diff options
Diffstat (limited to 'contrib')
-rwxr-xr-x | contrib/loaders/flash/fpga/xilinx_bscan_spi.py | 314 |
1 files changed, 121 insertions, 193 deletions
diff --git a/contrib/loaders/flash/fpga/xilinx_bscan_spi.py b/contrib/loaders/flash/fpga/xilinx_bscan_spi.py index a107a6a..fa4ec2a 100755 --- a/contrib/loaders/flash/fpga/xilinx_bscan_spi.py +++ b/contrib/loaders/flash/fpga/xilinx_bscan_spi.py @@ -13,20 +13,21 @@ # GNU General Public License for more details. # -from migen.fhdl.std import * -from mibuild.generic_platform import * -from mibuild.xilinx import XilinxPlatform -from mibuild.xilinx.vivado import XilinxVivadoToolchain -from mibuild.xilinx.ise import XilinxISEToolchain +from migen import * +from migen.build.generic_platform import * +from migen.build import xilinx """ This migen script produces proxy bitstreams to allow programming SPI flashes -behind FPGAs. JTAG signalling is connected directly to SPI signalling. CS_N is -asserted when the JTAG IR contains the USER1 instruction and the state is -SHIFT-DR. +behind FPGAs. + +Bitstream binaries built with this script are available at: +https://github.com/jordens/bscan_spi_bitstreams -Xilinx bscan cells sample TDO on falling TCK and forward it. +JTAG signalling is connected directly to SPI signalling. CS_N is +asserted when the JTAG IR contains the USER1 instruction and the state is +SHIFT-DR. Xilinx bscan cells sample TDO on falling TCK and forward it. MISO requires sampling on rising CLK and leads to one cycle of latency. https://github.com/m-labs/migen @@ -35,8 +36,10 @@ https://github.com/m-labs/migen class Spartan3(Module): macro = "BSCAN_SPARTAN3" + toolchain = "ise" def __init__(self, platform): + platform.toolchain.bitgen_opt += " -g compress -g UnusedPin:Pullup" self.clock_domains.cd_jtag = ClockDomain(reset_less=True) spi = platform.request("spiflash") shift = Signal() @@ -58,7 +61,10 @@ class Spartan3A(Spartan3): class Spartan6(Module): + toolchain = "ise" + def __init__(self, platform): + platform.toolchain.bitgen_opt += " -g compress -g UnusedPin:Pullup" self.clock_domains.cd_jtag = ClockDomain(reset_less=True) spi = platform.request("spiflash") shift = Signal() @@ -72,7 +78,13 @@ class Spartan6(Module): class Series7(Module): + toolchain = "vivado" + def __init__(self, platform): + platform.toolchain.bitstream_commands.extend([ + "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]", + "set_property BITSTREAM.CONFIG.UNUSEDPIN Pullnone [current_design]", + ]) self.clock_domains.cd_jtag = ClockDomain(reset_less=True) spi = platform.request("spiflash") clk = Signal() @@ -89,184 +101,105 @@ class Series7(Module): i_USRCCLKTS=0, i_USRDONEO=1, i_USRDONETS=1) -class XilinxBscanSpi(XilinxPlatform): +class XilinxBscanSpi(xilinx.XilinxPlatform): + packages = { + # (package-speedgrade, id): [cs_n, clk, mosi, miso, *pullups] + ("cp132", 1): ["M2", "N12", "N2", "N8"], + ("fg320", 1): ["U3", "U16", "T4", "N10"], + ("fg320", 2): ["V3", "U16", "T11", "V16"], + ("fg484", 1): ["Y4", "AA20", "AB14", "AB20"], + ("fgg484", 1): ["Y4", "AA20", "AB14", "AB20"], + ("fgg400", 1): ["Y2", "Y19", "W12", "W18"], + ("ftg256", 1): ["T2", "R14", "P10", "T14"], + ("ft256", 1): ["T2", "R14", "P10", "T14"], + ("fg400", 1): ["Y2", "Y19", "W12", "W18"], + ("cs484", 1): ["U7", "V17", "V13", "W17"], + ("qg144-2", 1): ["P38", "P70", "P64", "P65", "P62", "P61"], + ("cpg196-2", 1): ["P2", "N13", "P11", "N11", "N10", "P10"], + ("cpg236-1", 1): ["K19", None, "D18", "D19", "G18", "F18"], + ("csg484-2", 1): ["AB5", "W17", "AB17", "Y17", "V13", "W13"], + ("csg324-2", 1): ["V3", "R15", "T13", "R13", "T14", "V14"], + ("csg324-1", 1): ["L13", None, "K17", "K18", "L14", "M14"], + ("fbg484-1", 1): ["T19", None, "P22", "R22", "P21", "R21"], + ("fbg484-1", 2): ["L16", None, "H18", "H19", "G18", "F19"], + ("fbg676-1", 1): ["C23", None, "B24", "A25", "B22", "A22"], + ("ffg901-1", 1): ["V26", None, "R30", "T30", "R28", "T28"], + ("ffg1156-1", 1): ["V30", None, "AA33", "AA34", "Y33", "Y34"], + ("ffg1157-1", 1): ["AL33", None, "AN33", "AN34", "AK34", "AL34"], + ("ffg1158-1", 1): ["C24", None, "A23", "A24", "B26", "A26"], + ("ffg1926-1", 1): ["AK33", None, "AN34", "AN35", "AJ34", "AK34"], + ("fhg1761-1", 1): ["AL36", None, "AM36", "AN36", "AJ36", "AJ37"], + ("flg1155-1", 1): ["AL28", None, "AE28", "AF28", "AJ29", "AJ30"], + ("flg1932-1", 1): ["V32", None, "T33", "R33", "U31", "T31"], + ("flg1926-1", 1): ["AK33", None, "AN34", "AN35", "AJ34", "AK34"], + } + pinouts = { # bitstreams are named by die, package does not matter, speed grade # should not matter. - # cs_n, clk, mosi, miso, *pullups - "xc3s100e": ("cp132", - ["M2", "N12", "N2", "N8"], - "LVCMOS33", Spartan3), - "xc3s1200e": ("fg320", - ["U3", "U16", "T4", "N10"], - "LVCMOS33", Spartan3), - "xc3s1400a": ("fg484", - ["Y4", "AA20", "AB14", "AB20"], - "LVCMOS33", Spartan3A), - "xc3s1400an": ("fgg484", - ["Y4", "AA20", "AB14", "AB20"], - "LVCMOS33", Spartan3A), - "xc3s1600e": ("fg320", - ["U3", "U16", "T4", "N10"], - "LVCMOS33", Spartan3), - "xc3s200a": ("fg320", - ["V3", "U16", "T11", "V16"], - "LVCMOS33", Spartan3A), - "xc3s200an": ("ftg256", - ["T2", "R14", "P10", "T14"], - "LVCMOS33", Spartan3A), - "xc3s250e": ("cp132", - ["M2", "N12", "N2", "N8"], - "LVCMOS33", Spartan3), - "xc3s400a": ("fg320", - ["V3", "U16", "T11", "V16"], - "LVCMOS33", Spartan3A), - "xc3s400an": ("fgg400", - ["Y2", "Y19", "W12", "W18"], - "LVCMOS33", Spartan3A), - "xc3s500e": ("cp132", - ["M2", "N12", "N2", "N8"], - "LVCMOS33", Spartan3), - "xc3s50a": ("ft256", - ["T2", "R14", "P10", "T14"], - "LVCMOS33", Spartan3A), - "xc3s50an": ("ftg256", - ["T2", "R14", "P10", "