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| author | Paul Walmsley <paul.walmsley@sifive.com> | 2019-11-22 18:59:09 -0800 |
|---|---|---|
| committer | Paul Walmsley <paul.walmsley@sifive.com> | 2019-11-22 18:59:09 -0800 |
| commit | 5ba9aa56e6d3e8fddb954c2f818d1ce0525235bb (patch) | |
| tree | b9f61d0544ed06b7f07000a11797711cdd97d83f /arch/riscv/include/asm/timex.h | |
| parent | 4a979862dde46b738316014ca4995eae2f428413 (diff) | |
| parent | 405fe7aa0dbaa6cb8cfe62771eee67076d30aca1 (diff) | |
| download | talos-op-linux-5ba9aa56e6d3e8fddb954c2f818d1ce0525235bb.tar.gz talos-op-linux-5ba9aa56e6d3e8fddb954c2f818d1ce0525235bb.zip | |
Merge branch 'next/nommu' into for-next
Conflicts:
arch/riscv/boot/Makefile
arch/riscv/include/asm/sbi.h
Diffstat (limited to 'arch/riscv/include/asm/timex.h')
| -rw-r--r-- | arch/riscv/include/asm/timex.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h index c7ef131b9e4c..bad2a7c2cda5 100644 --- a/arch/riscv/include/asm/timex.h +++ b/arch/riscv/include/asm/timex.h @@ -7,12 +7,25 @@ #define _ASM_RISCV_TIMEX_H #include <asm/csr.h> +#include <asm/mmio.h> typedef unsigned long cycles_t; +extern u64 __iomem *riscv_time_val; +extern u64 __iomem *riscv_time_cmp; + +#ifdef CONFIG_64BIT +#define mmio_get_cycles() readq_relaxed(riscv_time_val) +#else +#define mmio_get_cycles() readl_relaxed(riscv_time_val) +#define mmio_get_cycles_hi() readl_relaxed(((u32 *)riscv_time_val) + 1) +#endif + static inline cycles_t get_cycles(void) { - return csr_read(CSR_TIME); + if (IS_ENABLED(CONFIG_RISCV_SBI)) + return csr_read(CSR_TIME); + return mmio_get_cycles(); } #define get_cycles get_cycles @@ -24,7 +37,9 @@ static inline u64 get_cycles64(void) #else /* CONFIG_64BIT */ static inline u32 get_cycles_hi(void) { - return csr_read(CSR_TIMEH); + if (IS_ENABLED(CONFIG_RISCV_SBI)) + return csr_read(CSR_TIMEH); + return mmio_get_cycles_hi(); } static inline u64 get_cycles64(void) |
