diff --git a/flashchips.c b/flashchips.c
index 99e547b..7c547cc 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -7256,6 +7256,238 @@
 
 	{
 		.vendor		= "GigaDevice",
+		.name		= "GD25LF80E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= GIGADEVICE_ID,
+		.model_id	= GIGADEVICE_GD25LF80E,
+		.total_size	= 1024,
+		.page_size	= 256,
+		/* OTP: 3x 1024B; read 0x48; write 0x42, erase 0x44 */
+		/* Supports fast-read quad-i/o (0xeb) but with 10 dummy cycles. */
+		.feature_bits	= FEATURE_WRSR_EITHER | FEATURE_WRSR_EXT2 | FEATURE_OTP |
+				  (FEATURE_QPI_SRP & ~FEATURE_FAST_READ_QIO),
+		.dummy_cycles	= { .qpi_read_params = { 4, 6, 8, 10 } },
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 256} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 32} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 16} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp4_srwd,
+		.unlock		= spi_disable_blockprotect_bp4_srwd, /* TODO: 2nd status reg (read with 0x35) */
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 2000},
+		.reg_bits	=
+		{
+			.qe	= {STATUS2, 1, RW}, /* Fixed QE=1 */
+			.srp    = {STATUS1, 7, RW},
+			.srl    = {STATUS2, 0, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.tb     = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like TB */
+			.sec    = {STATUS1, 6, RW}, /* Called BP4 in datasheet, acts like SEC */
+			.cmp    = {STATUS2, 6, RW},
+		},
+		.wp_write_cfg	= spi_wp_write_cfg,
+		.wp_read_cfg	= spi_wp_read_cfg,
+		.wp_get_ranges	= spi_wp_get_available_ranges,
+		.decode_range	= decode_range_spi25,
+		.prepare_access	= spi_prepare_io,
+		.finish_access	= spi_finish_io,
+	},
+
+	{
+		.vendor		= "GigaDevice",
+		.name		= "GD25LF16E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= GIGADEVICE_ID,
+		.model_id	= GIGADEVICE_GD25LF16E,
+		.total_size	= 2048,
+		.page_size	= 256,
+		/* OTP: 3x 1024B; read 0x48; write 0x42, erase 0x44 */
+		/* Supports fast-read quad-i/o (0xeb) but with 10 dummy cycles. */
+		.feature_bits	= FEATURE_WRSR_EITHER | FEATURE_WRSR_EXT2 | FEATURE_OTP |
+				  (FEATURE_QPI_SRP & ~FEATURE_FAST_READ_QIO),
+		.dummy_cycles	= { .qpi_read_params = { 4, 6, 8, 10 } },
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 512} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 64} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2048 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {2048 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp4_srwd,
+		.unlock		= spi_disable_blockprotect_bp4_srwd, /* TODO: 2nd status reg (read with 0x35) */
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 2000},
+		.reg_bits	=
+		{
+			.qe	= {STATUS2, 1, RW}, /* Fixed QE=1 */
+			.srp    = {STATUS1, 7, RW},
+			.srl    = {STATUS2, 0, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.tb     = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like TB */
+			.sec    = {STATUS1, 6, RW}, /* Called BP4 in datasheet, acts like SEC */
+			.cmp    = {STATUS2, 6, RW},
+		},
+		.wp_write_cfg	= spi_wp_write_cfg,
+		.wp_read_cfg	= spi_wp_read_cfg,
+		.wp_get_ranges	= spi_wp_get_available_ranges,
+		.decode_range	= decode_range_spi25,
+		.prepare_access	= spi_prepare_io,
+		.finish_access	= spi_finish_io,
+	},
+
+	{
+		.vendor		= "GigaDevice",
+		.name		= "GD25LF32E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= GIGADEVICE_ID,
+		.model_id	= GIGADEVICE_GD25LF32E,
+		.total_size	= 4096,
+		.page_size	= 256,
+		/* OTP: 3x 1024B; read 0x48; write 0x42, erase 0x44 */
+		/* Supports fast-read quad-i/o (0xeb) but with 10 dummy cycles. */
+		.feature_bits	= FEATURE_WRSR_EITHER | FEATURE_WRSR_EXT2 | FEATURE_OTP |
+				  (FEATURE_QPI_SRP & ~FEATURE_FAST_READ_QIO),
+		.dummy_cycles	= { .qpi_read_params = { 4, 6, 8, 10 } },
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 1024} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 128} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp4_srwd,
+		.unlock		= spi_disable_blockprotect_bp4_srwd, /* TODO: 2nd status reg (read with 0x35) */
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 2000},
+		.reg_bits	=
+		{
+			.qe	= {STATUS2, 1, RW}, /* Fixed QE=1 */
+			.srp    = {STATUS1, 7, RW},
+			.srl    = {STATUS2, 0, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.tb     = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like TB */
+			.sec    = {STATUS1, 6, RW}, /* Called BP4 in datasheet, acts like SEC */
+			.cmp    = {STATUS2, 6, RW},
+		},
+		.wp_write_cfg	= spi_wp_write_cfg,
+		.wp_read_cfg	= spi_wp_read_cfg,
+		.wp_get_ranges	= spi_wp_get_available_ranges,
+		.decode_range	= decode_range_spi25,
+		.prepare_access	= spi_prepare_io,
+		.finish_access	= spi_finish_io,
+	},
+
+	{
+		.vendor		= "GigaDevice",
+		.name		= "GD25LF64E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= GIGADEVICE_ID,
+		.model_id	= GIGADEVICE_GD25LF64E,
+		.total_size	= 8192,
+		.page_size	= 256,
+		/* OTP: 3x 1024B; read 0x48; write 0x42, erase 0x44 */
+		/* Supports fast-read quad-i/o (0xeb) but with 10 dummy cycles. */
+		.feature_bits	= FEATURE_WRSR_EITHER | FEATURE_WRSR_EXT2 | FEATURE_OTP |
+				  (FEATURE_QPI_SRP & ~FEATURE_FAST_READ_QIO),
+		.dummy_cycles	= { .qpi_read_params = { 4, 6, 8, 10 } },
+		.tested		= TEST_UNTESTED,
+		.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 = { {8192 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {8192 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp4_srwd,
+		.unlock		= spi_disable_blockprotect_bp4_srwd, /* TODO: 2nd status reg (read with 0x35) */
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 2000},
+		.reg_bits	=
+		{
+			.qe	= {STATUS2, 1, RW}, /* Fixed QE=1 */
+			.srp    = {STATUS1, 7, RW},
+			.srl    = {STATUS2, 0, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.tb     = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like TB */
+			.sec    = {STATUS1, 6, RW}, /* Called BP4 in datasheet, acts like SEC */
+			.cmp    = {STATUS2, 6, RW},
+		},
+		.wp_write_cfg	= spi_wp_write_cfg,
+		.wp_read_cfg	= spi_wp_read_cfg,
+		.wp_get_ranges	= spi_wp_get_available_ranges,
+		.decode_range	= decode_range_spi25,
+		.prepare_access	= spi_prepare_io,
+		.finish_access	= spi_finish_io,
+	},
+
+	{
+		.vendor		= "GigaDevice",
 		.name		= "GD25LQ128C/GD25LQ128D/GD25LQ128E",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= GIGADEVICE_ID,
diff --git a/include/flashchips.h b/include/flashchips.h
index c918f5c..f8b2b9d 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -422,6 +422,10 @@
 #define GIGADEVICE_GD25LB512MF	0x601a	/* Same as GD25LR512MF */
 #define GIGADEVICE_GD55LB01GF	0x601b
 #define GIGADEVICE_GD55LB02GF	0x601c
+#define GIGADEVICE_GD25LF80E	0x6314
+#define GIGADEVICE_GD25LF16E	0x6315
+#define GIGADEVICE_GD25LF32E	0x6316
+#define GIGADEVICE_GD25LF64E	0x6317
 #define GIGADEVICE_GD25LB256E	0x6719	/* Same as GD25LR256E */
 #define GIGADEVICE_GD25LB512ME	0x671a	/* Same as GD25LR512ME */
 #define GIGADEVICE_GD55LB01GE	0x671b