numato-mimasv2: add latest bitstream and python tools for programming the FPGA

2 files changed, 531 insertions, 0 deletions

diff --git a/target/sh/numato-mimasv2/MimasV2Config.py b/target/sh/numato-mimasv2/MimasV2Config.py
new file mode 100644
index 000000000..048e9f4a0
--- /dev/null
+++ b/target/sh/numato-mimasv2/MimasV2Config.py
@@ -0,0 +1,531 @@
+import sys
+import serial
+import struct
+import time
+
+ERROR_FILE_TOO_LARGE 	= 0xEFFF0001
+MAX_PORTS   			= 100
+
+CDC_DATA_OUT_EP_SIZE 	= 70
+CDC_DATA_IN_EP_SIZE		= 38
+
+IN_BUFFER_FLUSH_DELAY   = 0.05
+
+IO_DIRECTION_OUT		= 0
+IO_DIRECTION_IN			= 1
+
+MODE_00    				= 0x00 # Setting for SPI bus Mode 0,0
+MODE_01    				= 0x01 # Setting for SPI bus Mode 0,1
+MODE_10     			= 0x02 # Setting for SPI bus Mode 1,0
+MODE_11     			= 0x03 # Setting for SPI bus Mode 1,1
+
+SPI_FOSC_64   			= 0x02
+SMPMID      			= 0x00
+
+CONFIG_OUT_PACKET_SPI_OPEN 					= 0
+CONFIG_OUT_PACKET_SPI_CLOSE 				= 1
+CONFIG_OUT_PACKET_SPI_GETSTRING 			= 2
+CONFIG_OUT_PACKET_SPI_PUTSTRING	 			= 3
+CONFIG_OUT_PACKET_SPI_GETSTRING_ATADDRESS 	= 4 
+CONFIG_OUT_PACKET_SPI_PUTSTRING_ATADDRESS 	= 5
+CONFIG_OUT_PACKET_SPI_GET_CHAR 				= 6
+CONFIG_OUT_PACKET_SPI_PUT_CHAR 				= 7
+CONFIG_OUT_PACKET_SPI_SET_IO_DIR 			= 8
+CONFIG_OUT_PACKET_SPI_SET_IO_VALUE 			= 9
+CONFIG_OUT_PACKET_SPI_GET_IO_VALUE 			= 10
+CONFIG_OUT_PACKET_SPI_GET_ALL_IO_VALUES 	= 11
+
+CONFIG_IN_PACKET_STATUS						= 0
+CONFIG_IN_PACKET_BUFFER						= 1
+
+CONFIG_IO_PIN_SI 		= 0
+CONFIG_IO_PIN_SO 		= 1
+CONFIG_IO_PIN_CS 		= 2
+CONFIG_IO_PIN_CLK	 	= 3
+CONFIG_IO_PIN_PROGB 	= 4
+CONFIG_IO_PIN_DONE 		= 5
+CONFIG_IO_PIN_INITB 	= 6
+
+IO_DIRECTION_OUT		= 0
+IO_DIRECTION_IN			= 1
+
+DEV_ID_M45PE10VMN6P             = 0x114020         
+DEV_ID_ATMEL_AT45DB021D         = 0x231F
+DEV_ID_ATMEL_AT45DB161D         = 0x261F   
+DEV_ID_MICRON_M25P16            = 0x152020    
+
+FLASH_ALGORITHM_M45PE10VMN6P    = 0x01
+FLASH_ALGORITHM_ATMEL_DATAFLASH = 0x02
+FLASH_ALGORITHM_M25P16          = 0x03
+
+#Generic SPI flash commands
+SPI_FLASH_READ_ID_9F		    = 0x9F
+
+#Atmel Dataflash specific
+ATMEL_DATAFLASH_READ			= 0x03
+ATMEL_DATAFLASH_READ_STATUS		= 0xD7
+ATMEL_DATAFLASH_BUFFER_WRITE    = 0x84
+ATMEL_DATAFLASH_PAGE_PROGRAM    = 0x83
+
+#M45PE10VMN6P Specific
+M45PE10VMN6P_WRITE_ENABLE		= 0x06
+M45PE10VMN6P_WRITE_DISABLE		= 0x04
+M45PE10VMN6P_READ_ID			= 0x9F
+M45PE10VMN6P_READ_STATUS		= 0x05
+M45PE10VMN6P_READ				= 0x03
+M45PE10VMN6P_FAST_READ			= 0x0B
+M45PE10VMN6P_PAGE_WRITE			= 0x0A
+M45PE10VMN6P_PAGE_PROGRAM		= 0x02
+M45PE10VMN6P_PAGE_ERASE			= 0xDB
+M45PE10VMN6P_SECTOR_ERASE		= 0xD8
+M45PE10VMN6P_DEEP_PWR_DOWN		= 0xB9
+M45PE10VMN6P_REL_DEEP_PWR_DOWN	= 0xB9
+
+#M25P16 Specific
+M25P16_WRITE_ENABLE		        = 0x06
+M25P16_WRITE_DISABLE		    = 0x04
+M25P16_READ_ID			        = 0x9F
+M25P16_READ_STATUS		        = 0x05
+M25P16_READ				        = 0x03
+M25P16_FAST_READ			    = 0x0B
