diff options
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core.v | 498 | ||||
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core_udp.v | 745 |
2 files changed, 229 insertions, 1014 deletions
diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v index a5963f6b1..26e2cc4ab 100644 --- a/usrp2/top/u2_rev3/u2_core.v +++ b/usrp2/top/u2_rev3/u2_core.v @@ -3,7 +3,7 @@ // //////////////////////////////////////////////////////////////////////////////// module u2_core - #(parameter RAM_SIZE=32768) + #(parameter RAM_SIZE=16384, parameter RAM_AW=14) (// Clocks input dsp_clk, input wb_clk, @@ -119,11 +119,12 @@ module u2_core inout [15:0] io_rx, // External RAM - inout [17:0] RAM_D, + input [17:0] RAM_D_pi, + output [17:0] RAM_D_po, + output RAM_D_poe, output [18:0] RAM_A, output RAM_CE1n, output RAM_CENn, - // output RAM_CLK, output RAM_WEn, output RAM_OEn, output RAM_LDn, @@ -142,7 +143,7 @@ module u2_core localparam SR_RX_CTRL = 176; // 16 localparam SR_TIME64 = 192; // 3 localparam SR_SIMTIMER = 198; // 2 - localparam SR_TX_DSP = 128; // 16 + localparam SR_TX_DSP = 208; // 16 localparam SR_TX_CTRL = 224; // 16 // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048 @@ -160,15 +161,17 @@ module u2_core wire ram_loader_done; wire ram_loader_rst, wb_rst, dsp_rst; + assign dsp_rst = wb_rst; - wire [31:0] status, status_b0, status_b1, status_b2, status_b3, status_b4, status_b5, status_b6, status_b7; - wire bus_error, spi_int, i2c_int, pps_int, timer_int, buffer_int, proc_int, overrun, underrun, uart_tx_int, uart_rx_int; + wire [31:0] status; + wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int; + wire proc_int, overrun, underrun, uart_tx_int, uart_rx_int; wire [31:0] debug_gpio_0, debug_gpio_1; wire [31:0] atr_lines; - wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc, - debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp; + wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc, + debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp, debug_extfifo, debug_extfifo2; wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2; wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2; @@ -177,6 +180,12 @@ module u2_core wire serdes_link_up; wire epoch; wire [31:0] irq; + wire [63:0] vita_time; + + wire run_rx, run_tx; + reg run_rx_d1; + always @(posedge dsp_clk) + run_rx_d1 <= run_rx; // /////////////////////////////////////////////////////////////////////////////////////////////// // Wishbone Single Master INTERCON @@ -283,7 +292,7 @@ module u2_core wire [3:0] ram_loader_sel; wire ram_loader_stb, ram_loader_we; wire iwb_ack, iwb_stb; - ram_loader #(.AWIDTH(16),.RAM_SIZE(RAM_SIZE)) + ram_loader #(.AWIDTH(aw),.RAM_SIZE(RAM_SIZE)) ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst), .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr), .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel), @@ -299,28 +308,37 @@ module u2_core // ///////////////////////////////////////////////////////////////////////// // Processor - aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) - aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), - // Instruction Wishbone bus to I-RAM - .if_adr(if_adr), - .if_dat(if_dat), +// aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) +// aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), +// // Instruction Wishbone bus to I-RAM +// .if_adr(if_adr), +// .if_dat(if_dat), +// // 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; + + wire [63:0] zpu_status; + zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw)) + zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(1'b1), // 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), + .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr), + .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc), // Interrupts and exceptions - .sys_int_i(proc_int),.sys_exc_i(bus_error) ); - - assign bus_error = m0_err | m0_rty; + .zpu_status(zpu_status), .interrupt(proc_int)); // ///////////////////////////////////////////////////////////////////////// // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone // I-port connects directly to processor and ram loader wire flush_icache; - ram_harvard #(.AWIDTH(15),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) + ram_harvard #(.AWIDTH(RAM_AW),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), - .ram_loader_adr_i(ram_loader_adr[14:0]), .ram_loader_dat_i(ram_loader_dat), + .ram_loader_adr_i(ram_loader_adr[RAM_AW-1:0]), .ram_loader_dat_i(ram_loader_dat), .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel), .ram_loader_we_i(ram_loader_we), .ram_loader_done_i(ram_loader_done), @@ -328,7 +346,7 @@ module u2_core .if_adr(if_adr), .if_data(if_dat), - .dwb_adr_i(s0_adr[14:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i), + .dwb_adr_i(s0_adr[RAM_AW-1:0]), .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), .flush_icache(flush_icache)); @@ -350,33 +368,32 @@ module u2_core wire wr3_ready_i, wr3_ready_o; wire [3:0] wr0_flags, wr1_flags, wr2_flags, wr3_flags; wire [31:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat; - - buffer_pool #(.BUF_SIZE(9), .SET_ADDR(SR_BUF_POOL)) buffer_pool + + wire [35:0] tx_err_data; + wire tx_err_src_rdy, tx_err_dst_rdy; + + wire [31:0] router_debug; + + packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router (.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_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(),.wb_rty_o(), - - .stream_clk(dsp_clk), .stream_rst(dsp_rst), + .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), - .status(status),.sys_int_o(buffer_int), - - .s0(status_b0),.s1(status_b1),.s2(status_b2),.s3(status_b3), - .s4(status_b4),.s5(status_b5),.s6(status_b6),.s7(status_b7), - - // Write Interfaces - .wr0_data_i(wr0_dat), .wr0_flags_i(wr0_flags), .wr0_ready_i(wr0_ready_i), .wr0_ready_o(wr0_ready_o), - .wr1_data_i(wr1_dat), .wr1_flags_i(wr1_flags), .wr1_ready_i(wr1_ready_i), .wr1_ready_o(wr1_ready_o), - .wr2_data_i(wr2_dat), .wr2_flags_i(wr2_flags), .wr2_ready_i(wr2_ready_i), .wr2_ready_o(wr2_ready_o), - .wr3_data_i(wr3_dat), .wr3_flags_i(wr3_flags), .wr3_ready_i(wr3_ready_i), .wr3_ready_o(wr3_ready_o), - // Read Interfaces - .rd0_data_o(rd0_dat), .rd0_flags_o(rd0_flags), .rd0_ready_i(rd0_ready_i), .rd0_ready_o(rd0_ready_o), - .rd1_data_o(rd1_dat), .rd1_flags_o(rd1_flags), .rd1_ready_i(rd1_ready_i), .rd1_ready_o(rd1_ready_o), - .rd2_data_o(rd2_dat), .rd2_flags_o(rd2_flags), .rd2_ready_i(rd2_ready_i), .rd2_ready_o(rd2_ready_o), - .rd3_data_o(rd3_dat), .rd3_flags_o(rd3_flags), .rd3_ready_i(rd3_ready_i), .rd3_ready_o(rd3_ready_o) - ); - wire [31:0] status_enc; - priority_enc priority_enc (.in({16'b0,status[15:0]}), .out(status_enc)); + .