1 files changed, 86 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..22b56351284
--- /dev/null
+++ b/arch/arm/mach-ux500/include/mach/context.h
@@ -0,0 +1,86 @@
+/*
+ * 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);
+
+#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