From: Jean THOMAS Date: Thu, 30 Jul 2020 15:18:13 +0000 (+0200) Subject: Remove DDR4 modules X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8451119a21cf20780d0196aa691968e4fb5e2659;p=gram.git Remove DDR4 modules --- diff --git a/gram/modules.py b/gram/modules.py index e481f33..635a5d4 100644 --- a/gram/modules.py +++ b/gram/modules.py @@ -558,105 +558,3 @@ class MT16KTF1G64HZ(DDR3Module): "1866": _SpeedgradeTimings(tRP=13.125, tRCD=13.125, tWR=15, tRFC=(None, 260), tFAW=(None, 27), tRAS=34), } speedgrade_timings["default"] = speedgrade_timings["1866"] - - -# DDR4 (Chips) ------------------------------------------------------------------------------------- - -class DDR4Module(SDRAMModule): - memtype = "DDR4" - - -class DDR4RegisteredModule(SDRAMRegisteredModule): - memtype = "DDR4" - - -class EDY4016A(DDR4Module): - # geometry - ngroupbanks = 4 - ngroups = 2 - nbanks = ngroups * ngroupbanks - nrows = 32768 - ncols = 1024 - # timings - trefi = {"1x": 64e6/8192, "2x": (64e6/8192)/2, "4x": (64e6/8192)/4} - trfc = {"1x": (None, 260), "2x": (None, 160), "4x": (None, 110)} - technology_timings = _TechnologyTimings(tREFI=trefi, tWTR=( - 4, 7.5), tCCD=(4, None), tRRD=(4, 4.9), tZQCS=(128, 80)) - speedgrade_timings = { - "2400": _SpeedgradeTimings(tRP=13.32, tRCD=13.32, tWR=15, tRFC=trfc, tFAW=(28, 30), tRAS=32), - } - speedgrade_timings["default"] = speedgrade_timings["2400"] - - -class MT40A1G8(DDR4Module): - # geometry - ngroupbanks = 4 - ngroups = 4 - nbanks = ngroups * ngroupbanks - nrows = 65536 - ncols = 1024 - # timings - trefi = {"1x": 64e6/8192, "2x": (64e6/8192)/2, "4x": (64e6/8192)/4} - trfc = {"1x": (None, 350), "2x": (None, 260), "4x": (None, 160)} - technology_timings = _TechnologyTimings(tREFI=trefi, tWTR=( - 4, 7.5), tCCD=(4, None), tRRD=(4, 6.4), tZQCS=(128, 80)) - speedgrade_timings = { - "2400": _SpeedgradeTimings(tRP=13.32, tRCD=13.32, tWR=15, tRFC=trfc, tFAW=(20, 25), tRAS=32), - "2666": _SpeedgradeTimings(tRP=13.50, tRCD=13.50, tWR=15, tRFC=trfc, tFAW=(20, 21), tRAS=32), - } - speedgrade_timings["default"] = speedgrade_timings["2400"] - - -class MT40A256M16(DDR4Module): - # geometry - ngroupbanks = 4 - ngroups = 2 - nbanks = ngroups * ngroupbanks - nrows = 32768 - ncols = 1024 - # timings - trefi = {"1x": 64e6/8192, "2x": (64e6/8192)/2, "4x": (64e6/8192)/4} - trfc = {"1x": (None, 260), "2x": (None, 160), "4x": (None, 110)} - technology_timings = _TechnologyTimings(tREFI=trefi, tWTR=( - 4, 7.5), tCCD=(4, None), tRRD=(4, 4.9), tZQCS=(128, 80)) - speedgrade_timings = { - "2400": _SpeedgradeTimings(tRP=13.32, tRCD=13.32, tWR=15, tRFC=trfc, tFAW=(28, 35), tRAS=32), - } - speedgrade_timings["default"] = speedgrade_timings["2400"] - - -class MT40A512M8(DDR4Module): - # geometry - ngroupbanks = 4 - ngroups = 4 - nbanks = ngroups * ngroupbanks - nrows = 32768 - ncols = 1024 - # timings - trefi = {"1x": 64e6/8192, "2x": (64e6/8192)/2, "4x": (64e6/8192)/4} - trfc = {"1x": (None, 350), "2x": (None, 260), "4x": (None, 160)} - technology_timings = _TechnologyTimings(tREFI=trefi, tWTR=( - 4, 7.5), tCCD=(4, None), tRRD=(4, 4.9), tZQCS=(128, 80)) - speedgrade_timings = { - "2400": _SpeedgradeTimings(tRP=13.32, tRCD=13.32, tWR=15, tRFC=trfc, tFAW=(20, 25), tRAS=32), - "2666": _SpeedgradeTimings(tRP=13.50, tRCD=13.50, tWR=15, tRFC=trfc, tFAW=(20, 21), tRAS=32), - } - speedgrade_timings["default"] = speedgrade_timings["2400"] - - -class MT40A512M16(DDR4Module): - # geometry - ngroupbanks = 4 - ngroups = 2 - nbanks = ngroups * ngroupbanks - nrows = 65536 - ncols = 1024 - # timings - trefi = {"1x": 64e6/8192, "2x": (64e6/8192)/2, "4x": (64e6/8192)/4} - trfc = {"1x": (None, 350), "2x": (None, 260), "4x": (None, 160)} - technology_timings = _TechnologyTimings(tREFI=trefi, tWTR=( - 4, 7.5), tCCD=(4, None), tRRD=(4, 4.9), tZQCS=(128, 80)) - speedgrade_timings = { - "2400": _SpeedgradeTimings(tRP=13.32, tRCD=13.32, tWR=15, tRFC=trfc, tFAW=(20, 25), tRAS=32), - } - speedgrade_timings["default"] = speedgrade_timings["2400"]