arch/arm/mach-at91/generic.h

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