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-rw-r--r--fpga/usrp2/top/u2_rev3/Makefile.udp2
-rw-r--r--[-rwxr-xr-x]fpga/usrp2/top/u2_rev3/u2_core.v2
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_core_udp.v255
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_rev3.ucf151
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_rev3.v320
5 files changed, 360 insertions, 370 deletions
diff --git a/fpga/usrp2/top/u2_rev3/Makefile.udp b/fpga/usrp2/top/u2_rev3/Makefile.udp
index 9962887d4..99effb038 100644
--- a/fpga/usrp2/top/u2_rev3/Makefile.udp
+++ b/fpga/usrp2/top/u2_rev3/Makefile.udp
@@ -24,6 +24,8 @@ include ../../vrt/Makefile.srcs
include ../../udp/Makefile.srcs
include ../../coregen/Makefile.srcs
include ../../extram/Makefile.srcs
+include ../../extramfifo/Makefile.srcs
+
##################################################
# Project Properties
diff --git a/fpga/usrp2/top/u2_rev3/u2_core.v b/fpga/usrp2/top/u2_rev3/u2_core.v
index 9ba3cc136..a5963f6b1 100755..100644
--- a/fpga/usrp2/top/u2_rev3/u2_core.v
+++ b/fpga/usrp2/top/u2_rev3/u2_core.v
@@ -123,7 +123,7 @@ module u2_core
output [18:0] RAM_A,
output RAM_CE1n,
output RAM_CENn,
- output RAM_CLK,
+ // output RAM_CLK,
output RAM_WEn,
output RAM_OEn,
output RAM_LDn,
diff --git a/fpga/usrp2/top/u2_rev3/u2_core_udp.v b/fpga/usrp2/top/u2_rev3/u2_core_udp.v
index c9502898b..9e62ee1cc 100644
--- a/fpga/usrp2/top/u2_rev3/u2_core_udp.v
+++ b/fpga/usrp2/top/u2_rev3/u2_core_udp.v
@@ -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,
@@ -160,6 +161,7 @@ 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, onetime_int, periodic_int, buffer_int;
@@ -169,7 +171,7 @@ module u2_core
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_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;
@@ -412,7 +414,7 @@ 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
@@ -425,7 +427,7 @@ module u2_core
cycle_count <= cycle_count + 1;
//compatibility number -> increment when the fpga has been sufficiently altered
- localparam compat_num = 32'd2;
+ localparam compat_num = 32'd3;
wb_readback_mux buff_pool_status
(.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
@@ -539,10 +541,17 @@ module u2_core
// /////////////////////////////////////////////////////////////////////////
// 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_int,overrun,underrun,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_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),
@@ -552,14 +561,6 @@ module u2_core
// Master Timer, Slave #9
// No longer used, replaced with simple_timer below
- /*
- 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) );
- */
assign s9_ack = 0;
// /////////////////////////////////////////////////////////////////////////
@@ -623,9 +624,15 @@ module u2_core
.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(0),
+ (.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),
@@ -635,7 +642,7 @@ module u2_core
wire [3:0] vita_state;
vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ (.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),
@@ -643,7 +650,7 @@ module u2_core
.debug_rx(vita_state) );
fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ (.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));
@@ -653,14 +660,38 @@ module u2_core
wire [35:0] tx_data;
wire tx_src_rdy, tx_dst_rdy;
wire [31:0] debug_vt;
-
- fifo_cascade #(.WIDTH(36), .SIZE(DSP_TX_FIFOSIZE)) tx_fifo_cascade
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
- .datain({rd1_flags,rd1_dat}), .src_rdy_i(rd1_ready_o), .dst_rdy_o(rd1_ready_i),
- .dataout(tx_data), .src_rdy_o(tx_src_rdy), .dst_rdy_i(tx_dst_rdy) );
+ 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), .PROT_ENG_FLAGS(1))
+ .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),
@@ -671,8 +702,6 @@ module u2_core
.underrun(underrun), .run(run_tx),
.debug(debug_vt));
- assign dsp_rst = wb_rst;
-
// ///////////////////////////////////////////////////////////////////////////////////
// SERDES
@@ -686,40 +715,7 @@ 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_CE1n = 0;
- assign RAM_D[17:16] = 2'bzz;
- */
+ assign RAM_CLK = clk_to_mac;
// /////////////////////////////////////////////////////////////////////////
// VITA Timing
@@ -731,146 +727,9 @@ module u2_core
// /////////////////////////////////////////////////////////////////////////////////////////
// Debug Pins
- assign debug_clk = 2'b00;
- assign debug = 32'd0;
+ 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
-
-/*
- // 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] = GMII_RX_CLK; // wb_clk;
- assign debug_clk[1] = dsp_clk;
-*/
-/*
-
- 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 = debug_udp;
- // assign debug = vrc_debug;
-/*
- assign debug_gpio_0 = { {pps_in, pps_int, 2'd0, vita_state},
- {2'd0, rx_dst_rdy, rx_src_rdy, rx_data[99:96]},
- {run_rx_d1, run_rx, strobe_rx, overrun, wr1_flags[3:0]} ,
- {wr1_ready_i, wr1_ready_o, rx1_src_rdy, rx1_dst_rdy, rx1_data[35:32]}};
-*/
-// assign debug_gpio_1 = {vita_time[63:32] };
-/*
- assign debug_gpio_1 = { { tx_f19_data[15:8] },
- { tx_f19_data[7:0] },
- { 3'd0, tx_f19_src_rdy, tx_f19_dst_rdy, tx_f19_data[18:16] },
- { 2'b0, rd2_ready_i, rd2_ready_o, rd2_flags } };
- */
-
-// 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/fpga/usrp2/top/u2_rev3/u2_rev3.ucf b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
index 6aa699d2a..6e0caedd5 100644
--- a/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
+++ b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
@@ -74,49 +74,49 @@ NET "MDC" LOC = "V18" ;
NET "PHY_INTn" LOC = "AB13" ;
NET "PHY_RESETn" LOC = "AA19" ;
NET "PHY_CLK" LOC = "V15" ;
-NET "RAM_D[0]" LOC = "N20" ;
-NET "RAM_D[1]" LOC = "N21" ;
