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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-exynos/common.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * Copyright (c) 2011 Samsung Electronics Co., Ltd.

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 *		http://www.samsung.com

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 *

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 * Common Header for Exynos machines

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 */

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#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H

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#define __ARCH_ARM_MACH_EXYNOS_COMMON_H

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

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#define EXYNOS3250_SOC_ID	0xE3472000

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#define EXYNOS3_SOC_MASK	0xFFFFF000

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#define EXYNOS4210_CPU_ID	0x43210000

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#define EXYNOS4212_CPU_ID	0x43220000

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#define EXYNOS4412_CPU_ID	0xE4412200

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#define EXYNOS4_CPU_MASK	0xFFFE0000

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#define EXYNOS5250_SOC_ID	0x43520000

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#define EXYNOS5410_SOC_ID	0xE5410000

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#define EXYNOS5420_SOC_ID	0xE5420000

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#define EXYNOS5800_SOC_ID	0xE5422000

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#define EXYNOS5_SOC_MASK	0xFFFFF000

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extern unsigned long exynos_cpu_id;

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#define IS_SAMSUNG_CPU(name, id, mask)		\

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static inline int is_samsung_##name(void)	\

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{						\

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	return ((exynos_cpu_id & mask) == (id & mask));	\

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}

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IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)

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IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)

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IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)

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IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)

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IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)

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IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)

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IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)

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IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)

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#if defined(CONFIG_SOC_EXYNOS3250)

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# define soc_is_exynos3250()	is_samsung_exynos3250()

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#else

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# define soc_is_exynos3250()	0

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#endif

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#if defined(CONFIG_CPU_EXYNOS4210)

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# define soc_is_exynos4210()	is_samsung_exynos4210()

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#else

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# define soc_is_exynos4210()	0

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#endif

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#if defined(CONFIG_SOC_EXYNOS4212)

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# define soc_is_exynos4212()	is_samsung_exynos4212()

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#else

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# define soc_is_exynos4212()	0

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#endif

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#if defined(CONFIG_SOC_EXYNOS4412)

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# define soc_is_exynos4412()	is_samsung_exynos4412()

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#else

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# define soc_is_exynos4412()	0

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#endif

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#define EXYNOS4210_REV_0	(0x0)

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#define EXYNOS4210_REV_1_0	(0x10)

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#define EXYNOS4210_REV_1_1	(0x11)

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#if defined(CONFIG_SOC_EXYNOS5250)

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# define soc_is_exynos5250()	is_samsung_exynos5250()

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#else

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# define soc_is_exynos5250()	0

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#endif

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#if defined(CONFIG_SOC_EXYNOS5410)

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# define soc_is_exynos5410()	is_samsung_exynos5410()

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#else

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# define soc_is_exynos5410()	0

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#endif

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#if defined(CONFIG_SOC_EXYNOS5420)

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# define soc_is_exynos5420()	is_samsung_exynos5420()

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#else

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# define soc_is_exynos5420()	0

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#endif

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#if defined(CONFIG_SOC_EXYNOS5800)

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# define soc_is_exynos5800()	is_samsung_exynos5800()

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#else

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# define soc_is_exynos5800()	0

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#endif

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extern u32 cp15_save_diag;

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extern u32 cp15_save_power;

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extern void __iomem *sysram_ns_base_addr;

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extern void __iomem *sysram_base_addr;

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extern phys_addr_t sysram_base_phys;

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extern void __iomem *pmu_base_addr;

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void exynos_sysram_init(void);

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enum {

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	FW_DO_IDLE_SLEEP,

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	FW_DO_IDLE_AFTR,

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};

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void exynos_firmware_init(void);

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/* CPU BOOT mode flag for Exynos3250 SoC bootloader */

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#define C2_STATE	(1 << 3)

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/*

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 * Magic values for bootloader indicating chosen low power mode.

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 * See also Documentation/arch/arm/samsung/bootloader-interface.rst

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 */

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#define EXYNOS_SLEEP_MAGIC	0x00000bad

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#define EXYNOS_AFTR_MAGIC	0xfcba0d10

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bool __init exynos_secure_firmware_available(void);

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void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);

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void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);

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#ifdef CONFIG_PM_SLEEP

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extern void __init exynos_pm_init(void);

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#else

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static inline void exynos_pm_init(void) {}

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#endif

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extern void exynos_cpu_resume(void);

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extern void exynos_cpu_resume_ns(void);

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extern const struct smp_operations exynos_smp_ops;

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extern void exynos_cpu_power_down(int cpu);

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extern void exynos_cpu_power_up(int cpu);

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extern int  exynos_cpu_power_state(int cpu);

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extern void exynos_cluster_power_down(int cluster);

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extern void exynos_cluster_power_up(int cluster);

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extern int  exynos_cluster_power_state(int cluster);

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extern void exynos_cpu_save_register(void);

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extern void exynos_cpu_restore_register(void);

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extern void exynos_pm_central_suspend(void);

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extern int exynos_pm_central_resume(void);

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extern void exynos_enter_aftr(void);

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#ifdef CONFIG_SMP

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extern void exynos_scu_enable(void);

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#else

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static inline void exynos_scu_enable(void) { }

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#endif

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extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;

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extern void exynos_set_delayed_reset_assertion(bool enable);

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extern unsigned int exynos_rev(void);

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extern void exynos_core_restart(u32 core_id);

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extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);

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extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);

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static inline void pmu_raw_writel(u32 val, u32 offset)

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{

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	writel_relaxed(val, pmu_base_addr + offset);

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}

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static inline u32 pmu_raw_readl(u32 offset)

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{

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	return readl_relaxed(pmu_base_addr + offset);

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}

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#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */

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