xref: /openbmc/linux/arch/powerpc/boot/of.h (revision 275876e2)
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 u32			__be32;
25 
26 #ifdef __LITTLE_ENDIAN__
27 #define cpu_to_be32(x) swab32(x)
28 #define be32_to_cpu(x) swab32(x)
29 #else
30 #define cpu_to_be32(x) (x)
31 #define be32_to_cpu(x) (x)
32 #endif
33 
34 #define PROM_ERROR (-1u)
35 
36 #endif /* _PPC_BOOT_OF_H_ */
37