1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Prototypes for functions that are shared between setup_(32|64|common).c 4 * 5 * Copyright 2016 Michael Ellerman, IBM Corporation. 6 */ 7 8#ifndef __ARCH_POWERPC_KERNEL_SETUP_H 9#define __ARCH_POWERPC_KERNEL_SETUP_H 10 11void initialize_cache_info(void); 12void irqstack_early_init(void); 13 14#ifdef CONFIG_PPC32 15void setup_power_save(void); 16#else 17static inline void setup_power_save(void) { }; 18#endif 19 20#if defined(CONFIG_PPC64) && defined(CONFIG_SMP) 21void check_smt_enabled(void); 22#else 23static inline void check_smt_enabled(void) { }; 24#endif 25 26#if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP) 27void setup_tlb_core_data(void); 28#else 29static inline void setup_tlb_core_data(void) { }; 30#endif 31 32#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_BOOKE) || defined(CONFIG_40x) 33void exc_lvl_early_init(void); 34#else 35static inline void exc_lvl_early_init(void) { }; 36#endif 37 38#ifdef CONFIG_PPC64 39void emergency_stack_init(void); 40#else 41static inline void emergency_stack_init(void) { }; 42#endif 43 44#ifdef CONFIG_PPC64 45u64 ppc64_bolted_size(void); 46 47/* Default SPR values from firmware/kexec */ 48extern unsigned long spr_default_dscr; 49#endif 50 51/* 52 * Having this in kvm_ppc.h makes include dependencies too 53 * tricky to solve for setup-common.c so have it here. 54 */ 55#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 56void kvm_cma_reserve(void); 57#else 58static inline void kvm_cma_reserve(void) { }; 59#endif 60 61#ifdef CONFIG_TAU 62u32 cpu_temp(unsigned long cpu); 63u32 cpu_temp_both(unsigned long cpu); 64u32 tau_interrupts(unsigned long cpu); 65#endif /* CONFIG_TAU */ 66 67#endif /* __ARCH_POWERPC_KERNEL_SETUP_H */ 68