diff options
Diffstat (limited to 'arch/powerpc/kernel/cpu_setup_power4.S')
| -rw-r--r-- | arch/powerpc/kernel/cpu_setup_power4.S | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_power4.S b/arch/powerpc/kernel/cpu_setup_power4.S index b61d86e7ceb6..f69af2c5d7b3 100644 --- a/arch/powerpc/kernel/cpu_setup_power4.S +++ b/arch/powerpc/kernel/cpu_setup_power4.S @@ -9,7 +9,6 @@ * */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/cputable.h> @@ -73,23 +72,6 @@ _GLOBAL(__970_cpu_preinit) isync blr -_GLOBAL(__setup_cpu_power4) - blr - -_GLOBAL(__setup_cpu_be) - /* Set large page sizes LP=0: 16MB, LP=1: 64KB */ - addi r3, 0, 0 - ori r3, r3, HID6_LB - sldi r3, r3, 32 - nor r3, r3, r3 - mfspr r4, SPRN_HID6 - and r4, r4, r3 - addi r3, 0, 0x02000 - sldi r3, r3, 32 - or r4, r4, r3 - mtspr SPRN_HID6, r4 - blr - _GLOBAL(__setup_cpu_ppc970) mfspr r0,SPRN_HID0 li r11,5 /* clear DOZE and SLEEP */ @@ -142,7 +124,12 @@ _GLOBAL(__save_cpu_setup) cmpwi r0,0x44 bne 2f -1: /* Save HID0,1,4 and 5 */ +1: /* skip if not running in HV mode */ + mfmsr r0 + rldicl. r0,r0,4,63 + beq 2f + + /* Save HID0,1,4 and 5 */ mfspr r3,SPRN_HID0 std r3,CS_HID0(r5) mfspr r3,SPRN_HID1 @@ -176,7 +163,12 @@ _GLOBAL(__restore_cpu_setup) cmpwi r0,0x44 bnelr -1: /* Before accessing memory, we make sure rm_ci is clear */ +1: /* skip if not running in HV mode */ + mfmsr r0 + rldicl. r0,r0,4,63 + beqlr + + /* Before accessing memory, we make sure rm_ci is clear */ li r0,0 mfspr r3,SPRN_HID4 rldimi r3,r0,40,23 /* clear bit 23 (rm_ci) */ |