diff --git a/board/storopack/smegw01/smegw01.c b/board/storopack/smegw01/smegw01.c
index e6bff80..7d4de93 100644
--- a/board/storopack/smegw01/smegw01.c
+++ b/board/storopack/smegw01/smegw01.c
@@ -17,6 +17,7 @@
 #include <asm/arch/crm_regs.h>
 #include <asm/setup.h>
 #include <asm/bootm.h>
+#include <mmc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -93,3 +94,12 @@
 
 	return 0;
 }
+
+uint board_mmc_get_env_part(struct mmc *mmc)
+{
+	uint part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
+
+	if (part == 7)
+		part = 0;
+	return part;
+}