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kernel/linux-rt-4.4.41/arch/powerpc/boot/of.h 1.13 KB
5113f6f70   김현기   kernel add
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  #ifndef _PPC_BOOT_OF_H_
  #define _PPC_BOOT_OF_H_
  
  #include "swab.h"
  
  typedef void *phandle;
  typedef u32 ihandle;
  
  void of_init(void *promptr);
  int of_call_prom(const char *service, int nargs, int nret, ...);
  unsigned int of_claim(unsigned long virt, unsigned long size,
  	unsigned long align);
  void *of_vmlinux_alloc(unsigned long size);
  void of_exit(void);
  void *of_finddevice(const char *name);
  int of_getprop(const void *phandle, const char *name, void *buf,
  	       const int buflen);
  int of_setprop(const void *phandle, const char *name, const void *buf,
  	       const int buflen);
  
  /* Console functions */
  void of_console_init(void);
  
  typedef u16			__be16;
  typedef u32			__be32;
  typedef u64			__be64;
  
  #ifdef __LITTLE_ENDIAN__
  #define cpu_to_be16(x) swab16(x)
  #define be16_to_cpu(x) swab16(x)
  #define cpu_to_be32(x) swab32(x)
  #define be32_to_cpu(x) swab32(x)
  #define cpu_to_be64(x) swab64(x)
  #define be64_to_cpu(x) swab64(x)
  #else
  #define cpu_to_be16(x) (x)
  #define be16_to_cpu(x) (x)
  #define cpu_to_be32(x) (x)
  #define be32_to_cpu(x) (x)
  #define cpu_to_be64(x) (x)
  #define be64_to_cpu(x) (x)
  #endif
  
  #define PROM_ERROR (-1u)
  
  #endif /* _PPC_BOOT_OF_H_ */