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 170