diff options
Diffstat (limited to 'fpga/usrp2/top/eth_test')
| -rw-r--r-- | fpga/usrp2/top/eth_test/.gitignore | 43 | ||||
| -rw-r--r-- | fpga/usrp2/top/eth_test/eth_sim_top.v | 437 | ||||
| -rw-r--r-- | fpga/usrp2/top/eth_test/eth_tb.v | 257 |
3 files changed, 737 insertions, 0 deletions
diff --git a/fpga/usrp2/top/eth_test/.gitignore b/fpga/usrp2/top/eth_test/.gitignore new file mode 100644 index 000000000..b30397081 --- /dev/null +++ b/fpga/usrp2/top/eth_test/.gitignore @@ -0,0 +1,43 @@ +/xst +/_ngo +/_xmsgs +/*.stx +/*.tspec +/*.xml +/*.gyd +/*.ngr +/*.tim +/*.err +/*.lso +/*.bld +/*.cmd_log +/*.ise_ISE_Backup +/*.mfd +/*.vm6 +/*.syr +/*.xst +/*.csv +/*.html +/*.jed +/*.pad +/*.ng* +/*.pnx +/*.rpt +/*.prj +/*_html +/*_log +/*.lfp +/*.bit +/*.bin +/*.vcd +/*.unroutes +/*.drc +/*_map.* +/*_guide.* +/*.twr +/*.twx +/a.out +/*.xpi +/*_pad.txt +/*.bgn +/*.par diff --git a/fpga/usrp2/top/eth_test/eth_sim_top.v b/fpga/usrp2/top/eth_test/eth_sim_top.v new file mode 100644 index 000000000..640a4e60f --- /dev/null +++ b/fpga/usrp2/top/eth_test/eth_sim_top.v @@ -0,0 +1,437 @@ +////////////////////////////////////////////////////////////////////////////////// +// Module Name: u2_basic +////////////////////////////////////////////////////////////////////////////////// + +module eth_sim_top + (// Clocks + input dsp_clk, + input wb_clk, + output clock_ready, + input clk_to_mac, + input pps_in, + + // Misc, debug + output led1, + output led2, + output [31:0] debug, + output [1:0] debug_clk, + + // Expansion + input exp_pps_in, + output exp_pps_out, + + // GMII + // GMII-CTRL + input GMII_COL, + input GMII_CRS, + + // GMII-TX + output [7:0] GMII_TXD, + output GMII_TX_EN, + output GMII_TX_ER, + output GMII_GTX_CLK, + input GMII_TX_CLK, // 100mbps clk + + // GMII-RX + input [7:0] GMII_RXD, + input GMII_RX_CLK, + input GMII_RX_DV, + input GMII_RX_ER, + + // GMII-Management + inout MDIO, + output MDC, + input PHY_INTn, // open drain + input PHY_RESETn, + input PHY_CLK, // possibly use on-board osc + + // SERDES + output ser_enable, + output ser_prbsen, + output ser_loopen, + output ser_rx_en, + + output ser_tx_clk, + output [15:0] ser_t, + output ser_tklsb, + output ser_tkmsb, + + input ser_rx_clk, + input [15:0] ser_r, + input ser_rklsb, + input ser_rkmsb, + + // CPLD interface + output cpld_start, + output cpld_mode, + output cpld_done, + input cpld_din, + input cpld_clk, + input cpld_detached, + + // ADC + input [13:0] adc_a, + input adc_ovf_a, + output adc_oen_a, + output adc_pdn_a, + + input [13:0] adc_b, + input adc_ovf_b, + output adc_oen_b, + output adc_pdn_b, + + // DAC + output [15:0] dac_a, + output [15:0] dac_b, + + // I2C + input scl_pad_i, + output scl_pad_o, + output scl_pad_oen_o, + input sda_pad_i, + output sda_pad_o, + output sda_pad_oen_o, + + // Clock Gen Control + output [1:0] clk_en, + output [1:0] clk_sel, + input clk_func, // FIXME is an input to control the 9510 + input clk_status, + + // Generic SPI + output sclk, + output mosi, + input miso, + output sen_clk, + output sen_dac, + output sen_tx_db, + output sen_tx_adc, + output sen_tx_dac, + output sen_rx_db, + output sen_rx_adc, + output sen_rx_dac, + + // GPIO to DBoards + inout [15:0] io_tx, + inout [15:0] io_rx + ); + + wire [7:0] set_addr; + wire [31:0] set_data; + wire set_stb; + + wire ram_loader_done; + wire ram_loader_rst, wb_rst, dsp_rst; + + wire [31:0] ser_debug; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + // Wishbone Single Master INTERCON + parameter dw = 32; // Data bus width + parameter aw = 16; // Address bus width, for byte addressibility, 16 = 64K byte memory space + parameter sw = 4; // Select width -- 32-bit data bus with 8-bit granularity. + + wire [dw-1:0] m0_dat_o, m1_dat_o, m0_dat_i, m1_dat_i; + wire [dw-1:0] s0_dat_o, s1_dat_o, s0_dat_i, s1_dat_i, s2_dat_o, s3_dat_o, s2_dat_i, s3_dat_i, + s4_dat_o, s5_dat_o, s4_dat_i, s5_dat_i, s6_dat_o, s7_dat_o, s6_dat_i, s7_dat_i; + wire [aw-1:0] m0_adr, m1_adr, s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr; + wire [sw-1:0] m0_sel, m1_sel, s0_sel, s1_sel, s2_sel, s3_sel, s4_sel, s5_sel, s6_sel, s7_sel; + wire m0_ack, m1_ack, s0_ack, s1_ack, s2_ack, s3_ack, s4_ack, s5_ack, s6_ack, s7_ack; + wire m0_stb, m1_stb, s0_stb, s1_stb, s2_stb, s3_stb, s4_stb, s5_stb, s6_stb, s7_stb; + wire m0_cyc, m1_cyc, s0_cyc, s1_cyc, s2_cyc, s3_cyc, s4_cyc, s5_cyc, s6_cyc, s7_cyc; + wire m0_err, m1_err, s0_err, s1_err, s2_err, s3_err, s4_err, s5_err, s6_err, s7_err; + wire m0_rty, m1_rty, s0_rty, s1_rty, s2_rty, s3_rty, s4_rty, s5_rty, s6_rty, s7_rty; + wire m0_we, m1_we, s0_we, s1_we, s2_we, s3_we, s4_we, s5_we, s6_we, s7_we; + + wb_1master #(.s0_addr_w(2),.s0_addr(2'b00),.s1_addr_w(2),.s1_addr(2'b01), + .s27_addr_w(4),.s2_addr(4'b1000),.s3_addr(4'b1001),.s4_addr(4'b1010), + .s5_addr(4'b1011),.s6_addr(4'b1100),.s7_addr(4'b1101), + .dw(dw),.aw(aw),.sw(sw)) wb_1master + (.clk_i(wb_clk),.rst_i(wb_rst), + + .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i), + .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb), + .s0_dat_o(s0_dat_o),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o (s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb), + .s0_dat_i(s0_dat_i),.s0_ack_i(s0_ack),.s0_err_i(s0_err),.s0_rty_i(s0_rty), + .s1_dat_o(s1_dat_o),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o (s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb), + .s1_dat_i(s1_dat_i),.s1_ack_i(s1_ack),.s1_err_i(s1_err),.s1_rty_i(s1_rty), + .s2_dat_o(s2_dat_o),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o (s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb), + .s2_dat_i(s2_dat_i),.s2_ack_i(s2_ack),.s2_err_i(s2_err),.s2_rty_i(s2_rty), + .s3_dat_o(s3_dat_o),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o (s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb), + .s3_dat_i(s3_dat_i),.s3_ack_i(s3_ack),.s3_err_i(s3_err),.s3_rty_i(s3_rty), + .s4_dat_o(s4_dat_o),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o (s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb), + .s4_dat_i(s4_dat_i),.s4_ack_i(s4_ack),.s4_err_i(s4_err),.s4_rty_i(s4_rty), + .s5_dat_o(s5_dat_o),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o (s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb), + .s5_dat_i(s5_dat_i),.s5_ack_i(s5_ack),.s5_err_i(s5_err),.s5_rty_i(s5_rty), + .s6_dat_o(s6_dat_o),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o (s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb), + .s6_dat_i(s6_dat_i),.s6_ack_i(s6_ack),.s6_err_i(s6_err),.s6_rty_i(s6_rty), + .s7_dat_o(s7_dat_o),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o (s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb), + .s7_dat_i(s7_dat_i),.s7_ack_i(s7_ack),.s7_err_i(s7_err),.s7_rty_i(s7_rty) + ); + + ////////////////////////////////////////////////////////////////////////////////////////// + // Reset Controller + system_control sysctrl (.wb_clk_i(wb_clk), + .ram_loader_rst_o(ram_loader_rst), + .wb_rst_o(wb_rst), + .ram_loader_done_i(ram_loader_done)); + + // /////////////////////////////////////////////////////////////////// + // RAM Loader + wire iram_wr_stb, iram_rd_stb, iram_wr_ack, iram_rd_ack, iram_ack, iram_wr_we; + wire [3:0] iram_wr_sel; + wire [aw-1:0] iram_wr_adr, iram_rd_adr; + wire [dw-1:0] iram_wr_dat, iram_rd_dat; + + wire bus_error, proc_int; + + assign iram_rd_ack = ram_loader_done ? iram_ack : 1'b0; + assign iram_wr_ack = ram_loader_done ? 1'b0 : iram_ack; + + ram_loader #(.AWIDTH(16)) + ram_loader (.clk_i(wb_clk),.rst_i(ram_loader_rst), + // CPLD Interface + .cfg_clk_i(cpld_clk), + .cfg_data_i(cpld_din), + .start_o(cpld_start), + .mode_o(cpld_mode), + .done_o(cpld_done), + .detached_i(cpld_detached), + // Wishbone Interface + .wb_dat_o(iram_wr_dat),.wb_adr_o(iram_wr_adr), + .wb_stb_o(iram_wr_stb),.wb_cyc_o(),.wb_sel_o(iram_wr_sel), + .wb_we_o(iram_wr_we),.wb_ack_i(iram_wr_ack), + .ram_loader_done_o(ram_loader_done)); + + // Processor + aeMB_core_BE #(.ISIZ(16),.DSIZ(16)) + aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), + // Instruction Wishbone bus to I-RAM + .iwb_stb_o(iram_rd_stb),.iwb_adr_o(iram_rd_adr), + .iwb_dat_i(iram_rd_dat),.iwb_ack_i(iram_rd_ack), + // Data Wishbone bus to system bus fabric + .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr), + .