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-rw-r--r--fpga/usrp2/top/u2_rev3/Makefile4
-rw-r--r--fpga/usrp2/top/u2_rev3/Makefile.udp99
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_core.v412
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_core_udp.v735
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_rev3.ucf8
-rw-r--r--fpga/usrp2/top/u2_rev3/u2_rev3.v24
-rw-r--r--fpga/usrp2/top/u2plus/u2plus.v4
-rw-r--r--fpga/usrp2/top/u2plus/u2plus_core.v7
8 files changed, 208 insertions, 1085 deletions
diff --git a/fpga/usrp2/top/u2_rev3/Makefile b/fpga/usrp2/top/u2_rev3/Makefile
index 68c296b9b..05ada2476 100644
--- a/fpga/usrp2/top/u2_rev3/Makefile
+++ b/fpga/usrp2/top/u2_rev3/Makefile
@@ -6,7 +6,7 @@
# Project Setup
##################################################
TOP_MODULE = u2_rev3
-BUILD_DIR = $(abspath build$(ISE))
+BUILD_DIR = $(abspath build)
##################################################
# Include other makefiles
@@ -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/Makefile.udp b/fpga/usrp2/top/u2_rev3/Makefile.udp
deleted file mode 100644
index 99effb038..000000000
--- a/fpga/usrp2/top/u2_rev3/Makefile.udp
+++ /dev/null
@@ -1,99 +0,0 @@
-#
-# Copyright 2008 Ettus Research LLC
-#
-
-##################################################
-# Project Setup
-##################################################
-TOP_MODULE = u2_rev3
-BUILD_DIR = $(abspath build-udp$(ISE))
-
-##################################################
-# 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 ../../extram/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_udp.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 = \
-"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/u2_rev3/u2_core.v b/fpga/usrp2/top/u2_rev3/u2_core.v
index a5963f6b1..30b47b818 100644
--- a/fpga/usrp2/top/u2_rev3/u2_core.v
+++ b/fpga/usrp2/top/u2_rev3/u2_core.v
@@ -17,8 +17,8 @@ module u2_core
output [1:0] debug_clk,
// Expansion
- input exp_pps_in,
- output exp_pps_out,
+ input exp_time_in,
+ output exp_time_out,
// GMII
// GMII-CTRL
@@ -119,11 +119,12 @@ module u2_core
inout [15:0] io_rx,
// External RAM
- inout [17:0] RAM_D,
+ input [17:0] RAM_D_pi,
+ output [17:0] RAM_D_po,
+ output RAM_D_poe,
output [18:0] RAM_A,
output RAM_CE1n,
output RAM_CENn,
- // output RAM_CLK,
output RAM_WEn,
output RAM_OEn,
output RAM_LDn,
@@ -142,7 +143,7 @@ module u2_core
localparam SR_RX_CTRL = 176; // 16
localparam SR_TIME64 = 192; // 3
localparam SR_SIMTIMER = 198; // 2
- localparam SR_TX_DSP = 128; // 16
+ localparam SR_TX_DSP = 208; // 16
localparam SR_TX_CTRL = 224; // 16
// FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
@@ -160,15 +161,17 @@ module u2_core
wire ram_loader_done;
wire ram_loader_rst, wb_rst, dsp_rst;
+ assign dsp_rst = wb_rst;
wire [31:0] status, status_b0, status_b1, status_b2, status_b3, status_b4, status_b5, status_b6, status_b7;
- wire bus_error, spi_int, i2c_int, pps_int, timer_int, buffer_int, proc_int, overrun, underrun, uart_tx_int, uart_rx_int;
+ wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int;
+ wire proc_int, overrun, underrun, uart_tx_int, uart_rx_int;
wire [31:0] debug_gpio_0, debug_gpio_1;
wire [31:0] atr_lines;
- wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc,
- debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp;
+ wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc,
+ debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp, debug_extfifo, debug_extfifo2;
wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2;
wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2;
@@ -177,6 +180,12 @@ module u2_core
wire serdes_link_up;
wire epoch;
wire [31:0] irq;
+ wire [63:0] vita_time;
+
+ wire run_rx, run_tx;
+ reg run_rx_d1;
+ always @(posedge dsp_clk)
+ run_rx_d1 <= run_rx;
// ///////////////////////////////////////////////////////////////////////////////////////////////
// Wishbone Single Master INTERCON
@@ -405,7 +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
@@ -416,33 +425,70 @@ module u2_core
cycle_count <= 0;
else
cycle_count <= cycle_count + 1;
-
+
+ //compatibility number -> increment when the fpga has been sufficiently altered
+ localparam compat_num = 32'd3;
+
wb_readback_mux buff_pool_status
(.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
.wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack),
.word00(status_b0),.word01(status_b1),.word02(status_b2),.word03(status_b3),
.word04(status_b4),.word05(status_b5),.word06(status_b6),.word07(status_b7),
- .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(32'b0),
- .word11(32'b0),.word12(32'b0),.word13(irq),.word14(status_enc),.word15(cycle_count)
+ .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]),
+ .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(status_enc),.word15(cycle_count)
);
// /////////////////////////////////////////////////////////////////////////
// Ethernet MAC Slave #6
- simple_gemac_wrapper #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper
+ wire [18:0] rx_f19_data, tx_f19_data;
+ wire rx_f19_src_rdy, rx_f19_dst_rdy, rx_f36_src_rdy, rx_f36_dst_rdy;
+
+ simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19
(.clk125(clk_to_mac), .reset(wb_rst),
.GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
.GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
.GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
.GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
.sys_clk(dsp_clk),
- .rx_f36_data({wr2_flags,wr2_dat}), .rx_f36_src_rdy(wr2_ready_i), .rx_f36_dst_rdy(wr2_ready_o),
- .tx_f36_data({rd2_flags,rd2_dat}), .tx_f36_src_rdy(rd2_ready_o), .tx_f36_dst_rdy(rd2_ready_i),
