/* SPDX-License-Identifier: GPL-2.0+ */
  /*
   * (C) Copyright 2000-2009
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   * Copyright 2019 Google LLC
   */
  
  #ifndef __CPU_LEGACY_H
  #define __CPU_LEGACY_H
  
  #include <linux/types.h>
  
  /*
   * Multicore arch functions
   *
   * These should be moved to use the CPU uclass.
   */
  int cpu_status(u32 nr);
  int cpu_reset(u32 nr);
  int cpu_disable(u32 nr);
  int cpu_release(u32 nr, int argc, char * const argv[]);

  static inline int cpumask_next(int cpu, unsigned int mask)
  {
  	for (cpu++; !((1 << cpu) & mask); cpu++)
  		;
  
  	return cpu;
  }
  
  #define for_each_cpu(iter, cpu, num_cpus, mask) \
  	for (iter = 0, cpu = cpumask_next(-1, mask); \
  	     iter < num_cpus; \
  	     iter++, cpu = cpumask_next(cpu, mask)) \
  
  int cpu_numcores(void);
  int cpu_num_dspcores(void);
  u32 cpu_mask(void);
  u32 cpu_dsp_mask(void);
  int is_core_valid(unsigned int core);
  
  /**
   * checkcpu() - perform an early check of the CPU
   *
   * This is used on PowerPC, SH and X86 machines as a CPU init mechanism. It is
   * called during the pre-relocation init sequence in board_init_f().
   *
   * @return 0 if oK, -ve on error
   */
  int checkcpu(void);

  void smp_set_core_boot_addr(unsigned long addr, int corenr);
  void smp_kick_all_cpus(void);

  int icache_status(void);
  void icache_enable(void);
  void icache_disable(void);
  int dcache_status(void);
  void dcache_enable(void);
  void dcache_disable(void);
  void mmu_disable(void);

  /* arch/$(ARCH)/lib/cache.c */
  void enable_caches(void);
  void flush_cache(unsigned long addr, unsigned long size);
  void flush_dcache_all(void);
  void flush_dcache_range(unsigned long start, unsigned long stop);
  void invalidate_dcache_range(unsigned long start, unsigned long stop);
  void invalidate_dcache_all(void);
  void invalidate_icache_all(void);
  
  enum {
  	/* Disable caches (else flush caches but leave them active) */
  	CBL_DISABLE_CACHES		= 1 << 0,
  	CBL_SHOW_BOOTSTAGE_REPORT	= 1 << 1,
  
  	CBL_ALL				= 3,
  };
  
  /**
   * Clean up ready for linux
   *
   * @param flags		Flags to control what is done
   */
  int cleanup_before_linux_select(int flags);

  
  void reset_cpu(ulong addr);

  ;

  #endif