diff --git a/arch/arm/cpu/arm926ejs/armada100/dram.c b/arch/arm/cpu/arm926ejs/armada100/dram.c
index f3b9a66..6a9000e 100644
--- a/arch/arm/cpu/arm926ejs/armada100/dram.c
+++ b/arch/arm/cpu/arm926ejs/armada100/dram.c
@@ -108,7 +108,9 @@
  * If this function is not defined here,
  * board.c alters dram bank zero configuration defined above.
  */
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	dram_init();
+
+	return 0;
 }
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 1e6d90c..ea6c090 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -663,7 +663,7 @@
 	return ea_size;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
 	phys_size_t dp_ddr_size;
@@ -772,6 +772,8 @@
 		}
 	}
 #endif
+
+	return 0;
 }
 
 #if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h
index 305a302..2129f37 100644
--- a/arch/arm/include/asm/u-boot-arm.h
+++ b/arch/arm/include/asm/u-boot-arm.h
@@ -36,7 +36,7 @@
 
 /* board/.../... */
 int	board_init(void);
-void	dram_init_banksize (void);
+int dram_init_banksize(void);
 void	board_quiesce_devices(void);
 
 /* cpu/.../interrupt.c */
diff --git a/arch/arm/mach-davinci/misc.c b/arch/arm/mach-davinci/misc.c
index e699d61..e1064e0 100644
--- a/arch/arm/mach-davinci/misc.c
+++ b/arch/arm/mach-davinci/misc.c
@@ -28,10 +28,12 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
 }
 #endif
 
diff --git a/arch/arm/mach-meson/board.c b/arch/arm/mach-meson/board.c
index f159cbf..273dbeb 100644
--- a/arch/arm/mach-meson/board.c
+++ b/arch/arm/mach-meson/board.c
@@ -34,11 +34,13 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	/* Reserve first 16 MiB of RAM for firmware */
 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE + (16 * 1024 * 1024);
 	gd->bd->bi_dram[0].size = gd->ram_size - (16 * 1024 * 1024);
+
+	return 0;
 }
 
 void reset_cpu(ulong addr)
diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 8f02655..1c0477a 100644
--- a/arch/arm/mach-mvebu/arm64-common.c
+++ b/arch/arm/mach-mvebu/arm64-common.c
@@ -82,7 +82,7 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	const void *fdt = gd->fdt_blob;
 	const fdt32_t *val;
@@ -90,13 +90,13 @@
 
 	val = get_memory_reg_prop(fdt, &len);
 	if (len < 0)
-		return;
+		return -ENXIO;
 
 	ac = fdt_address_cells(fdt, 0);
 	sc = fdt_size_cells(fdt, 0);
 	if (ac < 1 || sc > 2 || sc < 1 || sc > 2) {
 		printf("invalid address/size cells\n");
-		return;
+		return -ENXIO;
 	}
 
 	cells = ac + sc;
@@ -114,6 +114,8 @@
 		      i, (unsigned long)gd->bd->bi_dram[i].start,
 		      (unsigned long)gd->bd->bi_dram[i].size);
 	}
+
+	return 0;
 }
 
 int arch_cpu_init(void)
diff --git a/arch/arm/mach-mvebu/dram.c b/arch/arm/mach-mvebu/dram.c
index a8ec5ea..e3f304c 100644
--- a/arch/arm/mach-mvebu/dram.c
+++ b/arch/arm/mach-mvebu/dram.c
@@ -273,7 +273,7 @@
  * If this function is not defined here,
  * board.c alters dram bank zero configuration defined above.
  */
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	u64 size = 0;
 	int i;
@@ -287,6 +287,8 @@
 		if (size > SDRAM_SIZE_MAX)
 			mvebu_sdram_bs_set(i, 0x40000000);
 	}
+
+	return 0;
 }
 
