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_sp_widener.sv | 63 -----------------------------------------------
 1 file changed, 63 deletions(-)
 delete mode 100644 rtl/gfx/gfx_sp_widener.sv

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

diff --git a/rtl/gfx/gfx_sp_widener.sv b/rtl/gfx/gfx_sp_widener.sv
deleted file mode 100644
index 92101ca..0000000
--- a/rtl/gfx/gfx_sp_widener.sv
+++ /dev/null
@@ -1,63 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_sp_widener
-#(parameter WIDTH=0) // Quartus no soporta 'parameter type'
-(
-	input  logic                   clk,
-	                               rst_n,
-
-	input  logic                   word_waitrequest,
-	                               word_readdatavalid,
-	input  vram_word               word_readdata,
-	output vram_addr               word_address,
-	output logic                   word_read,
-
-	input  logic                   wide_read,
-	input  logic[WIDTH - 1:0]      wide_address,
-	output logic                   wide_waitrequest,
-	                               wide_readdatavalid,
-
-	output logic[DATA_WIDTH - 1:0] wide_readdata
-);
-
-	// Este módulo existe para fingir que la DE1-SoC tiene un bus de SDRAM más ancho
-
-	localparam WIDE_BITS = $bits(vram_addr) - WIDTH,
-	           WIDE_SIZE = 1 << WIDE_BITS,
-	           DATA_WIDTH = $bits(vram_word) << WIDE_BITS;
-
-	vram_word shift_in[WIDE_SIZE];
-	logic[WIDE_BITS - 1:0] address_count, read_count;
-
-	assign word_read = wide_read;
-	assign word_address = {wide_address, address_count};
-	assign wide_waitrequest = word_waitrequest || !(&address_count);
-
-	always_comb
-		for (integer i = 0; i < WIDE_SIZE; ++i)
-			wide_readdata[$bits(vram_word) * i +: $bits(vram_word)] = shift_in[i];
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (!rst_n) begin
-			read_count <= 0;
-			address_count <= 0;
-			wide_readdatavalid <= 0;
-		end else begin
-			if (word_read && !word_waitrequest)
-				address_count <= address_count + 1;
-
-			if (word_readdatavalid)
-				read_count <= read_count + 1;
-
-			wide_readdatavalid <= word_readdatavalid && &read_count;
-		end
-
-	always_ff @(posedge clk)
-		if (word_readdatavalid) begin
-			for (integer i = 0; i < WIDE_SIZE - 1; ++i)
-				shift_in[i] <= shift_in[i + 1];
-
-			shift_in[WIDE_SIZE - 1] <= word_readdata;
-		end
-
-endmodule
-- 
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