1. 根目录:
2. arch
3. powerpc
4. platforms
5. powermac
6. pmac.h

#ifndef __PMAC_H__
#define __PMAC_H__

#include <linux/pci.h>
#include <linux/irq.h>

/*
 * Declaration for the various functions exported by the
 * pmac_* files. Mostly for use by pmac_setup
 */

struct rtc_time;

extern int pmac_newworld;

extern long pmac_time_init(void);
extern unsigned long pmac_get_boot_time(void);
extern void pmac_get_rtc_time(struct rtc_time *);
extern int pmac_set_rtc_time(struct rtc_time *);
extern void pmac_read_rtc_time(void);
extern void pmac_calibrate_decr(void);
extern void pmac_pci_irq_fixup(struct pci_dev *);
extern void pmac_pci_init(void);

extern void pmac_nvram_update(void);
extern unsigned char pmac_nvram_read_byte(int addr);
extern void pmac_nvram_write_byte(int addr, unsigned char val);
extern void pmac_pcibios_after_init(void);
extern int of_show_percpuinfo(struct seq_file *m, int i);

extern void pmac_setup_pci_dma(void);
extern void pmac_check_ht_link(void);

extern void pmac_setup_smp(void);
extern int psurge_secondary_virq;
extern void low_cpu_die(void) __attribute__((noreturn));

extern int pmac_nvram_init(void);
extern void pmac_pic_init(void);

extern struct pci_controller_ops pmac_pci_controller_ops;

#endif /* __PMAC_H__ */