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Add AXI bus objects

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This commit is contained in:
Alex Forencich
2021-03-06 16:26:51 -08:00
parent c18fdd6e22
commit 69717c1698
12 changed files with 269 additions and 100 deletions
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28
cocotbext/axi/axil_master.py
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@@ -45,19 +45,17 @@ AxiLiteReadResp = namedtuple("AxiLiteReadResp", ["address", "data", "resp"])
class AxiLiteMasterWrite(Reset):
def __init__(self, entity, name, clock, reset=None):
self.log = logging.getLogger(f"cocotb.{entity._name}.{name}")
def __init__(self, bus, clock, reset=None):
self.log = logging.getLogger(f"cocotb.{bus.aw._entity._name}.{bus.aw._name}")
self.log.info("AXI lite master (write)")
self.log.info("cocotbext-axi version %s", __version__)
self.log.info("Copyright (c) 2020 Alex Forencich")
self.log.info("https://github.com/alexforencich/cocotbext-axi")
self.reset = reset
self.aw_channel = AxiLiteAWSource(entity, name, clock, reset)
self.w_channel = AxiLiteWSource(entity, name, clock, reset)
self.b_channel = AxiLiteBSink(entity, name, clock, reset)
self.aw_channel = AxiLiteAWSource(bus.aw, clock, reset)
self.w_channel = AxiLiteWSource(bus.w, clock, reset)
self.b_channel = AxiLiteBSink(bus.b, clock, reset)
self.write_command_queue = deque()
self.write_command_sync = Event()
@@ -271,18 +269,16 @@ class AxiLiteMasterWrite(Reset):
class AxiLiteMasterRead(Reset):
def __init__(self, entity, name, clock, reset=None):
self.log = logging.getLogger(f"cocotb.{entity._name}.{name}")
def __init__(self, bus, clock, reset=None):
self.log = logging.getLogger(f"cocotb.{bus.ar._entity._name}.{bus.ar._name}")
self.log.info("AXI lite master (read)")
self.log.info("cocotbext-axi version %s", __version__)
self.log.info("Copyright (c) 2020 Alex Forencich")
self.log.info("https://github.com/alexforencich/cocotbext-axi")
self.reset = reset
self.ar_channel = AxiLiteARSource(entity, name, clock, reset)
self.r_channel = AxiLiteRSink(entity, name, clock, reset)
self.ar_channel = AxiLiteARSource(bus.ar, clock, reset)
self.r_channel = AxiLiteRSink(bus.r, clock, reset)
self.read_command_queue = deque()
self.read_command_sync = Event()
@@ -481,12 +477,12 @@ class AxiLiteMasterRead(Reset):
class AxiLiteMaster:
def __init__(self, entity, name, clock, reset=None):
def __init__(self, bus, clock, reset=None):
self.write_if = None
self.read_if = None
self.write_if = AxiLiteMasterWrite(entity, name, clock, reset)
self.read_if = AxiLiteMasterRead(entity, name, clock, reset)
self.write_if = AxiLiteMasterWrite(bus.write, clock, reset)
self.read_if = AxiLiteMasterRead(bus.read, clock, reset)
def init_read(self, address, length, prot=AxiProt.NONSECURE, event=None):
self.read_if.init_read(address, length, prot, event)