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"""
# TOP2049 Open Source programming suite
#
# Copyright (c) 2009-2011 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
import sys
__pymajor = sys.version_info[0]
__pyminor = sys.version_info[1]
if __pymajor < 2 or (__pymajor == 2 and __pyminor < 6):
print "FATAL: TOPrammer requires Python version 2.6. Please install Python 2.6"
sys.exit(1)
# TOPrammer version stamp
VERSION_MAJOR = 0
VERSION_MINOR = 11
VERSION = "%d.%d" % (VERSION_MAJOR, VERSION_MINOR)
from bitfile import *
from util import *
import time
import re
from hardware_access_usb import *
from top_devices import *
from chips import *
from user_interface import *
class FoundDev(object):
def __init__(self, toptype, devIdentifier, busdata=None):
self.toptype = toptype
self.devIdentifier = devIdentifier
self.busdata = busdata
class TOP(object):
# Supported programmer types
TYPE_TOP2049 = "TOP2049"
def __init__(self, devIdentifier=None, verbose=0,
forceLevel=0, noqueue=False, usebroken=False,
forceBitfileUpload=False,
userInterface=ConsoleUserInterface()):
self.verbose = verbose
self.forceLevel = forceLevel
self.forceBitfileUpload = forceBitfileUpload
self.usebroken = usebroken
self.userInterface = userInterface
self.hw = None
self.chip = None
# Find the device
devices = self.findDevices()
if devIdentifier:
devices = filter(lambda d: d.devIdentifier == devIdentifier,
devices)
if not devices:
raise TOPException("TOP programmer device not found!")
foundDev = devices[0] # Select first
if noqueue:
self.printWarning("WARNING: Command queuing disabled. " +\
"Hardware access will be _really_ slow.")
self.initializeProgrammer(foundDev, noqueue)
def getProgrammerType(self):
"Returns the TYPE_TOPxxxx"
return self.topType
def initializeChip(self, chipID, assignedChipOptions=()):
"Initialize the programmer for a chip"
# If a chip is initialized, shut it down first.
if self.chip:
self.shutdownChip()
# Find the implementation of the chip.
descriptor = ChipDescription.findOne(chipID, self.usebroken)
self.chip = descriptor.chipImplClass.createInstance(
top = self,
chipDescription = descriptor,
assignedChipOptions = assignedChipOptions)
ok = self.configureFPGA(descriptor.bitfile, descriptor.runtimeID)
if not ok:
self.chip = None
raise TOPException("Did not find BIT-file for chip implementation %s" % chipID)
def shutdownChip(self):
if self.chip:
self.chip.shutdownChip()
self.flushCommands()
self.chip = None
def resetChip(self):
if self.chip:
self.chip.shutdownChip()
self.flushCommands()
def getChip(self):
"Get the chip. May return None"
return self.chip
def checkChip(self):
if not self.chip:
raise TOPException("Target chip not selected")
def getForceLevel(self):
return self.forceLevel
def progressMeterInit(self, meterId, message, nrSteps):
if self.verbose >= 1:
self.userInterface.progressMeterInit(meterId, message, nrSteps)
def progressMeterFinish(self, meterId):
if self.verbose >= 1:
self.userInterface.progressMeterFinish(meterId)
def progressMeter(self, meterId, step):
if self.verbose >= 1:
self.userInterface.progressMeter(meterId, step)
def printWarning(self, message):
if self.verbose >= 0:
self.flushCommands()
self.userInterface.warningMessage(message)
def printInfo(self, message):
if self.verbose >= 1:
self.flushCommands()
self.userInterface.infoMessage(message)
def printDebug(self, message):
if self.verbose >= 2:
self.flushCommands()
self.userInterface.debugMessage(message)
@classmethod
def __usbdev2toptype(cls, usbdev):
"Returns the TOP type of the USB device. None, if this is not a TOP device."
try:
toptype = {
(0x2471, 0x0853): TOP.TYPE_TOP2049,
}[ (usbdev.idVendor, usbdev.idProduct) ]
except (KeyError), e:
return None
return toptype
@classmethod
def findDevices(cls):
"""Rescan all busses for TOP devices.
