[target][visionfive2] set the time base properly

Seems to be running at 4Mhz according to the device tree.
2023-03-09 23:20:18 -08:00
parent 7c2c8d8e56
commit a1eb850079
2 changed files with 3 additions and 4 deletions
--- a/target/visionfive2/rules.mk
+++ b/target/visionfive2/rules.mk
@@ -5,3 +5,6 @@ MODULE := $(LOCAL_DIR)
 PLATFORM := jh7110

 MEMSIZE ?= 0x200000000 # 8GB
+
+# set time base
+GLOBAL_DEFINES += ARCH_RISCV_MTIME_RATE=4000000