diff options
Diffstat (limited to 'fpga/usrp2/top/USRP2')
| -rw-r--r-- | fpga/usrp2/top/USRP2/.gitignore | 57 | ||||
| -rw-r--r-- | fpga/usrp2/top/USRP2/Makefile | 99 | ||||
| -rw-r--r-- | fpga/usrp2/top/USRP2/u2_core.v | 743 | ||||
| -rw-r--r-- | fpga/usrp2/top/USRP2/u2_rev3.ucf | 336 | ||||
| -rw-r--r-- | fpga/usrp2/top/USRP2/u2_rev3.v | 589 |
5 files changed, 1824 insertions, 0 deletions
diff --git a/fpga/usrp2/top/USRP2/.gitignore b/fpga/usrp2/top/USRP2/.gitignore new file mode 100644 index 000000000..f50a2b7e5 --- /dev/null +++ b/fpga/usrp2/top/USRP2/.gitignore @@ -0,0 +1,57 @@ +/*.ptwx +/*.xrpt +/*.zip +/*_xdb +/templates +/netgen +/_ngo +/_xmsgs +/_pace.ucf +/*.cmd +/*.ibs +/*.lfp +/*.mfp +/*.bit +/*.bin +/*.stx +/*.par +/*.unroutes +/*.ntrc_log +/*.ngr +/*.mrp +/*.html +/*.lso +/*.twr +/*.bld +/*.ncd +/*.txt +/*.cmd_log +/*.drc +/*.map +/*.twr +/*.xml +/*.syr +/*.ngm +/*.xst +/*.csv +/*.html +/*.lock +/*.ncd +/*.twx +/*.ise_ISE_Backup +/*.xml +/*.ut +/*.xpi +/*.ngd +/*.ncd +/*.pad +/*.bgn +/*.ngc +/*.pcf +/*.ngd +/xst +/*.log +/*.rpt +/*.cel +/*.restore +/build* diff --git a/fpga/usrp2/top/USRP2/Makefile b/fpga/usrp2/top/USRP2/Makefile new file mode 100644 index 000000000..8ebb43639 --- /dev/null +++ b/fpga/usrp2/top/USRP2/Makefile @@ -0,0 +1,99 @@ +# +# Copyright 2008 Ettus Research LLC +# + +################################################## +# Project Setup +################################################## +TOP_MODULE = u2_rev3 +BUILD_DIR = $(abspath build) + +################################################## +# Include other makefiles +################################################## + +include ../Makefile.common +include ../../fifo/Makefile.srcs +include ../../control_lib/Makefile.srcs +include ../../sdr_lib/Makefile.srcs +include ../../serdes/Makefile.srcs +include ../../simple_gemac/Makefile.srcs +include ../../timing/Makefile.srcs +include ../../opencores/Makefile.srcs +include ../../vrt/Makefile.srcs +include ../../udp/Makefile.srcs +include ../../coregen/Makefile.srcs +include ../../extramfifo/Makefile.srcs + + +################################################## +# Project Properties +################################################## +PROJECT_PROPERTIES = \ +family Spartan3 \ +device xc3s2000 \ +package fg456 \ +speed -5 \ +top_level_module_type "HDL" \ +synthesis_tool "XST (VHDL/Verilog)" \ +simulator "ISE Simulator (VHDL/Verilog)" \ +"Preferred Language" "Verilog" \ +"Enable Message Filtering" FALSE \ +"Display Incremental Messages" FALSE + +################################################## +# Sources +################################################## +TOP_SRCS = \ +u2_core.v \ +u2_rev3.v \ +u2_rev3.ucf + +SOURCES = $(abspath $(TOP_SRCS)) $(FIFO_SRCS) \ +$(CONTROL_LIB_SRCS) $(SDR_LIB_SRCS) $(SERDES_SRCS) \ +$(SIMPLE_GEMAC_SRCS) $(TIMING_SRCS) $(OPENCORES_SRCS) \ +$(VRT_SRCS) $(UDP_SRCS) $(COREGEN_SRCS) $(EXTRAM_SRCS) + +################################################## +# Process Properties +################################################## +SYNTHESIZE_PROPERTIES = \ +"Number of Clock Buffers" 8 \ +"Pack I/O Registers into IOBs" Yes \ +"Optimization Effort" High \ +"Optimize Instantiated Primitives" TRUE \ +"Register Balancing" Yes \ +"Use Clock Enable" Auto \ +"Use Synchronous Reset" Auto \ +"Use Synchronous Set" Auto + +TRANSLATE_PROPERTIES = \ +"Macro Search Path" "$(shell pwd)/../../coregen/" + +MAP_PROPERTIES = \ +"Generate Detailed MAP Report" TRUE \ +"Allow