diff --git a/flashchips.c b/flashchips.c
index ecbe911c1..7c5e5bde5 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -8945,6 +8945,13 @@ const struct flashchip flashchips[] = {
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read, /* Fast read (0x0B) and dual I/O supported */
 		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.cmp    = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like CMP */
+		},
+		.decode_range	= decode_range_spi25_bit_cmp,
 	},
 
 	{
@@ -9171,6 +9178,12 @@ const struct flashchip flashchips[] = {
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read, /* Fast read (0x0B) supported */
 		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}, {STATUS1, 5, RW}},
+		},
+		.decode_range	= decode_range_spi25,
 	},
 
 	{
@@ -9207,6 +9220,13 @@ const struct flashchip flashchips[] = {
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read, /* Fast read (0x0B), dual I/O read (0xBB) supported */
 		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.cmp    = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like CMP */
+		},
+		.decode_range	= decode_range_spi25_bit_cmp,
 	},
 
 	{
@@ -9247,11 +9267,18 @@ const struct flashchip flashchips[] = {
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read, /* Fast read (0x0B), dual I/O read supported */
 		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.cmp    = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like CMP */
+		},
+		.decode_range	= decode_range_spi25_bit_cmp,
 	},
 
 	{
 		.vendor		= "Macronix",
-		.name		= "MX25L6436E/MX25L6445E/MX25L6465E/MX25L6473E/MX25L6473F",
+		.name		= "MX25L6436E/MX25L6445E/MX25L6465E",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= MACRONIX_ID,
 		.model_id	= MACRONIX_MX25L6405,
@@ -9259,7 +9286,7 @@ const struct flashchip flashchips[] = {
 		.page_size	= 256,
 		/* supports SFDP */
 		/* OTP: 512B total; enter 0xB1, exit 0xC1 */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_SCUR,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
@@ -9287,6 +9314,108 @@ const struct flashchip flashchips[] = {
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
 		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}, {STATUS1, 5, RW}},
+			.wps    = {SECURITY, 7, OTP}, /* This bit is set by WPSEL command */
+		},
+		.decode_range	= decode_range_spi25_2x_block,
+	},
+
+	{
+		.vendor		= "Macronix",
+		.name		= "MX25L6473E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= MACRONIX_ID,
+		.model_id	= MACRONIX_MX25L6405,
+		.total_size	= 8192,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 512B total; enter 0xB1, exit 0xC1 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_WRSR_EXT2 | FEATURE_SCUR | FEATURE_RDSR2_0x15,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 2048} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 256} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 128} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {8 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {8 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp3_srwd, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}, {STATUS1, 5, RW}},
+			.tb     = {CONFIG1, 3, OTP},
+			.wps    = {SECURITY, 7, OTP}, /* This bit is set by WPSEL command */
+		},
+		.decode_range	= decode_range_spi25,
+	},
+
+	{
+		.vendor		= "Macronix",
+		.name		= "MX25L6473F",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= MACRONIX_ID,
+		.model_id	= MACRONIX_MX25L6405,
+		.total_size	= 8192,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 512B total; enter 0xB1, exit 0xC1 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_WRSR_EXT2 | FEATURE_RDSR2_0x15,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 2048} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 256} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 128} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {8 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {8 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp3_srwd, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}, {STATUS1, 5, RW}},
+			.tb     = {CONFIG1, 3, OTP},
+		},
+		.decode_range	= decode_range_spi25,
 	},
 
 	{