xref: /openbmc/linux/arch/sparc/include/asm/setup.h (revision 23c2b932)
1 /*
2  *	Just a place holder.
3  */
4 #ifndef _SPARC_SETUP_H
5 #define _SPARC_SETUP_H
6 
7 #include <linux/interrupt.h>
8 
9 #include <uapi/asm/setup.h>
10 
11 extern char reboot_command[];
12 
13 #ifdef CONFIG_SPARC32
14 /* The CPU that was used for booting
15  * Only sun4d + leon may have boot_cpu_id != 0
16  */
17 extern unsigned char boot_cpu_id;
18 
19 extern unsigned long empty_zero_page;
20 
21 extern int serial_console;
22 static inline int con_is_present(void)
23 {
24 	return serial_console ? 0 : 1;
25 }
26 
27 /* from irq_32.c */
28 extern volatile unsigned char *fdc_status;
29 extern char *pdma_vaddr;
30 extern unsigned long pdma_size;
31 extern volatile int doing_pdma;
32 
33 /* This is software state */
34 extern char *pdma_base;
35 extern unsigned long pdma_areasize;
36 
37 int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
38 
39 /* setup_32.c */
40 extern unsigned long cmdline_memory_size;
41 
42 /* devices.c */
43 void __init device_scan(void);
44 
45 /* unaligned_32.c */
46 unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int);
47 
48 #endif
49 
50 #ifdef CONFIG_SPARC64
51 void __init start_early_boot(void);
52 
53 /* unaligned_64.c */
54 int handle_ldf_stq(u32 insn, struct pt_regs *regs);
55 void handle_ld_nf(u32 insn, struct pt_regs *regs);
56 
57 /* init_64.c */
58 extern atomic_t dcpage_flushes;
59 extern atomic_t dcpage_flushes_xcall;
60 
61 extern int sysctl_tsb_ratio;
62 #endif
63 
64 void sun_do_break(void);
65 extern int stop_a_enabled;
66 extern int scons_pwroff;
67 
68 #endif /* _SPARC_SETUP_H */
69