diff options
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index aa6e4500635..797ea95aae2 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -63,6 +63,7 @@ #include <asm/udbg.h> #include <asm/kexec.h> #include <asm/swiotlb.h> +#include <asm/mmu_context.h> #include "setup.h" @@ -143,11 +144,14 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ -/* Put the paca pointer into r13 and SPRG3 */ +/* Put the paca pointer into r13 and SPRG_PACA */ void __init setup_paca(int cpu) { local_paca = &paca[cpu]; - mtspr(SPRN_SPRG3, local_paca); + mtspr(SPRN_SPRG_PACA, local_paca); +#ifdef CONFIG_PPC_BOOK3E + mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb); +#endif } /* @@ -231,9 +235,6 @@ void early_setup_secondary(void) #endif /* CONFIG_SMP */ #if defined(CONFIG_SMP) || defined(CONFIG_KEXEC) -extern unsigned long __secondary_hold_spinloop; -extern void generic_secondary_smp_init(void); - void smp_release_cpus(void) { unsigned long *ptr; @@ -454,6 +455,24 @@ static void __init irqstack_early_init(void) #define irqstack_early_init() #endif +#ifdef CONFIG_PPC_BOOK3E +static void __init exc_lvl_early_init(void) +{ + unsigned int i; + + for_each_possible_cpu(i) { + critirq_ctx[i] = (struct thread_info *) + __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE)); + dbgirq_ctx[i] = (struct thread_info *) + __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE)); + mcheckirq_ctx[i] = (struct thread_info *) + __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE)); + } +} +#else +#define exc_lvl_early_init() +#endif + /* * Stack space used when we detect a bad kernel stack pointer, and * early in SMP boots before relocation is enabled. @@ -513,6 +532,7 @@ void __init setup_arch(char **cmdline_p) init_mm.brk = klimit; irqstack_early_init(); + exc_lvl_early_init(); emergency_stack_init(); #ifdef CONFIG_PPC_STD_MMU_64 @@ -535,6 +555,10 @@ void __init setup_arch(char **cmdline_p) #endif paging_init(); + + /* Initialize the MMU context management stuff */ + mmu_context_init(); + ppc64_boot_msg(0x15, "Setup Done"); } |