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 #include <linux/platform_data/cpuidle-exynos.h>
17
18 #define EXYNOS3250_SOC_ID 0xE3472000
19 #define EXYNOS3_SOC_MASK 0xFFFFF000
20
21 #define EXYNOS4210_CPU_ID 0x43210000
22 #define EXYNOS4212_CPU_ID 0x43220000
23 #define EXYNOS4412_CPU_ID 0xE4412200
24 #define EXYNOS4_CPU_MASK 0xFFFE0000
25
26 #define EXYNOS5250_SOC_ID 0x43520000
27 #define EXYNOS5410_SOC_ID 0xE5410000
28 #define EXYNOS5420_SOC_ID 0xE5420000
29 #define EXYNOS5440_SOC_ID 0xE5440000
30 #define EXYNOS5800_SOC_ID 0xE5422000
31 #define EXYNOS5_SOC_MASK 0xFFFFF000
32
33 extern unsigned long samsung_cpu_id;
34
35 #define IS_SAMSUNG_CPU(name, id, mask) \
36 static inline int is_samsung_##name(void) \
37 { \
38 return ((samsung_cpu_id & mask) == (id & mask)); \
39 }
40
41 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
42 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
43 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
44 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
45 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
46 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
47 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
48 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
49 IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
50
51 #if defined(CONFIG_SOC_EXYNOS3250)
52 # define soc_is_exynos3250() is_samsung_exynos3250()
53 #else
54 # define soc_is_exynos3250() 0
55 #endif
56
57 #if defined(CONFIG_CPU_EXYNOS4210)
58 # define soc_is_exynos4210() is_samsung_exynos4210()
59 #else
60 # define soc_is_exynos4210() 0
61 #endif
62
63 #if defined(CONFIG_SOC_EXYNOS4212)
64 # define soc_is_exynos4212() is_samsung_exynos4212()
65 #else
66 # define soc_is_exynos4212() 0
67 #endif
68
69 #if defined(CONFIG_SOC_EXYNOS4412)
70 # define soc_is_exynos4412() is_samsung_exynos4412()
71 #else
72 # define soc_is_exynos4412() 0
73 #endif
74
75 #define EXYNOS4210_REV_0 (0x0)
76 #define EXYNOS4210_REV_1_0 (0x10)
77 #define EXYNOS4210_REV_1_1 (0x11)
78
79 #if defined(CONFIG_SOC_EXYNOS5250)
80 # define soc_is_exynos5250() is_samsung_exynos5250()
81 #else
82 # define soc_is_exynos5250() 0
83 #endif
84
85 #if defined(CONFIG_SOC_EXYNOS5410)
86 # define soc_is_exynos5410() is_samsung_exynos5410()
87 #else
88 # define soc_is_exynos5410() 0
89 #endif
90
91 #if defined(CONFIG_SOC_EXYNOS5420)
92 # define soc_is_exynos5420() is_samsung_exynos5420()
93 #else
94 # define soc_is_exynos5420() 0
95 #endif
96
97 #if defined(CONFIG_SOC_EXYNOS5440)
98 # define soc_is_exynos5440() is_samsung_exynos5440()
99 #else
100 # define soc_is_exynos5440() 0
101 #endif
102
103 #if defined(CONFIG_SOC_EXYNOS5800)
104 # define soc_is_exynos5800() is_samsung_exynos5800()
105 #else
106 # define soc_is_exynos5800() 0
107 #endif
108
109 #define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
110 soc_is_exynos4412())
111 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
112 soc_is_exynos5420() || soc_is_exynos5800())
113
114 extern u32 cp15_save_diag;
115 extern u32 cp15_save_power;
116
117 extern void __iomem *sysram_ns_base_addr;
118 extern void __iomem *sysram_base_addr;
119 extern void __iomem *pmu_base_addr;
120 void exynos_sysram_init(void);
121
122 enum {
123 FW_DO_IDLE_SLEEP,
124 FW_DO_IDLE_AFTR,
125 };
126
127 void exynos_firmware_init(void);
128
129 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */
130 #define C2_STATE (1 << 3)
131 /*
132 * Magic values for bootloader indicating chosen low power mode.
133 * See also Documentation/arm/Samsung/Bootloader-interface.txt
134 */
135 #define EXYNOS_SLEEP_MAGIC 0x00000bad
136 #define EXYNOS_AFTR_MAGIC 0xfcba0d10
137
138 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
139 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
140
141 extern u32 exynos_get_eint_wake_mask(void);
142
143 #ifdef CONFIG_PM_SLEEP
144 extern void __init exynos_pm_init(void);
145 #else
exynos_pm_init(void)146 static inline void exynos_pm_init(void) {}
147 #endif
148
149 extern void exynos_cpu_resume(void);
150 extern void exynos_cpu_resume_ns(void);
151
152 extern struct smp_operations exynos_smp_ops;
153
154 extern void exynos_cpu_power_down(int cpu);
155 extern void exynos_cpu_power_up(int cpu);
156 extern int exynos_cpu_power_state(int cpu);
157 extern void exynos_cluster_power_down(int cluster);
158 extern void exynos_cluster_power_up(int cluster);
159 extern int exynos_cluster_power_state(int cluster);
160 extern void exynos_cpu_save_register(void);
161 extern void exynos_cpu_restore_register(void);
162 extern void exynos_pm_central_suspend(void);
163 extern int exynos_pm_central_resume(void);
164 extern void exynos_enter_aftr(void);
165
166 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
167
168 extern void exynos_set_delayed_reset_assertion(bool enable);
169
170 extern void s5p_init_cpu(void __iomem *cpuid_addr);
171 extern unsigned int samsung_rev(void);
172 extern void exynos_core_restart(u32 core_id);
173 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
174 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
175
pmu_raw_writel(u32 val,u32 offset)176 static inline void pmu_raw_writel(u32 val, u32 offset)
177 {
178 __raw_writel(val, pmu_base_addr + offset);
179 }
180
pmu_raw_readl(u32 offset)181 static inline u32 pmu_raw_readl(u32 offset)
182 {
183 return __raw_readl(pmu_base_addr + offset);
184 }
185
186 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
187