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0), + + .status(status), .sys_int_o(buffer_int), .debug(router_debug), + + .ser_inp_data({wr0_flags, wr0_dat}), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o), + .dsp_inp_data({wr1_flags, wr1_dat}), .dsp_inp_valid(wr1_ready_i), .dsp_inp_ready(wr1_ready_o), + .eth_inp_data({wr2_flags, wr2_dat}), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o), + .err_inp_data(tx_err_data), .err_inp_ready(tx_err_dst_rdy), .err_inp_valid(tx_err_src_rdy), + + .ser_out_data({rd0_flags, rd0_dat}), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i), + .dsp_out_data({rd1_flags, rd1_dat}), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i), + .eth_out_data({rd2_flags, rd2_dat}), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i) + ); // ///////////////////////////////////////////////////////////////////////// // SPI -- Slave #2 @@ -405,7 +422,7 @@ module u2_core .cyc_i(s4_cyc),.stb_i(s4_stb),.adr_i(s4_adr[3:0]),.we_i(s4_we), .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack), .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1), - .gpio( {io_tx,io_rx} ) ); + .gpio({io_tx,io_rx}) ); // ///////////////////////////////////////////////////////////////////////// // Buffer Pool Status -- Slave #5 @@ -416,34 +433,73 @@ module u2_core cycle_count <= 0; else cycle_count <= cycle_count + 1; - + + //compatibility number -> increment when the fpga has been sufficiently altered + localparam compat_num = 32'd4; + wb_readback_mux buff_pool_status (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb), .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack), - .word00(status_b0),.word01(status_b1),.word02(status_b2),.word03(status_b3), - .word04(status_b4),.word05(status_b5),.word06(status_b6),.word07(status_b7), - .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(32'b0), - .word11(32'b0),.word12(32'b0),.word13(irq),.word14(status_enc),.word15(cycle_count) + .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0), + .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0), + .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]), + .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(32'b0),.word15(cycle_count) ); // ///////////////////////////////////////////////////////////////////////// // Ethernet MAC Slave #6 - simple_gemac_wrapper #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper + wire [18:0] rx_f19_data, tx_f19_data; + wire rx_f19_src_rdy, rx_f19_dst_rdy, tx_f19_src_rdy, tx_f19_dst_rdy; + + simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19 (.clk125(clk_to_mac), .reset(wb_rst), .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN), .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD), .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV), .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD), .sys_clk(dsp_clk), - .rx_f36_data({wr2_flags,wr2_dat}), .rx_f36_src_rdy(wr2_ready_i), .rx_f36_dst_rdy(wr2_ready_o), - .tx_f36_data({rd2_flags,rd2_dat}), .tx_f36_src_rdy(rd2_ready_o), .tx_f36_dst_rdy(rd2_ready_i), + .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy), + .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy), .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack), .wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i), .mdio(MDIO), .mdc(MDC), .debug(debug_mac)); - + + wire [35:0] rx_f36_data, tx_f36_data; + wire rx_f36_src_rdy, rx_f36_dst_rdy, tx_f36_src_rdy, tx_f36_dst_rdy; + + wire [18:0] _rx_f19_data; + wire _rx_f19_src_rdy, _rx_f19_dst_rdy; + + //mac rx to eth input... + fifo19_rxrealign fifo19_rxrealign + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .datain(rx_f19_data), .src_rdy_i(rx_f19_src_rdy), .dst_rdy_o(rx_f19_dst_rdy), + .dataout(_rx_f19_data), .src_rdy_o(_rx_f19_src_rdy), .dst_rdy_i(_rx_f19_dst_rdy) ); + + fifo19_to_fifo36 eth_inp_fifo19_to_fifo36 + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .f19_datain(_rx_f19_data), .f19_src_rdy_i(_rx_f19_src_rdy), .f19_dst_rdy_o(_rx_f19_dst_rdy), + .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy), .f36_dst_rdy_i(rx_f36_dst_rdy) ); + + fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .datain(rx_f36_data), .src_rdy_i(rx_f36_src_rdy), .dst_rdy_o(rx_f36_dst_rdy), + .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o)); + + //eth output to mac tx... + fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), + .dataout(tx_f36_data), .src_rdy_o(tx_f36_src_rdy), .dst_rdy_i(tx_f36_dst_rdy)); + + fifo36_to_fifo19 eth_out_fifo36_to_fifo19 + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .f36_datain(tx_f36_data), .f36_src_rdy_i(tx_f36_src_rdy), .f36_dst_rdy_o(tx_f36_dst_rdy), + .f19_dataout(tx_f19_data), .f19_src_rdy_o(tx_f19_src_rdy), .f19_dst_rdy_i(tx_f19_dst_rdy) ); + // ///////////////////////////////////////////////////////////////////////// // Settings Bus -- Slave #7 settings_bus settings_bus @@ -482,22 +538,30 @@ module u2_core // In Rev3 there are only 6 leds, and the highest one is on the ETH connector wire [7:0] led_src, led_sw; - wire [7:0] led_hw = {clk_status,serdes_link_up}; + wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0}; setting_reg #(.my_addr(3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_sw),.changed()); - setting_reg #(.my_addr(8),.width(8)) sr_led_src (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(led_src),.changed()); + + setting_reg #(.my_addr(8),.width(8), .at_reset(8'b0001_1110)) + sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed()); assign leds = (led_src & led_hw) | (~led_src & led_sw); // ///////////////////////////////////////////////////////////////////////// // Interrupt Controller, Slave #8 + // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic + wire underrun_wb, overrun_wb, pps_wb; + + oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb)); + oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb)); + oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb)); + assign irq= {{8'b0}, {8'b0}, - {4'b0, clk_status, serdes_link_up, uart_tx_int, uart_rx_int}, - {pps_int,overrun,underrun,PHY_INTn,i2c_int,spi_int,timer_int,buffer_int}}; + {3'b0, periodic_int, clk_status, serdes_link_up, uart_tx_int, uart_rx_int}, + {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}}; pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]), .