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 13 /* Map io */ 14 extern void __init at91_map_io(void); 15 extern void __init at91_init_sram(int bank, unsigned long base, 16 unsigned int length); 17 18 /* Processors */ 19 extern void __init at91rm9200_set_type(int type); 20 extern void __init at91_initialize(unsigned long main_clock); 21 extern void __init at91x40_initialize(unsigned long main_clock); 22 23 /* Interrupts */ 24 extern void __init at91_init_irq_default(void); 25 extern void __init at91_init_interrupts(unsigned int priority[]); 26 extern void __init at91x40_init_interrupts(unsigned int priority[]); 27 extern void __init at91_aic_init(unsigned int priority[]); 28 29 /* Timer */ 30 struct sys_timer; 31 extern struct sys_timer at91rm9200_timer; 32 extern struct sys_timer at91sam926x_timer; 33 extern struct sys_timer at91x40_timer; 34 35 /* Clocks */ 36 /* 37 * function to specify the clock of the default console. As we do not 38 * use the device/driver bus, the dev_name is not intialize. So we need 39 * to link the clock to a specific con_id only "usart" 40 */ 41 extern void __init at91rm9200_set_console_clock(int id); 42 extern void __init at91sam9260_set_console_clock(int id); 43 extern void __init at91sam9261_set_console_clock(int id); 44 extern void __init at91sam9263_set_console_clock(int id); 45 extern void __init at91sam9rl_set_console_clock(int id); 46 extern void __init at91sam9g45_set_console_clock(int id); 47 extern void __init at91cap9_set_console_clock(int id); 48 #ifdef CONFIG_AT91_PMC_UNIT 49 extern int __init at91_clock_init(unsigned long main_clock); 50 #else 51 static int inline at91_clock_init(unsigned long main_clock) { return 0; } 52 #endif 53 struct device; 54 55 /* Power Management */ 56 extern void at91_irq_suspend(void); 57 extern void at91_irq_resume(void); 58 59 /* reset */ 60 extern void at91sam9_alt_reset(void); 61 62 /* GPIO */ 63 #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 64 #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 65 66 struct at91_gpio_bank { 67 unsigned short id; /* peripheral ID */ 68 unsigned long offset; /* offset from system peripheral base */ 69 struct clk *clock; /* associated clock */ 70 }; 71 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); 72 extern void __init at91_gpio_irq_setup(void); 73 74 extern void (*at91_arch_reset)(void); 75 extern int at91_extern_irq; 76