X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fsoc%2Flitex%2Fflorent%2Fsim.py;h=d3687aa4515fa6ecaee22d406e59e50ac0f3bfba;hb=aabc5a72500b60117c026e36525afaa313769d7f;hp=c797a43d8ba56d698e624ac7a0dc152f31226fe6;hpb=7ee85320fbb58afe83fb1bddf4bbbf229c3814e3;p=soc.git

diff --git a/src/soc/litex/florent/sim.py b/src/soc/litex/florent/sim.py
index c797a43d..d3687aa4 100755
--- a/src/soc/litex/florent/sim.py
+++ b/src/soc/litex/florent/sim.py
@@ -32,7 +32,8 @@ SoCCSRHandler.supported_address_width.append(12)
 # LibreSoCSim -----------------------------------------------------------------
 
 class LibreSoCSim(SoCSDRAM):
-    def __init__(self, cpu="libresoc", debug=False, with_sdram=True,
+    def __init__(self, cpu="libresoc", variant="standardjtag", debug=False,
+            with_sdram=True,
             sdram_module          = "AS4C16M16",
             #sdram_data_width      = 16,
             #sdram_module          = "MT48LC16M16",
@@ -43,14 +44,6 @@ class LibreSoCSim(SoCSDRAM):
         platform     = Platform()
         sys_clk_freq = int(100e6)
 
-        #cpu_data_width = 32
-        cpu_data_width = 64
-
-        if cpu_data_width == 32:
-            variant = "standard32"
-        else:
-            variant = "standardjtag"
-
         #ram_fname = "/home/lkcl/src/libresoc/microwatt/" \
         #            "hello_world/hello_world.bin"
         #ram_fname = "/home/lkcl/src/libresoc/microwatt/" \
@@ -124,6 +117,7 @@ class LibreSoCSim(SoCSDRAM):
             ics_region = SoCRegion(origin=ics_addr, size=0x1000, cached=False)
             self.bus.add_slave(name='ics', slave=ics_wb, region=ics_region)
 
+        if "gpio" in variant:
             # Simple GPIO peripheral
             gpio_addr = self.mem_map['gpio']
             gpio_wb = self.cpu.simple_gpio
@@ -451,6 +445,8 @@ def main():
     parser = argparse.ArgumentParser(description="LiteX LibreSoC CPU Sim")
     parser.add_argument("--cpu",          default="libresoc",
                         help="CPU to use: libresoc (default) or microwatt")
+    parser.add_argument("--variant",      default="standardjtag",
+                        help="Specify variant with different features")
     parser.add_argument("--debug",        action="store_true",
                         help="Enable debug traces")
     parser.add_argument("--trace",        action="store_true",
@@ -466,7 +462,7 @@ def main():
     sim_config.add_module("jtagremote", "jtag", args={'port': 44853})
 
     for i in range(2):
-        soc = LibreSoCSim(cpu=args.cpu, debug=args.debug)
+        soc = LibreSoCSim(cpu=args.cpu, debug=args.debug, variant=args.variant)
         builder = Builder(soc,compile_gateware = i!=0)
         builder.build(sim_config=sim_config,
             run         = i!=0,