sdram: disable by default bandwidth_measurement on lasmicon

misoclib/mem/sdram/core/__init__.py

@@ -7,14 +7,14 @@ from misoclib.mem.sdram.core import minicon, lasmicon
 from misoclib.mem.sdram.core.lasmicon.crossbar import Crossbar
 
 class SDRAMCore(Module, AutoCSR):
-	def __init__(self, phy, ramcon_type, sdram_geom, sdram_timing):
+	def __init__(self, phy, ramcon_type, sdram_geom, sdram_timing, **kwargs):
 		# DFI
 		self.submodules.dfii = dfii.DFIInjector(phy, sdram_geom.mux_a, sdram_geom.bank_a)
 		self.comb += Record.connect(self.dfii.master, phy.dfi)
 
 		# LASMICON
 		if ramcon_type == "lasmicon":
-			self.submodules.controller = controller = lasmicon.LASMIcon(phy, sdram_geom, sdram_timing)
+			self.submodules.controller = controller = lasmicon.LASMIcon(phy, sdram_geom, sdram_timing, **kwargs)
 			self.comb += Record.connect(controller.dfi, self.dfii.slave)
 
 			self.submodules.crossbar = crossbar = Crossbar([controller.lasmic], controller.nrowbits)

misoclib/mem/sdram/core/lasmicon/__init__.py

@@ -6,7 +6,7 @@ from misoclib.mem.sdram.core.lasmicon.bankmachine import *
 from misoclib.mem.sdram.core.lasmicon.multiplexer import *
 
 class LASMIcon(Module):
-	def __init__(self, phy, geom_settings, timing_settings):
+	def __init__(self, phy, geom_settings, timing_settings, **kwargs):
 		if phy.settings.memtype in ["SDR"]:
 			burst_length = phy.settings.nphases*1 # command multiplication*SDR
 		elif phy.settings.memtype in ["DDR", "LPDDR", "DDR2", "DDR3"]:
@@ -35,7 +35,8 @@ class LASMIcon(Module):
 			for i in range(2**geom_settings.bank_a)]
 		self.submodules.multiplexer = Multiplexer(phy, geom_settings, timing_settings,
 			self.bank_machines, self.refresher,
-			self.dfi, self.lasmic)
+			self.dfi, self.lasmic,
+			**kwargs)
 
 	def get_csrs(self):
 		return self.multiplexer.get_csrs()

misoclib/mem/sdram/core/lasmicon/multiplexer.py

@@ -89,7 +89,8 @@ class _Steerer(Module):
 			]
 
 class Multiplexer(Module, AutoCSR):
-	def __init__(self, phy, geom_settings, timing_settings, bank_machines, refresher, dfi, lasmic):
+	def __init__(self, phy, geom_settings, timing_settings, bank_machines, refresher, dfi, lasmic,
+			with_bandwidth_measurement=False):
 		assert(phy.settings.nphases == len(dfi.phases))
 
 		# Command choosing
@@ -211,4 +212,5 @@ class Multiplexer(Module, AutoCSR):
 		fsm.finalize()
 		self.comb += refresher.ack.eq(fsm.state == fsm.encoding["REFRESH"])
 
+		if with_bandwidth_measurement:
 			self.submodules.bandwidth = Bandwidth(choose_req.cmd)