diff --git a/chipdrivers.h b/chipdrivers.h
index 48e56aa..03abdd9 100644
--- a/chipdrivers.h
+++ b/chipdrivers.h
@@ -91,8 +91,8 @@
 int spi_disable_blockprotect_at25fs010(struct flashctx *flash);
 int spi_disable_blockprotect_at25fs040(struct flashctx *flash);
 int spi_prettyprint_status_register_en25s_wp(struct flashctx *flash);
-int spi_prettyprint_status_register_s33(struct flashctx *flash);
-int spi_disable_blockprotect_s33(struct flashctx *flash);
+int spi_prettyprint_status_register_bp2_ep_srwd(struct flashctx *flash);
+int spi_disable_blockprotect_bp2_ep_srwd(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25vf016(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25vf040b(struct flashctx *flash);
diff --git a/flashchips.c b/flashchips.c
index 47b5dd0..f50d130 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -5159,8 +5159,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -5198,8 +5198,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -5237,8 +5237,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -5276,8 +5276,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -5315,8 +5315,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -5354,8 +5354,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_s33,
-		.unlock		= spi_disable_blockprotect_s33,
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd,
+		.unlock		= spi_disable_blockprotect_bp2_ep_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,	/* also fast read 0x0B */
 		.voltage	= {2700, 3600},
@@ -8587,6 +8587,112 @@
 	},
 
 	{
+		.vendor		= "Spansion",
+		.name		= "S25FL128S......0", /* uniform 256kB sectors */
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SPANSION_ID,
+		.model_id	= SPANSION_S25FL128,
+		.total_size	= 16384,
+		.page_size	= 256,
+		/* supports 4B addressing */
+		/* OTP: 1024B total, 32B reserved; read 0x4B; write 0x42 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 4096} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {256 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 16384 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 16384 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd, /* TODO: SR2 and many others */
+		.unlock		= spi_disable_blockprotect_bp2_srwd, /* TODO: various other locks */
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Spansion",
+		.name		= "S25FL256S......0", /* uniform 256kB sectors */
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SPANSION_ID,
+		.model_id	= SPANSION_S25FL256,
+		.total_size	= 32768,
+		.page_size	= 256,
+		/* supports 4B addressing */
+		/* OTP: 1024B total, 32B reserved; read 0x4B; write 0x42 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_BAD_REW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {256 * 1024, 128} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 32768 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 32768 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd, /* TODO: SR2 and many others */
+		.unlock		= spi_disable_blockprotect_bp2_srwd, /* TODO: various other locks */
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Spansion",
+		.name		= "S25FL512S",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SPANSION_ID,
+		.model_id	= SPANSION_S25FL512,
+		.total_size	= 65536,
+		.page_size	= 256,
+		/* supports 4B addressing */
+		/* supports SFDP */
+		/* OTP: 1024B total, 32B reserved; read 0x4B; write 0x42 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_BAD_REW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {256 * 1024, 256} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 65536 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 65536 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_bp2_ep_srwd, /* TODO: SR2 and many others */
+		.unlock		= spi_disable_blockprotect_bp2_srwd, /* TODO: various other locks */
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
 		.vendor		= "SST",
 		.name		= "SST25LF040A",
 		.bustype	= BUS_SPI,
diff --git a/flashchips.h b/flashchips.h
index fa5033f..cbeb201 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -540,6 +540,9 @@
 #define SPANSION_S25FL016A	0x0214
 #define SPANSION_S25FL032A	0x0215	/* Same as S25FL032P, but the latter supports EDI and CFI */
 #define SPANSION_S25FL064A	0x0216	/* Same as S25FL064P, but the latter supports EDI and CFI */
+#define SPANSION_S25FL128	0x2018
+#define SPANSION_S25FL256	0x0219
+#define SPANSION_S25FL512	0x0220
 #define SPANSION_S25FL204	0x4013
 #define SPANSION_S25FL208	0x4014
 #define SPANSION_S25FL216	0x4015	/* Same as S25FL216K, but the latter supports OTP, 3 status regs, quad I/O, SFDP etc. */
diff --git a/spi25_statusreg.c b/spi25_statusreg.c
index 6b4e516..09fa057 100644
--- a/spi25_statusreg.c
+++ b/spi25_statusreg.c
@@ -605,15 +605,17 @@
 	return 0;
 }
 
-/* === Intel === */
+/* === Intel/Numonyx/Micron - Spansion === */
 
+/* Used by Intel/Numonyx S33 and Spansion S25FL-S chips */
 /* TODO: Clear P_FAIL and E_FAIL with Clear SR Fail Flags Command (30h) here? */
-int spi_disable_blockprotect_s33(struct flashctx *flash)
+int spi_disable_blockprotect_bp2_ep_srwd(struct flashctx *flash)
 {
 	return spi_disable_blockprotect_bp2_srwd(flash);
 }
 
-int spi_prettyprint_status_register_s33(struct flashctx *flash)
+/* Used by Intel/Numonyx S33 and Spansion S25FL-S chips */
+int spi_prettyprint_status_register_bp2_ep_srwd(struct flashctx *flash)
 {
 	uint8_t status = spi_read_status_register(flash);
 	msg_cdbg("Chip status register is %02x\n", status);