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int), @@ -506,13 +570,17 @@ module u2_core // ///////////////////////////////////////////////////////////////////////// // Master Timer, Slave #9 - wire [31:0] master_time; - timer timer - (.wb_clk_i(wb_clk),.rst_i(wb_rst), - .cyc_i(s9_cyc),.stb_i(s9_stb),.adr_i(s9_adr[4:2]), - .we_i(s9_we),.dat_i(s9_dat_o),.dat_o(s9_dat_i),.ack_o(s9_ack), - .sys_clk_i(dsp_clk),.master_time_i(master_time),.int_o(timer_int) ); - + // No longer used, replaced with simple_timer below + assign s9_ack = 0; + + // ///////////////////////////////////////////////////////////////////////// + // Simple Timer interrupts + + simple_timer #(.BASE(SR_SIMTIMER)) simple_timer + (.clk(wb_clk), .reset(wb_rst), + .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .onetime_int(onetime_int), .periodic_int(periodic_int)); + // ///////////////////////////////////////////////////////////////////////// // UART, Slave #10 @@ -526,11 +594,6 @@ module u2_core // ///////////////////////////////////////////////////////////////////////// // ATR Controller, Slave #11 - wire run_rx, run_tx; - reg run_rx_d1; - always @(posedge dsp_clk) - run_rx_d1 <= run_rx; - atr_controller atr_controller (.clk_i(wb_clk),.rst_i(wb_rst), .adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i), @@ -540,22 +603,9 @@ module u2_core // ////////////////////////////////////////////////////////////////////////// // Time Sync, Slave #12 - reg pps_posedge, pps_negedge, pps_pos_d1, pps_neg_d1; - always @(negedge dsp_clk) pps_negedge <= pps_in; - always @(posedge dsp_clk) pps_posedge <= pps_in; - always @(posedge dsp_clk) pps_pos_d1 <= pps_posedge; - always @(posedge dsp_clk) pps_neg_d1 <= pps_negedge; - - wire pps_o; - time_sync time_sync - (.wb_clk_i(wb_clk),.rst_i(wb_rst), - .cyc_i(sc_cyc),.stb_i(sc_stb),.adr_i(sc_adr[4:2]), - .we_i(sc_we),.dat_i(sc_dat_o),.dat_o(sc_dat_i),.ack_o(sc_ack), - .sys_clk_i(dsp_clk),.master_time_o(master_time), - .pps_posedge(pps_posedge),.pps_negedge(pps_negedge), - .exp_pps_in(exp_pps_in),.exp_pps_out(exp_pps_out), - .int_o(pps_int),.epoch_o(epoch),.pps_o(pps_o) ); - + // No longer used, see time_64bit. Still need to handle mimo time, though + assign sc_ack = 0; + // ///////////////////////////////////////////////////////////////////////// // SD Card Reader / Writer, Slave #13 @@ -569,45 +619,100 @@ module u2_core assign sd_dat_i[31:8] = 0; // ///////////////////////////////////////////////////////////////////////// - // DSP + // DSP RX wire [31:0] sample_rx, sample_tx; wire strobe_rx, strobe_tx; - - rx_control #(.FIFOSIZE(10)) rx_control - (.clk(dsp_clk), .rst(dsp_rst), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .master_time(master_time),.overrun(overrun), - .wr_dat_o(wr1_dat), .wr_flags_o(wr1_flags), .wr_ready_o(wr1_ready_i), .wr_ready_i(wr1_ready_o), - .sample(sample_rx), .run(run_rx), .strobe(strobe_rx), - .fifo_occupied(dsp_rx_occ),.fifo_full(dsp_rx_full),.fifo_empty(dsp_rx_empty), - .debug_rx(debug_rx) ); + wire rx_dst_rdy, rx_src_rdy, rx1_dst_rdy, rx1_src_rdy; + wire [99:0] rx_data; + wire [35:0] rx1_data; - dsp_core_rx_old dsp_core_rx_old + dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx (.clk(dsp_clk),.rst(dsp_rst), .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), .adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b), .sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx), .debug(debug_rx_dsp) ); - tx_control #(.FIFOSIZE(10)) tx_control - (.clk(dsp_clk), .rst(dsp_rst), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .master_time(master_time),.underrun(underrun), - .rd_dat_i(rd1_dat), .rd_flags_i(rd1_flags), .rd_ready_i(rd1_ready_o), .rd_ready_o(rd1_ready_i), - .sample(sample_tx), .run(run_tx), .strobe(strobe_tx), - .fifo_occupied(dsp_tx_occ),.fifo_full(dsp_tx_full),.fifo_empty(dsp_tx_empty), - .debug(debug_txc) ); + wire [31:0] vrc_debug; + wire clear_rx; - dsp_core_tx #(.BASE(SR_TX_DSP)) dsp_core_tx + setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear (.clk(dsp_clk),.rst(dsp_rst), + .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp), + .out(),.changed(clear_rx)); + + vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .sample(sample_tx), .run(run_tx), .strobe(strobe_tx), - .dac_a(dac_a),.dac_b(dac_b), - .debug(debug_tx_dsp) ); + .vita_time(vita_time), .overrun(overrun), + .sample(sample_rx), .run(run_rx), .strobe(strobe_rx), + .sample_fifo_o(rx_data), .sample_fifo_dst_rdy_i(rx_dst_rdy), .sample_fifo_src_rdy_o(rx_src_rdy), + .debug_rx(vrc_debug)); - assign dsp_rst = wb_rst; + wire [3:0] vita_state; + + vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy), + .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy), + .fifo_occupied(), .fifo_full(), .fifo_empty(), + .debug_rx(vita_state) ); + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), + .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy), + .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o)); // /////////////////////////////////////////////////////////////////////////////////// + // DSP TX + + wire [35:0] tx_data; + wire tx_src_rdy, tx_dst_rdy; + wire [31:0] debug_vt; + wire clear_tx; + + setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx + (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(),.changed(clear_tx)); + + ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19)) + ext_fifo_i1 + (.int_clk(dsp_clk), + .ext_clk(clk_to_mac), + .rst(dsp_rst | clear_tx), + .RAM_D_pi(RAM_D_pi), + .RAM_D_po(RAM_D_po), + .RAM_D_poe(RAM_D_poe), + .RAM_A(RAM_A), + .RAM_WEn(RAM_WEn), + .RAM_CENn(RAM_CENn), + .RAM_LDn(RAM_LDn), + .RAM_OEn(RAM_OEn), + .RAM_CE1n(RAM_CE1n), + .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}), + .src_rdy_i(rd1_ready_o), + .dst_rdy_o(rd1_ready_i), + .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}), + .src_rdy_o(tx_src_rdy), + .dst_rdy_i(tx_dst_rdy), + .debug(debug_extfifo), + .debug2(debug_extfifo2) ); + + vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP), + .REPORT_ERROR(1), .DO_FLOW_CONTROL(1), + .