+M25P16_PAGE_PROGRAM		        = 0x02
+M25P16_SECTOR_ERASE		        = 0xD8
+M25P16_BULK_ERASE		        = 0xC7
+M25P16_DEEP_PWR_DOWN		    = 0xB9
+M25P16_REL_DEEP_PWR_DOWN	    = 0xAB
+
+#-------------------------- class MimasV2ConfigDownloader ---------------------#
+class MimasV2ConfigDownloader:
+	'Configuration downloader class'
+	def __init__(self, Port):
+		'Try to open the port and initialize the object'
+		self.PortObj = serial.Serial(Port, 19200, timeout=1)
+		if self.PortObj is None	:
+			print("Unable to open port " + Port)
+			exit(1)
+			
+	def SendData(self, Data):
+		'The lowest level routine to send raw data to Mimas V2'
+		'Returns total number of writes written'
+		i = 0
+		bytesWritten = 0;
+		#Send data 30 bytes at a time. Mimas V2 can recieve maximum 30 bytes per transaction
+		while i < len(Data):
+			bytesWritten += self.PortObj.write(Data[i:i+30])
+			i += 30
+		return bytesWritten
+	
+	def ReadData(self, count):
+		return self.PortObj.read(count)
+		
+	def SendCommand(self, Command):
+		'Send a command to Mimas V2'
+		'This routine will add padding to make all commands 70 bytes long'
+		if(len(Command) < 70):
+			Command += b" " * (70 - len(Command))
+			
+		if self.SendData(Command) == 70:
+			return 0
+		else:
+			return 1
+		
+	def SpiOpen(self):
+		'Set up SPI peripheral inside PIC18 chip on Mimas V2'
+		#Packet Structure : Sync Byte, PacketType, SpiNum, SyncMode, BusMode, SmpPhase 
+		#                       ~    , 0x00      , 0x01  , 0x02    , 0x00   , 0x00 
+		return self.SendCommand(b"\x7e\x00\x01\x02\x00\x00")
+		
+	def SpiClose(self):
+		'Deinitialize and free resources allocated with SpiOpen command'
+		#Packet Structure : Sync Byte, PacketType, SpiNum
+		#                       ~    , 0x01      , 0x01  
+		return self.SendCommand(b"\x7e\x01\x01")
+		
+	def SpiSetIoDirection(self, Io, Direction):
+		'Set direction of IOs that are needed for configuration process'
+		#Packet Structure : Sync Byte, PacketType, SpiNum, Io, Direction
+		#                       ~    , 0x08      , 0x01  , Io, Direction
+		return self.SendCommand(b"\x7e\x08\x01" + struct.pack('BB', Io, Direction))
+		
+	def SpiSetIoValue(self, Io, Value):
+		'Set value of IOs that are needed for configuration process'
+		#Packet Structure : Sync Byte, PacketType, SpiNum, Io, Value
+		#                       ~    , 0x09      , 0x01  , Io, Value
+		return self.SendCommand(b"\x7e\x09\x01" + struct.pack('BB', Io, Value))
+		
+	def FlushInBuffer(self):
+		'Flush input buffer of the port'
+		#Sometimes flushInput fails to actually flush the contents of the buffer
+		#unless a slight delay is given
+		time.sleep(IN_BUFFER_FLUSH_DELAY)
+		self.PortObj.flushInput()
+		
+	def	CheckStatus(self, LastCmd = None):
+		'Checks the satus of the last command sent. Use this routine only with commands'
+		'that returns generic status response.'
