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 7 typedef void *phandle; 8 typedef u32 ihandle; 9 10 void of_init(void *promptr); 11 int of_call_prom(const char *service, int nargs, int nret, ...); 12 unsigned int of_claim(unsigned long virt, unsigned long size, 13 unsigned long align); 14 void *of_vmlinux_alloc(unsigned long size); 15 void of_exit(void); 16 void *of_finddevice(const char *name); 17 int of_getprop(const void *phandle, const char *name, void *buf, 18 const int buflen); 19 int of_setprop(const void *phandle, const char *name, const void *buf, 20 const int buflen); 21 22 /* Console functions */ 23 void of_console_init(void); 24 25 typedef u16 __be16; 26 typedef u32 __be32; 27 typedef 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