From 638b75fb4c8fdc3c9d3a208f6bd9976841bc0928 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 5 May 2024 18:45:11 -0600
Subject: rtl/if_common: initial commit, moved out of gfx

---
 rtl/if_common/if_axib.sv | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 rtl/if_common/if_axib.sv

(limited to 'rtl/if_common/if_axib.sv')

diff --git a/rtl/if_common/if_axib.sv b/rtl/if_common/if_axib.sv
new file mode 100644
index 0000000..6db8518
--- /dev/null
+++ b/rtl/if_common/if_axib.sv
@@ -0,0 +1,80 @@
+// AXI4 con burst
+interface if_axib
+#(int WIDTH = 32);
+
+	logic              awvalid,
+	                   awready;
+	logic[7:0]         awlen;
+	logic[1:0]         awburst;
+	logic[WIDTH - 1:0] awaddr;
+
+	logic              wlast;
+	logic              wvalid;
+	logic              wready;
+	logic[WIDTH - 1:0] wdata;
+
+	logic bvalid;
+	logic bready;
+
+	logic              arvalid,
+	                   arready;
+	logic[7:0]         arlen;
+	logic[1:0]         arburst;
+	logic[WIDTH - 1:0] araddr;
+
+	logic              rlast;
+	logic              rvalid;
+	logic              rready;
+	logic[WIDTH - 1:0] rdata;
+
+	modport m
+	(
+		input  awready,
+		       wready,
+		       bvalid,
+		       arready,
+		       rlast,
+		       rvalid,
+		       rdata,
+
+		output awlen,
+		       awburst,
+		       awvalid,
+		       awaddr,
+		       wlast,
+		       wvalid,
+		       wdata,
+		       bready,
+		       arlen,
+		       arburst,
+		       arvalid,
+		       araddr,
+		       rready
+	);
+
+	modport s
+	(
+		input  awlen,
+		       awburst,
+		       awvalid,
+		       awaddr,
+		       wlast,
+		       wvalid,
+		       wdata,
+		       bready,
+		       arlen,
+		       arburst,
+		       arvalid,
+		       araddr,
+		       rready,
+
+		output awready,
+		       wready,
+		       bvalid,
+		       arready,
+		       rlast,
+		       rvalid,
+		       rdata
+	);
+
+endinterface
-- 
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