xref: /openbmc/linux/arch/arm/mach-imx/common.h (revision 929e2a61)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2004-2014 Freescale Semiconductor, Inc. All Rights Reserved.
4  */
5 
6 
7 #ifndef __ASM_ARCH_MXC_COMMON_H__
8 #define __ASM_ARCH_MXC_COMMON_H__
9 
10 #include <linux/reboot.h>
11 
12 struct irq_data;
13 struct platform_device;
14 struct pt_regs;
15 struct clk;
16 struct device_node;
17 enum mxc_cpu_pwr_mode;
18 struct of_device_id;
19 
20 void mx21_map_io(void);
21 void mx27_map_io(void);
22 void mx31_map_io(void);
23 void mx35_map_io(void);
24 void imx21_init_early(void);
25 void imx27_init_early(void);
26 void imx31_init_early(void);
27 void imx35_init_early(void);
28 void mxc_init_irq(void __iomem *);
29 void mx21_init_irq(void);
30 void mx27_init_irq(void);
31 void mx31_init_irq(void);
32 void mx35_init_irq(void);
33 void imx21_soc_init(void);
34 void imx27_soc_init(void);
35 void imx31_soc_init(void);
36 void imx35_soc_init(void);
37 int mx21_clocks_init(unsigned long lref, unsigned long fref);
38 int mx27_clocks_init(unsigned long fref);
39 int mx31_clocks_init(unsigned long fref);
40 int mx35_clocks_init(void);
41 struct platform_device *mxc_register_gpio(char *name, int id,
42 	resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
43 void mxc_set_cpu_type(unsigned int type);
44 void mxc_restart(enum reboot_mode, const char *);
45 void mxc_arch_reset_init(void __iomem *);
46 void imx1_reset_init(void __iomem *);
47 void imx_set_aips(void __iomem *);
48 void imx_aips_allow_unprivileged_access(const char *compat);
49 int mxc_device_init(void);
50 void imx_set_soc_revision(unsigned int rev);
51 void imx_init_revision_from_anatop(void);
52 void imx6_enable_rbc(bool enable);
53 void imx_gpc_check_dt(void);
54 void imx_gpc_set_arm_power_in_lpm(bool power_off);
55 void imx_gpc_set_l2_mem_power_in_lpm(bool power_off);
56 void imx_gpc_set_arm_power_up_timing(u32 sw2iso, u32 sw);
57 void imx_gpc_set_arm_power_down_timing(u32 sw2iso, u32 sw);
58 void imx25_pm_init(void);
59 void imx27_pm_init(void);
60 void imx5_pmu_init(void);
61 
62 enum mxc_cpu_pwr_mode {
63 	WAIT_CLOCKED,		/* wfi only */
64 	WAIT_UNCLOCKED,		/* WAIT */
65 	WAIT_UNCLOCKED_POWER_OFF,	/* WAIT + SRPG */
66 	STOP_POWER_ON,		/* just STOP */
67 	STOP_POWER_OFF,		/* STOP + SRPG */
68 };
69 
70 enum ulp_cpu_pwr_mode {
71 	ULP_PM_HSRUN,    /* High speed run mode */
72 	ULP_PM_RUN,      /* Run mode */
73 	ULP_PM_WAIT,     /* Wait mode */
74 	ULP_PM_STOP,     /* Stop mode */
75 	ULP_PM_VLPS,     /* Very low power stop mode */
76 	ULP_PM_VLLS,     /* very low leakage stop mode */
77 };
78 
79 void imx_enable_cpu(int cpu, bool enable);
80 void imx_set_cpu_jump(int cpu, void *jump_addr);
81 u32 imx_get_cpu_arg(int cpu);
82 void imx_set_cpu_arg(int cpu, u32 arg);
83 #ifdef CONFIG_SMP
84 void v7_secondary_startup(void);
85 void imx_scu_map_io(void);
86 void imx_smp_prepare(void);
87 #else
88 static inline void imx_scu_map_io(void) {}
89 static inline void imx_smp_prepare(void) {}
90 #endif
91 void imx_src_init(void);
92 void imx_gpc_pre_suspend(bool arm_power_off);
93 void imx_gpc_post_resume(void);
94 void imx_gpc_mask_all(void);
95 void imx_gpc_restore_all(void);
96 void imx_gpc_hwirq_mask(unsigned int hwirq);
97 void imx_gpc_hwirq_unmask(unsigned int hwirq);
98 void imx_anatop_init(void);
99 void imx_anatop_pre_suspend(void);
100 void imx_anatop_post_resume(void);
101 int imx6_set_lpm(enum mxc_cpu_pwr_mode mode);
102 void imx6_set_int_mem_clk_lpm(bool enable);
103 void imx6sl_set_wait_clk(bool enter);
104 int imx_mmdc_get_ddr_type(void);
105 int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode);
106 
107 void imx_cpu_die(unsigned int cpu);
108 int imx_cpu_kill(unsigned int cpu);
109 
110 #ifdef CONFIG_SUSPEND
111 void imx53_suspend(void __iomem *ocram_vbase);
112 extern const u32 imx53_suspend_sz;
113 void imx6_suspend(void __iomem *ocram_vbase);
114 #else
115 static inline void imx53_suspend(void __iomem *ocram_vbase) {}
116 static const u32 imx53_suspend_sz;
117 static inline void imx6_suspend(void __iomem *ocram_vbase) {}
118 #endif
119 
120 void v7_cpu_resume(void);
121 
122 void imx6_pm_ccm_init(const char *ccm_compat);
123 void imx6q_pm_init(void);
124 void imx6dl_pm_init(void);
125 void imx6sl_pm_init(void);
126 void imx6sx_pm_init(void);
127 void imx6ul_pm_init(void);
128 void imx7ulp_pm_init(void);
129 
130 #ifdef CONFIG_PM
131 void imx51_pm_init(void);
132 void imx53_pm_init(void);
133 #else
134 static inline void imx51_pm_init(void) {}
135 static inline void imx53_pm_init(void) {}
136 #endif
137 
138 #ifdef CONFIG_NEON
139 int mx51_neon_fixup(void);
140 #else
141 static inline int mx51_neon_fixup(void) { return 0; }
142 #endif
143 
144 #ifdef CONFIG_CACHE_L2X0
145 void imx_init_l2cache(void);
146 #else
147 static inline void imx_init_l2cache(void) {}
148 #endif
149 
150 extern const struct smp_operations imx_smp_ops;
151 extern const struct smp_operations ls1021a_smp_ops;
152 
153 #endif
154