T14"], - "LVCMOS33", Spartan3A), - "xc3s700a": ("fg400", - ["Y2", "Y19", "W12", "W18"], - "LVCMOS33", Spartan3A), - "xc3s700an": ("fgg484", - ["Y4", "AA20", "AB14", "AB20"], - "LVCMOS33", Spartan3A), - "xc3sd1800a": ("cs484", - ["U7", "V17", "V13", "W17"], - "LVCMOS33", Spartan3A), - "xc3sd3400a": ("cs484", - ["U7", "V17", "V13", "W17"], - "LVCMOS33", Spartan3A), - - "xc6slx100": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx100t": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx150": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx150t": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx16": ("cpg196-2", - ["P2", "N13", "P11", "N11", "N10", "P10"], - "LVCMOS33", Spartan6), - "xc6slx25": ("csg324-2", - ["V3", "R15", "T13", "R13", "T14", "V14"], - "LVCMOS33", Spartan6), - "xc6slx25t": ("csg324-2", - ["V3", "R15", "T13", "R13", "T14", "V14"], - "LVCMOS33", Spartan6), - "xc6slx45": ("csg324-2", - ["V3", "R15", "T13", "R13", "T14", "V14"], - "LVCMOS33", Spartan6), - "xc6slx45t": ("csg324-2", - ["V3", "R15", "T13", "R13", "T14", "V14"], - "LVCMOS33", Spartan6), - "xc6slx4": ("cpg196-2", - ["P2", "N13", "P11", "N11", "N10", "P10"], - "LVCMOS33", Spartan6), - "xc6slx4t": ("qg144-2", - ["P38", "P70", "P64", "P65", "P62", "P61"], - "LVCMOS33", Spartan6), - "xc6slx75": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx75t": ("csg484-2", - ["AB5", "W17", "AB17", "Y17", "V13", "W13"], - "LVCMOS33", Spartan6), - "xc6slx9": ("cpg196-2", - ["P2", "N13", "P11", "N11", "N10", "P10"], - "LVCMOS33", Spartan6), - "xc6slx9t": ("qg144-2", - ["P38", "P70", "P64", "P65", "P62", "P61"], - "LVCMOS33", Spartan6), - - "xc7a100t": ("csg324-1", - ["L13", None, "K17", "K18", "L14", "M14"], - "LVCMOS25", Series7), - "xc7a15t": ("cpg236-1", - ["K19", None, "D18", "D19", "G18", "F18"], - "LVCMOS25", Series7), - "xc7a200t": ("fbg484-1", - ["T19", None, "P22", "R22", "P21", "R21"], - "LVCMOS25", Series7), - "xc7a35t": ("cpg236-1", - ["K19", None, "D18", "D19", "G18", "F18"], - "LVCMOS25", Series7), - "xc7a50t": ("cpg236-1", - ["K19", None, "D18", "D19", "G18", "F18"], - "LVCMOS25", Series7), - "xc7a75t": ("csg324-1", - ["L13", None, "K17", "K18", "L14", "M14"], - "LVCMOS25", Series7), - "xc7k160t": ("fbg484-1", - ["L16", None, "H18", "H19", "G18", "F19"], - "LVCMOS25", Series7), - "xc7k325t": ("fbg676-1", - ["C23", None, "B24", "A25", "B22", "A22"], - "LVCMOS25", Series7), - "xc7k355t": ("ffg901-1", - ["V26", None, "R30", "T30", "R28", "T28"], - "LVCMOS25", Series7), - "xc7k410t": ("fbg676-1", - ["C23", None, "B24", "A25", "B22", "A22"], - "LVCMOS25", Series7), - "xc7k420t": ("ffg1156-1", - ["V30", None, "AA33", "AA34", "Y33", "Y34"], - "LVCMOS25", Series7), - "xc7k480t": ("ffg1156-1", - ["V30", None, "AA33", "AA34", "Y33", "Y34"], - "LVCMOS25", Series7), - "xc7k70t": ("fbg