/* 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 #ifdef CONFIG_PPC64 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 */