LXR linux/arch/powerpc/boot/of.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _PPC_BOOT_OF_H_
   3#define _PPC_BOOT_OF_H_
   4
   5#include "swab.h"
   6
   7typedef void *phandle;
   8typedef u32 ihandle;
   9
  10void of_init(void *promptr);
  11int of_call_prom(const char *service, int nargs, int nret, ...);
  12unsigned int of_claim(unsigned long virt, unsigned long size,
  13        unsigned long align);
  14void *of_vmlinux_alloc(unsigned long size);
  15void of_exit(void);
  16void *of_finddevice(const char *name);
  17int of_getprop(const void *phandle, const char *name, void *buf,
  18               const int buflen);
  19int of_setprop(const void *phandle, const char *name, const void *buf,
  20               const int buflen);
  21
  22/* Console functions */
  23void of_console_init(void);
  24
  25typedef u16                     __be16;
  26typedef u32                     __be32;
  27typedef u64                     __be64;
  28
  29#ifdef __LITTLE_ENDIAN__
  30#define cpu_to_be16(x) swab16(x)
  31#define be16_to_cpu(x) swab16(x)
  32#define cpu_to_be32(x) swab32(x)
  33#define be32_to_cpu(x) swab32(x)
  34#define cpu_to_be64(x) swab64(x)
  35#define be64_to_cpu(x) swab64(x)
  36#else
  37#define cpu_to_be16(x) (x)
  38#define be16_to_cpu(x) (x)
  39#define cpu_to_be32(x) (x)
  40#define be32_to_cpu(x) (x)
  41#define cpu_to_be64(x) (x)
  42#define be64_to_cpu(x) (x)
  43#endif
  44
  45#define PROM_ERROR (-1u)
  46
  47#endif /* _PPC_BOOT_OF_H_ */
  48