litex/misoclib/targets/etherbone.py

from litescope.common import *
from litescope.frontend.la import LiteScopeLA
from litescope.core.port import LiteScopeTerm

from liteeth.common import *
from liteeth.generic import *

from targets.base import BaseSoC
from liteeth.core.etherbone import LiteEthEtherbone

class EtherboneSoC(BaseSoC):
	default_platform = "kc705"
	def __init__(self, platform):
		BaseSoC.__init__(self, platform,
			mac_address=0x10e2d5000000,
			ip_address="192.168.1.40")
		self.submodules.etherbone = LiteEthEtherbone(self.core.udp, 20000)
		self.add_wb_master(self.etherbone.master.bus)

class EtherboneSoCDevel(EtherboneSoC):
	csr_map = {
		"la":			20
	}
	csr_map.update(EtherboneSoC.csr_map)
	def __init__(self, platform):
		EtherboneSoC.__init__(self, platform)
		debug = (
			# mmap stream from HOST
			self.etherbone.master.sink.stb,
			self.etherbone.master.sink.sop,
			self.etherbone.master.sink.eop,
			self.etherbone.master.sink.ack,
			self.etherbone.master.sink.we,
			self.etherbone.master.sink.count,
			self.etherbone.master.sink.base_addr,
			self.etherbone.master.sink.be,
			self.etherbone.master.sink.addr,
			self.etherbone.master.sink.data,

			# mmap stream to HOST
			self.etherbone.master.source.stb,
			self.etherbone.master.source.sop,
			self.etherbone.master.source.eop,
			self.etherbone.master.source.ack,
			self.etherbone.master.source.we,
			self.etherbone.master.source.count,
			self.etherbone.master.source.base_addr,
			self.etherbone.master.source.be,
			self.etherbone.master.source.addr,
			self.etherbone.master.source.data,

			# etherbone wishbone master
			self.etherbone.master.bus.dat_w,
			self.etherbone.master.bus.dat_r,
			self.etherbone.master.bus.adr,
			self.etherbone.master.bus.sel,
			self.etherbone.master.bus.cyc,
			self.etherbone.master.bus.stb,
			self.etherbone.master.bus.ack,
			self.etherbone.master.bus.we,
			self.etherbone.master.bus.cti,
			self.etherbone.master.bus.bte,
			self.etherbone.master.bus.err
		)
		self.submodules.la = LiteScopeLA(debug, 4096)
		self.la.trigger.add_port(LiteScopeTerm(self.la.dw))

	def do_exit(self, vns):
		self.la.export(vns, "test/la.csv")

default_subtarget = EtherboneSoC