+		#Try to read 100 bytes from the input buffer. The maximum amount of data expected
+		#is 38 bytes. If we receive more than 38 bytes, that means the input buffer has
+		#response from more than one commands. This is means input buffer is not flushed 
+		#before sending the last command. Input buffer can flushed by either calling 
+		#FlushInBuffer() routine or by reading large enough data from the input buffer.
+		#In most cases, simply calling CheckStatus() should clear the input buffer.
+		response = mimasport.ReadData(100)
+		print (response)
+		if len(response) > 38:
+			return 1
+		else:
+			if (response[0:1] == b'~') and (response[1:2] == struct.pack('B', CONFIG_IN_PACKET_STATUS)) and (response[3:4] == struct.pack('B', 0)):
+				if LastCmd == None:
+					return 0
+				else:
+					if response[4:5] == struct.pack('B', LastCmd):
+						return 0
+					else:
+						return 1
+			else:
+				return 1
+				
+	def ToggleCS(self):
+		'Toggles Chip Select'
+		#Set CS to output
+		if self.SpiSetIoDirection(CONFIG_IO_PIN_CS, IO_DIRECTION_OUT):
+			return 1;
+		
+		#De-assert CS
+		if self.SpiSetIoValue(CONFIG_IO_PIN_CS, 1):
+			return 1
+		
+		#Assert CS
+		return self.SpiSetIoValue(CONFIG_IO_PIN_CS, 0)
+		
+	def SpiPutChar(self, Char):
+		'Writes a character to SPI port'
+		#Packet Structure : Sync Byte, PacketType, SpiNum, Char
+		#                       ~    , 0x07      , 0x01  , Char
+		if self.SendCommand(b"\x7e\x07\x01" + struct.pack('B', Char)):
+			return 1
+	
+	def SpiPutString(self, Buffer, Length):
+		'Writes a string/buffer to SPI port'
+		#Packet Structure : Sync Byte, PacketType, SpiNum, Char
+		#                       ~    , 0x03      , 0x01  , Length, Res0, Res1, data
+		if self.SendCommand(b"\x7e\x03\x01" + struct.pack('B', Length) + b"\x00\x00" + Buffer[0:Length]):
+			return 1
+
+	def GetString(self, Length):
+		'Reads a string/buffer from SPI'
+		#Send CONFIG_OUT_PACKET_SPI_GETSTRING command
+		#Packet Structure : Sync Byte, PacketType, SpiNum, Length
+		#                       ~    , 0x02      , 0x01  , Length
+		if self.SendCommand(b"\x7e\x02\x01" + struct.pack('B', Length)):
+			return (1, None)
+			
+		#Read the response and extract data
+		response = self.ReadData(38)
+		if len(response) != 38:
+			return (1, None)
+			
+		return (0, response[6:6+Length])
+	
+	def FlashReadID9Fh(self):
+		'Reads flash ID using command 9Fh'
+		#Toggle CS to get SPI flash to a known state
+		if self.ToggleCS():
+			return 1
+			
+		#Write command 9Fh
+		if self.SpiPutChar(SPI_FLASH_READ_ID_9F):
+			return 1
+		
+		#Flush input buffer 
+		self.FlushInBuffer();
+		
+		#Read three bytes from SPI flash
+		status, string = self.GetString(3)
+		
+		if status:
+			return None
+		else:
+			idTuple = struct.unpack("=I", string + b'\x00')
+			return idTuple[0]
+
+	def M25P16WriteEnable(self):
+		'Enable write for SPI  flash M25P16'
+		#Toggle CS to get SPI flash to a known state
+		if self.ToggleCS():
+			return 1
+		
+		#Send write enable code
+		if self.SpiPutChar(M25P16_WRITE_ENABLE):
+			return 1
+		
+		#De-assert CS
+		if self.SpiSetIoValue(CONFIG_IO_PIN_CS, 1):
+			return 1
+			
+		return 0
+		
+	def M25P16ReadStatus(self):
+		'Reads M25P16 Status register'
+		#Toggle CS to get SPI flash to a known state
+		if self.ToggleCS():
+			return 1
+			
+		#Write M25P16_READ_STATUS command
+		if self.SpiPutChar(M25P16_READ_STATUS):
+			return 1
+			
+		#Flush input buffer 
+		self.FlushInBuffer();
+		
+		#Read one byte from SPI flash