Returns a list of FoundDev()"""
usbFound = HardwareAccessUSB.scan(cls.__usbdev2toptype)
devices = [ FoundDev(cls.__usbdev2toptype(d.usbdev),
"usb:%03d:%03d" % (d.busNr, d.devNr),
d)
for d in usbFound ]
return devices
def initializeProgrammer(self, foundDev, noQueue):
"Initialize the hardware"
self.shutdownProgrammer()
if foundDev.toptype == self.TYPE_TOP2049:
self.hw = top2049.hardware_access.HardwareAccess(
foundUSBDev = foundDev.busdata,
noQueue = noQueue,
doRawDump = (self.verbose >= 3))
self.vcc = top2049.vcc_layouts.VCCLayout(self)
self.vpp = top2049.vpp_layouts.VPPLayout(self)
self.gnd = top2049.gnd_layouts.GNDLayout(self)
else:
assert(0)
self.topType = foundDev.toptype
versionRegex = (
(r"top2049\s+ver\s*(\d+\.\d+)", self.TYPE_TOP2049),
)
versionString = self.hw.readVersionString()
for (regex, t) in versionRegex:
if t != self.topType:
continue
m = re.match(regex, versionString, re.IGNORECASE)
if m:
self.topVersion = m.group(1)
break
else:
raise TOPException("Connected TOP programmer '" + versionString +\
"' is not supported by Toprammer, yet")
self.printInfo("Initializing the " + self.topType + " version " + self.topVersion)
self.hw.hardwareInit()
def shutdownProgrammer(self):
if self.hw:
self.hw.shutdown()
self.hw = None
self.topType = None
self.topVersion = None
def __readBitfileID(self):
self.cmdFPGARead(0xFD)
self.cmdFPGARead(0xFE)
self.cmdFPGARead(0xFF)
data = self.cmdReadBufferReg(3)
gotID = byte2int(data[0]) | (byte2int(data[1]) << 8)
if gotID == 0xFEFD or gotID == 0xFFFF:
gotID = 0
gotRev = byte2int(data[2])
if gotRev == 0xFF:
gotRev = 0
return (gotID, gotRev)
def __bitfileUpload(self, requiredRuntimeID):
(requiredID, requiredRevision) = requiredRuntimeID
if requiredID and requiredRevision and not self.forceBitfileUpload:
# Check if the bitfile is already uploaded.
(gotID, gotRev) = self.__readBitfileID()
if gotID == requiredID and gotRev == requiredRevision:
self.printDebug("Bitfile %s ID 0x%04X Rev 0x%02X is already uploaded." %\
(self.bitfile.getFilename(), gotID, gotRev))
return
self.printDebug("Current runtime ID 0x%04X Rev 0x%02X. Uploading new bitfile..." %\
(gotID, gotRev))
self.printDebug("Uploading bitfile %s..." % self.bitfile.getFilename())
self.hw.FPGAInitiateConfig()
data = self.bitfile.getPayload()
chunksz = self.hw.getFPGAMaxConfigChunkSize()
chunksz = chunksz if chunksz > 0 else len(data)
for i in range(0, len(data), chunksz):
self.hw.FPGAUploadConfig(i, data[i : i + chunksz])
self.flushCommands()
if requiredID and requiredRevision:
# Check the uploaded ID
(gotID, gotRev) = self.__readBitfileID()
if gotID != requiredID or gotRev != requiredRevision:
raise TOPException("bit-upload: The bitfile upload succeed, "
"but the read ID or revision is invalid. "
"(Got 0x%04X/0x%02X, but expected 0x%04X/0x%02X)" %\
(gotID, gotRev, requiredID, requiredRevision))
def configureFPGA(self, bitfileName, runtimeIDs):
"""Upload and configure the FPGA.
bitfileName -> The name of the bitfile to upload
runtimeIDs -> bottom-half ID tuple: (majorID, minorID)"""
# Get the bitfile path.
bitfilePath = bitfileFind(bitfileName)
if not bitfilePath:
return False
# Open and parse the bitfile.
self.bitfile = Bitfile()
self.bitfile.parseFile(bitfilePath)
# Initialize the hardware.
self.__bitfileUpload(runtimeIDs)
return True
def readSignature(self):
"""Reads the chip signature and returns it."""
self.printDebug("Reading signature from chip...")
self.checkChip()
sig = self.chip.readSignature()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(sig))
return sig
def eraseChip(self):
"""Erase the chip."""
self.printDebug("Erasing chip...")
self.checkChip()
self.chip.erase()
self.flushCommands()
def testChip(self):
"""Run a unit-test on the chip."""
self.printDebug("Running chip unit-test...")
self.checkChip()
self.chip.test()
self.flushCommands()
self.printInfo("Chip unit-test terminated successfully.")
def readProgmem(self):
"""Reads the program memory image and returns it."""
self.printDebug("Reading program memory from chip...")
self.checkChip()
image = self.chip.readProgmem()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeProgmem(self, image):
"""Writes a program memory image to the chip."""
self.printDebug("Writing %d bytes of program memory to chip..." % len(image))
self.checkChip()
self.chip.writeProgmem(image)
self.flushCommands()
self.printDebug("Done writing image.")
def readEEPROM(self):
"""Reads the EEPROM image and returns it."""
self.printDebug("Reading EEPROM from chip...")
self.checkChip()
image = self.chip.readEEPROM()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeEEPROM(self, image):
"""Writes an EEPROM image to the chip."""
self.printDebug("Writing %d bytes of EEPROM to chip..." % len(image))
self.checkChip()
self.chip.writeEEPROM(image)
self.flushCommands()
self.printDebug("Done writing image.")
def readFuse(self):
"""Reads the fuses image and returns it."""
self.printDebug("Reading fuses from chip...")
self.checkChip()
image = self.chip.readFuse()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeFuse(self, image):
"""Writes a fuses image to the chip."""
self.printDebug("Writing %d bytes of fuses to chip..." % len(image))
self.checkChip()
self.chip.writeFuse(image)
self.flushCommands()
self.printDebug("Done writing image.")
def readLockbits(self):
"""Reads the Lock bits image and returns it."""
