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Diffstat (limited to 'arch/arm/mach-exynos/common.h')
| -rw-r--r-- | arch/arm/mach-exynos/common.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h new file mode 100644 index 000000000..29eb075b2 --- /dev/null +++ b/arch/arm/mach-exynos/common.h @@ -0,0 +1,165 @@ +/* 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 exynos_cpu_id; + +#define IS_SAMSUNG_CPU(name, id, mask) \ +static inline int is_samsung_##name(void) \ +{ \ + return ((exynos_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 phys_addr_t sysram_base_phys; +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.rst + */ +#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); + +#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 exynos_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 */ |