Author: nwhitehorn
Date: Mon Nov 22 17:06:24 2010
New Revision: 215691
URL: http://svn.freebsd.org/changeset/base/215691
Log:
MFC r204127,215101:
Provide support for the DEEPNAP power-saving mode found on the 970MP.
Modified:
stable/8/sys/powerpc/powerpc/cpu.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/powerpc/powerpc/cpu.c
==============================================================================
--- stable/8/sys/powerpc/powerpc/cpu.c Mon Nov 22 17:03:09 2010
(r215690)
+++ stable/8/sys/powerpc/powerpc/cpu.c Mon Nov 22 17:06:24 2010
(r215691)
@@ -453,8 +453,16 @@ cpu_970_setup(int cpuid, uint16_t vers)
: "=r" (hid0_hi), "=r" (hid0_lo) : "K" (SPR_HID0));
/* Configure power-saving mode */
- hid0_hi |= (HID0_NAP | HID0_DPM);
- hid0_hi &= ~(HID0_DOZE | HID0_DEEPNAP);
+ switch (vers) {
+ case IBM970MP:
+ hid0_hi |= (HID0_DEEPNAP | HID0_NAP | HID0_DPM);
+ hid0_hi &= ~HID0_DOZE;
+ break;
+ default:
+ hid0_hi |= (HID0_NAP | HID0_DPM);
+ hid0_hi &= ~(HID0_DOZE | HID0_DEEPNAP);
+ break;
+ }
powerpc_pow_enabled = 1;
__asm __volatile (" \
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