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/* Copyright 2000 AG Electronics Ltd. */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */
#ifndef _PPC_H
#define _PPC_H
#define BIG_ENDIAN
#define RODATA __attribute__ ((__section__ (".rodata")))
/* stringify is needed for macro expansion */
#define stringify(x) #x
#define mfdcr(reg) ({unsigned int result; \
__asm__ volatile("mfdcr %0, " stringify(reg) \
: "=r" (result)); result;})
#define mtdcr(reg, v) asm volatile("mtdcr " stringify(reg) ",%0" \
: : "r" (v))
extern unsigned ppc_getmsr(void);
extern unsigned ppc_gethid0(void);
extern unsigned ppc_gethid1(void);
extern unsigned ppc_getpvr(void);
extern void ppc_setmsr(unsigned);
extern void ppc_sethid0(unsigned);
extern void ppc_set1015(unsigned);
extern void ppc_init_float_registers(const double *);
/* Do CPU specific setup, with optional icache */
extern void ppc_setup_cpu(int icache);
extern void ppc_enable_dcache(void);
extern void ppc_disable_dcache(void);
extern void ppc_enable_mmu(void);
/* Describe which sort of ppc CPU I am */
extern void ppc_identify(void);
/* CPU clock speed in ticks per second */
extern unsigned long get_clock_speed();
#endif
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