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 at91rm9200_dt_initialize(void); 24 extern void __init at91_dt_initialize(void); 25 26 /* Interrupts */ 27 extern void __init at91_init_irq_default(void); 28 extern void __init at91_init_interrupts(unsigned int priority[]); 29 extern void __init at91x40_init_interrupts(unsigned int priority[]); 30 extern void __init at91_aic_init(unsigned int priority[], 31 unsigned int ext_irq_mask); 32 extern int __init at91_aic_of_init(struct device_node *node, 33 struct device_node *parent); 34 extern int __init at91_aic5_of_init(struct device_node *node, 35 struct device_node *parent); 36 37 38 /* Timer */ 39 struct sys_timer; 40 extern void at91rm9200_ioremap_st(u32 addr); 41 extern struct sys_timer at91rm9200_timer; 42 extern void at91sam926x_ioremap_pit(u32 addr); 43 extern struct sys_timer at91sam926x_timer; 44 extern struct sys_timer at91x40_timer; 45 46 /* Clocks */ 47 #ifdef CONFIG_AT91_PMC_UNIT 48 extern int __init at91_clock_init(unsigned long main_clock); 49 extern int __init at91_dt_clock_init(void); 50 #else 51 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 52 #endif 53 struct device; 54 55 /* Power Management */ 56 extern void at91_irq_suspend(void); 57 extern void at91_irq_resume(void); 58 59 /* idle */ 60 extern void at91sam9_idle(void); 61 62 /* reset */ 63 extern void at91_ioremap_rstc(u32 base_addr); 64 extern void at91sam9_alt_restart(char, const char *); 65 extern void at91sam9g45_restart(char, const char *); 66 67 /* shutdown */ 68 extern void at91_ioremap_shdwc(u32 base_addr); 69 70 /* Matrix */ 71 extern void at91_ioremap_matrix(u32 base_addr); 72 73 /* Ram Controler */ 74 extern void at91_ioremap_ramc(int id, u32 addr, u32 size); 75 76 /* GPIO */ 77 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 78 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 79 80 struct at91_gpio_bank { 81 unsigned short id; /* peripheral ID */ 82 unsigned long regbase; /* offset from system peripheral base */ 83 }; 84 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 85 extern void __init at91_gpio_irq_setup(void); 86 extern int __init at91_gpio_of_irq_setup(struct device_node *node, 87 struct device_node *parent); 88 89 extern int at91_extern_irq; 90