diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 47bbf69944..aaf7b7c447 100644
--- a/arch/arm/mach-mvebu/arm64-common.c
+++ b/arch/arm/mach-mvebu/arm64-common.c
@@ -84,7 +84,7 @@ static void a8k_dram_init_banksize(void)
 	}
 }
 
-int dram_init_banksize(void)
+__weak int dram_init_banksize(void)
 {
 	if (CONFIG_IS_ENABLED(ARMADA_8K))
 		a8k_dram_init_banksize();
@@ -94,7 +94,7 @@ int dram_init_banksize(void)
 	return 0;
 }
 
-int dram_init(void)
+__weak int dram_init(void)
 {
 	if (CONFIG_IS_ENABLED(ARMADA_8K)) {
 		gd->ram_size = a8k_dram_scan_ap_sz();
diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index d16d6fd124..65d50a92dd 100644
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -41,6 +41,22 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+int dram_init(void)
+{
+	gd->ram_base = 0;
+	gd->ram_size = (phys_size_t)get_ram_size(0, 0x40000000);
+
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = (phys_addr_t)0;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
+}
+
 #if defined(CONFIG_OF_BOARD_FIXUP)
 int board_fix_fdt(void *blob)
 {