xref: /linux/arch/arm/mach-imx/common.h (revision e0bf6c5ca2d3281f231c5f0c9bf145e9513644de)
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 struct of_device_id;
23 
24 void mx1_map_io(void);
25 void mx21_map_io(void);
26 void mx25_map_io(void);
27 void mx27_map_io(void);
28 void mx31_map_io(void);
29 void mx35_map_io(void);
30 void imx1_init_early(void);
31 void imx21_init_early(void);
32 void imx25_init_early(void);
33 void imx27_init_early(void);
34 void imx31_init_early(void);
35 void imx35_init_early(void);
36 void mxc_init_irq(void __iomem *);
37 void tzic_init_irq(void);
38 void mx1_init_irq(void);
39 void mx21_init_irq(void);
40 void mx25_init_irq(void);
41 void mx27_init_irq(void);
42 void mx31_init_irq(void);
43 void mx35_init_irq(void);
44 void imx1_soc_init(void);
45 void imx21_soc_init(void);
46 void imx25_soc_init(void);
47 void imx27_soc_init(void);
48 void imx31_soc_init(void);
49 void imx35_soc_init(void);
50 void epit_timer_init(void __iomem *base, int irq);
51 void mxc_timer_init(void __iomem *, int);
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 int mx51_revision(void);
65 int mx53_revision(void);
66 void imx_set_aips(void __iomem *);
67 void imx_aips_allow_unprivileged_access(const char *compat);
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 void imx6_enable_rbc(bool enable);
74 void imx_gpc_set_arm_power_in_lpm(bool power_off);
75 void imx_gpc_set_arm_power_up_timing(u32 sw2iso, u32 sw);
76 void imx_gpc_set_arm_power_down_timing(u32 sw2iso, u32 sw);
77 
78 enum mxc_cpu_pwr_mode {
79 	WAIT_CLOCKED,		/* wfi only */
80 	WAIT_UNCLOCKED,		/* WAIT */
81 	WAIT_UNCLOCKED_POWER_OFF,	/* WAIT + SRPG */
82 	STOP_POWER_ON,		/* just STOP */
83 	STOP_POWER_OFF,		/* STOP + SRPG */
84 };
85 
86 enum mx3_cpu_pwr_mode {
87 	MX3_RUN,
88 	MX3_WAIT,
89 	MX3_DOZE,
90 	MX3_SLEEP,
91 };
92 
93 void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode);
94 void imx_print_silicon_rev(const char *cpu, int srev);
95 
96 void imx_enable_cpu(int cpu, bool enable);
97 void imx_set_cpu_jump(int cpu, void *jump_addr);
98 u32 imx_get_cpu_arg(int cpu);
99 void imx_set_cpu_arg(int cpu, u32 arg);
100 #ifdef CONFIG_SMP
101 void v7_secondary_startup(void);
102 void imx_scu_map_io(void);
103 void imx_smp_prepare(void);
104 #else
105 static inline void imx_scu_map_io(void) {}
106 static inline void imx_smp_prepare(void) {}
107 #endif
108 void imx_src_init(void);
109 void imx_gpc_init(void);
110 void imx_gpc_pre_suspend(bool arm_power_off);
111 void imx_gpc_post_resume(void);
112 void imx_gpc_mask_all(void);
113 void imx_gpc_restore_all(void);
114 void imx_gpc_hwirq_mask(unsigned int hwirq);
115 void imx_gpc_hwirq_unmask(unsigned int hwirq);
116 void imx_anatop_init(void);
117 void imx_anatop_pre_suspend(void);
118 void imx_anatop_post_resume(void);
119 int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
120 void imx6q_set_int_mem_clk_lpm(bool enable);
121 void imx6sl_set_wait_clk(bool enter);
122 int imx_mmdc_get_ddr_type(void);
123 
124 void imx_cpu_die(unsigned int cpu);
125 int imx_cpu_kill(unsigned int cpu);
126 
127 #ifdef CONFIG_SUSPEND
128 void v7_cpu_resume(void);
129 void imx6_suspend(void __iomem *ocram_vbase);
130 #else
131 static inline void v7_cpu_resume(void) {}
132 static inline void imx6_suspend(void __iomem *ocram_vbase) {}
133 #endif
134 
135 void imx6q_pm_init(void);
136 void imx6dl_pm_init(void);
137 void imx6sl_pm_init(void);
138 void imx6sx_pm_init(void);
139 void imx6q_pm_set_ccm_base(void __iomem *base);
140 
141 #ifdef CONFIG_PM
142 void imx51_pm_init(void);
143 void imx53_pm_init(void);
144 void imx5_pm_set_ccm_base(void __iomem *base);
145 #else
146 static inline void imx51_pm_init(void) {}
147 static inline void imx53_pm_init(void) {}
148 static inline void imx5_pm_set_ccm_base(void __iomem *base) {}
149 #endif
150 
151 #ifdef CONFIG_NEON
152 int mx51_neon_fixup(void);
153 #else
154 static inline int mx51_neon_fixup(void) { return 0; }
155 #endif
156 
157 #ifdef CONFIG_CACHE_L2X0
158 void imx_init_l2cache(void);
159 #else
160 static inline void imx_init_l2cache(void) {}
161 #endif
162 
163 extern struct smp_operations imx_smp_ops;
164 extern struct smp_operations ls1021a_smp_ops;
165 
166 #endif
167