484-1", - ["L16", None, "H18", "H19", "G18", "F19"], - "LVCMOS25", Series7), - "xc7v2000t": ("fhg1761-1", - ["AL36", None, "AM36", "AN36", "AJ36", "AJ37"], - "LVCMOS18", Series7), - "xc7v585t": ("ffg1157-1", - ["AL33", None, "AN33", "AN34", "AK34", "AL34"], - "LVCMOS18", Series7), - "xc7vh580t": ("flg1155-1", - ["AL28", None, "AE28", "AF28", "AJ29", "AJ30"], - "LVCMOS18", Series7), - "xc7vh870t": ("flg1932-1", - ["V32", None, "T33", "R33", "U31", "T31"], - "LVCMOS18", Series7), - "xc7vx1140t": ("flg1926-1", - ["AK33", None, "AN34", "AN35", "AJ34", "AK34"], - "LVCMOS18", Series7), - "xc7vx330t": ("ffg1157-1", - ["AL33", None, "AN33", "AN34", "AK34", "AL34"], - "LVCMOS18", Series7), - "xc7vx415t": ("ffg1157-1", - ["AL33", None, "AN33", "AN34", "AK34", "AL34"], - "LVCMOS18", Series7), - "xc7vx485t": ("ffg1157-1", - ["AL33", None, "AN33", "AN34", "AK34", "AL34"], - "LVCMOS18", Series7), - "xc7vx550t": ("ffg1158-1", - ["C24", None, "A23", "A24", "B26", "A26"], - "LVCMOS18", Series7), - "xc7vx690t": ("ffg1157-1", - ["AL33", None, "AN33", "AN34", "AK34", "AL34"], - "LVCMOS18", Series7), - "xc7vx980t": ("ffg1926-1", - ["AK33", None, "AN34", "AN35", "AJ34", "AK34"], - "LVCMOS18", Series7), + # + # chip: (package, id, standard, class) + "xc3s100e": ("cp132", 1, "LVCMOS33", Spartan3), + "xc3s1200e": ("fg320", 1, "LVCMOS33", Spartan3), + "xc3s1400a": ("fg484", 1, "LVCMOS33", Spartan3A), + "xc3s1400an": ("fgg484", 1, "LVCMOS33", Spartan3A), + "xc3s1600e": ("fg320", 1, "LVCMOS33", Spartan3), + "xc3s200a": ("fg320", 2, "LVCMOS33", Spartan3A), + "xc3s200an": ("ftg256", 1, "LVCMOS33", Spartan3A), + "xc3s250e": ("cp132", 1, "LVCMOS33", Spartan3), + "xc3s400a": ("fg320", 2, "LVCMOS33", Spartan3A), + "xc3s400an": ("fgg400", 1, "LVCMOS33", Spartan3A), + "xc3s500e": ("cp132", 1, "LVCMOS33", Spartan3), + "xc3s50a": ("ft256", 1, "LVCMOS33", Spartan3A), + "xc3s50an": ("ftg256", 1, "LVCMOS33", Spartan3A), + "xc3s700a": ("fg400", 1, "LVCMOS33", Spartan3A), + "xc3s700an": ("fgg484", 1, "LVCMOS33", Spartan3A), + "xc3sd1800a": ("cs484", 1, "LVCMOS33", Spartan3A), + "xc3sd3400a": ("cs484", 1, "LVCMOS33", Spartan3A), + + "xc6slx100": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx100t": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx150": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx150t": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx16": ("cpg196-2", 1, "LVCMOS33", Spartan6), + "xc6slx25": ("csg324-2", 1, "LVCMOS33", Spartan6), + "xc6slx25t": ("csg324-2", 1, "LVCMOS33", Spartan6), + "xc6slx45": ("csg324-2", 1, "LVCMOS33", Spartan6), + "xc6slx45t": ("csg324-2", 1, "LVCMOS33", Spartan6), + "xc6slx4": ("cpg196-2", 1, "LVCMOS33", Spartan6), + "xc6slx4t": ("qg144-2", 1, "LVCMOS33", Spartan6), + "xc6slx75": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx75t": ("csg484-2", 