 #if defined(CONFIG_ARCH_MVEBU)
diff --git a/arch/arm/mach-omap2/am33xx/emif4.c b/arch/arm/mach-omap2/am33xx/emif4.c
index 27fa3fb..3a110f2 100644
--- a/arch/arm/mach-omap2/am33xx/emif4.c
+++ b/arch/arm/mach-omap2/am33xx/emif4.c
@@ -32,10 +32,12 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
 }
 
 
diff --git a/arch/arm/mach-omap2/omap3/emif4.c b/arch/arm/mach-omap2/omap3/emif4.c
index a2aadc9..d540cf0 100644
--- a/arch/arm/mach-omap2/omap3/emif4.c
+++ b/arch/arm/mach-omap2/omap3/emif4.c
@@ -142,7 +142,7 @@
 	return 0;
 }
 
-void dram_init_banksize (void)
+int dram_init_banksize(void)
 {
 	unsigned int size0 = 0, size1 = 0;
 
@@ -153,6 +153,8 @@
 	gd->bd->bi_dram[0].size = size0;
 	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
 	gd->bd->bi_dram[1].size = size1;
+
+	return 0;
 }
 
 /*
diff --git a/arch/arm/mach-omap2/omap3/sdrc.c b/arch/arm/mach-omap2/omap3/sdrc.c
index 4f15ac9..f64cd91 100644
--- a/arch/arm/mach-omap2/omap3/sdrc.c
+++ b/arch/arm/mach-omap2/omap3/sdrc.c
@@ -216,7 +216,7 @@
 	return 0;
 }
 
-void dram_init_banksize (void)
+int dram_init_banksize(void)
 {
 	unsigned int size0 = 0, size1 = 0;
 
@@ -227,6 +227,8 @@
 	gd->bd->bi_dram[0].size = size0;
 	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
 	gd->bd->bi_dram[1].size = size1;
+
+	return 0;
 }
 
 /*
diff --git a/arch/arm/mach-orion5x/dram.c b/arch/arm/mach-orion5x/dram.c
index 9ed93d2..e9c03f3 100644
--- a/arch/arm/mach-orion5x/dram.c
+++ b/arch/arm/mach-orion5x/dram.c
@@ -42,7 +42,7 @@
 	return 0;
 }
 
-void dram_init_banksize (void)
+int dram_init_banksize(void)
 {
 	int i;
 
@@ -52,4 +52,6 @@
 			(long *) (gd->bd->bi_dram[i].start),
 			CONFIG_MAX_RAM_BANK_SIZE);
 	}
+
+	return 0;
 }
diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c
index 5a457b9..b73cd63 100644
--- a/arch/arm/mach-tegra/board2.c
+++ b/arch/arm/mach-tegra/board2.c
@@ -315,7 +315,7 @@
  * start address of that bank cannot be represented in the 32-bit .size
  * field.
  */
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 	gd->bd->bi_dram[0].size = usable_ram_size_below_4g();
@@ -334,6 +334,8 @@
 		gd->bd->bi_dram[1].start = 0;
 		gd->bd->bi_dram[1].size = 0;
 	}
+
+	return 0;
 }
 
 /*
diff --git a/arch/arm/mach-tegra/tegra186/nvtboot_mem.c b/arch/arm/mach-tegra/tegra186/nvtboot_mem.c
index 37dd8d4..bf16166 100644
--- a/arch/arm/mach-tegra/tegra186/nvtboot_mem.c
+++ b/arch/arm/mach-tegra/tegra186/nvtboot_mem.c
@@ -72,7 +72,7 @@
 
 extern unsigned long nvtboot_boot_x0;
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	int i;
 
@@ -80,6 +80,8 @@
 		gd->bd->bi_dram[i].start = ram_banks[i].start;
 		gd->bd->bi_dram[i].size = ram_banks[i].size;
 	}
+
+	return 0;
 }
 
 ulong board_get_usable_ram_top(ulong total_size)
diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c
index d9f6c16..f79b7cf 100644
--- a/arch/arm/mach-uniphier/dram_init.c
+++ b/arch/arm/mach-uniphier/dram_init.c
@@ -232,7 +232,7 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	struct uniphier_dram_map dram_map[3] = {};
 	int i;
@@ -246,6 +246,8 @@
 		gd->bd->bi_dram[i].start = dram_map[i].base;
 		gd->bd->bi_dram[i].size = dram_map[i].size;
 	}
+
+	return 0;
 }
 
 #ifdef CONFIG_OF_BOARD_SETUP