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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/reboot.h>
16#include <linux/of.h>
17
18void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
19
20struct map_desc;
21void exynos_init_io(void);
22void exynos_restart(enum reboot_mode mode, const char *cmd);
23void exynos_cpuidle_init(void);
24void exynos_cpufreq_init(void);
25void exynos_init_late(void);
26
27void exynos_firmware_init(void);
28
29#ifdef CONFIG_PINCTRL_EXYNOS
30extern u32 exynos_get_eint_wake_mask(void);
31#else
32static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
33#endif
34
35#ifdef CONFIG_PM_SLEEP
36extern void __init exynos_pm_init(void);
37#else
38static inline void exynos_pm_init(void) {}
39#endif
40
41extern void exynos_cpu_resume(void);
42
43extern struct smp_operations exynos_smp_ops;
44
45extern void exynos_cpu_die(unsigned int cpu);
46
47/* PMU(Power Management Unit) support */
48
49#define PMU_TABLE_END NULL
50
51enum sys_powerdown {
52 SYS_AFTR,
53 SYS_LPA,
54 SYS_SLEEP,
55 NUM_SYS_POWERDOWN,
56};
57
58extern unsigned long l2x0_regs_phys;
59struct exynos_pmu_conf {
60 void __iomem *reg;
61 unsigned int val[NUM_SYS_POWERDOWN];
62};
63
64extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
65
66#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
6 * Common Header for EXYNOS machines
7 */
8
9#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
10#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
11
12#include <linux/platform_data/cpuidle-exynos.h>
13
14#define EXYNOS3250_SOC_ID 0xE3472000
15#define EXYNOS3_SOC_MASK 0xFFFFF000
16
17#define EXYNOS4210_CPU_ID 0x43210000
18#define EXYNOS4412_CPU_ID 0xE4412200
19#define EXYNOS4_CPU_MASK 0xFFFE0000
20
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
26
27extern unsigned long samsung_cpu_id;
28
29#define IS_SAMSUNG_CPU(name, id, mask) \
30static inline int is_samsung_##name(void) \
31{ \
32 return ((samsung_cpu_id & mask) == (id & mask)); \
33}
34
35IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
36IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
37IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
38IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
39IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
40IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
41IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
42
43#if defined(CONFIG_SOC_EXYNOS3250)
44# define soc_is_exynos3250() is_samsung_exynos3250()
45#else
46# define soc_is_exynos3250() 0
47#endif
48
49#if defined(CONFIG_CPU_EXYNOS4210)
50# define soc_is_exynos4210() is_samsung_exynos4210()
51#else
52# define soc_is_exynos4210() 0
53#endif
54
55#if defined(CONFIG_SOC_EXYNOS4412)
56# define soc_is_exynos4412() is_samsung_exynos4412()
57#else
58# define soc_is_exynos4412() 0
59#endif
60
61#define EXYNOS4210_REV_0 (0x0)
62#define EXYNOS4210_REV_1_0 (0x10)
63#define EXYNOS4210_REV_1_1 (0x11)
64
65#if defined(CONFIG_SOC_EXYNOS5250)
66# define soc_is_exynos5250() is_samsung_exynos5250()
67#else
68# define soc_is_exynos5250() 0
69#endif
70
71#if defined(CONFIG_SOC_EXYNOS5410)
72# define soc_is_exynos5410() is_samsung_exynos5410()
73#else
74# define soc_is_exynos5410() 0
75#endif
76
77#if defined(CONFIG_SOC_EXYNOS5420)
78# define soc_is_exynos5420() is_samsung_exynos5420()
79#else
80# define soc_is_exynos5420() 0
81#endif
82
83#if defined(CONFIG_SOC_EXYNOS5800)
84# define soc_is_exynos5800() is_samsung_exynos5800()
85#else
86# define soc_is_exynos5800() 0
87#endif
88
89extern u32 cp15_save_diag;
90extern u32 cp15_save_power;
91
92extern void __iomem *sysram_ns_base_addr;
93extern void __iomem *sysram_base_addr;
94extern phys_addr_t sysram_base_phys;
95extern void __iomem *pmu_base_addr;
96void exynos_sysram_init(void);
97
98enum {
99 FW_DO_IDLE_SLEEP,
100 FW_DO_IDLE_AFTR,
101};
102
103void exynos_firmware_init(void);
104
105/* CPU BOOT mode flag for Exynos3250 SoC bootloader */
106#define C2_STATE (1 << 3)
107/*
108 * Magic values for bootloader indicating chosen low power mode.
109 * See also Documentation/arm/samsung/bootloader-interface.rst
110 */
111#define EXYNOS_SLEEP_MAGIC 0x00000bad
112#define EXYNOS_AFTR_MAGIC 0xfcba0d10
113
114bool __init exynos_secure_firmware_available(void);
115void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
116void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
117
118#ifdef CONFIG_PM_SLEEP
119extern void __init exynos_pm_init(void);
120#else
121static inline void exynos_pm_init(void) {}
122#endif
123
124extern void exynos_cpu_resume(void);
125extern void exynos_cpu_resume_ns(void);
126
127extern const struct smp_operations exynos_smp_ops;
128
129extern void exynos_cpu_power_down(int cpu);
130extern void exynos_cpu_power_up(int cpu);
131extern int exynos_cpu_power_state(int cpu);
132extern void exynos_cluster_power_down(int cluster);
133extern void exynos_cluster_power_up(int cluster);
134extern int exynos_cluster_power_state(int cluster);
135extern void exynos_cpu_save_register(void);
136extern void exynos_cpu_restore_register(void);
137extern void exynos_pm_central_suspend(void);
138extern int exynos_pm_central_resume(void);
139extern void exynos_enter_aftr(void);
140#ifdef CONFIG_SMP
141extern void exynos_scu_enable(void);
142#else
143static inline void exynos_scu_enable(void) { }
144#endif
145
146extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
147
148extern void exynos_set_delayed_reset_assertion(bool enable);
149
150extern unsigned int samsung_rev(void);
151extern void exynos_core_restart(u32 core_id);
152extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
153extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
154
155static inline void pmu_raw_writel(u32 val, u32 offset)
156{
157 writel_relaxed(val, pmu_base_addr + offset);
158}
159
160static inline u32 pmu_raw_readl(u32 offset)
161{
162 return readl_relaxed(pmu_base_addr + offset);
163}
164
165#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */