diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 21d9db2..ccdb624 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -44,6 +44,7 @@
 config ARMADA_3700
 	bool
 	select ARM64
+	select HAVE_MVEBU_EFUSE
 
 # Armada 7K and 8K are very similar - use only one Kconfig symbol for both
 config ARMADA_8K
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index a5a2087..1b45188 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -27,7 +27,10 @@
 obj-$(CONFIG_ARMADA_38X) += ../../../drivers/ddr/marvell/a38x/xor.o
 obj-$(CONFIG_ARMADA_XP) += ../../../drivers/ddr/marvell/axp/xor.o
 obj-$(CONFIG_ARMADA_MSYS) += ../../../drivers/ddr/marvell/axp/xor.o
+
+ifdef CONFIG_ARMADA_38X
 obj-$(CONFIG_MVEBU_EFUSE) += efuse.o
+endif
 
 extra-y += kwbimage.cfg
 
diff --git a/arch/arm/mach-mvebu/armada3700/Makefile b/arch/arm/mach-mvebu/armada3700/Makefile
index 031b3e8..cd74726 100644
--- a/arch/arm/mach-mvebu/armada3700/Makefile
+++ b/arch/arm/mach-mvebu/armada3700/Makefile
@@ -3,3 +3,4 @@
 # Copyright (C) 2016 Stefan Roese <sr@denx.de>
 
 obj-y = cpu.o
+obj-$(CONFIG_MVEBU_EFUSE) += efuse.o
diff --git a/arch/arm/mach-mvebu/armada3700/efuse.c b/arch/arm/mach-mvebu/armada3700/efuse.c
new file mode 100644
index 0000000..03778f1
--- /dev/null
+++ b/arch/arm/mach-mvebu/armada3700/efuse.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) 2017 Marvell International Ltd.
+ * (C) 2021 Pali Rohár <pali@kernel.org>
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <mach/soc.h>
+
+#define OTP_NB_REG_BASE		((void __iomem *)MVEBU_REGISTER(0x12600))
+#define OTP_SB_REG_BASE		((void __iomem *)MVEBU_REGISTER(0x1A200))
+
+#define OTP_CONTROL_OFF		0x00
+#define   OTP_MODE_BIT		BIT(15)
+#define   OTP_RPTR_RST_BIT	BIT(14)
+#define   OTP_POR_B_BIT		BIT(13)
+#define   OTP_PRDT_BIT		BIT(3)
+#define OTP_READ_PORT_OFF	0x04
+#define OTP_READ_POINTER_OFF	0x08
+#define   OTP_PTR_INC_BIT	BIT(8)
+
+static void otp_read_parallel(void __iomem *base, u32 *data, u32 count)
+{
+	u32 regval;
+
+	/* 1. Clear OTP_MODE_NB to parallel mode */
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval &= ~OTP_MODE_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	/* 2. Set OTP_POR_B_NB enter normal operation */
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval |= OTP_POR_B_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	/* 3. Set OTP_PTR_INC_NB to auto-increment pointer after each read */
+	regval = readl(base + OTP_READ_POINTER_OFF);
+	regval |= OTP_PTR_INC_BIT;
+	writel(regval, base + OTP_READ_POINTER_OFF);
+
+	/* 4. Set OTP_RPTR_RST_NB, then clear the same field */
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval |= OTP_RPTR_RST_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval &= ~OTP_RPTR_RST_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	/* 5. Toggle OTP_PRDT_NB
+	 * a. Set OTP_PRDT_NB to 1.
+	 * b. Clear OTP_PRDT_NB to 0.
+	 * c. Wait for a minimum of 100 ns.
+	 * d. Set OTP_PRDT_NB to 1
+	 */
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval |= OTP_PRDT_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval &= ~OTP_PRDT_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	ndelay(100);
+
+	regval = readl(base + OTP_CONTROL_OFF);
+	regval |= OTP_PRDT_BIT;
+	writel(regval, base + OTP_CONTROL_OFF);
+
+	while (count-- > 0) {
+		/* 6. Read the content of OTP 32-bits at a time */
+		ndelay(100000);
+		*(data++) = readl(base + OTP_READ_PORT_OFF);
+	}
+}
+
+/*
+ * Banks 0-43 are used for accessing Security OTP (44 rows with 67 bits via 44 banks and words 0-2)
+ * Bank 44 is used for accessing North Bridge OTP (69 bits via words 0-2)
+ * Bank 45 is used for accessing South Bridge OTP (97 bits via words 0-3)
+ */
+
+#define RWTM_ROWS	44
+#define RWTM_MAX_BANK	(RWTM_ROWS - 1)
+#define RWTM_ROW_WORDS	3
+#define OTP_NB_BANK	RWTM_ROWS
+#define OTP_NB_WORDS	3
+#define OTP_SB_BANK	(RWTM_ROWS + 1)
+#define OTP_SB_WORDS	4
+
+int fuse_read(u32 bank, u32 word, u32 *val)
+{
+	if (bank <= RWTM_MAX_BANK) {
+		if (word >= RWTM_ROW_WORDS)
+			return -EINVAL;
+		/* TODO: not implemented yet */
+		return -ENOSYS;
+	} else if (bank == OTP_NB_BANK) {
+		u32 data[OTP_NB_WORDS];
+		if (word >= OTP_NB_WORDS)
+			return -EINVAL;
+		otp_read_parallel(OTP_NB_REG_BASE, data, OTP_NB_WORDS);
+		*val = data[word];
+		return 0;
+	} else if (bank == OTP_SB_BANK) {
+		u32 data[OTP_SB_WORDS];
+		if (word >= OTP_SB_WORDS)
+			return -EINVAL;
+		otp_read_parallel(OTP_SB_REG_BASE, data, OTP_SB_WORDS);
+		*val = data[word];
+		return 0;
+	} else {
+		return -EINVAL;
+	}
+}
+
+int fuse_prog(u32 bank, u32 word, u32 val)
+{
+	/* TODO: not implemented yet */
+	return -ENOSYS;
+}
+
+int fuse_sense(u32 bank, u32 word, u32 *val)
+{
+	/* not supported */
+	return -ENOSYS;
+}
+
+int fuse_override(u32 bank, u32 word, u32 val)
+{
+	/* not supported */
+	return -ENOSYS;
+}