diff options
Diffstat (limited to 'arch/powerpc/kernel/setup.h')
-rw-r--r-- | arch/powerpc/kernel/setup.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h new file mode 100644 index 000000000..2dd0d9cb5 --- /dev/null +++ b/arch/powerpc/kernel/setup.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Prototypes for functions that are shared between setup_(32|64|common).c + * + * Copyright 2016 Michael Ellerman, IBM Corporation. + */ + +#ifndef __ARCH_POWERPC_KERNEL_SETUP_H +#define __ARCH_POWERPC_KERNEL_SETUP_H + +void initialize_cache_info(void); +void irqstack_early_init(void); + +#ifdef CONFIG_PPC32 +void setup_power_save(void); +#else +static inline void setup_power_save(void) { }; +#endif + +#if defined(CONFIG_PPC64) && defined(CONFIG_SMP) +void check_smt_enabled(void); +#else +static inline void check_smt_enabled(void) { }; +#endif + +#if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP) +void setup_tlb_core_data(void); +#else +static inline void setup_tlb_core_data(void) { }; +#endif + +#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_BOOKE) || defined(CONFIG_40x) +void exc_lvl_early_init(void); +#else +static inline void exc_lvl_early_init(void) { }; +#endif + +#if defined(CONFIG_PPC64) || defined(CONFIG_VMAP_STACK) +void emergency_stack_init(void); +#else +static inline void emergency_stack_init(void) { }; +#endif + +#ifdef CONFIG_PPC64 +u64 ppc64_bolted_size(void); + +/* Default SPR values from firmware/kexec */ +extern unsigned long spr_default_dscr; +#endif + +/* + * Having this in kvm_ppc.h makes include dependencies too + * tricky to solve for setup-common.c so have it here. + */ +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE +void kvm_cma_reserve(void); +#else +static inline void kvm_cma_reserve(void) { }; +#endif + +#ifdef CONFIG_TAU +u32 cpu_temp(unsigned long cpu); +u32 cpu_temp_both(unsigned long cpu); +u32 tau_interrupts(unsigned long cpu); +#endif /* CONFIG_TAU */ + +#endif /* __ARCH_POWERPC_KERNEL_SETUP_H */ |