xref: /openbmc/linux/arch/powerpc/kernel/setup.h (revision 2d96b44f)
1 /*
2  * Prototypes for functions that are shared between setup_(32|64|common).c
3  *
4  * Copyright 2016 Michael Ellerman, IBM Corporation.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 #ifndef __ARCH_POWERPC_KERNEL_SETUP_H
13 #define __ARCH_POWERPC_KERNEL_SETUP_H
14 
15 void initialize_cache_info(void);
16 void irqstack_early_init(void);
17 
18 #ifdef CONFIG_PPC32
19 void setup_power_save(void);
20 #else
21 static inline void setup_power_save(void) { };
22 #endif
23 
24 #if defined(CONFIG_PPC64) && defined(CONFIG_SMP)
25 void check_smt_enabled(void);
26 #else
27 static inline void check_smt_enabled(void) { };
28 #endif
29 
30 #if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP)
31 void setup_tlb_core_data(void);
32 #else
33 static inline void setup_tlb_core_data(void) { };
34 #endif
35 
36 #if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_BOOKE) || defined(CONFIG_40x)
37 void exc_lvl_early_init(void);
38 #else
39 static inline void exc_lvl_early_init(void) { };
40 #endif
41 
42 #ifdef CONFIG_PPC64
43 void emergency_stack_init(void);
44 #else
45 static inline void emergency_stack_init(void) { };
46 #endif
47 
48 /*
49  * Having this in kvm_ppc.h makes include dependencies too
50  * tricky to solve for setup-common.c so have it here.
51  */
52 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
53 void kvm_cma_reserve(void);
54 #else
55 static inline void kvm_cma_reserve(void) { };
56 #endif
57 
58 #endif /* __ARCH_POWERPC_KERNEL_SETUP_H */
59