From 081a8a3ba8bfe036f31da53f9c041a2caa30fce2 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 5 May 2024 17:34:22 -0600
Subject: rtl/legacy_gfx: rename gfx -> legacy_gfx

---
 rtl/gfx/gfx_fold_flow.sv | 61 ------------------------------------------------
 1 file changed, 61 deletions(-)
 delete mode 100644 rtl/gfx/gfx_fold_flow.sv

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

diff --git a/rtl/gfx/gfx_fold_flow.sv b/rtl/gfx/gfx_fold_flow.sv
deleted file mode 100644
index 8f23b8f..0000000
--- a/rtl/gfx/gfx_fold_flow.sv
+++ /dev/null
@@ -1,61 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_fold_flow
-(
-	input  logic  clk,
-	              rst_n,
-
-	input  logic  in_valid,
-	              out_ready,
-
-	output logic  in_ready,
-	              out_valid,
-	              stall,
-	              feedback,
-	              feedback_last
-);
-
-	logic skid_ready;
-	index4 rounds[`FP_ADD_STAGES], last_round;
-
-	assign in_ready = skid_ready && !feedback;
-
-	assign feedback = last_round[1] ^ last_round[0];
-	assign feedback_last = last_round[1];
-
-	assign last_round = rounds[`FP_ADD_STAGES - 1];
-
-	gfx_skid_flow skid
-	(
-		.in_valid(last_round == `INDEX4_MAX),
-		.in_ready(skid_ready),
-		.*
-	);
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (!rst_n)
-			rounds[0] <= `INDEX4_MIN;
-		else if (!stall)
-			unique case (last_round)
-				2'b01:
-					rounds[0] <= 2'b10;
-
-				2'b10: 
-					rounds[0] <= 2'b11;
-
-				2'b00, 2'b11:
-					rounds[0] <= {1'b0, in_valid};
-			endcase
-
-	genvar i;
-	generate
-		for (i = 1; i < `FP_ADD_STAGES; ++i) begin: pipeline
-			always_ff @(posedge clk or negedge rst_n)
-				if (!rst_n)
-					rounds[i] <= `INDEX4_MIN;
-				else if (!stall)
-					rounds[i] <= rounds[i - 1];
-		end
-	endgenerate
-
-endmodule
-- 
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