[mirror_ubuntu-focal-kernel.git] / arch / arm / mach-exynos / common.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Common Header for EXYNOS machines
 */

#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
#define __ARCH_ARM_MACH_EXYNOS_COMMON_H

#include <linux/platform_data/cpuidle-exynos.h>

#define EXYNOS3250_SOC_ID	0xE3472000
#define EXYNOS3_SOC_MASK	0xFFFFF000

#define EXYNOS4210_CPU_ID	0x43210000
#define EXYNOS4412_CPU_ID	0xE4412200
#define EXYNOS4_CPU_MASK	0xFFFE0000

#define EXYNOS5250_SOC_ID	0x43520000
#define EXYNOS5410_SOC_ID	0xE5410000
#define EXYNOS5420_SOC_ID	0xE5420000
#define EXYNOS5800_SOC_ID	0xE5422000
#define EXYNOS5_SOC_MASK	0xFFFFF000

extern unsigned long samsung_cpu_id;

#define IS_SAMSUNG_CPU(name, id, mask)		\
static inline int is_samsung_##name(void)	\
{						\
	return ((samsung_cpu_id & mask) == (id & mask));	\
}

IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)

#if defined(CONFIG_SOC_EXYNOS3250)
# define soc_is_exynos3250()	is_samsung_exynos3250()
#else
# define soc_is_exynos3250()	0
#endif

#if defined(CONFIG_CPU_EXYNOS4210)
# define soc_is_exynos4210()	is_samsung_exynos4210()
#else
# define soc_is_exynos4210()	0
#endif

#if defined(CONFIG_SOC_EXYNOS4412)
# define soc_is_exynos4412()	is_samsung_exynos4412()
#else
# define soc_is_exynos4412()	0
#endif

#define EXYNOS4210_REV_0	(0x0)
#define EXYNOS4210_REV_1_0	(0x10)
#define EXYNOS4210_REV_1_1	(0x11)

#if defined(CONFIG_SOC_EXYNOS5250)
# define soc_is_exynos5250()	is_samsung_exynos5250()
#else
# define soc_is_exynos5250()	0
#endif

#if defined(CONFIG_SOC_EXYNOS5410)
# define soc_is_exynos5410()	is_samsung_exynos5410()
#else
# define soc_is_exynos5410()	0
#endif

#if defined(CONFIG_SOC_EXYNOS5420)
# define soc_is_exynos5420()	is_samsung_exynos5420()
#else
# define soc_is_exynos5420()	0
#endif

#if defined(CONFIG_SOC_EXYNOS5800)
# define soc_is_exynos5800()	is_samsung_exynos5800()
#else
# define soc_is_exynos5800()	0
#endif

extern u32 cp15_save_diag;
extern u32 cp15_save_power;

extern void __iomem *sysram_ns_base_addr;
extern void __iomem *sysram_base_addr;
extern void __iomem *pmu_base_addr;
void exynos_sysram_init(void);

enum {
	FW_DO_IDLE_SLEEP,
	FW_DO_IDLE_AFTR,
};

void exynos_firmware_init(void);

/* CPU BOOT mode flag for Exynos3250 SoC bootloader */
#define C2_STATE	(1 << 3)
/*
 * Magic values for bootloader indicating chosen low power mode.
 * See also Documentation/arm/Samsung/Bootloader-interface.txt
 */
#define EXYNOS_SLEEP_MAGIC	0x00000bad
#define EXYNOS_AFTR_MAGIC	0xfcba0d10

bool __init exynos_secure_firmware_available(void);
void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);

extern u32 exynos_get_eint_wake_mask(void);

#ifdef CONFIG_PM_SLEEP
extern void __init exynos_pm_init(void);
#else
static inline void exynos_pm_init(void) {}
#endif

extern void exynos_cpu_resume(void);
extern void exynos_cpu_resume_ns(void);

extern const struct smp_operations exynos_smp_ops;

extern void exynos_cpu_power_down(int cpu);
extern void exynos_cpu_power_up(int cpu);
extern int  exynos_cpu_power_state(int cpu);
extern void exynos_cluster_power_down(int cluster);
extern void exynos_cluster_power_up(int cluster);
extern int  exynos_cluster_power_state(int cluster);
extern void exynos_cpu_save_register(void);
extern void exynos_cpu_restore_register(void);
extern void exynos_pm_central_suspend(void);
extern int exynos_pm_central_resume(void);
extern void exynos_enter_aftr(void);
#ifdef CONFIG_SMP
extern void exynos_scu_enable(void);
#else
static inline void exynos_scu_enable(void) { }
#endif

extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;

extern void exynos_set_delayed_reset_assertion(bool enable);

extern unsigned int samsung_rev(void);
extern void exynos_core_restart(u32 core_id);
extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);

static inline void pmu_raw_writel(u32 val, u32 offset)
{
	writel_relaxed(val, pmu_base_addr + offset);
}

static inline u32 pmu_raw_readl(u32 offset)
{
	return readl_relaxed(pmu_base_addr + offset);
}