+ .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy),
+ .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy),
.wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack),
.wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i),
.mdio(MDIO), .mdc(MDC),
.debug(debug_mac));
+
+ wire [35:0] udp_tx_data, udp_rx_data;
+ wire udp_tx_src_rdy, udp_tx_dst_rdy, udp_rx_src_rdy, udp_rx_dst_rdy;
+
+ udp_wrapper #(.BASE(SR_UDP_SM)) udp_wrapper
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
+ .rx_f19_data(rx_f19_data), .rx_f19_src_rdy_i(rx_f19_src_rdy), .rx_f19_dst_rdy_o(rx_f19_dst_rdy),
+ .tx_f19_data(tx_f19_data), .tx_f19_src_rdy_o(tx_f19_src_rdy), .tx_f19_dst_rdy_i(tx_f19_dst_rdy),
+ .rx_f36_data(udp_rx_data), .rx_f36_src_rdy_o(udp_rx_src_rdy), .rx_f36_dst_rdy_i(udp_rx_dst_rdy),
+ .tx_f36_data(udp_tx_data), .tx_f36_src_rdy_i(udp_tx_src_rdy), .tx_f36_dst_rdy_o(udp_tx_dst_rdy),
+ .debug(debug_udp) );
+
+ wire [35:0] tx_err_data, udp1_tx_data;
+ wire tx_err_src_rdy, tx_err_dst_rdy, udp1_tx_src_rdy, udp1_tx_dst_rdy;
+
+ fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i),
+ .dataout(udp1_tx_data), .src_rdy_o(udp1_tx_src_rdy), .dst_rdy_i(udp1_tx_dst_rdy));
+
+ fifo36_mux #(.prio(0)) mux_err_stream
+ (.clk(dsp_clk), .reset(dsp_reset), .clear(0),
+ .data0_i(udp1_tx_data), .src0_rdy_i(udp1_tx_src_rdy), .dst0_rdy_o(udp1_tx_dst_rdy),
+ .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy),
+ .data_o(udp_tx_data), .src_rdy_o(udp_tx_src_rdy), .dst_rdy_i(udp_tx_dst_rdy));
+
+ fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .datain(udp_rx_data), .src_rdy_i(udp_rx_src_rdy), .dst_rdy_o(udp_rx_dst_rdy),
+ .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o));
// /////////////////////////////////////////////////////////////////////////
// Settings Bus -- Slave #7
@@ -482,22 +528,30 @@ module u2_core
// In Rev3 there are only 6 leds, and the highest one is on the ETH connector
wire [7:0] led_src, led_sw;
- wire [7:0] led_hw = {clk_status,serdes_link_up};
+ wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0};
setting_reg #(.my_addr(3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
.in(set_data),.out(led_sw),.changed());
- setting_reg #(.my_addr(8),.width(8)) sr_led_src (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(led_src),.changed());
+
+ setting_reg #(.my_addr(8),.width(8), .at_reset(8'b0001_1110))
+ sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed());
assign leds = (led_src & led_hw) | (~led_src & led_sw);
// /////////////////////////////////////////////////////////////////////////
// Interrupt Controller, Slave #8
+ // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic
+ wire underrun_wb, overrun_wb, pps_wb;
+
+ oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb));
+ oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb));
+ oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb));
+
assign irq= {{8'b0},
{8'b0},
- {4'b0, clk_status, serdes_link_up, uart_tx_int, uart_rx_int},
- {pps_int,overrun,underrun,PHY_INTn,i2c_int,spi_int,timer_int,buffer_int}};
+ {3'b0, periodic_int, clk_status, serdes_link_up, uart_tx_int, uart_rx_int},
+ {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}};
pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]),
.we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int),
@@ -506,13 +560,17 @@ module u2_core
// /////////////////////////////////////////////////////////////////////////
// Master Timer, Slave #9
- wire [31:0] master_time;
- timer timer
- (.wb_clk_i(wb_clk),.rst_i(wb_rst),
- .cyc_i(s9_cyc),.stb_i(s9_stb),.adr_i(s9_adr[4:2]),
- .we_i(s9_we),.dat_i(s9_dat_o),.dat_o(s9_dat_i),.ack_o(s9_ack),
- .sys_clk_i(dsp_clk),.master_time_i(master_time),.int_o(timer_int) );
-
+ // No longer used, replaced with simple_timer below
+ assign s9_ack = 0;
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Simple Timer interrupts
+
+ simple_timer #(.BASE(SR_SIMTIMER)) simple_timer
+ (.clk(wb_clk), .reset(wb_rst),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .onetime_int(onetime_int), .periodic_int(periodic_int));
+
// /////////////////////////////////////////////////////////////////////////
// UART, Slave #10
@@ -526,11 +584,6 @@ module u2_core
// /////////////////////////////////////////////////////////////////////////
// ATR Controller, Slave #11
- wire run_rx, run_tx;
- reg run_rx_d1;
- always @(posedge dsp_clk)
- run_rx_d1 <= run_rx;
-
atr_controller atr_controller
(.clk_i(wb_clk),.rst_i(wb_rst),
.adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i),
@@ -540,22 +593,9 @@ module u2_core
// //////////////////////////////////////////////////////////////////////////
// Time Sync, Slave #12
- reg pps_posedge, pps_negedge, pps_pos_d1, pps_neg_d1;
- always @(negedge dsp_clk) pps_negedge <= pps_in;
- always @(posedge dsp_clk) pps_posedge <= pps_in;
- always @(posedge dsp_clk) pps_pos_d1 <= pps_posedge;
- always @(posedge dsp_clk) pps_neg_d1 <= pps_negedge;
-
- wire pps_o;
- time_sync time_sync
- (.wb_clk_i(wb_clk),.rst_i(wb_rst),
- .cyc_i(sc_cyc),.stb_i(sc_stb),.adr_i(sc_adr[4:2]),
- .we_i(sc_we),.dat_i(sc_dat_o),.dat_o(sc_dat_i),.ack_o(sc_ack),
- .sys_clk_i(dsp_clk),.master_time_o(master_time),
- .pps_posedge(pps_posedge),.pps_negedge(pps_negedge),
- .exp_pps_in(exp_pps_in),.exp_pps_out(exp_pps_out),
- .int_o(pps_int),.epoch_o(epoch),.pps_o(pps_o) );
-
+ // No longer used, see time_64bit. Still need to handle mimo time, though
+ assign sc_ack = 0;
+
// /////////////////////////////////////////////////////////////////////////
// SD Card Reader / Writer, Slave #13
@@ -569,45 +609,100 @@ module u2_core
