The discovered bit in PGCCSR register indicates if the device has been
[linux-2.6/next.git] / arch / sparc / kernel / kernel.h
blobfd6c36b1df743140c2aaa5d4139feec5075427c7
1 #ifndef __SPARC_KERNEL_H
2 #define __SPARC_KERNEL_H
4 #include <linux/interrupt.h>
6 #include <asm/traps.h>
7 #include <asm/head.h>
8 #include <asm/io.h>
10 /* cpu.c */
11 extern const char *sparc_pmu_type;
12 extern unsigned int fsr_storage;
13 extern int ncpus_probed;
15 #ifdef CONFIG_SPARC64
16 /* setup_64.c */
17 struct seq_file;
18 extern void cpucap_info(struct seq_file *);
20 static inline unsigned long kimage_addr_to_ra(const char *p)
22 unsigned long val = (unsigned long) p;
24 return kern_base + (val - KERNBASE);
26 #endif
28 #ifdef CONFIG_SPARC32
29 /* cpu.c */
30 extern void cpu_probe(void);
32 /* traps_32.c */
33 extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
34 unsigned long npc, unsigned long psr);
35 /* muldiv.c */
36 extern int do_user_muldiv (struct pt_regs *, unsigned long);
38 /* irq_32.c */
39 extern struct irqaction static_irqaction[];
40 extern int static_irq_count;
41 extern spinlock_t irq_action_lock;
43 extern void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
44 extern void init_IRQ(void);
46 /* sun4c_irq.c */
47 extern void sun4c_init_IRQ(void);
49 /* sun4m_irq.c */
50 extern unsigned int lvl14_resolution;
52 extern void sun4m_init_IRQ(void);
53 extern void sun4m_unmask_profile_irq(void);
54 extern void sun4m_clear_profile_irq(int cpu);
56 /* sun4d_irq.c */
57 extern spinlock_t sun4d_imsk_lock;
59 extern void sun4d_init_IRQ(void);
60 extern int sun4d_request_irq(unsigned int irq,
61 irq_handler_t handler,
62 unsigned long irqflags,
63 const char *devname, void *dev_id);
64 extern int show_sun4d_interrupts(struct seq_file *, void *);
65 extern void sun4d_distribute_irqs(void);
66 extern void sun4d_free_irq(unsigned int irq, void *dev_id);
68 /* head_32.S */
69 extern unsigned int t_nmi[];
70 extern unsigned int linux_trap_ipi15_sun4d[];
71 extern unsigned int linux_trap_ipi15_sun4m[];
73 extern struct tt_entry trapbase_cpu1;
74 extern struct tt_entry trapbase_cpu2;
75 extern struct tt_entry trapbase_cpu3;
77 extern char cputypval[];
79 /* entry.S */
80 extern unsigned long lvl14_save[4];
81 extern unsigned int real_irq_entry[];
82 extern unsigned int smp4d_ticker[];
83 extern unsigned int patchme_maybe_smp_msg[];
85 extern void floppy_hardint(void);
87 /* trampoline_32.S */
88 extern int __smp4m_processor_id(void);
89 extern int __smp4d_processor_id(void);
90 extern unsigned long sun4m_cpu_startup;
91 extern unsigned long sun4d_cpu_startup;
93 #else /* CONFIG_SPARC32 */
94 #endif /* CONFIG_SPARC32 */
95 #endif /* !(__SPARC_KERNEL_H) */