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Turn on experimental support for DEEPNAP on the 970MP.

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This commit is contained in:
Nathan Whitehorn 2010-02-20 16:14:19 +00:00
parent 19317dfd85
commit cfe174daab
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=204127
1 changed files with 10 additions and 2 deletions
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12
sys/powerpc/powerpc/cpu.c
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@ -446,8 +446,16 @@ 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_DPM);
hid0_hi &= ~(HID0_DOZE | HID0_NAP);
break;
default:
hid0_hi |= (HID0_NAP | HID0_DPM);
hid0_hi &= ~(HID0_DOZE | HID0_DEEPNAP);
break;
}
powerpc_pow_enabled = 1;
__asm __volatile (" \