litex/mibuild/xilinx/programmer.py

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import sys
import subprocess
from mibuild.generic_programmer import GenericProgrammer
from mibuild.xilinx import common
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def _run_urjtag(cmds):
with subprocess.Popen("jtag", stdin=subprocess.PIPE) as process:
process.stdin.write(cmds.encode("ASCII"))
process.communicate()
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class UrJTAG(GenericProgrammer):
needs_bitreverse = 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)
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class XC3SProg(GenericProgrammer):
needs_bitreverse = False
def __init__(self, cable, flash_proxy_basename=None):
GenericProgrammer.__init__(self, 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)])
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class FpgaProg(GenericProgrammer):
needs_bitreverse = False
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def __init__(self, flash_proxy_basename=None):
GenericProgrammer.__init__(self, flash_proxy_basename)
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def load_bitstream(self, bitstream_file):
subprocess.call(["fpgaprog", "-v", "-f", bitstream_file])
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def flash(self, address, data_file):
if address != 0:
raise ValueError("fpga prog needs a main bitstream at address 0")
flash_proxy = self.find_flash_proxy()
subprocess.call(["fpgaprog", "-v", "-sa", "-r", "-b", flash_proxy,
"-f", data_file])
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def _run_impact(cmds):
with subprocess.Popen("impact -batch", stdin=subprocess.PIPE) as process:
process.stdin.write(cmds.encode("ASCII"))
process.communicate()
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class iMPACT(GenericProgrammer):
needs_bitreverse = False
def load_bitstream(self, bitstream_file):
cmds = """setMode -bs
setCable -p auto
addDevice -p 1 -file {bitstream}
program -p 1
quit
""".format(bitstream=bitstream_file)
_run_impact(cmds)
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def _run_vivado(path, ver, cmds):
if sys.platform == "win32" or sys.platform == "cygwin":
vivado_cmd = "vivado -mode tcl"
else:
settings = common.settings(path, ver)
vivado_cmd = "bash -c \"source " + settings + "&& vivado -mode tcl\""
with subprocess.Popen(vivado_cmd, stdin=subprocess.PIPE, shell=True) as process:
process.stdin.write(cmds.encode("ASCII"))
process.communicate()
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class VivadoProgrammer(GenericProgrammer):
needs_bitreverse = False
def __init__(self, vivado_path="/opt/Xilinx/Vivado", vivado_ver=None):
GenericProgrammer.__init__(self)
self.vivado_path = vivado_path
self.vivado_ver = vivado_ver
def load_bitstream(self, bitstream_file):
cmds = """open_hw
connect_hw_server
open_hw_target [lindex [get_hw_targets -of_objects [get_hw_servers localhost]] 0]
set_property PROBES.FILE {{}} [lindex [get_hw_devices] 0]
set_property PROGRAM.FILE {{{bitstream}}} [lindex [get_hw_devices] 0]
program_hw_devices [lindex [get_hw_devices] 0]
refresh_hw_device [lindex [get_hw_devices] 0]
quit
""".format(bitstream=bitstream_file)
_run_vivado(self.vivado_path, self.vivado_ver, cmds)
# XXX works to flash bitstream, adapt it to flash bios
def flash(self, address, data_file):
cmds = """open_hw
connect_hw_server
open_hw_target [lindex [get_hw_targets -of_objects [get_hw_servers localhost]] 0]
create_hw_cfgmem -hw_device [lindex [get_hw_devices] 0] -mem_dev [lindex [get_cfgmem_parts {{n25q256-3.3v-spi-x1_x2_x4}}] 0]
set_property PROGRAM.BLANK_CHECK 0 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.ERASE 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.CFG_PROGRAM 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.VERIFY 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
refresh_hw_device [lindex [get_hw_devices] 0]
set_property PROGRAM.ADDRESS_RANGE {{use_file}} [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.FILES [list "{data}" ] [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0]]
set_property PROGRAM.UNUSED_PIN_TERMINATION {{pull-none}} [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.BLANK_CHECK 0 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.ERASE 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.CFG_PROGRAM 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
set_property PROGRAM.VERIFY 1 [ get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
startgroup
if {{![string equal [get_property PROGRAM.HW_CFGMEM_TYPE [lindex [get_hw_devices] 0]] [get_property MEM_TYPE [get_property CFGMEM_PART [get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]]]] }} {{ create_hw_bitstream -hw_device [lindex [get_hw_devices] 0] [get_property PROGRAM.HW_CFGMEM_BITFILE [ lindex [get_hw_devices] 0]]; program_hw_devices [lindex [get_hw_devices] 0]; }};
program_hw_cfgmem -hw_cfgmem [get_property PROGRAM.HW_CFGMEM [lindex [get_hw_devices] 0 ]]
endgroup
quit
""".format(data=data_file)
_run_vivado(self.vivado_path, self.vivado_ver, cmds)