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 #include <linux/of.h>
  13
  14  /* Map io */
  15 extern void __init at91_map_io(void);
  16 extern void __init at91_init_sram(int bank, unsigned long base,
  17                                   unsigned int length);
  18
  19  /* Processors */
  20 extern void __init at91rm9200_set_type(int type);
  21 extern void __init at91_initialize(unsigned long main_clock);
  22 extern void __init at91x40_initialize(unsigned long main_clock);
  23 extern void __init at91rm9200_dt_initialize(void);
  24 extern void __init at91_dt_initialize(void);
  25
  26  /* Interrupts */
  27 extern void __init at91_init_irq_default(void);
  28 extern void __init at91_init_interrupts(unsigned int priority[]);
  29 extern void __init at91x40_init_interrupts(unsigned int priority[]);
  30 extern void __init at91_aic_init(unsigned int priority[],
  31                                  unsigned int ext_irq_mask);
  32 extern int  __init at91_aic_of_init(struct device_node *node,
  33                                     struct device_node *parent);
  34 extern int  __init at91_aic5_of_init(struct device_node *node,
  35                                     struct device_node *parent);
  36
  37
  38  /* Timer */
  39 extern void at91rm9200_ioremap_st(u32 addr);
  40 extern void at91rm9200_timer_init(void);
  41 extern void at91sam926x_ioremap_pit(u32 addr);
  42 extern void at91sam926x_pit_init(void);
  43 extern void at91x40_timer_init(void);
  44
  45  /* Clocks */
  46 #ifdef CONFIG_AT91_PMC_UNIT
  47 extern int __init at91_clock_init(unsigned long main_clock);
  48 extern int __init at91_dt_clock_init(void);
  49 #else
  50 static int inline at91_clock_init(unsigned long main_clock) { return 0; }
  51 #endif
  52 struct device;
  53
  54  /* Power Management */
  55 extern void at91_irq_suspend(void);
  56 extern void at91_irq_resume(void);
  57
  58 /* idle */
  59 extern void at91sam9_idle(void);
  60
  61 /* reset */
  62 extern void at91_ioremap_rstc(u32 base_addr);
  63 extern void at91sam9_alt_restart(char, const char *);
  64 extern void at91sam9g45_restart(char, const char *);
  65
  66 /* shutdown */
  67 extern void at91_ioremap_shdwc(u32 base_addr);
  68
  69 /* Matrix */
  70 extern void at91_ioremap_matrix(u32 base_addr);
  71
  72 /* Ram Controler */
  73 extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  74
  75  /* GPIO */
  76 #define AT91RM9200_PQFP         3       /* AT91RM9200 PQFP package has 3 banks */
  77 #define AT91RM9200_BGA          4       /* AT91RM9200 BGA package has 4 banks */
  78
  79 struct at91_gpio_bank {
  80         unsigned short id;              /* peripheral ID */
  81         unsigned long regbase;          /* offset from system peripheral base */
  82 };
  83 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  84 extern void __init at91_gpio_irq_setup(void);
  85 extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
  86                                           struct device_node *parent);
  87
  88 extern int at91_extern_irq;