diff -ur orig/flashrom-0.9.9/flashchips.c flashrom-0.9.9/flashchips.c
--- orig/flashrom-0.9.9/flashchips.c    2016-03-13 16:16:30.000000000 +0100
+++ flashrom-0.9.9/flashchips.c    2017-11-06 13:48:16.492818193 +0100
@@ -33,7 +33,6 @@
  * alphabetically sorted. Within families keep them in order of density.
  */
 const struct flashchip flashchips[] = {
-
     /*
      * .vendor        = Vendor name
      * .name        = Chip name
@@ -16060,6 +16059,41 @@
         .read        = NULL,
     },
 
+       {
+                .vendor         = "FMD", /*http://famousconnections.eu/wp-content/uploads/2017/10/FT25H04.pdf*/
+                .name           = "FT25H04",
+                .bustype        = BUS_SPI,
+                .manufacture_id = FMD_ID,
+                .model_id       = FMD_FT25H04,
+                .total_size     = 512,
+                .page_size      = 256,
+                .feature_bits   = FEATURE_WRSR_WREN,
+                .tested         = TEST_UNTESTED,
+                .probe          = probe_spi_rdid,
+                .probe_timing   = TIMING_ZERO,
+                .block_erasers  =
+                {
+                        {
+                                .eraseblocks = { {4 * 1024, 128} },
+                                .block_erase = spi_block_erase_20,
+                        }, {
+                                .eraseblocks = { {64 * 1024, 8} },
+                                .block_erase = spi_block_erase_d8,
+                        }, {
+                                .eraseblocks = { {512 * 1024, 1} },
+                                .block_erase = spi_block_erase_60,
+                        }, {
+                                .eraseblocks = { {512 * 1024, 1} },
+                                .block_erase = spi_block_erase_c7,
+                        }
+                },
+                .printlock      = spi_prettyprint_status_register_bp2_srwd,
+                .unlock         = spi_disable_blockprotect_bp2_srwd,
+                .write          = spi_chip_write_256,
+                .read           = spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+                .voltage        = {2700, 3600},
+        },
+
     {
         .vendor        = "Generic",
         .name        = "unknown SPI chip (RDID)",
@@ -16086,6 +16120,8 @@
         .write        = NULL,
     },
 
+
+
     {0}
 };
 
diff -ur orig/flashrom-0.9.9/flashchips.h flashrom-0.9.9/flashchips.h
--- orig/flashrom-0.9.9/flashchips.h    2016-03-06 15:33:49.000000000 +0100
+++ flashrom-0.9.9/flashchips.h    2017-11-06 13:02:49.858667319 +0100
@@ -40,6 +40,7 @@
 #define PROGMANUF_ID        0xFFFE    /* dummy ID for opaque chips behind a programmer */
 #define PROGDEV_ID        0x01    /* dummy ID for opaque chips behind a programmer */
 
+
 #define ALLIANCE_ID        0x52    /* Alliance Semiconductor */
 #define ALLIANCE_AS29F002B    0x34
 #define ALLIANCE_AS29F002T    0xB0
@@ -950,4 +951,7 @@
 #define WINBOND_W49V002A    0xB0
 #define WINBOND_W49V002FA    0x32
 
+#define FMD_ID            0x0E    /* Fremont Micro Devices */
+#define FMD_FT25H04        0x4013
+
 #endif /* !FLASHCHIPS_H */