-NET "RAM_D[2]" LOC = "N22" ;
-NET "RAM_D[3]" LOC = "M17" ;
-NET "RAM_D[4]" LOC = "M18" ;
-NET "RAM_D[5]" LOC = "M19" ;
-NET "RAM_D[6]" LOC = "M20" ;
-NET "RAM_D[7]" LOC = "M21" ;
-NET "RAM_D[8]" LOC = "M22" ;
-NET "RAM_D[9]" LOC = "Y22" ;
-NET "RAM_D[10]" LOC = "Y21" ;
-NET "RAM_D[11]" LOC = "Y20" ;
-NET "RAM_D[12]" LOC = "Y19" ;
-NET "RAM_D[13]" LOC = "W22" ;
-NET "RAM_D[14]" LOC = "W21" ;
-NET "RAM_D[15]" LOC = "W20" ;
-NET "RAM_D[16]" LOC = "W19" ;
-NET "RAM_D[17]" LOC = "V22" ;
-NET "RAM_A[0]" LOC = "U21" ;
-NET "RAM_A[1]" LOC = "T19" ;
-NET "RAM_A[2]" LOC = "V21" ;
-NET "RAM_A[3]" LOC = "V20" ;
-NET "RAM_A[4]" LOC = "T20" ;
-NET "RAM_A[5]" LOC = "T21" ;
-NET "RAM_A[6]" LOC = "T22" ;
-NET "RAM_A[7]" LOC = "T18" ;
-NET "RAM_A[8]" LOC = "R18" ;
-NET "RAM_A[9]" LOC = "P19" ;
-NET "RAM_A[10]" LOC = "P21" ;
-NET "RAM_A[11]" LOC = "P22" ;
-NET "RAM_A[12]" LOC = "N19" ;
-NET "RAM_A[13]" LOC = "N17" ;
-NET "RAM_A[14]" LOC = "N18" ;
-NET "RAM_A[15]" LOC = "T17" ;
-NET "RAM_A[16]" LOC = "U19" ;
-NET "RAM_A[17]" LOC = "U18" ;
-NET "RAM_A[18]" LOC = "V19" ;
-NET "RAM_CE1n" LOC = "U20" ;
-NET "RAM_CENn" LOC = "P18" ;
-NET "RAM_CLK" LOC = "P17" ;
-NET "RAM_WEn" LOC = "R22" ;
-NET "RAM_OEn" LOC = "R21" ;
-NET "RAM_LDn" LOC = "R19" ;
+NET "RAM_D[0]" LOC = "N20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[1]" LOC = "N21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[2]" LOC = "N22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[3]" LOC = "M17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[4]" LOC = "M18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[5]" LOC = "M19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[6]" LOC = "M20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[7]" LOC = "M21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[8]" LOC = "M22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[9]" LOC = "Y22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[10]" LOC = "Y21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[11]" LOC = "Y20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[12]" LOC = "Y19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[13]" LOC = "W22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[14]" LOC = "W21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[15]" LOC = "W20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[16]" LOC = "W19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_D[17]" LOC = "V22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[0]" LOC = "U21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[1]" LOC = "T19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[2]" LOC = "V21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[3]" LOC = "V20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[4]" LOC = "T20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[5]" LOC = "T21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[6]" LOC = "T22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[7]" LOC = "T18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[8]" LOC = "R18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[9]" LOC = "P19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[10]" LOC = "P21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[11]" LOC = "P22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[12]" LOC = "N19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[13]" LOC = "N17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[14]" LOC = "N18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[15]" LOC = "T17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[16]" LOC = "U19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[17]" LOC = "U18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_A[18]" LOC = "V19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_CE1n" LOC = "U20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_CENn" LOC = "P18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_CLK" LOC = "P17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_WEn" LOC = "R22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_OEn" LOC = "R21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+NET "RAM_LDn" LOC = "R19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
NET "ser_enable" LOC = "W11" ;
NET "ser_prbsen" LOC = "AA3" ;
NET "ser_loopen" LOC = "Y4" ;
@@ -264,22 +264,22 @@ NET "sdi_tx_adc" LOC = "J4" ;
NET "sen_tx_dac" LOC = "H4" ;
NET "sclk_tx_dac" LOC = "J5" ;
NET "sdi_tx_dac" LOC = "J6" ;
-NET "io_tx[0]" LOC = "K4" ;
-NET "io_tx[1]" LOC = "K3" ;
-NET "io_tx[2]" LOC = "G1" ;
-NET "io_tx[3]" LOC = "G5" ;
-NET "io_tx[4]" LOC = "H5" ;
-NET "io_tx[5]" LOC = "F3" ;
-NET "io_tx[6]" LOC = "F2" ;
-NET "io_tx[7]" LOC = "F5" ;
-NET "io_tx[8]" LOC = "G6" ;
-NET "io_tx[9]" LOC = "E2" ;
-NET "io_tx[10]" LOC = "E1" ;
-NET "io_tx[11]" LOC = "E3" ;
-NET "io_tx[12]" LOC = "F4" ;
-NET "io_tx[13]" LOC = "D2" ;
-NET "io_tx[14]" LOC = "D4" ;
-NET "io_tx[15]" LOC = "E4" ;
+NET "io_tx[0]" LOC = "K4" ;
+NET "io_tx[1]" LOC = "K3" ;
+NET "io_tx[2]" LOC = "G1" ;
+NET "io_tx[3]" LOC = "G5" ;
+NET "io_tx[4]" LOC = "H5" ;
+NET "io_tx[5]" LOC = "F3" ;
+NET "io_tx[6]" LOC = "F2" ;
+NET "io_tx[7]" LOC = "F5" ;
+NET "io_tx[8]" LOC = "G6" ;
+NET "io_tx[9]" LOC = "E2" ;
+NET "io_tx[10]" LOC = "E1" ;
+NET "io_tx[11]" LOC = "E3" ;
+NET "io_tx[12]" LOC = "F4" ;
+NET "io_tx[13]" LOC = "D2" ;
+NET "io_tx[14]" LOC = "D4" ;
+NET "io_tx[15]" LOC = "E4" ;
NET "sen_rx_db" LOC = "D22" ;
NET "sclk_rx_db" LOC = "F19" ;
NET "sdo_rx_db" LOC = "G20" ;
@@ -291,22 +291,22 @@ NET "sdi_rx_adc" LOC = "H22" ;
NET "sen_rx_dac" LOC = "J18" ;
NET "sclk_rx_dac" LOC = "J19" ;
NET "sdi_rx_dac" LOC = "J21" ;
-NET "io_rx[0]" LOC = "L21" ;
-NET "io_rx[1]" LOC = "L20" ;
