soc: remove with_wishbone (a SoC always always has a Bus) and expose more bus parameters.

diff --git a/litex/soc/integration/soc.py b/litex/soc/integration/soc.py
index c6cc1e0f89f82b6bb408caed5e38a9563a097030..64819fcad0b9332b9eda3d9e1610afd78eeebf99 100644 (file)
--- a/litex/soc/integration/soc.py
+++ b/litex/soc/integration/soc.py
@@ -758,8 +758,8 @@ class SoC(Module):
     def add_csr_bridge(self, origin):
         self.submodules.csr_bridge = wishbone2csr.WB2CSR(
             bus_csr       = csr_bus.Interface(
-            address_width = self.csr.address_width,
-            data_width    = self.csr.data_width))
+                address_width = self.csr.address_width,
+                data_width    = self.csr.data_width))
         csr_size   = 2**(self.csr.address_width + 2)
         csr_region = SoCRegion(origin=origin, size=csr_size, cached=False)
         self.bus.add_slave("csr", self.csr_bridge.wishbone, csr_region)

diff --git a/litex/soc/integration/soc_core.py b/litex/soc/integration/soc_core.py
index f61555a313801b3b712b91d1db0fcf9da718c5be..68499ad2bbbb937bb3cc35ba9e1c5278707a99fd 100644 (file)
--- a/litex/soc/integration/soc_core.py
+++ b/litex/soc/integration/soc_core.py
@@ -61,6 +61,11 @@ class SoCCore(LiteXSoC):
     }
 
     def __init__(self, platform, clk_freq,
+        # Bus parameters
+        bus_standard             = "wishbone",
+        bus_data_width           = 32,
+        bus_address_width        = 32,
+        bus_timeout              = 1e6,
         # CPU parameters
         cpu_type                 = "vexriscv",
         cpu_reset_address        = None,
@@ -92,18 +97,15 @@ class SoCCore(LiteXSoC):
         with_timer               = True,
         # Controller parameters
         with_ctrl                = True,
-        # Wishbone parameters
-        with_wishbone            = True,
-        wishbone_timeout_cycles  = 1e6,
         # Others
         **kwargs):
 
         # New LiteXSoC class ----------------------------------------------------------------------------
         LiteXSoC.__init__(self, platform, clk_freq,
-            bus_standard         = "wishbone",
-            bus_data_width       = 32,
-            bus_address_width    = 32,
-            bus_timeout          = wishbone_timeout_cycles,
+            bus_standard         = bus_standard,
+            bus_data_width       = bus_data_width,
+            bus_address_width    = bus_address_width,
+            bus_timeout          = bus_timeout,
             bus_reserved_regions = {},
 
             csr_data_width       = csr_data_width,
@@ -127,9 +129,6 @@ class SoCCore(LiteXSoC):
         cpu_reset_address = None if cpu_reset_address == "None" else cpu_reset_address
         cpu_variant = cpu.check_format_cpu_variant(cpu_variant)
 
-        if not with_wishbone:
-            self.mem_map["csr"]  = 0x00000000
-
         self.cpu_type                   = cpu_type
         self.cpu_variant                = cpu_variant
         self.cpu_cls                    = cpu_cls
@@ -141,9 +140,6 @@ class SoCCore(LiteXSoC):
 
         self.csr_data_width             = csr_data_width
 
-        self.with_wishbone              = with_wishbone
-        self.wishbone_timeout_cycles    = wishbone_timeout_cycles
-
         self.wb_slaves = {}
 
         # Modules instances ------------------------------------------------------------------------
@@ -187,9 +183,8 @@ class SoCCore(LiteXSoC):
         if with_timer:
             self.add_timer(name="timer0")
 
-        # Add Wishbone to CSR bridge
-        if with_wishbone:
-            self.add_csr_bridge(self.mem_map["csr"])
+        # Add CSR bridge
+        self.add_csr_bridge(self.mem_map["csr"])
 
     # Methods --------------------------------------------------------------------------------------