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kernel/linux-imx6_3.14.28/arch/arm/mach-at91/generic.h 2.93 KB
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  /*
   * linux/arch/arm/mach-at91/generic.h
   *
   *  Copyright (C) 2005 David Brownell
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/clkdev.h>
  #include <linux/of.h>
  #include <linux/reboot.h>
  
   /* Map io */
  extern void __init at91_map_io(void);
  extern void __init at91_init_sram(int bank, unsigned long base,
  				  unsigned int length);
  
   /* Processors */
  extern void __init at91rm9200_set_type(int type);
  extern void __init at91_initialize(unsigned long main_clock);
  extern void __init at91x40_initialize(unsigned long main_clock);
  extern void __init at91rm9200_dt_initialize(void);
  extern void __init at91_dt_initialize(void);
  
   /* Interrupts */
  extern void __init at91_init_irq_default(void);
  extern void __init at91_init_interrupts(unsigned int priority[]);
  extern void __init at91x40_init_interrupts(unsigned int priority[]);
  extern void __init at91_aic_init(unsigned int priority[],
  				 unsigned int ext_irq_mask);
  extern int  __init at91_aic_of_init(struct device_node *node,
  				    struct device_node *parent);
  extern int  __init at91_aic5_of_init(struct device_node *node,
  				    struct device_node *parent);
  extern void __init at91_sysirq_mask_rtc(u32 rtc_base);
  extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
  
  
   /* Timer */
  extern void at91rm9200_ioremap_st(u32 addr);
  extern void at91rm9200_timer_init(void);
  extern void at91sam926x_ioremap_pit(u32 addr);
  extern void at91sam926x_pit_init(void);
  extern void at91x40_timer_init(void);
  
   /* Clocks */
  #ifdef CONFIG_OLD_CLK_AT91
  extern int __init at91_clock_init(unsigned long main_clock);
  extern int __init at91_dt_clock_init(void);
  #else
  static int inline at91_clock_init(unsigned long main_clock) { return 0; }
  static int inline at91_dt_clock_init(void) { return 0; }
  #endif
  struct device;
  
   /* Power Management */
  extern void at91_irq_suspend(void);
  extern void at91_irq_resume(void);
  
  /* idle */
  extern void at91sam9_idle(void);
  
  /* reset */
  extern void at91_ioremap_rstc(u32 base_addr);
  extern void at91sam9_alt_restart(enum reboot_mode, const char *);
  extern void at91sam9g45_restart(enum reboot_mode, const char *);
  
  /* shutdown */
  extern void at91_ioremap_shdwc(u32 base_addr);
  
  /* Matrix */
  extern void at91_ioremap_matrix(u32 base_addr);
  
  /* Ram Controler */
  extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  
   /* GPIO */
  #define AT91RM9200_PQFP		3	/* AT91RM9200 PQFP package has 3 banks */
  #define AT91RM9200_BGA		4	/* AT91RM9200 BGA package has 4 banks */
  
  struct at91_gpio_bank {
  	unsigned short id;		/* peripheral ID */
  	unsigned long regbase;		/* offset from system peripheral base */
  };
  extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  extern void __init at91_gpio_irq_setup(void);
  extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
  					  struct device_node *parent);
  
  extern u32 at91_get_extern_irq(void);