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powerpc: Move initial mfspr LPCR out of __init_LPCR 

We want to change what's initially set in the LPCR, so start by taking the move
from LPCR out of the function and into the caller.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Neuling 2012-11-05 14:40:18 +11:00 committed by Benjamin Herrenschmidt
parent c1fb6816fb
commit f7c32c24f5
1 changed files with 5 additions and 1 deletions
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6
arch/powerpc/kernel/cpu_setup_power.S
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@ -27,6 +27,7 @@ _GLOBAL(__setup_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_TLB
mtlr r11
@ -39,6 +40,7 @@ _GLOBAL(__restore_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_TLB
mtlr r11
@ -51,6 +53,7 @@ _GLOBAL(__setup_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_TLB
mtlr r11
@ -63,6 +66,7 @@ _GLOBAL(__restore_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_TLB
mtlr r11
@ -81,6 +85,7 @@ __init_hvmode_206:
__init_LPCR:
/* Setup a sane LPCR:
* Called with initial LPCR in R3
*
* LPES = 0b01 (HSRR0/1 used for 0x500)
* PECE = 0b111
@ -91,7 +96,6 @@ __init_LPCR:
*
* Other bits untouched for now
*/
mfspr r3,SPRN_LPCR
li r5,1
rldimi r3,r5, LPCR_LPES_SH, 64-LPCR_LPES_SH-2
ori r3,r3,(LPCR_PECE0|LPCR_PECE1|LPCR_PECE2)