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc), + // Interrupts and exceptions + .sys_int_i(proc_int),.sys_exc_i(bus_error) ); + + assign bus_error = m0_err | m0_rty; + assign proc_int = 1'b0; + + // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone + // I-port connects directly to processor and ram loader + + ram_wb_harvard #(.AWIDTH(14)) + ID_ram (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), + + .iwb_adr_i(ram_loader_done ? iram_rd_adr : iram_wr_adr),.iwb_dat_i(iram_wr_dat),.iwb_dat_o(iram_rd_dat), + .iwb_we_i(iram_wr_we),.iwb_ack_o(iram_ack),.iwb_stb_i(ram_loader_done ? iram_rd_stb : iram_wr_stb), + .iwb_sel_i(ram_loader_done ? 4'b1111 : iram_wr_sel), + + .dwb_adr_i(s0_adr),.dwb_dat_i(s0_dat_o),.dwb_dat_o(s0_dat_i), + .dwb_we_i(s0_we),.dwb_ack_o(s0_ack),.dwb_stb_i(s0_stb),.dwb_sel_i(s0_sel)); + + assign s0_err = 1'b0; + assign s0_rty = 1'b0; + + // Buffer Pool, slave #1 + wire rd0_read, rd0_ready, rd0_done, rd0_empty; + wire rd1_read, rd1_ready, rd1_done, rd1_empty; + wire rd2_read, rd2_ready, rd2_done, rd2_empty; + wire rd3_read, rd3_ready, rd3_done, rd3_empty; + wire [31:0] rd0_dat, rd1_dat, rd2_dat, rd3_dat; + + wire wr0_write, wr0_done, wr0_ready, wr0_full; + wire wr1_write, wr1_done, wr1_ready, wr1_full; + wire wr2_write, wr2_done, wr2_ready, wr2_full; + wire wr3_write, wr3_done, wr3_ready, wr3_full; + wire [31:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat; + +/* + buffer_pool buffer_pool + (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), + .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o), + .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(s1_err),.wb_rty_o(s1_rty), + + .stream_clk(dsp_clk),.stream_rst(dsp_rst), + // Write Interfaces + .wr0_dat_i(),.wr0_write_i(),.wr0_done_i(),.wr0_ready_o(),.wr0_full_o(), + .wr1_dat_i(),.wr1_write_i(),.wr1_done_i(),.wr1_ready_o(),.wr1_full_o(), + .wr2_dat_i(),.wr2_write_i(),.wr2_done_i(),.wr2_ready_o(),.wr2_full_o(), + .wr3_dat_i(),.wr3_write_i(),.wr3_done_i(),.wr3_ready_o(),.wr3_full_o(), + // Read Interfaces + .rd0_dat_o(rd0_dat),.rd0_read_i(rd0_read),.rd0_done_i(),.rd0_ready_o(rd0_ready),.rd0_empty_o(rd0_empty), + .rd1_dat_o(rd1_dat),.rd1_read_i(rd1_read),.rd1_done_i(),.rd1_ready_o(rd1_ready),.rd1_empty_o(rd1_empty), + .rd2_dat_o(rd2_dat),.rd2_read_i(rd2_read),.rd2_done_i(),.rd2_ready_o(rd2_ready),.rd2_empty_o(rd2_empty), + .rd3_dat_o(rd3_dat),.rd3_read_i(rd3_read),.rd3_done_i(),.rd3_ready_o(rd3_ready),.rd3_empty_o(rd3_empty) + ); +*/ + // SPI -- Slave #2 + spi_top shared_spi + (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr),.wb_dat_i(s2_dat_o),.wb_dat_o(s2_dat_i), + .wb_sel_i(s2_sel),.wb_we_i(s2_we),.wb_stb_i(s2_stb),.wb_cyc_i(s2_cyc),.wb_ack_o(s2_ack), + + .wb_err_o(s2_err),.wb_int_o(s2_int), + .ss_pad_o({sen_tx_db,sen_tx_adc,sen_tx_dac,sen_rx_db,sen_rx_adc,sen_rx_dac,sen_dac,sen_clk}), + .sclk_pad_o(sclk),.mosi_pad_o(mosi),.miso_pad_i(miso) ); + + assign s2_rty = 1'b0; + + // I2C -- Slave #3 + i2c_master_top #(.ARST_LVL(1)) + i2c (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0), + .wb_adr_i(s3_adr),.wb_dat_i(s3_dat_o),.wb_dat_o(s3_dat_i), + .