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 #include <linux/reboot.h>
  14
  15  /* Map io */
  16 extern void __init at91_map_io(void);
  17 extern void __init at91_init_sram(int bank, unsigned long base,
  18                                   unsigned int length);
  19
  20  /* Processors */
  21 extern void __init at91rm9200_set_type(int type);
  22 extern void __init at91_initialize(unsigned long main_clock);
  23 extern void __init at91x40_initialize(unsigned long main_clock);
  24 extern void __init at91rm9200_dt_initialize(void);
  25 extern void __init at91_dt_initialize(void);
  26
  27  /* Interrupts */
  28 extern void __init at91_init_irq_default(void);
  29 extern void __init at91_init_interrupts(unsigned int priority[]);
  30 extern void __init at91x40_init_interrupts(unsigned int priority[]);
  31 extern void __init at91_aic_init(unsigned int priority[],
  32                                  unsigned int ext_irq_mask);
  33 extern int  __init at91_aic_of_init(struct device_node *node,
  34                                     struct device_node *parent);
  35 extern int  __init at91_aic5_of_init(struct device_node *node,
  36                                     struct device_node *parent);
  37 extern void __init at91_sysirq_mask_rtc(u32 rtc_base);
  38 extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
  39
  40
  41  /* Timer */
  42 extern void at91rm9200_ioremap_st(u32 addr);
  43 extern void at91rm9200_timer_init(void);
  44 extern void at91sam926x_ioremap_pit(u32 addr);
  45 extern void at91sam926x_pit_init(void);
  46 extern void at91x40_timer_init(void);
  47
  48  /* Clocks */
  49 #ifdef CONFIG_OLD_CLK_AT91
  50 extern int __init at91_clock_init(unsigned long main_clock);
  51 extern int __init at91_dt_clock_init(void);
  52 #else
  53 static int inline at91_clock_init(unsigned long main_clock) { return 0; }
  54 static int inline at91_dt_clock_init(void) { return 0; }
  55 #endif
  56 struct device;
  57
  58  /* Power Management */
  59 extern void at91_irq_suspend(void);
  60 extern void at91_irq_resume(void);
  61
  62 /* idle */
  63 extern void at91sam9_idle(void);
  64
  65 /* reset */
  66 extern void at91_ioremap_rstc(u32 base_addr);
  67 extern void at91sam9_alt_restart(enum reboot_mode, const char *);
  68 extern void at91sam9g45_restart(enum reboot_mode, const char *);
  69
  70 /* shutdown */
  71 extern void at91_ioremap_shdwc(u32 base_addr);
  72
  73 /* Matrix */
  74 extern void at91_ioremap_matrix(u32 base_addr);
  75
  76 /* Ram Controler */
  77 extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  78
  79  /* GPIO */
  80 #define AT91RM9200_PQFP         3       /* AT91RM9200 PQFP package has 3 banks */
  81 #define AT91RM9200_BGA          4       /* AT91RM9200 BGA package has 4 banks */
  82
  83 struct at91_gpio_bank {
  84         unsigned short id;              /* peripheral ID */
  85         unsigned long regbase;          /* offset from system peripheral base */
  86 };
  87 extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  88 extern void __init at91_gpio_irq_setup(void);
  89 extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
  90                                           struct device_node *parent);
  91
  92 extern u32 at91_get_extern_irq(void);