Add support for flashing the s25fl256s onboard Genesys2

This includes the cable configuration, additions to the Python script,
and the jtagspi proxy bitstream. The single-tap version is not included
because 0.10 supported only 3-byte addresses which is unusable on the
s25fl256s anyway.

Signed-off-by: Boris Shingarov <shingarov@labware.com>

openocd/flash-arty

@@ -44,8 +44,10 @@ elif args.fpga.lower() == "a100":
         proxy = "bscan_spi_xc7a100t{}.bit".format(version)
 elif args.fpga.lower() == "a200":
         proxy = "bscan_spi_xc7a200t{}.bit".format(version)
+elif args.fpga.lower() == "k325":
+        proxy = "bscan_spi_xc7k325t{}.bit".format(version)
 else:
-    print("error: specify a35, a100 or a200 when flashing")
+    print("error: specify a35, a100, a200 or k325 when flashing")
     sys.exit()
 
 proxy = os.path.join(BASE, proxy)

openocd/genesys2.cfg

@@ -0,0 +1,6 @@
+interface ftdi
+ftdi_vid_pid 0x0403 0x6010
+ftdi_channel 1
+ftdi_layout_init 0x00e8 0x60eb
+reset_config none
+adapter_khz 25000