diff --git a/bscan_spi/xc6s_cs484.ucf b/bscan_spi/xc6s_cs484.ucf
new file mode 100644
index 0000000..2526183
--- /dev/null
+++ b/bscan_spi/xc6s_cs484.ucf
@@ -0,0 +1,7 @@
+CONFIG VCCAUX = 3.3;
+NET "*" IOSTANDARD = LVCMOS33;
+
+net "MISO" LOC = "Y17";
+net "MOSI" LOC = "AB17";
+net "DRCK1" LOC= "W17";
+net "CSB"  LOC = "AB5";
diff --git a/bscan_spi/xc6slx150-cs484.bit b/bscan_spi/xc6slx150-cs484.bit
new file mode 100644
index 0000000..c638d45
Binary files /dev/null and b/bscan_spi/xc6slx150-cs484.bit differ
diff --git a/progalgspiflash.cpp b/progalgspiflash.cpp
index 32a746f..92d199a 100644
--- a/progalgspiflash.cpp
+++ b/progalgspiflash.cpp
@@ -532,6 +532,42 @@ int ProgAlgSPIFlash::spi_flashinfo_issi(unsigned char *buf)
   return 1;
 }
 
+int ProgAlgSPIFlash::spi_flashinfo_cypress(unsigned char *buf) 
+{
+
+    sector_size = 4096;
+    sector_erase_cmd = 0x20; 
+    pgsize = 256;
+    
+    switch (buf[1])
+    {
+        case 0x60:
+            switch (buf[2])
+            {
+                case 0x18: // 128Mbit
+                    pages = 65536;
+                    break;
+                    
+                case 0x19: // 256Mbit
+                    pages = 131072;
+                    break;
+
+                default:
+                    fprintf(stderr,"Cypress: Unexpected Device ID 0x%02x\n", buf[2]);
+                    return -1;
+            }
+            fprintf(stderr, "Found Spansion/Cypress Device, Device ID 0x%02x%02x\n",
+                    buf[1], buf[2]);
+            break;
+            
+        default:
+            fprintf(stderr,"Cypress: Unexpected upper Device ID 0x%02x\n", buf[1]);
+            return -1;
+    }
+    
+    return 1;
+}
+
 int ProgAlgSPIFlash::spi_flashinfo(void) 
 {
   byte fbuf[8]={READ_IDENTIFICATION, 0, 0, 0, 0, 0, 0, 0};
@@ -597,6 +633,9 @@ int ProgAlgSPIFlash::spi_flashinfo(void)
     case 0xbf:
       res = spi_flashinfo_sst(fbuf);
       break;
+    case 0x01:
+      res = spi_flashinfo_cypress(fbuf);
+      break;
     default:
       fprintf(stderr, "unknown JEDEC manufacturer: %02x\n",fbuf[0]);
       return -1;
@@ -1248,6 +1287,7 @@ int ProgAlgSPIFlash::program(BitFile &pfile)
   case 0x9d: /* ISSI */
   case 0xef: /* Winbond */
   case 0x89: /* Intel S33 */
+  case 0x01: /* Spansion / Cypress */
     return sectorerase_and_program(pfile);
   case 0xbf:
     return program_sst(pfile);
diff --git a/progalgspiflash.h b/progalgspiflash.h
index 103343a..0e7f2c5 100644
--- a/progalgspiflash.h
+++ b/progalgspiflash.h
@@ -68,6 +68,7 @@ class ProgAlgSPIFlash
   int spi_flashinfo_at45(unsigned char * fbuf);
   int spi_flashinfo_m25p_mx25l(unsigned char * fbuf, int is_mx25l);
   int spi_flashinfo_sst(unsigned char * fbuf);
+  int spi_flashinfo_cypress(unsigned char * fbuf);
   int wait(byte command, int report, int limit, double *delta);
   int wait(byte command, byte mask, byte value, int report, int limit, double *delta);
   int program_at45(BitFile &file);