From ca02833f22b08ceeeff501107371aa6667426115 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 5 May 2024 17:38:55 -0600
Subject: rtl/gfx: rename platform/wavelet3d -> rtl/gfx

---
 platform/wavelet3d/gfx_fixed_muladd.sv | 77 ----------------------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 platform/wavelet3d/gfx_fixed_muladd.sv

(limited to 'platform/wavelet3d/gfx_fixed_muladd.sv')

diff --git a/platform/wavelet3d/gfx_fixed_muladd.sv b/platform/wavelet3d/gfx_fixed_muladd.sv
deleted file mode 100644
index 22b7247..0000000
--- a/platform/wavelet3d/gfx_fixed_muladd.sv
+++ /dev/null
@@ -1,77 +0,0 @@
-module gfx_fixed_muladd
-(
-	input  logic      clk,
-
-	input  gfx::fixed a,
-	                  b,
-	                  c,
-	input  logic      stall,
-
-	output gfx::fixed q
-);
-
-	import gfx::*;
-
-`ifndef VERILATOR
-	logic[2 * $bits(fixed) - $bits(fixed_frac) - 1:0] q_ext;
-
-	assign q = q_ext[$bits(fixed) - 1:0];
-
-	lpm_mult mult
-	(
-		.aclr(0),
-		.clock(clk),
-		.clken(!stall),
-
-		.sum({c, {`FIXED_FRAC{1'b0}}}),
-		.dataa(a),
-		.datab(b),
-		.result(q_ext)
-	);
-
-	defparam
-		mult.lpm_widtha         = $bits(fixed),
-		mult.lpm_widthb         = $bits(fixed),
-		mult.lpm_widths         = $bits(fixed) + $bits(fixed_frac),
-		/* Esto es crucial. No está documentado en ningún lado (aparte de un
-		 * comentario en r/fpga). Si lpm_widthp < lpm_widtha + lpm_widthb,
-		 * entonces result contiene los lpm_widthp bits más significativos
-		 * del producto, no los menos significativos como tendría sentido.
-		 */
-		mult.lpm_widthp         = 2 * $bits(fixed) - $bits(fixed_frac),
-		mult.lpm_representation = "SIGNED",
-		mult.lpm_pipeline       = FIXED_MULADD_DEPTH;
-`else
-	logic[$bits(fixed) + $bits(fixed_frac) - 1:0] q_ext;
-
-	fixed a_hold, b_hold, c_hold;
-
-	assign q = q_ext[$bits(fixed) + $bits(fixed_frac) - 1:$bits(fixed_frac)] + c_hold;
-	assign q_ext = a_hold * b_hold;
-
-	gfx_pipes #(.WIDTH($bits(a)), .DEPTH(FIXED_MULADD_DEPTH)) a_pipes
-	(
-		.clk,
-		.in(a),
-		.out(a_hold),
-		.stall
-	);
-
-	gfx_pipes #(.WIDTH($bits(b)), .DEPTH(FIXED_MULADD_DEPTH)) b_pipes
-	(
-		.clk,
-		.in(b),
-		.out(b_hold),
-		.stall
-	);
-
-	gfx_pipes #(.WIDTH($bits(c)), .DEPTH(FIXED_MULADD_DEPTH)) c_pipes
-	(
-		.clk,
-		.in(c),
-		.out(c_hold),
-		.stall
-	);
-`endif
-
-endmodule
-- 
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