+++ /dev/null
-import subprocess
-import os
-
-class Programmer:
- def __init__(self, platform_name, flash_proxy_dir):
- self.platform_name = platform_name
- self.flash_proxy_dir = flash_proxy_dir
-
- def find_flash_proxy(self, name):
- if self.flash_proxy_dir is not None:
- search_dirs = [self.flash_proxy_dir]
- else:
- search_dirs = ["~/.mlabs", "/usr/local/share/mlabs", "/usr/share/mlabs"]
- for d in search_dirs:
- fulldir = os.path.abspath(os.path.expanduser(d))
- fullname = os.path.join(fulldir, name)
- 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
-
- 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("fjmem-" + self.platform_name + ".bit")
- 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
-
- def load_bitstream(self, bitstream_file):
- subprocess.call(["xc3sprog", "-v", "-c", "papilio", bitstream_file])
-
- def flash(self, address, data_file):
- flash_proxy = self.find_flash_proxy("bscan_spi_lx9_papilio.bit")
- subprocess.call(["xc3sprog", "-v", "-c", "papilio", "-I"+flash_proxy, "{}:w:0x{:x}:BIN".format(data_file, address)])
-
-class USBBlaster(Programmer):
- needs_bitreverse = 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
-
-def create_programmer(platform_name, *args, **kwargs):
- return {
- "mixxeo": UrJTAG,
- "m1": UrJTAG,
- "papilio_pro": XC3SProg,
- "de0nano": USBBlaster
- }[platform_name](platform_name, *args, **kwargs)