assign sd_dat_i[31:8] = 0;
// /////////////////////////////////////////////////////////////////////////
- // DSP
+ // DSP RX
wire [31:0] sample_rx, sample_tx;
wire strobe_rx, strobe_tx;
-
- rx_control #(.FIFOSIZE(10)) rx_control
- (.clk(dsp_clk), .rst(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .master_time(master_time),.overrun(overrun),
- .wr_dat_o(wr1_dat), .wr_flags_o(wr1_flags), .wr_ready_o(wr1_ready_i), .wr_ready_i(wr1_ready_o),
- .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
- .fifo_occupied(dsp_rx_occ),.fifo_full(dsp_rx_full),.fifo_empty(dsp_rx_empty),
- .debug_rx(debug_rx) );
+ wire rx_dst_rdy, rx_src_rdy, rx1_dst_rdy, rx1_src_rdy;
+ wire [99:0] rx_data;
+ wire [35:0] rx1_data;
- dsp_core_rx_old dsp_core_rx_old
+ dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx
(.clk(dsp_clk),.rst(dsp_rst),
.set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
.adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b),
.sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx),
.debug(debug_rx_dsp) );
- tx_control #(.FIFOSIZE(10)) tx_control
- (.clk(dsp_clk), .rst(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .master_time(master_time),.underrun(underrun),
- .rd_dat_i(rd1_dat), .rd_flags_i(rd1_flags), .rd_ready_i(rd1_ready_o), .rd_ready_o(rd1_ready_i),
- .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
- .fifo_occupied(dsp_tx_occ),.fifo_full(dsp_tx_full),.fifo_empty(dsp_tx_empty),
- .debug(debug_txc) );
+ wire [31:0] vrc_debug;
+ wire clear_rx;
- dsp_core_tx #(.BASE(SR_TX_DSP)) dsp_core_tx
+ setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear
(.clk(dsp_clk),.rst(dsp_rst),
+ .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
+ .out(),.changed(clear_rx));
+
+ vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
.set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
- .dac_a(dac_a),.dac_b(dac_b),
- .debug(debug_tx_dsp) );
+ .vita_time(vita_time), .overrun(overrun),
+ .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
+ .sample_fifo_o(rx_data), .sample_fifo_dst_rdy_i(rx_dst_rdy), .sample_fifo_src_rdy_o(rx_src_rdy),
+ .debug_rx(vrc_debug));
- assign dsp_rst = wb_rst;
+ wire [3:0] vita_state;
+
+ vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy),
+ .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy),
+ .fifo_occupied(), .fifo_full(), .fifo_empty(),
+ .debug_rx(vita_state) );
+
+ fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
+ .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy),
+ .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o));
// ///////////////////////////////////////////////////////////////////////////////////
+ // DSP TX
+
+ wire [35:0] tx_data;
+ wire tx_src_rdy, tx_dst_rdy;
+ wire [31:0] debug_vt;
+ wire clear_tx;
+
+ setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx
+ (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(),.changed(clear_tx));
+
+ ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19))
+ ext_fifo_i1
+ (.int_clk(dsp_clk),
+ .ext_clk(clk_to_mac),
+ .rst(dsp_rst | clear_tx),
+ .RAM_D_pi(RAM_D_pi),
+ .RAM_D_po(RAM_D_po),
+ .RAM_D_poe(RAM_D_poe),
+ .RAM_A(RAM_A),
+ .RAM_WEn(RAM_WEn),
+ .RAM_CENn(RAM_CENn),
+ .RAM_LDn(RAM_LDn),
+ .RAM_OEn(RAM_OEn),
+ .RAM_CE1n(RAM_CE1n),
+ .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}),
+ .src_rdy_i(rd1_ready_o),
+ .dst_rdy_o(rd1_ready_i),
+ .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}),
+ .src_rdy_o(tx_src_rdy),
+ .dst_rdy_i(tx_dst_rdy),
+ .debug(debug_extfifo),
+ .debug2(debug_extfifo2) );
+
+ vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP),
+ .REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
+ .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1))
+ vita_tx_chain
+ (.clk(dsp_clk), .reset(dsp_rst),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .vita_time(vita_time),
+ .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy),
+ .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy),
+ .dac_a(dac_a),.dac_b(dac_b),
+ .underrun(underrun), .run(run_tx),
+ .debug(debug_vt));
+
+ // ///////////////////////////////////////////////////////////////////////////////////
// SERDES
serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes
@@ -620,166 +715,25 @@ 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;
- // /////////////////////////////////////////////////////////////////////////////////////////
- // Debug Pins
-
- // FIFO Level Debugging
- reg [31:0] host_to_dsp_fifo,dsp_to_host_fifo,eth_mac_debug,serdes_to_dsp_fifo,dsp_to_serdes_fifo;
-
- always @(posedge dsp_clk)
- serdes_to_dsp_fifo <= { {ser_rx_full,ser_rx_empty,ser_rx_occ[13:0]},
- {dsp_tx_full,dsp_tx_empty,dsp_tx_occ[13:0]} };
+ // /////////////////////////////////////////////////////////////////////////
+ // VITA Timing
- 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]} };
+ wire [31:0] debug_sync;
- 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]} };
+ time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit
+ (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
+ .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int),
+ .exp_time_in(exp_time_in), .exp_time_out(exp_time_out),
+ .debug(debug_sync));
- always @(posedge dsp_clk)
- dsp_to_host_fifo <= { {eth_tx_full,eth_tx_empty,eth_tx_occ[13:0]},
- {dsp_rx_full,dsp_rx_empty,dsp_rx_occ[13:0]} };
-
- always @(posedge dsp_clk)
- eth_mac_debug <= { { 6'd0, GMII_TX_EN, GMII_RX_DV, debug_mac0[7:0]},
- {eth_rx_full2, eth_rx_empty2, eth_rx_occ2[13:0]} };
-
- assign debug_clk[0] = 0; // wb_clk;
- assign debug_clk[1] = clk_to_mac;
-/*
-
- wire mdio_cpy = MDIO;
- assign debug = { { 1'b0, s6_stb, s6_ack, s6_we, s6_sel[3:0] },
