arch/powerpc/kernel/setup.h

   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 */