self.printDebug("Reading lock-bits from chip...")
self.checkChip()
image = self.chip.readLockbits()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeLockbits(self, image):
"""Writes a Lock bits image to the chip."""
self.printDebug("Writing %d bytes of lock-bits to chip..." % len(image))
self.checkChip()
self.chip.writeLockbits(image)
self.flushCommands()
self.printDebug("Done writing image.")
def readRAM(self):
"""Reads the RAM and returns it."""
self.printDebug("Reading RAM from chip...")
self.checkChip()
image = self.chip.readRAM()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeRAM(self, image):
"""Writes the RAM image to the chip."""
self.printDebug("Writing %d bytes of RAM to the chip..." % len(image))
self.checkChip()
self.chip.writeRAM(image)
self.flushCommands()
self.printDebug("Done writing the image.")
def readUserIdLocation(self):
"""Reads the User ID Location and returns it."""
self.printDebug("Reading UIL from chip...")
self.checkChip()
image = self.chip.readUserIdLocation()
self.flushCommands()
self.printDebug("Done reading %d bytes." % len(image))
return image
def writeUserIdLocation(self, image):
"""Writes the User ID Location image to the chip."""
self.printDebug("Writing %d bytes to UIL of the chip..." % len(image))
self.checkChip()
self.chip.writeUserIdLocation(image)
self.flushCommands()
self.printDebug("Done writing the image.")
def cmdDelay(self, seconds):
"""Send a delay request to the device. Note that this causes the
programmer to execute the delay. For a host-delay, use hostDelay()"""
self.hw.delay(seconds)
def hostDelay(self, seconds):
"""Flush all commands and delay the host computer for 'seconds'"""
self.flushCommands(seconds)
def getOscillatorHz(self):
"""Returns the FPGA oscillator frequency, in Hz.
The oscillator is connected to the FPGA clk pin."""
return self.hw.getOscillatorHz()
def getBufferRegSize(self):
"""Returns the size (in bytes) of the buffer register."""
return self.hw.getBufferRegSize()
def cmdReadBufferReg(self, nrBytes=-1):
"""Read the buffer register. Returns nrBytes (default all bytes)."""
regSize = self.getBufferRegSize()
if nrBytes < 0:
nrBytes = regSize
assert(nrBytes <= regSize)
if not nrBytes:
return b""
return self.hw.readBufferReg(nrBytes)
def cmdReadBufferReg8(self):
"""Read a 8bit value from the buffer register."""
stat = self.cmdReadBufferReg(1)
stat = byte2int(stat[0])
return stat
def cmdReadBufferReg16(self):
"""Read a 16bit value from the buffer register."""
stat = self.cmdReadBufferReg(2)
stat = byte2int(stat[0]) | (byte2int(stat[1]) << 8)
return stat
def cmdReadBufferReg24(self):
"""Read a 24bit value from the buffer register."""
stat = self.cmdReadBufferReg(3)
stat = byte2int(stat[0]) | (byte2int(stat[1]) << 8) | (byte2int(stat[2]) << 16)
return stat
def cmdReadBufferReg32(self):
"""Read a 32bit value from the buffer register."""
stat = self.cmdReadBufferReg(4)
stat = byte2int(stat[0]) | (byte2int(stat[1]) << 8) | \
(byte2int(stat[2]) << 16) | (byte2int(stat[3]) << 24)
return stat
def cmdReadBufferReg48(self):
"""Read a 48bit value from the buffer register."""
stat = self.cmdReadBufferReg(6)
stat = byte2int(stat[0]) | (byte2int(stat[1]) << 8) | \
(byte2int(stat[2]) << 16) | (byte2int(stat[3]) << 24) | \
(byte2int(stat[4]) << 32) | (byte2int(stat[5]) << 40)
return stat
def cmdFPGARead(self, address):
"""Read a byte from the FPGA at address into the buffer register."""
self.hw.FPGARead(address)
def cmdFPGAWrite(self, address, byte):
"""Write a byte to an FPGA address."""
return self.hw.FPGAWrite(address, byte)
def cmdLoadGNDLayout(self, layout):
"""Load the GND configuration into the programmer."""
self.hw.loadGNDLayout(layout)
def cmdSetVPPVoltage(self, voltage):
"""Set the VPP voltage. voltage is a floating point voltage number."""
self.hw.setVPPVoltage(voltage)
def cmdLoadVPPLayout(self, layout):
"""Load the VPP configuration into the programmer."""
self.hw.loadVPPLayout(layout)
def cmdSetVCCVoltage(self, voltage):
"""Set the VCC voltage. voltage is a floating point voltage number."""
self.hw.setVCCVoltage(voltage)
def cmdLoadVCCLayout(self, layout):
"""Load the VCC configuration into the shift registers."""
self.hw.loadVCCLayout(layout)
def cmdEnableZifPullups(self, enable):
"""Enable the ZIF socket signal pullups."""
self.hw.enableZifPullups(enable)
def flushCommands(self, sleepSeconds=0):
"""Flush command queue and optionally sleep for 'sleepSeconds'."""
self.hw.flushCommands(sleepSeconds)
|