xref: /openbmc/linux/arch/arm/mach-imx/common.h (revision f519f0be)
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 mx21_map_io(void);
25 void mx27_map_io(void);
26 void mx31_map_io(void);
27 void mx35_map_io(void);
28 void imx21_init_early(void);
29 void imx27_init_early(void);
30 void imx31_init_early(void);
31 void imx35_init_early(void);
32 void mxc_init_irq(void __iomem *);
33 void mx21_init_irq(void);
34 void mx27_init_irq(void);
35 void mx31_init_irq(void);
36 void mx35_init_irq(void);
37 void imx21_soc_init(void);
38 void imx27_soc_init(void);
39 void imx31_soc_init(void);
40 void imx35_soc_init(void);
41 int mx21_clocks_init(unsigned long lref, unsigned long fref);
42 int mx27_clocks_init(unsigned long fref);
43 int mx31_clocks_init(unsigned long fref);
44 int mx35_clocks_init(void);
45 struct platform_device *mxc_register_gpio(char *name, int id,
46 	resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
47 void mxc_set_cpu_type(unsigned int type);
48 void mxc_restart(enum reboot_mode, const char *);
49 void mxc_arch_reset_init(void __iomem *);
50 void imx1_reset_init(void __iomem *);
51 void imx_set_aips(void __iomem *);
52 void imx_aips_allow_unprivileged_access(const char *compat);
53 int mxc_device_init(void);
54 void imx_set_soc_revision(unsigned int rev);
55 void imx_init_revision_from_anatop(void);
56 struct device *imx_soc_device_init(void);
57 void imx6_enable_rbc(bool enable);
58 void imx_gpc_check_dt(void);
59 void imx_gpc_set_arm_power_in_lpm(bool power_off);
60 void imx_gpc_set_l2_mem_power_in_lpm(bool power_off);
61 void imx_gpc_set_arm_power_up_timing(u32 sw2iso, u32 sw);
62 void imx_gpc_set_arm_power_down_timing(u32 sw2iso, u32 sw);
63 void imx25_pm_init(void);
64 void imx27_pm_init(void);
65 void imx5_pmu_init(void);
66 
67 enum mxc_cpu_pwr_mode {
68 	WAIT_CLOCKED,		/* wfi only */
69 	WAIT_UNCLOCKED,		/* WAIT */
70 	WAIT_UNCLOCKED_POWER_OFF,	/* WAIT + SRPG */
71 	STOP_POWER_ON,		/* just STOP */
72 	STOP_POWER_OFF,		/* STOP + SRPG */
73 };
74 
75 enum ulp_cpu_pwr_mode {
76 	ULP_PM_HSRUN,    /* High speed run mode */
77 	ULP_PM_RUN,      /* Run mode */
78 	ULP_PM_WAIT,     /* Wait mode */
79 	ULP_PM_STOP,     /* Stop mode */
80 	ULP_PM_VLPS,     /* Very low power stop mode */
81 	ULP_PM_VLLS,     /* very low leakage stop mode */
82 };
83 
84 void imx_enable_cpu(int cpu, bool enable);
85 void imx_set_cpu_jump(int cpu, void *jump_addr);
86 u32 imx_get_cpu_arg(int cpu);
87 void imx_set_cpu_arg(int cpu, u32 arg);
88 #ifdef CONFIG_SMP
89 void v7_secondary_startup(void);
90 void imx_scu_map_io(void);
91 void imx_smp_prepare(void);
92 #else
93 static inline void imx_scu_map_io(void) {}
94 static inline void imx_smp_prepare(void) {}
95 #endif
96 void imx_src_init(void);
97 void imx_gpc_pre_suspend(bool arm_power_off);
98 void imx_gpc_post_resume(void);
99 void imx_gpc_mask_all(void);
100 void imx_gpc_restore_all(void);
101 void imx_gpc_hwirq_mask(unsigned int hwirq);
102 void imx_gpc_hwirq_unmask(unsigned int hwirq);
103 void imx_anatop_init(void);
104 void imx_anatop_pre_suspend(void);
105 void imx_anatop_post_resume(void);
106 int imx6_set_lpm(enum mxc_cpu_pwr_mode mode);
107 void imx6_set_int_mem_clk_lpm(bool enable);
108 void imx6sl_set_wait_clk(bool enter);
109 int imx_mmdc_get_ddr_type(void);
110 int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode);
111 
112 void imx_cpu_die(unsigned int cpu);
113 int imx_cpu_kill(unsigned int cpu);
114 
115 #ifdef CONFIG_SUSPEND
116 void v7_cpu_resume(void);
117 void imx53_suspend(void __iomem *ocram_vbase);
118 extern const u32 imx53_suspend_sz;
119 void imx6_suspend(void __iomem *ocram_vbase);
120 #else
121 static inline void v7_cpu_resume(void) {}
122 static inline void imx53_suspend(void __iomem *ocram_vbase) {}
123 static const u32 imx53_suspend_sz;
124 static inline void imx6_suspend(void __iomem *ocram_vbase) {}
125 #endif
126 
127 void imx6_pm_ccm_init(const char *ccm_compat);
128 void imx6q_pm_init(void);
129 void imx6dl_pm_init(void);
130 void imx6sl_pm_init(void);
131 void imx6sx_pm_init(void);
132 void imx6ul_pm_init(void);
133 void imx7ulp_pm_init(void);
134 
135 #ifdef CONFIG_PM
136 void imx51_pm_init(void);
137 void imx53_pm_init(void);
138 #else
139 static inline void imx51_pm_init(void) {}
140 static inline void imx53_pm_init(void) {}
141 #endif
142 
143 #ifdef CONFIG_NEON
144 int mx51_neon_fixup(void);
145 #else
146 static inline int mx51_neon_fixup(void) { return 0; }
147 #endif
148 
149 #ifdef CONFIG_CACHE_L2X0
150 void imx_init_l2cache(void);
151 #else
152 static inline void imx_init_l2cache(void) {}
153 #endif
154 
155 extern const struct smp_operations imx_smp_ops;
156 extern const struct smp_operations ls1021a_smp_ops;
157 
158 #endif
159