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 mx53_clocks_init(unsigned long ckil, unsigned long osc,
  67                         unsigned long ckih1, unsigned long ckih2);
  68 extern int mx25_clocks_init_dt(void);
  69 extern int mx27_clocks_init_dt(void);
  70 extern int mx31_clocks_init_dt(void);
  71 extern int mx51_clocks_init_dt(void);
  72 extern int mx53_clocks_init_dt(void);
  73 extern struct platform_device *mxc_register_gpio(char *name, int id,
  74         resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
  75 extern void mxc_set_cpu_type(unsigned int type);
  76 extern void mxc_restart(enum reboot_mode, const char *);
  77 extern void mxc_arch_reset_init(void __iomem *);
  78 extern void mxc_arch_reset_init_dt(void);
  79 extern int mx53_revision(void);
  80 extern int imx6q_revision(void);
  81 extern int mx53_display_revision(void);
  82 extern void imx_set_aips(void __iomem *);
  83 extern int mxc_device_init(void);
  84
  85 enum mxc_cpu_pwr_mode {
  86         WAIT_CLOCKED,           /* wfi only */
  87         WAIT_UNCLOCKED,         /* WAIT */
  88         WAIT_UNCLOCKED_POWER_OFF,       /* WAIT + SRPG */
  89         STOP_POWER_ON,          /* just STOP */
  90         STOP_POWER_OFF,         /* STOP + SRPG */
  91 };
  92
  93 enum mx3_cpu_pwr_mode {
  94         MX3_RUN,
  95         MX3_WAIT,
  96         MX3_DOZE,
  97         MX3_SLEEP,
  98 };
  99
 100 extern void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode);
 101 extern void imx_print_silicon_rev(const char *cpu, int srev);
 102
 103 void avic_handle_irq(struct pt_regs *);
 104 void tzic_handle_irq(struct pt_regs *);
 105
 106 #define imx1_handle_irq avic_handle_irq
 107 #define imx21_handle_irq avic_handle_irq
 108 #define imx25_handle_irq avic_handle_irq
 109 #define imx27_handle_irq avic_handle_irq
 110 #define imx31_handle_irq avic_handle_irq
 111 #define imx35_handle_irq avic_handle_irq
 112 #define imx51_handle_irq tzic_handle_irq
 113 #define imx53_handle_irq tzic_handle_irq
 114
 115 extern void imx_enable_cpu(int cpu, bool enable);
 116 extern void imx_set_cpu_jump(int cpu, void *jump_addr);
 117 extern u32 imx_get_cpu_arg(int cpu);
 118 extern void imx_set_cpu_arg(int cpu, u32 arg);
 119 extern void v7_cpu_resume(void);
 120 #ifdef CONFIG_SMP
 121 extern void v7_secondary_startup(void);
 122 extern void imx_scu_map_io(void);
 123 extern void imx_smp_prepare(void);
 124 extern void imx_scu_standby_enable(void);
 125 #else
 126 static inline void imx_scu_map_io(void) {}
 127 static inline void imx_smp_prepare(void) {}
 128 static inline void imx_scu_standby_enable(void) {}
 129 #endif
 130 extern void imx_src_init(void);
 131 extern void imx_src_prepare_restart(void);
 132 extern void imx_gpc_init(void);
 133 extern void imx_gpc_pre_suspend(void);
 134 extern void imx_gpc_post_resume(void);
 135 extern void imx_gpc_mask_all(void);
 136 extern void imx_gpc_restore_all(void);
 137 extern void imx_anatop_init(void);
 138 extern void imx_anatop_pre_suspend(void);
 139 extern void imx_anatop_post_resume(void);
 140 extern u32 imx_anatop_get_digprog(void);
 141 extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
 142 extern void imx6q_set_chicken_bit(void);
 143
 144 extern void imx_cpu_die(unsigned int cpu);
 145 extern int imx_cpu_kill(unsigned int cpu);
 146
 147 #ifdef CONFIG_PM
 148 extern void imx6q_pm_init(void);
 149 extern void imx5_pm_init(void);
 150 #else
 151 static inline void imx6q_pm_init(void) {}
 152 static inline void imx5_pm_init(void) {}
 153 #endif
 154
 155 #ifdef CONFIG_NEON
 156 extern int mx51_neon_fixup(void);
 157 #else
 158 static inline int mx51_neon_fixup(void) { return 0; }
 159 #endif
 160
 161 #ifdef CONFIG_CACHE_L2X0
 162 extern void imx_init_l2cache(void);
 163 #else
 164 static inline void imx_init_l2cache(void) {}
 165 #endif
 166
 167 extern struct smp_operations imx_smp_ops;
 168
 169 #endif