1 files changed, 0 insertions, 98 deletions
diff --git a/rtl/gfx/gfx_fifo.sv b/rtl/gfx/gfx_fifo.sv
deleted file mode 100644
index e9fa8f5..0000000
--- a/rtl/gfx/gfx_fifo.sv
+++ /dev/null
@@ -1,98 +0,0 @@
-module gfx_fifo
-#(parameter WIDTH=0, DEPTH=0)
-(
-	input  logic              clk,
-	                          rst_n,
-
-	input  logic[WIDTH - 1:0] in,
-	input  logic              in_valid,
-	output logic              in_ready,
-
-	input  logic              out_ready,
-	output logic              out_valid,
-	output logic[WIDTH - 1:0] out
-);
-
-	logic do_read, do_write, full_if_eq, in_stall, out_stall,
-	      may_read, may_write, read, read_ok, write;
-
-	logic[WIDTH - 1:0] fifo[DEPTH], read_data, write_data;
-	logic[$clog2(DEPTH) - 1:0] read_ptr, write_ptr;
-
-	assign do_read = read && may_read;
-	assign do_write = write && may_write;
-
-	always_comb begin
-		may_read = full_if_eq;
-		may_write = !full_if_eq;
-
-		if (read)
-			may_write = 1;
-
-		if (read_ptr != write_ptr) begin
-			may_read = 1;
-			may_write = 1;
-		end
-	end
-
-	gfx_skid_flow in_flow
-	(
-		.stall(in_stall),
-		.out_ready(may_write),
-		.out_valid(write),
-		.*
-	);
-
-	gfx_skid_flow out_flow
-	(
-		.stall(out_stall),
-		.in_ready(read),
-		.in_valid(read_ok),
-		.*
-	);
-
-	gfx_skid_buf #(.WIDTH(WIDTH)) in_skid
-	(
-		.out(write_data),
-		.stall(in_stall),
-		.*
-	);
-
-	gfx_skid_buf #(.WIDTH(WIDTH)) out_skid
-	(
-		.in(read_data),
-		.stall(out_stall),
-		.*
-	);
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (!rst_n) begin
-			read_ok <= 0;
-			read_ptr <= 0;
-			write_ptr <= 0;
-			full_if_eq <= 0;
-		end else begin
-			if (!out_stall)
-				read_ok <= read && may_read;
-
-			if (do_read)
-				read_ptr <= read_ptr + 1;
-
-			if (do_write)
-				write_ptr <= write_ptr + 1;
-
-			if (do_read && !do_write)
-				full_if_eq <= 0;
-			else if (!do_read && do_write)
-				full_if_eq <= 1;
-		end
-
-	always_ff @(posedge clk) begin
-		if (!out_stall)
-			read_data <= fifo[read_ptr];
-
-		if (may_write)
-			fifo[write_ptr] <= write_data;
-	end
-
-endmodule