diff --git a/litex/soc/software/bios/sdram.c b/litex/soc/software/bios/sdram.c
index 948f2cbf3..eeee93bad 100644
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@@ -861,6 +861,11 @@ int sdrinit(void)
 {
 	printf("Initializing SDRAM...\n");
 
+#ifdef CSR_DDRCTRL_BASE
+	ddrctrl_init_done_write(0);
+	ddrctrl_init_error_write(0);
+#endif
+
 	init_sequence();
 #ifdef CSR_DDRPHY_BASE
 #if CSR_DDRPHY_EN_VTC_ADDR
@@ -872,7 +877,13 @@ int sdrinit(void)
 #endif
 #endif
 	sdrhw();
+#ifdef CSR_DDRCTRL_BASE
+	ddrctrl_init_done_write(1);
+#endif
 	if(!memtest()) {
+#ifdef CSR_DDRCTRL_BASE
+		ddrctrl_init_error_write(1);
+#endif
 		return 0;
 	}