#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
Commit	Line	Data
347863d4	1	/* SPDX-License-Identifier: GPL-2.0 */
cc511b8d KK	2	/*
	3	* Copyright (c) 2011 Samsung Electronics Co., Ltd.
	4	* http://www.samsung.com
	5	*
	6	* Common Header for EXYNOS machines
cc511b8d KK	7	*/
	8
	9	#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
	10	#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
	11
712eddf7	12	#include <linux/platform_data/cpuidle-exynos.h>
6e6aac75	13
940bc58d CC	14	#define EXYNOS3250_SOC_ID 0xE3472000
	15	#define EXYNOS3_SOC_MASK 0xFFFFF000
	16
7cb2ded1	17	#define EXYNOS4210_CPU_ID 0x43210000
7cb2ded1 SK	18	#define EXYNOS4412_CPU_ID 0xE4412200
	19	#define EXYNOS4_CPU_MASK 0xFFFE0000
	20
	21	#define EXYNOS5250_SOC_ID 0x43520000
723c9c7e	22	#define EXYNOS5410_SOC_ID 0xE5410000
7cb2ded1	23	#define EXYNOS5420_SOC_ID 0xE5420000
86c6f148	24	#define EXYNOS5800_SOC_ID 0xE5422000
7cb2ded1 SK	25	#define EXYNOS5_SOC_MASK 0xFFFFF000
	26
	27	extern unsigned long samsung_cpu_id;
	28
	29	#define IS_SAMSUNG_CPU(name, id, mask) \
	30	static inline int is_samsung_##name(void) \
	31	{ \
	32	return ((samsung_cpu_id & mask) == (id & mask)); \
	33	}
	34
940bc58d	35	IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
7cb2ded1	36	IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
7cb2ded1 SK	37	IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
7cb2ded1 SK	38	IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
723c9c7e	39	IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
7cb2ded1	40	IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
86c6f148	41	IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
7cb2ded1	42
940bc58d CC	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
7cb2ded1 SK	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
7cb2ded1 SK	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
723c9c7e TD	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
7cb2ded1 SK	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
86c6f148 AK	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
2b9d9c32 TF	89	extern u32 cp15_save_diag;
	90	extern u32 cp15_save_power;
	91
b3205dea	92	extern void __iomem *sysram_ns_base_addr;
cd245f59	93	extern void __iomem *sysram_base_addr;
fce9e5bb	94	extern void __iomem *pmu_base_addr;
1754c42e	95	void exynos_sysram_init(void);
bb13fabc	96
0b7778a8 BZ	97	enum {
	98	FW_DO_IDLE_SLEEP,
	99	FW_DO_IDLE_AFTR,
	100	};
	101
bca28f8f TF	102	void exynos_firmware_init(void);
bca28f8f TF	103
dc1b9448 BZ	104	/* CPU BOOT mode flag for Exynos3250 SoC bootloader */
dc1b9448 BZ	105	#define C2_STATE (1 << 3)
054e6aa1 KK	106	/*
	107	* Magic values for bootloader indicating chosen low power mode.
	108	* See also Documentation/arm/Samsung/Bootloader-interface.txt
	109	*/
	110	#define EXYNOS_SLEEP_MAGIC 0x00000bad
	111	#define EXYNOS_AFTR_MAGIC 0xfcba0d10
dc1b9448	112
e0b35c1a	113	bool __init exynos_secure_firmware_available(void);
dc1b9448 BZ	114	void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
	115	void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
	116
d710aa31	117	extern u32 exynos_get_eint_wake_mask(void);
d710aa31	118
559ba237 TF	119	#ifdef CONFIG_PM_SLEEP
	120	extern void __init exynos_pm_init(void);
	121	#else
	122	static inline void exynos_pm_init(void) {}
	123	#endif
	124
d710aa31	125	extern void exynos_cpu_resume(void);
2b9d9c32	126	extern void exynos_cpu_resume_ns(void);
d710aa31	127
75305275	128	extern const struct smp_operations exynos_smp_ops;
06853ae4	129
d3af6976 LKA	130	extern void exynos_cpu_power_down(int cpu);
	131	extern void exynos_cpu_power_up(int cpu);
	132	extern int exynos_cpu_power_state(int cpu);
096d21c6 AK	133	extern void exynos_cluster_power_down(int cluster);
	134	extern void exynos_cluster_power_up(int cluster);
	135	extern int exynos_cluster_power_state(int cluster);
0d713cf1 BZ	136	extern void exynos_cpu_save_register(void);
	137	extern void exynos_cpu_restore_register(void);
	138	extern void exynos_pm_central_suspend(void);
	139	extern int exynos_pm_central_resume(void);
3681bafe	140	extern void exynos_enter_aftr(void);
3c33710b PD	141	#ifdef CONFIG_SMP
	142	extern void exynos_scu_enable(void);
	143	#else
	144	static inline void exynos_scu_enable(void) { }
	145	#endif
ccd458c1	146
712eddf7 BZ	147	extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
712eddf7 BZ	148
6f024978 KK	149	extern void exynos_set_delayed_reset_assertion(bool enable);
6f024978 KK	150
7cb2ded1	151	extern unsigned int samsung_rev(void);
af997114 BZ	152	extern void exynos_core_restart(u32 core_id);
	153	extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
	154	extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
7cb2ded1	155
2e94ac42 PD	156	static inline void pmu_raw_writel(u32 val, u32 offset)
2e94ac42 PD	157	{
d0ceee0b	158	writel_relaxed(val, pmu_base_addr + offset);
2e94ac42 PD	159	}
	160
	161	static inline u32 pmu_raw_readl(u32 offset)
	162	{
d0ceee0b	163	return readl_relaxed(pmu_base_addr + offset);
2e94ac42 PD	164	}
2e94ac42 PD	165
cc511b8d	166	#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */