diff options
Diffstat (limited to 'fpga/usrp2')
34 files changed, 3037 insertions, 482 deletions
| diff --git a/fpga/usrp2/fifo/Makefile.srcs b/fpga/usrp2/fifo/Makefile.srcs index c66979132..f0b5b7bae 100644 --- a/fpga/usrp2/fifo/Makefile.srcs +++ b/fpga/usrp2/fifo/Makefile.srcs @@ -7,7 +7,10 @@  ##################################################  FIFO_SRCS = $(abspath $(addprefix $(BASE_DIR)/../fifo/, \  buffer_int.v \ +buffer_int2.v \  buffer_pool.v \ +crossbar36.v \ +dsp_framer36.v \  fifo_2clock.v \  fifo_2clock_cascade.v \  ll8_shortfifo.v \ @@ -22,4 +25,7 @@ fifo36_to_fifo19.v \  fifo19_to_fifo36.v \  fifo36_mux.v \  fifo36_demux.v \ +packet_router.v \ +splitter36.v \ +valve36.v \  )) diff --git a/fpga/usrp2/fifo/buffer_int.v b/fpga/usrp2/fifo/buffer_int.v index b45ed3532..49ded8c8d 100644 --- a/fpga/usrp2/fifo/buffer_int.v +++ b/fpga/usrp2/fifo/buffer_int.v @@ -14,7 +14,6 @@ module buffer_int       output done,       output error,       output idle, -     output [1:0] flag,       // Buffer Interface       output en_o, diff --git a/fpga/usrp2/fifo/buffer_int2.v b/fpga/usrp2/fifo/buffer_int2.v new file mode 100644 index 000000000..765b125fb --- /dev/null +++ b/fpga/usrp2/fifo/buffer_int2.v @@ -0,0 +1,173 @@ + +// FIFO Interface to the 2K buffer RAMs +// Read port is read-acknowledge +// FIXME do we want to be able to interleave reads and writes? + +module buffer_int2 +  #(parameter BASE = 0, +    parameter BUF_SIZE = 9) +    (input clk, input rst, +     input set_stb, input [7:0] set_addr, input [31:0] set_data, +     output [31:0] status, + +     // Wishbone interface to RAM +     input wb_clk_i, +     input wb_rst_i, +     input wb_we_i, +     input wb_stb_i, +     input [15:0] wb_adr_i, +     input [31:0] wb_dat_i,    +     output [31:0] wb_dat_o, +     output reg wb_ack_o, + +     // Write FIFO Interface +     input [35:0] wr_data_i, +     input wr_ready_i, +     output wr_ready_o, +      +     // Read FIFO Interface +     output [35:0] rd_data_o, +     output rd_ready_o, +     input rd_ready_i +     ); + +   reg [BUF_SIZE-1:0] rd_addr, wr_addr; +   wire [31:0] 	      ctrl; +   wire 	      wr_done, wr_error, wr_idle; +   wire 	      rd_done, rd_error, rd_idle; +   wire 	      we, en, go; + +   reg [BUF_SIZE-1:0] lastline; +   wire 	      read = ctrl[3]; +   wire 	      rd_clear = ctrl[2]; +   wire 	      write = ctrl[1]; +   wire 	      wr_clear = ctrl[0]; +    +   reg [2:0] 	      rd_state, wr_state; +   reg 		      rd_sop, rd_eop; +   wire 	      wr_sop, wr_eop; +   reg [1:0] 	      rd_occ; +   wire [1:0] 	      wr_occ; +    +   localparam IDLE = 3'd0; +   localparam PRE_READ = 3'd1; +   localparam READING = 3'd2; +   localparam WRITING = 3'd3; +   localparam ERROR = 3'd4; +   localparam DONE = 3'd5; + +   // read state machine +   always @(posedge clk) +     if(rst | (rd_clear & go)) +       begin +	  rd_state <= IDLE; +	  rd_sop <= 0; +	  rd_eop <= 0; +	  rd_occ <= 0; +       end +     else +       case(rd_state) +	 IDLE : +	   if(go & read) +	     begin +		rd_addr <= 0; +		rd_state <= PRE_READ; +		lastline <= ctrl[15+BUF_SIZE:16]; +	     end +	  +	 PRE_READ : +	   begin +	      rd_state <= READING; +	      rd_addr <= rd_addr + 1; +	      rd_occ <= 2'b00; +	      rd_sop <= 1; +	      rd_eop <= 0; +	   end +	  +	 READING : +	   if(rd_ready_i) +	     begin +		rd_sop <= 0; +		rd_addr <= rd_addr + 1; +		if(rd_addr == lastline) +		  begin +		     rd_eop <= 1; +		     // FIXME assign occ here +		     rd_occ <= 0; +		  end +		else +		  rd_eop <= 0; +		if(rd_eop) +		  rd_state <= DONE; +	     end +	  +       endcase // case(rd_state) +    +   // write state machine +   always @(posedge clk) +     if(rst | (wr_clear & go)) +       wr_state <= IDLE; +     else  +       case(wr_state) +	 IDLE : +	   if(go & write) +	     begin +		wr_addr <= 0; +		wr_state <= WRITING; +	     end +	  +	 WRITING : +	   if(wr_ready_i) +	     begin +		wr_addr <= wr_addr + 1; +		if(wr_sop & wr_eop) +		  wr_state <= ERROR;  // Should save OCC flags here +		else if(wr_eop) +		  wr_state <= DONE; +	     end // if (wr_ready_i) +       endcase // case(wr_state) +    +   assign     rd_data_o[35:32] = { rd_occ[1:0], rd_eop, rd_sop }; +   assign     rd_ready_o = (rd_state == READING); +    +   assign     wr_sop = wr_data_i[32]; +   assign     wr_eop = wr_data_i[33]; +   assign     wr_occ = wr_data_i[35:34]; +   assign     wr_ready_o = (wr_state == WRITING); + +   assign     we = (wr_state == WRITING); // always write to avoid timing issue +   assign     en = ~((rd_state==READING)& ~rd_ready_i);   // FIXME potential critical path +    +   assign     rd_done = (rd_state == DONE); +   assign     wr_done = (wr_state == DONE); +   assign     rd_error = (rd_state == ERROR); +   assign     wr_error = (wr_state == ERROR); +   assign     rd_idle = (rd_state == IDLE); +   assign     wr_idle = (wr_state == IDLE); + +   ram_2port #(.DWIDTH(32),.AWIDTH(BUF_SIZE)) buffer_in // CPU reads here +     (.clka(wb_clk_i),.ena(wb_stb_i),.wea(1'b0), +      .addra(wb_adr_i[BUF_SIZE+1:2]),.dia(0),.doa(wb_dat_o), +      .clkb(clk),.enb(1'b1),.web(we), +      .addrb(wr_addr),.dib(wr_data_i[31:0]),.dob()); +    +   ram_2port #(.DWIDTH(32),.AWIDTH(BUF_SIZE)) buffer_out // CPU writes here +     (.clka(wb_clk_i),.ena(wb_stb_i),.wea(wb_we_i), +      .addra(wb_adr_i[BUF_SIZE+1:2]),.dia(wb_dat_i),.doa(), +      .clkb(clk),.enb(en),.web(1'b0), +      .addrb(rd_addr),.dib(0),.dob(rd_data_o[31:0])); +    +   always @(posedge wb_clk_i) +     if(wb_rst_i) +       wb_ack_o <= 0; +     else +       wb_ack_o <= wb_stb_i & ~wb_ack_o; + +   setting_reg #(.my_addr(BASE))  +   sreg(.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr),.in(set_data), +	.out(ctrl),.changed(go)); +    +   assign status = { {(16-BUF_SIZE){1'b0}},wr_addr, +		     8'b0,1'b0,rd_idle,rd_error,rd_done, 1'b0,wr_idle,wr_error,wr_done}; + +endmodule // buffer_int2 diff --git a/fpga/usrp2/fifo/crossbar36.v b/fpga/usrp2/fifo/crossbar36.v new file mode 100644 index 000000000..d90f5659c --- /dev/null +++ b/fpga/usrp2/fifo/crossbar36.v @@ -0,0 +1,40 @@ + + +module crossbar36 +  (input clk, input reset, input clear, +   input cross, +   input [35:0] data0_i, input src0_rdy_i, output dst0_rdy_o, +   input [35:0] data1_i, input src1_rdy_i, output dst1_rdy_o, +   output [35:0] data0_o, output src0_rdy_o, input dst0_rdy_i, +   output [35:0] data1_o, output src1_rdy_o, input dst1_rdy_i); + +   reg 		 cross_int, active0, active1; + +   assign data0_o = cross_int ? data1_i : data0_i; +   assign data1_o = cross_int ? data0_i : data1_i; + +   assign src0_rdy_o = cross_int ? src1_rdy_i : src0_rdy_i; +   assign src1_rdy_o = cross_int ? src0_rdy_i : src1_rdy_i; + +   assign dst0_rdy_o = cross_int ? dst1_rdy_i : dst0_rdy_i; +   assign dst1_rdy_o = cross_int ? dst0_rdy_i : dst1_rdy_i; +    +   always @(posedge clk) +     if(reset | clear) +       active0 <= 0; +     else if(src0_rdy_i & dst0_rdy_o) +       active0 <= ~data0_i[33]; +    +   always @(posedge clk) +     if(reset | clear) +       active1 <= 0; +     else if(src1_rdy_i & dst1_rdy_o) +       active1 <= ~data1_i[33]; + +   always @(posedge clk) +     if(reset | clear) +       cross_int <= 0; +     else if(~active0 & ~active1) +       cross_int <= cross; +    +endmodule // crossbar36 diff --git a/fpga/usrp2/fifo/dsp_framer36.v b/fpga/usrp2/fifo/dsp_framer36.v new file mode 100644 index 000000000..34a05d91e --- /dev/null +++ b/fpga/usrp2/fifo/dsp_framer36.v @@ -0,0 +1,98 @@ + +// Frame DSP packets with a header line to be handled by the protocol machine + +module dsp_framer36 +    #(parameter BUF_SIZE = 9) +    ( +        input clk, input rst, input clr, +        input [35:0] inp_data, input inp_valid, output inp_ready, +        output [35:0] out_data, output out_valid, input out_ready +    ); + +    localparam DSP_FRM_STATE_WAIT_SOF = 0; +    localparam DSP_FRM_STATE_WAIT_EOF = 1; +    localparam DSP_FRM_STATE_WRITE_HDR = 2; +    localparam DSP_FRM_STATE_WRITE = 3; + +    reg [1:0] dsp_frm_state; +    reg [BUF_SIZE-1:0] dsp_frm_addr; +    reg [BUF_SIZE-1:0] dsp_frm_count; +    wire [BUF_SIZE-1:0] dsp_frm_addr_next = dsp_frm_addr + 1'b1; + +    //DSP input stream ready in the following states +    assign inp_ready = ( +        dsp_frm_state == DSP_FRM_STATE_WAIT_SOF || +        dsp_frm_state == DSP_FRM_STATE_WAIT_EOF +    )? 1'b1 : 1'b0; + +    //DSP framer output data mux (header or BRAM): +    //The header is generated here from the count. +    wire [31:0] dsp_frm_data_bram; +    wire [15:0] dsp_frm_bytes = {dsp_frm_count, 2'b00}; +    assign out_data = +        (dsp_frm_state == DSP_FRM_STATE_WRITE_HDR)? {4'b0001, 16'b1, dsp_frm_bytes} : ( +        (dsp_frm_addr == dsp_frm_count)           ? {4'b0010, dsp_frm_data_bram}    : ( +    {4'b0000, dsp_frm_data_bram})); +    assign out_valid = ( +        (dsp_frm_state == DSP_FRM_STATE_WRITE_HDR) || +        (dsp_frm_state == DSP_FRM_STATE_WRITE) +    )? 1'b1 : 1'b0; + +    RAMB16_S36_S36 dsp_frm_buff( +        //port A = DSP input interface (writes to BRAM) +        .DOA(),.ADDRA(dsp_frm_addr),.CLKA(clk),.DIA(inp_data[31:0]),.DIPA(4'h0), +        .ENA(inp_ready & inp_valid),.SSRA(0),.WEA(inp_ready & inp_valid), +        //port B = DSP framer interface (reads from BRAM) +        .DOB(dsp_frm_data_bram),.ADDRB(dsp_frm_addr),.CLKB(clk),.DIB(36'b0),.DIPB(4'h0), +        .ENB(out_ready & out_valid),.SSRB(0),.WEB(1'b0) +    ); + +    always @(posedge clk) +    if(rst | clr) begin +        dsp_frm_state <= DSP_FRM_STATE_WAIT_SOF; +        dsp_frm_addr <= 0; +    end +    else begin +        case(dsp_frm_state) +        DSP_FRM_STATE_WAIT_SOF: begin +            if (inp_ready & inp_valid & inp_data[32]) begin +                dsp_frm_addr <= dsp_frm_addr_next; +                dsp_frm_state <= DSP_FRM_STATE_WAIT_EOF; +            end +        end + +        DSP_FRM_STATE_WAIT_EOF: begin +            if (inp_ready & inp_valid) begin +                if (inp_data[33]) begin +                    dsp_frm_count <= dsp_frm_addr_next; +                    dsp_frm_addr <= 0; +                    dsp_frm_state <= DSP_FRM_STATE_WRITE_HDR; +                end +                else begin +                    dsp_frm_addr <= dsp_frm_addr_next; +                end +            end +        end + +        DSP_FRM_STATE_WRITE_HDR: begin +            if (out_ready & out_valid) begin +                dsp_frm_addr <= dsp_frm_addr_next; +                dsp_frm_state <= DSP_FRM_STATE_WRITE; +            end +        end + +        DSP_FRM_STATE_WRITE: begin +            if (out_ready & out_valid) begin +                if (out_data[33]) begin +                    dsp_frm_addr <= 0; +                    dsp_frm_state <= DSP_FRM_STATE_WAIT_SOF; +                end +                else begin +                    dsp_frm_addr <= dsp_frm_addr_next; +                end +            end +        end +        endcase //dsp_frm_state +    end + +endmodule //dsp_framer36 diff --git a/fpga/usrp2/fifo/packet_router.v b/fpga/usrp2/fifo/packet_router.v new file mode 100644 index 000000000..ff1f80927 --- /dev/null +++ b/fpga/usrp2/fifo/packet_router.v @@ -0,0 +1,536 @@ +module packet_router +    #( +        parameter BUF_SIZE = 9, +        parameter UDP_BASE = 0, +        parameter CTRL_BASE = 0 +    ) +    ( +        //wishbone interface for memory mapped CPU frames +        input wb_clk_i, +        input wb_rst_i, +        input wb_we_i, +        input wb_stb_i, +        input [15:0] wb_adr_i, +        input [31:0] wb_dat_i, +        output [31:0] wb_dat_o, +        output wb_ack_o, +        output wb_err_o, +        output wb_rty_o, + +        //setting register interface +        input set_stb, input [7:0] set_addr, input [31:0] set_data, + +        input stream_clk, +        input stream_rst, +        input stream_clr, + +        //output status register +        output [31:0] status, + +        output sys_int_o, //want an interrupt? + +        output [31:0] debug, + +        // Input Interfaces (in to router) +        input [35:0] ser_inp_data, input ser_inp_valid, output ser_inp_ready, +        input [35:0] dsp_inp_data, input dsp_inp_valid, output dsp_inp_ready, +        input [35:0] eth_inp_data, input eth_inp_valid, output eth_inp_ready, +        input [35:0] err_inp_data, input err_inp_valid, output err_inp_ready, + +        // Output Interfaces (out of router) +        output [35:0] ser_out_data, output ser_out_valid, input ser_out_ready, +        output [35:0] dsp_out_data, output dsp_out_valid, input dsp_out_ready, +        output [35:0] eth_out_data, output eth_out_valid, input eth_out_ready +    ); + +    assign wb_err_o = 1'b0;  // Unused for now +    assign wb_rty_o = 1'b0;  // Unused for now + +    //////////////////////////////////////////////////////////////////// +    // CPU interface to this packet router +    //////////////////////////////////////////////////////////////////// +    wire [35:0] cpu_inp_data,  cpu_out_data; +    wire        cpu_inp_valid, cpu_out_valid; +    wire        cpu_inp_ready, cpu_out_ready; + +    //////////////////////////////////////////////////////////////////// +    // Communication interfaces +    //////////////////////////////////////////////////////////////////// +    wire [35:0] com_inp_data,  com_out_data,  udp_out_data; +    wire        com_inp_valid, com_out_valid, udp_out_valid; +    wire        com_inp_ready, com_out_ready, udp_out_ready; + +    //////////////////////////////////////////////////////////////////// +    // Control signals (setting registers and status signals) +    //    - handshake lines for the CPU communication +    //    - setting registers to program the inspector +    //////////////////////////////////////////////////////////////////// + +    //setting register for mode control +    wire [31:0] _sreg_mode_ctrl; +    wire master_mode_flag = _sreg_mode_ctrl[0]; +    setting_reg #(.my_addr(CTRL_BASE+0)) sreg_mode_ctrl( +        .clk(stream_clk),.rst(stream_rst), +        .strobe(set_stb),.addr(set_addr),.in(set_data), +        .out(_sreg_mode_ctrl),.changed() +    ); + +    //setting register to program the IP address +    wire [31:0] my_ip_addr; +    setting_reg #(.my_addr(CTRL_BASE+1)) sreg_ip_addr( +        .clk(stream_clk),.rst(stream_rst), +        .strobe(set_stb),.addr(set_addr),.in(set_data), +        .out(my_ip_addr),.changed() +    ); + +    //setting register to program the UDP data ports +    wire [15:0] dsp0_udp_port, dsp1_udp_port; +    setting_reg #(.my_addr(CTRL_BASE+2)) sreg_data_ports( +        .clk(stream_clk),.rst(stream_rst), +        .strobe(set_stb),.addr(set_addr),.in(set_data), +        .out({dsp1_udp_port, dsp0_udp_port}),.changed() +    ); + +    //assign status output signals +    wire [31:0] cpu_iface_status; +    assign status = { +        cpu_iface_status[31:9], master_mode_flag, cpu_iface_status[7:0] +    }; + +    //////////////////////////////////////////////////////////////////// +    // Communication input source crossbar +    // When in master mode: +    //   - serdes input -> comm output combiner +    //   - ethernet input -> comm input inspector +    // When in slave mode: +    //   - serdes input -> comm input inspector +    //   - ethernet input -> null sink +    //////////////////////////////////////////////////////////////////// + +    //streaming signals from the crossbar to the combiner +    wire [35:0] ext_inp_data; +    wire        ext_inp_valid; +    wire        ext_inp_ready; + +    //dummy signals for valve/xbar below +    wire [35:0] _eth_inp_data; +    wire        _eth_inp_valid; +    wire        _eth_inp_ready; + +    valve36 eth_inp_valve ( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), .shutoff(~master_mode_flag), +        .data_i(eth_inp_data), .src_rdy_i(eth_inp_valid), .dst_rdy_o(eth_inp_ready), +        .data_o(_eth_inp_data), .src_rdy_o(_eth_inp_valid), .dst_rdy_i(_eth_inp_ready) +    ); + +    crossbar36 com_inp_xbar ( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), .cross(~master_mode_flag), +        .data0_i(_eth_inp_data), .src0_rdy_i(_eth_inp_valid), .dst0_rdy_o(_eth_inp_ready), +        .data1_i(ser_inp_data), .src1_rdy_i(ser_inp_valid), .dst1_rdy_o(ser_inp_ready), +        .data0_o(com_inp_data), .src0_rdy_o(com_inp_valid), .dst0_rdy_i(com_inp_ready), +        .data1_o(ext_inp_data), .src1_rdy_o(ext_inp_valid), .dst1_rdy_i(ext_inp_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // Communication output sink crossbar +    // When in master mode: +    //   - comm output -> ethernet output +    //   - insp output -> serdes output +    // When in slave mode: +    //   - com output -> serdes output +    //   - insp output -> null sink +    //////////////////////////////////////////////////////////////////// + +    //streaming signals from the inspector to the crossbar +    wire [35:0] ext_out_data; +    wire        ext_out_valid; +    wire        ext_out_ready; + +    //dummy signals for valve/xbar below +    wire [35:0] _eth_out_data; +    wire        _eth_out_valid; +    wire        _eth_out_ready; + +    crossbar36 com_out_xbar ( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), .cross(~master_mode_flag), +        .data0_i(com_out_data), .src0_rdy_i(com_out_valid), .dst0_rdy_o(com_out_ready), +        .data1_i(ext_out_data), .src1_rdy_i(ext_out_valid), .dst1_rdy_o(ext_out_ready), +        .data0_o(_eth_out_data), .src0_rdy_o(_eth_out_valid), .dst0_rdy_i(_eth_out_ready), +        .data1_o(ser_out_data), .src1_rdy_o(ser_out_valid), .dst1_rdy_i(ser_out_ready) +    ); + +    valve36 eth_out_valve ( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), .shutoff(~master_mode_flag), +        .data_i(_eth_out_data), .src_rdy_i(_eth_out_valid), .dst_rdy_o(_eth_out_ready), +        .data_o(eth_out_data), .src_rdy_o(eth_out_valid), .dst_rdy_i(eth_out_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // Communication output source combiner (feeds UDP proto machine) +    //   - DSP framer +    //   - CPU input +    //   - ERR input +    //////////////////////////////////////////////////////////////////// + +    //streaming signals from the dsp framer to the combiner +    wire [35:0] dsp_frm_data; +    wire        dsp_frm_valid; +    wire        dsp_frm_ready; + +    //dummy signals to join the the muxes below +    wire [35:0] _combiner0_data, _combiner1_data; +    wire        _combiner0_valid, _combiner1_valid; +    wire        _combiner0_ready, _combiner1_ready; + +    fifo36_mux _com_output_combiner0( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(dsp_frm_data), .src0_rdy_i(dsp_frm_valid), .dst0_rdy_o(dsp_frm_ready), +        .data1_i(err_inp_data), .src1_rdy_i(err_inp_valid), .dst1_rdy_o(err_inp_ready), +        .data_o(_combiner0_data), .src_rdy_o(_combiner0_valid), .dst_rdy_i(_combiner0_ready) +    ); + +    fifo36_mux _com_output_combiner1( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(32'b0), .src0_rdy_i(1'b0), .dst0_rdy_o(), //mux out from dsp1 can go here +        .data1_i(cpu_inp_data), .src1_rdy_i(cpu_inp_valid), .dst1_rdy_o(cpu_inp_ready), +        .data_o(_combiner1_data), .src_rdy_o(_combiner1_valid), .dst_rdy_i(_combiner1_ready) +    ); + +    fifo36_mux com_output_source( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(_combiner0_data), .src0_rdy_i(_combiner0_valid), .dst0_rdy_o(_combiner0_ready), +        .data1_i(_combiner1_data), .src1_rdy_i(_combiner1_valid), .dst1_rdy_o(_combiner1_ready), +        .data_o(udp_out_data), .src_rdy_o(udp_out_valid), .dst_rdy_i(udp_out_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // Interface CPU to memory mapped wishbone +    //////////////////////////////////////////////////////////////////// +    buffer_int2 #(.BASE(CTRL_BASE+3), .BUF_SIZE(BUF_SIZE)) cpu_to_wb( +        .clk(stream_clk), .rst(stream_rst | stream_clr), +        .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), +        .status(cpu_iface_status), +        // Wishbone interface to RAM +        .wb_clk_i(wb_clk_i), .wb_rst_i(wb_rst_i), +        .wb_we_i(wb_we_i),   .wb_stb_i(wb_stb_i), +        .wb_adr_i(wb_adr_i), .wb_dat_i(wb_dat_i), +        .wb_dat_o(wb_dat_o), .wb_ack_o(wb_ack_o), +        // Write FIFO Interface (from PR and into WB) +        .wr_data_i(cpu_out_data), +        .wr_ready_i(cpu_out_valid), +        .wr_ready_o(cpu_out_ready), +        // Read FIFO Interface (from WB and into PR) +        .rd_data_o(cpu_inp_data), +        .rd_ready_o(cpu_inp_valid), +        .rd_ready_i(cpu_inp_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // Communication input inspector +    //   - inspect com input and send it to DSP, EXT, CPU, or BOTH +    //////////////////////////////////////////////////////////////////// +    localparam COM_INSP_STATE_READ_COM_PRE = 0; +    localparam COM_INSP_STATE_READ_COM = 1; +    localparam COM_INSP_STATE_WRITE_REGS = 2; +    localparam COM_INSP_STATE_WRITE_LIVE = 3; + +    localparam COM_INSP_DEST_DSP = 0; +    localparam COM_INSP_DEST_EXT = 1; +    localparam COM_INSP_DEST_CPU = 2; +    localparam COM_INSP_DEST_BOF = 3; + +    localparam COM_INSP_MAX_NUM_DREGS = 13; //padded_eth + ip + udp + seq + vrt_hdr +    localparam COM_INSP_DREGS_DSP_OFFSET = 11; //offset to start dsp at + +    //output inspector interfaces +    wire [35:0] com_insp_out_dsp_data; +    wire        com_insp_out_dsp_valid; +    wire        com_insp_out_dsp_ready; + +    wire [35:0] com_insp_out_ext_data; +    wire        com_insp_out_ext_valid; +    wire        com_insp_out_ext_ready; + +    wire [35:0] com_insp_out_cpu_data; +    wire        com_insp_out_cpu_valid; +    wire        com_insp_out_cpu_ready; + +    wire [35:0] com_insp_out_bof_data; +    wire        com_insp_out_bof_valid; +    wire        com_insp_out_bof_ready; + +    //connect this fast-path signals directly to the DSP out +    assign dsp_out_data = com_insp_out_dsp_data; +    assign dsp_out_valid = com_insp_out_dsp_valid; +    assign com_insp_out_dsp_ready = dsp_out_ready; + +    reg [1:0] com_insp_state; +    reg [1:0] com_insp_dest; +    reg [3:0] com_insp_dreg_count; //data registers to buffer headers +    wire [3:0] com_insp_dreg_count_next = com_insp_dreg_count + 1'b1; +    wire com_insp_dreg_counter_done = (com_insp_dreg_count_next == COM_INSP_MAX_NUM_DREGS)? 1'b1 : 1'b0; +    reg [35:0] com_insp_dregs [COM_INSP_MAX_NUM_DREGS-1:0]; + +    //extract various packet components: +    wire [47:0] com_insp_dregs_eth_dst_mac   = {com_insp_dregs[0][15:0], com_insp_dregs[1][31:0]}; +    wire [15:0] com_insp_dregs_eth_type      = com_insp_dregs[3][15:0]; +    wire [7:0]  com_insp_dregs_ipv4_proto    = com_insp_dregs[6][23:16]; +    wire [31:0] com_insp_dregs_ipv4_dst_addr = com_insp_dregs[8][31:0]; +    wire [15:0] com_insp_dregs_udp_dst_port  = com_insp_dregs[9][15:0]; +    wire [15:0] com_insp_dregs_vrt_size      = com_inp_data[15:0]; + +    //Inspector output flags special case: +    //Inject SOF into flags at first DSP line. +    wire [3:0] com_insp_out_flags = ( +        (com_insp_dreg_count == COM_INSP_DREGS_DSP_OFFSET) && +        (com_insp_dest == COM_INSP_DEST_DSP) +    )? 4'b0001 : com_insp_dregs[com_insp_dreg_count][35:32]; + +    //The communication inspector ouput data and valid signals: +    //Mux between com input and data registers based on the state. +    wire [35:0] com_insp_out_data = (com_insp_state == COM_INSP_STATE_WRITE_REGS)? +        {com_insp_out_flags, com_insp_dregs[com_insp_dreg_count][31:0]} : com_inp_data +    ; +    wire com_insp_out_valid = +        (com_insp_state == COM_INSP_STATE_WRITE_REGS)? 1'b1          : ( +        (com_insp_state == COM_INSP_STATE_WRITE_LIVE)? com_inp_valid : ( +    1'b0)); + +    //The communication inspector ouput ready signal: +    //Mux between the various destination ready signals. +    wire com_insp_out_ready = +        (com_insp_dest == COM_INSP_DEST_DSP)? com_insp_out_dsp_ready : ( +        (com_insp_dest == COM_INSP_DEST_EXT)? com_insp_out_ext_ready : ( +        (com_insp_dest == COM_INSP_DEST_CPU)? com_insp_out_cpu_ready : ( +        (com_insp_dest == COM_INSP_DEST_BOF)? com_insp_out_bof_ready : ( +    1'b0)))); + +    //Always connected output data lines. +    assign com_insp_out_dsp_data = com_insp_out_data; +    assign com_insp_out_ext_data = com_insp_out_data; +    assign com_insp_out_cpu_data = com_insp_out_data; +    assign com_insp_out_bof_data = com_insp_out_data; + +    //Destination output valid signals: +    //Comes from inspector valid when destination is selected, and otherwise low. +    assign com_insp_out_dsp_valid = (com_insp_dest == COM_INSP_DEST_DSP)? com_insp_out_valid : 1'b0; +    assign com_insp_out_ext_valid = (com_insp_dest == COM_INSP_DEST_EXT)? com_insp_out_valid : 1'b0; +    assign com_insp_out_cpu_valid = (com_insp_dest == COM_INSP_DEST_CPU)? com_insp_out_valid : 1'b0; +    assign com_insp_out_bof_valid = (com_insp_dest == COM_INSP_DEST_BOF)? com_insp_out_valid : 1'b0; + +    //The communication inspector ouput ready signal: +    //Always ready when storing to data registers, +    //comes from inspector ready output when live, +    //and otherwise low. +    assign com_inp_ready = +        (com_insp_state == COM_INSP_STATE_READ_COM_PRE)  ? 1'b1               : ( +        (com_insp_state == COM_INSP_STATE_READ_COM)      ? 1'b1               : ( +        (com_insp_state == COM_INSP_STATE_WRITE_LIVE)    ? com_insp_out_ready : ( +    1'b0))); + +    always @(posedge stream_clk) +    if(stream_rst | stream_clr) begin +        com_insp_state <= COM_INSP_STATE_READ_COM_PRE; +        com_insp_dreg_count <= 0; +    end +    else begin +        case(com_insp_state) +        COM_INSP_STATE_READ_COM_PRE: begin +            if (com_inp_ready & com_inp_valid & com_inp_data[32]) begin +                com_insp_state <= COM_INSP_STATE_READ_COM; +                com_insp_dreg_count <= com_insp_dreg_count_next; +                com_insp_dregs[com_insp_dreg_count] <= com_inp_data; +            end +        end + +        COM_INSP_STATE_READ_COM: begin +            if (com_inp_ready & com_inp_valid) begin +                com_insp_dregs[com_insp_dreg_count] <= com_inp_data; +                if (com_insp_dreg_counter_done | com_inp_data[33]) begin +                    com_insp_state <= COM_INSP_STATE_WRITE_REGS; +                    com_insp_dreg_count <= 0; + +                    //---------- begin inspection decision -----------// +                    //EOF or bcast or not IPv4 or not UDP: +                    if ( +                        com_inp_data[33] || (com_insp_dregs_eth_dst_mac == 48'hffffffffffff) || +                        (com_insp_dregs_eth_type != 16'h800) || (com_insp_dregs_ipv4_proto != 8'h11) +                    ) begin +                        com_insp_dest <= COM_INSP_DEST_BOF; +                    end + +                    //not my IP address: +                    else if (com_insp_dregs_ipv4_dst_addr != my_ip_addr) begin +                        com_insp_dest <= COM_INSP_DEST_EXT; +                    end + +                    //UDP data port and VRT: +                    else if ((com_insp_dregs_udp_dst_port == dsp0_udp_port) && (com_insp_dregs_vrt_size != 16'h0)) begin +                        com_insp_dest <= COM_INSP_DEST_DSP; +                        com_insp_dreg_count <= COM_INSP_DREGS_DSP_OFFSET; +                    end + +                    //other: +                    else begin +                        com_insp_dest <= COM_INSP_DEST_CPU; +                    end +                    //---------- end inspection decision -------------// + +                end +                else begin +                    com_insp_dreg_count <= com_insp_dreg_count_next; +                end +            end +        end + +        COM_INSP_STATE_WRITE_REGS: begin +            if (com_insp_out_ready & com_insp_out_valid) begin +                if (com_insp_out_data[33]) begin +                    com_insp_state <= COM_INSP_STATE_READ_COM_PRE; +                    com_insp_dreg_count <= 0; +                end +                else if (com_insp_dreg_counter_done) begin +                    com_insp_state <= COM_INSP_STATE_WRITE_LIVE; +                    com_insp_dreg_count <= 0; +                end +                else begin +                    com_insp_dreg_count <= com_insp_dreg_count_next; +                end +            end +        end + +        COM_INSP_STATE_WRITE_LIVE: begin +            if (com_insp_out_ready & com_insp_out_valid & com_insp_out_data[33]) begin +                com_insp_state <= COM_INSP_STATE_READ_COM_PRE; +            end +        end + +        endcase //com_insp_state +    end + +    //////////////////////////////////////////////////////////////////// +    // Splitter and output muxes for the bof packets +    //   - split the bof packets into two streams +    //   - mux split packets into cpu out and ext out +    //////////////////////////////////////////////////////////////////// + +    //dummy signals to join the the splitter and muxes below +    wire [35:0] _split_to_ext_data,  _split_to_cpu_data,  _cpu_out_data; +    wire        _split_to_ext_valid, _split_to_cpu_valid, _cpu_out_valid; +    wire        _split_to_ext_ready, _split_to_cpu_ready, _cpu_out_ready; + +    splitter36 bof_out_splitter( +        .clk(stream_clk), .rst(stream_rst), .clr(stream_clr), +        .inp_data(com_insp_out_bof_data), .inp_valid(com_insp_out_bof_valid), .inp_ready(com_insp_out_bof_ready), +        .out0_data(_split_to_ext_data),   .out0_valid(_split_to_ext_valid),   .out0_ready(_split_to_ext_ready), +        .out1_data(_split_to_cpu_data),   .out1_valid(_split_to_cpu_valid),   .out1_ready(_split_to_cpu_ready) +    ); + +    fifo36_mux ext_out_mux( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(com_insp_out_ext_data), .src0_rdy_i(com_insp_out_ext_valid), .dst0_rdy_o(com_insp_out_ext_ready), +        .data1_i(_split_to_ext_data),    .src1_rdy_i(_split_to_ext_valid),    .dst1_rdy_o(_split_to_ext_ready), +        .data_o(ext_out_data),           .src_rdy_o(ext_out_valid),           .dst_rdy_i(ext_out_ready) +    ); + +    fifo36_mux cpu_out_mux( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(com_insp_out_cpu_data), .src0_rdy_i(com_insp_out_cpu_valid), .dst0_rdy_o(com_insp_out_cpu_ready), +        .data1_i(_split_to_cpu_data),    .src1_rdy_i(_split_to_cpu_valid),    .dst1_rdy_o(_split_to_cpu_ready), +        .data_o(_cpu_out_data),          .src_rdy_o(_cpu_out_valid),          .dst_rdy_i(_cpu_out_ready) +    ); + +    fifo_cascade #(.WIDTH(36), .SIZE(9/*512 lines plenty for short pkts*/)) cpu_out_fifo ( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .datain(_cpu_out_data), .src_rdy_i(_cpu_out_valid), .dst_rdy_o(_cpu_out_ready), +        .dataout(cpu_out_data), .src_rdy_o(cpu_out_valid),  .dst_rdy_i(cpu_out_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // DSP input framer +    //////////////////////////////////////////////////////////////////// + +    dsp_framer36 #(.BUF_SIZE(BUF_SIZE)) dsp0_framer36( +        .clk(stream_clk), .rst(stream_rst), .clr(stream_clr), +        .inp_data(dsp_inp_data), .inp_valid(dsp_inp_valid), .inp_ready(dsp_inp_ready), +        .out_data(dsp_frm_data), .out_valid(dsp_frm_valid), .out_ready(dsp_frm_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // UDP TX Protocol machine +    //////////////////////////////////////////////////////////////////// + +    //dummy signals to connect the components below +    wire [18:0] _udp_r2s_data, _udp_s2p_data, _udp_p2s_data, _udp_s2r_data; +    wire _udp_r2s_valid, _udp_s2p_valid, _udp_p2s_valid, _udp_s2r_valid; +    wire _udp_r2s_ready, _udp_s2p_ready, _udp_p2s_ready, _udp_s2r_ready; + +    wire [35:0] _com_out_data; +    wire _com_out_valid, _com_out_ready; + +    fifo36_to_fifo19 udp_fifo36_to_fifo19 +     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +      .f36_datain(udp_out_data),   .f36_src_rdy_i(udp_out_valid),  .f36_dst_rdy_o(udp_out_ready), +      .f19_dataout(_udp_r2s_data), .f19_src_rdy_o(_udp_r2s_valid), .f19_dst_rdy_i(_udp_r2s_ready) ); + +    fifo_short #(.WIDTH(19)) udp_shortfifo19_inp +     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +      .datain(_udp_r2s_data),  .src_rdy_i(_udp_r2s_valid), .dst_rdy_o(_udp_r2s_ready), +      .dataout(_udp_s2p_data), .src_rdy_o(_udp_s2p_valid), .dst_rdy_i(_udp_s2p_ready), +      .space(), .occupied() ); + +    prot_eng_tx #(.BASE(UDP_BASE)) udp_prot_eng_tx +     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +      .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), +      .datain(_udp_s2p_data),  .src_rdy_i(_udp_s2p_valid), .dst_rdy_o(_udp_s2p_ready), +      .dataout(_udp_p2s_data), .src_rdy_o(_udp_p2s_valid), .dst_rdy_i(_udp_p2s_ready) ); + +    fifo_short #(.WIDTH(19)) udp_shortfifo19_out +     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +      .datain(_udp_p2s_data),  .src_rdy_i(_udp_p2s_valid), .dst_rdy_o(_udp_p2s_ready), +      .dataout(_udp_s2r_data), .src_rdy_o(_udp_s2r_valid), .dst_rdy_i(_udp_s2r_ready), +      .space(), .occupied() ); + +    fifo19_to_fifo36 udp_fifo19_to_fifo36 +     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +      .f19_datain(_udp_s2r_data), .f19_src_rdy_i(_udp_s2r_valid), .f19_dst_rdy_o(_udp_s2r_ready), +      .f36_dataout(_com_out_data), .f36_src_rdy_o(_com_out_valid),  .f36_dst_rdy_i(_com_out_ready) ); + +    fifo36_mux com_out_mux( +        .clk(stream_clk), .reset(stream_rst), .clear(stream_clr), +        .data0_i(ext_inp_data),  .src0_rdy_i(ext_inp_valid),  .dst0_rdy_o(ext_inp_ready), +        .data1_i(_com_out_data), .src1_rdy_i(_com_out_valid), .dst1_rdy_o(_com_out_ready), +        .data_o(com_out_data),   .src_rdy_o(com_out_valid),   .dst_rdy_i(com_out_ready) +    ); + +    //////////////////////////////////////////////////////////////////// +    // Assign debugs +    //////////////////////////////////////////////////////////////////// + +    assign debug = { +        //inputs to the router (8) +        dsp_inp_ready, dsp_inp_valid, +        ser_inp_ready, ser_inp_valid, +        eth_inp_ready, eth_inp_valid, +        cpu_inp_ready, cpu_inp_valid, + +        //outputs from the router (8) +        dsp_out_ready, dsp_out_valid, +        ser_out_ready, ser_out_valid, +        eth_out_ready, eth_out_valid, +        cpu_out_ready, cpu_out_valid, + +        //inspector interfaces (8) +        com_insp_out_dsp_ready, com_insp_out_dsp_valid, +        com_insp_out_ext_ready, com_insp_out_ext_valid, +        com_insp_out_cpu_ready, com_insp_out_cpu_valid, +        com_insp_out_bof_ready, com_insp_out_bof_valid, + +        //other interfaces (8) +        ext_inp_ready, ext_inp_valid, +        com_out_ready, com_out_valid, +        ext_out_ready, ext_out_valid, +        com_inp_ready, com_inp_valid +    }; + +endmodule // packet_router diff --git a/fpga/usrp2/fifo/splitter36.v b/fpga/usrp2/fifo/splitter36.v new file mode 100644 index 000000000..ed998b4f5 --- /dev/null +++ b/fpga/usrp2/fifo/splitter36.v @@ -0,0 +1,68 @@ + +// Split packets from a fifo based interface so it goes out identically on two interfaces + +module splitter36 +    ( +        input clk, input rst, input clr, +        input [35:0] inp_data, input inp_valid, output inp_ready, +        output [35:0] out0_data, output out0_valid, input out0_ready, +        output [35:0] out1_data, output out1_valid, input out1_ready +    ); + +    localparam STATE_COPY_BOTH = 0; +    localparam STATE_COPY_ZERO = 1; +    localparam STATE_COPY_ONE = 2; + +    reg [1:0] state; +    reg [35:0] data_reg; + +    assign out0_data = (state == STATE_COPY_BOTH)? inp_data : data_reg; +    assign out1_data = (state == STATE_COPY_BOTH)? inp_data : data_reg; + +    assign out0_valid = +        (state == STATE_COPY_BOTH)? inp_valid : ( +        (state == STATE_COPY_ZERO)? 1'b1      : ( +    1'b0)); + +    assign out1_valid = +        (state == STATE_COPY_BOTH)? inp_valid : ( +        (state == STATE_COPY_ONE)?  1'b1      : ( +    1'b0)); + +    assign inp_ready = (state == STATE_COPY_BOTH)? (out0_ready | out1_ready) : 1'b0; + +    always @(posedge clk) +    if (rst | clr) begin +        state <= STATE_COPY_BOTH; +    end +    else begin +        case (state) + +        STATE_COPY_BOTH: begin +            if ((out0_valid & out0_ready) & ~(out1_valid & out1_ready)) begin +                state <= STATE_COPY_ONE; +            end +            else if (~(out0_valid & out0_ready) & (out1_valid & out1_ready)) begin +                state <= STATE_COPY_ZERO; +            end +            data_reg <= inp_data; +        end + +        STATE_COPY_ZERO: begin +            if (out0_valid & out0_ready) begin +                state <= STATE_COPY_BOTH; +            end +        end + +        STATE_COPY_ONE: begin +            if (out1_valid & out1_ready) begin +                state <= STATE_COPY_BOTH; +            end +        end + +        endcase //state +    end + + + +endmodule //splitter36 diff --git a/fpga/usrp2/fifo/valve36.v b/fpga/usrp2/fifo/valve36.v new file mode 100644 index 000000000..b4b23e5a6 --- /dev/null +++ b/fpga/usrp2/fifo/valve36.v @@ -0,0 +1,28 @@ + + +module valve36 +  (input clk, input reset, input clear, +   input shutoff, +   input [35:0] data_i, input src_rdy_i, output dst_rdy_o, +   output [35:0] data_o, output src_rdy_o, input dst_rdy_i); +    +   reg 		 shutoff_int, active; +    +   assign data_o = data_i; + +   assign dst_rdy_o = shutoff_int ? 1'b1 : dst_rdy_i; +   assign src_rdy_o = shutoff_int ? 1'b0 : src_rdy_i; +    +   always @(posedge clk) +     if(reset | clear) +       active <= 0; +     else if(src_rdy_i & dst_rdy_o) +       active <= ~data_i[33]; +    +   always @(posedge clk) +     if(reset | clear) +       shutoff_int <= 0; +     else if(~active) +       shutoff_int <= shutoff; +    +endmodule // valve36 diff --git a/fpga/usrp2/opencores/Makefile.srcs b/fpga/usrp2/opencores/Makefile.srcs index 284578b39..838b1b813 100644 --- a/fpga/usrp2/opencores/Makefile.srcs +++ b/fpga/usrp2/opencores/Makefile.srcs @@ -25,4 +25,12 @@ spi/rtl/verilog/spi_defines.v \  spi/rtl/verilog/spi_shift.v \  spi/rtl/verilog/spi_top.v \  spi/rtl/verilog/spi_top16.v \ +zpu/zpu_top_pkg.vhd \ +zpu/zpu_wb_top.vhd \ +zpu/wishbone/wishbone_pkg.vhd \ +zpu/wishbone/zpu_system.vhd \ +zpu/wishbone/zpu_wb_bridge.vhd \ +zpu/core/zpu_config.vhd \ +zpu/core/zpu_core.vhd \ +zpu/core/zpupkg.vhd \  )) diff --git a/fpga/usrp2/opencores/zpu/core/zpu_config.vhd b/fpga/usrp2/opencores/zpu/core/zpu_config.vhd new file mode 100644 index 000000000..b7e894232 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/core/zpu_config.vhd @@ -0,0 +1,15 @@ +library ieee;
 +use ieee.std_logic_1164.all;
 +use ieee.std_logic_unsigned.all;
 +
 +package zpu_config is
 +	-- generate trace output or not.
 +	constant	Generate_Trace		: boolean := false;
 +	constant 	wordPower			: integer := 5;
 +	-- during simulation, set this to '0' to get matching trace.txt 
 +	constant	DontCareValue		: std_logic := '0';
 +	-- Clock frequency in MHz.
 +	constant	ZPU_Frequency		: std_logic_vector(7 downto 0) := x"40";
 +	-- This is the msb address bit. bytes=2^(maxAddrBitIncIO+1)
 +	constant 	maxAddrBitIncIO		: integer := 15;
 +end zpu_config;
 diff --git a/fpga/usrp2/opencores/zpu/core/zpu_core.vhd b/fpga/usrp2/opencores/zpu/core/zpu_core.vhd new file mode 100644 index 000000000..24586b2f6 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/core/zpu_core.vhd @@ -0,0 +1,949 @@ + +-- Company: ZPU4 generic memory interface CPU +-- Engineer: Øyvind Harboe + +library IEEE; +use IEEE.STD_LOGIC_1164.ALL; +use IEEE.STD_LOGIC_UNSIGNED.ALL; +use IEEE.STD_LOGIC_arith.ALL; + +library work; +use work.zpu_config.all; +use work.zpupkg.all; + + + + + +entity zpu_core is +    Port ( clk : in std_logic; +	 		  areset : in std_logic; +	 		  enable : in std_logic;  +	 		  mem_req : out std_logic; +	 		  mem_we : out std_logic; +	 		  mem_ack : in std_logic;  +	 		  mem_read : in std_logic_vector(wordSize-1 downto 0); +	 		  mem_write : out std_logic_vector(wordSize-1 downto 0); +			  out_mem_addr : out std_logic_vector(maxAddrBitIncIO downto 0); +	 		  mem_writeMask: out std_logic_vector(wordBytes-1 downto 0); +			  stack_start : in std_logic_vector(maxAddrBitIncIO downto 0); +	 		  interrupt : in std_logic; +	 		  break : out std_logic; +	 		  zpu_status : out std_logic_vector(63 downto 0)); +end zpu_core; + +architecture behave of zpu_core is + +type InsnType is  +( +State_AddTop, +State_Dup, +State_DupStackB, +State_Pop, +State_Popdown, +State_Add, +State_Or, +State_And, +State_Store, +State_AddSP, +State_Shift, +State_Nop, +State_Im, +State_LoadSP, +State_StoreSP, +State_Emulate, +State_Load, +State_PushPC, +State_PushSP, +State_PopPC, +State_PopPCRel, +State_Not, +State_Flip, +State_PopSP, +State_Neqbranch, +State_Eq, +State_Loadb, +State_Mult, +State_Lessthan, +State_Lessthanorequal, +State_Ulessthanorequal, +State_Ulessthan, +State_Pushspadd, +State_Call, +State_Callpcrel, +State_Sub, +State_Break, +State_Storeb, +State_Interrupt, +State_InsnFetch +); + +type StateType is  +( +State_Idle, -- using first state first on the list out of paranoia  +State_Load2, +State_Popped, +State_LoadSP2, +State_LoadSP3, +State_AddSP2, +State_Fetch, +State_Execute, +State_Decode, +State_Decode2, +State_Resync, + +State_StoreSP2, +State_Resync2, +State_Resync3, +State_Loadb2, +State_Storeb2, +State_Mult2, +State_Mult3, +State_Mult5, +State_Mult6, +State_Mult4, +State_BinaryOpResult +);  + + +signal	pc				: std_logic_vector(maxAddrBitIncIO downto 0); +signal	sp				: std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal	incSp			: std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal	incIncSp			: std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal	decSp			: std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal  stackA   		: std_logic_vector(wordSize-1 downto 0); +signal  binaryOpResult		: std_logic_vector(wordSize-1 downto 0); +signal  multResult2  		: std_logic_vector(wordSize-1 downto 0); +signal  multResult3  		: std_logic_vector(wordSize-1 downto 0); +signal  multResult  		: std_logic_vector(wordSize-1 downto 0); +signal  multA 		: std_logic_vector(wordSize-1 downto 0); +signal  multB  		: std_logic_vector(wordSize-1 downto 0); +signal  stackB  		: std_logic_vector(wordSize-1 downto 0); +signal	idim_flag			: std_logic; +signal	busy 				: std_logic; +signal mem_readEnable : std_logic; +signal mem_addr : std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal mem_delayAddr : std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal mem_delayReadEnable : std_logic; +signal mem_busy : std_logic; +signal decodeWord : std_logic_vector(wordSize-1 downto 0); + + +signal state : StateType; +signal insn : InsnType; +type InsnArray is array(0 to wordBytes-1) of InsnType; +signal decodedOpcode : InsnArray; + +type OpcodeArray is array(0 to wordBytes-1) of std_logic_vector(7 downto 0); + +signal opcode : OpcodeArray; + + + + +signal	begin_inst			: std_logic; +signal trace_opcode		: std_logic_vector(7 downto 0); +signal	trace_pc				: std_logic_vector(maxAddrBitIncIO downto 0); +signal	trace_sp				: std_logic_vector(maxAddrBitIncIO downto minAddrBit); +signal	trace_topOfStack				: std_logic_vector(wordSize-1 downto 0); +signal	trace_topOfStackB				: std_logic_vector(wordSize-1 downto 0); + +signal	out_mem_req : std_logic; + +signal inInterrupt : std_logic; + +-- state machine. + +begin + +	zpu_status(maxAddrBitIncIO downto 0) <= trace_pc; +	zpu_status(31) <= '1'; +	zpu_status(39 downto 32) <= trace_opcode; +	zpu_status(40) <= '1' when (state = State_Idle) else '0'; +	zpu_status(62) <= '1'; + +	traceFileGenerate: +   if Generate_Trace generate +	trace_file: trace port map ( +       	clk => clk, +       	begin_inst => begin_inst, +       	pc => trace_pc, +		opcode => trace_opcode, +		sp => trace_sp, +		memA => trace_topOfStack, +		memB => trace_topOfStackB, +		busy => busy, +		intsp => (others => 'U') +        ); +	end generate; + +	 +	-- the memory subsystem will tell us one cycle later whether or  +	-- not it is busy +	out_mem_addr(maxAddrBitIncIO downto minAddrBit) <= mem_addr; +	out_mem_addr(minAddrBit-1 downto 0) <= (others => '0'); +	mem_req <= out_mem_req; +	 +	incSp <= sp + 1; +	incIncSp <= sp + 2; +	decSp <= sp - 1; +	 +	mem_busy <= out_mem_req and not mem_ack; -- '1' when the memory is busy + +	opcodeControl: +	process(clk, areset) +		variable tOpcode : std_logic_vector(OpCode_Size-1 downto 0); +		variable spOffset : std_logic_vector(4 downto 0); +		variable tSpOffset : std_logic_vector(4 downto 0); +		variable nextPC : std_logic_vector(maxAddrBitIncIO downto 0); +		variable tNextState : InsnType; +		variable tDecodedOpcode : InsnArray; +		variable tMultResult : std_logic_vector(wordSize*2-1 downto 0); +	begin +		if areset = '1' then +			state <= State_Idle; +			break <= '0'; +			sp <= stack_start(maxAddrBitIncIO downto minAddrBit); +			  +			pc <= (others => '0'); +			idim_flag <= '0'; +			begin_inst <= '0'; +			mem_we <= '0'; +			multA <= (others => '0'); +			multB <= (others => '0'); +			mem_writeMask <= (others => '1'); +			out_mem_req <= '0'; +			mem_addr <= (others => DontCareValue); +			mem_write <= (others => DontCareValue); +			inInterrupt <= '0'; +		elsif (clk'event and clk = '1') then +			-- we must multiply unconditionally to get pipelined multiplication +        	tMultResult := multA * multB; +    		multResult3 <= multResult2; +    		multResult2 <= multResult; +    		multResult <= tMultResult(wordSize-1 downto 0); +    		 +			 +			spOffset(4):=not opcode(conv_integer(pc(byteBits-1 downto 0)))(4); +			spOffset(3 downto 0):=opcode(conv_integer(pc(byteBits-1 downto 0)))(3 downto 0); +			nextPC := pc + 1; + +			-- prepare trace snapshot +			trace_opcode <= opcode(conv_integer(pc(byteBits-1 downto 0))); +			trace_pc <= pc; +			trace_sp <=	sp; +			trace_topOfStack <= stackA; +			trace_topOfStackB <= stackB; +			begin_inst <= '0'; + +			-- we terminate the requeset as soon as we get acknowledge +			if mem_ack = '1' then +				out_mem_req <= '0'; +				mem_we <= '0'; +			end if; +			 +			if interrupt='0' then +				inInterrupt <= '0'; -- no longer in an interrupt +			end if; + +			case state is +				when State_Idle => +					if enable='1' then +						state <= State_Resync;  +					end if; +				-- Initial state of ZPU, fetch top of stack + first instruction  +				when State_Resync => +					if mem_busy='0' then +						mem_addr <= sp; +						out_mem_req <= '1'; +						state <= State_Resync2; +					end if; +				when State_Resync2 => +					if mem_busy='0' then +						stackA <= mem_read; +						mem_addr <= incSp; +						out_mem_req <= '1'; +						state <= State_Resync3; +					end if; +				when State_Resync3 => +					if mem_busy='0' then +						stackB <= mem_read; +						mem_addr <= pc(maxAddrBitIncIO downto minAddrBit); +						out_mem_req <= '1'; +						state <= State_Decode; +					end if; +				when State_Decode => +					if mem_busy='0' then +						decodeWord <= mem_read; +						state <= State_Decode2; +					end if; +				when State_Decode2 => +					-- decode 4 instructions in parallel +					for i in 0 to wordBytes-1 loop +						tOpcode := decodeWord((wordBytes-1-i+1)*8-1 downto (wordBytes-1-i)*8); + +						tSpOffset(4):=not tOpcode(4); +						tSpOffset(3 downto 0):=tOpcode(3 downto 0); + +						opcode(i) <= tOpcode; +						if (tOpcode(7 downto 7)=OpCode_Im) then +							tNextState:=State_Im; +						elsif (tOpcode(7 downto 5)=OpCode_StoreSP) then +							if tSpOffset = 0 then +								tNextState := State_Pop; +							elsif tSpOffset=1 then +								tNextState := State_PopDown; +							else +								tNextState :=State_StoreSP; +							end if; +						elsif (tOpcode(7 downto 5)=OpCode_LoadSP) then +							if tSpOffset = 0 then +								tNextState :=State_Dup; +							elsif tSpOffset = 1 then +								tNextState :=State_DupStackB; +							else +								tNextState :=State_LoadSP; +							end if; +						elsif (tOpcode(7 downto 5)=OpCode_Emulate) then +							tNextState :=State_Emulate; +							if tOpcode(5 downto 0)=OpCode_Neqbranch then +								tNextState :=State_Neqbranch; +							elsif tOpcode(5 downto 0)=OpCode_Eq then +								tNextState :=State_Eq; +							elsif tOpcode(5 downto 0)=OpCode_Lessthan then +								tNextState :=State_Lessthan; +							elsif tOpcode(5 downto 0)=OpCode_Lessthanorequal then +								--tNextState :=State_Lessthanorequal; +							elsif tOpcode(5 downto 0)=OpCode_Ulessthan then +								tNextState :=State_Ulessthan; +							elsif tOpcode(5 downto 0)=OpCode_Ulessthanorequal then +								--tNextState :=State_Ulessthanorequal; +							elsif tOpcode(5 downto 0)=OpCode_Loadb then +								tNextState :=State_Loadb; +							elsif tOpcode(5 downto 0)=OpCode_Mult then +								tNextState :=State_Mult; +							elsif tOpcode(5 downto 0)=OpCode_Storeb then +								tNextState :=State_Storeb; +							elsif tOpcode(5 downto 0)=OpCode_Pushspadd then +								tNextState :=State_Pushspadd; +							elsif tOpcode(5 downto 0)=OpCode_Callpcrel then +								tNextState :=State_Callpcrel; +							elsif tOpcode(5 downto 0)=OpCode_Call then +								--tNextState :=State_Call; +							elsif tOpcode(5 downto 0)=OpCode_Sub then +								tNextState :=State_Sub; +							elsif tOpcode(5 downto 0)=OpCode_PopPCRel then +								--tNextState :=State_PopPCRel; +							end if;								 +						elsif (tOpcode(7 downto 4)=OpCode_AddSP) then +							if tSpOffset = 0 then +								tNextState := State_Shift; +							elsif tSpOffset = 1 then +								tNextState := State_AddTop; +							else +								tNextState :=State_AddSP; +							end if; +						else +							case tOpcode(3 downto 0) is +								when OpCode_Nop => +									tNextState :=State_Nop; +								when OpCode_PushSP => +									tNextState :=State_PushSP; +								when OpCode_PopPC => +									tNextState :=State_PopPC; +								when OpCode_Add => +									tNextState :=State_Add; +								when OpCode_Or => +									tNextState :=State_Or; +								when OpCode_And => +									tNextState :=State_And; +								when OpCode_Load => +									tNextState :=State_Load; +								when OpCode_Not => +									tNextState :=State_Not; +								when OpCode_Flip => +									tNextState :=State_Flip; +								when OpCode_Store => +									tNextState :=State_Store; +								when OpCode_PopSP => +									tNextState :=State_PopSP; +								when others => +									tNextState := State_Break; + +							end case; +						end if; +						tDecodedOpcode(i) := tNextState; +						 +					end loop; +					 +					insn <= tDecodedOpcode(conv_integer(pc(byteBits-1 downto 0))); +					 +					-- once we wrap, we need to fetch +					tDecodedOpcode(0) := State_InsnFetch; + +					decodedOpcode <= tDecodedOpcode; +					state <= State_Execute; +						 + + +					-- Each instruction must: +					-- +					-- 1. set idim_flag +					-- 2. increase pc if applicable +					-- 3. set next state if appliable +					-- 4. do it's operation +					  +				when State_Execute => +					insn <= decodedOpcode(conv_integer(nextPC(byteBits-1 downto 0))); +									 +					case insn is +						when State_InsnFetch => +							state <= State_Fetch; +						when State_Im => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '1'; +								pc <= pc + 1; +								 +								if idim_flag='1' then  +									stackA(wordSize-1 downto 7) <= stackA(wordSize-8 downto 0); +									stackA(6 downto 0) <= opcode(conv_integer(pc(byteBits-1 downto 0)))(6 downto 0); +								else +									out_mem_req <= '1'; +									mem_we <= '1'; +									mem_addr <= incSp; +									mem_write <= stackB; +									stackB <= stackA; +									sp <= decSp; +									for i in wordSize-1 downto 7 loop +										stackA(i) <= opcode(conv_integer(pc(byteBits-1 downto 0)))(6); +									end loop; +									stackA(6 downto 0) <= opcode(conv_integer(pc(byteBits-1 downto 0)))(6 downto 0); +								end if; +							else	 +								insn <= insn; +							end if; +						when State_StoreSP => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_StoreSP2; +								 +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= sp+spOffset; +								mem_write <= stackA; +								stackA <= stackB; +								sp <= incSp; +							else	 +								insn <= insn; +							end if; + +					 +						when State_LoadSP => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_LoadSP2; +		 +								sp <= decSp; +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= incSp; +								mem_write <= stackB; +							else	 +								insn <= insn; +							end if; +						when State_Emulate => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								sp <= decSp; +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= incSp; +								mem_write <= stackB; +								stackA <= (others => DontCareValue); +								stackA(maxAddrBitIncIO downto 0) <= pc + 1; +								stackB <= stackA; +								 +								-- The emulate address is: +								--        98 7654 3210 +								-- 0000 00aa aaa0 0000 +								pc <= (others => '0'); +								pc(9 downto 5) <= opcode(conv_integer(pc(byteBits-1 downto 0)))(4 downto 0); +								state <= State_Fetch; +							else	 +								insn <= insn; +							end if; +						when State_Callpcrel => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								stackA <= (others => DontCareValue); +								stackA(maxAddrBitIncIO downto 0) <= pc + 1; +								 +								pc <= pc + stackA(maxAddrBitIncIO downto 0); +								state <= State_Fetch; +							else	 +								insn <= insn; +							end if; +						when State_Call => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								stackA <= (others => DontCareValue); +								stackA(maxAddrBitIncIO downto 0) <= pc + 1; +								pc <= stackA(maxAddrBitIncIO downto 0); +								state <= State_Fetch; +							else	 +								insn <= insn; +							end if; +						when State_AddSP => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_AddSP2; +								 +								out_mem_req <= '1'; +								mem_addr <= sp+spOffset; +							else	 +								insn <= insn; +							end if; +						when State_PushSP => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= pc + 1; +								 +								sp <= decSp; +								stackA <= (others => '0'); +								stackA(maxAddrBitIncIO downto minAddrBit) <= sp; +								stackB <= stackA; +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= incSp; +								mem_write <= stackB; +							else	 +								insn <= insn; +							end if; +						when State_PopPC => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= stackA(maxAddrBitIncIO downto 0); +								sp <= incSp; +								 +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= incSp; +								mem_write <= stackB; +								state <= State_Resync; +							else	 +								insn <= insn; +							end if; +						when State_PopPCRel => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= stackA(maxAddrBitIncIO downto 0) + pc; +								sp <= incSp; +								 +								out_mem_req <= '1'; +								mem_we <= '1'; +								mem_addr <= incSp; +								mem_write <= stackB; +								state <= State_Resync; +							else	 +								insn <= insn; +							end if; +						when State_Add => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								stackA <= stackA + stackB; +								 +								out_mem_req <= '1'; +								mem_addr <= incIncSp; +								sp <= incSp; +								state <= State_Popped; +							else	 +								insn <= insn; +							end if; +						when State_Sub => +							begin_inst <= '1'; +							idim_flag <= '0'; +							binaryOpResult <= stackB - stackA; +							state <= State_BinaryOpResult; +						when State_Pop => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								mem_addr <= incIncSp; +								out_mem_req <= '1'; +								sp <= incSp; +								stackA <= stackB; +								state <= State_Popped;						 +							else	 +								insn <= insn; +							end if; +						when State_PopDown => +							if mem_busy='0' then +								-- PopDown leaves top of stack unchanged +								begin_inst <= '1'; +								idim_flag <= '0'; +								mem_addr <= incIncSp; +								out_mem_req <= '1'; +								sp <= incSp; +								state <= State_Popped;						 +							else	 +								insn <= insn; +							end if; +						when State_Or => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								stackA <= stackA or stackB; +								out_mem_req <= '1'; +								mem_addr <= incIncSp; +								sp <= incSp; +								state <= State_Popped; +							else	 +								insn <= insn; +							end if; +						when State_And => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +		 +								stackA <= stackA and stackB; +								out_mem_req <= '1'; +								mem_addr <= incIncSp; +								sp <= incSp; +								state <= State_Popped; +							else	 +								insn <= insn; +							end if; +						when State_Eq => +							begin_inst <= '1'; +							idim_flag <= '0'; +	 +		            		binaryOpResult <= (others => '0'); +		                	if (stackA=stackB) then +		                		binaryOpResult(0) <= '1'; +		                	end if; +							state <= State_BinaryOpResult; +		                when State_Ulessthan => +							begin_inst <= '1'; +							idim_flag <= '0'; +	 +		            		binaryOpResult <= (others => '0'); +		                	if (stackA<stackB) then +		                		binaryOpResult(0) <= '1'; +		                	end if; +							state <= State_BinaryOpResult; +		                when State_Ulessthanorequal => +							begin_inst <= '1'; +							idim_flag <= '0'; +	 +		            		binaryOpResult <= (others => '0'); +		                	if (stackA<=stackB) then +		                		binaryOpResult(0) <= '1'; +		                	end if; +							state <= State_BinaryOpResult; +		                when State_Lessthan => +							begin_inst <= '1'; +							idim_flag <= '0'; +	 +		            		binaryOpResult <= (others => '0'); +		                	if (signed(stackA)<signed(stackB)) then +		                		binaryOpResult(0) <= '1'; +		                	end if; +							state <= State_BinaryOpResult; +		                when State_Lessthanorequal => +							begin_inst <= '1'; +							idim_flag <= '0'; +	 +		            		binaryOpResult <= (others => '0'); +		                	if (signed(stackA)<=signed(stackB)) then +		                		binaryOpResult(0) <= '1'; +		                	end if; +							state <= State_BinaryOpResult; +						when State_Load => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_Load2; +								 +								mem_addr <= stackA(maxAddrBitIncIO downto minAddrBit); +								out_mem_req <= '1'; +							else	 +								insn <= insn; +							end if; + +						when State_Dup => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= pc + 1;  +								 +								sp <= decSp; +								stackB <= stackA; +								mem_write <= stackB; +								mem_addr <= incSp; +								out_mem_req <= '1'; +								mem_we <= '1'; +							else	 +								insn <= insn; +							end if; +						when State_DupStackB => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= pc + 1;  +								 +								sp <= decSp; +								stackA <= stackB; +								stackB <= stackA; +								mem_write <= stackB; +								mem_addr <= incSp; +								out_mem_req <= '1'; +								mem_we <= '1'; +							else	 +								insn <= insn; +							end if; +						when State_Store => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= pc + 1; +								mem_addr <= stackA(maxAddrBitIncIO downto minAddrBit); +								mem_write <= stackB; +								out_mem_req <= '1'; +								mem_we <= '1'; +								sp <= incIncSp; +								state <= State_Resync; +							else	 +								insn <= insn; +							end if; +						when State_PopSP => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								pc <= pc + 1; +								 +								mem_write <= stackB; +								mem_addr <= incSp; +								out_mem_req <= '1'; +								mem_we <= '1'; +								sp <= stackA(maxAddrBitIncIO downto minAddrBit); +								state <= State_Resync; +							else	 +								insn <= insn; +							end if; +						when State_Nop =>	 +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1; +						when State_Not => +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1;  +							 +							stackA <= not stackA; +						when State_Flip => +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1;  +							 +							for i in 0 to wordSize-1 loop +								stackA(i) <= stackA(wordSize-1-i); +				  			end loop; +						when State_AddTop => +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1;  +							 +							stackA <= stackA + stackB; +						when State_Shift => +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1;  +							 +							stackA(wordSize-1 downto 1) <= stackA(wordSize-2 downto 0); +							stackA(0) <= '0'; +						when State_Pushspadd => +							begin_inst <= '1'; +							idim_flag <= '0'; +							pc <= pc + 1;  +							 +							stackA <= (others => '0'); +							stackA(maxAddrBitIncIO downto minAddrBit) <= stackA(maxAddrBitIncIO-minAddrBit downto 0)+sp; +						when State_Neqbranch => +							-- branches are almost always taken as they form loops +							begin_inst <= '1'; +							idim_flag <= '0'; +							sp <= incIncSp; +		                	if (stackB/=0) then +		                		pc <= stackA(maxAddrBitIncIO downto 0) + pc; +		                	else +		                		pc <= pc + 1; +		                	end if;		 +		                	-- need to fetch stack again.				 +							state <= State_Resync; +		                when State_Mult => +							begin_inst <= '1'; +							idim_flag <= '0'; +		 +							multA <= stackA; +							multB <= stackB; +							state <= State_Mult2; +						when State_Break => +							report "Break instruction encountered" severity failure; +							break <= '1'; + +						when State_Loadb => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_Loadb2; +								 +								mem_addr <= stackA(maxAddrBitIncIO downto minAddrBit); +								out_mem_req <= '1'; +							else	 +								insn <= insn; +							end if; +						when State_Storeb => +							if mem_busy='0' then +								begin_inst <= '1'; +								idim_flag <= '0'; +								state <= State_Storeb2; +								 +								mem_addr <= stackA(maxAddrBitIncIO downto minAddrBit); +								out_mem_req <= '1'; +							else	 +								insn <= insn; +							end if; +				 +						when others => +--							sp <= (others => DontCareValue); +							report "Illegal instruction" severity failure; +							break <= '1'; +					end case; + + +				when State_StoreSP2 => +					if mem_busy='0' then +						mem_addr <= incSp; +						out_mem_req <= '1'; +						state <= State_Popped; +					end if; +				when State_LoadSP2 => +					if mem_busy='0' then +						state <= State_LoadSP3; +						out_mem_req <= '1'; +						mem_addr <= sp+spOffset+1; +					end if; +				when State_LoadSP3 => +					if mem_busy='0' then +						pc <= pc + 1; +						state <= State_Execute; +						stackB <= stackA; +						stackA <= mem_read; +					end if; +				when State_AddSP2 => +					if mem_busy='0' then +						pc <= pc + 1; +						state <= State_Execute; +						stackA <= stackA + mem_read; +					end if; +				when State_Load2 => +					if mem_busy='0' then +						stackA <= mem_read; +						pc <= pc + 1; +						state <= State_Execute; +					end if; +				when State_Loadb2 => +					if mem_busy='0' then +						stackA <= (others => '0'); +						stackA(7 downto 0) <= mem_read(((wordBytes-1-conv_integer(stackA(byteBits-1 downto 0)))*8+7) downto (wordBytes-1-conv_integer(stackA(byteBits-1 downto 0)))*8); +						pc <= pc + 1; +						state <= State_Execute; +					end if; +				when State_Storeb2 => +					if mem_busy='0' then +						mem_addr <= stackA(maxAddrBitIncIO downto minAddrBit); +						mem_write <= mem_read; +						mem_write(((wordBytes-1-conv_integer(stackA(byteBits-1 downto 0)))*8+7) downto (wordBytes-1-conv_integer(stackA(byteBits-1 downto 0)))*8) <= stackB(7 downto 0) ; +						out_mem_req <= '1'; +						mem_we <= '1'; +						pc <= pc + 1; +						sp <= incIncSp; +						state <= State_Resync; +					end if; +				when State_Fetch => +					if mem_busy='0' then +						if interrupt='1' and inInterrupt='0' and idim_flag='0' then +							-- We got an interrupt +							inInterrupt <= '1'; +							 +							sp <= decSp; +							out_mem_req <= '1'; +							mem_we <= '1'; +							mem_addr <= incSp; +							mem_write <= stackB; +							stackA <= (others => DontCareValue); +							stackA(maxAddrBitIncIO downto 0) <= pc; +							stackB <= stackA; +							 +							pc <= conv_std_logic_vector(32, maxAddrBitIncIo+1); -- interrupt address +							 +			  				report "ZPU jumped to interrupt!" severity note; +						else +							mem_addr <= pc(maxAddrBitIncIO downto minAddrBit); +							out_mem_req <= '1'; +							state <= State_Decode; +						end if; +					end if; +                when State_Mult2 => +					state <= State_Mult3; +                when State_Mult3 => +					state <= State_Mult4; +                when State_Mult4 => +					state <= State_Mult5; +                when State_Mult5 => +            		stackA <= multResult3; +                	state <= State_Mult6; +                when State_Mult6 => +					if mem_busy='0' then +						out_mem_req <= '1'; +						mem_addr <= incIncSp; +						sp <= incSp; +						state <= State_Popped; +					end if; +				when State_BinaryOpResult => +					if mem_busy='0' then +						-- NB!!!! we know that the memory isn't busy at this point!!!! +						out_mem_req <= '1'; +						mem_addr <= incIncSp; +						sp <= incSp; +						stackA <= binaryOpResult; +						state <= State_Popped; +					end if; +				when State_Popped => +					if mem_busy='0' then +						pc <= pc + 1; +						stackB <= mem_read; +						state <= State_Execute; +					end if; +				when others =>	 +--					sp <= (others => DontCareValue); +					report "Illegal state" severity failure; +					break <= '1'; +			end case; +		end if; +	end process; + + + +end behave; diff --git a/fpga/usrp2/opencores/zpu/core/zpupkg.vhd b/fpga/usrp2/opencores/zpu/core/zpupkg.vhd new file mode 100644 index 000000000..eee967a09 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/core/zpupkg.vhd @@ -0,0 +1,169 @@ +library IEEE;
 +use IEEE.STD_LOGIC_1164.all;
 +use IEEE.STD_LOGIC_ARITH.all;
 +
 +library work;
 +use work.zpu_config.all;
 +
 +package zpupkg is
 +
 +	-- This bit is set for read/writes to IO
 +	-- FIX!!! eventually this should be set to wordSize-1 so as to
 +	-- to make the address of IO independent of amount of memory
 +	-- reserved for CPU. Requires trivial tweaks in toolchain/runtime
 +	-- libraries.
 +	
 +	constant byteBits			: integer := wordPower-3; -- # of bits in a word that addresses bytes
 +	constant maxAddrBit			: integer := maxAddrBitIncIO-1;
 +	constant ioBit				: integer := maxAddrBit+1;
 +	constant wordSize			: integer := 2**wordPower;
 +	constant wordBytes			: integer := wordSize/8;
 +	constant minAddrBit			: integer := byteBits;
 +	-- configurable internal stack size. Probably going to be 16 after toolchain is done
 +	constant	stack_bits		: integer := 5; 
 +	constant	stack_size		: integer := 2**stack_bits; 
 +
 +	component dualport_ram is
 +	port (clk : in std_logic;
 +		memAWriteEnable : in std_logic;
 +		memAAddr : in std_logic_vector(maxAddrBit downto minAddrBit);
 +		memAWrite : in std_logic_vector(wordSize-1 downto 0);
 +		memARead : out std_logic_vector(wordSize-1 downto 0);
 +		memBWriteEnable : in std_logic;
 +		memBAddr : in std_logic_vector(maxAddrBit downto minAddrBit);
 +		memBWrite : in std_logic_vector(wordSize-1 downto 0);
 +		memBRead : out std_logic_vector(wordSize-1 downto 0));
 +	end component;
 +
 +	component dram is
 +		port (clk : in std_logic;
 +			areset : in std_logic;
 +			mem_writeEnable : in std_logic;
 +			mem_readEnable : in std_logic;
 +			mem_addr : in std_logic_vector(maxAddrBit downto 0);
 +			mem_write : in std_logic_vector(wordSize-1 downto 0);
 +			mem_read : out std_logic_vector(wordSize-1 downto 0);
 +			mem_busy : out std_logic;
 +			mem_writeMask : in std_logic_vector(wordBytes-1 downto 0));
 +	end component;
 +
 +
 +	component trace is
 +	  port(
 +	       	clk         : in std_logic;
 +	       	begin_inst  : in std_logic;
 +	       	pc          : in std_logic_vector(maxAddrBitIncIO downto 0);
 +			opcode		: in std_logic_vector(7 downto 0);
 +			sp			: in std_logic_vector(maxAddrBitIncIO downto minAddrBit);
 +			memA		: in std_logic_vector(wordSize-1 downto 0);
 +			memB		: in std_logic_vector(wordSize-1 downto 0);
 +			busy         : in std_logic;
 +			intSp		: in std_logic_vector(stack_bits-1 downto 0)
 +			);
 +	end component;
 +
 +	component zpu_core is
 +    port ( clk : in std_logic;
 +	 		  areset : in std_logic;
 +	 		  enable : in std_logic; 
 +	 		  mem_req : out std_logic;
 +	 		  mem_we : out std_logic;
 +	 		  mem_ack : in std_logic; 
 +	 		  mem_read : in std_logic_vector(wordSize-1 downto 0);
 +	 		  mem_write : out std_logic_vector(wordSize-1 downto 0);
 +			  out_mem_addr : out std_logic_vector(maxAddrBitIncIO downto 0);
 +	 		  mem_writeMask: out std_logic_vector(wordBytes-1 downto 0);
 +			  stack_start : in std_logic_vector(maxAddrBitIncIO downto 0);
 +	 		  interrupt : in std_logic;
 +	 		  break : out std_logic;
 +	 		  zpu_status : out std_logic_vector(63 downto 0));
 +	end component;
 +
 +
 +	
 +	component timer is
 +  	port(
 +       	clk             : in std_logic;
 +		areset			: in std_logic;
 +		sample			: in std_logic;
 +		reset			: in std_logic;
 +		counter			: out std_logic_vector(63 downto 0));
 +	end component;
 +
 +	component  zpuio is
 +		port (	areset			: in std_logic;
 +				cpu_clk			: in std_logic;
 +				clk_status		: in std_logic_vector(2 downto 0);
 +				cpu_din			: in std_logic_vector(15 downto 0);
 +				cpu_a			: in std_logic_vector(20 downto 0);
 +				cpu_we			: in std_logic_vector(1 downto 0);
 +				cpu_re			: in std_logic;
 +				cpu_dout		: inout std_logic_vector(15 downto 0));
 +	end component;
 +
 +
 +
 +	
 +	-- opcode decode constants
 +	constant	OpCode_Im		: std_logic_vector(7 downto 7) := "1";
 +	constant	OpCode_StoreSP	: std_logic_vector(7 downto 5) := "010";
 +	constant	OpCode_LoadSP	: std_logic_vector(7 downto 5) := "011";
 +	constant	OpCode_Emulate	: std_logic_vector(7 downto 5) := "001";
 +	constant	OpCode_AddSP	: std_logic_vector(7 downto 4) := "0001";
 +	constant	OpCode_Short	: std_logic_vector(7 downto 4) := "0000";
 +	
 +	constant	OpCode_Break	: std_logic_vector(3 downto 0) := "0000";
 +	constant	OpCode_Shiftleft: std_logic_vector(3 downto 0) := "0001";
 +	constant	OpCode_PushSP	: std_logic_vector(3 downto 0) := "0010";
 +	constant	OpCode_PushInt	: std_logic_vector(3 downto 0) := "0011";
 +	
 +	constant	OpCode_PopPC	: std_logic_vector(3 downto 0) := "0100";
 +	constant	OpCode_Add		: std_logic_vector(3 downto 0) := "0101";
 +	constant	OpCode_And		: std_logic_vector(3 downto 0) := "0110";
 +	constant	OpCode_Or		: std_logic_vector(3 downto 0) := "0111";
 +	
 +	constant	OpCode_Load		: std_logic_vector(3 downto 0) := "1000";
 +	constant	OpCode_Not		: std_logic_vector(3 downto 0) := "1001";
 +	constant	OpCode_Flip		: std_logic_vector(3 downto 0) := "1010";
 +	constant	OpCode_Nop		: std_logic_vector(3 downto 0) := "1011";
 +	
 +	constant	OpCode_Store	: std_logic_vector(3 downto 0) := "1100";
 +	constant	OpCode_PopSP	: std_logic_vector(3 downto 0) := "1101";
 +	constant	OpCode_Compare	: std_logic_vector(3 downto 0) := "1110";
 +	constant	OpCode_PopInt	: std_logic_vector(3 downto 0) := "1111";
 +	
 +	constant	OpCode_Lessthan				: std_logic_vector(5 downto 0) := conv_std_logic_vector(36, 6);
 +	constant	OpCode_Lessthanorequal		: std_logic_vector(5 downto 0) := conv_std_logic_vector(37, 6);
 +	constant	OpCode_Ulessthan			: std_logic_vector(5 downto 0) := conv_std_logic_vector(38, 6);
 +	constant	OpCode_Ulessthanorequal		: std_logic_vector(5 downto 0) := conv_std_logic_vector(39, 6);
 +
 +	constant	OpCode_Swap					: std_logic_vector(5 downto 0) := conv_std_logic_vector(40, 6);
 +	constant	OpCode_Mult					: std_logic_vector(5 downto 0) := conv_std_logic_vector(41, 6);
 +	
 +	constant	OpCode_Lshiftright			: std_logic_vector(5 downto 0) := conv_std_logic_vector(42, 6);
 +	constant	OpCode_Ashiftleft			: std_logic_vector(5 downto 0) := conv_std_logic_vector(43, 6);
 +	constant	OpCode_Ashiftright			: std_logic_vector(5 downto 0) := conv_std_logic_vector(44, 6);
 +	constant	OpCode_Call					: std_logic_vector(5 downto 0) := conv_std_logic_vector(45, 6);
 +
 +	constant	OpCode_Eq					: std_logic_vector(5 downto 0) := conv_std_logic_vector(46, 6);
 +	constant	OpCode_Neq					: std_logic_vector(5 downto 0) := conv_std_logic_vector(47, 6);
 +
 +	constant	OpCode_Sub					: std_logic_vector(5 downto 0) := conv_std_logic_vector(49, 6);
 +	constant	OpCode_Loadb				: std_logic_vector(5 downto 0) := conv_std_logic_vector(51, 6);
 +	constant	OpCode_Storeb				: std_logic_vector(5 downto 0) := conv_std_logic_vector(52, 6);
 +
 +	constant	OpCode_Eqbranch				: std_logic_vector(5 downto 0) := conv_std_logic_vector(55, 6);
 +	constant	OpCode_Neqbranch			: std_logic_vector(5 downto 0) := conv_std_logic_vector(56, 6);
 +	constant	OpCode_Poppcrel				: std_logic_vector(5 downto 0) := conv_std_logic_vector(57, 6);
 +
 +	constant	OpCode_Pushspadd			: std_logic_vector(5 downto 0) := conv_std_logic_vector(61, 6);
 +	constant	OpCode_Mult16x16			: std_logic_vector(5 downto 0) := conv_std_logic_vector(62, 6);
 +	constant	OpCode_Callpcrel			: std_logic_vector(5 downto 0) := conv_std_logic_vector(63, 6);
 +	
 +
 +
 +	constant OpCode_Size		: integer := 8;
 +
 +
 +		
 +end zpupkg;
 diff --git a/fpga/usrp2/opencores/zpu/wishbone/wishbone_pkg.vhd b/fpga/usrp2/opencores/zpu/wishbone/wishbone_pkg.vhd new file mode 100644 index 000000000..375c9ac7e --- /dev/null +++ b/fpga/usrp2/opencores/zpu/wishbone/wishbone_pkg.vhd @@ -0,0 +1,86 @@ +-- ZPU
 +--
 +-- Copyright 2004-2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
 +-- 
 +-- The FreeBSD license
 +-- 
 +-- Redistribution and use in source and binary forms, with or without
 +-- modification, are permitted provided that the following conditions
 +-- are met:
 +-- 
 +-- 1. Redistributions of source code must retain the above copyright
 +--    notice, this list of conditions and the following disclaimer.
 +-- 2. Redistributions in binary form must reproduce the above
 +--    copyright notice, this list of conditions and the following
 +--    disclaimer in the documentation and/or other materials
 +--    provided with the distribution.
 +-- 
 +-- THIS SOFTWARE IS PROVIDED BY THE ZPU PROJECT ``AS IS'' AND ANY
 +-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 +-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 +-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 +-- ZPU PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 +-- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 +-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 +-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 +-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 +-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 +-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 +-- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 +-- 
 +-- The views and conclusions contained in the software and documentation
 +-- are those of the authors and should not be interpreted as representing
 +-- official policies, either expressed or implied, of the ZPU Project.
 +
 +library IEEE;
 +use IEEE.STD_LOGIC_1164.all;
 +use IEEE.STD_LOGIC_UNSIGNED.ALL;
 +
 +package wishbone_pkg is
 +
 +	type wishbone_bus_in is record
 +		adr			: std_logic_vector(15 downto 0); 
 +		sel			: std_logic_vector(3 downto 0); 
 +		we			: std_logic;
 +		dat			: std_logic_vector(31 downto 0); 	-- Note! Data written with 'we'
 +		cyc			: std_logic; 
 +		stb			: std_logic;
 +	end record;
 +
 +	type wishbone_bus_out is record
 +		dat		: std_logic_vector(31 downto 0);
 +		ack			: std_logic;
 +	end record;
 +	
 +	type wishbone_bus is record
 +		insig		: wishbone_bus_in;
 +		outsig  	: wishbone_bus_out;
 +	end record;
 +
 +	component atomic32_access is
 +	port (	cpu_clk			: in std_logic;
 +			areset			: in std_logic;
 +	
 +			-- Wishbone from CPU interface
 +			wb_16_i			: in wishbone_bus_in;
 +			wb_16_o     	: out wishbone_bus_out;
 +			-- Wishbone to FPGA registers and ethernet core
 +			wb_32_i			: in wishbone_bus_out;
 +			wb_32_o			: out wishbone_bus_in);
 +	end component;
 +	
 +	component eth_access_corr is
 +	port (	cpu_clk			: in std_logic;
 +			areset			: in std_logic;
 +	
 +			-- Wishbone from Wishbone MUX
 +			eth_raw_o		: out wishbone_bus_out;
 +			eth_raw_i		: in wishbone_bus_in;
 +			
 +			-- Wishbone ethernet core
 +			eth_slave_i 	: in wishbone_bus_out;
 +			eth_slave_o		: out wishbone_bus_in);
 +	end component;
 +
 +
 +end wishbone_pkg;
 diff --git a/fpga/usrp2/opencores/zpu/wishbone/zpu_system.vhd b/fpga/usrp2/opencores/zpu/wishbone/zpu_system.vhd new file mode 100644 index 000000000..8af678b6a --- /dev/null +++ b/fpga/usrp2/opencores/zpu/wishbone/zpu_system.vhd @@ -0,0 +1,106 @@ +-- ZPU
 +--
 +-- Copyright 2004-2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
 +-- 
 +-- The FreeBSD license
 +-- 
 +-- Redistribution and use in source and binary forms, with or without
 +-- modification, are permitted provided that the following conditions
 +-- are met:
 +-- 
 +-- 1. Redistributions of source code must retain the above copyright
 +--    notice, this list of conditions and the following disclaimer.
 +-- 2. Redistributions in binary form must reproduce the above
 +--    copyright notice, this list of conditions and the following
 +--    disclaimer in the documentation and/or other materials
 +--    provided with the distribution.
 +-- 
 +-- THIS SOFTWARE IS PROVIDED BY THE ZPU PROJECT ``AS IS'' AND ANY
 +-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 +-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 +-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 +-- ZPU PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 +-- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 +-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 +-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 +-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 +-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 +-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 +-- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 +-- 
 +-- The views and conclusions contained in the software and documentation
 +-- are those of the authors and should not be interpreted as representing
 +-- official policies, either expressed or implied, of the ZPU Project.
