arch/arm/mach-imx/common.h

   1 /*
   2  * Copyright 2004-2013 Freescale Semiconductor, Inc. All Rights Reserved.
   3  */
   4
   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 #ifndef __ASM_ARCH_MXC_COMMON_H__
  12 #define __ASM_ARCH_MXC_COMMON_H__
  13
  14 #include <linux/reboot.h>
  15
  16 struct platform_device;
  17 struct pt_regs;
  18 struct clk;
  19 enum mxc_cpu_pwr_mode;
  20
  21 extern void mx1_map_io(void);
  22 extern void mx21_map_io(void);
  23 extern void mx25_map_io(void);
  24 extern void mx27_map_io(void);
  25 extern void mx31_map_io(void);
  26 extern void mx35_map_io(void);
  27 extern void mx51_map_io(void);
  28 extern void mx53_map_io(void);
  29 extern void imx1_init_early(void);
  30 extern void imx21_init_early(void);
  31 extern void imx25_init_early(void);
  32 extern void imx27_init_early(void);
  33 extern void imx31_init_early(void);
  34 extern void imx35_init_early(void);
  35 extern void imx51_init_early(void);
  36 extern void imx53_init_early(void);
  37 extern void mxc_init_irq(void __iomem *);
  38 extern void tzic_init_irq(void __iomem *);
  39 extern void mx1_init_irq(void);
  40 extern void mx21_init_irq(void);
  41 extern void mx25_init_irq(void);
  42 extern void mx27_init_irq(void);
  43 extern void mx31_init_irq(void);
  44 extern void mx35_init_irq(void);
  45 extern void mx51_init_irq(void);
  46 extern void mx53_init_irq(void);
  47 extern void imx1_soc_init(void);
  48 extern void imx21_soc_init(void);
  49 extern void imx25_soc_init(void);
  50 extern void imx27_soc_init(void);
  51 extern void imx31_soc_init(void);
  52 extern void imx35_soc_init(void);
  53 extern void imx51_soc_init(void);
  54 extern void imx51_init_late(void);
  55 extern void imx53_init_late(void);
  56 extern void epit_timer_init(void __iomem *base, int irq);
  57 extern void mxc_timer_init(void __iomem *, int);
  58 extern int mx1_clocks_init(unsigned long fref);
  59 extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
  60 extern int mx25_clocks_init(void);
  61 extern int mx27_clocks_init(unsigned long fref);
  62 extern int mx31_clocks_init(unsigned long fref);
  63 extern int mx35_clocks_init(void);
  64 extern int mx51_clocks_init(unsigned long ckil, unsigned long osc,
  65                         unsigned long ckih1, unsigned long ckih2);
  66 extern int mx25_clocks_init_dt(void);
  67 extern int mx27_clocks_init_dt(void);
  68 extern int mx31_clocks_init_dt(void);
  69 extern struct platform_device *mxc_register_gpio(char *name, int id,
  70         resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
  71 extern void mxc_set_cpu_type(unsigned int type);
  72 extern void mxc_restart(enum reboot_mode, const char *);
  73 extern void mxc_arch_reset_init(void __iomem *);
  74 extern void mxc_arch_reset_init_dt(void);
  75 extern int mx53_revision(void);
  76 extern int mx53_display_revision(void);
  77 extern void imx_set_aips(void __iomem *);
  78 extern int mxc_device_init(void);
  79 void imx_set_soc_revision(unsigned int rev);
  80 unsigned int imx_get_soc_revision(void);
  81 void imx_init_revision_from_anatop(void);
  82 struct device *imx_soc_device_init(void);
  83
  84 enum mxc_cpu_pwr_mode {
  85         WAIT_CLOCKED,           /* wfi only */
  86         WAIT_UNCLOCKED,         /* WAIT */
  87         WAIT_UNCLOCKED_POWER_OFF,       /* WAIT + SRPG */
  88         STOP_POWER_ON,          /* just STOP */
  89         STOP_POWER_OFF,         /* STOP + SRPG */
  90 };
  91
  92 enum mx3_cpu_pwr_mode {
  93         MX3_RUN,
  94         MX3_WAIT,
  95         MX3_DOZE,
  96         MX3_SLEEP,
  97 };
  98
  99 extern void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode);
 100 extern void imx_print_silicon_rev(const char *cpu, int srev);
 101
 102 void avic_handle_irq(struct pt_regs *);
 103 void tzic_handle_irq(struct pt_regs *);
 104
 105 #define imx1_handle_irq avic_handle_irq
 106 #define imx21_handle_irq avic_handle_irq
 107 #define imx25_handle_irq avic_handle_irq
 108 #define imx27_handle_irq avic_handle_irq
 109 #define imx31_handle_irq avic_handle_irq
 110 #define imx35_handle_irq avic_handle_irq
 111 #define imx51_handle_irq tzic_handle_irq
 112 #define imx53_handle_irq tzic_handle_irq
 113
 114 extern void imx_enable_cpu(int cpu, bool enable);
 115 extern void imx_set_cpu_jump(int cpu, void *jump_addr);
 116 extern u32 imx_get_cpu_arg(int cpu);
 117 extern void imx_set_cpu_arg(int cpu, u32 arg);
 118 extern void v7_cpu_resume(void);
 119 #ifdef CONFIG_SMP
 120 extern void v7_secondary_startup(void);
 121 extern void imx_scu_map_io(void);
 122 extern void imx_smp_prepare(void);
 123 extern void imx_scu_standby_enable(void);
 124 #else
 125 static inline void imx_scu_map_io(void) {}
 126 static inline void imx_smp_prepare(void) {}
 127 static inline void imx_scu_standby_enable(void) {}
 128 #endif
 129 extern void imx_src_init(void);
 130 extern void imx_src_prepare_restart(void);
 131 extern void imx_gpc_init(void);
 132 extern void imx_gpc_pre_suspend(void);
 133 extern void imx_gpc_post_resume(void);
 134 extern void imx_gpc_mask_all(void);
 135 extern void imx_gpc_restore_all(void);
 136 extern void imx_anatop_init(void);
 137 extern void imx_anatop_pre_suspend(void);
 138 extern void imx_anatop_post_resume(void);
 139 extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
 140 extern void imx6q_set_chicken_bit(void);
 141
 142 extern void imx_cpu_die(unsigned int cpu);
 143 extern int imx_cpu_kill(unsigned int cpu);
 144
 145 #ifdef CONFIG_PM
 146 extern void imx6q_pm_init(void);
 147 extern void imx5_pm_init(void);
 148 #else
 149 static inline void imx6q_pm_init(void) {}
 150 static inline void imx5_pm_init(void) {}
 151 #endif
 152
 153 #ifdef CONFIG_NEON
 154 extern int mx51_neon_fixup(void);
 155 #else
 156 static inline int mx51_neon_fixup(void) { return 0; }
 157 #endif
 158
 159 #ifdef CONFIG_CACHE_L2X0
 160 extern void imx_init_l2cache(void);
 161 #else
 162 static inline void imx_init_l2cache(void) {}
 163 #endif
 164
 165 extern struct smp_operations imx_smp_ops;
 166
 167 #endif