From d84718bf7955a6bba03aa44938f0f140c1a6390d Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sat, 21 Oct 2023 03:21:18 -0600
Subject: rtl/gfx: implement non-synthesizable matrix multiplier

---
 rtl/gfx/pipelined_flow.sv | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 rtl/gfx/pipelined_flow.sv

(limited to 'rtl/gfx/pipelined_flow.sv')

diff --git a/rtl/gfx/pipelined_flow.sv b/rtl/gfx/pipelined_flow.sv
new file mode 100644
index 0000000..1e3c1ce
--- /dev/null
+++ b/rtl/gfx/pipelined_flow.sv
@@ -0,0 +1,26 @@
+module pipelined_flow
+#(parameter STAGES=0)
+(
+	input  logic clk,
+	             rst_n,
+
+	input  logic start,
+	output logic done
+);
+
+	logic valid[STAGES];
+
+	assign done = valid[STAGES - 1];
+
+	always_ff @(posedge clk or negedge rst_n)
+		valid[0] <= !rst_n ? 0 : start;
+
+	genvar i;
+	generate
+		for (i = 1; i < STAGES; ++i) begin: pipeline
+			always_ff @(posedge clk or negedge rst_n)
+				valid[i] <= !rst_n ? 0 : valid[i - 1];
+		end
+	endgenerate
+
+endmodule
-- 
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