diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/ppc/syslib/ppc4xx_pm.c |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/ppc/syslib/ppc4xx_pm.c')
-rw-r--r-- | arch/ppc/syslib/ppc4xx_pm.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/ppc/syslib/ppc4xx_pm.c b/arch/ppc/syslib/ppc4xx_pm.c new file mode 100644 index 00000000000..60a47920488 --- /dev/null +++ b/arch/ppc/syslib/ppc4xx_pm.c @@ -0,0 +1,47 @@ +/* + * Author: Armin Kuster <akuster@mvista.com> + * + * 2002 (c) MontaVista, Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + * This an attempt to get Power Management going for the IBM 4xx processor. + * This was derived from the ppc4xx._setup.c file + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/ibm4xx.h> + +void __init +ppc4xx_pm_init(void) +{ + + unsigned int value = 0; + + /* turn off unused hardware to save power */ +#ifdef CONFIG_405GP + value |= CPM_DCP; /* CodePack */ +#endif + +#if !defined(CONFIG_IBM_OCP_GPIO) + value |= CPM_GPIO0; +#endif + +#if !defined(CONFIG_PPC405_I2C_ADAP) + value |= CPM_IIC0; +#ifdef CONFIG_STB03xxx + value |= CPM_IIC1; +#endif +#endif + + +#if !defined(CONFIG_405_DMA) + value |= CPM_DMA; +#endif + + mtdcr(DCRN_CPMFR, value); + +} |