 +
 +library IEEE;
 +use IEEE.STD_LOGIC_1164.all;
 +use IEEE.STD_LOGIC_UNSIGNED.all; 
 +
 +library work;
 +use work.zpu_top_pkg.all;
 +use work.wishbone_pkg.all;
 +use work.zpupkg.all;
 +use work.zpu_config.all;
 +
 +entity zpu_system is
 +	generic(
 +			simulate		: boolean := false);
 +	port (	areset			: in std_logic;
 +			cpu_clk			: in std_logic;
 +
 +			-- ZPU Control signals
 +			enable			: in std_logic;
 +			interrupt		: in std_logic;
 +			stack_start		: in std_logic_vector(maxAddrBitIncIO downto 0);
 +			zpu_status		: out std_logic_vector(63 downto 0);
 +
 +			-- wishbone interfaces
 +			zpu_wb_i		: in wishbone_bus_out;
 +			zpu_wb_o		: out wishbone_bus_in);
 +end zpu_system;
 +
 +architecture behave of zpu_system is
 +
 +signal	mem_req					: std_logic;
 +signal	mem_we 					: std_logic;
 +signal	mem_ack 				: std_logic; 
 +signal	mem_read 				: std_logic_vector(wordSize-1 downto 0);
 +signal	mem_write 				: std_logic_vector(wordSize-1 downto 0);
 +signal	out_mem_addr 			: std_logic_vector(maxAddrBitIncIO downto 0);
 +signal	mem_writeMask			: std_logic_vector(wordBytes-1 downto 0);
 +
 +
 +begin
 +
 +	my_zpu_core:
 +	zpu_core port map (
 +    	clk 				=> cpu_clk, 
 +		areset 				=> areset,
 +	 	enable 				=> enable,
 +	  	mem_req 			=> mem_req,
 +	 	mem_we 				=> mem_we,
 +	 	mem_ack 			=> mem_ack, 
 +	 	mem_read 			=> mem_read,
 +	 	mem_write 			=> mem_write,
 +		out_mem_addr 		=> out_mem_addr,
 +	 	mem_writeMask		=> mem_writeMask,
 +	 	stack_start			=> stack_start,
 +	 	interrupt			=> interrupt,
 +	 	zpu_status			=> zpu_status,
 +	 	break				=> open);
 +
 +	my_zpu_wb_bridge:
 +	zpu_wb_bridge port map (
 +		clk 				=> cpu_clk,
 +	 	areset 				=> areset,
 +	  	mem_req 			=> mem_req,
 +	 	mem_we 				=> mem_we,
 +	 	mem_ack 			=> mem_ack, 
 +	 	mem_read 			=> mem_read,
 +	 	mem_write 			=> mem_write,
 +		out_mem_addr 		=> out_mem_addr,
 +	 	mem_writeMask		=> mem_writeMask,
 +		zpu_wb_i			=> zpu_wb_i,
 +		zpu_wb_o			=> zpu_wb_o);
 +
 +end behave;
 diff --git a/fpga/usrp2/opencores/zpu/wishbone/zpu_wb_bridge.vhd b/fpga/usrp2/opencores/zpu/wishbone/zpu_wb_bridge.vhd new file mode 100644 index 000000000..104ee10b8 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/wishbone/zpu_wb_bridge.vhd @@ -0,0 +1,83 @@ +-- ZPU
 +--
 +-- Copyright 2004-2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
 +-- 
 +-- The FreeBSD license
 +-- 
 +-- Redistribution and use in source and binary forms, with or without
 +-- modification, are permitted provided that the following conditions
 +-- are met:
 +-- 
 +-- 1. Redistributions of source code must retain the above copyright
 +--    notice, this list of conditions and the following disclaimer.
 +-- 2. Redistributions in binary form must reproduce the above
 +--    copyright notice, this list of conditions and the following
 +--    disclaimer in the documentation and/or other materials
 +--    provided with the distribution.
 +-- 
 +-- THIS SOFTWARE IS PROVIDED BY THE ZPU PROJECT ``AS IS'' AND ANY
 +-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 +-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 +-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 +-- ZPU PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 +-- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 +-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 +-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 +-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 +-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 +-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 +-- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 +-- 
 +-- The views and conclusions contained in the software and documentation
 +-- are those of the authors and should not be interpreted as representing
 +-- official policies, either expressed or implied, of the ZPU Project.
 +
 +library IEEE;
 +use IEEE.STD_LOGIC_1164.ALL;
 +use IEEE.STD_LOGIC_UNSIGNED.ALL;
 +
 +library work;
 +use work.zpu_top_pkg.all;
 +use work.wishbone_pkg.all;
 +use work.zpupkg.all;
 +use work.zpu_config.all;
 +
 +entity zpu_wb_bridge is
 +	port (	-- Native ZPU interface
 + 			clk 				: in std_logic;
 +	 		areset 				: in std_logic;
 +
 +	 		mem_req 			: in std_logic;
 +	 		mem_we				: in std_logic;
 +	 		mem_ack				: out std_logic; 
 +	 		mem_read 			: out std_logic_vector(wordSize-1 downto 0);
 +	 		mem_write 			: in std_logic_vector(wordSize-1 downto 0);
 +			out_mem_addr 		: in std_logic_vector(maxAddrBitIncIO downto 0);
 +	 		mem_writeMask		: in std_logic_vector(wordBytes-1 downto 0);
 +			
 +			-- Wishbone from ZPU
 +			zpu_wb_i			: in wishbone_bus_out;
 +			zpu_wb_o			: out wishbone_bus_in);
 +
 +end zpu_wb_bridge;
 +
 +architecture behave of zpu_wb_bridge is
 +
 +begin
 +
 +	mem_read <= zpu_wb_i.dat;
 +	mem_ack <= zpu_wb_i.ack;
 +	
 +	zpu_wb_o.adr <= out_mem_addr;
 +	zpu_wb_o.dat <= mem_write;
 +	zpu_wb_o.sel <= mem_writeMask;
 +	zpu_wb_o.stb <= mem_req;
 +	zpu_wb_o.cyc <= mem_req;
 +	zpu_wb_o.we <= mem_we;
 +
 +end behave;
 +
 +			
 +
 +	
 +
 diff --git a/fpga/usrp2/opencores/zpu/zpu_top_pkg.vhd b/fpga/usrp2/opencores/zpu/zpu_top_pkg.vhd new file mode 100644 index 000000000..a158ab9c0 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/zpu_top_pkg.vhd @@ -0,0 +1,46 @@ +library IEEE; +use IEEE.STD_LOGIC_1164.ALL; +use IEEE.STD_LOGIC_UNSIGNED.ALL; + +library work; +use work.zpupkg.all; +use work.zpu_config.all; +use work.wishbone_pkg.all; + +package zpu_top_pkg is +    component zpu_wb_bridge is +    port (	-- Native ZPU interface +            clk 				: in std_logic; +            areset 				: in std_logic; + +            mem_req 			: in std_logic; +            mem_we				: in std_logic; +            mem_ack				: out std_logic;  +            mem_read 			: out std_logic_vector(wordSize-1 downto 0); +            mem_write 			: in std_logic_vector(wordSize-1 downto 0); +            out_mem_addr 		: in std_logic_vector(maxAddrBitIncIO downto 0); +            mem_writeMask		: in std_logic_vector(wordBytes-1 downto 0); +             +            -- Wishbone from ZPU +            zpu_wb_i			: in wishbone_bus_out; +            zpu_wb_o			: out wishbone_bus_in); +    end component; + +    component zpu_system is +    generic( +            simulate		: boolean := false); +    port (	areset			: in std_logic; +            cpu_clk			: in std_logic; + +            -- ZPU Control signals +            enable			: in std_logic; +            interrupt		: in std_logic; +            stack_start		: in std_logic_vector(maxAddrBitIncIO downto 0); +            zpu_status		: out std_logic_vector(63 downto 0); + +            -- wishbone interfaces +            zpu_wb_i		: in wishbone_bus_out; +            zpu_wb_o		: out wishbone_bus_in); +    end component; + +end zpu_top_pkg; diff --git a/fpga/usrp2/opencores/zpu/zpu_wb_top.vhd b/fpga/usrp2/opencores/zpu/zpu_wb_top.vhd new file mode 100644 index 000000000..9735c4b54 --- /dev/null +++ b/fpga/usrp2/opencores/zpu/zpu_wb_top.vhd @@ -0,0 +1,76 @@ +library IEEE; +use IEEE.STD_LOGIC_1164.ALL; +use IEEE.STD_LOGIC_UNSIGNED.ALL; + +library work; +use work.zpu_top_pkg.all; +use work.wishbone_pkg.all; +use work.zpupkg.all; +use work.zpu_config.all; + +------------------------------------------------------------------------ +-- Top level ZPU + wishbone componenent to use in a verilog design: +--   zpu_wb_top wraps around the zpu_system component. +--   All IO lines are exposed as std_logic for verilog. +------------------------------------------------------------------------ +entity zpu_wb_top is +    generic ( +        dat_w: integer := 32; +        adr_w: integer := 16; +        sel_w: integer := 4 +    ); +    port ( +        clk: in std_logic; +        rst: in std_logic; +        enb: in std_logic; + +        -- wishbone interface +        dat_i: in std_logic_vector(dat_w-1 downto 0); +        ack_i: in std_logic; +        adr_o: out std_logic_vector(adr_w-1 downto 0); +        sel_o: out std_logic_vector(sel_w-1 downto 0); +        we_o: out std_logic; +        dat_o: out std_logic_vector(dat_w-1 downto 0); +        cyc_o: out std_logic; +        stb_o: out std_logic; + +        -- misc zpu signals +        interrupt: in std_logic; +        stack_start: in std_logic_vector(adr_w-1 downto 0); +        zpu_status: out std_logic_vector(63 downto 0) +    ); + +end zpu_wb_top; + +architecture syn of zpu_wb_top is + +--wishbone interface (records) +signal zpu_wb_i: wishbone_bus_out; +signal zpu_wb_o: wishbone_bus_in; + +begin + +--assign wishbone signals to records +zpu_wb_i.dat <= dat_i; +zpu_wb_i.ack <= ack_i; + +adr_o <= zpu_wb_o.adr; +sel_o <= zpu_wb_o.sel; +we_o <= zpu_wb_o.we; +dat_o <= zpu_wb_o.dat; +cyc_o <= zpu_wb_o.cyc; +stb_o <= zpu_wb_o.stb; + +--instantiate the zpu system +zpu_system0: zpu_system port map( +    cpu_clk => clk, +    areset => rst, +    enable => enb, +    interrupt => interrupt, +    stack_start => stack_start, +    zpu_status => zpu_status, +    zpu_wb_i => zpu_wb_i, +    zpu_wb_o => zpu_wb_o +); + +end architecture syn; diff --git a/fpga/usrp2/simple_gemac/Makefile.srcs b/fpga/usrp2/simple_gemac/Makefile.srcs index 6480cd5a4..b82e64208 100644 --- a/fpga/usrp2/simple_gemac/Makefile.srcs +++ b/fpga/usrp2/simple_gemac/Makefile.srcs @@ -17,6 +17,7 @@ delay_line.v \  flow_ctrl_tx.v \  flow_ctrl_rx.v \  address_filter.v \ +address_filter_promisc.v \  ll8_to_txmac.v \  rxmac_to_ll8.v \  miim/eth_miim.v \ diff --git a/fpga/usrp2/simple_gemac/address_filter_promisc.v b/fpga/usrp2/simple_gemac/address_filter_promisc.v new file mode 100644 index 000000000..6047e7c93 --- /dev/null +++ b/fpga/usrp2/simple_gemac/address_filter_promisc.v @@ -0,0 +1,32 @@ + + +module address_filter_promisc +  (input clk, +   input reset, +   input go, +   input [7:0] data, +   output match, +   output done); + +   reg [2:0] af_state; + +   always @(posedge clk) +     if(reset) +       af_state     <= 0; +     else +       if(go) +	 af_state <= (data[0] == 1'b0) ? 1 : 7; +       else +	 case(af_state) +	   1 : af_state <= 2; +	   2 : af_state <= 3; +	   3 : af_state <= 4; +	   4 : af_state <= 5; +	   5 : af_state <= 6; +	   6, 7 : af_state <= 0; +	 endcase // case (af_state) + +   assign match  = (af_state==6); +   assign done 	 = (af_state==6)|(af_state==7); +    +endmodule // address_filter_promisc diff --git a/fpga/usrp2/simple_gemac/eth_tasks_f36.v b/fpga/usrp2/simple_gemac/eth_tasks_f36.v index efd72778b..dc64971d4 100644 --- a/fpga/usrp2/simple_gemac/eth_tasks_f36.v +++ b/fpga/usrp2/simple_gemac/eth_tasks_f36.v @@ -4,11 +4,11 @@ task SendFlowCtrl;     input [15:0] fc_len;     begin        $display("Sending Flow Control, quanta = %d, time = %d", fc_len,$time); -      pause_time <= fc_len; +      //pause_time <= fc_len;        @(posedge eth_clk); -      pause_req <= 1; +      //pause_req <= 1;        @(posedge eth_clk); -      pause_req <= 0; +      //pause_req <= 0;        $display("Sent Flow Control");     end  endtask // SendFlowCtrl diff --git a/fpga/usrp2/simple_gemac/simple_gemac_rx.v b/fpga/usrp2/simple_gemac/simple_gemac_rx.v index b02bb0758..32f517bb3 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_rx.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_rx.v @@ -56,10 +56,10 @@ module simple_gemac_rx       else         rx_ack <= (rx_state == RX_GOODFRAME); -   wire is_ucast, is_bcast, is_mcast, is_pause; -   wire keep_packet  = (pass_ucast & is_ucast) | (pass_mcast & is_mcast) |  -	(pass_bcast & is_bcast) | (pass_pause & is_pause) | pass_all; -    +   wire is_ucast, is_bcast, is_mcast, is_pause, is_any_ucast; +   wire keep_packet  = (pass_all & is_any_ucast) | (pass_ucast & is_ucast) | (pass_mcast & is_mcast) |  +	(pass_bcast & is_bcast) | (pass_pause & is_pause); +           assign rx_data   = rxd_del;     assign rx_error  = (rx_state == RX_ERROR); @@ -79,6 +79,8 @@ module simple_gemac_rx  			    .address(48'hFFFF_FFFF_FFFF), .match(is_bcast), .done());     address_filter af_pause (.clk(rx_clk), .reset(reset), .go(go_filt), .data(rxd_d1),  			    .address(48'h0180_c200_0001), .match(is_pause), .done()); +   address_filter_promisc af_promisc (.clk(rx_clk), .reset(reset), .go(go_filt), .data(rxd_d1), +				      .match(is_any_ucast), .done());     always @(posedge rx_clk)       go_filt 			 <= (rx_state==RX_PREAMBLE) & (rxd_d1 == 8'hD5); diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wb.v b/fpga/usrp2/simple_gemac/simple_gemac_wb.v index 6df277e3e..1ef38be11 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_wb.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_wb.v @@ -1,16 +1,17 @@  module wb_reg    #(parameter ADDR=0, -    parameter DEFAULT=0) +    parameter DEFAULT=0, +    parameter WIDTH=32)     (input clk, input rst,       input [5:0] adr, input wr_acc, -    input [31:0] dat_i, output reg [31:0] dat_o); +    input [31:0] dat_i, output reg [WIDTH-1:0] dat_o);     always @(posedge clk)       if(rst)         dat_o <= DEFAULT;       else if(wr_acc & (adr == ADDR)) -       dat_o <= dat_i; +       dat_o <= dat_i[WIDTH-1:0];  endmodule // wb_reg @@ -41,19 +42,19 @@ module simple_gemac_wb     wire [6:0] misc_settings;     assign {pause_request_en, pass_ucast, pass_mcast, pass_bcast, pass_pause, pass_all, pause_respect_en} = misc_settings; -   wb_reg #(.ADDR(0),.DEFAULT(7'b0111001)) +   wb_reg #(.ADDR(0),.DEFAULT(7'b0111011),.WIDTH(7))     wb_reg_settings (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		    .dat_i(wb_dat_i), .dat_o(misc_settings) ); -   wb_reg #(.ADDR(1),.DEFAULT(0)) +   wb_reg #(.ADDR(1),.DEFAULT(0),.WIDTH(16))     wb_reg_ucast_h (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(ucast_addr[47:32]) ); -   wb_reg #(.ADDR(2),.DEFAULT(0)) +   wb_reg #(.ADDR(2),.DEFAULT(0),.WIDTH(32))     wb_reg_ucast_l (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(ucast_addr[31:0]) ); -   wb_reg #(.ADDR(3),.DEFAULT(0)) +   wb_reg #(.ADDR(3),.DEFAULT(0),.WIDTH(16))     wb_reg_mcast_h (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(mcast_addr[47:32]) ); -   wb_reg #(.ADDR(4),.DEFAULT(0)) +   wb_reg #(.ADDR(4),.DEFAULT(0),.WIDTH(32))     wb_reg_mcast_l (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(mcast_addr[31:0]) ); @@ -80,15 +81,15 @@ module simple_gemac_wb     reg [15:0]  MIIRX_DATA;     wire [2:0]  MIISTATUS; -   wb_reg #(.ADDR(5),.DEFAULT(0)) +   wb_reg #(.ADDR(5),.DEFAULT(0),.WIDTH(9))     wb_reg_miimoder (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		    .dat_i(wb_dat_i), .dat_o({NoPre,Divider}) ); -   wb_reg #(.ADDR(6),.DEFAULT(0)) +   wb_reg #(.ADDR(6),.DEFAULT(0),.WIDTH(13))     wb_reg_miiaddr (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(MIIADDRESS) ); -   wb_reg #(.ADDR(7),.DEFAULT(0)) +   wb_reg #(.ADDR(7),.DEFAULT(0),.WIDTH(16))     wb_reg_miidata (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		   .dat_i(wb_dat_i), .dat_o(CtrlData) ); @@ -133,11 +134,11 @@ module simple_gemac_wb        .WCtrlDataStart(WCtrlDataStart), .RStatStart(RStatStart),         .UpdateMIIRX_DATAReg(UpdateMIIRX_DATAReg) ); -   wb_reg #(.ADDR(11),.DEFAULT(0)) +   wb_reg #(.ADDR(11),.DEFAULT(0),.WIDTH(16))     wb_reg_pausetime (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		     .dat_i(wb_dat_i), .dat_o(pause_time) ); -   wb_reg #(.ADDR(12),.DEFAULT(0)) +   wb_reg #(.ADDR(12),.DEFAULT(0),.WIDTH(16))     wb_reg_pausethresh (.clk(wb_clk), .rst(wb_rst), .adr(wb_adr[7:2]), .wr_acc(wr_acc),  		       .dat_i(wb_dat_i), .dat_o(pause_thresh) ); diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper.build b/fpga/usrp2/simple_gemac/simple_gemac_wrapper.build index 30f65ab17..9293deca6 100755 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper.build +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper.build @@ -1 +1 @@ -iverilog -Wimplict -Wportbind -y ../control_lib/newfifo/ -y ../models/ -y . -y miim -y ../coregen/ -y ../control_lib/ -o simple_gemac_wrapper_tb simple_gemac_wrapper_tb.v +iverilog -Wimplict -Wportbind -y ../fifo/ -y ../models/ -y . -y miim -y ../coregen/ -y ../control_lib/ -o simple_gemac_wrapper_tb simple_gemac_wrapper_tb.v diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.build b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.build index 4be0aac1f..b9475baa2 100755 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.build +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.build @@ -1 +1 @@ -iverilog -Wimplict -Wportbind -y ../control_lib/newfifo/ -y ../models/ -y . -y miim -y ../coregen/ -y ../control_lib/ -o simple_gemac_wrapper19_tb simple_gemac_wrapper19_tb.v +iverilog -Wimplict -Wportbind -y ../fifo/ -y ../models/ -y . -y miim -y ../coregen/ -y ../control_lib/ -o simple_gemac_wrapper19_tb simple_gemac_wrapper19_tb.v diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v index 7d57542dc..b61d60d30 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v @@ -44,12 +44,12 @@ module simple_gemac_wrapper19_tb;     reg 	       wb_stb=0, wb_cyc=0, wb_we=0;     wire        wb_ack; -   reg [18:0]  tx_f19_data=0; +   reg [19:0]  tx_f19_data=0;     reg 	       tx_f19_src_rdy = 0;     wire        tx_f19_dst_rdy; -   wire [35:0] rx_f36_data; -   wire        rx_f36_src_rdy; -   wire        rx_f36_dst_rdy = 1; +   wire [35:0] rx_f19_data; +   wire        rx_f19_src_rdy; +   wire        rx_f19_dst_rdy = 1;     simple_gemac_wrapper19 simple_gemac_wrapper19       (.clk125(eth_clk),  .reset(reset), @@ -59,7 +59,7 @@ module simple_gemac_wrapper19_tb;        .