diff --git a/bdk/mem/minerva.c b/bdk/mem/minerva.c
index 66071940..7e9aa925 100644
--- a/bdk/mem/minerva.c
+++ b/bdk/mem/minerva.c
@@ -37,7 +37,7 @@ static bool no_table = false;
 static mtc_config_t *mtc_cfg = NULL;
 void (*mtc_call)(mtc_config_t *mtc_cfg, void *);
 
-u32 minerva_init(minerva_str_t *mtc_str)
+int minerva_init(minerva_str_t *mtc_str)
 {
 	mtc_call = NULL;
 	mtc_cfg  = (mtc_config_t *)&mtc_str->mtc_cfg;
diff --git a/bdk/mem/minerva.h b/bdk/mem/minerva.h
index 96dfa689..a0611c18 100644
--- a/bdk/mem/minerva.h
+++ b/bdk/mem/minerva.h
@@ -72,7 +72,7 @@ typedef enum
 } minerva_freq_t;
 
 extern void (*minerva_cfg)(mtc_config_t *mtc_cfg, void *);
-u32  minerva_init(minerva_str_t *mtc_str);
+int  minerva_init(minerva_str_t *mtc_str);
 void minerva_deinit();
 void minerva_change_freq(minerva_freq_t freq);
 void minerva_sdmmc_la_program(void *table, bool t210b01);
diff --git a/bdk/mem/sdram.c b/bdk/mem/sdram.c
index 427f75ae..052beeaf 100644
--- a/bdk/mem/sdram.c
+++ b/bdk/mem/sdram.c
@@ -85,9 +85,9 @@ static const u8 dram_encoding_t210b01[] = {
 #include "sdram_config.inl"
 #include "sdram_config_t210b01.inl"
 
-static bool _sdram_wait_emc_status(u32 reg_offset, u32 bit_mask, bool updated_state, s32 emc_channel)
+static int _sdram_wait_emc_status(u32 reg_offset, u32 bit_mask, bool updated_state, s32 emc_channel)
 {
-	bool err = true;
+	int err = 1;
 
 	for (s32 i = 0; i < EMC_STATUS_UPDATE_TIMEOUT; i++)
 	{
@@ -98,13 +98,13 @@ static bool _sdram_wait_emc_status(u32 reg_offset, u32 bit_mask, bool updated_st
 
 			if (((EMC_CH1(reg_offset) & bit_mask) != 0) == updated_state)
 			{
-				err = false;
+				err = 0;
 				break;
 			}
 		}
 		else if (((EMC(reg_offset) & bit_mask) != 0) == updated_state)
 		{
-			err = false;
+			err = 0;
 			break;
 		}
 		usleep(1);