Logic Optimization Across Hierarchy" TRUE \ +"Map to Input Functions" 4 \ +"Optimization Strategy (Cover Mode)" Speed \ +"Pack I/O Registers/Latches into IOBs" "For Inputs and Outputs" \ +"Perform Timing-Driven Packing and Placement" TRUE \ +"Map Effort Level" High \ +"Extra Effort" Normal \ +"Combinatorial Logic Optimization" TRUE \ +"Register Duplication" TRUE + +PLACE_ROUTE_PROPERTIES = \ +"Place & Route Effort Level (Overall)" High + +STATIC_TIMING_PROPERTIES = \ +"Number of Paths in Error/Verbose Report" 10 \ +"Report Type" "Error Report" + +GEN_PROG_FILE_PROPERTIES = \ +"Configuration Rate" 6 \ +"Create Binary Configuration File" TRUE \ +"Done (Output Events)" 5 \ +"Enable Bitstream Compression" TRUE \ +"Enable Outputs (Output Events)" 6 + +SIM_MODEL_PROPERTIES = "" diff --git a/fpga/usrp2/top/USRP2/u2_core.v b/fpga/usrp2/top/USRP2/u2_core.v new file mode 100644 index 000000000..7415f68e5 --- /dev/null +++ b/fpga/usrp2/top/USRP2/u2_core.v @@ -0,0 +1,743 @@ +// +// Copyright 2011 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +// //////////////////////////////////////////////////////////////////////////////// +// Module Name: u2_core +// //////////////////////////////////////////////////////////////////////////////// + +module u2_core + (// 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_time_in, + output exp_time_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_MISC = 0; // 7 regs + localparam SR_SIMTIMER = 8; // 2 + localparam SR_TIME64 = 10; // 6 + localparam SR_BUF_POOL = 16; // 4 + + localparam SR_RX_FRONT = 24; // 5 + localparam SR_RX_CTRL0 = 32; // 9 + localparam SR_RX_DSP0 = 48; // 7 + localparam SR_RX_CTRL1 = 80; // 9 + localparam SR_RX_DSP1 = 96; // 7 + + localparam SR_TX_FRONT = 128; // ? + localparam SR_TX_CTRL = 144; // 6 + localparam SR_TX_DSP = 160; // 5 + + localparam SR_UDP_SM = 192; // 64 + + // 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 = 9; unused -- DSPTX uses extram fifo + localparam DSP_RX_FIFOSIZE = 10; + localparam ETH_TX_FIFOSIZE = 9; + 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, ram_loader_rst; + wire wb_rst; + wire 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, overrun0, overrun1, underrun; + wire uart_tx_int, uart_rx_int; + + wire [31:0] debug_gpio_0, debug_gpio_1; + + 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, good_sync; + wire epoch; + wire [31:0] irq; + wire [63:0] vita_time, vita_time_pps; + + wire run_rx0, run_rx1, run_tx; + reg run_rx0_d1, run_rx1_d1; + + // /////////////////////////////////////////////////////////////////////////////////////////////// + // 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, sf_dat_i, sf_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, sf_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, sf_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, sf_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, sf_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, sf_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,sf_we; + + wb_1master #(.decode_w(8), + .s0_addr(8'b0000_0000),.s0_mask(8'b1100_0000), // Main RAM (0-16K) + .s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000), // Packet Router (16-20K) + .s2_addr(8'b0101_0000),.s2_mask(8'b1111_1100), // SPI + .s3_addr(8'b0101_0100),.s3_mask(8'b1111_1100), // I2C + .s4_addr(8'b0101_1000),.s4_mask(8'b1111_1100), // GPIO + .s5_addr(8'b0101_1100),.s5_mask(8'b1111_1100), // Readback + .s6_addr(8'b0110_0000),.s6_mask(8'b1111_0000), // Ethernet MAC + .s7_addr(8'b0111_0000),.s7_mask(8'b1111_0000), // 20K-24K, Settings Bus (only uses 1K) + .s8_addr(8'b1000_0000),.s8_mask(8'b1111_1100), // PIC + .s9_addr(8'b1000_0100),.s9_mask(8'b1111_1100), // Unused + .sa_addr(8'b1000_1000),.sa_mask(8'b1111_1100), // UART + .sb_addr(8'b1000_1100),.sb_mask(8'b1111_1100), // ATR + .sc_addr(8'b1001_0000),.sc_mask(8'b1111_0000), // Unused + .sd_addr(8'b1010_0000),.sd_mask(8'b1111_0000), // SD Card access + .se_addr(8'b1011_0000),.se_mask(8'b1111_0000), // Unused + .sf_addr(8'b1100_0000),.sf_mask(8'b1100_0000), // Unused + .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_o(sf_dat_o),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb), + .sf_dat_i(sf_dat_i),.sf_ack_i(sf_ack),.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; + wire [15:0] ram_loader_adr; + wire [3:0] ram_loader_sel; + wire ram_loader_stb, ram_loader_we; + ram_loader #(.AWIDTH(aw),.RAM_SIZE(16384)) + 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 + + 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(ram_loader_done), + // 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 & 1'b0)); + + // ///////////////////////////////////////////////////////////////////////// + // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone + // I-port connects directly to processor and ram loader + + ram_harvard #(.AWIDTH(14),.RAM_SIZE(16384),.ICWIDTH(7),.DCWIDTH(6)) + sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), + + .ram_loader_adr_i(ram_loader_adr[13:0]), .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(16'b0), .if_data(), + + .dwb_adr_i(s0_adr[13:0]), .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)); + + // ///////////////////////////////////////////////////////////////////////// + // 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 [35:0] 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 [35:0] 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_dat), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o), + .dsp0_inp_data(wr1_dat), .dsp0_inp_valid(wr1_ready_i), .dsp0_inp_ready(wr1_ready_o), + .dsp1_inp_data(wr3_dat), .dsp1_inp_valid(wr3_ready_i), .dsp1_inp_ready(wr3_ready_o), + .eth_inp_data(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_dat), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i), + .dsp_out_data(rd1_dat), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i), + .eth_out_data(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[4:0]),.we_i(s4_we), + .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack), + .rx(run_rx0_d1 | rx_rx1_d1), .tx(run_tx), .gpio({io_tx,io_rx}) ); + + // ///////////////////////////////////////////////////////////////////////// + // Buffer Pool Status -- Slave #5 + + //compatibility number -> increment when the fpga has been sufficiently altered + localparam compat_num = {16'd7, 16'd3}; //major, minor + + 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(32'b0),.word10(vita_time[63:32]), + .word11(vita_time[31:0]),.word12(compat_num),.word13(irq), + .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0]) + ); + + // ///////////////////////////////////////////////////////////////////////// + // Ethernet MAC Slave #6 + + simple_gemac_wrapper #(.RXFIFOSIZE(ETH_RX_FIFOSIZE), + .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper + (.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_dat), .rx_f36_src_rdy(wr2_ready_i), .rx_f36_dst_rdy(wr2_ready_o), + .tx_f36_data(rd2_dat), .tx_f36_src_rdy(rd2_ready_o), .tx_f36_dst_rdy(rd2_ready_i), + .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)); + + // ///////////////////////////////////////////////////////////////////////// + // 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(SR_MISC+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(SR_MISC+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(SR_MISC+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(SR_MISC+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_rx0_d1 | run_rx1_d1), clk_status, serdes_link_up & good_sync, 1'b0}; + + setting_reg #(.my_addr(SR_MISC+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(SR_MISC+6),.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(overrun0 | overrun1), .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}, + {2'b0, good_sync, 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_rx0_d1 | run_rx1_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; + */ + // ///////////////////////////////////////////////////////////////////////// + // ADC Frontend + wire [23:0] adc_i, adc_q; + + rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend + (.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,2'b00}),.adc_ovf_a(adc_ovf_a), + .adc_b({adc_b,2'b00}),.adc_ovf_b(adc_ovf_b), + .i_out(adc_i), .q_out(adc_q), .run(run_rx0_d1 | run_rx1_d1), .debug()); + + // ///////////////////////////////////////////////////////////////////////// + // DSP RX 0 + wire [31:0] sample_rx0; + wire clear_rx0, strobe_rx0; + + always @(posedge dsp_clk) + run_rx0_d1 <= run_rx0; + + dsp_core_rx #(.BASE(SR_RX_DSP0)) dsp_core_rx0 + (.clk(dsp_clk),.rst(dsp_rst), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .adc_i(adc_i),.adc_ovf_i(adc_ovf_a),.adc_q(adc_q),.adc_ovf_q(adc_ovf_b), + .sample(sample_rx0), .run(run_rx0_d1), .strobe(strobe_rx0), + .debug() ); + + setting_reg #(.my_addr(SR_RX_CTRL0+3)) sr_clear_rx0 + (.clk(dsp_clk),.rst(dsp_rst), + .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp), + .out(),.changed(clear_rx0)); + + vita_rx_chain #(.BASE(SR_RX_CTRL0),.UNIT(0),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain0 + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .vita_time(vita_time), .overrun(overrun0), + .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), + .rx_data_o(wr1_dat), .rx_src_rdy_o(wr1_ready_i), .rx_dst_rdy_i(wr1_ready_o), + .debug() ); + + // ///////////////////////////////////////////////////////////////////////// + // DSP RX 1 + wire [31:0] sample_rx1; + wire clear_rx1, strobe_rx1; + + always @(posedge dsp_clk) + run_rx1_d1 <= run_rx1; + + dsp_core_rx #(.BASE(SR_RX_DSP1)) dsp_core_rx1 + (.clk(dsp_clk),.rst(dsp_rst), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .adc_i(adc_i),.adc_ovf_i(adc_ovf_a),.adc_q(adc_q),.adc_ovf_q(adc_ovf_b), + .sample(sample_rx1), .run(run_rx1_d1), .strobe(strobe_rx1), + .debug() ); + + setting_reg #(.my_addr(SR_RX_CTRL1+3)) sr_clear_rx1 + (.clk(dsp_clk),.rst(dsp_rst), + .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp), + .out(),.changed(clear_rx1)); + + vita_rx_chain #(.BASE(SR_RX_CTRL1),.UNIT(2),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain1 + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .vita_time(vita_time), .overrun(overrun1), + .