From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Thu, 8 Dec 2011 17:47:41 +0000 (+0100)
Subject: Wishbone declarations
X-Git-Tag: 24jan2021_ls180~2099^2~1171
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c43f3da534ab258767815b53cd40ce3bf514ff63;p=litex.git

Wishbone declarations
---

diff --git a/migen/bus/wishbone.py b/migen/bus/wishbone.py
new file mode 100644
index 00000000..cb08762f
--- /dev/null
+++ b/migen/bus/wishbone.py
@@ -0,0 +1,23 @@
+from migen.fhdl import structure as f
+from .simple import Simple
+
+_desc = [
+	(True,	"adr",	32),
+	(True,	"dat",	32),
+	(False,	"dat",	32),
+	(True,	"cyc",	1),
+	(True,	"stb",	1),
+	(False,	"ack",	1),
+	(True,	"we",	1),
+	(True,	"cti",	3),
+	(True,	"bte",	2),
+	(False,	"err",	1)
+]
+
+class Master(Simple):
+	def __init__(self):
+		Simple.__init__(self, _desc, False)
+
+class Slave(Simple):
+	def __init__(self):
+		Simple.__init__(self, _desc, True)