From 120715a3d1e6f1b872a4289f1bf78b61e0c95b5f Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Thu, 22 Aug 2024 16:23:03 +0200 Subject: [PATCH] soc/cores/hyperbus: Cleanup parameters. --- litex/soc/cores/hyperbus.py | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/litex/soc/cores/hyperbus.py b/litex/soc/cores/hyperbus.py index e79380178..e096db755 100644 --- a/litex/soc/cores/hyperbus.py +++ b/litex/soc/cores/hyperbus.py @@ -35,6 +35,9 @@ class HyperRAMPHY(LiteXModule): # # # + # Parameters. + # ---------- + self.clk_domain = clk_domain _sync = getattr(self.sync, clk_domain) # Rst. @@ -140,18 +143,21 @@ class HyperRAM(LiteXModule): # Parameters. # ----------- - data_width = len(pads.dq) if not hasattr(pads.dq, "oe") else len(pads.dq.o) - assert data_width in [8, 16] + data_width = len(getattr(pads.dq, "o", pads.dq)) + assert data_width in [8, 16] assert latency_mode in ["fixed", "variable"] - assert clk_ratio in [ + assert clk_ratio in [ "4:1", # HyperRAM Clk = Sys Clk/4. "2:1", # HyperRAM Clk = Sys Clk/2. ] - self.cd_io = cd_io = { - "4:1": "sys", - "2:1": "sys2x" - }[clk_ratio] - self.sync_io = sync_io = getattr(self.sync, cd_io) + + # PHY. + # ---- + self.phy = phy = HyperRAMPHY( + pads = pads, + data_width = data_width, + clk_domain = {"4:1": "sys", "2:1": "sys2x"}[clk_ratio], + ) # Config/Reg Interface. # --------------------- @@ -178,12 +184,7 @@ class HyperRAM(LiteXModule): sr = Signal(48) sr_next = Signal(48) - # PHY. - # ---- - self.phy = phy = HyperRAMPHY(pads=pads, data_width=data_width, clk_domain=cd_io) - # Drive Control Signals -------------------------------------------------------------------- - self.comb += [ phy.rst.eq(self.conf_rst), phy.cs.eq(cs), @@ -439,7 +440,7 @@ class HyperRAM(LiteXModule): self.status.fields.clk_ratio.eq({ "sys" : 4, "sys2x": 2, - }[self.cd_io]), + }[self.phy.clk_domain]), ] # Reg Interface.