From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sat, 2 May 2015 14:15:08 +0000 (+0200)
Subject: litescope/frontend/wishbone: add support for packetized mode
X-Git-Tag: 24jan2021_ls180~2268
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1761bfba8a3eff7b7399e7c856ec1d0e55f16ce7;p=litex.git

litescope/frontend/wishbone: add support for packetized mode
---

diff --git a/misoclib/tools/litescope/frontend/wishbone.py b/misoclib/tools/litescope/frontend/wishbone.py
index 7937498f..e7e00660 100644
--- a/misoclib/tools/litescope/frontend/wishbone.py
+++ b/misoclib/tools/litescope/frontend/wishbone.py
@@ -139,3 +139,11 @@ class LiteScopeWishboneBridge(Module):
                 )
             )
         )
+
+        if phy.sink.description.packetized:
+            self.comb += [
+                phy.sink.sop.eq((byte_counter.value == 0) & (word_counter.value == 0)),
+                phy.sink.eop.eq((byte_counter.value == 3) & (word_counter.value == (length-1)))
+            ]
+            if hasattr(phy.sink, "length"):
+                self.comb += phy.sink.length.eq(4*length)