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1)) + vita_tx_chain + (.clk(dsp_clk), .reset(dsp_rst), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .vita_time(vita_time), + .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy), + .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy), + .dac_a(dac_a),.dac_b(dac_b), + .underrun(underrun), .run(run_tx), + .debug(debug_vt)); + + // /////////////////////////////////////////////////////////////////////////////////// // SERDES serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes @@ -620,166 +725,21 @@ module u2_core .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty), .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) ); - // /////////////////////////////////////////////////////////////////////////////////// - // External RAM Interface -/* - localparam PAGE_SIZE = 10; // PAGE SIZE is in bytes, 10 = 1024 bytes - - wire [15:0] bus2ram, ram2bus; - wire [15:0] bridge_adr; - wire [1:0] bridge_sel; - wire bridge_stb, bridge_cyc, bridge_we, bridge_ack; - - wire [19:0] page; - wire [19:0] wb_ram_adr = {page[19:PAGE_SIZE],bridge_adr[PAGE_SIZE-1:0]}; - setting_reg #(.my_addr(6),.width(20)) sr_page (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(page),.changed()); - - wb_bridge_16_32 bridge - (.wb_clk(wb_clk),.wb_rst(wb_rst), - .A_cyc_i(se_cyc),.A_stb_i(se_stb),.A_we_i(se_we),.A_sel_i(se_sel), - .A_adr_i(se_adr),.A_dat_i(se_dat_o),.A_dat_o(se_dat_i),.A_ack_o(se_ack), - .B_cyc_o(bridge_cyc),.B_stb_o(bridge_stb),.B_we_o(bridge_we),.B_sel_o(bridge_sel), - .B_adr_o(bridge_adr),.B_dat_o(bus2ram),.B_dat_i(ram2bus),.B_ack_i(bridge_ack)); - - wb_zbt16_b wb_zbt16_b - (.clk(wb_clk),.rst(wb_rst), - .wb_adr_i(wb_ram_adr),.wb_dat_i(bus2ram),.wb_dat_o(ram2bus),.wb_sel_i(bridge_sel), - .wb_cyc_i(bridge_cyc),.wb_stb_i(bridge_stb),.wb_ack_o(bridge_ack),.wb_we_i(bridge_we), - .sram_clk(RAM_CLK),.sram_a(RAM_A),.sram_d(RAM_D[15:0]),.sram_we(RAM_WEn), - .sram_bw(),.sram_adv(RAM_LDn),.sram_ce(RAM_CENn),.sram_oe(RAM_OEn), - .sram_mode(),.sram_zz() ); + assign RAM_CLK = clk_to_mac; + + // ///////////////////////////////////////////////////////////////////////// + // VITA Timing -*/ - assign RAM_CE1n = 0; - assign RAM_D[17:16] = 2'bzz; + time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit + (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), + .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int)); // ///////////////////////////////////////////////////////////////////////////////////////// // Debug Pins - - // FIFO Level Debugging - reg [31:0] host_to_dsp_fifo,dsp_to_host_fifo,eth_mac_debug,serdes_to_dsp_fifo,dsp_to_serdes_fifo; - - always @(posedge dsp_clk) - serdes_to_dsp_fifo <= { {ser_rx_full,ser_rx_empty,ser_rx_occ[13:0]}, - {dsp_tx_full,dsp_tx_empty,dsp_tx_occ[13:0]} }; - - always @(posedge dsp_clk) - dsp_to_serdes_fifo <= { {ser_tx_full,ser_tx_empty,ser_tx_occ[13:0]}, - {dsp_rx_full,dsp_rx_empty,dsp_rx_occ[13:0]} }; - - always @(posedge dsp_clk) - host_to_dsp_fifo <= { {eth_rx_full,eth_rx_empty,eth_rx_occ[13:0]}, - {dsp_tx_full,dsp_tx_empty,dsp_tx_occ[13:0]} }; - - always @(posedge dsp_clk) - dsp_to_host_fifo <= { {eth_tx_full,eth_tx_empty,eth_tx_occ[13:0]}, - {dsp_rx_full,dsp_rx_empty,dsp_rx_occ[13:0]} }; - - always @(posedge dsp_clk) - eth_mac_debug <= { { 6'd0, GMII_TX_EN, GMII_RX_DV, debug_mac0[7:0]}, - {eth_rx_full2, eth_rx_empty2, eth_rx_occ2[13:0]} }; - - assign debug_clk[0] = 0; // wb_clk; - assign debug_clk[1] = clk_to_mac; -/* - - wire mdio_cpy = MDIO; - assign debug = { { 1'b0, s6_stb, s6_ack, s6_we, s6_sel[3:0] }, - { s6_adr[15:8] }, - { s6_adr[7:0] }, - { 6'd0, mdio_cpy, MDC } }; -*/ -/* - assign debug = { { GMII_TXD }, - { 5'd0, GMII_TX_EN, GMII_TX_ER, GMII_GTX_CLK }, - { wr2_flags, rd2_flags }, - { 4'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } }; - */ - assign debug = { { GMII_RXD }, - { 5'd0, GMII_RX_DV, GMII_RX_ER, GMII_RX_CLK }, - { wr2_flags, rd2_flags }, - { GMII_TX_EN,3'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } }; - - assign debug_gpio_0 = 0; - //debug_mac; //eth_mac_debug; - assign debug_gpio_1 = 0; + + assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac}; + assign debug = 32'd0; // debug_extfifo; + assign debug_gpio_0 = 32'd0; + assign debug_gpio_1 = 32'd0; endmodule // u2_core - -// wire debug_mux; -// setting_reg #(.my_addr(5)) sr_debug (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), -// .in(set_data),.out(debug_mux),.changed()); - -//assign debug = debug_mux ? host_to_dsp_fifo : dsp_to_host_fifo; -//assign debug = debug_mux ? serdes_to_dsp_fifo : dsp_to_serdes_fifo; - -//assign debug = {{strobe_rx,/*adc_ovf_a*/ 1'b0,adc_a}, -// {run_rx,/*adc_ovf_b*/ 1'b0,adc_b}}; - -//assign debug = debug_tx_dsp; -//assign debug = debug_serdes0; - -//assign debug_gpio_0 = 0; //debug_serdes0; -//assign debug_gpio_1 = 0; //debug_serdes1; - -// assign debug={{3'b0, wb_clk, wb_rst, dsp_rst, por, config_success}, -// {8'b0}, -// {3'b0,ram_loader_ack, ram_loader_stb, ram_loader_we,ram_loader_rst,ram_loader_done }, -// {cpld_start,cpld_mode,cpld_done,cpld_din,cpld_clk,cpld_detached,cpld_misc,cpld_init_b} }; - -//assign debug = {dac_a,dac_b}; - -/* - assign debug = {{ram_loader_done, takeover, 6'd0}, - {1'b0, cpld_start_int, cpld_mode_int, cpld_done_int, sd_clk, sd_csn, sd_miso, sd_mosi}, - {8'd0}, - {cpld_start, cpld_mode, cpld_done, cpld_din, cpld_misc, cpld_detached, cpld_clk, cpld_init_b}}; */ - -/*assign debug = host_to_dsp_fifo; - assign debug_gpio_0 = eth_mac_debug; - assign debug_gpio_1 = 0; - */ -// Assign various commonly used debug buses. -/* - wire [31:0] debug_rx_1 = {uart_tx_o,GMII_TX_EN,strobe_rx,overrun,proc_int,buffer_int,timer_int,GMII_RX_DV, - irq[7:0], - GMII_RXD, - GMII_TXD}; - - wire [31:0] debug_rx_2 = { 5'd0, s8_we, s8_stb, s8_ack, debug_rx[23:0] }; - - wire [31:0] debug_time = {uart_tx_o, 7'b0, - irq[7:0], - 6'b0, GMII_RX_DV, GMII_TX_EN, - 4'b0, exp_pps_in, exp_pps_out, pps_in, pps_int}; - - wire [31:0] debug_irq = {uart_tx_o, iwb_adr, iwb_ack, - irq[7:0], - proc_int, 7'b0 }; - - wire [31:0] debug_eth = - {{uart_tx_o,proc_int,underrun,buffer_int,wr2_ready,wr2_error,wr2_done,wr2_write}, - {8'd0}, - {8'd0}, - {GMII_TX_EN,GMII_RX_DV,Rx_mac_empty,Rx_mac_rd,Rx_mac_err,Rx_mac_sop,Rx_mac_eop,wr2_full} }; - - assign debug_serdes0 = { { rd0_dat[7:0] }, - { ser_tx_clk, ser_tkmsb, ser_tklsb, rd0_sop, rd0_eop, rd0_read, rd0_error, rd0_done }, - { ser_t[15:8] }, - { ser_t[7:0] } }; - - assign debug_serdes1 = { {1'b0,proc_int,underrun,buffer_int,wr0_ready,wr0_error,wr0_done,wr0_write}, - { 1'b0, ser_rx_clk, ser_rkmsb, ser_rklsb, ser_enable, ser_prbsen, ser_loopen, ser_rx_en }, - { ser_r[15:8] }, - { ser_r[7:0] } }; - - assign debug_gpio_1 = {uart_tx_o,7'd0, - 3'd0,rd1_sop,rd1_eop,rd1_read,rd1_done,rd1_error, - debug_txc[15:0]}; - assign debug_gpio_1 = debug_rx; - assign debug_gpio_1 = debug_serdes1; - assign debug_gpio_1 = debug_eth; - - */ - diff --git a/usrp2/top/u2_rev3/u2_core_udp.v b/usrp2/top/u2_rev3/u2_core_udp.v deleted file mode 100644 index 26e2cc4ab..000000000 --- a/usrp2/top/u2_rev3/u2_core_udp.v +++ /dev/null @@ -1,745 +0,0 @@ -// //////////////////////////////////////////////////////////////////////////////// -// Module Name: u2_core -// //////////////////////////////////////////////////////////////////////////////// - -module u2_core - #(parameter RAM_SIZE=16384, parameter RAM_AW=14) - (// Clocks - input dsp_clk, - input wb_clk, - output clock_ready, - input clk_to_mac, - input pps_in, - - // Misc, debug - output [7:0] leds, - 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 - output PHY_RESETn, - - // 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, - output cpld_misc, - input cpld_init_b, - input por, - output config_success, - - // ADC - input [13:0] adc_a, - input adc_ovf_a, - output adc_on_a, - output adc_oe_a, - - input [13:0] adc_b, - input adc_ovf_b, - output adc_on_b, - output adc_oe_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, - - // External RAM - input [17:0] RAM_D_pi, - output [17:0] RAM_D_po, - output RAM_D_poe, - output [18:0] RAM_A, - output RAM_CE1n, - output RAM_CENn, - output RAM_WEn, - output RAM_OEn, - output RAM_LDn, - - // Debug stuff - output uart_tx_o, - input uart_rx_i, - output uart_baud_o, - input sim_mode, - input [3:0] clock_divider - ); - - localparam SR_BUF_POOL = 64; // Uses 1 reg - localparam SR_UDP_SM = 96; // 64 regs - localparam SR_RX_DSP = 160; // 16 - localparam SR_RX_CTRL = 176; // 16 - localparam SR_TIME64 = 192; // 3 - localparam SR_SIMTIMER = 198; // 2 - localparam SR_TX_DSP = 208; // 16 - localparam SR_TX_CTRL = 224; // 16 - - // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048 - // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs - localparam DSP_TX_FIFOSIZE = 10; - localparam DSP_RX_FIFOSIZE = 10; - localparam ETH_TX_FIFOSIZE = 10; - localparam ETH_RX_FIFOSIZE = 11; - localparam SERDES_TX_FIFOSIZE = 9; - localparam SERDES_RX_FIFOSIZE = 9; // RX currently doesn't use a fifo? - - wire [7:0] set_addr, set_addr_dsp; - wire [31:0] set_data, set_data_dsp; - wire set_stb, set_stb_dsp; - - wire ram_loader_done; - wire ram_loader_rst, wb_rst, dsp_rst; - assign dsp_rst = wb_rst; - - wire [31:0] status; - wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int; - wire proc_int, overrun, underrun, uart_tx_int, uart_rx_int; - - wire [31:0] debug_gpio_0, debug_gpio_1; - wire [31:0] atr_lines; - - wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc, - debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp, debug_extfifo, debug_extfifo2; - - wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2; - wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2; - wire ser_rx_empty, ser_tx_empty, dsp_rx_empty, dsp_tx_empty, eth_rx_empty, eth_tx_empty, eth_rx_empty2; - - wire serdes_link_up; - wire epoch; - wire [31:0] irq; - wire [63:0] vita_time; - - wire run_rx, run_tx; - reg run_rx_d1; - always @(posedge dsp_clk) - run_rx_d1 <= run_rx; - - // /////////////////////////////////////////////////////////////////////////////////////////////// - // Wishbone Single Master INTERCON - localparam dw = 32; // Data bus width - localparam aw = 16; // Address bus width, for byte addressibility, 16 = 64K byte memory space - localparam sw = 4; // Select width -- 32-bit data bus with 8-bit granularity. - - wire [dw-1:0] m0_dat_o, m0_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, - s8_dat_o, s9_dat_o, s8_dat_i, s9_dat_i, sa_dat_o, sa_dat_i, sb_dat_i, sb_dat_o, - sc_dat_i, sc_dat_o, sd_dat_i, sd_dat_o, se_dat_i, se_dat_o; - wire [aw-1:0] m0_adr,s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr,s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr; - wire [sw-1:0] m0_sel,s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel,s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel; - wire m0_ack,s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack,s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack; - wire m0_stb,s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb,s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb; - wire m0_cyc,s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc,s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc; - wire m0_err, m0_rty; - wire m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we, se_we; - - wb_1master #(.decode_w(6), - .s0_addr(6'b0000_00),.s0_mask(6'b100000), - .s1_addr(6'b1000_00),.s1_mask(6'b110000), - .s2_addr(6'b1100_00),.s2_mask(6'b111111), - .s3_addr(6'b1100_01),.s3_mask(6'b111111), - .s4_addr(6'b1100_10),.s4_mask(6'b111111), - .s5_addr(6'b1100_11),.s5_mask(6'b111111), - .s6_addr(6'b1101_00),.s6_mask(6'b111111), - .s7_addr(6'b1101_01),.s7_mask(6'b111111), - .s8_addr(6'b1101_10),.s8_mask(6'b111111), - .s9_addr(6'b1101_11),.s9_mask(6'b111111), - .sa_addr(6'b1110_00),.sa_mask(6'b111111), - .sb_addr(6'b1110_01),.sb_mask(6'b111111), - .sc_addr(6'b1110_10),.sc_mask(6'b111111), - .sd_addr(6'b1110_11),.sd_mask(6'b111111), - .se_addr(6'b1111_00),.se_mask(6'b111111), - .sf_addr(6'b1111_01),.sf_mask(6'b111111), - .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(0),.s0_rty_i(0), - .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(0),.s1_rty_i(0), - .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(0),.s2_rty_i(0), - .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(0),.s3_rty_i(0), - .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(0),.s4_rty_i(0), - .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(0),.s5_rty_i(0), - .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(0),.s6_rty_i(0), - .