1 /* 2 * Copyright 2004-2014 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 irq_data; 17 struct platform_device; 18 struct pt_regs; 19 struct clk; 20 struct device_node; 21 enum mxc_cpu_pwr_mode; 22 23 void mx1_map_io(void); 24 void mx21_map_io(void); 25 void mx25_map_io(void); 26 void mx27_map_io(void); 27 void mx31_map_io(void); 28 void mx35_map_io(void); 29 void imx1_init_early(void); 30 void imx21_init_early(void); 31 void imx25_init_early(void); 32 void imx27_init_early(void); 33 void imx31_init_early(void); 34 void imx35_init_early(void); 35 void mxc_init_irq(void __iomem *); 36 void tzic_init_irq(void); 37 void mx1_init_irq(void); 38 void mx21_init_irq(void); 39 void mx25_init_irq(void); 40 void mx27_init_irq(void); 41 void mx31_init_irq(void); 42 void mx35_init_irq(void); 43 void imx1_soc_init(void); 44 void imx21_soc_init(void); 45 void imx25_soc_init(void); 46 void imx27_soc_init(void); 47 void imx31_soc_init(void); 48 void imx35_soc_init(void); 49 void epit_timer_init(void __iomem *base, int irq); 50 void mxc_timer_init(void __iomem *, int); 51 void mxc_timer_init_dt(struct device_node *); 52 int mx1_clocks_init(unsigned long fref); 53 int mx21_clocks_init(unsigned long lref, unsigned long fref); 54 int mx25_clocks_init(void); 55 int mx27_clocks_init(unsigned long fref); 56 int mx31_clocks_init(unsigned long fref); 57 int mx35_clocks_init(void); 58 int mx31_clocks_init_dt(void); 59 struct platform_device *mxc_register_gpio(char *name, int id, 60 resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); 61 void mxc_set_cpu_type(unsigned int type); 62 void mxc_restart(enum reboot_mode, const char *); 63 void mxc_arch_reset_init(void __iomem *); 64 void mxc_arch_reset_init_dt(void); 65 int mx51_revision(void); 66 int mx53_revision(void); 67 void imx_set_aips(void __iomem *); 68 int mxc_device_init(void); 69 void imx_set_soc_revision(unsigned int rev); 70 unsigned int imx_get_soc_revision(void); 71 void imx_init_revision_from_anatop(void); 72 struct device *imx_soc_device_init(void); 73 74 enum mxc_cpu_pwr_mode { 75 WAIT_CLOCKED, /* wfi only */ 76 WAIT_UNCLOCKED, /* WAIT */ 77 WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */ 78 STOP_POWER_ON, /* just STOP */ 79 STOP_POWER_OFF, /* STOP + SRPG */ 80 }; 81 82 enum mx3_cpu_pwr_mode { 83 MX3_RUN, 84 MX3_WAIT, 85 MX3_DOZE, 86 MX3_SLEEP, 87 }; 88 89 void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode); 90 void imx_print_silicon_rev(const char *cpu, int srev); 91 92 void imx_enable_cpu(int cpu, bool enable); 93 void imx_set_cpu_jump(int cpu, void *jump_addr); 94 u32 imx_get_cpu_arg(int cpu); 95 void imx_set_cpu_arg(int cpu, u32 arg); 96 #ifdef CONFIG_SMP 97 void v7_secondary_startup(void); 98 void imx_scu_map_io(void); 99 void imx_smp_prepare(void); 100 void imx_scu_standby_enable(void); 101 #else 102 static inline void imx_scu_map_io(void) {} 103 static inline void imx_smp_prepare(void) {} 104 static inline void imx_scu_standby_enable(void) {} 105 #endif 106 void imx_src_init(void); 107 void imx_gpc_init(void); 108 void imx_gpc_pre_suspend(bool arm_power_off); 109 void imx_gpc_post_resume(void); 110 void imx_gpc_mask_all(void); 111 void imx_gpc_restore_all(void); 112 void imx_gpc_irq_mask(struct irq_data *d); 113 void imx_gpc_irq_unmask(struct irq_data *d); 114 void imx_anatop_init(void); 115 void imx_anatop_pre_suspend(void); 116 void imx_anatop_post_resume(void); 117 int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode); 118 void imx6q_set_int_mem_clk_lpm(bool enable); 119 void imx6sl_set_wait_clk(bool enter); 120 121 void imx_cpu_die(unsigned int cpu); 122 int imx_cpu_kill(unsigned int cpu); 123 124 #ifdef CONFIG_SUSPEND 125 void v7_cpu_resume(void); 126 void imx6_suspend(void __iomem *ocram_vbase); 127 #else 128 static inline void v7_cpu_resume(void) {} 129 static inline void imx6_suspend(void __iomem *ocram_vbase) {} 130 #endif 131 132 void imx6q_pm_init(void); 133 void imx6dl_pm_init(void); 134 void imx6sl_pm_init(void); 135 void imx6sx_pm_init(void); 136 void imx6q_pm_set_ccm_base(void __iomem *base); 137 138 #ifdef CONFIG_PM 139 void imx51_pm_init(void); 140 void imx53_pm_init(void); 141 void imx5_pm_set_ccm_base(void __iomem *base); 142 #else 143 static inline void imx51_pm_init(void) {} 144 static inline void imx53_pm_init(void) {} 145 static inline void imx5_pm_set_ccm_base(void __iomem *base) {} 146 #endif 147 148 #ifdef CONFIG_NEON 149 int mx51_neon_fixup(void); 150 #else 151 static inline int mx51_neon_fixup(void) { return 0; } 152 #endif 153 154 #ifdef CONFIG_CACHE_L2X0 155 void imx_init_l2cache(void); 156 #else 157 static inline void imx_init_l2cache(void) {} 158 #endif 159 160 extern struct smp_operations imx_smp_ops; 161 162 #endif 163