from mibuild.generic_platform import *
from mibuild.crg import SimpleCRG
from mibuild.altera_quartus import AlteraQuartusPlatform
+from mibuild.programmer import USBBlaster
_io = [
("clk50", 0, Pins("R8"), IOStandard("3.3-V LVTTL")),
AlteraQuartusPlatform.__init__(self, "EP4CE22F17C6", _io,
lambda p: SimpleCRG(p, "clk50", None))
+ def create_programmer(self):
+ return USBBlaster()
+
def do_finalize(self, fragment):
try:
self.add_period_constraint(self.lookup_request("clk50"), 20)
from mibuild.generic_platform import *
from mibuild.crg import SimpleCRG
from mibuild.xilinx_ise import XilinxISEPlatform
+from mibuild.programmer import UrJTAG
_io = [
("user_led", 0, Pins("B16"), IOStandard("LVCMOS33"), Drive(24), Misc("SLEW=QUIETIO")),
XilinxISEPlatform.__init__(self, "xc6slx45-fgg484-2", _io,
lambda p: SimpleCRG(p, "clk50", None))
+ def create_programmer(self):
+ return UrJTAG("fjmem-m1.bit")
+
def do_finalize(self, fragment):
try:
self.add_period_constraint(self.lookup_request("clk50"), 20)
from mibuild.generic_platform import *
from mibuild.crg import SimpleCRG
from mibuild.xilinx_ise import XilinxISEPlatform
+from mibuild.programmer import UrJTAG
_io = [
("user_led", 0, Pins("V5"), IOStandard("LVCMOS33"), Drive(24), Misc("SLEW=QUIETIO")),
lambda p: SimpleCRG(p, "clk50", None))
self.add_platform_command("CONFIG VCCAUX=\"3.3\";\n")
+ def create_programmer(self):
+ return UrJTAG("fjmem-mixxeo.bit")
+
def do_finalize(self, fragment):
try:
self.add_period_constraint(self.lookup_request("clk50"), 20)
from mibuild.generic_platform import *
from mibuild.crg import SimpleCRG
from mibuild.xilinx_ise import XilinxISEPlatform
+from mibuild.programmer import XC3SProg
_io = [
("user_led", 0, Pins("P112"), IOStandard("LVCMOS33"), Drive(24), Misc("SLEW=QUIETIO")),
XilinxISEPlatform.__init__(self, "xc6slx9-tqg144-2", _io,
lambda p: SimpleCRG(p, "clk32", None), _connectors)
+ def create_programmer(self):
+ return XC3SProg("papilio", "bscan_spi_lx9_papilio.bit")
+
def do_finalize(self, fragment):
try:
self.add_period_constraint(self.lookup_request("clk32"), 31.25)
--- /dev/null
+import subprocess
+import os
+
+class Programmer:
+ def __init__(self, flash_proxy_basename=None):
+ self.flash_proxy_basename = flash_proxy_basename
+ self.flash_proxy_dirs = ["~/.mlabs", "/usr/local/share/mlabs", "/usr/share/mlabs"]
+
+ def set_flash_proxy_dir(self, flash_proxy_dir):
+ if flash_proxy_dir is not None:
+ self.flash_proxy_dirs = [flash_proxy_dir]
+
+ def find_flash_proxy(self):
+ for d in self.flash_proxy_dirs:
+ fulldir = os.path.abspath(os.path.expanduser(d))
+ fullname = os.path.join(fulldir, self.flash_proxy_basename)
+ if os.path.exists(fullname):
+ return fullname
+ raise OSError("Failed to find flash proxy bitstream")
+
+def _run_urjtag(cmds):
+ with subprocess.Popen("jtag", stdin=subprocess.PIPE) as process:
+ process.stdin.write(cmds.encode("ASCII"))
+ process.communicate()
+
+class UrJTAG(Programmer):
+ needs_bitreverse = True
+ needs_flash_proxy = True
+
+ def load_bitstream(self, bitstream_file):
+ cmds = """cable milkymist
+detect
+pld load {bitstream}
+quit
+""".format(bitstream=bitstream_file)
+ _run_urjtag(cmds)
+
+ def flash(self, address, data_file):
+ flash_proxy = self.find_flash_proxy()
+ cmds = """cable milkymist
+detect
+pld load "{flash_proxy}"
+initbus fjmem opcode=000010
+frequency 6000000
+detectflash 0
+endian big
+flashmem "{address}" "{data_file}" noverify
+""".format(flash_proxy=flash_proxy, address=address, data_file=data_file)
+ _run_urjtag(cmds)
+
+class XC3SProg(Programmer):
+ needs_bitreverse = False
+ needs_flash_proxy = True
+
+ def __init__(self, cable, flash_proxy_basename=None):
+ Programmer.__init__(flash_proxy_basename)
+ self.cable = cable
+
+ def load_bitstream(self, bitstream_file):
+ subprocess.call(["xc3sprog", "-v", "-c", self.cable, bitstream_file])
+
+ def flash(self, address, data_file):
+ flash_proxy = self.find_flash_proxy()
+ subprocess.call(["xc3sprog", "-v", "-c", self.cable, "-I"+flash_proxy, "{}:w:0x{:x}:BIN".format(data_file, address)])
+
+class USBBlaster(Programmer):
+ needs_bitreverse = False
+ needs_flash_proxy = False
+
+ def load_bitstream(self, bitstream_file, port=0):
+ usb_port = "[USB-"+str(port)+"]"
+ subprocess.call(["quartus_pgm", "-m", "jtag", "-c", "USB-Blaster"+usb_port, "-o", "p;"+bitstream_file])
+
+ def flash(self, address, data_file):
+ raise NotImplementedError