+		status, string = self.GetString(1)
+		
+		if status:
+			return None
+		else:
+			statusTuple = struct.unpack("B", string)
+			return int(statusTuple[0])
+			
+	def M25P16sectorErase(self, EndAddress):
+		'Erases sectors up to the sector that contains EndAddress'
+		EndAddress |= 0xFFFF;
+		
+		i = 0
+		
+		for i in range(0, EndAddress, 0xFFFF):
+			
+			#Do write enable
+			if self.M25P16WriteEnable():
+				return 1
+		
+			#Toggle CS to get SPI flash to a known state
+			if self.ToggleCS():
+				return 1
+				
+			#Send Sector Erase command
+			if self.SpiPutChar(M25P16_SECTOR_ERASE):
+				return 1
+				
+			#Send address
+			address = struct.pack("i", i)
+			
+			if self.SpiPutChar(address[2]):
+				return 1
+				
+			if self.SpiPutChar(address[1]):
+				return 1
+				
+			if self.SpiPutChar(address[0]):
+				return 1
+				
+			#De-assert CS
+			if self.SpiSetIoValue(CONFIG_IO_PIN_CS, 1):
+				return 1
+
+			#Wait for sector erase to complete
+			while self.M25P16ReadStatus() & 0x01:
+				time.sleep(0.01)
+
+		return 0	
+	
+	def M25P16PageProgram(self, Buffer, Address, Length):
+		'SPI Flash page program'
+		if Length > 0x100:
+			return 1
+
+		#Do write enable
+		if self.M25P16WriteEnable():
+			return 1	
+			
+		#Toggle CS to get SPI flash to a known state
+		if self.ToggleCS():
+			return 1
+			
+		#Send page program command
+		if self.SpiPutChar(M25P16_PAGE_PROGRAM):
+			return 1
+			
+		#Send address
+		address = struct.pack("i", Address)
+			
+		if self.SpiPutChar(address[2]):
+			return 1
+				
+		if self.SpiPutChar(address[1]):
+			return 1
+				
+		if self.SpiPutChar(address[0]):
+			return 1
+		
+		#Send data 64 bytes at a time
+		i = 0
+		j = 0
+		while Length:
+			j = 64 if Length > 64 else Length
+			if self.SpiPutString(Buffer[i:i+64], j):
+				return(1)
+			i += j
+			Length -= j;
+		
+		#De-assert CS
+		if self.SpiSetIoValue(CONFIG_IO_PIN_CS, 1):
+			return 1
+	
+	def M25P16VerifyFlash(self, buffer):
+		'Reads the contents of flash and compare with data in buffer'
+		#Toggle CS to get SPI flash to a known state
+		if self.ToggleCS():
+			return 1
+		
+		#Send page program command
+		if self.SpiPutChar(M25P16_READ):
+			return 1
+		
+		#Send address bytes
+		if self.SpiPutChar(0):
+			return 1
+				
+		if self.SpiPutChar(0):
+			return 1
+				
+		if self.SpiPutChar(0):
+			return 1
+		
+		#Flush input buffer 
+		self.FlushInBuffer();
+			
+		readLength = len(buffer)
+		
+		readBuffer = b""
+		
+		while readLength:
+			j = 32 if readLength > 32 else readLength
+			status, string = self.GetString(j)
+			if status:
+				return 1
+				
+			readBuffer += string
+			readLength -= j
+			
+		if readBuffer == buffer:
+			return 0
+		else:
+			return 1
+	
+	def ConfigureMimasV2(self, FileName):
+		'Configures Mimas V2'
+		
+		#Set PROGB to output
+		if self.SpiSetIoDirection(CONFIG_IO_PIN_PROGB, IO_DIRECTION_OUT):
+			print ("Unable to set PROGB direction")
+			exit(1)
+		
+		#Pull PROGB Low while Flash is being programmed
+		if self.SpiSetIoValue(CONFIG_IO_PIN_PROGB, 0):
+			print ("Unable to assert PROGB")
+			exit(1)
+			
+		#Open SPI port	
+		if self.SpiOpen():
+			print ("Unable to openSPI port")
+			exit(1)
+			
+		id = self.FlashReadID9Fh()
+		
+		if id == None:
+			print("Unable to read SPI Flash ID")
+			exit(1)
+			
+		elif id == DEV_ID_MICRON_M25P16:
+			print("Micron M25P16 SPI Flash detected")
+			FlashAlgorithm = FLASH_ALGORITHM_M25P16
+			
+		else:
+			print("Unknown flash part, exiting...")
