diff --git a/litex/soc/cores/cpu/gowin_emcu/crt0.c b/litex/soc/cores/cpu/gowin_emcu/crt0.c
index 95c7a6f1c..bea687093 100644
--- a/litex/soc/cores/cpu/gowin_emcu/crt0.c
+++ b/litex/soc/cores/cpu/gowin_emcu/crt0.c
@@ -1,4 +1,6 @@
 #include <stdint.h>
+#include "system.h"
+#include "generated/soc.h"
 
 extern uint32_t _fdata_rom, _fdata, _edata, _fbss, _ebss, _fstack;
 
@@ -6,17 +8,18 @@ void _start(void);
 void default_handler(void);
 
 void _start(void) {
-  uint32_t *y = &_fdata_rom;
-  for (uint32_t *x = &_fdata; x < &_edata; x ++)
-    *x = *y ++;
+    uint32_t *y = &_fdata_rom;
+    for (uint32_t *x = &_fdata; x < &_edata; x ++)
+        *x = *y ++;
 
-  for (uint32_t *x = &_fbss; x < &_ebss; x ++)
-    *x = 0;
+    for (uint32_t *x = &_fbss; x < &_ebss; x ++)
+        *x = 0;
 
-  // TODO: init uart
+    UART0->ctrl = 0b11; // set rx and tx enable bits
+    UART0->baud_div = CONFIG_CLOCK_FREQUENCY / 115200; // FIXME
 
-  __asm__("bl main");
-  while(1);
+    __asm__("bl main");
+    while(1);
 }
 
 void default_handler(void) {
@@ -24,7 +27,7 @@ void default_handler(void) {
 }
 
 
-const void* isr_vector[] __attribute__ ((section(".isr_vector"))) = {
+const void* isr_vector[] __attribute__((__used__)) __attribute__((section(".isr_vector"))) = {
     &_fstack,
     _start,
     default_handler,