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc), + .wb_ack_o(s3_ack),.wb_inta_o(st_int), + .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), + .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); + + assign s3_err = 1'b0; + assign s3_rty = 1'b0; + + // GPIOs -- Slave #4 + wire s4_ack_a, s4_ack_b, s4_ack_c, s4_ack_d; + assign s4_ack = s4_ack_a | s4_ack_b | s4_ack_c | s4_ack_d; + + simple_gpio gpio_a(.clk_i(wb_clk),.rst_i(~wb_rst), + .cyc_i(s4_cyc),.stb_i(s4_stb&s4_sel[0]),.adr_i(s4_adr[2]),.we_i(s4_we), + .dat_i(s4_dat_o[7:0]),.dat_o(s4_dat_i[7:0]),.ack_o(s4_ack_a), + .gpio(/* io_tx[7:0]*/) ); + + simple_gpio gpio_b(.clk_i(wb_clk),.rst_i(~wb_rst), + .cyc_i(s4_cyc),.stb_i(s4_stb&s4_sel[1]),.adr_i(s4_adr[2]),.we_i(s4_we), + .dat_i(s4_dat_o[15:8]),.dat_o(s4_dat_i[15:8]),.ack_o(s4_ack_b), + .gpio(/* io_tx[15:8] */) ); + + simple_gpio gpio_c(.clk_i(wb_clk),.rst_i(~wb_rst), + .cyc_i(s4_cyc),.stb_i(s4_stb&s4_sel[2]),.adr_i(s4_adr[2]),.we_i(s4_we), + .dat_i(s4_dat_o[23:16]),.dat_o(s4_dat_i[23:16]),.ack_o(s4_ack_c), + .gpio(/* io_rx[7:0] */) ); + + simple_gpio gpio_d(.clk_i(wb_clk),.rst_i(~wb_rst), + .cyc_i(s4_cyc),.stb_i(s4_stb&s4_sel[3]),.adr_i(s4_adr[2]),.we_i(s4_we), + .dat_i(s4_dat_o[31:24]),.dat_o(s4_dat_i[31:24]),.ack_o(s4_ack_d), + .gpio(/* io_rx[15:8]*/) ); + + assign s4_err = 1'b0; + assign s4_rty = 1'b0; + + // Output control lines, SLAVE #5 + wire [7:0] clock_outs, serdes_outs, adc_outs, misc_outs; + assign {clock_ready, clk_en[1:0], clk_sel[1:0]} = clock_outs[4:0]; + assign {ser_enable, ser_prbsen, ser_loopen, ser_rx_en} = serdes_outs[3:0]; + assign { adc_oen_a, adc_pdn_a, adc_oen_b, adc_pdn_b } = adc_outs[3:0]; + assign {led2, led1} = misc_outs[1:0]; + + wb_output_pins32 control_lines + (.wb_rst_i(wb_rst),.wb_clk_i(wb_clk),.wb_dat_i(s5_dat_o),.wb_dat_o(s5_dat_i), + .wb_we_i(s5_we),.wb_sel_i(s5_sel),.wb_stb_i(s5_stb),.wb_ack_o(s5_ack),.wb_cyc_i(s5_cyc), + .port_output( {clock_outs,serdes_outs,adc_outs,misc_outs} ) ); + + assign s5_err = 1'b0; + assign s5_rty = 1'b0; + + // Ethernet slave, #6 + eth_wrapper eth_wrapper + (.Reset(wb_rst),.Clk_125M(),.Clk_user(stream_clk),.Clk_reg(wb_clk),.Speed(), + .Gtx_clk(GMII_GTX_CLK),.Rx_clk(GMII_RX_CLK),.Tx_clk(GMII_TX_CLK),//used only in MII mode + .Tx_er(GMII_TX_ER),.Tx_en(GMII_TX_EN),.Txd(GMII_TXD),.Rx_er(GMII_RX_ER), + .Rx_dv(GMII_RX_DV),.Rxd(GMII_RXD),.Crs(GMII_CRS),.Col(GMII_COL), + .Mdio(MDIO),.Mdc(MDC), + // FIFO Interfaces + .wr_dat_o(),.wr_write_o(),.wr_done_o(),.wr_ready_i(),.wr_full_i(), + .rd_dat_i(),.rd_read_o(),.rd_done_o(),.rd_ready_i(),.rd_empty_i(), + // Wishbone + .wb_dat_i(s6_dat_o),.wb_dat_o(s6_dat_i),.wb_adr_i(s6_adr),.wb_stb_i(s6_stb),.wb_we_i(s6_we),.wb_ack_o(s6_ack) + ); + + assign s6_err = 1'b0; + assign s6_rty = 1'b0; + + // Settings Bus -- Slave #7 + settings_bus settings_bus + (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s7_adr),.wb_dat_i(s7_dat_o), + .wb_stb_i(s7_stb),.wb_we_i(s7_we),.wb_ack_o(s7_ack), + .sys_clk(dsp_clk),.strobe(set_stb),.addr(set_addr),.data(set_data)); + + assign s7_err = 1'b0; + assign s7_rty = 1'b0; + assign s7_dat_i = 32'd0; + + /////////////////////////////////////////////////////////////////////////// + // DSP + reg [13:0] adc_a_reg1, adc_b_reg1, adc_a_reg2, adc_b_reg2; + reg adc_ovf_a_reg1, adc_ovf_a_reg2, adc_ovf_b_reg1, adc_ovf_b_reg2; + + always @(posedge dsp_clk) + begin + adc_a_reg1 <= adc_a; + adc_a_reg2 <= adc_a_reg1; + adc_b_reg1 <= adc_b; + adc_b_reg2 <= adc_b_reg1; + adc_ovf_a_reg1 <= adc_ovf_a; + adc_ovf_a_reg2 <= adc_ovf_a_reg1; + adc_ovf_b_reg1 <= adc_ovf_b; + adc_ovf_b_reg2 <= adc_ovf_b_reg1; + end // always @ (posedge dsp_clk) + + dsp_core_rx dsp_core_rx + (.clk(dsp_clk),.rst(dsp_rst), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b), + .rx_dat_o(wr1_dat),.rx_write_o(wr1_write),.rx_done_o(wr1_done), + .rx_ready_i(wr1_ready),.rx_full_i(wr1_full), + .overrun() ); + + dsp_core_tx dsp_core_tx + (.clk(dsp_clk),.rst(dsp_rst), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .dac_a(dac_a),.dac_b(dac_b), + .tx_dat_i(rd1_dat),.tx_read_o(rd1_read),.tx_done_o(rd1_done), + .tx_ready_i(rd1_ready),.tx_empty_i(rd1_empty), + .underrun() ); + + assign dsp_rst = wb_rst; + + ///////////////////////////////////////////////////////////////////////////////////// + // SERDES + serdes_tx serdes_tx + (.clk(dsp_clk),.rst(dsp_rst), + .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb), + .fifo_data_i(rd0_dat),.fifo_read_o(rd0_read),.fifo_done_o(rd0_done), + .fifo_ready_i(rd0_ready),.fifo_empty_i(rd0_empty) + ); + + serdes_rx serdes_rx + (.clk(dsp_clk),.rst(dsp_rst), + .ser_rx_clk(ser_rx_clk),.ser_r(ser_r),.ser_rklsb(ser_rklsb),.ser_rkmsb(ser_rkmsb), + .fifo_data_o(wr0_dat),.fifo_wr_o(wr0_write),.fifo_ready_i(wr0_ready),.fifo_done_i(wr0_done) + ); + + // Debug Pins + wire [31:0] debug1={{1'b0,ram_loader_done,clock_ready,dsp_clk,wb_clk,ram_loader_rst,wb_rst,dsp_rst}, + {1'b0,cpld_start,cpld_mode,cpld_done,1'b0,cpld_din,cpld_clk,cpld_detached}, + {8'hAF}, + {2'b0, clk_status, sen_dac, sen_clk, sclk, mosi, miso}}; + + wire [31:0] debug_wb={{iram_wr_we,ram_loader_done,clock_ready,iram_wr_ack,iram_wr_stb,ram_loader_rst,wb_rst,dsp_rst}, + {iram_rd_adr[15:8]}, + {iram_rd_adr[7:0]}, + {serdes_outs}}; + + assign io_rx = ser_debug[31:16]; + assign io_tx = ser_debug[15:0]; + + assign debug = debug_wb; + + assign debug_clk[0] = wb_clk; + assign debug_clk[1] = dsp_clk; + +endmodule // eth_test + + +// Local Variables: +// verilog-library-directories:("." "subdir" "subdir2") +// verilog-library-files:("/home/matt/u2f/opencores/wb_conbus/rtl/verilog/wb_conbus_top.v") +// verilog-library-extensions:(".v" ".h") +// End: diff --git a/fpga/usrp2/top/eth_test/eth_tb.v b/fpga/usrp2/top/eth_test/eth_tb.v new file mode 100644 index 000000000..451ce1e7e --- /dev/null +++ b/fpga/usrp2/top/eth_test/eth_tb.v @@ -0,0 +1,257 @@ +`timescale 1ns / 1ps +////////////////////////////////////////////////////////////////////////////////// + +// Nearly everything is an input + +module eth_tb(); + // Misc, debug + wire led1; + wire led2; + wire [31:0] debug; + wire [1:0] debug_clk; + + // Expansion + wire exp_pps_in; + wire exp_pps_out; + + // GMII + // GMII-CTRL + wire GMII_COL; + wire GMII_CRS; + + // GMII-TX + wire [7:0] GMII_TXD; + wire GMII_TX_EN; + wire GMII_TX_ER; + wire GMII_GTX_CLK; + wire GMII_TX_CLK; // 100mbps clk + + // GMII-RX + wire [7:0] GMII_RXD; + wire GMII_RX_CLK; + wire GMII_RX_DV; + wire GMII_RX_ER; + + // GMII-Management + wire MDIO; + wire MDC; + wire PHY_INTn; // open drain + wire PHY_RESETn; + wire PHY_CLK; // possibly use on-board osc + + // RAM + wire [17:0] RAM_D; + wire [18:0] RAM_A; + wire RAM_CE1n; + wire RAM_CENn; + wire RAM_CLK; + wire RAM_WEn; + wire RAM_OEn; + wire RAM_LDn; + + // SERDES + wire ser_enable; + wire ser_prbsen; + wire ser_loopen; + wire ser_rx_en; + + wire ser_tx_clk; + wire [15:0] ser_t; + wire ser_tklsb; + wire ser_tkmsb; + + wire ser_rx_clk; + wire [15:0] ser_r; + wire ser_rklsb; + wire ser_rkmsb; + + // CPLD interface + wire cpld_din, cpld_clk, cpld_detached, cpld_start, cpld_mode, cpld_done; + + // ADC + wire [13:0] adc_a; + wire adc_ovf_a; + wire adc_oen_a; + wire adc_pdn_a; + + wire [13:0] adc_b; + wire adc_ovf_b; + wire adc_oen_b; + wire adc_pdn_b; + + // DAC + wire [15:0] dac_a; + wire [15:0] dac_b; + + // I2C + wire SCL; + wire SDA; + + // Clock Gen Control + wire [1:0] clk_en; + wire [1:0] clk_sel; + wire clk_func; // FIXME is an input to control the 9510 + wire clk_status; + + // Clocks + reg clk_fpga; + wire clk_to_mac; + wire pps_in; + + // Generic SPI + wire sclk, mosi, miso; + wire sen_clk; + wire sen_dac; + wire sen_tx_db; + wire sen_tx_adc; + wire sen_tx_dac; + wire sen_rx_db; + wire sen_rx_adc; + wire sen_rx_dac; + + // GPIO to DBoards + wire [15:0] io_tx; + wire [15:0] io_rx; + + wire wb_clk, wb_rst; + wire start, clock_ready; + + reg aux_clk; + + initial aux_clk= 1'b0; + always #25 aux_clk = ~aux_clk; + + initial clk_fpga = 1'bx; + initial #3007 clk_fpga = 1'b0; + always #7 clk_fpga = ~clk_fpga; + + + wire div_clk; + reg [2:0] div_ctr = 0; + + always @(posedge clk_fpga or negedge clk_fpga) + if(div_ctr==5) + div_ctr = 0; + else + div_ctr = div_ctr + 1; + assign div_clk = (div_ctr == 0) | (div_ctr == 1) | (div_ctr == 2); + + assign dsp_clk = clk_fpga; + assign wb_clk = clock_ready ? div_clk : aux_clk; + + initial + $monitor($time, ,clock_ready); + + initial begin + $dumpfile("eth_tb.vcd"); + $dumpvars(0,eth_tb); + end + + initial #10000000 $finish; + + cpld_model + cpld_model (.aux_clk(aux_clk),.start(cpld_start),.mode(cpld_mode),.done(cpld_done), + .dout(cpld_din),.sclk(cpld_clk),.detached(cpld_detached)); + + eth_sim_top