diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/syscounter.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/include/asm/syscounter.h b/arch/arm/include/asm/syscounter.h new file mode 100644 index 0000000000..a644cfaad6 --- /dev/null +++ b/arch/arm/include/asm/syscounter.h @@ -0,0 +1,24 @@ +#ifndef _ASM_SYSCNT_H_ +#define _ASM_SYSCNT_H_ + +#include <io.h> + +#define SYSCNT_CNTCR 0x0000 +#define SYSCNT_CNTCR_EN BIT(0) +#define SYSCNT_CNTCR_HDBG BIT(1) +#define SYSCNT_CNTCR_FCREQ(n) BIT(8 + (n)) + +#define SYSCNT_CNTFID(n) (0x0020 + 4 * (n)) + +static inline void syscnt_enable(void __iomem *syscnt) +{ + writel(SYSCNT_CNTCR_EN | SYSCNT_CNTCR_HDBG | SYSCNT_CNTCR_FCREQ(0), + syscnt + SYSCNT_CNTCR); +} + +static inline u32 syscnt_get_cntfrq(void __iomem *syscnt) +{ + return readl(syscnt + SYSCNT_CNTFID(0)); +} + +#endif
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