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 struct sys_timer;
  40 extern void at91rm9200_ioremap_st(u32 addr);
  41 extern struct sys_timer at91rm9200_timer;
  42 extern void at91sam926x_ioremap_pit(u32 addr);
  43 extern struct sys_timer at91sam926x_timer;
  44 extern struct sys_timer at91x40_timer;
  45
  46  /* Clocks */
  47 #ifdef CONFIG_AT91_PMC_UNIT
  48 extern int __init at91_clock_init(unsigned long main_clock);
  49 extern int __init at91_dt_clock_init(void);
  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 /* idle */
  60 extern void at91sam9_idle(void);
  61
  62 /* reset */
  63 extern void at91_ioremap_rstc(u32 base_addr);
  64 extern void at91sam9_alt_restart(char, const char *);
  65 extern void at91sam9g45_restart(char, const char *);
  66
  67 /* shutdown */
  68 extern void at91_ioremap_shdwc(u32 base_addr);
  69
  70 /* Matrix */
  71 extern void at91_ioremap_matrix(u32 base_addr);
  72
  73 /* Ram Controler */
  74 extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  75
  76  /* GPIO */
  77 #define AT91RM9200_PQFP         3       /* AT91RM9200 PQFP package has 3 banks */
  78 #define AT91RM9200_BGA          4       /* AT91RM9200 BGA package has 4 banks */
  79
  80 struct at91_gpio_bank {
  81         unsigned short id;              /* peripheral ID */
  82         unsigned long regbase;          /* offset from system peripheral base */
  83 };
  84 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  85 extern void __init at91_gpio_irq_setup(void);
  86 extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
  87                                           struct device_node *parent);
  88
  89 extern int at91_extern_irq;