- { s6_adr[15:8] },
- { s6_adr[7:0] },
- { 6'd0, mdio_cpy, MDC } };
-*/
-/*
- assign debug = { { GMII_TXD },
- { 5'd0, GMII_TX_EN, GMII_TX_ER, GMII_GTX_CLK },
- { wr2_flags, rd2_flags },
- { 4'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } };
- */
- assign debug = { { GMII_RXD },
- { 5'd0, GMII_RX_DV, GMII_RX_ER, GMII_RX_CLK },
- { wr2_flags, rd2_flags },
- { GMII_TX_EN,3'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } };
-
- assign debug_gpio_0 = 0;
- //debug_mac; //eth_mac_debug;
- assign debug_gpio_1 = 0;
+ // /////////////////////////////////////////////////////////////////////////////////////////
+ // Debug Pins
+
+ assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac};
+ assign debug = 32'd0; // debug_extfifo;
+ assign debug_gpio_0 = 32'd0;
+ assign debug_gpio_1 = 32'd0;
endmodule // u2_core
-
-// 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_core_udp.v b/fpga/usrp2/top/u2_rev3/u2_core_udp.v
deleted file mode 100644
index 9e62ee1cc..000000000
--- a/fpga/usrp2/top/u2_rev3/u2_core_udp.v
+++ /dev/null
@@ -1,735 +0,0 @@
-// ////////////////////////////////////////////////////////////////////////////////
-// Module Name: u2_core
-// ////////////////////////////////////////////////////////////////////////////////
-
-module u2_core
- #(parameter RAM_SIZE=32768)
- (// Clocks
- input dsp_clk,
- input wb_clk,
- output clock_ready,
- input clk_to_mac,
- input pps_in,
-
- // Misc, debug
- output [7:0] leds,
- output [31:0] debug,
- output [1:0] debug_clk,
-
- // Expansion
- input exp_pps_in,
- output exp_pps_out,
-
- // GMII
- // GMII-CTRL
- input GMII_COL,
- input GMII_CRS,
-
- // GMII-TX
- output [7:0] GMII_TXD,
- output GMII_TX_EN,
- output GMII_TX_ER,
- output GMII_GTX_CLK,
- input GMII_TX_CLK, // 100mbps clk
-
- // GMII-RX
- input [7:0] GMII_RXD,
- input GMII_RX_CLK,
- input GMII_RX_DV,
- input GMII_RX_ER,
-
- // GMII-Management
- inout MDIO,
- output MDC,
- input PHY_INTn, // open drain
- output PHY_RESETn,
-
- // SERDES
- output ser_enable,
- output ser_prbsen,
- output ser_loopen,
- output ser_rx_en,
-
- output ser_tx_clk,
- output [15:0] ser_t,
- output ser_tklsb,
- output ser_tkmsb,
-
- input ser_rx_clk,
- input [15:0] ser_r,
- input ser_rklsb,
- input ser_rkmsb,
-
- // CPLD interface
- output cpld_start,
- output cpld_mode,
- output cpld_done,
- input cpld_din,
- input cpld_clk,
- input cpld_detached,
- output cpld_misc,
- input cpld_init_b,
- input por,
- output config_success,
-
- // ADC
- input [13:0] adc_a,
- input adc_ovf_a,
- output adc_on_a,
- output adc_oe_a,
-
- input [13:0] adc_b,
- input adc_ovf_b,
- output adc_on_b,
- output adc_oe_b,
-
- // DAC
- output [15:0] dac_a,
- output [15:0] dac_b,
-
- // I2C
- input scl_pad_i,
- output scl_pad_o,
- output scl_pad_oen_o,
- input sda_pad_i,
- output sda_pad_o,
- output sda_pad_oen_o,
-
- // Clock Gen Control
- output [1:0] clk_en,
- output [1:0] clk_sel,
- input clk_func, // FIXME is an input to control the 9510
- input clk_status,
-
- // Generic SPI
- output sclk,
- output mosi,
- input miso,
- output sen_clk,
- output sen_dac,
- output sen_tx_db,
- output sen_tx_adc,
- output sen_tx_dac,
- output sen_rx_db,
- output sen_rx_adc,
- output sen_rx_dac,
-
- // GPIO to DBoards
- inout [15:0] io_tx,
- inout [15:0] io_rx,
-
- // External RAM
- input [17:0] RAM_D_pi,
- output [17:0] RAM_D_po,
- output RAM_D_poe,
- output [18:0] RAM_A,
- output RAM_CE1n,
- output RAM_CENn,
- output RAM_WEn,
- output RAM_OEn,
- output RAM_LDn,
-
- // Debug stuff
- output uart_tx_o,
- input uart_rx_i,
- output uart_baud_o,
- input sim_mode,
- input [3:0] clock_divider
- );
-
- localparam SR_BUF_POOL = 64; // Uses 1 reg
- localparam SR_UDP_SM = 96; // 64 regs
- localparam SR_RX_DSP = 160; // 16
- localparam SR_RX_CTRL = 176; // 16
- localparam SR_TIME64 = 192; // 3
- localparam SR_SIMTIMER = 198; // 2
- localparam SR_TX_DSP = 208; // 16
- localparam SR_TX_CTRL = 224; // 16
-
- // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
- // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
- localparam DSP_TX_FIFOSIZE = 10;
- localparam DSP_RX_FIFOSIZE = 10;
- localparam ETH_TX_FIFOSIZE = 10;
- localparam ETH_RX_FIFOSIZE = 11;
- localparam SERDES_TX_FIFOSIZE = 9;
- localparam SERDES_RX_FIFOSIZE = 9; // RX currently doesn't use a fifo?
-
- wire [7:0] set_addr, set_addr_dsp;
- wire [31:0] set_data, set_data_dsp;
- wire set_stb, set_stb_dsp;
-
- wire ram_loader_done;
- wire ram_loader_rst, wb_rst, dsp_rst;
- assign dsp_rst = wb_rst;
-
- wire [31:0] status, 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;
- wire proc_int, overrun, underrun, uart_tx_int, uart_rx_int;
-
- wire [31:0] debug_gpio_0, debug_gpio_1;
- wire [31:0] atr_lines;
-
- wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc,
- debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp, debug_extfifo, debug_extfifo2;
-
- wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2;
- wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2;
- wire ser_rx_empty, ser_tx_empty, dsp_rx_empty, dsp_tx_empty, eth_rx_empty, eth_tx_empty, eth_rx_empty2;
-
- wire serdes_link_up;
- wire epoch;
- wire [31:0] irq;
- wire [63:0] vita_time;
-
- wire run_rx, run_tx;
- reg run_rx_d1;
- always @(posedge dsp_clk)
- run_rx_d1 <= run_rx;
-
- // ///////////////////////////////////////////////////////////////////////////////////////////////
- // Wishbone Single Master INTERCON
- localparam dw = 32; // Data bus width
- localparam aw = 16; // Address bus width, for byte addressibility, 16 = 64K byte memory space
- localparam sw = 4; // Select width -- 32-bit data bus with 8-bit granularity.
