diff options
Diffstat (limited to 'arch/arm/mach-ux500/include/mach/context.h')
-rw-r--r-- | arch/arm/mach-ux500/include/mach/context.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/context.h b/arch/arm/mach-ux500/include/mach/context.h new file mode 100644 index 00000000000..6975a69eddc --- /dev/null +++ b/arch/arm/mach-ux500/include/mach/context.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> + * Rickard Andersson <rickard.andersson@stericsson.com> for + * ST-Ericsson. + * License terms: GNU General Public License (GPL) version 2 + * + */ +#ifndef CONTEXT_H +#define CONTEXT_H + +#include <linux/notifier.h> + +#ifdef CONFIG_UX500_CONTEXT + +/* Defines to be with + * context_ape_notifier_register + */ +#define CONTEXT_APE_SAVE 0 /* APE save */ +#define CONTEXT_APE_RESTORE 1 /* APE restore */ + +/* Defines to be with + * context_arm_notifier_register + */ +#define CONTEXT_ARM_CORE_SAVE 0 /* Called for each ARM core */ +#define CONTEXT_ARM_CORE_RESTORE 1 /* Called for each ARM core */ +#define CONTEXT_ARM_COMMON_SAVE 2 /* Called when ARM common is saved */ +#define CONTEXT_ARM_COMMON_RESTORE 3 /* Called when ARM common is restored */ + +int context_ape_notifier_register(struct notifier_block *nb); +int context_ape_notifier_unregister(struct notifier_block *nb); + +int context_arm_notifier_register(struct notifier_block *nb); +int context_arm_notifier_unregister(struct notifier_block *nb); + +void context_vape_save(void); +void context_vape_restore(void); + +void context_gpio_save(void); +void context_gpio_restore(void); +void context_gpio_restore_mux(void); +void context_gpio_mux_safe_switch(bool begin); + +void context_gic_dist_disable_unneeded_irqs(void); + +void context_varm_save_common(void); +void context_varm_restore_common(void); + +void context_varm_save_core(void); +void context_varm_restore_core(void); + +void context_save_cpu_registers(void); +void context_restore_cpu_registers(void); + +void context_save_to_sram_and_wfi(bool cleanL2cache); + +void context_clean_l1_cache_all(void); +void context_save_arm_registers(u32 **backup_stack); +void context_restore_arm_registers(u32 **backup_stack); + +void context_save_cp15_registers(u32 **backup_stack); +void context_restore_cp15_registers(u32 **backup_stack); + +void context_save_to_sram_and_wfi_internal(u32 backup_sram_storage, + bool cleanL2cache); + +/* DB specific functions in either context-db8500 or context-db5500 */ +void u8500_context_save_icn(void); +void u8500_context_restore_icn(void); +void u8500_context_init(void); + +void u5500_context_save_icn(void); +void u5500_context_restore_icn(void); +void u5500_context_init(void); + +void u9540_context_save_icn(void); +void u9540_context_restore_icn(void); +void u9540_context_init(void); +#else + +static inline void context_varm_save_core(void) {} +static inline void context_save_cpu_registers(void) {} +static inline void context_save_to_sram_and_wfi(bool cleanL2cache) {} +static inline void context_restore_cpu_registers(void) {} +static inline void context_varm_restore_core(void) {} + +#endif + +#endif |