| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Prototypes for functions that are shared between setup_(32|64|common).c |
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| 4 | * |
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| 5 | * Copyright 2016 Michael Ellerman, IBM Corporation. |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __ARCH_POWERPC_KERNEL_SETUP_H |
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| 9 | #define __ARCH_POWERPC_KERNEL_SETUP_H |
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| 10 | |
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| 11 | void initialize_cache_info(void); |
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| 12 | void irqstack_early_init(void); |
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| 13 | |
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| 14 | #ifdef CONFIG_PPC32 |
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| 15 | void setup_power_save(void); |
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| 16 | #else |
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| 17 | static inline void setup_power_save(void) { } |
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| 18 | #endif |
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| 19 | |
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| 20 | #if defined(CONFIG_PPC64) && defined(CONFIG_SMP) |
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| 21 | void check_smt_enabled(void); |
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| 22 | #else |
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| 23 | static inline void check_smt_enabled(void) { } |
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| 24 | #endif |
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| 25 | |
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| 26 | #if defined(CONFIG_PPC_BOOK3E_64) && defined(CONFIG_SMP) |
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| 27 | void setup_tlb_core_data(void); |
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| 28 | #else |
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| 29 | static inline void setup_tlb_core_data(void) { } |
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| 30 | #endif |
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| 31 | |
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| 32 | #ifdef CONFIG_BOOKE_OR_40x |
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| 33 | void exc_lvl_early_init(void); |
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| 34 | #else |
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| 35 | static inline void exc_lvl_early_init(void) { } |
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| 36 | #endif |
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| 37 | |
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| 38 | #if defined(CONFIG_PPC64) || defined(CONFIG_VMAP_STACK) |
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| 39 | void emergency_stack_init(void); |
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| 40 | #else |
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| 41 | static inline void emergency_stack_init(void) { } |
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| 42 | #endif |
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| 43 | |
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| 44 | #ifdef CONFIG_PPC64 |
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| 45 | u64 ppc64_bolted_size(void); |
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| 46 | |
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| 47 | /* Default SPR values from firmware/kexec */ |
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| 48 | extern unsigned long spr_default_dscr; |
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| 49 | #endif |
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| 50 | |
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| 51 | /* |
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| 52 | * Having this in kvm_ppc.h makes include dependencies too |
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| 53 | * tricky to solve for setup-common.c so have it here. |
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| 54 | */ |
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| 55 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
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| 56 | void kvm_cma_reserve(void); |
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| 57 | #else |
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| 58 | static inline void kvm_cma_reserve(void) { } |
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| 59 | #endif |
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| 60 | |
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| 61 | #ifdef CONFIG_TAU |
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| 62 | u32 cpu_temp(unsigned long cpu); |
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| 63 | u32 cpu_temp_both(unsigned long cpu); |
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| 64 | u32 tau_interrupts(unsigned long cpu); |
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| 65 | #endif /* CONFIG_TAU */ |
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| 66 | |
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| 67 | #endif /* __ARCH_POWERPC_KERNEL_SETUP_H */ |
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| 68 | |
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