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), + .rx_data_o(wr3_dat), .rx_src_rdy_o(wr3_ready_i), .rx_dst_rdy_i(wr3_ready_o), + .debug() ); + + // /////////////////////////////////////////////////////////////////////////////////// + // 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_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), + .debug(debug_extfifo), + .debug2(debug_extfifo2) ); + + wire [23:0] tx_i, tx_q; + + 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), + .DSP_NUMBER(0)) + 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), + .tx_i(tx_i),.tx_q(tx_q), + .underrun(underrun), .run(run_tx), + .debug(debug_vt)); + + tx_frontend #(.BASE(SR_TX_FRONT)) tx_frontend + (.clk(dsp_clk), .rst(dsp_rst), + .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), + .tx_i(tx_i), .tx_q(tx_q), .run(1'b1), + .dac_a(dac_a), .dac_b(dac_b)); + + // /////////////////////////////////////////////////////////////////////////////////// + // 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[31:0]),.rd_flags_i(rd0_dat[35:32]),.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[31:0]),.wr_flags_o(wr0_dat[35:32]),.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 + + wire [31:0] debug_sync; + + 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), .vita_time_pps(vita_time_pps), .pps_int(pps_int), + .exp_time_in(exp_time_in), .exp_time_out(exp_time_out), .good_sync(good_sync), .debug(debug_sync)); + + // ///////////////////////////////////////////////////////////////////////////////////////// + // Debug Pins + + assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac}; + assign debug = 32'd0; + assign debug_gpio_0 = 32'd0; + assign debug_gpio_1 = 32'd0; + +endmodule // u2_core diff --git a/fpga/usrp2/top/USRP2/u2_rev3.ucf b/fpga/usrp2/top/USRP2/u2_rev3.ucf new file mode 100644 index 000000000..8017f61ff --- /dev/null +++ b/fpga/usrp2/top/USRP2/u2_rev3.ucf @@ -0,0 +1,336 @@ +NET "leds[0]" LOC = "E8" ; +NET "leds[1]" LOC = "F7" ; +NET "leds[2]" LOC = "E5" ; +NET "leds[3]" LOC = "B7" ; +NET "leds[4]" LOC = "C11" ; +NET "leds[5]" LOC = "AB19" ; +NET "debug[0]" LOC = "N5" ; +NET "debug[1]" LOC = "N6" ; +NET "debug[2]" LOC = "P1" ; +NET "debug[3]" LOC = "P2" ; +NET "debug[4]" LOC = "P4" ; +NET "debug[5]" LOC = "P5" ; +NET "debug[6]" LOC = "R1" ; +NET "debug[7]" LOC = "R2" ; +NET "debug[8]" LOC = "P6" ; +NET "debug[9]" LOC = "R5" ; +NET "debug[10]" LOC = "R4" ; +NET "debug[11]" LOC = "T3" ; +NET "debug[12]" LOC = "U3" ; +NET "debug[13]" LOC = "M2" ; +NET "debug[14]" LOC = "M3" ; +NET "debug[15]" LOC = "M4" ; +NET "debug[16]" LOC = "M5" ; +NET "debug[17]" LOC = "M6" ; +NET "debug[18]" LOC = "N1" ; +NET "debug[19]" LOC = "N2" ; +NET "debug[20]" LOC = "N3" ; +NET "debug[21]" LOC = "T1" ; +NET "debug[22]" LOC = "T2" ; +NET "debug[23]" LOC = "U2" ; +NET "debug[24]" LOC = "T4" ; +NET "debug[25]" LOC = "U4" ; +NET "debug[26]" LOC = "T5" ; +NET "debug[27]" LOC = "T6" ; +NET "debug[28]" LOC = "U5" ; +NET "debug[29]" LOC = "V5" ; +NET "debug[30]" LOC = "W2" ; +NET "debug[31]" LOC = "W3" ; +NET "debug_clk[0]" LOC = "N4" ; +NET "debug_clk[1]" LOC = "M1" ; +NET "uart_tx_o" LOC = "C7" ; +NET "uart_rx_i" LOC = "A3" ; +NET "exp_time_in_p" LOC = "V3" ; +NET "exp_time_in_n" LOC = "V4" ; +NET "exp_time_out_p" LOC = "V1" ; +NET "exp_time_out_n" LOC = "V2" ; +NET "GMII_COL" LOC = "U16" ; +NET "GMII_CRS" LOC = "U17" ; +NET "GMII_TXD[0]" LOC = "W14" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[1]" LOC = "AA20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[2]" LOC = "AB20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[3]" LOC = "Y18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[4]" LOC = "AA18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[5]" LOC = "AB18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[6]" LOC = "V17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TXD[7]" LOC = "W17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TX_EN" LOC = "Y17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TX_ER" LOC = "V16" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_GTX_CLK" LOC = "AA17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "GMII_TX_CLK" LOC = "W13" ; +NET "GMII_RXD[0]" LOC = "AA15" ; +NET "GMII_RXD[1]" LOC = "AB15" ; +NET "GMII_RXD[2]" LOC = "U14" ; +NET "GMII_RXD[3]" LOC = "V14" ; +NET "GMII_RXD[4]" LOC = "U13" ; +NET "GMII_RXD[5]" LOC = "V13" ; +NET "GMII_RXD[6]" LOC = "Y13" ; +NET "GMII_RXD[7]" LOC = "AA13" ; +NET "GMII_RX_CLK" LOC = "AA12" ; +NET "GMII_RX_DV" LOC = "AB16" ; +NET "GMII_RX_ER" LOC = "AA16" ; +NET "MDIO" LOC = "Y16" |PULLUP ; +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" |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" ; +NET "ser_rx_en" LOC = "AB9" ; +NET "ser_tx_clk" LOC = "U7" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[0]" LOC = "V7" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[1]" LOC = "V10" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[2]" LOC = "AB4" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[3]" LOC = "AA4" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[4]" LOC = "Y5" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[5]" LOC = "W5" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[6]" LOC = "AB5" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[7]" LOC = "AA5" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[8]" LOC = "W6" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[9]" LOC = "V6" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[10]" LOC = "AA6" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[11]" LOC = "Y6" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[12]" LOC = "W8" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[13]" LOC = "V8" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[14]" LOC = "AB8" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_t[15]" LOC = "AA8" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_tklsb" LOC = "U10" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_tkmsb" LOC = "U11" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "ser_rx_clk" LOC = "AA11" ; +NET "ser_r[0]" LOC = "AB10" ; +NET "ser_r[1]" LOC = "AA10" ; +NET "ser_r[2]" LOC = "U9" ; +NET "ser_r[3]" LOC = "U6" ; +NET "ser_r[4]" LOC = "AB11" ; +NET "ser_r[5]" LOC = "Y7" ; +NET "ser_r[6]" LOC = "W7" ; +NET "ser_r[7]" LOC = "AB7" ; +NET "ser_r[8]" LOC = "AA7" ; +NET "ser_r[9]" LOC = "W9" ; +NET "ser_r[10]" LOC = "W10" ; +NET "ser_r[11]" LOC = "Y1" ; +NET "ser_r[12]" LOC = "Y3" ; +NET "ser_r[13]" LOC = "Y2" ; +NET "ser_r[14]" LOC = "W4" ; +NET "ser_r[15]" LOC = "W1" ; +NET "ser_rklsb" LOC = "V9" ; +NET "ser_rkmsb" LOC = "Y10" ; +NET "cpld_start" LOC = "AA9" ; +NET "cpld_mode" LOC = "U12" ; +NET "cpld_done" LOC = "V12" ; +NET "cpld_din" LOC = "AA14" ; +NET "cpld_clk" LOC = "AB14" ; +NET "cpld_detached" LOC = "V11" ; +NET "cpld_init_b" LOC = "W12" ; +NET "cpld_misc" LOC = "Y12" ; +NET "POR" LOC = "W18" ; +NET "WDI" LOC = "W15" ; +NET "adc_a[0]" LOC = "A14" | IOBDELAY= "NONE" ; +NET "adc_a[1]" LOC = "B14" | IOBDELAY= "NONE" ; +NET "adc_a[2]" LOC = "C13" | IOBDELAY= "NONE" ; +NET "adc_a[3]" LOC = "D13" | IOBDELAY= "NONE" ; +NET "adc_a[4]" LOC = "A13" | IOBDELAY= "NONE" ; +NET "adc_a[5]" LOC = "B13" | IOBDELAY= "NONE" ; +NET "adc_a[6]" LOC = "E12" | IOBDELAY= "NONE" ; +NET "adc_a[7]" LOC = "C22" | IOBDELAY= "NONE" ; +NET "adc_a[8]" LOC = "C20" | IOBDELAY= "NONE" ; +NET "adc_a[9]" LOC = "C21" | IOBDELAY= "NONE" ; +NET "adc_a[10]" LOC = "D20" | IOBDELAY= "NONE" ; +NET "adc_a[11]" LOC = "D19" | IOBDELAY= "NONE" ; +NET "adc_a[12]" LOC = "D21" | IOBDELAY= "NONE" ; +NET "adc_a[13]" LOC = "E18" | IOBDELAY= "NONE" ; +NET "adc_ovf_a" LOC = "F18" ; +NET "adc_oen_a" LOC = "E19" ; +NET "adc_pdn_a" LOC = "E20" ; +NET "adc_b[0]" LOC = "A12" | IOBDELAY= "NONE"; +NET "adc_b[1]" LOC = "E16" | IOBDELAY= "NONE" ; +NET "adc_b[2]" LOC = "F12" | IOBDELAY= "NONE" ; +NET "adc_b[3]" LOC = "F13" | IOBDELAY= "NONE" ; +NET "adc_b[4]" LOC = "F16" | IOBDELAY= "NONE" ; +NET "adc_b[5]" LOC = "F17" | IOBDELAY= "NONE" ; +NET "adc_b[6]" LOC = "C19" | IOBDELAY= "NONE" ; +NET "adc_b[7]" LOC = "B20" | IOBDELAY= "NONE" ; +NET "adc_b[8]" LOC = "B19" | IOBDELAY= "NONE" ; +NET "adc_b[9]" LOC = "C18" | IOBDELAY= "NONE" ; +NET "adc_b[10]" LOC = "D18" | IOBDELAY= "NONE" ; +NET "adc_b[11]" LOC = "B18" | IOBDELAY= "NONE" ; +NET "adc_b[12]" LOC = "D17" | IOBDELAY= "NONE" ; +NET "adc_b[13]" LOC = "E17" | IOBDELAY= "NONE" ; +NET "adc_ovf_b" LOC = "B17" ; +NET "adc_oen_b" LOC = "C17" ; +NET "adc_pdn_b" LOC = "D15" ; +NET "dac_a[0]" LOC = "A5" ; +NET "dac_a[1]" LOC = "B5" ; +NET "dac_a[2]" LOC = "C5" ; +NET "dac_a[3]" LOC = "D5" ; +NET "dac_a[4]" LOC = "A4" ; +NET "dac_a[5]" LOC = "B4" ; +NET "dac_a[6]" LOC = "F6" ; +NET "dac_a[7]" LOC = "D10" ; +NET "dac_a[8]" LOC = "D9" ; +NET "dac_a[9]" LOC = "A10" ; +NET "dac_a[10]" LOC = "L2" ; +NET "dac_a[11]" LOC = "L4" ; +NET "dac_a[12]" LOC = "L3" ; +NET "dac_a[13]" LOC = "L6" ; +NET "dac_a[14]" LOC = "L5" ; +NET "dac_a[15]" LOC = "K2" ; +NET "dac_b[0]" LOC = "D11" ; +NET "dac_b[1]" LOC = "E11" ; +NET "dac_b[2]" LOC = "F11" ; +NET "dac_b[3]" LOC = "B10" ; +NET "dac_b[4]" LOC = "C10" ; +NET "dac_b[5]" LOC = "E10" ; +NET "dac_b[6]" LOC = "F10" ; +NET "dac_b[7]" LOC = "A9" ; +NET "dac_b[8]" LOC = "B9" ; +NET "dac_b[9]" LOC = "E9" ; +NET "dac_b[10]" LOC = "F9" ; +NET "dac_b[11]" LOC = "A8" ; +NET "dac_b[12]" LOC = "B8" ; +NET "dac_b[13]" LOC = "D7" ; +NET "dac_b[14]" LOC = "E7" ; +NET "dac_b[15]" LOC = "B6" ; +NET "dac_lock" LOC = "D6" ; +NET "SCL" LOC = "A7" ; +NET "SDA" LOC = "D8" ; +NET "clk_en[0]" LOC = "C4" ; +NET "clk_en[1]" LOC = "D1" ; +NET "clk_sel[0]" LOC = "C3" ; +NET "clk_sel[1]" LOC = "C2" ; +NET "clk_func" LOC = "C12" ; +NET "clk_status" LOC = "B12" ; +NET "clk_fpga_p" LOC = "A11" ; +NET "clk_fpga_n" LOC = "B11" ; +NET "clk_to_mac" LOC = "AB12" ; +NET "pps_in" LOC = "K1" ; +NET "sclk" LOC = "K5" ; +NET "sen_clk" LOC = "K6" ; +NET "sen_dac" LOC = "L1" ; +NET "sdi" LOC = "J1" ; +NET "sdo" LOC = "J2" ; +NET "sen_tx_db" LOC = "C1" ; +NET "sclk_tx_db" LOC = "D3" ; +NET "sdo_tx_db" LOC = "G3" ; +NET "sdi_tx_db" LOC = "G4" ; +NET "sen_tx_adc" LOC = "G2" ; +NET "sclk_tx_adc" LOC = "H1" ; +NET "sdo_tx_adc" LOC = "H2" ; +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 "sen_rx_db" LOC = "D22" ; +NET "sclk_rx_db" LOC = "F19" ; +NET "sdo_rx_db" LOC = "G20" ; +NET "sdi_rx_db" LOC = "H19" ; +NET "sen_rx_adc" LOC = "H18" ; +NET "sclk_rx_adc" LOC = "J17" ; +NET "sdo_rx_adc" LOC = "H21" ; +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 "clk_to_mac" TNM_NET = "clk_to_mac"; +TIMESPEC "TS_clk_to_mac" = PERIOD "clk_to_mac" 8 ns HIGH 50 %; + +NET "clk_fpga_p" TNM_NET = "clk_fpga_p"; +TIMESPEC "TS_clk_fpga_p" = PERIOD "clk_fpga_p" 10 ns HIGH 50 %; + +NET "cpld_clk" TNM_NET = "cpld_clk"; +TIMESPEC "TS_cpld_clk" = PERIOD "cpld_clk" 40 ns HIGH 50 %; + +NET "GMII_RX_CLK" TNM_NET = "GMII_RX_CLK"; +TIMESPEC "TS_GMII_RX_CLK" = PERIOD "GMII_RX_CLK" 8 ns HIGH 50 %; + +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; +#TIMEGRP "ADC_DATA_GRP" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; + +#NET "adc_a<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; +#NET "adc_b<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; + +TIMESPEC "TS_clk_div_to_dsp_clk" = FROM "clk_div" TO "dcm_out" 10 ns; diff --git a/fpga/usrp2/top/USRP2/u2_rev3.v b/fpga/usrp2/top/USRP2/u2_rev3.v new file mode 100644 index 000000000..4b0bb5541 --- /dev/null +++ b/fpga/usrp2/top/USRP2/u2_rev3.v @@ -0,0 +1,589 @@ +// +// Copyright 2011 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +`timescale 1ns / 1ps +////////////////////////////////////////////////////////////////////////////////// + +module u2_rev3 + ( + // Misc, debug + output [5:0] leds, + output [31:0] debug, + output [1:0] debug_clk, + output uart_tx_o, + input uart_rx_i, + + // Expansion + input exp_time_in_p, // Diff + input exp_time_in_n, // Diff + output exp_time_out_p, // Diff + output exp_time_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 + + // Watchdog interface + input POR, + output WDI, + + // 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; + + // reset the watchdog continuously + reg [15:0] wd; + wire config_success; + + always @(posedge wb_clk) + if(~config_success) + wd <= 0; + else + wd <= wd + 1; + assign WDI = wd[15]; + + wire clk_fpga_unbuf; + + IBUFGDS clk_fpga_pin (.O(clk_fpga_unbuf),.I(clk_fpga_p),.IB(clk_fpga_n)); + BUFG clk_fpga_BUF (.O(clk_fpga),.I(clk_fpga_unbuf)); + + defparam clk_fpga_pin.IOSTANDARD = "LVPECL_25"; + + wire cpld_clock_buf; + BUFG cpld_clock_BUF (.O(cpld_clock_buf),.I(cpld_clock)); + + wire exp_time_in; + IBUFDS exp_time_in_pin (.O(exp_time_in),.I(exp_time_in_p),.IB(exp_time_in_n)); + defparam exp_time_in_pin.IOSTANDARD = "LVDS_25"; + + wire exp_time_out; + OBUFDS exp_time_out_pin (.O(exp_time_out_p),.OB(exp_time_out_n),.I(exp_time_out)); + defparam exp_time_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; + + // ADC A and B are swapped in schematic to facilitate clean layout + always @(posedge dsp_clk) + begin + adc_a_reg1 <= adc_b; + adc_b_reg1 <= adc_a; + adc_ovf_a_reg1 <= adc_ovf_b; + adc_ovf_b_reg1 <= adc_ovf_a; + 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 [5:0] leds_int; + assign leds = 6'b011111 ^ 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; + + wire ser_rx_clk_buf; + BUFG ser_rx_clk_BUF (.O(ser_rx_clk_buf),.I(ser_rx_clk)); + always @(posedge ser_rx_clk_buf) + 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; + // DAC A and B are swapped in schematic to facilitate clean layout + // DAC A is also inverted in schematic to facilitate clean layout + always @(posedge dsp_clk) dac_a <= ~dac_b_int; + always @(posedge dsp_clk) dac_b <= dac_a_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 + ); + */ + + 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 + 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_time_in (exp_time_in), + .exp_time_out (exp_time_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 |