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),        //.pause_req(pause_req), .pause_time(pause_time), -      .sys_clk(sys_clk), .rx_f36_data(rx_f36_data), .rx_f36_src_rdy(rx_f36_src_rdy), .rx_f36_dst_rdy(rx_f36_dst_rdy), +      .sys_clk(sys_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(wb_stb), .wb_cyc(wb_cyc), .wb_ack(wb_ack), .wb_we(wb_we), diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper_tb.v b/fpga/usrp2/simple_gemac/simple_gemac_wrapper_tb.v index 26a471a49..0aadc7e93 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper_tb.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper_tb.v @@ -24,9 +24,6 @@ module simple_gemac_wrapper_tb;     wire [7:0] rx_data, tx_data; -   reg [15:0] pause_time; -   reg pause_req      = 0; -     wire GMII_RX_CLK   = GMII_GTX_CLK;     reg [7:0] FORCE_DAT_ERR = 0; @@ -47,7 +44,7 @@ module simple_gemac_wrapper_tb;     reg [35:0]  tx_f36_data=0;     reg 	       tx_f36_src_rdy = 0;     wire        tx_f36_dst_rdy; -   wire        rx_f36_data; +   wire [35:0] rx_f36_data;     wire        rx_f36_src_rdy;     wire        rx_f36_dst_rdy = 1; @@ -57,7 +54,6 @@ module simple_gemac_wrapper_tb;        .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), -      .pause_req(pause_req), .pause_time(pause_time),        .sys_clk(sys_clk), .rx_f36_data(rx_f36_data), .rx_f36_src_rdy(rx_f36_src_rdy), .rx_f36_dst_rdy(rx_f36_dst_rdy),        .tx_f36_data(tx_f36_data), .tx_f36_src_rdy(tx_f36_src_rdy), .tx_f36_dst_rdy(tx_f36_dst_rdy), diff --git a/fpga/usrp2/top/u2_rev3/u2_core.v b/fpga/usrp2/top/u2_rev3/u2_core.v index 30b47b818..413931ec9 100644 --- a/fpga/usrp2/top/u2_rev3/u2_core.v +++ b/fpga/usrp2/top/u2_rev3/u2_core.v @@ -3,7 +3,7 @@  // ////////////////////////////////////////////////////////////////////////////////  module u2_core -  #(parameter RAM_SIZE=32768) +  #(parameter RAM_SIZE=16384, parameter RAM_AW=14)    (// Clocks     input dsp_clk,     input wb_clk, @@ -163,7 +163,7 @@ module u2_core     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 [31:0] 	status;     wire 	bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int;     wire 	proc_int, overrun, underrun, uart_tx_int, uart_rx_int; @@ -286,13 +286,11 @@ module u2_core     // ///////////////////////////////////////////////////////////////////     // RAM Loader -   wire [31:0] 	 ram_loader_dat, if_dat; +   wire [31:0] 	 ram_loader_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 #(.AWIDTH(aw),.RAM_SIZE(RAM_SIZE))       ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst),  		 .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr),  		 .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel), @@ -308,36 +306,34 @@ module u2_core     // /////////////////////////////////////////////////////////////////////////     // Processor -   aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) -     aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), -	   // Instruction Wishbone bus to I-RAM -	   .if_adr(if_adr), -	   .if_dat(if_dat), + +   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 -	   .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr), -	   .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc), +	   .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr), +	   .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),  	   // Interrupts and exceptions -	   .sys_int_i(proc_int),.sys_exc_i(bus_error) ); -    -   assign 	 bus_error = m0_err | m0_rty; +	   .stack_start(16'h3ff8), .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     wire 	 flush_icache; -   ram_harvard #(.AWIDTH(15),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) +   ram_harvard #(.AWIDTH(RAM_AW),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6))       sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), -	     .ram_loader_adr_i(ram_loader_adr[14:0]), .ram_loader_dat_i(ram_loader_dat), +	     .ram_loader_adr_i(ram_loader_adr[RAM_AW-1:0]), .ram_loader_dat_i(ram_loader_dat),  	     .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel),  	     .ram_loader_we_i(ram_loader_we),  	     .ram_loader_done_i(ram_loader_done), -	     .if_adr(if_adr),  -	     .if_data(if_dat),  +	     .if_adr(16'b0), .if_data(), -	     .dwb_adr_i(s0_adr[14:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i), +	     .dwb_adr_i(s0_adr[RAM_AW-1:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),  	     .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel),  	     .flush_icache(flush_icache)); @@ -359,33 +355,32 @@ module u2_core     wire 	 wr3_ready_i, wr3_ready_o;     wire [3:0] 	 wr0_flags, wr1_flags, wr2_flags, wr3_flags;     wire [31:0] 	 wr0_dat, wr1_dat, wr2_dat, wr3_dat; -    -   buffer_pool #(.BUF_SIZE(9), .SET_ADDR(SR_BUF_POOL)) buffer_pool + +   wire [35:0] 	 tx_err_data; +   wire 	 tx_err_src_rdy, tx_err_dst_rdy; + +   wire [31:0] router_debug; + +   packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router       (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), -      .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),    +      .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),        .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(),.wb_rty_o(), -    -      .stream_clk(dsp_clk), .stream_rst(dsp_rst), +        .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), -      .status(status),.sys_int_o(buffer_int), - -      .s0(status_b0),.s1(status_b1),.s2(status_b2),.s3(status_b3), -      .s4(status_b4),.s5(status_b5),.s6(status_b6),.s7(status_b7), - -      // Write Interfaces -      .wr0_data_i(wr0_dat), .wr0_flags_i(wr0_flags), .wr0_ready_i(wr0_ready_i), .wr0_ready_o(wr0_ready_o), -      .wr1_data_i(wr1_dat), .wr1_flags_i(wr1_flags), .wr1_ready_i(wr1_ready_i), .wr1_ready_o(wr1_ready_o), -      .wr2_data_i(wr2_dat), .wr2_flags_i(wr2_flags), .wr2_ready_i(wr2_ready_i), .wr2_ready_o(wr2_ready_o), -      .wr3_data_i(wr3_dat), .wr3_flags_i(wr3_flags), .wr3_ready_i(wr3_ready_i), .wr3_ready_o(wr3_ready_o), -      // Read Interfaces -      .rd0_data_o(rd0_dat), .rd0_flags_o(rd0_flags), .rd0_ready_i(rd0_ready_i), .rd0_ready_o(rd0_ready_o), -      .rd1_data_o(rd1_dat), .rd1_flags_o(rd1_flags), .rd1_ready_i(rd1_ready_i), .rd1_ready_o(rd1_ready_o), -      .rd2_data_o(rd2_dat), .rd2_flags_o(rd2_flags), .rd2_ready_i(rd2_ready_i), .rd2_ready_o(rd2_ready_o), -      .rd3_data_o(rd3_dat), .rd3_flags_o(rd3_flags), .rd3_ready_i(rd3_ready_i), .rd3_ready_o(rd3_ready_o) -      ); -   wire [31:0] 	 status_enc; -   priority_enc priority_enc (.in({16'b0,status[15:0]}), .out(status_enc)); +      .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0), + +      .status(status), .sys_int_o(buffer_int), .debug(router_debug), + +      .ser_inp_data({wr0_flags, wr0_dat}), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o), +      .dsp_inp_data({wr1_flags, wr1_dat}), .dsp_inp_valid(wr1_ready_i), .dsp_inp_ready(wr1_ready_o), +      .eth_inp_data({wr2_flags, wr2_dat}), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o), +      .err_inp_data(tx_err_data), .err_inp_ready(tx_err_dst_rdy), .err_inp_valid(tx_err_src_rdy), + +      .ser_out_data({rd0_flags, rd0_dat}), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i), +      .dsp_out_data({rd1_flags, rd1_dat}), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i), +      .eth_out_data({rd2_flags, rd2_dat}), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i) +      );     // /////////////////////////////////////////////////////////////////////////     // SPI -- Slave #2 @@ -427,23 +422,23 @@ module u2_core         cycle_count <= cycle_count + 1;     //compatibility number -> increment when the fpga has been sufficiently altered -   localparam compat_num = 32'd3; +   localparam compat_num = 32'd4;     wb_readback_mux buff_pool_status       (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),        .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack), -       -      .word00(status_b0),.word01(status_b1),.word02(status_b2),.word03(status_b3), -      .word04(status_b4),.word05(status_b5),.word06(status_b6),.word07(status_b7), + +      .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0), +      .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0),        .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]), -      .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(status_enc),.word15(cycle_count) +      .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(32'b0),.word15(cycle_count)        );     // /////////////////////////////////////////////////////////////////////////     // Ethernet MAC  Slave #6     wire [18:0] 	 rx_f19_data, tx_f19_data; -   wire 	 rx_f19_src_rdy, rx_f19_dst_rdy, rx_f36_src_rdy, rx_f36_dst_rdy; +   wire 	 rx_f19_src_rdy, rx_f19_dst_rdy, tx_f19_src_rdy, tx_f19_dst_rdy;     simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19       (.clk125(clk_to_mac),  .reset(wb_rst), @@ -459,37 +454,39 @@ module u2_core        .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 +   wire [35:0] 	 rx_f36_data, tx_f36_data; +   wire 	 rx_f36_src_rdy, rx_f36_dst_rdy, tx_f36_src_rdy, tx_f36_dst_rdy; + +   wire [18:0] 	 _rx_f19_data; +   wire 	 _rx_f19_src_rdy, _rx_f19_dst_rdy; + +   //mac rx to eth input... +   fifo19_rxrealign fifo19_rxrealign       (.clk(dsp_clk), .reset(dsp_rst), .clear(0), -      .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) ); +      .datain(rx_f19_data), .src_rdy_i(rx_f19_src_rdy), .dst_rdy_o(rx_f19_dst_rdy), +      .dataout(_rx_f19_data), .src_rdy_o(_rx_f19_src_rdy), .dst_rdy_i(_rx_f19_dst_rdy) ); -   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 +   fifo19_to_fifo36 eth_inp_fifo19_to_fifo36       (.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)); +      .f19_datain(_rx_f19_data),  .f19_src_rdy_i(_rx_f19_src_rdy), .f19_dst_rdy_o(_rx_f19_dst_rdy), +      .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy), .f36_dst_rdy_i(rx_f36_dst_rdy) ); -   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), +      .datain(rx_f36_data), .src_rdy_i(rx_f36_src_rdy), .dst_rdy_o(rx_f36_dst_rdy),        .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o)); -    + +   //eth output to mac tx... +   fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo +     (.clk(dsp_clk), .reset(dsp_rst), .clear(0), +      .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), +      .dataout(tx_f36_data), .src_rdy_o(tx_f36_src_rdy), .dst_rdy_i(tx_f36_dst_rdy)); + +   fifo36_to_fifo19 eth_out_fifo36_to_fifo19 +     (.clk(dsp_clk), .reset(dsp_rst), .clear(0), +      .f36_datain(tx_f36_data),  .f36_src_rdy_i(tx_f36_src_rdy), .f36_dst_rdy_o(tx_f36_dst_rdy), +      .f19_dataout(tx_f19_data), .f19_src_rdy_o(tx_f19_src_rdy), .f19_dst_rdy_i(tx_f19_dst_rdy) ); +     // /////////////////////////////////////////////////////////////////////////     // Settings Bus -- Slave #7     settings_bus settings_bus @@ -691,7 +688,8 @@ module u2_core     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))  +		   .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), @@ -721,13 +719,13 @@ module u2_core     // 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), .pps_int(pps_int),        .exp_time_in(exp_time_in), .exp_time_out(exp_time_out),        .debug(debug_sync)); -    +     // /////////////////////////////////////////////////////////////////////////////////////////     // Debug Pins diff --git a/fpga/usrp2/top/u2_rev3/u2_rev3.v b/fpga/usrp2/top/u2_rev3/u2_rev3.v index f2bba6c50..759f7b7b8 100644 --- a/fpga/usrp2/top/u2_rev3/u2_rev3.v +++ b/fpga/usrp2/top/u2_rev3/u2_rev3.v @@ -471,7 +471,7 @@ module u2_rev3     // -   u2_core #(.RAM_SIZE(32768)) +   u2_core #(.RAM_SIZE(16384), .RAM_AW(14))       u2_core(.dsp_clk           (dsp_clk),  	     .wb_clk            (wb_clk),  	     .clock_ready       (clock_ready), diff --git a/fpga/usrp2/top/u2plus/bootloader.rmi b/fpga/usrp2/top/u2plus/bootloader.rmi index 7c15699db..4c7d918c0 100644 --- a/fpga/usrp2/top/u2plus/bootloader.rmi +++ b/fpga/usrp2/top/u2plus/bootloader.rmi @@ -1,245 +1,216 @@ -defparam bootram.RAM0.INIT_00=256'h00000000_00000000_00000000_b80801c0_00000000_b808175c_00000000_b8080050; -defparam bootram.RAM0.INIT_01=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_b8081764; -defparam bootram.RAM0.INIT_02=256'h3020ffe0_b0000000_30401e70_31a01e98_00000000_00000000_00000000_00000000; -defparam bootram.RAM0.INIT_03=256'h3021ffe4_e060f800_b0000000_b8000000_30a30000_b9f40668_80000000_b9f400cc; -defparam bootram.RAM0.INIT_04=256'he8830000_e8601e78_80000000_99fc2000_f8601e78_b8000044_bc030014_f9e10000; -defparam bootram.RAM0.INIT_05=256'h80000000_99fc1800_30a01e8c_bc030010_30600000_b0000000_30630004_be24ffec; -defparam bootram.RAM0.INIT_06=256'h30600000_b0000000_3021001c_b60f0008_e9e10000_f060f800_b0000000_30600001; -defparam bootram.RAM0.INIT_07=256'h80000000_99fc1800_bc03000c_30c0f804_b0000000_30a01e8c_f9e10000_3021ffe4; -defparam bootram.RAM0.INIT_08=256'h80000000_99fc2000_bc04000c_30a01e90_bc030014_30800000_b0000000_e8601e90; -defparam bootram.RAM0.INIT_09=256'h06463800_20e01e98_20c01e98_f9e10000_2021ffec_3021001c_b60f0008_e9e10000; -defparam bootram.RAM0.INIT_0A=256'hb0000000_20c0f800_b0000000_bc92fff4_06463800_20c60004_f8060000_bc720014; -defparam bootram.RAM0.INIT_0B=256'hb9f415f8_bc92fff4_06463800_20c60004_f8060000_bc720014_06463800_20e0f82c; -defparam bootram.RAM0.INIT_0C=256'h32630000_20a00000_b9f401c8_20e00000_20c00000_80000000_b9f41778_80000000; -defparam bootram.RAM0.INIT_0D=256'h20210014_b60f0008_30730000_c9e10000_80000000_b9f415c4_80000000_b9f41780; -defparam bootram.RAM0.INIT_0E=256'he9e10000_f9610004_fa410010_95608001_fa21000c_f9610008_f9e10000_3021ffec; -defparam bootram.RAM0.INIT_0F=256'hbc050018_30210014_b62e0000_ea410010_ea21000c_e9610008_940bc001_e9610004; -defparam bootram.RAM0.INIT_10=256'h3021ff2c_80000000_b60f0008_bc32fff4_16432800_30630001_80000000_10600000; -defparam bootram.RAM0.INIT_11=256'hb9f4062c_32c1001c_3261004c_f8610028_f9e10000_fac100d0_fa6100cc_3061002c; -defparam bootram.RAM0.INIT_12=256'h22407fff_e8610024_bc230038_30a01984_10b30000_b9f40da4_10d60000_10b30000; -defparam bootram.RAM0.INIT_13=256'h30a01984_bc120040_aa430001_30a0194c_e061001c_10a30000_be520034_16439003; -defparam bootram.RAM0.INIT_14=256'he8e10020_e8c10028_b800ffa8_80000000_b9f406c0_b800ffb4_80000000_b9f406cc; -defparam bootram.RAM0.INIT_15=256'h80000000_b9f40694_b800ff88_80000000_b9f406a0_30a0194c_80000000_b9f4155c; -defparam bootram.RAM0.INIT_16=256'hb800ff60_80000000_b9f40678_30a01950_80000000_b9f411e8_30a08000_b0000000; -defparam bootram.RAM0.INIT_17=256'hbe030020_30a00050_31000001_30e1001c_30c000f7_f9e10000_a46500ff_3021ffe0; -defparam bootram.RAM0.INIT_18=256'hb810ffe8_30210020_b60f0008_e9e10000_80000000_b9f40330_f081001c_3080005e; -defparam bootram.RAM0.INIT_19=256'h31000001_b9f40280_f9e10000_30e1001c_30c000f7_30a00050_3021ffe0_308000dc; -defparam bootram.RAM0.INIT_1A=256'h3021ffdc_30210020_b60f0008_6463001f_3063ffff_a863005e_e9e10000_e061001c; -defparam bootram.RAM0.INIT_1B=256'h30a0a120_b0000007_9403c001_ac640002_94808001_fac10020_fa61001c_f9e10000; -defparam bootram.RAM0.INIT_1C=256'hb9f40ea8_80000000_b9f4082c_f800200c_80000000_b9f4fe74_f860200c_306000ff; -defparam bootram.RAM0.INIT_1D=256'h80000000_b9f4ff6c_80000000_b9f4059c_30a01988_80000000_b9f409ec_80000000; -defparam bootram.RAM0.INIT_1E=256'h30a00000_b0000030_bc160100_bc130134_a6632000_e8603334_12c30000_be23017c; -defparam bootram.RAM0.INIT_1F=256'hb0000000_80000000_b9f40558_30a01b04_12c30000_be030068_80000000_b9f41180; -defparam bootram.RAM0.INIT_20=256'hb9f41094_30a08000_b0000000_30c07c00_b9f40e70_30a00000_b0000030_30e08000; -defparam bootram.RAM0.INIT_21=256'he9e10000_30600001_10a00000_b9f41244_80000000_b9f40524_30a01b30_80000000; -defparam bootram.RAM0.INIT_22=256'hb000003f_80000000_b9f404f8_30a01b6c_30210024_b60f0008_eac10020_ea61001c; -defparam bootram.RAM0.INIT_23=256'h80000000_b9f404d4_30a019f8_12630000_be230024_80000000_b9f410fc_30a00000; -defparam bootram.RAM0.INIT_24=256'h30a00000_b000003f_30e08000_b0000000_10730000_b810ffb4_80000000_b9f4fd9c; -defparam bootram.RAM0.INIT_25=256'hb9f40490_30a019bc_80000000_b9f41000_30a08000_b0000000_30c07c00_b9f40ddc; -defparam bootram.RAM0.INIT_26=256'h80000000_b9f40474_30a01a50_30600001_b810ff70_10b60000_b9f411b0_80000000; -defparam bootram.RAM0.INIT_27=256'h80000000_b9f40454_30a01ab4_bc230098_80000000_b9f41000_30a00000_b0000018; -defparam