From: Sebastien Bourdeauducq Date: Tue, 13 Dec 2011 16:38:59 +0000 (+0100) Subject: wishbone2csr: wait for WB deack X-Git-Tag: 24jan2021_ls180~2099^2~1135 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=929cc9807020ebaba3c1a6a77e786f5a8160c962;p=litex.git wishbone2csr: wait for WB deack --- diff --git a/migen/bus/wishbone2csr.py b/migen/bus/wishbone2csr.py index b6d72ed5..3244dd05 100644 --- a/migen/bus/wishbone2csr.py +++ b/migen/bus/wishbone2csr.py @@ -9,14 +9,14 @@ class Inst(): self.csr = csr.Master("from_wishbone") self.timeline = timeline.Inst(self.wishbone.cyc_i & self.wishbone.stb_i, [(1, [f.Assign(self.csr.we_o, self.wishbone.we_i)]), - (2, [f.Assign(self.wishbone.ack_o, 1)])]) + (2, [f.Assign(self.wishbone.ack_o, 1)]), + (3, [f.Assign(self.wishbone.ack_o, 0)])]) def GetFragment(self): sync = [ f.Assign(self.csr.we_o, 0), f.Assign(self.csr.d_o, self.wishbone.dat_i), f.Assign(self.csr.a_o, self.wishbone.adr_i[2:16]), - f.Assign(self.wishbone.ack_o, 0), f.Assign(self.wishbone.dat_o, self.csr.d_i) ] return f.Fragment(sync=sync) + self.timeline.GetFragment()