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-rw-r--r--arch/riscv/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index f513f52672..7dc6e3fad2 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -104,4 +104,12 @@ config SIFIVE_CLINT
The SiFive CLINT block holds memory-mapped control and status registers
associated with software and timer interrupts.
+config RISCV_RDTIME
+ bool
+ default y if RISCV_SMODE
+ help
+ The provides the riscv_get_time() API that is implemented using the
+ standard rdtime instruction. This is the case for S-mode U-Boot, and
+ is useful for processors that support rdtime in M-mode too.
+
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