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 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;