diff options
Diffstat (limited to 'src/arch/arm64/include')
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/cpu.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/arch/arm64/include/armv8/arch/cpu.h b/src/arch/arm64/include/armv8/arch/cpu.h index 14635e39c0..4e15209be0 100644 --- a/src/arch/arm64/include/armv8/arch/cpu.h +++ b/src/arch/arm64/include/armv8/arch/cpu.h @@ -187,4 +187,18 @@ void arm64_cpu_startup_resume(void); */ void arm64_arch_timer_init(void); +/* + * The cortex_a57_cpu_power_down sequence as per A57/A53/A72 TRM. + * L2 flush by HW(0) or SW(1), if system/HW driven L2 flush is supported. + */ +#define NO_L2_FLUSH 0 +#define L2_FLUSH_HW 0 +#define L2_FLUSH_SW 1 + +#if IS_ENABLED(CONFIG_ARCH_ARM64_CORTEX_A57_POWER_DOWN_SUPPORT) +void cortex_a57_cpu_power_down(int l2_flush); +#else +static inline void cortex_a57_cpu_power_down(int l2_flush) {} +#endif + #endif /* __ARCH_CPU_H__ */ |