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(0),.s7_rty_i(0), - .s8_dat_o(s8_dat_o),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o (s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb), - .s8_dat_i(s8_dat_i),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0), - .s9_dat_o(s9_dat_o),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o (s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb), - .s9_dat_i(s9_dat_i),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0), - .sa_dat_o(sa_dat_o),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb), - .sa_dat_i(sa_dat_i),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0), - .sb_dat_o(sb_dat_o),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb), - .sb_dat_i(sb_dat_i),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0), - .sc_dat_o(sc_dat_o),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb), - .sc_dat_i(sc_dat_i),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0), - .sd_dat_o(sd_dat_o),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb), - .sd_dat_i(sd_dat_i),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0), - .se_dat_o(se_dat_o),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb), - .se_dat_i(se_dat_i),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0), - .sf_dat_i(0),.sf_ack_i(0),.sf_err_i(0),.sf_rty_i(0) ); - - ////////////////////////////////////////////////////////////////////////////////////////// - // Reset Controller - system_control sysctrl (.wb_clk_i(wb_clk), // .por_i(por), - .ram_loader_rst_o(ram_loader_rst), - .wb_rst_o(wb_rst), - .ram_loader_done_i(ram_loader_done)); - - assign config_success = ram_loader_done; - reg takeover = 0; - - wire cpld_start_int, cpld_mode_int, cpld_done_int; - - always @(posedge wb_clk) - if(ram_loader_done) - takeover = 1; - assign cpld_misc = ~takeover; - - wire sd_clk, sd_csn, sd_mosi, sd_miso; - - assign sd_miso = cpld_din; - assign cpld_start = takeover ? sd_clk : cpld_start_int; - assign cpld_mode = takeover ? sd_csn : cpld_mode_int; - assign cpld_done = takeover ? sd_mosi : cpld_done_int; - - // /////////////////////////////////////////////////////////////////// - // RAM Loader - - wire [31:0] ram_loader_dat, if_dat; - wire [15:0] ram_loader_adr; - wire [14:0] if_adr; - wire [3:0] ram_loader_sel; - wire ram_loader_stb, ram_loader_we; - wire iwb_ack, iwb_stb; - ram_loader #(.AWIDTH(aw),.RAM_SIZE(RAM_SIZE)) - ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst), - .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr), - .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel), - .wb_we(ram_loader_we), - .ram_loader_done(ram_loader_done), - // CPLD Interface - .cpld_clk(cpld_clk), - .cpld_din(cpld_din), - .cpld_start(cpld_start_int), - .cpld_mode(cpld_mode_int), - .cpld_done(cpld_done_int), - .cpld_detached(cpld_detached)); - - // ///////////////////////////////////////////////////////////////////////// - // Processor -// aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) -// aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), -// // Instruction Wishbone bus to I-RAM -// .if_adr(if_adr), -// .if_dat(if_dat), -// // 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; - - wire [63:0] zpu_status; - zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw)) - zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(1'b1), - // Data Wishbone bus to system bus fabric - .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr), - .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc), - // Interrupts and exceptions - .zpu_status(zpu_status), .interrupt(proc_int)); - - // ///////////////////////////////////////////////////////////////////////// - // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone - // I-port connects directly to processor and ram loader - - wire flush_icache; - ram_harvard #(.AWIDTH(RAM_AW),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) - sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), - - .ram_loader_adr_i(ram_loader_adr[RAM_AW-1:0]), .ram_loader_dat_i(ram_loader_dat), - .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel), - .ram_loader_we_i(ram_loader_we), - .ram_loader_done_i(ram_loader_done), - - .if_adr(if_adr), - .if_data(if_dat), - - .dwb_adr_i(s0_adr[RAM_AW-1:0]), .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), - .flush_icache(flush_icache)); - - setting_reg #(.my_addr(7)) sr_icache (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(flush_icache)); - - // ///////////////////////////////////////////////////////////////////////// - // Buffer Pool, slave #1 - wire rd0_ready_i, rd0_ready_o; - wire rd1_ready_i, rd1_ready_o; - wire rd2_ready_i, rd2_ready_o; - wire rd3_ready_i, rd3_ready_o; - wire [3:0] rd0_flags, rd1_flags, rd2_flags, rd3_flags; - wire [31:0] rd0_dat, rd1_dat, rd2_dat, rd3_dat; - - wire wr0_ready_i, wr0_ready_o; - wire wr1_ready_i, wr1_ready_o; - wire wr2_ready_i, wr2_ready_o; - wire wr3_ready_i, wr3_ready_o; - wire [3:0] wr0_flags, wr1_flags, wr2_flags, wr3_flags; - wire [31:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat; - - wire [35:0] tx_err_data; - wire tx_err_src_rdy, tx_err_dst_rdy; - - wire [31:0] router_debug; - - packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router - (.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(),.wb_rty_o(), - - .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), - - .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0), - - .status(status), .sys_int_o(buffer_int), .debug(router_debug), - - .ser_inp_data({wr0_flags, wr0_dat}), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o), - .dsp_inp_data({wr1_flags, wr1_dat}), .dsp_inp_valid(wr1_ready_i), .dsp_inp_ready(wr1_ready_o), - .eth_inp_data({wr2_flags, wr2_dat}), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o), - .err_inp_data(tx_err_data), .err_inp_ready(tx_err_dst_rdy), .err_inp_valid(tx_err_src_rdy), - - .ser_out_data({rd0_flags, rd0_dat}), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i), - .dsp_out_data({rd1_flags, rd1_dat}), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i), - .eth_out_data({rd2_flags, rd2_dat}), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i) - ); - - // ///////////////////////////////////////////////////////////////////////// - // SPI -- Slave #2 - spi_top shared_spi - (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr[4:0]),.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(),.wb_int_o(spi_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) ); - - // ///////////////////////////////////////////////////////////////////////// - // 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[4:2]),.wb_dat_i(s3_dat_o[7:0]),.wb_dat_o(s3_dat_i[7:0]), - .