-NET "io_rx[2]" LOC = "L19" ;
-NET "io_rx[3]" LOC = "L18" ;
-NET "io_rx[4]" LOC = "L17" ;
-NET "io_rx[5]" LOC = "K22" ;
-NET "io_rx[6]" LOC = "K21" ;
-NET "io_rx[7]" LOC = "K20" ;
-NET "io_rx[8]" LOC = "G22" ;
-NET "io_rx[9]" LOC = "G21" ;
-NET "io_rx[10]" LOC = "F21" ;
-NET "io_rx[11]" LOC = "F20" ;
-NET "io_rx[12]" LOC = "G19" ;
-NET "io_rx[13]" LOC = "G18" ;
-NET "io_rx[14]" LOC = "G17" ;
-NET "io_rx[15]" LOC = "E22" ;
+NET "io_rx[0]" LOC = "L21" ;
+NET "io_rx[1]" LOC = "L20" ;
+NET "io_rx[2]" LOC = "L19" ;
+NET "io_rx[3]" LOC = "L18" ;
+NET "io_rx[4]" LOC = "L17" ;
+NET "io_rx[5]" LOC = "K22" ;
+NET "io_rx[6]" LOC = "K21" ;
+NET "io_rx[7]" LOC = "K20" ;
+NET "io_rx[8]" LOC = "G22" ;
+NET "io_rx[9]" LOC = "G21" ;
+NET "io_rx[10]" LOC = "F21" ;
+NET "io_rx[11]" LOC = "F20" ;
+NET "io_rx[12]" LOC = "G19" ;
+NET "io_rx[13]" LOC = "G18" ;
+NET "io_rx[14]" LOC = "G17" ;
+NET "io_rx[15]" LOC = "E22" ;
NET "clk_to_mac" TNM_NET = "clk_to_mac";
TIMESPEC "TS_clk_to_mac" = PERIOD "clk_to_mac" 8 ns HIGH 50 %;
@@ -324,6 +324,7 @@ NET "ser_rx_clk" TNM_NET = "ser_rx_clk";
TIMESPEC "TS_ser_rx_clk" = PERIOD "ser_rx_clk" 10 ns HIGH 50 %;
NET "cpld_clk" CLOCK_DEDICATED_ROUTE = FALSE;
+NET "GMII_RX_CLK" CLOCK_DEDICATED_ROUTE = FALSE;
#NET "adc_a<*>" TNM_NET = ADC_DATA_GRP;
#NET "adc_b<*>" TNM_NET = ADC_DATA_GRP;
diff --git a/fpga/usrp2/top/u2_rev3/u2_rev3.v b/fpga/usrp2/top/u2_rev3/u2_rev3.v
index 4daa66212..4f7f9bf1a 100644
--- a/fpga/usrp2/top/u2_rev3/u2_rev3.v
+++ b/fpga/usrp2/top/u2_rev3/u2_rev3.v
@@ -330,8 +330,8 @@ module u2_rev3
wire [15:0] dac_a_int, dac_b_int;
// DAC A and B are swapped in schematic to facilitate clean layout
// DAC A is also inverted in schematic to facilitate clean layout
- always @(negedge dsp_clk) dac_a <= ~dac_b_int;
- always @(negedge dsp_clk) dac_b <= dac_a_int;
+ always @(posedge dsp_clk) dac_a <= ~dac_b_int;
+ always @(posedge dsp_clk) dac_b <= dac_a_int;
/*
OFDDRRSE OFDDRRSE_serdes_inst
@@ -345,100 +345,228 @@ module u2_rev3
.S(0) // Synchronous preset input
);
*/
+
+ wire [17:0] RAM_D_pi;
+ wire [17:0] RAM_D_po;
+ wire RAM_D_poe;
+
+ genvar i;
+
+ //
+ // Instantiate IO for Bidirectional bus to SRAM
+ //
+
+ generate
+ for (i=0;i<18;i=i+1)
+ begin : gen_RAM_D_IO
+
+ IOBUF #(
+ .DRIVE(12),
+ .IOSTANDARD("LVCMOS25"),
+ .SLEW("FAST")
+ )
+ RAM_D_i (
+ .O(RAM_D_pi[i]),
+ .I(RAM_D_po[i]),
+ .IO(RAM_D[i]),
+ .T(RAM_D_poe)
+ );
+ end // block: gen_RAM_D_IO
+ endgenerate
+
+ //
+ // DCM edits start here
+ //
+
+
+ wire RAM_CLK_buf;
+ wire clk_to_mac_buf;
+ wire clk125_ext_clk0;
+ wire clk125_ext_clk180;
+ wire clk125_ext_clk0_buf;
+ wire clk125_ext_clk180_buf;
+ wire clk125_int_buf;
+ wire clk125_int;
+
+ IBUFG clk_to_mac_buf_i1 (.I(clk_to_mac),
+ .O(clk_to_mac_buf));
+
+ DCM DCM_INST1 (.CLKFB(RAM_CLK_buf),
+ .CLKIN(clk_to_mac_buf),
+ .DSSEN(1'b0),
+ .PSCLK(1'b0),
+ .PSEN(1'b0),
+ .PSINCDEC(1'b0),
