1 files changed, 7 insertions, 0 deletions

diff --git a/firmware/target/arm/tcc780x/system-target.h b/firmware/target/arm/tcc780x/system-target.h
index aa3cc7aa4f..0802bb92e0 100644
--- a/firmware/target/arm/tcc780x/system-target.h
+++ b/firmware/target/arm/tcc780x/system-target.h
@@ -34,4 +34,11 @@
 #define inw(a) (*(volatile unsigned short *) (a))
 #define outw(a,b) (*(volatile unsigned short *) (b) = (a))
 
+/* TC32 is configured to 1MHz in clock_init() */
+static inline void udelay(unsigned usecs)
+{
+    unsigned stop = TC32MCNT + usecs;
+    while (TIME_BEFORE(TC32MCNT, stop));
+}
+
 #endif /* SYSTEM_TARGET_H */