-
- wire [dw-1:0] m0_dat_o, m0_dat_i;
- wire [dw-1:0] s0_dat_o, s1_dat_o, s0_dat_i, s1_dat_i, s2_dat_o, s3_dat_o, s2_dat_i, s3_dat_i,
- s4_dat_o, s5_dat_o, s4_dat_i, s5_dat_i, s6_dat_o, s7_dat_o, s6_dat_i, s7_dat_i,
- s8_dat_o, s9_dat_o, s8_dat_i, s9_dat_i, sa_dat_o, sa_dat_i, sb_dat_i, sb_dat_o,
- sc_dat_i, sc_dat_o, sd_dat_i, sd_dat_o, se_dat_i, se_dat_o;
- wire [aw-1:0] m0_adr,s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr,s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr;
- wire [sw-1:0] m0_sel,s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel,s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel;
- wire m0_ack,s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack,s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack;
- wire m0_stb,s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb,s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb;
- wire m0_cyc,s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc,s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc;
- wire m0_err, m0_rty;
- wire m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we, se_we;
-
- wb_1master #(.decode_w(6),
- .s0_addr(6'b0000_00),.s0_mask(6'b100000),
- .s1_addr(6'b1000_00),.s1_mask(6'b110000),
- .s2_addr(6'b1100_00),.s2_mask(6'b111111),
- .s3_addr(6'b1100_01),.s3_mask(6'b111111),
- .s4_addr(6'b1100_10),.s4_mask(6'b111111),
- .s5_addr(6'b1100_11),.s5_mask(6'b111111),
- .s6_addr(6'b1101_00),.s6_mask(6'b111111),
- .s7_addr(6'b1101_01),.s7_mask(6'b111111),
- .s8_addr(6'b1101_10),.s8_mask(6'b111111),
- .s9_addr(6'b1101_11),.s9_mask(6'b111111),
- .sa_addr(6'b1110_00),.sa_mask(6'b111111),
- .sb_addr(6'b1110_01),.sb_mask(6'b111111),
- .sc_addr(6'b1110_10),.sc_mask(6'b111111),
- .sd_addr(6'b1110_11),.sd_mask(6'b111111),
- .se_addr(6'b1111_00),.se_mask(6'b111111),
- .sf_addr(6'b1111_01),.sf_mask(6'b111111),
- .dw(dw),.aw(aw),.sw(sw)) wb_1master
- (.clk_i(wb_clk),.rst_i(wb_rst),
- .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i),
- .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb),
- .s0_dat_o(s0_dat_o),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o (s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb),
- .s0_dat_i(s0_dat_i),.s0_ack_i(s0_ack),.s0_err_i(0),.s0_rty_i(0),
- .s1_dat_o(s1_dat_o),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o (s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb),
- .s1_dat_i(s1_dat_i),.s1_ack_i(s1_ack),.s1_err_i(0),.s1_rty_i(0),
- .s2_dat_o(s2_dat_o),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o (s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb),
- .s2_dat_i(s2_dat_i),.s2_ack_i(s2_ack),.s2_err_i(0),.s2_rty_i(0),
- .s3_dat_o(s3_dat_o),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o (s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb),
- .s3_dat_i(s3_dat_i),.s3_ack_i(s3_ack),.s3_err_i(0),.s3_rty_i(0),
- .s4_dat_o(s4_dat_o),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o (s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb),
- .s4_dat_i(s4_dat_i),.s4_ack_i(s4_ack),.s4_err_i(0),.s4_rty_i(0),
- .s5_dat_o(s5_dat_o),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o (s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb),
- .s5_dat_i(s5_dat_i),.s5_ack_i(s5_ack),.s5_err_i(0),.s5_rty_i(0),
- .s6_dat_o(s6_dat_o),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o (s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb),
- .s6_dat_i(s6_dat_i),.s6_ack_i(s6_ack),.s6_err_i(0),.s6_rty_i(0),
- .s7_dat_o(s7_dat_o),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o (s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb),
- .s7_dat_i(s7_dat_i),.s7_ack_i(s7_ack),.s7_err_i(0),.s7_rty_i(0),
- .s8_dat_o(s8_dat_o),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o (s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb),
- .s8_dat_i(s8_dat_i),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0),
- .s9_dat_o(s9_dat_o),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o (s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb),
- .s9_dat_i(s9_dat_i),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0),
- .sa_dat_o(sa_dat_o),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb),
- .sa_dat_i(sa_dat_i),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0),
- .sb_dat_o(sb_dat_o),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb),
- .sb_dat_i(sb_dat_i),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0),
- .sc_dat_o(sc_dat_o),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb),
- .sc_dat_i(sc_dat_i),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0),
- .sd_dat_o(sd_dat_o),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb),
- .sd_dat_i(sd_dat_i),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0),
- .se_dat_o(se_dat_o),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb),
- .se_dat_i(se_dat_i),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0),
- .sf_dat_i(0),.sf_ack_i(0),.sf_err_i(0),.sf_rty_i(0) );
-
- //////////////////////////////////////////////////////////////////////////////////////////
- // Reset Controller
- system_control sysctrl (.wb_clk_i(wb_clk), // .por_i(por),
- .ram_loader_rst_o(ram_loader_rst),
- .wb_rst_o(wb_rst),
- .ram_loader_done_i(ram_loader_done));
-
- assign config_success = ram_loader_done;
- reg takeover = 0;
-
- wire cpld_start_int, cpld_mode_int, cpld_done_int;
-
- always @(posedge wb_clk)
- if(ram_loader_done)
- takeover = 1;
- assign cpld_misc = ~takeover;
-
- wire sd_clk, sd_csn, sd_mosi, sd_miso;
-
- assign sd_miso = cpld_din;
- assign cpld_start = takeover ? sd_clk : cpld_start_int;
- assign cpld_mode = takeover ? sd_csn : cpld_mode_int;
- assign cpld_done = takeover ? sd_mosi : cpld_done_int;
-
- // ///////////////////////////////////////////////////////////////////
- // RAM Loader
-
- wire [31:0] ram_loader_dat, if_dat;
- wire [15:0] ram_loader_adr;
- wire [14:0] if_adr;
- wire [3:0] ram_loader_sel;
- wire ram_loader_stb, ram_loader_we;
- wire iwb_ack, iwb_stb;
- ram_loader #(.AWIDTH(16),.RAM_SIZE(RAM_SIZE))
- ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst),
- .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr),
- .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel),
- .wb_we(ram_loader_we),
- .ram_loader_done(ram_loader_done),
- // CPLD Interface
- .cpld_clk(cpld_clk),
- .cpld_din(cpld_din),
- .cpld_start(cpld_start_int),
- .cpld_mode(cpld_mode_int),
- .cpld_done(cpld_done_int),
- .cpld_detached(cpld_detached));
-
- // /////////////////////////////////////////////////////////////////////////
- // Processor
- aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1))
- aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst),
- // Instruction Wishbone bus to I-RAM
- .if_adr(if_adr),
- .if_dat(if_dat),
- // Data Wishbone bus to system bus fabric
- .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr),
- .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc),
- // Interrupts and exceptions
- .sys_int_i(proc_int),.sys_exc_i(bus_error) );
-
- assign bus_error = m0_err | m0_rty;
-
- // /////////////////////////////////////////////////////////////////////////
- // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone
- // I-port connects directly to processor and ram loader
-
- wire flush_icache;
- ram_harvard #(.AWIDTH(15),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6))
- sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
-
- .ram_loader_adr_i(ram_loader_adr[14:0]), .ram_loader_dat_i(ram_loader_dat),
- .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel),
- .ram_loader_we_i(ram_loader_we),
- .ram_loader_done_i(ram_loader_done),
-
- .if_adr(if_adr),
- .if_data(if_dat),
-
- .dwb_adr_i(s0_adr[14:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
- .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel),
- .flush_icache(flush_icache));
-
- setting_reg #(.my_addr(7)) sr_icache (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(),.changed(flush_icache));
-
- // /////////////////////////////////////////////////////////////////////////
- // Buffer Pool, slave #1
- wire rd0_ready_i, rd0_ready_o;
- wire rd1_ready_i, rd1_ready_o;
- wire rd2_ready_i, rd2_ready_o;
- wire rd3_ready_i, rd3_ready_o;
- wire [3:0] rd0_flags, rd1_flags, rd2_flags, rd3_flags;
- wire [31:0] rd0_dat, rd1_dat, rd2_dat, rd3_dat;
-
- wire wr0_ready_i, wr0_ready_o;
- wire wr1_ready_i, wr1_ready_o;
- wire wr2_ready_i, wr2_ready_o;
- wire wr3_ready_i, wr3_ready_o;
- wire [3:0] wr0_flags, wr1_flags, wr2_flags, wr3_flags;
- wire [31:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat;
-
- buffer_pool #(.BUF_SIZE(9), .SET_ADDR(SR_BUF_POOL)) buffer_pool
- (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
- .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),
- .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(),.wb_rty_o(),
-
- .stream_clk(dsp_clk), .stream_rst(dsp_rst),
- .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .status(status),.sys_int_o(buffer_int),
-
- .s0(status_b0),.s1(status_b1),.s2(status_b2),.s3(status_b3),
- .s4(status_b4),.s5(status_b5),.s6(status_b6),.s7(status_b7),
-
- // Write Interfaces
- .wr0_data_i(wr0_dat), .wr0_flags_i(wr0_flags), .wr0_ready_i(wr0_ready_i), .wr0_ready_o(wr0_ready_o),
- .wr1_data_i(wr1_dat), .wr1_flags_i(wr1_flags), .wr1_ready_i(wr1_ready_i), .wr1_ready_o(wr1_ready_o),
- .wr2_data_i(wr2_dat), .wr2_flags_i(wr2_flags), .wr2_ready_i(wr2_ready_i), .wr2_ready_o(wr2_ready_o),
- .wr3_data_i(wr3_dat), .wr3_flags_i(wr3_flags), .wr3_ready_i(wr3_ready_i), .wr3_ready_o(wr3_ready_o),
- // Read Interfaces
- .rd0_data_o(rd0_dat), .rd0_flags_o(rd0_flags), .rd0_ready_i(rd0_ready_i), .rd0_ready_o(rd0_ready_o),
- .rd1_data_o(rd1_dat), .rd1_flags_o(rd1_flags), .rd1_ready_i(rd1_ready_i), .rd1_ready_o(rd1_ready_o),
- .rd2_data_o(rd2_dat), .rd2_flags_o(rd2_flags), .rd2_ready_i(rd2_ready_i), .rd2_ready_o(rd2_ready_o),
- .rd3_data_o(rd3_dat), .rd3_flags_o(rd3_flags), .rd3_ready_i(rd3_ready_i), .rd3_ready_o(rd3_ready_o)
- );
-
- wire [31:0] status_enc;
- priority_enc priority_enc (.in({16'b0,status[15:0]}), .out(status_enc));
-
- // /////////////////////////////////////////////////////////////////////////
- // SPI -- Slave #2
- spi_top shared_spi
- (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr[4:0]),.wb_dat_i(s2_dat_o),
- .wb_dat_o(s2_dat_i),.wb_sel_i(s2_sel),.wb_we_i(s2_we),.wb_stb_i(s2_stb),
- .wb_cyc_i(s2_cyc),.wb_ack_o(s2_ack),.wb_err_o(),.wb_int_o(spi_int),
- .ss_pad_o({sen_tx_db,sen_tx_adc,sen_tx_dac,sen_rx_db,sen_rx_adc,sen_rx_dac,sen_dac,sen_clk}),
- .sclk_pad_o(sclk),.mosi_pad_o(mosi),.miso_pad_i(miso) );
-
- // /////////////////////////////////////////////////////////////////////////
- // I2C -- Slave #3
- i2c_master_top #(.ARST_LVL(1))
- i2c (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0),
- .wb_adr_i(s3_adr[4:2]),.wb_dat_i(s3_dat_o[7:0]),.wb_dat_o(s3_dat_i[7:0]),
- .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc),
- .wb_ack_o(s3_ack),.wb_inta_o(i2c_int),
- .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o),
- .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) );
-
- assign s3_dat_i[31:8] = 24'd0;
-
- // /////////////////////////////////////////////////////////////////////////
- // GPIOs -- Slave #4
- nsgpio nsgpio(.clk_i(wb_clk),.rst_i(wb_rst),
- .cyc_i(s4_cyc),.stb_i(s4_stb),.adr_i(s4_adr[3:0]),.we_i(s4_we),
- .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack),
- .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1),
- .gpio({io_tx,io_rx}) );
-
- // /////////////////////////////////////////////////////////////////////////
- // Buffer Pool Status -- Slave #5
-
- reg [31:0] cycle_count;
- always @(posedge wb_clk)
- if(wb_rst)
- cycle_count <= 0;
- else
- cycle_count <= cycle_count + 1;
-
- //compatibility number -> increment when the fpga has been sufficiently altered
- localparam compat_num = 32'd3;
-
- wb_readback_mux buff_pool_status
- (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
- .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack),
-
- .word00(status_b0),.word01(status_b1),.word02(status_b2),.word03(status_b3),
- .word04(status_b4),.word05(status_b5),.word06(status_b6),.word07(status_b7),
- .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]),
- .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(status_enc),.word15(cycle_count)
- );
-
- // /////////////////////////////////////////////////////////////////////////
- // Ethernet MAC Slave #6
-
- wire [18:0] rx_f19_data, tx_f19_data;
- wire rx_f19_src_rdy, rx_f19_dst_rdy, rx_f36_src_rdy, rx_f36_dst_rdy;
-
- simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19
- (.clk125(clk_to_mac), .reset(wb_rst),
- .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
- .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
- .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
- .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
- .sys_clk(dsp_clk),
- .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy),
- .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy),
- .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack),
- .wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i),
- .mdio(MDIO), .mdc(MDC),
- .debug(debug_mac));
-
- wire [35:0] udp_tx_data, udp_rx_data;
- wire udp_tx_src_rdy, udp_tx_dst_rdy, udp_rx_src_rdy, udp_rx_dst_rdy;