bootram.RAM0.INIT_28=256'h80000000_b9f41048_30a00000_b000003f_80000000_b9f40444_30a0199c_b800fed8; -defparam bootram.RAM0.INIT_29=256'hb9f4fda4_b800fe9c_80000000_b9f4fcec_80000000_b9f40424_30a019f8_bc230028; -defparam bootram.RAM0.INIT_2A=256'h30c07c00_b9f40d24_30a00000_b000003f_30e08000_b0000000_b800fe84_10a00000; -defparam bootram.RAM0.INIT_2B=256'hb9f410f8_80000000_b9f403d8_30a019bc_80000000_b9f40f48_30a08000_b0000000; -defparam bootram.RAM0.INIT_2C=256'hb9f4fc60_30a00001_b9f4fd4c_80000000_b9f403c0_30a01a7c_b800fe50_10b30000; -defparam bootram.RAM0.INIT_2D=256'hfa610020_3021ffd4_b800ff40_80000000_b9f410c8_30a00000_b0000018_30a07530; -defparam bootram.RAM0.INIT_2E=256'hfac10024_30e00001_30c1001c_12e70000_f0c1001c_fae10028_10b30000_a66500ff; -defparam bootram.RAM0.INIT_2F=256'h10b30000_10f60000_10d70000_10830000_be030030_12c80000_b9f40898_f9e10000; -defparam bootram.RAM0.INIT_30=256'h10640000_a8830001_6463001f_3063ffff_80000000_b9f407d0_30800001_be76001c; -defparam bootram.RAM0.INIT_31=256'hfac10024_3021ffcc_3021002c_b60f0008_eae10028_eac10024_ea610020_e9e10000; -defparam bootram.RAM0.INIT_32=256'hf9e10000_12c80000_12e70000_13250000_13060000_fb210030_fb01002c_fae10028; -defparam bootram.RAM0.INIT_33=256'h32d6ffff_e0770000_f301001c_30e00002_be76005c_30c1001c_10b90000_fa610020; -defparam bootram.RAM0.INIT_34=256'hbe33ffcc_32f70001_b9f4089c_30a0000a_12630000_33180001_b9f407f8_f061001d; -defparam bootram.RAM0.INIT_35=256'heb210030_eb01002c_eae10028_eac10024_ea610020_e9e10000_10730000_10b90000; -defparam bootram.RAM0.INIT_36=256'h80000000_b9f4f998_f9e10000_3021ffe4_30600001_b810ffe0_30210034_b60f0008; -defparam bootram.RAM0.INIT_37=256'h12660000_fb21002c_fb010028_fae10024_fa61001c_3021ffd0_80000000_b60f0008; -defparam bootram.RAM0.INIT_38=256'haa43ffff_12c00000_b810001c_f9e10000_fac10020_13260000_12e70000_13050000; -defparam bootram.RAM0.INIT_39=256'h10960000_90630060_10b80000_b9f405ec_32730001_bcb2002c_16572001_bc120030; -defparam bootram.RAM0.INIT_3A=256'he9e10000_10640000_f0130000_14999800_32d60001_be32ffd4_aa43000a_f0730000; -defparam bootram.RAM0.INIT_3B=256'h3021ffd0_30210030_b60f0008_eb21002c_eb010028_eae10024_eac10020_ea61001c; -defparam bootram.RAM0.INIT_3C=256'h13260000_12e70000_13050000_12660000_fb21002c_fb010028_fae10024_fa61001c; -defparam bootram.RAM0.INIT_3D=256'hb9f4051c_32730001_bcb2002c_16572001_12c00000_b8100014_f9e10000_fac10020; -defparam bootram.RAM0.INIT_3E=256'h14999800_32d60001_be32ffdc_aa43000a_f0730000_10960000_90630060_10b80000; -defparam bootram.RAM0.INIT_3F=256'heb21002c_eb010028_eae10024_eac10020_ea61001c_e9e10000_10640000_f0130000; -defparam bootram.RAM1.INIT_00=256'h12e60000_12c50000_fae10024_fac10020_fa61001c_3021ffd8_30210030_b60f0008; -defparam bootram.RAM1.INIT_01=256'hbe32ffec_aa43000a_f0730000_90630060_10b60000_b9f404b0_12660000_f9e10000; -defparam bootram.RAM1.INIT_02=256'heae10024_eac10020_ea61001c_e9e10000_10770000_f0130000_3273ffff_32730001; -defparam bootram.RAM1.INIT_03=256'he9e10000_10a00000_b9f4ff94_f9e10000_3021ffe4_10c50000_30210028_b60f0008; -defparam bootram.RAM1.INIT_04=256'hb60f0008_e9e10000_80000000_b9f40448_f9e10000_3021ffe4_3021001c_b60f0008; -defparam bootram.RAM1.INIT_05=256'h3021001c_b60f0008_e9e10000_10a00000_b9f4ffdc_f9e10000_3021ffe4_3021001c; -defparam bootram.RAM1.INIT_06=256'hbe060024_90c30060_12660000_e0660000_f9e10000_fac10020_fa61001c_3021ffdc; -defparam bootram.RAM1.INIT_07=256'h10b60000_be26fff0_90c30060_e0730000_32730001_b9f40324_10b60000_12c50000; -defparam bootram.RAM1.INIT_08=256'hfac1001c_3021ffe0_30210024_b60f0008_10600000_eac10020_ea61001c_e9e10000; -defparam bootram.RAM1.INIT_09=256'heac1001c_e9e10000_30c0000a_b9f402dc_10b60000_12c50000_b9f4ff9c_f9e10000; -defparam bootram.RAM1.INIT_0A=256'h10a00000_b9f4ffc0_f9e10000_3021ffe4_10c50000_30210020_b60f0008_10600000; -defparam bootram.RAM1.INIT_0B=256'h10a00000_b9f4ff48_f9e10000_3021ffe4_10c50000_3021001c_b60f0008_e9e10000; -defparam bootram.RAM1.INIT_0C=256'he9e10000_30c0000a_b9f40278_f9e10000_3021ffe4_3021001c_b60f0008_e9e10000; -defparam bootram.RAM1.INIT_0D=256'hb9f40250_f9e10000_10a00000_12c50000_fac1001c_3021ffe0_3021001c_b60f0008; -defparam bootram.RAM1.INIT_0E=256'hfac1001c_3021ffe0_30210020_b60f0008_eac1001c_e9e10000_10760000_10d60000; -defparam bootram.RAM1.INIT_0F=256'h30210020_b60f0008_eac1001c_e9e10000_10760000_12c60000_b9f40228_f9e10000; -defparam bootram.RAM1.INIT_10=256'h94e08001_3021001c_b60f0008_e9e10000_80000000_b9f401b8_f9e10000_3021ffe4; -defparam bootram.RAM1.INIT_11=256'h80633000_84632000_84c62800_a866ffff_e880f81c_b0000000_9404c001_ac870002; -defparam bootram.RAM1.INIT_12=256'h9404c001_80843800_ac840002_94808001_a4e70002_f860f81c_b0000000_f860200c; -defparam bootram.RAM1.INIT_13=256'h88a52000_e880f81c_b0000000_9406c001_acc30002_94608001_80000000_b60f0008; -defparam bootram.RAM1.INIT_14=256'h9404c001_80841800_ac840002_94808001_a4630002_f8a0f81c_b0000000_f8a0200c; -defparam bootram.RAM1.INIT_15=256'ha866ffff_e880f820_b0000000_9404c001_ac870002_94e08001_80000000_b60f0008; -defparam bootram.RAM1.INIT_16=256'h94808001_a4e70002_f860f820_b0000000_f8602020_80633000_84632000_84c62800; -defparam bootram.RAM1.INIT_17=256'hfae10024_fa61001c_3021ffd4_80000000_b60f0008_9404c001_80843800_ac840002; -defparam bootram.RAM1.INIT_18=256'hbe060040_90c30060_13050000_12e60000_e0660000_fac10020_f9e10000_fb010028; -defparam bootram.RAM1.INIT_19=256'h10730000_be120028_16569800_32c70001_b8100014_32600001_be670038_12660000; -defparam bootram.RAM1.INIT_1A=256'h10730000_3273ffff_32730001_be26ffe4_90c30060_c0779800_10b80000_b9f400cc; -defparam bootram.RAM1.INIT_1B=256'h3021ffe4_3021002c_b60f0008_eb010028_eae10024_eac10020_ea61001c_e9e10000; -defparam bootram.RAM1.INIT_1C=256'hf0c51e7c_3021001c_b60f0008_e9e10000_30c0000a_b9f40084_f9e10000_10a00000; -defparam bootram.RAM1.INIT_1D=256'h80000000_b60f0008_f8653700_64a50405_e4661bac_10c63000_80000000_b60f0008; -defparam bootram.RAM1.INIT_1E=256'h90c60060_b9f4ffc4_10b30000_e0d31e7c_12600000_f9e10000_fa61001c_3021ffe0; -defparam bootram.RAM1.INIT_1F=256'he9e10000_bc32ffd8_aa530003_90c60060_b9f4ffbc_32730001_10b30000_e0d31ba8; -defparam bootram.RAM1.INIT_20=256'h12c60000_f9e10000_fac10020_fa61001c_3021ffdc_30210020_b60f0008_ea61001c; -defparam bootram.RAM1.INIT_21=256'hfac5000c_bc03fffc_e8650004_30a33700_64730405_12650000_be120030_aa46000a; -defparam bootram.RAM1.INIT_22=256'hbc32ffd0_aa430001_e0651e7c_30210024_b60f0008_eac10020_ea61001c_e9e10000; -defparam bootram.RAM1.INIT_23=256'hf9e10000_fac10020_fa61001c_3021ffdc_64730405_b810ffc8_30c0000d_b9f4ffac; -defparam bootram.RAM1.INIT_24=256'hbc040008_e8830004_30633700_64730405_12650000_be120030_aa46000a_12c60000; -defparam bootram.RAM1.INIT_25=256'haa430001_e0651e7c_30210024_b60f0008_eac10020_ea61001c_e9e10000_fac3000c; -defparam bootram.RAM1.INIT_26=256'h30a53700_64a50405_64730405_b810ffc4_80000000_b9f4ff44_30c0000d_be32ffd0; -defparam bootram.RAM1.INIT_27=256'he8650008_30a53700_64a50405_80000000_b60f0008_e8650010_bc03fffc_e8650008; -defparam bootram.RAM1.INIT_28=256'h64a50405_80000000_b60f0008_90630060_be24fff8_e8850008_e8650010_bc030014; -defparam bootram.RAM1.INIT_29=256'h32600001_be230040_e8760008_32c53700_fa61001c_f9e10000_fac10020_3021ffdc; -defparam bootram.RAM1.INIT_2A=256'hbe03ffe8_e8760008_30a00001_b9f401e0_3060ffff_be120034_aa53012d_b8000010; -defparam bootram.RAM1.INIT_2B=256'he9e10000_e8760010_3060ffff_be52000c_16539001_3240012b_3273ffff_32730001; -defparam bootram.RAM1.INIT_2C=256'h32400004_a463000f_e8603324_f8003108_30210024_b60f0008_eac10020_ea61001c; -defparam bootram.RAM1.INIT_2D=256'ha46300ff_64a30008_e4641bb8_10831800_30600004_10831800_beb20010_16439001; -defparam bootram.RAM1.INIT_2E=256'ha4a500ff_be070088_80000000_b60f0008_f8603108_30600080_f8a03104_f8603100; -defparam bootram.RAM1.INIT_2F=256'hf8803110_30800090_f860310c_a0630001_10652800_be23fff8_a4630040_e8603110; -defparam bootram.RAM1.INIT_30=256'haa470001_10800000_be230058_a4630080_e8603110_bc23fff8_a4630002_e8603110; -defparam bootram.RAM1.INIT_31=256'h30e7ffff_e860310c_bc23fff8_a4630002_e8603110_f8603110_30600020_be120038; -defparam bootram.RAM1.INIT_32=256'h30600068_b810ffd0_30600020_be32ffd8_aa470001_30c60001_be07001c_f0660000; -defparam bootram.RAM1.INIT_33=256'ha4a500ff_10640000_b60f0008_f8603110_30600040_10640000_b60f0008_30800001; -defparam bootram.RAM1.INIT_34=256'h306000d0_30600090_be27000c_f860310c_10652800_be23fff8_a4630040_e8603110; -defparam bootram.RAM1.INIT_35=256'h10800000_be23005c_a4630080_e8603110_bc23fff8_a4630002_e8603110_f8603110; -defparam bootram.RAM1.INIT_36=256'hf8803110_bc120030_aa470001_f860310c_30800010_e0660000_30800001_be070068; -defparam bootram.RAM1.INIT_37=256'hbe070028_30e7ffff_be23001c_a4630080_e8603110_bc23fff8_a4630002_e8603110; -defparam bootram.RAM1.INIT_38=256'hb60f0008_f8603110_30600040_10800000_30800050_b810ffd4_b800ffc4_30c60001; -defparam bootram.RAM1.INIT_39=256'hbc260054_a4c30000_b0008000_e8603324_10640000_b60f0008_30800001_10640000; -defparam bootram.RAM1.INIT_3A=256'h80000000_10800000_bc660030_e8c01e80_10660000_be650048_bc430054_e8601e80; -defparam bootram.RAM1.INIT_3B=256'h16443000_30840001_80000000_80000000_80000000_80000000_80000000_80000000; -defparam bootram.RAM1.INIT_3C=256'ha4630007_e8603324_80000000_b60f0008_bc32ffc8_16432800_30630001_bc32ffdc; -defparam bootram.RAM1.INIT_3D=256'h16459001_3240005a_3065ffa9_90a50060_b800ff9c_f8801e80_e4831bc4_10631800; -defparam bootram.RAM1.INIT_3E=256'h3085ffd0_be52000c_16459001_32400039_a46300ff_3065ffc9_a46300ff_be520024; -defparam bootram.RAM1.INIT_3F=256'hf9e10000_fb610034_13250000_fb21002c_3021ffc8_80000000_b60f0008_a46400ff; -defparam bootram.RAM2.INIT_00=256'haa43003a_13660000_e0790000_fb410030_fb010028_fae10024_fac10020_fa61001c; -defparam bootram.RAM2.INIT_01=256'heb010028_eae10024_eac10020_ea61001c_e9e10000_10650000_30a0ffff_be120034; -defparam bootram.RAM2.INIT_02=256'hc085c800_30a00001_e8c01e84_30210038_b60f0008_eb610034_eb410030_eb21002c; -defparam bootram.RAM2.INIT_03=256'hb810ffac_bc23ffe4_a4630044_c0662000_a4a300ff_be04001c_90840060_30650001; -defparam bootram.RAM2.INIT_04=256'h12761800_66c30404_b9f4ff1c_e0b90002_80000000_b9f4ff28_e0b90001_30a0fffe; -defparam bootram.RAM2.INIT_05=256'he0b90005_30a0fffd_be38ff74_93040060_e083000b_10791800_fa7b0004_10739800; -defparam bootram.RAM2.INIT_06=256'h66c3040c_b9f4fed8_e0b90004_66e30404_b9f4fee4_e0b90003_13530000_b9f4fef0; -defparam bootram.RAM2.INIT_07=256'he0b90007_fafb0008_12f7b000_12d61800_12d61800_b9f4fec8_64630408_e0b90006; -defparam bootram.RAM2.INIT_08=256'hbe130060_f07b0000_1063b000_66c30404_b9f4fea4_e0b90008_80000000_b9f4feb0; -defparam bootram.RAM2.INIT_09=256'hb9f4fe74_c0b6c800_a6d600ff_32d60009_12d8c000_ea7b000c_13580000_10f30000; -defparam bootram.RAM2.INIT_0A=256'he8fb0004_ea7b000c_d0789800_1063b800_66e30404_b9f4fe68_e0b60001_12d9b000; -defparam bootram.RAM2.INIT_0B=256'headb0008_a74300ff_be52ffb8_1647c003_107a1800_a70400ff_c073c000_30980001; -defparam bootram.RAM2.INIT_0C=256'h107a1800_12c7b000_10632000_e0b70009_12f9b800_64760008_12e73800_e09b0000; -defparam bootram.RAM2.INIT_0D=256'ha6d600ff_1063c000_16d60000_67030404_b9f4fe04_e0b7000a_12d61800_b9f4fe10; -defparam bootram.RAM2.INIT_0E=256'ha4630100_e8603b10_10a00000_b810fe58_30a0fffb_be32fe60_1643b000_a46300ff; -defparam bootram.RAM2.INIT_0F=256'ha4a500ff_80884800_a1292000_a508007f_a5290600_80000000_b60f0008_bc23fff8; -defparam bootram.RAM2.INIT_10=256'ha0840100_f8603b18_a46600ff_f8803b10_f8e03b00_bc23fff8_a4630100_e8603b10; -defparam bootram.RAM2.INIT_11=256'hb60f0008_e8603b00_bc23fff8_a4630100_e8603b10_10650000_be050018_f8803b10; -defparam bootram.RAM2.INIT_12=256'h31200400_31000008_10a00000_f9e10000_3021ffe4_10e60000_10c00000_80000000; -defparam bootram.RAM2.INIT_13=256'h3021ffc4_3021001c_b60f0008_e9e10000_80000000_b9f4ff84_f8603b14_30600001; -defparam bootram.RAM2.INIT_14=256'hb9f4ff3c_fae10034_13060000_f9e10000_fb010038_fa61002c_12c50000_fac10030; -defparam bootram.RAM2.INIT_15=256'hfac03b00_f8603b04_3060000b_66d60408_f8603b10_f8003b18_30600400_12670000; -defparam bootram.RAM2.INIT_16=256'h80000000_b9f4ff00_f8603b10_30600528_f8803b10_30800428_f8603b18_30600001; -defparam bootram.RAM2.INIT_17=256'hf8803b10_30800500_f8603b10_30600400_3261001c_12e00000_12d30000_be18009c; -defparam bootram.RAM2.INIT_18=256'he8803b04_f8610020_e8603b08_f881001c_14b7c000_e8803b0c_80000000_b9f4fed8; -defparam bootram.RAM2.INIT_19=256'h30a00010_10800000_beb20034_16459003_22400010_f8610028_e8603b00_f8810024; -defparam bootram.RAM2.INIT_1A=256'hbeb20020_1658b803_12f72800_bc32fff0_16442800_30840001_d0762000_c0732000; -defparam bootram.RAM2.INIT_1B=256'hf8003b18_12d62800_be52ff7c_1658b803_12f72800_bc25ffd8_b800ff8c_12d62800; -defparam bootram.RAM2.INIT_1C=256'hb0009f00_3021003c_b60f0008_eb010038_eae10034_eac10030_ea61002c_e9e10000; -defparam bootram.RAM2.INIT_1D=256'h31200400_b9f4fe34_f9e10000_31000020_30c00001_30a00001_3021ffe4_30e00000; -defparam bootram.RAM2.INIT_1E=256'h3021ffe4_e860f828_b0000000_3021001c_b60f0008_a463ffff_b00000ff_e9e10000; -defparam bootram.RAM2.INIT_1F=256'h64830008_80000000_b9f4ffa8_3021001c_b60f0008_e9e10000_bc030010_f9e10000; -defparam bootram.RAM2.INIT_20=256'h16439001_32400015_80000000_b9f40330_a46300ff_be120010_aa440020_a48400ff; -defparam bootram.RAM2.INIT_21=256'hb0000000_b800ffb0_f860f828_b0000000_bc52ffe4_16439001_32400018_bcb2fff0; -defparam bootram.RAM2.INIT_22=256'hb9f4ff40_3021001c_b60f0008_e9e10000_bc030010_f9e10000_3021ffe4_e860f824; -defparam bootram.RAM2.INIT_23=256'h80000000_b9f402c8_a4a300ff_be120010_aa440020_a48400ff_64830008_80000000; -defparam bootram.RAM2.INIT_24=256'hb0000000_e0651bbe_bc52ffe4_16459001_32400018_bcb2fff0_16459001_32400015; -defparam bootram.RAM2.INIT_25=256'h10c50000_12c00000_fac1001c_3021ffe0_b800ffa4_f860f824_b0000000_f8a0f828; -defparam bootram.RAM2.INIT_26=256'heac1001c_e9e10000_80000000_99fcb000_30e00024_b9f40334_f9e10000_10b60000; -defparam bootram.RAM2.INIT_27=256'hb810001c_30e1001c_b9f4fd88_f9e10000_30c00040_3021ffa4_30210020_b60f0008; -defparam bootram.RAM2.INIT_28=256'he063001c_10612800_10600000_be520044_16459001_3240003e_30a50001_10a00000; -defparam bootram.RAM2.INIT_29=256'haa440099_e083001c_10612800_30a50001_bc32ffd8_aa4300aa_bc12ffe0_aa4300ff; -defparam bootram.RAM2.INIT_2A=256'h3021005c_b60f0008_e9e10000_3021005c_b60f0008_e9e10000_30600001_be32ffc8; -defparam bootram.RAM2.INIT_2B=256'h10b60000_30c00006_b9f4fd08_f9e10000_10f60000_32c1001c_fac10028_3021ffd4; -defparam bootram.RAM2.INIT_2C=256'heac10028_e9e10000_a884ffff_80841800_14830000_30e00006_b9f401f8_30c01bd8; -defparam bootram.RAM2.INIT_2D=256'h65040403_64e40003_64a40007_64c40005_e0803a03_3021002c_b60f0008_6464001f; -defparam bootram.RAM2.INIT_2E=256'ha4a50008_80e73000_90a40041_a4e70004_80c62800_a4c60002_64640407_65240405; -defparam bootram.RAM2.INIT_2F=256'h81294000_a5290040_81082000_a5080020_80842800_a4840010_80a53800_10842000; -defparam bootram.RAM2.INIT_30=256'h64e50403_64c50003_64650007_64850005_a4a500ff_a46300ff_b60f0008_80634800; -defparam bootram.RAM2.INIT_31=256'ha4630008_80c62000_90650041_a4c60004_80841800_a4840002_65250407_65050405; -defparam bootram.RAM2.INIT_32=256'h81083800_a5080040_80e72800_a4e70020_80a51800_a4a50010_80633000_10a52800; -defparam bootram.RAM2.INIT_33=256'hb00000ff_fac1001c_3021ffe0_80000000_b60f0008_f9203a00_a52900ff_81294000; -defparam bootram.RAM2.INIT_34=256'h30a0ffaa_b9f4ff74_30a0ffff_b9f4ff7c_30a0ffff_b9f4ff84_f9e10000_a6c5ffff; -defparam bootram.RAM2.INIT_35=256'h30a00061_b9f4ff54_30a00032_b9f4ff5c_a2d60000_b0000b00_30a0ff99_b9f4ff6c; -defparam bootram.RAM2.INIT_36=256'h30a0ff81_b9f4ff34_30a00032_b9f4ff3c_10b60000_b9f4ff44_64b60008_b9f4ff4c; -defparam bootram.RAM2.INIT_37=256'h30a0ffa1_b9f4ff14_30a00030_b9f4ff1c_64b60010_b9f4ff24_30a0000b_b9f4ff2c; -defparam bootram.RAM2.INIT_38=256'h10a00000_b9f4fef4_30a00020_b9f4fefc_30a0000e_b9f4ff04_10a00000_b9f4ff0c; -defparam bootram.RAM2.INIT_39=256'h30210020_b60f0008_eac1001c_e9e10000_10a00000_b9f4fee4_30a00020_b9f4feec; -defparam bootram.RAM2.INIT_3A=256'hb6110000_30a0ffff_b9f4e91c_80000000_b9f4f220_f9e10000_3021ffe4_30a01be0; -defparam bootram.RAM2.INIT_3B=256'h22400003_80000000_b60f0008_80000000_b60f0008_80000000_b6910000_80000000; -defparam bootram.RAM2.INIT_3C=256'h16432000_e8660000_e8850000_bc230050_a4630003_80653000_beb2005c_16479003; -defparam bootram.RAM2.INIT_3D=256'h30e7ffff_30c60004_be52ffe0_16479003_22400003_30a50004_30e7fffc_bc320040; -defparam bootram.RAM2.INIT_3E=256'h30c60001_30a50001_be320020_16434000_e0660000_e1050000_bc120028_aa47ffff; -defparam bootram.RAM2.INIT_3F=256'h2240000f_14634000_b60f0008_10600000_b60f0008_bc32ffe0_aa47ffff_30e7ffff; -defparam bootram.RAM3.INIT_00=256'hbc070024_11050000_be030034_a4630003_80662800_10850000_beb20018_16479003; -defparam bootram.RAM3.INIT_01=256'h30c60001_be32fff0_16474000_31080001_f0680000_e0660000_10e72000_11040000; -defparam