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generic.h
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1 /*
2  * linux/arch/arm/mach-at91/generic.h
3  *
4  * Copyright (C) 2005 David Brownell
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #include <linux/clkdev.h>
12 #include <linux/of.h>
13 
14  /* Map io */
15 extern void __init at91_map_io(void);
16 extern void __init at91_init_sram(int bank, unsigned long base,
17  unsigned int length);
18 
19  /* Processors */
20 extern void __init at91rm9200_set_type(int type);
21 extern void __init at91_initialize(unsigned long main_clock);
22 extern void __init at91x40_initialize(unsigned long main_clock);
23 extern void __init at91_dt_initialize(void);
24 
25  /* Interrupts */
26 extern void __init at91_init_irq_default(void);
27 extern void __init at91_init_interrupts(unsigned int priority[]);
28 extern void __init at91x40_init_interrupts(unsigned int priority[]);
29 extern void __init at91_aic_init(unsigned int priority[],
30  unsigned int ext_irq_mask);
31 extern int __init at91_aic_of_init(struct device_node *node,
32  struct device_node *parent);
33 extern int __init at91_aic5_of_init(struct device_node *node,
34  struct device_node *parent);
35 
36 
37  /* Timer */
38 struct sys_timer;
39 extern void at91rm9200_ioremap_st(u32 addr);
40 extern struct sys_timer at91rm9200_timer;
41 extern void at91sam926x_ioremap_pit(u32 addr);
42 extern struct sys_timer at91sam926x_timer;
43 extern struct sys_timer at91x40_timer;
44 
45  /* Clocks */
46 #ifdef CONFIG_AT91_PMC_UNIT
47 extern int __init at91_clock_init(unsigned long main_clock);
48 extern int __init at91_dt_clock_init(void);
49 #else
50 static int inline at91_clock_init(unsigned long main_clock) { return 0; }
51 #endif
52 struct device;
53 
54  /* Power Management */
55 extern void at91_irq_suspend(void);
56 extern void at91_irq_resume(void);
57 
58 /* idle */
59 extern void at91sam9_idle(void);
60 
61 /* reset */
62 extern void at91_ioremap_rstc(u32 base_addr);
63 extern void at91sam9_alt_restart(char, const char *);
64 extern void at91sam9g45_restart(char, const char *);
65 
66 /* shutdown */
67 extern void at91_ioremap_shdwc(u32 base_addr);
68 
69 /* Matrix */
70 extern void at91_ioremap_matrix(u32 base_addr);
71 
72 /* Ram Controler */
73 extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
74 
75  /* GPIO */
76 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
77 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
78 
80  unsigned short id; /* peripheral ID */
81  unsigned long regbase; /* offset from system peripheral base */
82 };
83 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
84 extern void __init at91_gpio_irq_setup(void);
86  struct device_node *parent);
87 
88 extern int at91_extern_irq;