2 files changed, 6 insertions, 2 deletions
diff --git a/bsp/env/freedom-e300-arty/init.c b/bsp/env/freedom-e300-arty/init.c
index 35b1104..a6f4b39 100644
--- a/bsp/env/freedom-e300-arty/init.c
+++ b/bsp/env/freedom-e300-arty/init.c
@@ -73,14 +73,15 @@ uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
 
 void _init()
 {
+  #ifndef NO_INIT
   uart_init(115200);
 
   printf("core freq at %d Hz\n", get_cpu_freq());
 
   write_csr(mtvec, &trap_entry);
+  #endif
 }
 
-
 void _fini()
 {
 }
diff --git a/bsp/env/freedom-e300-hifive1/init.c b/bsp/env/freedom-e300-hifive1/init.c
index 71e1659..de046cc 100644
--- a/bsp/env/freedom-e300-hifive1/init.c
+++ b/bsp/env/freedom-e300-hifive1/init.c
@@ -214,9 +214,10 @@ uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
   return epc;
 }
 
-
 void _init()
 {
+  
+  #ifndef NO_INIT
   use_default_clocks();
   use_pll(0, 0, 1, 31, 1);
   uart_init(115200);
@@ -228,6 +229,8 @@ void _init()
     write_csr(mstatus, MSTATUS_FS); // allow FPU instructions without trapping
     write_csr(fcsr, 0); // initialize rounding mode, undefined at reset
   }
+  #endif
+  
 }
 
 void _fini()