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kernel/linux-imx6_3.14.28/arch/arm/mach-imx/common.h 5.82 KB
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  /*
   * Copyright 2004-2015 Freescale Semiconductor, Inc. All Rights Reserved.
   */
  
  /*
   * 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.
   */
  
  #ifndef __ASM_ARCH_MXC_COMMON_H__
  #define __ASM_ARCH_MXC_COMMON_H__
  
  #include <linux/reboot.h>
  
  struct irq_data;
  struct platform_device;
  struct pt_regs;
  struct clk;
  struct clk_hw;
  struct device_node;
  enum mxc_cpu_pwr_mode;
  
  void mx1_map_io(void);
  void mx21_map_io(void);
  void mx25_map_io(void);
  void mx27_map_io(void);
  void mx31_map_io(void);
  void mx35_map_io(void);
  void mx51_map_io(void);
  void mx53_map_io(void);
  void imx1_init_early(void);
  void imx21_init_early(void);
  void imx25_init_early(void);
  void imx27_init_early(void);
  void imx31_init_early(void);
  void imx35_init_early(void);
  void imx51_init_early(void);
  void imx53_init_early(void);
  void mxc_init_irq(void __iomem *);
  void tzic_init_irq(void __iomem *);
  void mx1_init_irq(void);
  void mx21_init_irq(void);
  void mx25_init_irq(void);
  void mx27_init_irq(void);
  void mx31_init_irq(void);
  void mx35_init_irq(void);
  void mx51_init_irq(void);
  void mx53_init_irq(void);
  void imx1_soc_init(void);
  void imx21_soc_init(void);
  void imx25_soc_init(void);
  void imx27_soc_init(void);
  void imx31_soc_init(void);
  void imx35_soc_init(void);
  void imx51_soc_init(void);
  void imx51_init_late(void);
  void imx53_init_late(void);
  void epit_timer_init(void __iomem *base, int irq);
  void mxc_timer_init(void __iomem *, int);
  void mxc_timer_init_dt(struct device_node *);
  int mx1_clocks_init(unsigned long fref);
  int mx21_clocks_init(unsigned long lref, unsigned long fref);
  int mx25_clocks_init(void);
  int mx27_clocks_init(unsigned long fref);
  int mx31_clocks_init(unsigned long fref);
  int mx35_clocks_init(void);
  int mx51_clocks_init(unsigned long ckil, unsigned long osc,
  			unsigned long ckih1, unsigned long ckih2);
  int mx25_clocks_init_dt(void);
  int mx27_clocks_init_dt(void);
  int mx31_clocks_init_dt(void);
  struct platform_device *mxc_register_gpio(char *name, int id,
  	resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
  void mxc_set_cpu_type(unsigned int type);
  void mxc_restart(enum reboot_mode, const char *);
  void mxc_arch_reset_init(void __iomem *);
  void mxc_arch_reset_init_dt(void);
  int mx53_revision(void);
  void imx_set_aips(void __iomem *);
  int mxc_device_init(void);
  void imx_set_soc_revision(unsigned int rev);
  unsigned int imx_get_soc_revision(void);
  void imx_init_revision_from_anatop(void);
  struct device *imx_soc_device_init(void);
  unsigned int imx_gpc_is_mf_mix_off(void);
  void imx6sx_set_m4_highfreq(bool high_freq);
  void imx_mu_enable_m4_irqs_in_gic(bool enable);
  void imx_gpc_add_m4_wake_up_irq(u32 irq, bool enable);
  void imx_gpc_hold_m4_in_sleep(void);
  void imx_gpc_release_m4_in_sleep(void);
  int imx_update_shared_mem(struct clk_hw *hw, bool enable);
  bool imx_src_is_m4_enabled(void);
  void mcc_receive_from_mu_buffer(unsigned int index, unsigned int *data);
  void mcc_send_via_mu_buffer(unsigned int index, unsigned int data);
  unsigned int imx_gpc_is_m4_sleeping(void);
  bool imx_mu_is_m4_in_low_freq(void);
  