+ .RST(1'b0),
+ .CLK0(clk125_ext_clk0),
+ .CLK180(clk125_ext_clk180) );
+ defparam DCM_INST1.CLK_FEEDBACK = "1X";
+ defparam DCM_INST1.CLKDV_DIVIDE = 2.0;
+ defparam DCM_INST1.CLKFX_DIVIDE = 1;
+ defparam DCM_INST1.CLKFX_MULTIPLY = 4;
+ defparam DCM_INST1.CLKIN_DIVIDE_BY_2 = "FALSE";
+ defparam DCM_INST1.CLKIN_PERIOD = 8.000;
+ defparam DCM_INST1.CLKOUT_PHASE_SHIFT = "FIXED";
+ defparam DCM_INST1.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
+ defparam DCM_INST1.DFS_FREQUENCY_MODE = "LOW";
+ defparam DCM_INST1.DLL_FREQUENCY_MODE = "LOW";
+ defparam DCM_INST1.DUTY_CYCLE_CORRECTION = "TRUE";
+ defparam DCM_INST1.FACTORY_JF = 16'h8080;
+ defparam DCM_INST1.PHASE_SHIFT = -64;
+ defparam DCM_INST1.STARTUP_WAIT = "FALSE";
+
+ IBUFG RAM_CLK_buf_i1 (.I(RAM_CLK),
+ .O(RAM_CLK_buf));
+ BUFG clk125_ext_clk0_buf_i1 (.I(clk125_ext_clk0),
+ .O(clk125_ext_clk0_buf));
+ BUFG clk125_ext_clk180_buf_i1 (.I(clk125_ext_clk180),
+ .O(clk125_ext_clk180_buf));
+
+ OFDDRRSE RAM_CLK_i1 (.Q(RAM_CLK),
+ .C0(clk125_ext_clk0_buf),
+ .C1(clk125_ext_clk180_buf),
+ .CE(1'b1),
+ .D0(1'b1),
+ .D1(1'b0),
+ .R(1'b0),
+ .S(1'b0));
+
+// SRL16 dcm2_rst_i1 (.D(1'b0),
+// .CLK(clk_to_mac_buf),
+// .Q(dcm2_rst),
+// .A0(1'b1),
+// .A1(1'b1),
+// .A2(1'b1),
+// .A3(1'b1));
+ // synthesis attribute init of dcm2_rst_i1 is "000F";
+
+ DCM DCM_INST2 (.CLKFB(clk125_int_buf),
+ .CLKIN(clk_to_mac_buf),
+ .DSSEN(1'b0),
+ .PSCLK(1'b0),
+ .PSEN(1'b0),
+ .PSINCDEC(1'b0),
+ .RST(1'b0),
+ .CLK0(clk125_int));
+ defparam DCM_INST2.CLK_FEEDBACK = "1X";
+ defparam DCM_INST2.CLKDV_DIVIDE = 2.0;
+ defparam DCM_INST2.CLKFX_DIVIDE = 1;
+ defparam DCM_INST2.CLKFX_MULTIPLY = 4;
+ defparam DCM_INST2.CLKIN_DIVIDE_BY_2 = "FALSE";
+ defparam DCM_INST2.CLKIN_PERIOD = 8.000;
+ defparam DCM_INST2.CLKOUT_PHASE_SHIFT = "NONE";
+ defparam DCM_INST2.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
+ defparam DCM_INST2.DFS_FREQUENCY_MODE = "LOW";
+ defparam DCM_INST2.DLL_FREQUENCY_MODE = "LOW";
+ defparam DCM_INST2.DUTY_CYCLE_CORRECTION = "TRUE";
+ defparam DCM_INST2.FACTORY_JF = 16'h8080;
+ defparam DCM_INST2.PHASE_SHIFT = 0;
+ defparam DCM_INST2.STARTUP_WAIT = "FALSE";
+
+ BUFG clk125_int_buf_i1 (.I(clk125_int),
+ .O(clk125_int_buf));
+
+ //
+ // DCM edits end here
+ //
+
+
u2_core #(.RAM_SIZE(32768))
- u2_core(.dsp_clk (dsp_clk),
- .wb_clk (wb_clk),
- .clock_ready (clock_ready),
- .clk_to_mac (clk_to_mac),
- .pps_in (pps_in),
- .leds (leds_int),
- .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_unreg[7:0]),
- .GMII_TX_EN (GMII_TX_EN_unreg),
- .GMII_TX_ER (GMII_TX_ER_unreg),
- .GMII_GTX_CLK (GMII_GTX_CLK_int),
- .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),
- .ser_enable (ser_enable),
- .ser_prbsen (ser_prbsen),
- .ser_loopen (ser_loopen),
- .ser_rx_en (ser_rx_en),
- .ser_tx_clk (ser_tx_clk_int),
- .ser_t (ser_t_unreg[15:0]),
