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_alt_map_io(void); 21 extern void __init at91_init_sram(int bank, unsigned long base, 22 unsigned int length); 23 24 /* Processors */ 25 extern void __init at91rm9200_set_type(int type); 26 extern void __init at91_initialize(unsigned long main_clock); 27 extern void __init at91x40_initialize(unsigned long main_clock); 28 extern void __init at91rm9200_dt_initialize(void); 29 extern void __init at91_dt_initialize(void); 30 31 /* Interrupts */ 32 extern void __init at91_init_irq_default(void); 33 extern void __init at91_init_interrupts(unsigned int priority[]); 34 extern void __init at91x40_init_interrupts(unsigned int priority[]); 35 extern void __init at91_aic_init(unsigned int priority[], 36 unsigned int ext_irq_mask); 37 extern int __init at91_aic_of_init(struct device_node *node, 38 struct device_node *parent); 39 extern int __init at91_aic5_of_init(struct device_node *node, 40 struct device_node *parent); 41 extern void __init at91_sysirq_mask_rtc(u32 rtc_base); 42 extern void __init at91_sysirq_mask_rtt(u32 rtt_base); 43 44 /* Devices */ 45 extern void __init at91_register_devices(void); 46 47 /* Timer */ 48 extern void __init at91_init_time(void); 49 extern void at91rm9200_ioremap_st(u32 addr); 50 extern void at91rm9200_timer_init(void); 51 extern void at91sam926x_ioremap_pit(u32 addr); 52 extern void at91sam926x_pit_init(int irq); 53 extern void at91x40_timer_init(void); 54 55 /* Clocks */ 56 #ifdef CONFIG_OLD_CLK_AT91 57 extern int __init at91_clock_init(unsigned long main_clock); 58 extern int __init at91_dt_clock_init(void); 59 #else 60 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 61 static int inline at91_dt_clock_init(void) { return 0; } 62 #endif 63 struct device; 64 65 /* Power Management */ 66 extern void at91_irq_suspend(void); 67 extern void at91_irq_resume(void); 68 69 /* idle */ 70 extern void at91sam9_idle(void); 71 72 /* Matrix */ 73 extern void at91_ioremap_matrix(u32 base_addr); 74 75 /* Ram Controler */ 76 extern void at91_ioremap_ramc(int id, u32 addr, u32 size); 77 78 /* GPIO */ 79 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 80 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 81 82 struct at91_gpio_bank { 83 unsigned short id; /* peripheral ID */ 84 unsigned long regbase; /* offset from system peripheral base */ 85 }; 86 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 87 extern void __init at91_gpio_irq_setup(void); 88 extern int __init at91_gpio_of_irq_setup(struct device_node *node, 89 struct device_node *parent); 90 91 extern u32 at91_get_extern_irq(void); 92 93 #endif /* _AT91_GENERIC_H */ 94