  enum mxc_cpu_pwr_mode {
  	WAIT_CLOCKED,		/* wfi only */
  	WAIT_UNCLOCKED,		/* WAIT */
  	WAIT_UNCLOCKED_POWER_OFF,	/* WAIT + SRPG */
  	STOP_POWER_ON,		/* just STOP */
  	STOP_POWER_OFF,		/* STOP + SRPG */
  };
  
  enum mx3_cpu_pwr_mode {
  	MX3_RUN,
  	MX3_WAIT,
  	MX3_DOZE,
  	MX3_SLEEP,
  };
  
  void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode);
  void imx_print_silicon_rev(const char *cpu, int srev);
  
  void avic_handle_irq(struct pt_regs *);
  void tzic_handle_irq(struct pt_regs *);
  
  #define imx1_handle_irq avic_handle_irq
  #define imx21_handle_irq avic_handle_irq
  #define imx25_handle_irq avic_handle_irq
  #define imx27_handle_irq avic_handle_irq
  #define imx31_handle_irq avic_handle_irq
  #define imx35_handle_irq avic_handle_irq
  #define imx50_handle_irq tzic_handle_irq
  #define imx51_handle_irq tzic_handle_irq
  #define imx53_handle_irq tzic_handle_irq
  
  void imx_enable_cpu(int cpu, bool enable);
  void imx_set_cpu_jump(int cpu, void *jump_addr);
  u32 imx_get_cpu_arg(int cpu);
  void imx_set_cpu_arg(int cpu, u32 arg);
  #ifdef CONFIG_SMP
  void v7_secondary_startup(void);
  void imx_scu_map_io(void);
  void imx_smp_prepare(void);
  #else
  static inline void imx_scu_map_io(void) {}
  static inline void imx_smp_prepare(void) {}
  #endif
  extern void imx6_pm_map_io(void);
  
  void imx_src_init(void);
  void imx_gpc_init(void);
  void imx_gpc_pre_suspend(bool arm_power_off);
  void imx_gpc_post_resume(void);
  void imx_gpc_mask_all(void);
  void imx_gpc_restore_all(void);
  void imx_gpc_irq_mask(struct irq_data *d);
  void imx_gpc_irq_unmask(struct irq_data *d);
  void imx_anatop_init(void);
  void imx_anatop_pre_suspend(void);
  void imx_anatop_post_resume(void);
  int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
  void imx6q_set_int_mem_clk_lpm(bool enable);
  void imx6sl_set_wait_clk(bool enter);
  void imx6_enet_mac_init(const char *compatible);
  int imx_mmdc_get_ddr_type(void);
  void imx6_busfreq_map_io(void);
  void imx6sx_low_power_idle(void);
  void imx6q_enable_rbc(bool enable);
  
  void imx_cpu_die(unsigned int cpu);
  int imx_cpu_kill(unsigned int cpu);
  
  #ifdef CONFIG_SUSPEND
  void v7_cpu_resume(void);
  void imx6_suspend(void __iomem *ocram_vbase);
  #else
  static inline void v7_cpu_resume(void) {}
  static inline void imx6_suspend(void __iomem *ocram_vbase) {}
  #endif
  
  void imx6q_pm_init(void);
  void imx6dl_pm_init(void);
  void imx6sl_pm_init(void);
  void imx6sx_pm_init(void);
  void imx6q_pm_set_ccm_base(void __iomem *base);
  
  #ifdef CONFIG_PM
  void imx5_pm_init(void);
  #else
  static inline void imx5_pm_init(void) {}
  #endif
  
  #ifdef CONFIG_NEON
  int mx51_neon_fixup(void);
  #else
  static inline int mx51_neon_fixup(void) { return 0; }
  #endif
  
  #ifdef CONFIG_CACHE_L2X0
  void imx_init_l2cache(void);
  #else
  static inline void imx_init_l2cache(void) {}
  #endif
  
  extern struct smp_operations imx_smp_ops;
  extern void imx6sl_low_power_wfi(void __iomem *base);
  #endif