-
- udp_wrapper #(.BASE(SR_UDP_SM)) udp_wrapper
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
- .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .rx_f19_data(rx_f19_data), .rx_f19_src_rdy_i(rx_f19_src_rdy), .rx_f19_dst_rdy_o(rx_f19_dst_rdy),
- .tx_f19_data(tx_f19_data), .tx_f19_src_rdy_o(tx_f19_src_rdy), .tx_f19_dst_rdy_i(tx_f19_dst_rdy),
- .rx_f36_data(udp_rx_data), .rx_f36_src_rdy_o(udp_rx_src_rdy), .rx_f36_dst_rdy_i(udp_rx_dst_rdy),
- .tx_f36_data(udp_tx_data), .tx_f36_src_rdy_i(udp_tx_src_rdy), .tx_f36_dst_rdy_o(udp_tx_dst_rdy),
- .debug(debug_udp) );
-
- wire [35:0] tx_err_data, udp1_tx_data;
- wire tx_err_src_rdy, tx_err_dst_rdy, udp1_tx_src_rdy, udp1_tx_dst_rdy;
-
- fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
- .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i),
- .dataout(udp1_tx_data), .src_rdy_o(udp1_tx_src_rdy), .dst_rdy_i(udp1_tx_dst_rdy));
-
- fifo36_mux #(.prio(0)) mux_err_stream
- (.clk(dsp_clk), .reset(dsp_reset), .clear(0),
- .data0_i(udp1_tx_data), .src0_rdy_i(udp1_tx_src_rdy), .dst0_rdy_o(udp1_tx_dst_rdy),
- .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy),
- .data_o(udp_tx_data), .src_rdy_o(udp_tx_src_rdy), .dst_rdy_i(udp_tx_dst_rdy));
-
- fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo
- (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
- .datain(udp_rx_data), .src_rdy_i(udp_rx_src_rdy), .dst_rdy_o(udp_rx_dst_rdy),
- .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o));
-
- // /////////////////////////////////////////////////////////////////////////
- // Settings Bus -- Slave #7
- settings_bus settings_bus
- (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s7_adr),.wb_dat_i(s7_dat_o),
- .wb_stb_i(s7_stb),.wb_we_i(s7_we),.wb_ack_o(s7_ack),
- .strobe(set_stb),.addr(set_addr),.data(set_data));
-
- assign s7_dat_i = 32'd0;
-
- settings_bus_crossclock settings_bus_crossclock
- (.clk_i(wb_clk), .rst_i(wb_rst), .set_stb_i(set_stb), .set_addr_i(set_addr), .set_data_i(set_data),
- .clk_o(dsp_clk), .rst_o(dsp_rst), .set_stb_o(set_stb_dsp), .set_addr_o(set_addr_dsp), .set_data_o(set_data_dsp));
-
- // Output control lines
- wire [7:0] clock_outs, serdes_outs, adc_outs;
- assign {clock_ready, clk_en[1:0], clk_sel[1:0]} = clock_outs[4:0];
- assign {ser_enable, ser_prbsen, ser_loopen, ser_rx_en} = serdes_outs[3:0];
- assign {adc_oe_a, adc_on_a, adc_oe_b, adc_on_b } = adc_outs[3:0];
-
- wire phy_reset;
- assign PHY_RESETn = ~phy_reset;
-
- setting_reg #(.my_addr(0),.width(8)) sr_clk (.clk(wb_clk),.rst(wb_rst),.strobe(s7_ack),.addr(set_addr),
- .in(set_data),.out(clock_outs),.changed());
- setting_reg #(.my_addr(1),.width(8)) sr_ser (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(serdes_outs),.changed());
- setting_reg #(.my_addr(2),.width(8)) sr_adc (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(adc_outs),.changed());
- setting_reg #(.my_addr(4),.width(1)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(phy_reset),.changed());
-
- // /////////////////////////////////////////////////////////////////////////
- // LEDS
- // register 8 determines whether leds are controlled by SW or not
- // 1 = controlled by HW, 0 = by SW
- // In Rev3 there are only 6 leds, and the highest one is on the ETH connector
-
- wire [7:0] led_src, led_sw;
- wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0};
-
- setting_reg #(.my_addr(3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(led_sw),.changed());
-
- setting_reg #(.my_addr(8),.width(8), .at_reset(8'b0001_1110))
- sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed());
-
- assign leds = (led_src & led_hw) | (~led_src & led_sw);
-
- // /////////////////////////////////////////////////////////////////////////
- // Interrupt Controller, Slave #8
-
- // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic
- wire underrun_wb, overrun_wb, pps_wb;
-
- oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb));
- oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb));
- oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb));
-
- assign irq= {{8'b0},
- {8'b0},
- {3'b0, periodic_int, clk_status, serdes_link_up, uart_tx_int, uart_rx_int},
- {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}};
-
- pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]),
- .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int),
- .irq(irq) );
-
- // /////////////////////////////////////////////////////////////////////////
- // Master Timer, Slave #9
-
- // No longer used, replaced with simple_timer below
- assign s9_ack = 0;
-
- // /////////////////////////////////////////////////////////////////////////
- // Simple Timer interrupts
-
- simple_timer #(.BASE(SR_SIMTIMER)) simple_timer
- (.clk(wb_clk), .reset(wb_rst),
- .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
- .onetime_int(onetime_int), .periodic_int(periodic_int));
-
- // /////////////////////////////////////////////////////////////////////////
- // UART, Slave #10
-
- simple_uart #(.TXDEPTH(3),.RXDEPTH(3)) uart // depth of 3 is 128 entries
- (.clk_i(wb_clk),.rst_i(wb_rst),
- .we_i(sa_we),.stb_i(sa_stb),.cyc_i(sa_cyc),.ack_o(sa_ack),
- .adr_i(sa_adr[4:2]),.dat_i(sa_dat_o),.dat_o(sa_dat_i),
- .rx_int_o(uart_rx_int),.tx_int_o(uart_tx_int),
- .tx_o(uart_tx_o),.rx_i(uart_rx_i),.baud_o(uart_baud_o));
-
- // /////////////////////////////////////////////////////////////////////////
- // ATR Controller, Slave #11
-
- atr_controller atr_controller
- (.clk_i(wb_clk),.rst_i(wb_rst),
- .adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i),
- .we_i(sb_we),.stb_i(sb_stb),.cyc_i(sb_cyc),.ack_o(sb_ack),
- .run_rx(run_rx_d1),.run_tx(run_tx),.ctrl_lines(atr_lines) );
-
- // //////////////////////////////////////////////////////////////////////////
- // Time Sync, Slave #12
-
- // No longer used, see time_64bit. Still need to handle mimo time, though
- assign sc_ack = 0;
-
- // /////////////////////////////////////////////////////////////////////////
- // SD Card Reader / Writer, Slave #13
-
- sd_spi_wb sd_spi_wb
- (.clk(wb_clk),.rst(wb_rst),
- .sd_clk(sd_clk),.sd_csn(sd_csn),.sd_mosi(sd_mosi),.sd_miso(sd_miso),
- .wb_cyc_i(sd_cyc),.wb_stb_i(sd_stb),.wb_we_i(sd_we),
- .wb_adr_i(sd_adr[3:2]),.wb_dat_i(sd_dat_o[7:0]),.wb_dat_o(sd_dat_i[7:0]),
- .wb_ack_o(sd_ack) );
-
- assign sd_dat_i[31:8] = 0;
-
- // /////////////////////////////////////////////////////////////////////////
- // DSP RX
- wire [31:0] sample_rx, sample_tx;
- wire strobe_rx, strobe_tx;
- wire rx_dst_rdy, rx_src_rdy, rx1_dst_rdy, rx1_src_rdy;
- wire [99:0] rx_data;
- wire [35:0] rx1_data;
-
- dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx
