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yaml
---
r: 24635
b: refs/heads/master
c: ff2e6d7
h: refs/heads/master
i:
  24633: 93bce96
  24631: 16f3281
v: v3
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Paul Mackerras committed Mar 27, 2006
1 parent 18f3811 commit a793b33
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Showing 3 changed files with 6 additions and 22 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 9618edab82fda8dbce5ea3abcdac9ded07abb2d4
refs/heads/master: ff2e6d7e27cf1f757ab0d97e1a9e46de47152a0e
3 changes: 2 additions & 1 deletion trunk/arch/powerpc/kernel/idle_6xx.S
Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,8 @@ BEGIN_FTR_SECTION
DSSALL
sync
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
ori r7,r7,MSR_EE /* Could be ommited (already set) */
mfmsr r7
ori r7,r7,MSR_EE
oris r7,r7,MSR_POW@h
sync
isync
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23 changes: 3 additions & 20 deletions trunk/arch/powerpc/kernel/idle_power4.S
Original file line number Diff line number Diff line change
@@ -1,11 +1,5 @@
/*
* This file contains the power_save function for 6xx & 7xxx CPUs
* rewritten in assembler
*
* Warning ! This code assumes that if your machine has a 750fx
* it will have PLL 1 set to low speed mode (used during NAP/DOZE).
* if this is not the case some additional changes will have to
* be done to check a runtime var (a bit like powersave-nap)
* This file contains the power_save function for 970-family CPUs.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
Expand All @@ -26,23 +20,10 @@

.text

/*
* Here is the power_save_6xx function. This could eventually be
* split into several functions & changing the function pointer
* depending on the various features.
*/
_GLOBAL(power4_idle)
BEGIN_FTR_SECTION
blr
END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP)
/* We must dynamically check for the NAP feature as it
* can be cleared by CPU init after the fixups are done
*/
LOAD_REG_ADDRBASE(r3,cur_cpu_spec)
ld r4,ADDROFF(cur_cpu_spec)(r3)
ld r4,CPU_SPEC_FEATURES(r4)
andi. r0,r4,CPU_FTR_CAN_NAP
beqlr
/* Now check if user or arch enabled NAP mode */
LOAD_REG_ADDRBASE(r3,powersave_nap)
lwz r4,ADDROFF(powersave_nap)(r3)
Expand All @@ -54,6 +35,8 @@ BEGIN_FTR_SECTION
DSSALL
sync
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
mfmsr r7
ori r7,r7,MSR_EE
oris r7,r7,MSR_POW@h
sync
isync
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