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 #ifndef _AT91_GENERIC_H 12 #define _AT91_GENERIC_H 13 14 #include <linux/clkdev.h> 15 #include <linux/of.h> 16 #include <linux/reboot.h> 17 18 /* Map io */ 19 extern void __init at91_map_io(void); 20 extern void __init at91_init_sram(int bank, unsigned long base, 21 unsigned int length); 22 23 /* Processors */ 24 extern void __init at91rm9200_set_type(int type); 25 extern void __init at91_initialize(unsigned long main_clock); 26 extern void __init at91x40_initialize(unsigned long main_clock); 27 extern void __init at91rm9200_dt_initialize(void); 28 extern void __init at91_dt_initialize(void); 29 30 /* Interrupts */ 31 extern void __init at91_init_irq_default(void); 32 extern void __init at91_init_interrupts(unsigned int priority[]); 33 extern void __init at91x40_init_interrupts(unsigned int priority[]); 34 extern void __init at91_aic_init(unsigned int priority[], 35 unsigned int ext_irq_mask); 36 extern int __init at91_aic_of_init(struct device_node *node, 37 struct device_node *parent); 38 extern int __init at91_aic5_of_init(struct device_node *node, 39 struct device_node *parent); 40 extern void __init at91_sysirq_mask_rtc(u32 rtc_base); 41 extern void __init at91_sysirq_mask_rtt(u32 rtt_base); 42 43 /* Devices */ 44 extern void __init at91_register_devices(void); 45 46 /* Timer */ 47 extern void __init at91_init_time(void); 48 extern void at91rm9200_ioremap_st(u32 addr); 49 extern void at91rm9200_timer_init(void); 50 extern void at91sam926x_ioremap_pit(u32 addr); 51 extern void at91sam926x_pit_init(void); 52 extern void at91x40_timer_init(void); 53 54 /* Clocks */ 55 #ifdef CONFIG_OLD_CLK_AT91 56 extern int __init at91_clock_init(unsigned long main_clock); 57 extern int __init at91_dt_clock_init(void); 58 #else 59 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 60 static int inline at91_dt_clock_init(void) { return 0; } 61 #endif 62 struct device; 63 64 /* Power Management */ 65 extern void at91_irq_suspend(void); 66 extern void at91_irq_resume(void); 67 68 /* idle */ 69 extern void at91sam9_idle(void); 70 71 /* Matrix */ 72 extern void at91_ioremap_matrix(u32 base_addr); 73 74 /* Ram Controler */ 75 extern void at91_ioremap_ramc(int id, u32 addr, u32 size); 76 77 /* GPIO */ 78 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 79 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 80 81 struct at91_gpio_bank { 82 unsigned short id; /* peripheral ID */ 83 unsigned long regbase; /* offset from system peripheral base */ 84 }; 85 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 86 extern void __init at91_gpio_irq_setup(void); 87 extern int __init at91_gpio_of_irq_setup(struct device_node *node, 88 struct device_node *parent); 89 90 extern u32 at91_get_extern_irq(void); 91 92 #endif /* _AT91_GENERIC_H */ 93