2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
5 * Common Header for EXYNOS machines
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.
12 #ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
13 #define __ARCH_ARM_MACH_EXYNOS_COMMON_H
15 #include <linux/platform_data/cpuidle-exynos.h>
17 #define EXYNOS3250_SOC_ID 0xE3472000
18 #define EXYNOS3_SOC_MASK 0xFFFFF000
20 #define EXYNOS4210_CPU_ID 0x43210000
21 #define EXYNOS4412_CPU_ID 0xE4412200
22 #define EXYNOS4_CPU_MASK 0xFFFE0000
24 #define EXYNOS5250_SOC_ID 0x43520000
25 #define EXYNOS5410_SOC_ID 0xE5410000
26 #define EXYNOS5420_SOC_ID 0xE5420000
27 #define EXYNOS5440_SOC_ID 0xE5440000
28 #define EXYNOS5800_SOC_ID 0xE5422000
29 #define EXYNOS5_SOC_MASK 0xFFFFF000
31 extern unsigned long samsung_cpu_id;
33 #define IS_SAMSUNG_CPU(name, id, mask) \
34 static inline int is_samsung_##name(void) \
36 return ((samsung_cpu_id & mask) == (id & mask)); \
39 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
40 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
41 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
42 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
43 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
44 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
45 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
46 IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
48 #if defined(CONFIG_SOC_EXYNOS3250)
49 # define soc_is_exynos3250() is_samsung_exynos3250()
51 # define soc_is_exynos3250() 0
54 #if defined(CONFIG_CPU_EXYNOS4210)
55 # define soc_is_exynos4210() is_samsung_exynos4210()
57 # define soc_is_exynos4210() 0
60 #if defined(CONFIG_SOC_EXYNOS4412)
61 # define soc_is_exynos4412() is_samsung_exynos4412()
63 # define soc_is_exynos4412() 0
66 #define EXYNOS4210_REV_0 (0x0)
67 #define EXYNOS4210_REV_1_0 (0x10)
68 #define EXYNOS4210_REV_1_1 (0x11)
70 #if defined(CONFIG_SOC_EXYNOS5250)
71 # define soc_is_exynos5250() is_samsung_exynos5250()
73 # define soc_is_exynos5250() 0
76 #if defined(CONFIG_SOC_EXYNOS5410)
77 # define soc_is_exynos5410() is_samsung_exynos5410()
79 # define soc_is_exynos5410() 0
82 #if defined(CONFIG_SOC_EXYNOS5420)
83 # define soc_is_exynos5420() is_samsung_exynos5420()
85 # define soc_is_exynos5420() 0
88 #if defined(CONFIG_SOC_EXYNOS5440)
89 # define soc_is_exynos5440() is_samsung_exynos5440()
91 # define soc_is_exynos5440() 0
94 #if defined(CONFIG_SOC_EXYNOS5800)
95 # define soc_is_exynos5800() is_samsung_exynos5800()
97 # define soc_is_exynos5800() 0
100 #define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4412())
101 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
102 soc_is_exynos5420() || soc_is_exynos5800())
104 extern u32 cp15_save_diag;
105 extern u32 cp15_save_power;
107 extern void __iomem *sysram_ns_base_addr;
108 extern void __iomem *sysram_base_addr;
109 extern void __iomem *pmu_base_addr;
110 void exynos_sysram_init(void);
117 void exynos_firmware_init(void);
119 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */
120 #define C2_STATE (1 << 3)
122 * Magic values for bootloader indicating chosen low power mode.
123 * See also Documentation/arm/Samsung/Bootloader-interface.txt
125 #define EXYNOS_SLEEP_MAGIC 0x00000bad
126 #define EXYNOS_AFTR_MAGIC 0xfcba0d10
128 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
129 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
131 extern u32 exynos_get_eint_wake_mask(void);
133 #ifdef CONFIG_PM_SLEEP
134 extern void __init exynos_pm_init(void);
136 static inline void exynos_pm_init(void) {}
139 extern void exynos_cpu_resume(void);
140 extern void exynos_cpu_resume_ns(void);
142 extern const struct smp_operations exynos_smp_ops;
144 extern void exynos_cpu_power_down(int cpu);
145 extern void exynos_cpu_power_up(int cpu);
146 extern int exynos_cpu_power_state(int cpu);
147 extern void exynos_cluster_power_down(int cluster);
148 extern void exynos_cluster_power_up(int cluster);
149 extern int exynos_cluster_power_state(int cluster);
150 extern void exynos_cpu_save_register(void);
151 extern void exynos_cpu_restore_register(void);
152 extern void exynos_pm_central_suspend(void);
153 extern int exynos_pm_central_resume(void);
154 extern void exynos_enter_aftr(void);
156 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
158 extern void exynos_set_delayed_reset_assertion(bool enable);
160 extern unsigned int samsung_rev(void);
161 extern void exynos_core_restart(u32 core_id);
162 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
163 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
165 static inline void pmu_raw_writel(u32 val, u32 offset)
167 writel_relaxed(val, pmu_base_addr + offset);
170 static inline u32 pmu_raw_readl(u32 offset)
172 return readl_relaxed(pmu_base_addr + offset);
175 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */