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_alt_map_io(void); 18 extern void __init at91_init_sram(int bank, unsigned long base, 19 unsigned int length); 20 21 /* Processors */ 22 extern void __init at91rm9200_set_type(int type); 23 extern void __init at91_initialize(unsigned long main_clock); 24 extern void __init at91x40_initialize(unsigned long main_clock); 25 extern void __init at91rm9200_dt_initialize(void); 26 extern void __init at91_dt_initialize(void); 27 28 /* Interrupts */ 29 extern void __init at91_init_irq_default(void); 30 extern void __init at91_init_interrupts(unsigned int priority[]); 31 extern void __init at91x40_init_interrupts(unsigned int priority[]); 32 extern void __init at91_aic_init(unsigned int priority[], 33 unsigned int ext_irq_mask); 34 extern int __init at91_aic_of_init(struct device_node *node, 35 struct device_node *parent); 36 extern int __init at91_aic5_of_init(struct device_node *node, 37 struct device_node *parent); 38 extern void __init at91_sysirq_mask_rtc(u32 rtc_base); 39 extern void __init at91_sysirq_mask_rtt(u32 rtt_base); 40 41 42 /* Timer */ 43 extern void at91rm9200_ioremap_st(u32 addr); 44 extern void at91rm9200_timer_init(void); 45 extern void at91sam926x_ioremap_pit(u32 addr); 46 extern void at91sam926x_pit_init(void); 47 extern void at91x40_timer_init(void); 48 49 /* Clocks */ 50 #ifdef CONFIG_OLD_CLK_AT91 51 extern int __init at91_clock_init(unsigned long main_clock); 52 extern int __init at91_dt_clock_init(void); 53 #else 54 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 55 static int inline at91_dt_clock_init(void) { return 0; } 56 #endif 57 struct device; 58 59 /* Power Management */ 60 extern void at91_irq_suspend(void); 61 extern void at91_irq_resume(void); 62 63 /* idle */ 64 extern void at91sam9_idle(void); 65 66 /* reset */ 67 extern void at91_ioremap_rstc(u32 base_addr); 68 extern void at91sam9_alt_restart(enum reboot_mode, const char *); 69 extern void at91sam9g45_restart(enum reboot_mode, const char *); 70 71 /* shutdown */ 72 extern void at91_ioremap_shdwc(u32 base_addr); 73 74 /* Matrix */ 75 extern void at91_ioremap_matrix(u32 base_addr); 76 77 /* Ram Controler */ 78 extern void at91_ioremap_ramc(int id, u32 addr, u32 size); 79 80 /* GPIO */ 81 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 82 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 83 84 struct at91_gpio_bank { 85 unsigned short id; /* peripheral ID */ 86 unsigned long regbase; /* offset from system peripheral base */ 87 }; 88 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 89 extern void __init at91_gpio_irq_setup(void); 90 extern int __init at91_gpio_of_irq_setup(struct device_node *node, 91 struct device_node *parent); 92 93 extern u32 at91_get_extern_irq(void); 94