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc), - .wb_ack_o(s3_ack),.wb_inta_o(i2c_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_dat_i[31:8] = 24'd0; - - // ///////////////////////////////////////////////////////////////////////// - // GPIOs -- Slave #4 - nsgpio nsgpio(.clk_i(wb_clk),.rst_i(wb_rst), - .cyc_i(s4_cyc),.stb_i(s4_stb),.adr_i(s4_adr[3:0]),.we_i(s4_we), - .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack), - .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1), - .gpio({io_tx,io_rx}) ); - - // ///////////////////////////////////////////////////////////////////////// - // Buffer Pool Status -- Slave #5 - - reg [31:0] cycle_count; - always @(posedge wb_clk) - if(wb_rst) - cycle_count <= 0; - else - cycle_count <= cycle_count + 1; - - //compatibility number -> increment when the fpga has been sufficiently altered - localparam compat_num = 32'd4; - - wb_readback_mux buff_pool_status - (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb), - .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack), - - .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0), - .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0), - .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]), - .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(32'b0),.word15(cycle_count) - ); - - // ///////////////////////////////////////////////////////////////////////// - // Ethernet MAC Slave #6 - - wire [18:0] rx_f19_data, tx_f19_data; - wire rx_f19_src_rdy, rx_f19_dst_rdy, tx_f19_src_rdy, tx_f19_dst_rdy; - - simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19 - (.clk125(clk_to_mac), .reset(wb_rst), - .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN), - .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD), - .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV), - .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD), - .sys_clk(dsp_clk), - .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy), - .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy), - .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack), - .wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i), - .mdio(MDIO), .mdc(MDC), - .debug(debug_mac)); - - wire [35:0] rx_f36_data, tx_f36_data; - wire rx_f36_src_rdy, rx_f36_dst_rdy, tx_f36_src_rdy, tx_f36_dst_rdy; - - wire [18:0] _rx_f19_data; - wire _rx_f19_src_rdy, _rx_f19_dst_rdy; - - //mac rx to eth input... - fifo19_rxrealign fifo19_rxrealign - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .datain(rx_f19_data), .src_rdy_i(rx_f19_src_rdy), .dst_rdy_o(rx_f19_dst_rdy), - .dataout(_rx_f19_data), .src_rdy_o(_rx_f19_src_rdy), .dst_rdy_i(_rx_f19_dst_rdy) ); - - fifo19_to_fifo36 eth_inp_fifo19_to_fifo36 - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .f19_datain(_rx_f19_data), .f19_src_rdy_i(_rx_f19_src_rdy), .f19_dst_rdy_o(_rx_f19_dst_rdy), - .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy), .f36_dst_rdy_i(rx_f36_dst_rdy) ); - - fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .datain(rx_f36_data), .src_rdy_i(rx_f36_src_rdy), .dst_rdy_o(rx_f36_dst_rdy), - .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o)); - - //eth output to mac tx... - fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), - .dataout(tx_f36_data), .src_rdy_o(tx_f36_src_rdy), .dst_rdy_i(tx_f36_dst_rdy)); - - fifo36_to_fifo19 eth_out_fifo36_to_fifo19 - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .f36_datain(tx_f36_data), .f36_src_rdy_i(tx_f36_src_rdy), .f36_dst_rdy_o(tx_f36_dst_rdy), - .f19_dataout(tx_f19_data), .f19_src_rdy_o(tx_f19_src_rdy), .f19_dst_rdy_i(tx_f19_dst_rdy) ); - - // ///////////////////////////////////////////////////////////////////////// - // 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), - .strobe(set_stb),.addr(set_addr),.data(set_data)); - - assign s7_dat_i = 32'd0; - - settings_bus_crossclock settings_bus_crossclock - (.clk_i(wb_clk), .rst_i(wb_rst), .set_stb_i(set_stb), .set_addr_i(set_addr), .set_data_i(set_data), - .clk_o(dsp_clk), .rst_o(dsp_rst), .set_stb_o(set_stb_dsp), .set_addr_o(set_addr_dsp), .set_data_o(set_data_dsp)); - - // Output control lines - wire [7:0] clock_outs, serdes_outs, adc_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_oe_a, adc_on_a, adc_oe_b, adc_on_b } = adc_outs[3:0]; - - wire phy_reset; - assign PHY_RESETn = ~phy_reset; - - setting_reg #(.my_addr(0),.width(8)) sr_clk (.clk(wb_clk),.rst(wb_rst),.strobe(s7_ack),.addr(set_addr), - .in(set_data),.out(clock_outs),.changed()); - setting_reg #(.my_addr(1),.width(8)) sr_ser (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(serdes_outs),.changed()); - setting_reg #(.my_addr(2),.width(8)) sr_adc (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(adc_outs),.changed()); - setting_reg #(.my_addr(4),.width(1)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(phy_reset),.changed()); - - // ///////////////////////////////////////////////////////////////////////// - // LEDS - // register 8 determines whether leds are controlled by SW or not - // 1 = controlled by HW, 0 = by SW - // In Rev3 there are only 6 leds, and the highest one is on the ETH connector - - wire [7:0] led_src, led_sw; - wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0}; - - setting_reg #(.my_addr(3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(led_sw),.changed()); - - setting_reg #(.my_addr(8),.width(8), .at_reset(8'b0001_1110)) - sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed()); - - assign leds = (led_src & led_hw) | (~led_src & led_sw); - - // ///////////////////////////////////////////////////////////////////////// - // Interrupt Controller, Slave #8 - - // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic - wire underrun_wb, overrun_wb, pps_wb; - - oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb)); - oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb)); - oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb)); - - assign irq= {{8'b0}, - {8'b0}, - {3'b0, periodic_int, clk_status, serdes_link_up, uart_tx_int, uart_rx_int}, - {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}}; - - pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]), - .