 29 | #if !defined(CONFIG_IBM_OCP_GPIO) |
| 30 | value |= CPM_GPIO0; |
| 31 | #endif |
| 32 | |
| 33 | #if !defined(CONFIG_PPC405_I2C_ADAP) |
| 34 | value |= CPM_IIC0; |
| 35 | #ifdef CONFIG_STB03xxx |
| 36 | value |= CPM_IIC1; |
| 37 | #endif |
| 38 | #endif |
| 39 | |
| 40 | |
| 41 | #if !defined(CONFIG_405_DMA) |
| 42 | value |= CPM_DMA; |
| 43 | #endif |
| 44 | |
| 45 | mtdcr(DCRN_CPMFR, value); |
| 46 | |
| 47 | } |