1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * Common Header for Exynos machines
9 #ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
10 #define __ARCH_ARM_MACH_EXYNOS_COMMON_H
12 #include <linux/platform_data/cpuidle-exynos.h>
14 #define EXYNOS3250_SOC_ID 0xE3472000
15 #define EXYNOS3_SOC_MASK 0xFFFFF000
17 #define EXYNOS4210_CPU_ID 0x43210000
18 #define EXYNOS4412_CPU_ID 0xE4412200
19 #define EXYNOS4_CPU_MASK 0xFFFE0000
21 #define EXYNOS5250_SOC_ID 0x43520000
22 #define EXYNOS5410_SOC_ID 0xE5410000
23 #define EXYNOS5420_SOC_ID 0xE5420000
24 #define EXYNOS5800_SOC_ID 0xE5422000
25 #define EXYNOS5_SOC_MASK 0xFFFFF000
27 extern unsigned long samsung_cpu_id
;
29 #define IS_SAMSUNG_CPU(name, id, mask) \
30 static inline int is_samsung_##name(void) \
32 return ((samsung_cpu_id & mask) == (id & mask)); \
35 IS_SAMSUNG_CPU(exynos3250
, EXYNOS3250_SOC_ID
, EXYNOS3_SOC_MASK
)
36 IS_SAMSUNG_CPU(exynos4210
, EXYNOS4210_CPU_ID
, EXYNOS4_CPU_MASK
)
37 IS_SAMSUNG_CPU(exynos4412
, EXYNOS4412_CPU_ID
, EXYNOS4_CPU_MASK
)
38 IS_SAMSUNG_CPU(exynos5250
, EXYNOS5250_SOC_ID
, EXYNOS5_SOC_MASK
)
39 IS_SAMSUNG_CPU(exynos5410
, EXYNOS5410_SOC_ID
, EXYNOS5_SOC_MASK
)
40 IS_SAMSUNG_CPU(exynos5420
, EXYNOS5420_SOC_ID
, EXYNOS5_SOC_MASK
)
41 IS_SAMSUNG_CPU(exynos5800
, EXYNOS5800_SOC_ID
, EXYNOS5_SOC_MASK
)
43 #if defined(CONFIG_SOC_EXYNOS3250)
44 # define soc_is_exynos3250() is_samsung_exynos3250()
46 # define soc_is_exynos3250() 0
49 #if defined(CONFIG_CPU_EXYNOS4210)
50 # define soc_is_exynos4210() is_samsung_exynos4210()
52 # define soc_is_exynos4210() 0
55 #if defined(CONFIG_SOC_EXYNOS4412)
56 # define soc_is_exynos4412() is_samsung_exynos4412()
58 # define soc_is_exynos4412() 0
61 #define EXYNOS4210_REV_0 (0x0)
62 #define EXYNOS4210_REV_1_0 (0x10)
63 #define EXYNOS4210_REV_1_1 (0x11)
65 #if defined(CONFIG_SOC_EXYNOS5250)
66 # define soc_is_exynos5250() is_samsung_exynos5250()
68 # define soc_is_exynos5250() 0
71 #if defined(CONFIG_SOC_EXYNOS5410)
72 # define soc_is_exynos5410() is_samsung_exynos5410()
74 # define soc_is_exynos5410() 0
77 #if defined(CONFIG_SOC_EXYNOS5420)
78 # define soc_is_exynos5420() is_samsung_exynos5420()
80 # define soc_is_exynos5420() 0
83 #if defined(CONFIG_SOC_EXYNOS5800)
84 # define soc_is_exynos5800() is_samsung_exynos5800()
86 # define soc_is_exynos5800() 0
89 extern u32 cp15_save_diag
;
90 extern u32 cp15_save_power
;
92 extern void __iomem
*sysram_ns_base_addr
;
93 extern void __iomem
*sysram_base_addr
;
94 extern phys_addr_t sysram_base_phys
;
95 extern void __iomem
*pmu_base_addr
;
96 void exynos_sysram_init(void);
103 void exynos_firmware_init(void);
105 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */
106 #define C2_STATE (1 << 3)
108 * Magic values for bootloader indicating chosen low power mode.
109 * See also Documentation/arm/samsung/bootloader-interface.rst
111 #define EXYNOS_SLEEP_MAGIC 0x00000bad
112 #define EXYNOS_AFTR_MAGIC 0xfcba0d10
114 bool __init
exynos_secure_firmware_available(void);
115 void exynos_set_boot_flag(unsigned int cpu
, unsigned int mode
);
116 void exynos_clear_boot_flag(unsigned int cpu
, unsigned int mode
);
118 #ifdef CONFIG_PM_SLEEP
119 extern void __init
exynos_pm_init(void);
121 static inline void exynos_pm_init(void) {}
124 extern void exynos_cpu_resume(void);
125 extern void exynos_cpu_resume_ns(void);
127 extern const struct smp_operations exynos_smp_ops
;
129 extern void exynos_cpu_power_down(int cpu
);
130 extern void exynos_cpu_power_up(int cpu
);
131 extern int exynos_cpu_power_state(int cpu
);
132 extern void exynos_cluster_power_down(int cluster
);
133 extern void exynos_cluster_power_up(int cluster
);
134 extern int exynos_cluster_power_state(int cluster
);
135 extern void exynos_cpu_save_register(void);
136 extern void exynos_cpu_restore_register(void);
137 extern void exynos_pm_central_suspend(void);
138 extern int exynos_pm_central_resume(void);
139 extern void exynos_enter_aftr(void);
141 extern void exynos_scu_enable(void);
143 static inline void exynos_scu_enable(void) { }
146 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data
;
148 extern void exynos_set_delayed_reset_assertion(bool enable
);
150 extern unsigned int samsung_rev(void);
151 extern void exynos_core_restart(u32 core_id
);
152 extern int exynos_set_boot_addr(u32 core_id
, unsigned long boot_addr
);
153 extern int exynos_get_boot_addr(u32 core_id
, unsigned long *boot_addr
);
155 static inline void pmu_raw_writel(u32 val
, u32 offset
)
157 writel_relaxed(val
, pmu_base_addr
+ offset
);
160 static inline u32
pmu_raw_readl(u32 offset
)
162 return readl_relaxed(pmu_base_addr
+ offset
);
165 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */