diff options
Diffstat (limited to 'arch/riscv/include/asm/timex.h')
| -rw-r--r-- | arch/riscv/include/asm/timex.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h index a3fb85d505d4..7f659dda0032 100644 --- a/arch/riscv/include/asm/timex.h +++ b/arch/riscv/include/asm/timex.h @@ -10,6 +10,31 @@ typedef unsigned long cycles_t; +#ifdef CONFIG_RISCV_M_MODE + +#include <asm/clint.h> + +#ifdef CONFIG_64BIT +static inline cycles_t get_cycles(void) +{ + return readq_relaxed(clint_time_val); +} +#else /* !CONFIG_64BIT */ +static inline u32 get_cycles(void) +{ + return readl_relaxed(((u32 *)clint_time_val)); +} +#define get_cycles get_cycles + +static inline u32 get_cycles_hi(void) +{ + return readl_relaxed(((u32 *)clint_time_val) + 1); +} +#define get_cycles_hi get_cycles_hi +#endif /* CONFIG_64BIT */ + +#else /* CONFIG_RISCV_M_MODE */ + static inline cycles_t get_cycles(void) { return csr_read(CSR_TIME); @@ -41,6 +66,8 @@ static inline u64 get_cycles64(void) } #endif /* CONFIG_64BIT */ +#endif /* !CONFIG_RISCV_M_MODE */ + #define ARCH_HAS_READ_CURRENT_TIMER static inline int read_current_timer(unsigned long *timer_val) { |