1, "LVCMOS33", Spartan6), + "xc6slx9": ("cpg196-2", 1, "LVCMOS33", Spartan6), + "xc6slx9t": ("qg144-2", 1, "LVCMOS33", Spartan6), + + "xc7a100t": ("csg324-1", 1, "LVCMOS25", Series7), + "xc7a15t": ("cpg236-1", 1, "LVCMOS25", Series7), + "xc7a200t": ("fbg484-1", 1, "LVCMOS25", Series7), + "xc7a35t": ("cpg236-1", 1, "LVCMOS25", Series7), + "xc7a50t": ("cpg236-1", 1, "LVCMOS25", Series7), + "xc7a75t": ("csg324-1", 1, "LVCMOS25", Series7), + "xc7k160t": ("fbg484-1", 2, "LVCMOS25", Series7), + "xc7k325t": ("fbg676-1", 1, "LVCMOS25", Series7), + "xc7k355t": ("ffg901-1", 1, "LVCMOS25", Series7), + "xc7k410t": ("fbg676-1", 1, "LVCMOS25", Series7), + "xc7k420t": ("ffg1156-1", 1, "LVCMOS25", Series7), + "xc7k480t": ("ffg1156-1", 1, "LVCMOS25", Series7), + "xc7k70t": ("fbg484-1", 2, "LVCMOS25", Series7), + "xc7v2000t": ("fhg1761-1", 1, "LVCMOS18", Series7), + "xc7v585t": ("ffg1157-1", 1, "LVCMOS18", Series7), + "xc7vh580t": ("flg1155-1", 1, "LVCMOS18", Series7), + "xc7vh870t": ("flg1932-1", 1, "LVCMOS18", Series7), + "xc7vx1140t": ("flg1926-1", 1, "LVCMOS18", Series7), + "xc7vx330t": ("ffg1157-1", 1, "LVCMOS18", Series7), + "xc7vx415t": ("ffg1157-1", 1, "LVCMOS18", Series7), + "xc7vx485t": ("ffg1157-1", 1, "LVCMOS18", Series7), + "xc7vx550t": ("ffg1158-1", 1, "LVCMOS18", Series7), + "xc7vx690t": ("ffg1157-1", 1, "LVCMOS18", Series7), + "xc7vx980t": ("ffg1926-1", 1, "LVCMOS18", Series7), } - def __init__(self, device, pins, std): + def __init__(self, device, pins, std, toolchain="ise"): cs_n, clk, mosi, miso = pins[:4] io = ["spiflash", 0, Subsignal("cs_n", Pins(cs_n)), @@ -278,26 +211,21 @@ class XilinxBscanSpi(XilinxPlatform): io.append(Subsignal("clk", Pins(clk))) for i, p in enumerate(pins[4:]): io.append(Subsignal("pullup{}".format(i), Pins(p), Misc("PULLUP"))) - - XilinxPlatform.__init__(self, device, [io]) - if isinstance(self.toolchain, XilinxVivadoToolchain): - self.toolchain.bitstream_commands.append( - "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]" - ) - elif isinstance(self.toolchain, XilinxISEToolchain): - self.toolchain.bitgen_opt += " -g compress" + xilinx.XilinxPlatform.__init__(self, device, [io], toolchain=toolchain) @classmethod def make(cls, device, errors=False): - pkg, pins, std, Top = cls.pinouts[device] - platform = cls("{}-{}".format(device, pkg), pins, std) + pkg, id, std, Top = cls.pinouts[device] + pins = cls.packages[(pkg, id)] + platform = cls("{}-{}".format(device, pkg), pins, std, Top.toolchain) top = Top(platform) name = "bscan_spi_{}".format(device) dir = "build_{}".format(device) try: platform.build(top, build_name=name, build_dir=dir) except Exception as e: - print("ERROR: build failed for {}: {}".format(device, e)) + print(("ERROR: xilinx_bscan_spi build failed " + "for {}: {}").format(device, e)) if errors: raise |