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 #include <linux/reboot.h> 14 15 /* Map io */ 16 extern void __init at91_map_io(void); 17 extern void __init at91_init_sram(int bank, unsigned long base, 18 unsigned int length); 19 20 /* Processors */ 21 extern void __init at91rm9200_set_type(int type); 22 extern void __init at91_initialize(unsigned long main_clock); 23 extern void __init at91x40_initialize(unsigned long main_clock); 24 extern void __init at91rm9200_dt_initialize(void); 25 extern void __init at91_dt_initialize(void); 26 27 /* Interrupts */ 28 extern void __init at91_init_irq_default(void); 29 extern void __init at91_init_interrupts(unsigned int priority[]); 30 extern void __init at91x40_init_interrupts(unsigned int priority[]); 31 extern void __init at91_aic_init(unsigned int priority[], 32 unsigned int ext_irq_mask); 33 extern int __init at91_aic_of_init(struct device_node *node, 34 struct device_node *parent); 35 extern int __init at91_aic5_of_init(struct device_node *node, 36 struct device_node *parent); 37 extern void __init at91_sysirq_mask_rtc(u32 rtc_base); 38 extern void __init at91_sysirq_mask_rtt(u32 rtt_base); 39 40 41 /* Timer */ 42 extern void at91rm9200_ioremap_st(u32 addr); 43 extern void at91rm9200_timer_init(void); 44 extern void at91sam926x_ioremap_pit(u32 addr); 45 extern void at91sam926x_pit_init(void); 46 extern void at91x40_timer_init(void); 47 48 /* Clocks */ 49 #ifdef CONFIG_AT91_PMC_UNIT 50 extern int __init at91_clock_init(unsigned long main_clock); 51 extern int __init at91_dt_clock_init(void); 52 #else 53 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 54 #endif 55 struct device; 56 57 /* Power Management */ 58 extern void at91_irq_suspend(void); 59 extern void at91_irq_resume(void); 60 61 /* idle */ 62 extern void at91sam9_idle(void); 63 64 /* reset */ 65 extern void at91_ioremap_rstc(u32 base_addr); 66 extern void at91sam9_alt_restart(enum reboot_mode, const char *); 67 extern void at91sam9g45_restart(enum reboot_mode, const char *); 68 69 /* shutdown */ 70 extern void at91_ioremap_shdwc(u32 base_addr); 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