コード例 #1
0
    def __init__(self,
                 name="AxiMicronMt28ew",
                 description="AXI-Lite Micron MT28EW PROM",
                 tryCount=5,
                 **kwargs):
        super().__init__(name=name,
                         description=description,
                         size=(0x1 << 12),
                         **kwargs)

        self._mcs = misc.McsReader()
        self._progDone = False
        self._tryCount = tryCount

        @self.command(
            value='',
            description="Load the .MCS into PROM",
        )
        def LoadMcsFile(arg):

            click.secho(('%s.LoadMcsFile: %s' % (self.path, arg)), fg='green')
            self._progDone = False

            # Start time measurement for profiling
            start = time.time()

            # Open the MCS file
            self._mcs.open(arg)

            # Erase the PROM
            self.eraseProm()

            # Write to the PROM
            self.writeProm()

            # Verify the PROM
            self.verifyProm()

            # End time measurement for profiling
            end = time.time()
            elapsed = end - start
            click.secho('LoadMcsFile() took %s to program the PROM' %
                        datetime.timedelta(seconds=int(elapsed)),
                        fg='green')

            # Add a power cycle reminder
            self._progDone = True
            click.secho(
                "\n\n\
                ***************************************************\n\
                ***************************************************\n\
                The MCS data has been written into the PROM.       \n\
                To reprogram the FPGA with the new PROM data,      \n\
                a IPROG CMD or power cycle is be required.\n\
                ***************************************************\n\
                ***************************************************\n\n"\
                , bg='green',
            )
コード例 #2
0
    def __init__(
            self,
            name="AxiMicronN25Q",
            description="AXI-Lite Micron N25Q and Micron MT25Q PROM",
            addrMode=False,  # False = 24-bit Address mode, True = 32-bit Address Mode
            tryCount=5,
            **kwargs):
        super().__init__(name=name,
                         description=description,
                         size=(0x1 << 10),
                         **kwargs)

        self._mcs = misc.McsReader()
        self._addrMode = addrMode
        self._progDone = False
        self._tryCount = tryCount

        ##############################
        # Constants
        ##############################

        self.READ_3BYTE_CMD = (0x03 << 16)
        self.READ_4BYTE_CMD = (0x13 << 16)

        self.FLAG_STATUS_REG = (0x70 << 16)
        self.FLAG_STATUS_RDY = (0x80)

        self.WRITE_ENABLE_CMD = (0x06 << 16)
        self.WRITE_DISABLE_CMD = (0x04 << 16)

        self.ADDR_ENTER_CMD = (0xB7 << 16)
        self.ADDR_EXIT_CMD = (0xE9 << 16)

        self.ERASE_CMD = (0xD8 << 16)
        self.WRITE_CMD = (0x02 << 16)

        self.STATUS_REG_WR_CMD = (0x01 << 16)
        self.STATUS_REG_RD_CMD = (0x05 << 16)

        self.DEV_ID_RD_CMD = (0x9F << 16)

        self.WRITE_NONVOLATILE_CONFIG = (0xB1 << 16)
        self.WRITE_VOLATILE_CONFIG = (0x81 << 16)
        self.READ_NONVOLATILE_CONFIG = (0xB5 << 16)
        self.READ_VOLATILE_CONFIG = (0x85 << 16)

        ##########################
        ## Configuration Register:
        ##########################
        ## BIT[15:12] Number of dummy clock cycles = 0xF    (default)
        ## BIT[11:09] XIP mode at power-on reset = 0x7      (default)
        ## BIT[08:06] Output driver strength = x7           (default)
        ## BIT[05:05] Double transfer rate protocol = 0x1   (default)
        ## BIT[04:04] Reset/hold = 0x1                      (default)
        ## BIT[03:03] Quad I/O protocol = 0x1               (default)
        ## BIT[02:02] Dual I/O protocol = 0x1               (default)
        ## BIT[01:01] 128Mb segment select = 0x1            (default)
        ## BIT[00:00] 1 = Enable 3-byte address mode        (default)
        ## BIT[00:00] 0 = Enable 4-byte address mode
        self.DEFAULT_3BYTE_CONFIG = 0xFFFF
        self.DEFAULT_4BYTE_CONFIG = 0xFFFE

        self.READ_MASK = 0x00000000
        self.WRITE_MASK = 0x80000000
        self.VERIFY_MASK = 0x40000000

        self.add(
            pr.LocalCommand(
                name='LoadMcsFile',
                function=self._LoadMcsFile,
                description='Load the .MCS into PROM',
                value='',
            ))