- .ser_tklsb (ser_tklsb_unreg),
- .ser_tkmsb (ser_tkmsb_unreg),
- .ser_rx_clk (ser_rx_clk_buf),
- .ser_r (ser_r_int[15:0]),
- .ser_rklsb (ser_rklsb_int),
- .ser_rkmsb (ser_rkmsb_int),
- .cpld_start (cpld_start),
- .cpld_mode (cpld_mode),
- .cpld_done (cpld_done),
- .cpld_din (cpld_din),
- .cpld_clk (cpld_clk),
- .cpld_detached (cpld_detached),
- .cpld_misc (cpld_misc),
- .cpld_init_b (cpld_init_b),
- .por (~POR),
- .config_success (config_success),
- .adc_a (adc_a_reg2),
- .adc_ovf_a (adc_ovf_a_reg2),
- .adc_on_a (adc_on_a),
- .adc_oe_a (adc_oe_a),
- .adc_b (adc_b_reg2),
- .adc_ovf_b (adc_ovf_b_reg2),
- .adc_on_b (adc_on_b),
- .adc_oe_b (adc_oe_b),
- .dac_a (dac_a_int),
- .dac_b (dac_b_int),
- .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_int),
- .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]),
- .RAM_D (RAM_D),
- .RAM_A (RAM_A),
- .RAM_CE1n (RAM_CE1n),
- .RAM_CENn (RAM_CENn),
- .RAM_CLK (RAM_CLK),
- .RAM_WEn (RAM_WEn),
- .RAM_OEn (RAM_OEn),
- .RAM_LDn (RAM_LDn),
- .uart_tx_o (uart_tx_o),
- .uart_rx_i (uart_rx_i),
- .uart_baud_o (),
- .sim_mode (1'b0),
- .clock_divider (2)
- );
+ u2_core(.dsp_clk (dsp_clk),
+ .wb_clk (wb_clk),
+ .clock_ready (clock_ready),
+ .clk_to_mac (clk125_int_buf),
+ .pps_in (pps_in),
+ .leds (leds_int),
+ .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_unreg[7:0]),
+ .GMII_TX_EN (GMII_TX_EN_unreg),
+ .GMII_TX_ER (GMII_TX_ER_unreg),
+ .GMII_GTX_CLK (GMII_GTX_CLK_int),
+ .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),
+ .ser_enable (ser_enable),
+ .ser_prbsen (ser_prbsen),
+ .ser_loopen (ser_loopen),
+ .ser_rx_en (ser_rx_en),
+ .ser_tx_clk (ser_tx_clk_int),
+ .ser_t (ser_t_unreg[15:0]),
+ .ser_tklsb (ser_tklsb_unreg),
+ .ser_tkmsb (ser_tkmsb_unreg),
+ .ser_rx_clk (ser_rx_clk_buf),
+ .ser_r (ser_r_int[15:0]),
+ .ser_rklsb (ser_rklsb_int),
+ .ser_rkmsb (ser_rkmsb_int),
+ .cpld_start (cpld_start),
+ .cpld_mode (cpld_mode),
+ .cpld_done (cpld_done),
+ .cpld_din (cpld_din),
+ .cpld_clk (cpld_clk),
+ .cpld_detached (cpld_detached),
+ .cpld_misc (cpld_misc),
+ .cpld_init_b (cpld_init_b),
+ .por (~POR),
+ .config_success (config_success),
+ .adc_a (adc_a_reg2),
+ .adc_ovf_a (adc_ovf_a_reg2),
+ .adc_on_a (adc_on_a),
+ .adc_oe_a (adc_oe_a),
+ .adc_b (adc_b_reg2),
+ .adc_ovf_b (adc_ovf_b_reg2),
+ .adc_on_b (adc_on_b),
+ .adc_oe_b (adc_oe_b),
+ .dac_a (dac_a_int),
+ .dac_b (dac_b_int),
+ .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_int),
+ .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]),
+ .RAM_D_pi (RAM_D_pi),
+ .RAM_D_po (RAM_D_po),
+ .RAM_D_poe (RAM_D_poe),
+ .RAM_A (RAM_A),
+ .RAM_CE1n (RAM_CE1n),
+ .RAM_CENn (RAM_CENn),
+ // .RAM_CLK (RAM_CLK),
+ .RAM_WEn (RAM_WEn),
+ .RAM_OEn (RAM_OEn),
+ .RAM_LDn (RAM_LDn),
+ .uart_tx_o (uart_tx_o),
+ .uart_rx_i (uart_rx_i),
+ .uart_baud_o (),
+ .sim_mode (1'b0),
+ .clock_divider (2)
+ );
endmodule // u2_rev2