eth_sim_top(.dsp_clk (dsp_clk), + .wb_clk (wb_clk), + .clock_ready (clock_ready), + .clk_to_mac (clk_to_mac), + .pps_in (pps_in), + .led1 (led1), + .led2 (led2), + .debug (debug[31:0]), + .debug_clk (debug_clk[1:0]), + .exp_pps_in (exp_pps_in), + .exp_pps_out (exp_pps_out), + .GMII_COL (GMII_COL), + .GMII_CRS (GMII_CRS), + .GMII_TXD (GMII_TXD[7:0]), + .GMII_TX_EN (GMII_TX_EN), + .GMII_TX_ER (GMII_TX_ER), + .GMII_GTX_CLK (GMII_GTX_CLK), + .GMII_TX_CLK (GMII_TX_CLK), + .GMII_RXD (GMII_RXD[7:0]), + .GMII_RX_CLK (GMII_RX_CLK), + .GMII_RX_DV (GMII_RX_DV), + .GMII_RX_ER (GMII_RX_ER), + .MDIO (MDIO), + .MDC (MDC), + .PHY_INTn (PHY_INTn), + .PHY_RESETn (PHY_RESETn), + .PHY_CLK (PHY_CLK), + .ser_enable (ser_enable), + .ser_prbsen (ser_prbsen), + .ser_loopen (ser_loopen), + .ser_rx_en (ser_rx_en), + .ser_tx_clk (ser_tx_clk), + .ser_t (ser_t[15:0]), + .ser_tklsb (ser_tklsb), + .ser_tkmsb (ser_tkmsb), + .ser_rx_clk (ser_rx_clk), + .ser_r (ser_r[15:0]), + .ser_rklsb (ser_rklsb), + .ser_rkmsb (ser_rkmsb), + .cpld_start (cpld_start), + .cpld_mode (cpld_mode), + .cpld_done (cpld_done), + .cpld_din (cpld_din), + .cpld_clk (cpld_clk), + .cpld_detached (cpld_detached), + .adc_a (adc_a[13:0]), + .adc_ovf_a (adc_ovf_a), + .adc_oen_a (adc_oen_a), + .adc_pdn_a (adc_pdn_a), + .adc_b (adc_b[13:0]), + .adc_ovf_b (adc_ovf_b), + .adc_oen_b (adc_oen_b), + .adc_pdn_b (adc_pdn_b), + .dac_a (dac_a[15:0]), + .dac_b (dac_b[15:0]), + .scl_pad_i (scl_pad_i), + .scl_pad_o (scl_pad_o), + .scl_pad_oen_o (scl_pad_oen_o), + .sda_pad_i (sda_pad_i), + .sda_pad_o (sda_pad_o), + .sda_pad_oen_o (sda_pad_oen_o), + .clk_en (clk_en[1:0]), + .clk_sel (clk_sel[1:0]), + .clk_func (clk_func), + .clk_status (clk_status), + .sclk (sclk), + .mosi (mosi), + .miso (miso), + .sen_clk (sen_clk), + .sen_dac (sen_dac), + .sen_tx_db (sen_tx_db), + .sen_tx_adc (sen_tx_adc), + .sen_tx_dac (sen_tx_dac), + .sen_rx_db (sen_rx_db), + .sen_rx_adc (sen_rx_adc), + .sen_rx_dac (sen_rx_dac), + .io_tx (io_tx[15:0]), + .io_rx (io_rx[15:0])); + + // Experimental printf-like function + always @(posedge wb_clk) + begin + if((eth_sim_top.m0_we == 1'd1)&&(eth_sim_top.m0_adr == 16'hC000)) + $write("%x",eth_sim_top.m0_dat_i); + if((eth_sim_top.m0_we == 1'd1)&&(eth_sim_top.m0_adr == 16'hC100)) + $display("%x",eth_sim_top.m0_dat_i); + if((eth_sim_top.m0_we == 1'd1)&&(eth_sim_top.m0_adr == 16'hC004)) + $write("%c",eth_sim_top.m0_dat_i); + if((eth_sim_top.m0_we == 1'd1)&&(eth_sim_top.m0_adr == 16'hC104)) + $display("%c",eth_sim_top.m0_dat_i); + if((eth_sim_top.m0_we == 1'd1)&&(eth_sim_top.m0_adr == 16'hC008)) + $display(""); + end + + +endmodule // u2_sim_top + +// Local Variables: +// verilog-library-directories:("." "subdir" "subdir2") +// verilog-library-files:("/home/matt/u2f/top/u2_basic/u2_basic.v") +// verilog-library-extensions:(".v" ".h") +// End: |