xref: /openbmc/linux/arch/arm/mach-exynos/common.h (revision bb9055b2)
1 /*
2  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
3  *		http://www.samsung.com
4  *
5  * Common Header for EXYNOS machines
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
13 #define __ARCH_ARM_MACH_EXYNOS_COMMON_H
14 
15 #include <linux/of.h>
16 
17 void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
18 void exynos_init_time(void);
19 extern unsigned long xxti_f, xusbxti_f;
20 
21 struct map_desc;
22 void exynos_init_io(struct map_desc *mach_desc, int size);
23 void exynos4_init_irq(void);
24 void exynos5_init_irq(void);
25 void exynos4_restart(char mode, const char *cmd);
26 void exynos5_restart(char mode, const char *cmd);
27 void exynos_init_late(void);
28 
29 /* ToDo: remove these after migrating legacy exynos4 platforms to dt */
30 void exynos4_clk_init(struct device_node *np, int is_exynos4210, void __iomem *reg_base, unsigned long xom);
31 void exynos4_clk_register_fixed_ext(unsigned long, unsigned long);
32 
33 void exynos_firmware_init(void);
34 
35 #ifdef CONFIG_PM_GENERIC_DOMAINS
36 int exynos_pm_late_initcall(void);
37 #else
38 static inline int exynos_pm_late_initcall(void) { return 0; }
39 #endif
40 
41 #ifdef CONFIG_ARCH_EXYNOS4
42 void exynos4_register_clocks(void);
43 void exynos4_setup_clocks(void);
44 
45 #else
46 #define exynos4_register_clocks()
47 #define exynos4_setup_clocks()
48 #endif
49 
50 #ifdef CONFIG_ARCH_EXYNOS5
51 void exynos5_register_clocks(void);
52 void exynos5_setup_clocks(void);
53 
54 #else
55 #define exynos5_register_clocks()
56 #define exynos5_setup_clocks()
57 #endif
58 
59 #ifdef CONFIG_CPU_EXYNOS4210
60 void exynos4210_register_clocks(void);
61 
62 #else
63 #define exynos4210_register_clocks()
64 #endif
65 
66 #ifdef CONFIG_SOC_EXYNOS4212
67 void exynos4212_register_clocks(void);
68 
69 #else
70 #define exynos4212_register_clocks()
71 #endif
72 
73 struct device_node;
74 void combiner_init(void __iomem *combiner_base, struct device_node *np,
75 			unsigned int max_nr, int irq_base);
76 
77 extern struct smp_operations exynos_smp_ops;
78 
79 extern void exynos_cpu_die(unsigned int cpu);
80 
81 /* PMU(Power Management Unit) support */
82 
83 #define PMU_TABLE_END	NULL
84 
85 enum sys_powerdown {
86 	SYS_AFTR,
87 	SYS_LPA,
88 	SYS_SLEEP,
89 	NUM_SYS_POWERDOWN,
90 };
91 
92 extern unsigned long l2x0_regs_phys;
93 struct exynos_pmu_conf {
94 	void __iomem *reg;
95 	unsigned int val[NUM_SYS_POWERDOWN];
96 };
97 
98 extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
99 extern void s3c_cpu_resume(void);
100 
101 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
102