diff options
Diffstat (limited to 'usrp2/top/u2_rev2/u2_rev2.v')
| -rw-r--r-- | usrp2/top/u2_rev2/u2_rev2.v | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/usrp2/top/u2_rev2/u2_rev2.v b/usrp2/top/u2_rev2/u2_rev2.v deleted file mode 100644 index 517285e52..000000000 --- a/usrp2/top/u2_rev2/u2_rev2.v +++ /dev/null @@ -1,417 +0,0 @@ -`timescale 1ns / 1ps -////////////////////////////////////////////////////////////////////////////////// - -module u2_rev2 - ( - // Misc, debug - output [4:0] leds, - output [31:0] debug, - output [1:0] debug_clk, - output uart_tx_o, - input uart_rx_i, - - // Expansion - input exp_pps_in_p, // Diff - input exp_pps_in_n, // Diff - output exp_pps_out_p, // Diff - output exp_pps_out_n, // Diff - - // GMII - // GMII-CTRL - input GMII_COL, - input GMII_CRS, - - // GMII-TX - output reg [7:0] GMII_TXD, - output reg GMII_TX_EN, - output reg 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, - input PHY_CLK, // possibly use on-board osc - - // RAM - inout [17:0] RAM_D, - output [18:0] RAM_A, - output RAM_CE1n, - output RAM_CENn, - output RAM_CLK, - output RAM_WEn, - output RAM_OEn, - output RAM_LDn, - - // SERDES - output ser_enable, - output ser_prbsen, - output ser_loopen, - output ser_rx_en, - - output ser_tx_clk, - output reg [15:0] ser_t, - output reg ser_tklsb, - output reg ser_tkmsb, - - input ser_rx_clk, - input [15:0] ser_r, - input ser_rklsb, - input ser_rkmsb, - - // CPLD interface - output cpld_start, // AA9 - output cpld_mode, // U12 - output cpld_done, // V12 - input cpld_din, // AA14 Now shared with CFG_Din - input cpld_clk, // AB14 serial clock - input cpld_detached,// V11 unused - output cpld_init_b, // W12 unused dual purpose - output cpld_misc, // Y12 - - // 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 reg [15:0] dac_a, - output reg [15:0] dac_b, - input dac_lock, // unused for now - - // I2C - inout SCL, - inout SDA, - - // 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, - - // Clocks - input clk_fpga_p, // Diff - input clk_fpga_n, // Diff - input clk_to_mac, - input pps_in, - - // Generic SPI - output sclk, - output sen_clk, - output sen_dac, - output sdi, - input sdo, - - // TX DBoard - output sen_tx_db, - output sclk_tx_db, - input sdo_tx_db, - output sdi_tx_db, - - output sen_tx_adc, - output sclk_tx_adc, - input sdo_tx_adc, - output sdi_tx_adc, - - output sen_tx_dac, - output sclk_tx_dac, - output sdi_tx_dac, - - inout [15:0] io_tx, - - // RX DBoard - output sen_rx_db, - output sclk_rx_db, - input sdo_rx_db, - output sdi_rx_db, - - output sen_rx_adc, - output sclk_rx_adc, - input sdo_rx_adc, - output sdi_rx_adc, - - output sen_rx_dac, - output sclk_rx_dac, - output sdi_rx_dac, - - inout [15:0] io_rx - ); - - assign cpld_init_b = 0; - // FPGA-specific pins connections - wire clk_fpga, dsp_clk, clk_div, dcm_out, wb_clk, clock_ready; - wire clk90, clk180, clk270; - - IBUFGDS clk_fpga_pin (.O(clk_fpga),.I(clk_fpga_p),.IB(clk_fpga_n)); - defparam clk_fpga_pin.IOSTANDARD = "LVPECL_25"; - - wire exp_pps_in; - IBUFDS exp_pps_in_pin (.O(exp_pps_in),.I(exp_pps_in_p),.IB(exp_pps_in_n)); - defparam exp_pps_in_pin.IOSTANDARD = "LVDS_25"; - - wire exp_pps_out; - OBUFDS exp_pps_out_pin (.O(exp_pps_out_p),.OB(exp_pps_out_n),.I(exp_pps_out)); - defparam exp_pps_out_pin.IOSTANDARD = "LVDS_25"; - - reg [5:0] clock_ready_d; - always @(posedge clk_fpga) - clock_ready_d[5:0] <= {clock_ready_d[4:0],clock_ready}; - wire dcm_rst = ~&clock_ready_d & |clock_ready_d; - - wire adc_on_a, adc_on_b, adc_oe_a, adc_oe_b; - assign adc_oen_a = ~adc_oe_a; - assign adc_oen_b = ~adc_oe_b; - assign adc_pdn_a = ~adc_on_a; - assign adc_pdn_b = ~adc_on_b; - - 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_b_reg1 <= adc_b; - adc_ovf_a_reg1 <= adc_ovf_a; - adc_ovf_b_reg1 <= adc_ovf_b; - end - - always @(posedge dsp_clk) - begin - adc_a_reg2 <= adc_a_reg1; - adc_b_reg2 <= adc_b_reg1; - adc_ovf_a_reg2 <= adc_ovf_a_reg1; - adc_ovf_b_reg2 <= adc_ovf_b_reg1; - end // always @ (posedge dsp_clk) - - // Handle Clocks - DCM DCM_INST (.CLKFB(dsp_clk), - .CLKIN(clk_fpga), - .DSSEN(0), - .PSCLK(0), - .PSEN(0), - .PSINCDEC(0), - .RST(dcm_rst), - .CLKDV(clk_div), - .CLKFX(), - .CLKFX180(), - .CLK0(dcm_out), - .CLK2X(), - .CLK2X180(), - .CLK90(clk90), - .CLK180(clk180), - .CLK270(clk270), - .LOCKED(LOCKED_OUT), - .PSDONE(), - .STATUS()); - defparam DCM_INST.CLK_FEEDBACK = "1X"; - defparam DCM_INST.CLKDV_DIVIDE = 2.0; - defparam DCM_INST.CLKFX_DIVIDE = 1; - defparam DCM_INST.CLKFX_MULTIPLY = 4; - defparam DCM_INST.CLKIN_DIVIDE_BY_2 = "FALSE"; - defparam DCM_INST.CLKIN_PERIOD = 10.000; - defparam DCM_INST.CLKOUT_PHASE_SHIFT = "NONE"; - defparam DCM_INST.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS"; - defparam DCM_INST.DFS_FREQUENCY_MODE = "LOW"; - defparam DCM_INST.DLL_FREQUENCY_MODE = "LOW"; - defparam DCM_INST.DUTY_CYCLE_CORRECTION = "TRUE"; - defparam DCM_INST.FACTORY_JF = 16'h8080; - defparam DCM_INST.PHASE_SHIFT = 0; - defparam DCM_INST.STARTUP_WAIT = "FALSE"; - - BUFG dspclk_BUFG (.I(dcm_out), .O(dsp_clk)); - BUFG wbclk_BUFG (.I(clk_div), .O(wb_clk)); - - // I2C -- Don't use external transistors for open drain, the FPGA implements this - IOBUF scl_pin(.O(scl_pad_i), .IO(SCL), .I(scl_pad_o), .T(scl_pad_oen_o)); - IOBUF sda_pin(.O(sda_pad_i), .IO(SDA), .I(sda_pad_o), .T(sda_pad_oen_o)); - - // LEDs are active low outputs - wire [4:0] leds_int; - assign leds = 5'b01111 ^ leds_int; // all except eth are active-low - - // SPI - wire miso, mosi, sclk_int; - assign {sclk,sdi} = (~sen_clk | ~sen_dac) ? {sclk_int,mosi} : 2'b0; - assign {sclk_tx_db,sdi_tx_db} = ~sen_tx_db ? {sclk_int,mosi} : 2'b0; - assign {sclk_tx_dac,sdi_tx_dac} = ~sen_tx_dac ? {sclk_int,mosi} : 2'b0; - assign {sclk_tx_adc,sdi_tx_adc} = ~sen_tx_adc ? {sclk_int,mosi} : 2'b0; - assign {sclk_rx_db,sdi_rx_db} = ~sen_rx_db ? {sclk_int,mosi} : 2'b0; - assign {sclk_rx_dac,sdi_rx_dac} = ~sen_rx_dac ? {sclk_int,mosi} : 2'b0; - assign {sclk_rx_adc,sdi_rx_adc} = ~sen_rx_adc ? {sclk_int,mosi} : 2'b0; - - assign miso = (~sen_clk & sdo) | (~sen_dac & sdo) | - (~sen_tx_db & sdo_tx_db) | (~sen_tx_adc & sdo_tx_adc) | - (~sen_rx_db & sdo_rx_db) | (~sen_rx_adc & sdo_rx_adc); - - wire GMII_TX_EN_unreg, GMII_TX_ER_unreg; - wire [7:0] GMII_TXD_unreg; - wire GMII_GTX_CLK_int; - - always @(posedge GMII_GTX_CLK_int) - begin - GMII_TX_EN <= GMII_TX_EN_unreg; - GMII_TX_ER <= GMII_TX_ER_unreg; - GMII_TXD <= GMII_TXD_unreg; - end - - OFDDRRSE OFDDRRSE_gmii_inst - (.Q(GMII_GTX_CLK), // Data output (connect directly to top-level port) - .C0(GMII_GTX_CLK_int), // 0 degree clock input - .C1(~GMII_GTX_CLK_int), // 180 degree clock input - .CE(1), // Clock enable input - .D0(0), // Posedge data input - .D1(1), // Negedge data input - .R(0), // Synchronous reset input - .S(0) // Synchronous preset input - ); - - wire ser_tklsb_unreg, ser_tkmsb_unreg; - wire [15:0] ser_t_unreg; - wire ser_tx_clk_int; - - always @(posedge ser_tx_clk_int) - begin - ser_tklsb <= ser_tklsb_unreg; - ser_tkmsb <= ser_tkmsb_unreg; - ser_t <= ser_t_unreg; - end - - assign ser_tx_clk = clk_fpga; - - reg [15:0] ser_r_int; - reg ser_rklsb_int, ser_rkmsb_int; - - always @(posedge ser_rx_clk) - begin - ser_r_int <= ser_r; - ser_rklsb_int <= ser_rklsb; - ser_rkmsb_int <= ser_rkmsb; - end - - wire [15:0] dac_a_int, dac_b_int; - always @(negedge dsp_clk) dac_a <= dac_a_int; - always @(negedge dsp_clk) dac_b <= dac_b_int; - - /* - OFDDRRSE OFDDRRSE_serdes_inst - (.Q(ser_tx_clk), // Data output (connect directly to top-level port) - .C0(ser_tx_clk_int), // 0 degree clock input - .C1(~ser_tx_clk_int), // 180 degree clock input - .CE(1), // Clock enable input - .D0(0), // Posedge data input - .D1(1), // Negedge data input - .R(0), // Synchronous reset input - .S(0) // Synchronous preset input - ); - */ - 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), - .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) - ); - -endmodule // u2_rev2 |