Merge pull request #2147 from andelf/enhance/gowin-programmer
build/gowin/programmer: refactor GowinProgrammer for enhanced functionality
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enjoy-digital
GitHub
commit
05d7471f6c
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@ -9,13 +9,19 @@ import sys
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from shutil import which
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from litex.build.generic_programmer import GenericProgrammer
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from litex.build import tools
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# GowinProgrammer ----------------------------------------------------------------------------------
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GOWIN_PMODE_SRAM = 4
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# SRAM Program
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GOWIN_PMODE_SRAM = 2
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# SRAM Program JTAG 1149
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GOWIN_PMODE_SRAM_JTAG = 16
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# embFlash Erase,Program
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GOWIN_PMODE_EMBFLASH = 5
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GOWIN_PMODE_EXTFLASH = 31 # for bin
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# exFlash C Bin Erase,Program thru GAO-Bridge
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GOWIN_PMODE_EXFLASH_BIN = 38
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# exFlash Erase,Program thru GAO-Bridge
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GOWIN_PMODE_EXFLASH = 36
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GOWIN_CABLE_GWU2X = 0
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GOWIN_CABLE_FT2CH = 1
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@ -26,8 +32,12 @@ GOWIN_CABLE_FT2CH = 1
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class GowinProgrammer(GenericProgrammer):
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needs_bitreverse = False
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def __init__(self, devname):
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def __init__(self, devname, cable = GOWIN_CABLE_FT2CH):
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self.device = str(devname)
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self.cable = cable
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# Ref: Gowin Programmer User Guide https://cdn.gowinsemi.com.cn/SUG502E.pdf
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self.has_embflash = self.device.startswith("GN1N")
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# windows/powershell or msys2
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self.is_win32 = True if sys.platform == "win32" else False
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@ -37,7 +47,7 @@ class GowinProgrammer(GenericProgrammer):
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self.is_wsl = os.uname().release.find("WSL") > 0
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self.programmer = "programmer_cli"
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# note for WSL:
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# gowin programmer_cli not working out of it's directory
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if self.is_wsl or self.is_win32:
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@ -49,50 +59,63 @@ class GowinProgrammer(GenericProgrammer):
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os.chdir(gw_dir)
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# follow the help information:
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# 1. Gowin programmer does not support start address for embflash!
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# 2. External SPI FLASH programming is also not detailed (for programmer_cli)
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# 3. Verify usually got stuck, so we disable it by now. patch is welcome!
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def flash(self, address = 0, data_file = None, external = False, fifile = None, verify = False, cable = GOWIN_CABLE_FT2CH):
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pmode = (GOWIN_PMODE_EMBFLASH + 1) if verify else GOWIN_PMODE_EMBFLASH
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# 1. Gowin programmer does not support start address for embflash!
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# 2. Verify usually got stuck, so we disable it by now. patch is welcome!
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def flash(self, address = 0, bitstream_file = None, external = False, fifile = None, mcufile = None, pmode = None):
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if external is True:
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pmode = (GOWIN_PMODE_EXTFLASH + 1) if verify else GOWIN_PMODE_EXTFLASH
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if pmode is None:
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if external:
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pmode = GOWIN_PMODE_EXFLASH
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elif self.has_embflash:
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pmode = GOWIN_PMODE_EMBFLASH
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else:
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pmode = GOWIN_PMODE_EXFLASH
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external = True
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if data_file is None and fifile is None:
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print("GowinProgrammer: fsFile or fiFile should be given!");
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if bitstream_file is None and fifile is None and mcufile is None:
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print("GowinProgrammer: fsFile, fiFile or mcuFile should be given!")
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exit(1)
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if self.is_wsl is True and data_file is not None:
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data_file = os.popen("wslpath -w {}".format(data_file)).read().strip("\n")
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if self.is_wsl is True and bitstream_file is not None:
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bitstream_file = os.popen("wslpath -w {}".format(bitstream_file)).read().strip("\n")
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if self.is_wsl is True and fifile is not None:
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fifile = os.popen("wslpath -w {}".format(fifile)).read().strip("\n")
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cmd_line = [self.programmer,
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"--spiaddr", str(address),
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"--device", str(self.device)]
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if self.is_wsl is True and mcufile is not None:
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mcufile = os.popen("wslpath -w {}".format(mcufile)).read().strip("\n")
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if data_file is not None:
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if external is True:
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cmd_line += ["--mcuFile", str(data_file)]
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else:
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cmd_line += ["--fsFile", str(data_file)]
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cmd_line = [
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self.programmer,
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"--device", str(self.device)]
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if external:
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# accepts 0xXXX, at least 3 hex digits. Here we use 6 digits.
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spiaddr = "0x{:05X}".format(address)
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cmd_line += ["--spiaddr", spiaddr]
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if bitstream_file is not None:
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cmd_line += ["--fsFile", str(bitstream_file)]
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if fifile is not None:
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cmd_line += ["--fiFile", str(fifile)]
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cmd_line += ["--cable-index", str(cable), "--operation_index", str(pmode)]
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if mcufile is not None:
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cmd_line += ["--mcuFile", str(mcufile)]
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cmd_line += ["--cable-index", str(self.cable), "--operation_index", str(pmode)]
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print(' '.join(cmd_line))
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self.call(cmd_line)
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def load_bitstream(self, bitstream_file, verify = False, cable = GOWIN_CABLE_FT2CH):
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pmode = 4 if verify else 2
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def load_bitstream(self, bitstream_file):
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pmode = GOWIN_PMODE_SRAM
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bitfile = bitstream_file
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if self.is_wsl is True:
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bitfile = os.popen("wslpath -w {}".format(bitstream_file)).read().strip("\n")
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cmd_line = [self.programmer,
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"--device", str(self.device),
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"--fsFile", str(bitfile),
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"--cable-index", str(cable),
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"--cable-index", str(self.cable),
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"--operation_index", str(pmode)]
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self.call(cmd_line)
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