diff options
Diffstat (limited to 'include/linux/vexpress.h')
| -rw-r--r-- | include/linux/vexpress.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h index 75818744ab5..63e71e28801 100644 --- a/include/linux/vexpress.h +++ b/include/linux/vexpress.h @@ -15,6 +15,7 @@ #define _LINUX_VEXPRESS_H #include <linux/device.h> +#include <linux/err.h> #define VEXPRESS_SITE_MB 0 #define VEXPRESS_SITE_DB1 1 @@ -126,4 +127,116 @@ void vexpress_osc_of_setup(struct device_node *node); 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_ARM_SPC + +extern u32 vexpress_spc_get_clusterid(int cpu_part_no); +extern u32 vexpress_spc_read_rsthold_reg(int cluster); +extern u32 vexpress_spc_read_rststat_reg(int cluster); +extern u32 vexpress_scc_read_rststat(int cluster); +extern u32 vexpress_spc_get_wake_intr(int raw); +extern int vexpress_spc_standbywfi_status(int cluster, int cpu); +extern int vexpress_spc_standbywfil2_status(int cluster); +extern int vexpress_spc_set_cpu_wakeup_irq(u32 cpu, u32 cluster, u32 set); +extern int vexpress_spc_set_global_wakeup_intr(u32 set); +extern unsigned int *vexpress_spc_get_freq_table(uint32_t cluster, int *count); +extern int vexpress_spc_get_performance(int cluster, u32 *freq); +extern int vexpress_spc_set_performance(int cluster, u32 freq); +extern int vexpress_spc_wfi_cpustat(int cluster); +extern void vexpress_spc_set_wake_intr(u32 mask); +extern void vexpress_spc_write_bxaddr_reg(int cluster, int cpu, u32 val); +extern int vexpress_spc_get_nb_cpus(int cluster); +extern void vexpress_spc_write_rsthold_reg(int cluster, u32 value); +extern void vexpress_spc_powerdown_enable(int cluster, int enable); +extern void vexpress_spc_adb400_pd_enable(int cluster, int enable); +extern void vexpress_spc_wfi_cpureset(int cluster, int cpu, int enable); +extern void vexpress_spc_wfi_cluster_reset(int cluster, int enable); +extern void vexpress_scc_ctl_snoops(int cluster, int enable); +extern bool vexpress_spc_check_loaded(void); +#else +static inline int vexpress_spc_set_cpu_wakeup_irq(u32 cpu, u32 cluster, u32 set) +{ + return 0; +} + +static inline int vexpress_spc_set_global_wakeup_intr(u32 set) +{ + return 0; +} + +static inline int vexpress_spc_standbywfi_status(int cluster, int cpu) +{ + return 0; +} + +static inline int vexpress_spc_standbywfil2_status(int cluster) +{ + return 0; +} + +static inline u32 vexpress_spc_get_clusterid(int cpu_part_no) +{ + return 0; +} + +static inline u32 vexpress_spc_read_rsthold_reg(int cluster) +{ + return 0; +} + +static inline u32 vexpress_spc_read_rststat_reg(int cluster) +{ + return 0; +} + +static inline void vexpress_spc_write_bxaddr_reg(int cluster, int cpu, u32 val) +{ +} + +static inline void vexpress_spc_write_rsthold_reg(int cluster, u32 value) +{ +} + +static inline u32 vexpress_scc_read_rststat(int cluster) +{ + return 0; +} + +static inline unsigned int *vexpress_spc_get_freq_table(uint32_t cluster, int *count) +{ + return ERR_PTR(-ENOSYS); +} + +static inline int vexpress_spc_get_performance(int cluster, u32 *freq) +{ + return -ENOSYS; +} +static inline int vexpress_spc_set_performance(int cluster, u32 freq) +{ + return -ENOSYS; +} +static inline void vexpress_spc_set_wake_intr(u32 mask) { } +static inline u32 vexpress_spc_get_wake_intr(int raw) { return 0; } +static inline void vexpress_spc_powerdown_enable(int cluster, int enable) { } +static inline void vexpress_spc_adb400_pd_enable(int cluster, int enable) { } +static inline void vexpress_spc_wfi_cpureset(int cluster, int cpu, int enable) +{ } +static inline int vexpress_spc_wfi_cpustat(int cluster) { return 0; } +static inline void vexpress_spc_wfi_cluster_reset(int cluster, int enable) { } +static inline bool vexpress_spc_check_loaded(void) +{ + return false; +} +static inline void vexpress_scc_ctl_snoops(int cluster, int enable) { } +#endif + #endif |