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int), - .irq(irq) ); - - // ///////////////////////////////////////////////////////////////////////// - // Master Timer, Slave #9 - - // No longer used, replaced with simple_timer below - assign s9_ack = 0; - - // ///////////////////////////////////////////////////////////////////////// - // Simple Timer interrupts - - simple_timer #(.BASE(SR_SIMTIMER)) simple_timer - (.clk(wb_clk), .reset(wb_rst), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .onetime_int(onetime_int), .periodic_int(periodic_int)); - - // ///////////////////////////////////////////////////////////////////////// - // UART, Slave #10 - - simple_uart #(.TXDEPTH(3),.RXDEPTH(3)) uart // depth of 3 is 128 entries - (.clk_i(wb_clk),.rst_i(wb_rst), - .we_i(sa_we),.stb_i(sa_stb),.cyc_i(sa_cyc),.ack_o(sa_ack), - .adr_i(sa_adr[4:2]),.dat_i(sa_dat_o),.dat_o(sa_dat_i), - .rx_int_o(uart_rx_int),.tx_int_o(uart_tx_int), - .tx_o(uart_tx_o),.rx_i(uart_rx_i),.baud_o(uart_baud_o)); - - // ///////////////////////////////////////////////////////////////////////// - // ATR Controller, Slave #11 - - atr_controller atr_controller - (.clk_i(wb_clk),.rst_i(wb_rst), - .adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i), - .we_i(sb_we),.stb_i(sb_stb),.cyc_i(sb_cyc),.ack_o(sb_ack), - .run_rx(run_rx_d1),.run_tx(run_tx),.ctrl_lines(atr_lines) ); - - // ////////////////////////////////////////////////////////////////////////// - // Time Sync, Slave #12 - - // No longer used, see time_64bit. Still need to handle mimo time, though - assign sc_ack = 0; - - // ///////////////////////////////////////////////////////////////////////// - // SD Card Reader / Writer, Slave #13 - - sd_spi_wb sd_spi_wb - (.clk(wb_clk),.rst(wb_rst), - .sd_clk(sd_clk),.sd_csn(sd_csn),.sd_mosi(sd_mosi),.sd_miso(sd_miso), - .wb_cyc_i(sd_cyc),.wb_stb_i(sd_stb),.wb_we_i(sd_we), - .wb_adr_i(sd_adr[3:2]),.wb_dat_i(sd_dat_o[7:0]),.wb_dat_o(sd_dat_i[7:0]), - .wb_ack_o(sd_ack) ); - - assign sd_dat_i[31:8] = 0; - - // ///////////////////////////////////////////////////////////////////////// - // DSP RX - wire [31:0] sample_rx, sample_tx; - wire strobe_rx, strobe_tx; - wire rx_dst_rdy, rx_src_rdy, rx1_dst_rdy, rx1_src_rdy; - wire [99:0] rx_data; - wire [35:0] rx1_data; - - dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx - (.clk(dsp_clk),.rst(dsp_rst), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b), - .sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx), - .debug(debug_rx_dsp) ); - - wire [31:0] vrc_debug; - wire clear_rx; - - setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear - (.clk(dsp_clk),.rst(dsp_rst), - .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp), - .out(),.changed(clear_rx)); - - vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control - (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .vita_time(vita_time), .overrun(overrun), - .sample(sample_rx), .run(run_rx), .strobe(strobe_rx), - .sample_fifo_o(rx_data), .sample_fifo_dst_rdy_i(rx_dst_rdy), .sample_fifo_src_rdy_o(rx_src_rdy), - .debug_rx(vrc_debug)); - - wire [3:0] vita_state; - - vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer - (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy), - .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy), - .fifo_occupied(), .fifo_full(), .fifo_empty(), - .debug_rx(vita_state) ); - - fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade - (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), - .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy), - .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o)); - - // /////////////////////////////////////////////////////////////////////////////////// - // DSP TX - - wire [35:0] tx_data; - wire tx_src_rdy, tx_dst_rdy; - wire [31:0] debug_vt; - wire clear_tx; - - setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx - (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(clear_tx)); - - ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19)) - ext_fifo_i1 - (.int_clk(dsp_clk), - .ext_clk(clk_to_mac), - .rst(dsp_rst | clear_tx), - .RAM_D_pi(RAM_D_pi), - .RAM_D_po(RAM_D_po), - .RAM_D_poe(RAM_D_poe), - .RAM_A(RAM_A), - .RAM_WEn(RAM_WEn), - .RAM_CENn(RAM_CENn), - .RAM_LDn(RAM_LDn), - .RAM_OEn(RAM_OEn), - .RAM_CE1n(RAM_CE1n), - .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}), - .src_rdy_i(rd1_ready_o), - .dst_rdy_o(rd1_ready_i), - .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}), - .src_rdy_o(tx_src_rdy), - .dst_rdy_i(tx_dst_rdy), - .debug(debug_extfifo), - .debug2(debug_extfifo2) ); - - vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP), - .REPORT_ERROR(1), .DO_FLOW_CONTROL(1), - .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1)) - vita_tx_chain - (.clk(dsp_clk), .reset(dsp_rst), - .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .vita_time(vita_time), - .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy), - .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy), - .dac_a(dac_a),.dac_b(dac_b), - .underrun(underrun), .run(run_tx), - .debug(debug_vt)); - - // /////////////////////////////////////////////////////////////////////////////////// - // SERDES - - serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes - (.clk(dsp_clk),.rst(dsp_rst), - .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb), - .rd_dat_i(rd0_dat),.rd_flags_i(rd0_flags),.rd_ready_o(rd0_ready_i),.rd_ready_i(rd0_ready_o), - .ser_rx_clk(ser_rx_clk),.ser_r(ser_r),.ser_rklsb(ser_rklsb),.ser_rkmsb(ser_rkmsb), - .wr_dat_o(wr0_dat),.wr_flags_o(wr0_flags),.wr_ready_o(wr0_ready_i),.wr_ready_i(wr0_ready_o), - .tx_occupied(ser_tx_occ),.tx_full(ser_tx_full),.tx_empty(ser_tx_empty), - .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty), - .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) ); - - assign RAM_CLK = clk_to_mac; - - // ///////////////////////////////////////////////////////////////////////// - // VITA Timing - - time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit - (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), - .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int)); - - // ///////////////////////////////////////////////////////////////////////////////////////// - // Debug Pins - - assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac}; - assign debug = 32'd0; // debug_extfifo; - assign debug_gpio_0 = 32'd0; - assign debug_gpio_1 = 32'd0; - -endmodule // u2_core |