+			exit(1)
+			
+		#Execute device specific programming algorithm
+		if FlashAlgorithm == FLASH_ALGORITHM_M25P16:
+
+			#Open the binary file and load the contents to buffer
+			print("Loading file " + FileName + "...") 
+			file = open(FileName, "rb")
+			if file == None:
+				print("Could not open file " + FileName)
+			
+			#Find out the size of the file
+			file.seek(0, 2)
+			fileSize = file.tell()
+			fileSizeForProgressInd = fileSize
+			
+			#Read file in to buffer
+			file.seek(0, 0)
+			dataBuff = file.read(fileSize)
+			file.close()
+			
+			#Erase flash sectors
+			print("Erasing flash sectors...")
+			if self.M25P16sectorErase(fileSize):
+				print ("Unable to erase flash sectors")
+				exit(1)
+			
+			i, j, address = 0, 0, 0
+
+			while fileSize:
+				j = 0x100 if fileSize > 0x100 else fileSize 
+				self.M25P16PageProgram(dataBuff[address:address+j], address, j)
+				address += j
+				fileSize -= j
+
+				#Wait for page program to complete
+				while self.M25P16ReadStatus() & 0x01:
+					time.sleep(0.01)
+				
+				sys.stdout.write("Writing to flash " + str(int((address/fileSizeForProgressInd)*100)) + "% complete...\r")
+				sys.stdout.flush()
+			
+			#verify the flash contents
+			print("\nVerifying flash contents...")
+			
+			if self.M25P16VerifyFlash(dataBuff):
+				print("Flash verification failed...")
+			else:
+				print("Flash verification successful...\nBooting FPGA...")
+						
+				#Set CS to input
+				if self.SpiSetIoDirection(CONFIG_IO_PIN_CS, IO_DIRECTION_IN):
+					return 1
+				
+				#De-assert PROGB
+				if self.SpiSetIoValue(CONFIG_IO_PIN_PROGB, 1):
+					return 1
+		
+			print("Done.")
+		
+	def __del__(self):
+		self.PortObj.close()
+		
+#-------------------------- End class MimasV2ConfigDownloader -----------------#
+
+def main():
+	print("****************************************")
+	print("* Numato Lab Mimas V2 Configuration Tool *")
+	print("****************************************")
+	
+	if(len(sys.argv) != 3):
+		print("ERROR: Invalid number of arguments.\n")
+		print("Usage : mimasv2config.py <PORT> <Binary File>\n")
+		print("PORT - The serial portcorresponds to Mimas V2 (Eg: COM1)\n")
+		print("Binary File - Binary file to be downloaded. Please see Mimas V2")
+		print("documentation for more details on generating binary file from")
+		print("your design.")
+		exit(1)
+	
+		
+	MimasV2configObj = MimasV2ConfigDownloader(sys.argv[1])
+	MimasV2configObj.ConfigureMimasV2(sys.argv[2])
+
+
+if __name__ == "__main__":
+	main()
diff --git a/target/sh/numato-mimasv2/mimas_v2.bin b/target/sh/numato-mimasv2/mimas_v2.bin
new file mode 100644
index 000000000..1202c0771
--- /dev/null
+++ b/target/sh/numato-mimasv2/mimas_v2.bin