diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index 1678b7b2e9f7..352c40dd3864 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -14,10 +14,12 @@
 #define SPINOR_OP_CLSR		0x30	/* Clear status register 1 */
 #define SPINOR_OP_RD_ANY_REG			0x65	/* Read any register */
 #define SPINOR_OP_WR_ANY_REG			0x71	/* Write any register */
+#define SPINOR_REG_CYPRESS_STR1V		0x00800000
 #define SPINOR_REG_CYPRESS_CFR1V		0x00800002
 #define SPINOR_REG_CYPRESS_CFR1_QUAD_EN		BIT(1)	/* Quad Enable */
 #define SPINOR_REG_CYPRESS_CFR2V		0x00800003
 #define SPINOR_REG_CYPRESS_CFR2_MEMLAT_11_24	0xb
+#define SPINOR_REG_CYPRESS_CFR2_ADRBYT		BIT(7)
 #define SPINOR_REG_CYPRESS_CFR3V		0x00800004
 #define SPINOR_REG_CYPRESS_CFR3_PGSZ		BIT(4) /* Page size. */
 #define SPINOR_REG_CYPRESS_CFR5V		0x00800006
@@ -188,6 +190,117 @@ static int cypress_nor_quad_enable_volatile(struct spi_nor *nor)
 	return 0;
 }
 
+/**
+ * cypress_nor_determine_addr_mode_by_sr1() - Determine current address mode
+ *                                            (3 or 4-byte) by querying status
+ *                                            register 1 (SR1).
+ * @nor:		pointer to a 'struct spi_nor'
+ * @addr_mode:		ponter to a buffer where we return the determined
+ *			address mode.
+ *
+ * This function tries to determine current address mode by comparing SR1 value
+ * from RDSR1(no address), RDAR(3-byte address), and RDAR(4-byte address).
+ *
+ * Return: 0 on success, -errno otherwise.
+ */
+static int cypress_nor_determine_addr_mode_by_sr1(struct spi_nor *nor,
+						  u8 *addr_mode)
+{
+	struct spi_mem_op op =
+		CYPRESS_NOR_RD_ANY_REG_OP(3, SPINOR_REG_CYPRESS_STR1V, 0,
+					  nor->bouncebuf);
+	bool is3byte, is4byte;
+	int ret;
+
+	ret = spi_nor_read_sr(nor, &nor->bouncebuf[1]);
+	if (ret)
+		return ret;
+
+	ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto);
+	if (ret)
+		return ret;
+
+	is3byte = (nor->bouncebuf[0] == nor->bouncebuf[1]);
+
+	op = (struct spi_mem_op)
+		CYPRESS_NOR_RD_ANY_REG_OP(4, SPINOR_REG_CYPRESS_STR1V, 0,
+					  nor->bouncebuf);
+	ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto);
+	if (ret)
+		return ret;
+
+	is4byte = (nor->bouncebuf[0] == nor->bouncebuf[1]);
+
+	if (is3byte == is4byte)
+		return -EIO;
+	if (is3byte)
+		*addr_mode = 3;
+	else
+		*addr_mode = 4;
+
+	return 0;
+}
+
+/**
+ * cypress_nor_set_addr_mode_nbytes() - Set the number of address bytes mode of
+ *                                      current address mode.
+ * @nor:		pointer to a 'struct spi_nor'
+ *
+ * Determine current address mode by reading SR1 with different methods, then
+ * query CFR2V[7] to confirm. If determination is failed, force enter to 4-byte
+ * address mode.
+ *
+ * Return: 0 on success, -errno otherwise.
+ */
+static int cypress_nor_set_addr_mode_nbytes(struct spi_nor *nor)
+{
+	struct spi_mem_op op;
+	u8 addr_mode;
+	int ret;
+
+	/*
+	 * Read SR1 by RDSR1 and RDAR(3- AND 4-byte addr). Use write enable
+	 * that sets bit-1 in SR1.
+	 */
+	ret = spi_nor_write_enable(nor);
+	if (ret)
+		return ret;
+	ret = cypress_nor_determine_addr_mode_by_sr1(nor, &addr_mode);
+	if (ret) {
+		ret = spi_nor_set_4byte_addr_mode(nor, true);
+		if (ret)
+			return ret;
+		return spi_nor_write_disable(nor);
+	}
+	ret = spi_nor_write_disable(nor);
+	if (ret)
+		return ret;
+
+	/*
+	 * Query CFR2V and make sure no contradiction between determined address
+	 * mode and CFR2V[7].
+	 */
+	op = (struct spi_mem_op)
+		CYPRESS_NOR_RD_ANY_REG_OP(addr_mode, SPINOR_REG_CYPRESS_CFR2V,
+					  0, nor->bouncebuf);
+	ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto);
+	if (ret)
+		return ret;
+
+	if (nor->bouncebuf[0] & SPINOR_REG_CYPRESS_CFR2_ADRBYT) {
+		if (addr_mode != 4)
+			return spi_nor_set_4byte_addr_mode(nor, true);
+	} else {
+		if (addr_mode != 3)
+			return spi_nor_set_4byte_addr_mode(nor, true);
+	}
+
+	nor->params->addr_nbytes = addr_mode;
+	nor->params->addr_mode_nbytes = addr_mode;
+
+	return 0;
+}
+
 /**
  * cypress_nor_set_page_size() - Set page size which corresponds to the flash
  *                               configuration.
@@ -227,9 +340,9 @@ s25fs256t_post_bfpt_fixup(struct spi_nor *nor,
 	struct spi_mem_op op;
 	int ret;
 
-	/* 4-byte address mode is enabled by default */
-	nor->params->addr_nbytes = 4;
-	nor->params->addr_mode_nbytes = 4;
+	ret = cypress_nor_set_addr_mode_nbytes(nor);
+	if (ret)
+		return ret;
 
 	/* Read Architecture Configuration Register (ARCFN) */
 	op = (struct spi_mem_op)
@@ -280,6 +393,12 @@ s25hx_t_post_bfpt_fixup(struct spi_nor *nor,
 			const struct sfdp_parameter_header *bfpt_header,
 			const struct sfdp_bfpt *bfpt)
 {
+	int ret;
+
+	ret = cypress_nor_set_addr_mode_nbytes(nor);
+	if (ret)
+		return ret;
+
 	/* Replace Quad Enable with volatile version */
 	nor->params->quad_enable = cypress_nor_quad_enable_volatile;
 
@@ -375,6 +494,12 @@ static int s28hx_t_post_bfpt_fixup(struct spi_nor *nor,
 				   const struct sfdp_parameter_header *bfpt_header,
 				   const struct sfdp_bfpt *bfpt)
 {
+	int ret;
+
+	ret = cypress_nor_set_addr_mode_nbytes(nor);
+	if (ret)
+		return ret;
+
 	return cypress_nor_set_page_size(nor);
 }