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-rw-r--r--include/hw/riscv/sifive_u.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h
index 6b2b5b68e2..24418145aa 100644
--- a/include/hw/riscv/sifive_u.h
+++ b/include/hw/riscv/sifive_u.h
@@ -69,6 +69,8 @@ enum {
 
 enum {
     SIFIVE_U_CLOCK_FREQ = 1000000000,
+    SIFIVE_U_HFCLK_FREQ = 33333333,
+    SIFIVE_U_RTCCLK_FREQ = 1000000,
     SIFIVE_U_GEM_CLOCK_FREQ = 125000000
 };