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[/] [versatile_library/] [trunk/] [bench/] [tb_wb_cache.v] - Rev 104
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module vl_wb_cache_tb (); wire [31:0] wbm_a_dat_o; wire [3:0] wbm_a_sel_o; wire [31:0] wbm_a_adr_o; wire [2:0] wbm_a_cti_o; wire [1:0] wbm_a_bte_o; wire wbm_a_we_o ; wire wbm_a_cyc_o; wire wbm_a_stb_o; wire [31:0] wbm_a_dat_i; wire wbm_a_ack_i; reg wbm_a_clk ; reg wbm_a_rst ; wire [31:0] wbm_b_dat_o; wire [3:0] wbm_b_sel_o; wire [31:0] wbm_b_adr_o; wire [2:0] wbm_b_cti_o; wire [1:0] wbm_b_bte_o; wire wbm_b_we_o ; wire wbm_b_cyc_o; wire wbm_b_stb_o; wire [31:0] wbm_b_dat_i; wire wbm_b_ack_i; wire wbm_b_stall_i; reg wbm_b_clk ; reg wbm_b_rst ; parameter wb_clk_period = 20; parameter [1:0] linear = 2'b00, beat4 = 2'b01, beat8 = 2'b10, beat16 = 2'b11; parameter [2:0] classic = 3'b000, inc = 3'b010, eob = 3'b111; parameter rd = 1'b0; parameter wr = 1'b1; parameter instructions = 32; // {adr_o,bte_o,cti_o,dat_o,sel_o,we_o,cyc_o,stb_o} parameter [32+2+3+32+4+1+1+1:1] inst_rom0 [0:instructions-1]= { {32'h0,linear,classic,32'h0,4'b1111,rd,1'b0,1'b0}, {32'h100,linear,classic,32'h12345678,4'b1111,wr,1'b1,1'b1}, // write 0x12345678 @ 0x100 {32'h100,linear,classic,32'h0,4'b1111,rd,1'b1,1'b1}, // read @ 0x100 {32'h1100,beat4,eob,32'h87654321,4'b1111,wr,1'b1,1'b1}, // write 0x87654321 @ 0x1100 with 01,111 {32'h1100,linear,classic,32'h0,4'b1111,rd,1'b1,1'b1}, // read @ 0x1100 {32'h0,linear,classic,32'h0,4'b1111,rd,1'b0,1'b0}, {32'h100,beat4,inc,32'h00010002,4'b1111,wr,1'b1,1'b1}, // write burst @ 0x100 {32'h104,beat4,inc,32'h00030004,4'b1111,wr,1'b1,1'b1}, {32'h108,beat4,inc,32'h00050006,4'b1111,wr,1'b1,1'b1}, {32'h10c,beat4,eob,32'h00070008,4'b1111,wr,1'b1,1'b1}, {32'h104,linear,classic,32'hA1FFFFFF,4'b1000,wr,1'b1,1'b1}, // write byte a1 @ 104 {32'h108,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, // read burst {32'h10c,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h100,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h104,beat4,eob,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h100,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, // read burst with strobe going low once {32'h104,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h104,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b0}, {32'h108,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h10c,beat4,eob,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h100,linear,inc,32'hdeaddead,4'b1111,1'b1,1'b1,1'b1}, // write {32'h104,linear,eob,32'h55555555,4'b1111,1'b1,1'b1,1'b1}, // {32'h100,linear,inc,32'h0,4'b1111,1'b0,1'b1,1'b1}, // read {32'h104,linear,eob,32'h0,4'b1111,1'b0,1'b1,1'b1}, // read {32'h100,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, // read burst with strobe going low {32'h104,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b0}, {32'h104,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h108,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h108,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b0}, {32'h10c,beat4,inc,32'h0,4'b1111,rd,1'b1,1'b0}, {32'h10c,beat4,eob,32'h0,4'b1111,rd,1'b1,1'b1}, {32'h0,linear,classic,32'h0,4'b1111,rd,1'b0,1'b0}}; parameter [31:0] dat0 [0:instructions-1] = { 32'h0, 32'h0, 32'h0, 32'h12345678, 32'h0, 32'h87654321, 32'h0, 32'h0, 32'h0, 32'h0, 32'h0, 32'h0, 32'h00050006, 32'h00070008, 32'h00010002, 32'ha1030004, 32'h00010002, 32'ha1030004, 32'h0, 32'h00050006, 32'h00070008, 32'h0, 32'h0, 32'hdeaddead, 32'h55555555, 32'hdeaddead, 32'h0, 32'h55555555, 32'h00050006, 32'h0, 32'h0, 32'h00070008}; vl_wb_cache # ( .dw_s(32), .aw_s(16), .dw_m(32), .wbs_max_burst_width(4), .wbm_burst_size(4), .aw_offset(2), .aw_slot(5), .valid_mem(1), .async(1), .debug(0)) dut ( .wbs_dat_i(wbm_a_dat_o), .wbs_adr_i(wbm_a_adr_o[17:2]), .wbs_sel_i(wbm_a_sel_o), .wbs_cti_i(wbm_a_cti_o), .wbs_bte_i(wbm_a_bte_o), .wbs_we_i(wbm_a_we_o), .wbs_stb_i(wbm_a_stb_o), .wbs_cyc_i(wbm_a_cyc_o), .wbs_dat_o(wbm_a_dat_i), .wbs_ack_o(wbm_a_ack_i), .wbs_clk(wbm_a_clk), .wbs_rst(wbm_a_rst), .wbm_dat_o(wbm_b_dat_o), .wbm_adr_o(wbm_b_adr_o[17:2]), .wbm_sel_o(wbm_b_sel_o), .wbm_cti_o(wbm_b_cti_o), .wbm_bte_o(wbm_b_bte_o), .wbm_we_o(wbm_b_we_o), .wbm_stb_o(wbm_b_stb_o), .wbm_cyc_o(wbm_b_cyc_o), .wbm_dat_i(wbm_b_dat_i), .wbm_ack_i(wbm_b_ack_i), .wbm_stall_i(wbm_b_stall_i), .wbm_clk(wbm_b_clk), .wbm_rst(wbm_b_rst)); assign wbm_b_adr_o[31:18] = 14'h00; assign wbm_b_adr_o[1:0] = 2'b00; wbm # ( .inst_rom(inst_rom0), .dat(dat0), .testcase("\nTest case:\nwb_b3_dpram A side\n")) wbmi0( .adr_o(wbm_a_adr_o), .bte_o(wbm_a_bte_o), .cti_o(wbm_a_cti_o), .dat_o(wbm_a_dat_o), .sel_o(wbm_a_sel_o), .we_o (wbm_a_we_o), .cyc_o(wbm_a_cyc_o), .stb_o(wbm_a_stb_o), .dat_i(wbm_a_dat_i), .ack_i(wbm_a_ack_i), .clk(wbm_a_clk), .reset(wbm_a_rst), .OK(wbm_OK) ); vl_wb_ram # ( .dat_width(32), .adr_width(16), .memory_init(2), .mode("B4")) main_mem ( .wbs_dat_i(wbm_b_dat_o), .wbs_adr_i(wbm_b_adr_o[17:2]), .wbs_sel_i(wbm_b_sel_o), .wbs_we_i (wbm_b_we_o), .wbs_bte_i(wbm_b_bte_o), .wbs_cti_i(wbm_b_cti_o), .wbs_stb_i(wbm_b_stb_o), .wbs_cyc_i(wbm_b_cyc_o), .wbs_dat_o(wbm_b_dat_i), .wbs_stall_o(wbm_b_stall_i), .wbs_ack_o(wbm_b_ack_i), .wb_clk(wbm_b_clk), .wb_rst(wbm_b_rst)); initial begin #0 wbm_a_rst = 1'b1; #200 wbm_a_rst = 1'b0; end // Wishbone clock initial begin #0 wbm_a_clk = 1'b0; forever #(wb_clk_period/2) wbm_a_clk = !wbm_a_clk; end initial begin #0 wbm_b_rst = 1'b1; #200 wbm_b_rst = 1'b0; end // Wishbone clock initial begin #0 wbm_b_clk = 1'b0; forever #(wb_clk_period/5) wbm_b_clk = !wbm_b_clk; end initial #20000 $finish; endmodule
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