arch/powerpc/boot/of.h

   1 #ifndef _PPC_BOOT_OF_H_
   2 #define _PPC_BOOT_OF_H_
   3
   4 #include "swab.h"
   5
   6 typedef void *phandle;
   7 typedef u32 ihandle;
   8
   9 void of_init(void *promptr);
  10 int of_call_prom(const char *service, int nargs, int nret, ...);
  11 unsigned int of_claim(unsigned long virt, unsigned long size,
  12         unsigned long align);
  13 void *of_vmlinux_alloc(unsigned long size);
  14 void of_exit(void);
  15 void *of_finddevice(const char *name);
  16 int of_getprop(const void *phandle, const char *name, void *buf,
  17                const int buflen);
  18 int of_setprop(const void *phandle, const char *name, const void *buf,
  19                const int buflen);
  20
  21 /* Console functions */
  22 void of_console_init(void);
  23
  24 typedef u16                     __be16;
  25 typedef u32                     __be32;
  26 typedef u64                     __be64;
  27
  28 #ifdef __LITTLE_ENDIAN__
  29 #define cpu_to_be16(x) swab16(x)
  30 #define be16_to_cpu(x) swab16(x)
  31 #define cpu_to_be32(x) swab32(x)
  32 #define be32_to_cpu(x) swab32(x)
  33 #define cpu_to_be64(x) swab64(x)
  34 #define be64_to_cpu(x) swab64(x)
  35 #else
  36 #define cpu_to_be16(x) (x)
  37 #define be16_to_cpu(x) (x)
  38 #define cpu_to_be32(x) (x)
  39 #define be32_to_cpu(x) (x)
  40 #define cpu_to_be64(x) (x)
  41 #define be64_to_cpu(x) (x)
  42 #endif
  43
  44 #define PROM_ERROR (-1u)
  45
  46 #endif /* _PPC_BOOT_OF_H_ */