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-rw-r--r--include/linux/vexpress.h62
1 files changed, 57 insertions, 5 deletions
diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h
index ea7168a6808..c1191ab4cb9 100644
--- a/include/linux/vexpress.h
+++ b/include/linux/vexpress.h
@@ -68,7 +68,8 @@
*/
struct vexpress_config_bridge_info {
const char *name;
- void *(*func_get)(struct device *dev, struct device_node *node);
+ void *(*func_get)(struct device *dev, struct device_node *node,
+ const char *id);
void (*func_put)(void *func);
int (*func_exec)(void *func, int offset, bool write, u32 *data);
};
@@ -87,12 +88,17 @@ void vexpress_config_complete(struct vexpress_config_bridge *bridge,
struct vexpress_config_func;
-struct vexpress_config_func *__vexpress_config_func_get(struct device *dev,
- struct device_node *node);
+struct vexpress_config_func *__vexpress_config_func_get(
+ struct vexpress_config_bridge *bridge,
+ struct device *dev,
+ struct device_node *node,
+ const char *id);
+#define vexpress_config_func_get(bridge, id) \
+ __vexpress_config_func_get(bridge, NULL, NULL, id)
#define vexpress_config_func_get_by_dev(dev) \
- __vexpress_config_func_get(dev, NULL)
+ __vexpress_config_func_get(NULL, dev, NULL, NULL)
#define vexpress_config_func_get_by_node(node) \
- __vexpress_config_func_get(NULL, node)
+ __vexpress_config_func_get(NULL, NULL, node, NULL)
void vexpress_config_func_put(struct vexpress_config_func *func);
/* Both may sleep! */
@@ -120,7 +126,53 @@ void vexpress_sysreg_of_early_init(void);
struct clk *vexpress_osc_setup(struct device *dev);
void vexpress_osc_of_setup(struct device_node *node);
+struct clk *vexpress_clk_register_spc(const char *name, int cluster_id);
+void vexpress_clk_of_register_spc(void);
+
void vexpress_clk_init(void __iomem *sp810_base);
void vexpress_clk_of_init(void);
+/* SPC */
+
+#define VEXPRESS_SPC_WAKE_INTR_IRQ(cluster, cpu) \
+ (1 << (4 * (cluster) + (cpu)))
+#define VEXPRESS_SPC_WAKE_INTR_FIQ(cluster, cpu) \
+ (1 << (7 * (cluster) + (cpu)))
+#define VEXPRESS_SPC_WAKE_INTR_SWDOG (1 << 10)
+#define VEXPRESS_SPC_WAKE_INTR_GTIMER (1 << 11)
+#define VEXPRESS_SPC_WAKE_INTR_MASK 0xFFF
+
+#ifdef CONFIG_VEXPRESS_SPC
+extern bool vexpress_spc_check_loaded(void);
+extern void vexpress_spc_set_cpu_wakeup_irq(u32 cpu, u32 cluster, bool set);
+extern void vexpress_spc_set_global_wakeup_intr(bool set);
+extern int vexpress_spc_get_freq_table(u32 cluster, u32 **fptr);
+extern int vexpress_spc_get_performance(u32 cluster, u32 *freq);
+extern int vexpress_spc_set_performance(u32 cluster, u32 freq);
+extern void vexpress_spc_write_resume_reg(u32 cluster, u32 cpu, u32 addr);
+extern int vexpress_spc_get_nb_cpus(u32 cluster);
+extern void vexpress_spc_powerdown_enable(u32 cluster, bool enable);
+#else
+static inline bool vexpress_spc_check_loaded(void) { return false; }
+static inline void vexpress_spc_set_cpu_wakeup_irq(u32 cpu, u32 cluster,
+ bool set) { }
+static inline void vexpress_spc_set_global_wakeup_intr(bool set) { }
+static inline int vexpress_spc_get_freq_table(u32 cluster, u32 **fptr)
+{
+ return -ENODEV;
+}
+static inline int vexpress_spc_get_performance(u32 cluster, u32 *freq)
+{
+ return -ENODEV;
+}
+static inline int vexpress_spc_set_performance(u32 cluster, u32 freq)
+{
+ return -ENODEV;
+}
+static inline void vexpress_spc_write_resume_reg(u32 cluster,
+ u32 cpu, u32 addr) { }
+static inline int vexpress_spc_get_nb_cpus(u32 cluster) { return -ENODEV; }
+static inline void vexpress_spc_powerdown_enable(u32 cluster, bool enable) { }
+#endif
+
#endif