- (.clk(dsp_clk),.rst(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b),
- .sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx),
- .debug(debug_rx_dsp) );
-
- wire [31:0] vrc_debug;
- wire clear_rx;
-
- setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear
- (.clk(dsp_clk),.rst(dsp_rst),
- .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
- .out(),.changed(clear_rx));
-
- vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control
- (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .vita_time(vita_time), .overrun(overrun),
- .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
- .sample_fifo_o(rx_data), .sample_fifo_dst_rdy_i(rx_dst_rdy), .sample_fifo_src_rdy_o(rx_src_rdy),
- .debug_rx(vrc_debug));
-
- wire [3:0] vita_state;
-
- vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer
- (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy),
- .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy),
- .fifo_occupied(), .fifo_full(), .fifo_empty(),
- .debug_rx(vita_state) );
-
- fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade
- (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
- .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy),
- .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o));
-
- // ///////////////////////////////////////////////////////////////////////////////////
- // DSP TX
-
- wire [35:0] tx_data;
- wire tx_src_rdy, tx_dst_rdy;
- wire [31:0] debug_vt;
- wire clear_tx;
-
- setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx
- (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(),.changed(clear_tx));
-
- ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19))
- ext_fifo_i1
- (.int_clk(dsp_clk),
- .ext_clk(clk_to_mac),
- .rst(dsp_rst | clear_tx),
- .RAM_D_pi(RAM_D_pi),
- .RAM_D_po(RAM_D_po),
- .RAM_D_poe(RAM_D_poe),
- .RAM_A(RAM_A),
- .RAM_WEn(RAM_WEn),
- .RAM_CENn(RAM_CENn),
- .RAM_LDn(RAM_LDn),
- .RAM_OEn(RAM_OEn),
- .RAM_CE1n(RAM_CE1n),
- .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}),
- .src_rdy_i(rd1_ready_o),
- .dst_rdy_o(rd1_ready_i),
- .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}),
- .src_rdy_o(tx_src_rdy),
- .dst_rdy_i(tx_dst_rdy),
- .debug(debug_extfifo),
- .debug2(debug_extfifo2) );
-
- vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP),
- .REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
- .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1))
- vita_tx_chain
- (.clk(dsp_clk), .reset(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .vita_time(vita_time),
- .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy),
- .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy),
- .dac_a(dac_a),.dac_b(dac_b),
- .underrun(underrun), .run(run_tx),
- .debug(debug_vt));
-
- // ///////////////////////////////////////////////////////////////////////////////////
- // SERDES
-
- serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes
- (.clk(dsp_clk),.rst(dsp_rst),
- .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb),
- .rd_dat_i(rd0_dat),.rd_flags_i(rd0_flags),.rd_ready_o(rd0_ready_i),.rd_ready_i(rd0_ready_o),
- .ser_rx_clk(ser_rx_clk),.ser_r(ser_r),.ser_rklsb(ser_rklsb),.ser_rkmsb(ser_rkmsb),
- .wr_dat_o(wr0_dat),.wr_flags_o(wr0_flags),.wr_ready_o(wr0_ready_i),.wr_ready_i(wr0_ready_o),
- .tx_occupied(ser_tx_occ),.tx_full(ser_tx_full),.tx_empty(ser_tx_empty),
- .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty),
- .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) );
-
- assign RAM_CLK = clk_to_mac;
-
- // /////////////////////////////////////////////////////////////////////////
- // VITA Timing
-
- time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit
- (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int));
-
- // /////////////////////////////////////////////////////////////////////////////////////////
- // Debug Pins
-
- assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac};
- assign debug = 32'd0; // debug_extfifo;
- assign debug_gpio_0 = 32'd0;
- assign debug_gpio_1 = 32'd0;
-
-endmodule // u2_core
diff --git a/fpga/usrp2/top/u2_rev3/u2_rev3.ucf b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
index 6e0caedd5..8017f61ff 100644
--- a/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
+++ b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf
@@ -40,10 +40,10 @@ 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_pps_in_p" LOC = "V3" ;
-NET "exp_pps_in_n" LOC = "V4" ;
-NET "exp_pps_out_p" LOC = "V1" ;
-NET "exp_pps_out_n" LOC = "V2" ;
+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 ;
diff --git a/fpga/usrp2/top/u2_rev3/u2_rev3.v b/fpga/usrp2/top/u2_rev3/u2_rev3.v
index 4f7f9bf1a..f2bba6c50 100644
--- a/fpga/usrp2/top/u2_rev3/u2_rev3.v
+++ b/fpga/usrp2/top/u2_rev3/u2_rev3.v
@@ -11,10 +11,10 @@ module u2_rev3
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
+ 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
@@ -181,13 +181,13 @@ module u2_rev3
wire cpld_clock_buf;
BUFG cpld_clock_BUF (.O(cpld_clock_buf),.I(cpld_clock));
- 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_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_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";
+ 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)
@@ -480,8 +480,8 @@ module u2_rev3
.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),
+ .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]),
diff --git a/fpga/usrp2/top/u2plus/u2plus.v b/fpga/usrp2/top/u2plus/u2plus.v
index 5facca298..c0140e989 100644
--- a/fpga/usrp2/top/u2plus/u2plus.v
+++ b/fpga/usrp2/top/u2plus/u2plus.v
@@ -357,8 +357,8 @@ module u2plus
.leds (leds_int),
.debug (debug[31:0]),
.debug_clk (debug_clk[1:0]),
- .exp_pps_in (exp_time_in),
- .exp_pps_out (exp_time_out),
+ .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]),
diff --git a/fpga/usrp2/top/u2plus/u2plus_core.v b/fpga/usrp2/top/u2plus/u2plus_core.v
index 8426826e2..4e0b190ef 100644
--- a/fpga/usrp2/top/u2plus/u2plus_core.v
+++ b/fpga/usrp2/top/u2plus/u2plus_core.v
@@ -16,8 +16,8 @@ module u2plus_core
output [1:0] debug_clk,
// Expansion
- input exp_pps_in,
- output exp_pps_out,
+ input exp_time_in,
+ output exp_time_out,
// GMII
// GMII-CTRL
@@ -683,7 +683,8 @@ module u2plus_core
time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit
(.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int));
+ .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int),
+ .exp_time_in(exp_time_in), .exp_time_out(exp_time_out));
// /////////////////////////////////////////////////////////////////////////////////////////
// Debug Pins
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 20:30:00 +0000