projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4b17244c CM |
1 | #ifndef __ASMARM_ARCH_SCU_H |
| 2 | #define __ASMARM_ARCH_SCU_H | |
| 3 | ||
| 292ec42a RK |
4 | #define SCU_PM_NORMAL 0 |
| 5 | #define SCU_PM_DORMANT 2 | |
| 6 | #define SCU_PM_POWEROFF 3 | |
| 7 | ||
| 8 | #ifndef __ASSEMBLER__ | |
| e9d6b335 HD |
9 | |
| 10 | #include <asm/cputype.h> | |
| 11 | ||
| 12 | static inline bool scu_a9_has_base(void) | |
| 13 | { | |
| af040ffc | 14 | return read_cpuid_part() == ARM_CPU_PART_CORTEX_A9; |
| e9d6b335 HD |
15 | } |
| 16 | ||
| 17 | static inline unsigned long scu_a9_get_base(void) | |
| 18 | { | |
| 19 | unsigned long pa; | |
| 20 | ||
| 21 | asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (pa)); | |
| 22 | ||
| 23 | return pa; | |
| 24 | } | |
| 25 | ||
| 2abc75a8 | 26 | #ifdef CONFIG_HAVE_ARM_SCU |
| a8cbcd92 | 27 | unsigned int scu_get_core_count(void __iomem *); |
| 292ec42a | 28 | int scu_power_mode(void __iomem *, unsigned int); |
| 2abc75a8 NM |
29 | #else |
| 30 | static inline unsigned int scu_get_core_count(void __iomem *scu_base) | |
| 31 | { | |
| 32 | return 0; | |
| 33 | } | |
| 34 | static inline int scu_power_mode(void __iomem *scu_base, unsigned int mode) | |
| 35 | { | |
| 36 | return -EINVAL; | |
| 37 | } | |
| 38 | #endif | |
| eed88123 | 39 | |
| 2abc75a8 | 40 | #if defined(CONFIG_SMP) && defined(CONFIG_HAVE_ARM_SCU) |
| eed88123 RH |
41 | void scu_enable(void __iomem *scu_base); |
| 42 | #else | |
| 43 | static inline void scu_enable(void __iomem *scu_base) {} | |
| 44 | #endif | |
| 45 | ||
| 292ec42a | 46 | #endif |
| 4b17244c CM |
47 | |
| 48 | #endif |