From: Sebastien Bourdeauducq Date: Fri, 30 Mar 2012 14:41:12 +0000 (+0200) Subject: tb: remove obsolete norflash test bench X-Git-Tag: 24jan2021_ls180~3206 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bccc5f5c21db469f44e8dd4241c40d73081f12e3;p=litex.git tb: remove obsolete norflash test bench --- diff --git a/tb/norflash/Makefile b/tb/norflash/Makefile deleted file mode 100644 index 572800ed..00000000 --- a/tb/norflash/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -SOURCES=tb_norflash.v norflash.v - -all: tb_norflash - -isim: tb_norflash - ./tb_norflash - -cversim: $(SOURCES) - cver $(SOURCES) - -norflash.v: norflash_conv.py - python3 norflash_conv.py > norflash.v - -clean: - rm -f tb_norflash verilog.log norflash.vcd norflash.v - -tb_norflash: $(SOURCES) - iverilog -o tb_norflash $(SOURCES) - -.PHONY: clean sim cversim diff --git a/tb/norflash/norflash_conv.py b/tb/norflash/norflash_conv.py deleted file mode 100644 index c44eec5e..00000000 --- a/tb/norflash/norflash_conv.py +++ /dev/null @@ -1,10 +0,0 @@ -from migen.fhdl import verilog -from migen.bus import wishbone - -from milkymist import norflash - -norflash0 = norflash.Inst(25, 12) -frag = norflash0.get_fragment() -v = verilog.convert(frag, name="norflash", - ios={norflash0.bus.cyc_i, norflash0.bus.stb_i, norflash0.bus.we_i, norflash0.bus.adr_i, norflash0.bus.sel_i, norflash0.bus.dat_i, norflash0.bus.dat_o, norflash0.bus.ack_o}) -print(v) diff --git a/tb/norflash/tb_norflash.v b/tb/norflash/tb_norflash.v deleted file mode 100644 index 02599fa1..00000000 --- a/tb/norflash/tb_norflash.v +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Milkymist SoC - * Copyright (C) 2007, 2008, 2009, 2010, 2011 Sebastien Bourdeauducq - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 3 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -`timescale 1ns / 1ps - -module tb_norflash(); - -reg sys_clk; -reg sys_rst; - -reg [31:0] wb_adr_i; -wire [31:0] wb_dat_o; -reg wb_cyc_i; -reg wb_stb_i; -wire wb_ack_o; -reg [3:0] wb_sel_i; - -wire [23:0] flash_adr; -wire [15:0] flash_d; -reg [15:0] flash_do; - -always @(flash_adr) #110 flash_do <= flash_adr[15:0] + 16'b1; - -norflash dut( - .sys_clk(sys_clk), - .sys_rst(sys_rst), - - .wishbone_norflash_adr_i(wb_adr_i), - .wishbone_norflash_dat_o(wb_dat_o), - .wishbone_norflash_cyc_i(wb_cyc_i), - .wishbone_norflash_stb_i(wb_stb_i), - .wishbone_norflash_ack_o(wb_ack_o), - .wishbone_norflash_sel_i(wb_sel_i), - - .norflash_adr(flash_adr), - .norflash_d(flash_d), - .norflash_oe_n(flash_oe_n), - .norflash_we_n(flash_we_n) -); - -//assign flash_d = flash_oe_n ? 16'bz : flash_do; -assign flash_d = flash_do; - -task wbread; - input [31:0] address; - integer i; - begin - wb_adr_i <= address; - wb_cyc_i <= 1'b1; - wb_stb_i <= 1'b1; - - i = 1; - while(~wb_ack_o) begin - #5 sys_clk <= 1'b1; - #5 sys_clk <= 1'b0; - i = i + 1; - end - - $display("Read address %h completed in %d cycles, result %h", address, i, wb_dat_o); - - wb_cyc_i <= 1'b0; - wb_stb_i <= 1'b0; - - /* Let the core release its ack */ - #5 sys_clk <= 1'b1; - #5 sys_clk <= 1'b0; - end -endtask - -initial begin - $dumpfile("norflash.vcd"); - $dumpvars(1, dut); - - sys_rst <= 1'b1; - sys_clk <= 1'b0; - - wb_adr_i <= 32'h00000000; - wb_cyc_i <= 1'b0; - wb_stb_i <= 1'b0; - wb_sel_i <= 4'b1111; - - #5 sys_clk <= 1'b1; - #5 sys_clk <= 1'b0; - - sys_rst <= 1'b0; - #5 sys_clk <= 1'b1; - #5 sys_clk <= 1'b0; - - wbread(32'h00000000); - wbread(32'h00000004); - - wb_sel_i = 4'b0010; - wbread(32'h0000fff1); - - wb_sel_i = 4'b0100; - wbread(32'h0000fff2); - - wb_sel_i = 4'b1000; - wbread(32'h0000fff3); - - wb_sel_i = 4'b0100; - wbread(32'h0000fff0); - - wb_sel_i = 4'b1111; - wbread(32'h00000010); - #5 sys_clk = 1'b1; - #5 sys_clk = 1'b0; - #5 sys_clk = 1'b1; - #5 sys_clk = 1'b0; - wbread(32'h00000040); - - $finish; -end - -endmodule