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 */
15extern void __init at91_map_io(void);
16extern void __init at91_init_sram(int bank, unsigned long base,
17				  unsigned int length);
18
19 /* Processors */
20extern void __init at91rm9200_set_type(int type);
21extern void __init at91_initialize(unsigned long main_clock);
22extern void __init at91x40_initialize(unsigned long main_clock);
23extern void __init at91_dt_initialize(void);
24
25 /* Interrupts */
26extern void __init at91_init_irq_default(void);
27extern void __init at91_init_interrupts(unsigned int priority[]);
28extern void __init at91x40_init_interrupts(unsigned int priority[]);
29extern void __init at91_aic_init(unsigned int priority[]);
30extern int  __init at91_aic_of_init(struct device_node *node,
31				    struct device_node *parent);
32
33
34 /* Timer */
35struct sys_timer;
36extern void at91rm9200_ioremap_st(u32 addr);
37extern struct sys_timer at91rm9200_timer;
38extern void at91sam926x_ioremap_pit(u32 addr);
39extern struct sys_timer at91sam926x_timer;
40extern struct sys_timer at91x40_timer;
41
42 /* Clocks */
43/*
44 * function to specify the clock of the default console. As we do not
45 * use the device/driver bus, the dev_name is not intialize. So we need
46 * to link the clock to a specific con_id only "usart"
47 */
48extern void __init at91rm9200_set_console_clock(int id);
49extern void __init at91sam9260_set_console_clock(int id);
50extern void __init at91sam9261_set_console_clock(int id);
51extern void __init at91sam9263_set_console_clock(int id);
52extern void __init at91sam9rl_set_console_clock(int id);
53extern void __init at91sam9g45_set_console_clock(int id);
54#ifdef CONFIG_AT91_PMC_UNIT
55extern int __init at91_clock_init(unsigned long main_clock);
56extern int __init at91_dt_clock_init(void);
57#else
58static int inline at91_clock_init(unsigned long main_clock) { return 0; }
59#endif
60struct device;
61
62 /* Power Management */
63extern void at91_irq_suspend(void);
64extern void at91_irq_resume(void);
65
66/* idle */
67extern void at91sam9_idle(void);
68
69/* reset */
70extern void at91_ioremap_rstc(u32 base_addr);
71extern void at91sam9_alt_restart(char, const char *);
72extern void at91sam9g45_restart(char, const char *);
73
74/* shutdown */
75extern void at91_ioremap_shdwc(u32 base_addr);
76
77/* Matrix */
78extern void at91_ioremap_matrix(u32 base_addr);
79
80/* Ram Controler */
81extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
82
83 /* GPIO */
84#define AT91RM9200_PQFP		3	/* AT91RM9200 PQFP package has 3 banks */
85#define AT91RM9200_BGA		4	/* AT91RM9200 BGA package has 4 banks */
86
87struct at91_gpio_bank {
88	unsigned short id;		/* peripheral ID */
89	unsigned long regbase;		/* offset from system peripheral base */
90};
91extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
92extern void __init at91_gpio_irq_setup(void);
93extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
94					  struct device_node *parent);
95
96extern int at91_extern_irq;
97