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 */ 15extern void __init at91_map_io(void); 16extern void __init at91_init_sram(int bank, unsigned long base, 17 unsigned int length); 18 19 /* Processors */ 20extern void __init at91rm9200_set_type(int type); 21extern void __init at91_initialize(unsigned long main_clock); 22extern void __init at91x40_initialize(unsigned long main_clock); 23extern void __init at91_dt_initialize(void); 24 25 /* Interrupts */ 26extern void __init at91_init_irq_default(void); 27extern void __init at91_init_interrupts(unsigned int priority[]); 28extern void __init at91x40_init_interrupts(unsigned int priority[]); 29extern void __init at91_aic_init(unsigned int priority[]); 30extern int __init at91_aic_of_init(struct device_node *node, 31 struct device_node *parent); 32 33 34 /* Timer */ 35struct sys_timer; 36extern void at91rm9200_ioremap_st(u32 addr); 37extern struct sys_timer at91rm9200_timer; 38extern void at91sam926x_ioremap_pit(u32 addr); 39extern struct sys_timer at91sam926x_timer; 40extern struct sys_timer at91x40_timer; 41 42 /* Clocks */ 43/* 44 * function to specify the clock of the default console. As we do not 45 * use the device/driver bus, the dev_name is not intialize. So we need 46 * to link the clock to a specific con_id only "usart" 47 */ 48extern void __init at91rm9200_set_console_clock(int id); 49extern void __init at91sam9260_set_console_clock(int id); 50extern void __init at91sam9261_set_console_clock(int id); 51extern void __init at91sam9263_set_console_clock(int id); 52extern void __init at91sam9rl_set_console_clock(int id); 53extern void __init at91sam9g45_set_console_clock(int id); 54#ifdef CONFIG_AT91_PMC_UNIT 55extern int __init at91_clock_init(unsigned long main_clock); 56extern int __init at91_dt_clock_init(void); 57#else 58static int inline at91_clock_init(unsigned long main_clock) { return 0; } 59#endif 60struct device; 61 62 /* Power Management */ 63extern void at91_irq_suspend(void); 64extern void at91_irq_resume(void); 65 66/* idle */ 67extern void at91sam9_idle(void); 68 69/* reset */ 70extern void at91_ioremap_rstc(u32 base_addr); 71extern void at91sam9_alt_restart(char, const char *); 72extern void at91sam9g45_restart(char, const char *); 73 74/* shutdown */ 75extern void at91_ioremap_shdwc(u32 base_addr); 76 77/* Matrix */ 78extern void at91_ioremap_matrix(u32 base_addr); 79 80/* Ram Controler */ 81extern void at91_ioremap_ramc(int id, u32 addr, u32 size); 82 83 /* GPIO */ 84#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 85#define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 86 87struct at91_gpio_bank { 88 unsigned short id; /* peripheral ID */ 89 unsigned long regbase; /* offset from system peripheral base */ 90}; 91extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 92extern void __init at91_gpio_irq_setup(void); 93extern int __init at91_gpio_of_irq_setup(struct device_node *node, 94 struct device_node *parent); 95 96extern int at91_extern_irq; 97