litex/misoclib/cpu/identifier.py

23 lines
557 B
Python

from migen.fhdl.std import *
from migen.bank.description import *
from misoclib.cpu import git
class Identifier(Module, AutoCSR):
def __init__(self, sysid, frequency, revision=None):
self._sysid = CSRStatus(16)
self._revision = CSRStatus(32)
self._frequency = CSRStatus(32)
###
if revision is None:
revision = git.get_id()
self.comb += [
self._sysid.status.eq(sysid),
self._revision.status.eq(revision),
self._frequency.status.eq(frequency)
]