diff options
Diffstat (limited to 'arch/ppc64/kernel/head.S')
| -rw-r--r-- | arch/ppc64/kernel/head.S | 84 |
1 files changed, 3 insertions, 81 deletions
diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index 9e8050ea122..1c869ea72d2 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -28,7 +28,6 @@ #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> -#include <asm/systemcfg.h> #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> #include <asm/bug.h> @@ -1701,21 +1700,9 @@ _GLOBAL(__secondary_start) HMT_MEDIUM /* Set thread priority to MEDIUM */ ld r2,PACATOC(r13) - li r6,0 - stb r6,PACAPROCENABLED(r13) - -#ifndef CONFIG_PPC_ISERIES - /* Initialize the page table pointer register. */ - LOADADDR(r6,_SDR1) - ld r6,0(r6) /* get the value of _SDR1 */ - mtspr SPRN_SDR1,r6 /* set the htab location */ -#endif - /* Initialize the first segment table (or SLB) entry */ - ld r3,PACASTABVIRT(r13) /* get addr of segment table */ -BEGIN_FTR_SECTION - bl .stab_initialize -END_FTR_SECTION_IFCLR(CPU_FTR_SLB) - bl .slb_initialize + + /* Do early setup for that CPU */ + bl .early_setup_secondary /* Initialize the kernel stack. Just a repeat for iSeries. */ LOADADDR(r3,current_set) @@ -1724,37 +1711,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB) addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD std r1,PACAKSAVE(r13) - ld r3,PACASTABREAL(r13) /* get raddr of segment table */ - ori r4,r3,1 /* turn on valid bit */ - -#ifdef CONFIG_PPC_ISERIES - li r0,-1 /* hypervisor call */ - li r3,1 - sldi r3,r3,63 /* 0x8000000000000000 */ - ori r3,r3,4 /* 0x8000000000000004 */ - sc /* HvCall_setASR */ -#else - /* set the ASR */ - ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */ - ld r3,0(r3) - lwz r3,PLATFORM(r3) /* r3 = platform flags */ - andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */ - beq 98f /* branch if result is 0 */ - mfspr r3,SPRN_PVR - srwi r3,r3,16 - cmpwi r3,0x37 /* SStar */ - beq 97f - cmpwi r3,0x36 /* IStar */ - beq 97f - cmpwi r3,0x34 /* Pulsar */ - bne 98f -97: li r3,H_SET_ASR /* hcall = H_SET_ASR */ - HVSC /* Invoking hcall */ - b 99f -98: /* !(rpa hypervisor) || !(star) */ - mtasr r4 /* set the stab location */ -99: -#endif li r7,0 mtlr r7 @@ -1896,40 +1852,6 @@ _STATIC(start_here_multiplatform) mr r3,r31 bl .early_setup - /* set the ASR */ - ld r3,PACASTABREAL(r13) - ori r4,r3,1 /* turn on valid bit */ - ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */ - ld r3,0(r3) - lwz r3,PLATFORM(r3) /* r3 = platform flags */ - andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */ - beq 98f /* branch if result is 0 */ - mfspr r3,SPRN_PVR - srwi r3,r3,16 - cmpwi r3,0x37 /* SStar */ - beq 97f - cmpwi r3,0x36 /* IStar */ - beq 97f - cmpwi r3,0x34 /* Pulsar */ - bne 98f -97: li r3,H_SET_ASR /* hcall = H_SET_ASR */ - HVSC /* Invoking hcall */ - b 99f -98: /* !(rpa hypervisor) || !(star) */ - mtasr r4 /* set the stab location */ -99: - /* Set SDR1 (hash table pointer) */ - ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */ - ld r3,0(r3) - lwz r3,PLATFORM(r3) /* r3 = platform flags */ - /* Test if bit 0 is set (LPAR bit) */ - andi. r3,r3,PLATFORM_LPAR - bne 98f /* branch if result is !0 */ - LOADADDR(r6,_SDR1) /* Only if NOT LPAR */ - sub r6,r6,r26 - ld r6,0(r6) /* get the value of _SDR1 */ - mtspr SPRN_SDR1,r6 /* set the htab location */ -98: LOADADDR(r3,.start_here_common) SET_REG_TO_CONST(r4, MSR_KERNEL) mtspr SPRN_SRR0,r3 |