diff --git a/arch/arm/mach-kirkwood/cpu.c b/arch/arm/mach-kirkwood/cpu.c
index 80f893ab36..df3e8f1178 100644
--- a/arch/arm/mach-kirkwood/cpu.c
+++ b/arch/arm/mach-kirkwood/cpu.c
@@ -52,7 +52,7 @@ unsigned int kw_winctrl_calcsize(unsigned int sizeval)
 	return (0x0000ffff & j);
 }
 
-static struct mbus_win windows[] = {
+static const struct mbus_win windows[] = {
 	/* Window 0: PCIE MEM address space */
 	{ KW_DEFADR_PCI_MEM, KW_DEFADR_PCI_MEM_SIZE,
 	  KWCPU_TARGET_PCIE, KWCPU_ATTR_PCIE_MEM },
diff --git a/arch/arm/mach-kirkwood/include/mach/cpu.h b/arch/arm/mach-kirkwood/include/mach/cpu.h
index d8639c6035..9eec786fe8 100644
--- a/arch/arm/mach-kirkwood/include/mach/cpu.h
+++ b/arch/arm/mach-kirkwood/include/mach/cpu.h
@@ -150,7 +150,7 @@ struct kwgpio_registers {
 unsigned int mvebu_sdram_bar(enum memory_bank bank);
 unsigned int mvebu_sdram_bs(enum memory_bank bank);
 void mvebu_sdram_size_adjust(enum memory_bank bank);
-int mvebu_mbus_probe(struct mbus_win windows[], int count);
+int mvebu_mbus_probe(const struct mbus_win windows[], int count);
 void mvebu_config_gpio(unsigned int gpp0_oe_val, unsigned int gpp1_oe_val,
 		unsigned int gpp0_oe, unsigned int gpp1_oe);
 int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index 1457af1d6a..5626b9197b 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/arch/arm/mach-mvebu/cpu.c
@@ -20,7 +20,7 @@
 #define DDR_BASE_CS_OFF(n)	(0x0000 + ((n) << 3))
 #define DDR_SIZE_CS_OFF(n)	(0x0004 + ((n) << 3))
 
-static struct mbus_win windows[] = {
+static const struct mbus_win windows[] = {
 	/* SPI */
 	{ MBUS_SPI_BASE, MBUS_SPI_SIZE,
 	  CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPIFLASH },
diff --git a/arch/arm/mach-mvebu/include/mach/cpu.h b/arch/arm/mach-mvebu/include/mach/cpu.h
index d9fa1f32aa..b127fce865 100644
--- a/arch/arm/mach-mvebu/include/mach/cpu.h
+++ b/arch/arm/mach-mvebu/include/mach/cpu.h
@@ -128,7 +128,7 @@ struct sar_freq_modes {
 unsigned int mvebu_sdram_bar(enum memory_bank bank);
 unsigned int mvebu_sdram_bs(enum memory_bank bank);
 void mvebu_sdram_size_adjust(enum memory_bank bank);
-int mvebu_mbus_probe(struct mbus_win windows[], int count);
+int mvebu_mbus_probe(const struct mbus_win windows[], int count);
 u32 mvebu_get_nand_clock(void);
 
 void __noreturn return_to_bootrom(void);
diff --git a/arch/arm/mach-mvebu/mbus.c b/arch/arm/mach-mvebu/mbus.c
index 7092f6cc10..959ca8e926 100644
--- a/arch/arm/mach-mvebu/mbus.c
+++ b/arch/arm/mach-mvebu/mbus.c
@@ -469,7 +469,7 @@ int mbus_dt_setup_win(u32 base, u32 size, u8 target, u8 attr)
 	return 0;
 }
 
-int mvebu_mbus_probe(struct mbus_win windows[], int count)
+int mvebu_mbus_probe(const struct mbus_win windows[], int count)
 {
 	int win;
 	int ret;
diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
index 2e467b546d..943ae01942 100644
--- a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
+++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
@@ -105,7 +105,7 @@ struct serdes_unit_data {
 	u8 serdes_unit_num;
 };
 
-static struct serdes_unit_data serdes_type_to_unit_info[] = {
+static const struct serdes_unit_data serdes_type_to_unit_info[] = {
 	{PEX_UNIT_ID, 0,},
 	{PEX_UNIT_ID, 1,},
 	{PEX_UNIT_ID, 2,},
diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
index ea858b269e..e90aff0c33 100644
--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -86,7 +86,7 @@ static const struct udevice_id mvebu_reset_of_match[] = {
 	{ },
 };
 
-static struct reset_ops mvebu_reset_ops = {
+static const struct reset_ops mvebu_reset_ops = {
 	.of_xlate = mvebu_reset_of_xlate,
 	.request = mvebu_reset_request,
 	.rfree = mvebu_reset_free,