bootram.RAM3.INIT_02=256'he8860008_f8680004_e8660004_f8880000_30e7fff0_e8860000_10650000_b60f0008; -defparam bootram.RAM3.INIT_03=256'h31080010_be52ffd0_16479003_2240000f_f868000c_30c60010_e866000c_f8880008; -defparam bootram.RAM3.INIT_04=256'h22400003_d8682000_30e7fffc_c8662000_10800000_bcb2002c_16479003_22400003; -defparam bootram.RAM3.INIT_05=256'he860193c_10880000_b810ff68_11044000_10c43000_30840004_be52ffec_16479003; -defparam bootram.RAM3.INIT_06=256'h3273fffc_99fc1800_bc120018_aa43ffff_3260193c_f9e10000_fa61001c_3021ffe0; -defparam bootram.RAM3.INIT_07=256'h3021fff8_30210020_b60f0008_ea61001c_e9e10000_bc32fff0_aa43ffff_e8730000; -defparam bootram.RAM3.INIT_08=256'h30210008_b60f0008_c9e00800_80000000_b9f4ffb0_80000000_b9f4e7d4_d9e00800; -defparam bootram.RAM3.INIT_09=256'hffffffff_30210008_b60f0008_c9e00800_80000000_b9f4e74c_d9e00800_3021fff8; -defparam bootram.RAM3.INIT_0A=256'h696d6167_61696e20_523a206d_4552524f_4f4b0000_00000000_ffffffff_00000000; -defparam bootram.RAM3.INIT_0B=256'h64206d6f_206c6f61_49484558_20696e20_4261636b_65642120_7475726e_65207265; -defparam bootram.RAM3.INIT_0C=256'h53746172_720a0000_6f616465_6f6f746c_322b2062_55535250_4e4f4b00_64652e00; -defparam bootram.RAM3.INIT_0D=256'h4552524f_2e000000_6d6f6465_61666520_696e2073_50322b20_20555352_74696e67; -defparam bootram.RAM3.INIT_0E=256'h20546869_72616d21_70726f67_61696e20_6f6d206d_6e206672_65747572_523a2072; -defparam bootram.RAM3.INIT_0F=256'h523a206e_4552524f_6e210000_61707065_65722068_206e6576_6f756c64_73207368; -defparam bootram.RAM3.INIT_10=256'h626c652e_61696c61_65206176_696d6167_61726520_69726d77_66652066_6f207361; -defparam bootram.RAM3.INIT_11=256'h6c6f6164_20746f20_66726565_65656c20_6b2e2046_62726963_6d206120_20492061; -defparam bootram.RAM3.INIT_12=256'h2076616c_20666f72_6b696e67_43686563_2e000000_2052414d_5820746f_20494845; -defparam bootram.RAM3.INIT_13=256'h56616c69_2e2e2e00_6d616765_47412069_6e204650_6374696f_726f6475_69642070; -defparam bootram.RAM3.INIT_14=256'h642e2041_666f756e_61676520_4120696d_20465047_74696f6e_6f647563_64207072; -defparam bootram.RAM3.INIT_15=256'h2070726f_616c6964_4e6f2076_742e0000_20626f6f_6720746f_7074696e_7474656d; -defparam bootram.RAM3.INIT_16=256'h74656d70_2e0a4174_6f756e64_67652066_20696d61_46504741_696f6e20_64756374; -defparam bootram.RAM3.INIT_17=256'h77617265_6669726d_696f6e20_64756374_2070726f_6c6f6164_20746f20_74696e67; -defparam bootram.RAM3.INIT_18=256'h6520666f_6d776172_20666972_74696f6e_6f647563_64207072_56616c69_2e2e2e00; -defparam bootram.RAM3.INIT_19=256'h6e206672_65747572_523a2052_4552524f_2e2e2e00_64696e67_204c6f61_756e642e; -defparam bootram.RAM3.INIT_1A=256'h206e6576_6f756c64_73207368_20546869_72616d21_70726f67_61696e20_6f6d206d; -defparam bootram.RAM3.INIT_1B=256'h696f6e20_64756374_2070726f_616c6964_4e6f2076_6e210000_61707065_65722068; -defparam bootram.RAM3.INIT_1C=256'h6669726d_61666520_6e672073_54727969_6e642e20_20666f75_77617265_6669726d; -defparam bootram.RAM3.INIT_1D=256'h0018000f_ffff0031_01b200d9_05160364_14580a2c_05050400_2e2e2e00_77617265; -defparam bootram.RAM3.INIT_1E=256'hb8080000_b0000000_10101200_06820594_09c407d0_13880d05_00002710_000b0000; -defparam bootram.RAM3.INIT_1F=256'h20202020_28282820_20202828_20202020_00202020_00000000_6f72740a_0a0a6162; -defparam bootram.RAM3.INIT_20=256'h10040404_10101010_10101010_10101010_20881010_20202020_20202020_20202020; -defparam bootram.RAM3.INIT_21=256'h01010101_01010101_01010101_41414141_10104141_10101010_04040410_04040404; -defparam bootram.RAM3.INIT_22=256'h02020202_02020202_02020202_42424242_10104242_10101010_01010101_01010101; -defparam bootram.RAM3.INIT_23=256'h00000000_00000000_00000000_00000000_20000000_10101010_02020202_02020202; -defparam bootram.RAM3.INIT_24=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_25=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_26=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_27=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_28=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_29=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_2A=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_2B=256'h28282020_20282828_20202020_20202020_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_2C=256'h10101010_10101010_10101010_88101010_20202020_20202020_20202020_20202020; -defparam bootram.RAM3.INIT_2D=256'h01010101_01010101_41414101_10414141_10101010_04041010_04040404_04040404; -defparam bootram.RAM3.INIT_2E=256'h02020202_02020202_42424202_10424242_10101010_01010110_01010101_01010101; -defparam bootram.RAM3.INIT_2F=256'h00000000_00000000_00000000_00000000_10101020_02020210_02020202_02020202; -defparam bootram.RAM3.INIT_30=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_31=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_32=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_33=256'h01010100_00001948_00000000_00000000_00000000_00000000_00000000_00000000; -defparam bootram.RAM3.INIT_34=256'h00000000_00000000_00000000_00000000_00000000_00000000_00001d70_ffffffff; +defparam bootram.RAM0.INIT_00=256'h00000000_00000000_00000000_a4b70400_3a0b0b0b_0bae9c0c_80700b0b_0b0b0b0b; +defparam bootram.RAM0.INIT_01=256'h00000000_00000000_00000000_800c0400_880c840c_0ba4f42d_88080b0b_80088408; +defparam bootram.RAM0.INIT_02=256'h00000000_00000000_04000000_ffff0652_832b2a83_81058205_72830609_71fd0608; +defparam bootram.RAM0.INIT_03=256'h83a70400_0b0b0b0b_7383ffff_2b2b0906_05820583_83060981_83ffff73_71fd0608; +defparam bootram.RAM0.INIT_04=256'h00000000_00000000_53510400_070a8106_73097306_09060906_72057373_72098105; +defparam bootram.RAM0.INIT_05=256'h00000000_00000000_00000000_00000000_00000000_51040000_732e0753_72722473; +defparam bootram.RAM0.INIT_06=256'h00000000_53510400_81065151_0a31050a_0a720a10_30720a10_71068106_71737109; +defparam bootram.RAM0.INIT_07=256'h00000000_00000000_00000000_00000000_00000000_51040000_732e0753_72722673; +defparam bootram.RAM0.INIT_08=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM0.INIT_09=256'h00000000_00000000_00000000_00000000_00000000_00000000_c3040000_0b0b0b88; +defparam bootram.RAM0.INIT_0A=256'h00000000_00000000_00000000_00000000_00000000_00000000_0a535104_720a722b; +defparam bootram.RAM0.INIT_0B=256'h00000000_00000000_00000000_00000000_05040000_0b0b88a6_0981050b_72729f06; +defparam bootram.RAM0.INIT_0C=256'h00000000_00000000_04000000_06075351_8106ff05_0974090a_739f062a_72722aff; +defparam bootram.RAM0.INIT_0D=256'h00000000_0c515104_0772fc06_832b0b2b_81058205_73830609_020d0406_71715351; +defparam bootram.RAM0.INIT_0E=256'h00000000_00000000_00000000_51040000_0a810653_81050906_72050970_72098105; +defparam bootram.RAM0.INIT_0F=256'h00000000_00000000_00000000_53510400_0a098106_81050906_72050970_72098105; +defparam bootram.RAM0.INIT_10=256'h00000000_00000000_00000000_00000000_00000000_00000000_52040000_71098105; +defparam bootram.RAM0.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_04000000_05055351_72720981; +defparam bootram.RAM0.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_07535104_73730906_72097206; +defparam bootram.RAM0.INIT_13=256'h00000000_00000000_04000000_81ff0652_1010102a_81058305_72830609_71fc0608; +defparam bootram.RAM0.INIT_14=256'h00000000_00000000_88a90400_060b0b0b_10100508_88738306_0b0b0bae_71fc0608; +defparam bootram.RAM0.INIT_15=256'h00000000_0c510400_0c840c80_80085688_ae2d5050_0b0b0b9e_88087575_80088408; +defparam bootram.RAM0.INIT_16=256'h00000000_0c510400_0c840c80_80085688_e02d5050_0b0b0b9f_88087575_80088408; +defparam bootram.RAM0.INIT_17=256'h04000000_07515151_05ff0506_73097274_70547106_8106ff05_0509060a_72097081; +defparam bootram.RAM0.INIT_18=256'h51040000_06075151_7405ff05_06730972_05705471_098106ff_0509060a_72097081; +defparam bootram.RAM0.INIT_19=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_05ff0504; +defparam bootram.RAM0.INIT_1A=256'h00000000_00000000_00000000_00000000_00000000_51040000_0bae980c_810b0b0b; +defparam bootram.RAM0.INIT_1B=256'h00000000_00000000_00000000_00000000_00000000_00000000_04000000_71810552; +defparam bootram.RAM0.INIT_1C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM0.INIT_1D=256'h00000000_00000000_00000000_00000000_00000000_04000000_10100552_02840572; +defparam bootram.RAM0.INIT_1E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM0.INIT_1F=256'h00000000_00000000_00000000_00000000_00000000_020d0400_05715351_717105ff; +defparam bootram.RAM0.INIT_20=256'h10101010_10101010_10101010_10101010_10101010_10101010_943f0410_81f33f9e; +defparam bootram.RAM0.INIT_21=256'h060c5151_2b0772fc_05101010_09810583_06738306_047381ff_10105351_10101010; +defparam bootram.RAM0.INIT_22=256'h535104ae_ed385151_100a5372_1052720a_72060571_06ff0509_72807281_043c0472; +defparam bootram.RAM0.INIT_23=256'hec0c8290_a0800bb5_b5e80c82_0b0b0b0b_38838080_08822eb9_a138ae9c_9808802e; +defparam bootram.RAM0.INIT_24=256'h80808480_b5ec0cf8_8082800b_e80cf880_0b0b0bb5_8080a40b_0c04f880_800bb5f0; +defparam bootram.RAM0.INIT_25=256'h0ba6c40b_ec0c0b0b_80940bb5_0c80c0a8_0b0bb5e8_808c0b0b_0480c0a8_0bb5f00c; +defparam bootram.RAM0.INIT_26=256'haea40c70_92388412_5270802e_08700852_a338aea4_f4335170_ff3d0db5_b5f00c04; +defparam bootram.RAM0.INIT_27=256'he408802e_0b0b0bb5_04803d0d_833d0d04_0bb5f434_70f03881_70085252_2daea408; +defparam bootram.RAM0.INIT_28=256'hf5e23f82_510b0b0b_0b0bb5e4_3d0d040b_06853882_802e0981_0b0b800b_8e380b0b; +defparam bootram.RAM0.INIT_29=256'h518bc93f_d0055273_3fb23dfe_525486a0_59923d70_3dfee005_d03d0db2_3d0d0404; +defparam bootram.RAM0.INIT_2A=256'h3d335473_519e3986_c93fa6c8_52735198_38765378_ff74278f_775481ff_8008b238; +defparam bootram.RAM0.INIT_2B=256'hb039803d_859e3fff_39a78051_a6cc5184_3f91d73f_c85185ac_068f38a6_812e0981; +defparam bootram.RAM0.INIT_2C=256'h0ca78851_0b81a08c_3d0d81ff_3d0d04fc_51f63982_380bff11_70ff2e87_0dff1351; +defparam bootram.RAM0.INIT_2D=256'h81ff0655_ee3f8008_84e23f83_3fa78451_e13f86d6_85e13f8e_81a08c0c_dd3f800b; +defparam bootram.RAM0.INIT_2E=256'h81fc8080_5184bd3f_c338a7b0_51547380_70810651_08708d2a_3f81c6b4_805182ed; +defparam bootram.RAM0.INIT_2F=256'h8eab3f90_fc808051_ffff5281_80805380_82c33f82_a6388151_8008802e_5190b63f; +defparam bootram.RAM0.INIT_30=256'he45183f8_74b238a8_3ffe8d3f_8c518484_3f8a39a8_73519192_5184913f_c53fa7d0; +defparam bootram.RAM0.INIT_31=256'hfec03fb0_3f82ac51_815181f9_5183e53f_9938a990_8008802e_518fa13f_3fb0800a; +defparam bootram.RAM0.INIT_32=256'h83ba3f82_38aa9851_08802eaa_8fc73f80_98800a51_5183cd3f_d93fa9c8_800a5190; +defparam bootram.RAM0.INIT_33=256'h3faae851_853f8fca_82ac51fe_5183a53f_bc3faac4_800a518d_ffff5298_80805380; +defparam bootram.RAM0.INIT_34=256'h5380ffff_38828080_08802eb5_80085480_518f8a3f_81fc8080_5183913f_ba39aba4; +defparam bootram.RAM0.INIT_35=256'hdb3f82ac_a7d05182_3f8f8f3f_ac51fdca_82ea3f82_3faac451_80518d81_5281fc80; +defparam bootram.RAM0.INIT_36=256'h04f83d0d_0c863d0d_cf3f7380_82c63ffc_39a88c51_3f81548a_80518fd6_51fdbb3f; +defparam bootram.RAM0.INIT_37=256'h70810558_8a3d3476_17575473_b7387581_54807425_74ff1656_5a575758_7a7c7f7f; +defparam bootram.RAM0.INIT_38=256'h8a5186fd_81ff0654_cf3f8008_ff065185_05527781_538a3dfc_a1053482_33028405; +defparam bootram.RAM0.INIT_39=256'h748338dc_5580de56_02a30533_04fa3d0d_0c8a3d0d_81547380_8538c139_3f73802e; +defparam bootram.RAM0.INIT_3A=256'h7c5702ab_04f93d0d_3f883d0d_d051ff89_81f75280_3dfc0553_34815488_5675883d; +defparam bootram.RAM0.INIT_3B=256'h56547380_81ff0670_ef3f8008_70525684_02a70533_3dfc0552_34815389_0533893d; +defparam bootram.RAM0.INIT_3C=256'h83388155_5473802e_ff067056_3f800881_755183b2_76537b52_77259738_2e9e3880; +defparam bootram.RAM0.INIT_3D=256'h883d3356_a03f800b_80d051ff_5381f752_883dfc05_3d0d8154_3d0d04fa_74800c89; +defparam bootram.RAM0.INIT_3E=256'h7081ff06_56567433_3d0d7779_3d0d04fb_75800c88_83388156_2e098106_567480de; +defparam bootram.RAM0.INIT_3F=256'h0d04fe3d_800c873d_e539800b_5581bb3f_06537652_157481ff_2e903881_54547280; +defparam bootram.RAM1.INIT_00=256'h528051de_ff3d0d73_843d0d04_800b800c_51819f3f_3f8a5272_705253cb_0d747653; +defparam bootram.RAM1.INIT_01=256'h800881ff_80087334_5181b23f_81135374_55558439_76787055_04fc3d0d_3f833d0d; +defparam bootram.RAM1.INIT_02=256'h3f833d0d_528051c9_ff3d0d73_863d0d04_3473800c_e7388073_2e098106_0652718a; +defparam bootram.RAM1.INIT_03=256'h7510abe0_81ce8005_0d73a029_0d04ff3d_1234823d_0533aea8_7251028f_04803d0d; +defparam bootram.RAM1.INIT_04=256'h33527251_3faeac13_527251c9_aea81333_3d0d8053_3d0d04fe_0c535183_05702272; +defparam bootram.RAM1.INIT_05=256'h38aea814_09810694_54748a2e_0d767856_0d04fc3d_e738843d_53827325_d13f8113; +defparam bootram.RAM1.INIT_06=256'h72802ef8_84140853_ce800554_73a02981_7351df3f_87388d52_2e098106_33537281; +defparam bootram.RAM1.INIT_07=256'h38901208_70802ef8_88120851_ce800552_73a02981_04ff3d0d_0c863d0d_38748c15; +defparam bootram.RAM1.INIT_08=256'h38845170_84712583_8f065151_c6a40870_c2880c81_0d800b81_0d04ff3d_800c833d; +defparam bootram.RAM1.INIT_09=256'h880c833d_800b81c2_0c515181_2a81c284_800c7088_ff0681c2_70227081_10aeb005; +defparam bootram.RAM1.INIT_0A=256'h70862a70_81c29008_2e818638_81517180_33555354_88059705_0d767802_0d04fd3d; +defparam bootram.RAM1.INIT_0B=256'h812a7081_c2900870_c2900c81_81900b81_81c28c0c_72108107_5170f138_81065151; +defparam bootram.RAM1.INIT_0C=256'h3871802e_70802eba_51515151_06708132_872a7081_c2900870_70f13881_06515151; +defparam bootram.RAM1.INIT_0D=256'h515170f1_70810651_0870812a_0c81c290_7081c290_8338a051_5171812e_b13880e8; +defparam bootram.RAM1.INIT_0E=256'h0c70800c_0b81c290_883980c0_cc398151_34ff1252_70810556_08517074_3881c28c; +defparam bootram.RAM1.INIT_0F=256'h51515170_2a708106_90087086_535481c2_97053355_78028805_fd3d0d76_853d0d04; +defparam bootram.RAM1.INIT_10=256'h70812a70_81c29008_81c2900c_81905170_802e8438_81d05171_81c28c0c_f1387210; +defparam bootram.RAM1.INIT_11=256'h80cf3871_5170802e_32515151_81067081_70872a70_81c29008_5170f138_81065151; +defparam bootram.RAM1.INIT_12=256'h90087081_900c81c2_517081c2_2e833890_d0517181_c28c0c80_38733381_802e80c5; +defparam bootram.RAM1.INIT_13=256'h802e8e38_51515170_70813251_2a708106_90087087_f13881c2_51515170_2a708106; +defparam bootram.RAM1.INIT_14=256'h04ff3d0d_0c853d0d_80517080_81c2900c_3980c00b_3981518a_5354ffb7_8114ff13; +defparam bootram.RAM1.INIT_15=256'hc01122ae_108e06ae_c6a40870_25923881_aebc0880_7124a638_08525280_7381c6a4; +defparam bootram.RAM1.INIT_16=256'hffa91170_028f0533_04ff3d0d_38833d0d_115170fb_387151ff_80722589_bc0c5151; +defparam bootram.RAM1.INIT_17=256'h81ff0651_38d01270_71b92689_ff065151_c9127081_da269638_52527180_81ff0651; +defparam bootram.RAM1.INIT_18=256'h82ef3881_2e098106_ff5371ba_76335358_7b585680_f93d0d79_833d0d04_5170800c; +defparam bootram.RAM1.INIT_19=256'hc4065151_11337080_7033abf5_ff067219_81147081_2eaa3872_53537178_0b811733; +defparam bootram.RAM1.INIT_1A=256'h08842b9f_fefb3f80_81163351_5271d838_16703351_82bd3872_5271802e_51535154; +defparam bootram.RAM1.INIT_1B=256'h5354fd53_8b113357_0c701017_05708419_81ff0672_ec3f8008_335252fe_f0068217; +defparam bootram.RAM1.INIT_1C=256'h08882b83_febb3f80_17335253_e0800684_088c2bbf_fecb3f80_83163351_74828a38; +defparam bootram.RAM1.INIT_1D=256'h983f8008_335253fe_73058617_2b9ff006_3f800884_5253fea9_05851733_fe800673; +defparam bootram.RAM1.INIT_1E=256'hf83f8008_335252fd_f0068817_08842b9f_fe873f80_87163351_0588180c_81ff0673; +defparam bootram.RAM1.INIT_1F=256'h05523355_19707081_19081771_81ff068c_10890570_80d23874_34747427_12527177; +defparam bootram.RAM1.INIT_20=256'h8c170815_53727434_3f800813_5253fdc1_f0067233_08842b9f_fdcf3f80_52565152; +defparam bootram.RAM1.INIT_21=256'h84170888_26ffb038_84170875_5b515152_ff065a52_81197081_7081ff06_7033701a; +defparam bootram.RAM1.INIT_22=256'h5b515354_11335654_73101a89_7081ff06_05197030_2a055473_72057188_18087833; +defparam bootram.RAM1.INIT_23=256'h5377722e_065152fb_127081ff_e43f8008_335252fc_f0068a15_08842b9f_fcf33f80; +defparam bootram.RAM1.INIT_24=256'h882a7081_d6900870_803d0d81_893d0d04_5372800c_53833980_388539fe_09810689; +defparam bootram.RAM1.INIT_25=256'hc0800753_80060780_ff067a8c_05337880_3d0d0293_3d0d04fe_70f13882_06515151; +defparam bootram.RAM1.INIT_26=256'h81ff0681_d6900c75_800c7181_387681d6_515170f1_70810651_0870882a_5381d690; +defparam bootram.RAM1.INIT_27=256'h51515170_2a708106_90087088_963881d6_5172802e_d6900c72_82800781_d6980c71; +defparam bootram.RAM1.INIT_28=256'h80538052_80558854_d6940c88_0d810b81_0d04fc3d_800c843d_80085170_f13881d6; +defparam bootram.RAM1.INIT_29=256'h900c8b0b_800b81d6_d6980c88_3f800b81_7d56fee4_04f63d0d_3f863d0d_8051ff87; +defparam bootram.RAM1.INIT_2A=256'hd6900cfe_8aa80b81_81d6900c_0c88a80b_0b81d698_d6800c81_7c882b81_81d6840c; +defparam bootram.RAM1.INIT_2B=256'h3f81d68c_900cfe98_800b81d6_d6900c8a_88800b81_2780d338_80547376_b33f7e55; +defparam bootram.RAM1.INIT_2C=256'h27833870_90537073_75315257_5b883d76_81d68008_d684085a_88085981_085881d6; +defparam bootram.RAM1.INIT_2D=256'ha939800b_721454ff_1252ec39_05573481_33757081_71175170_73279138_53805271; +defparam bootram.RAM1.INIT_2E=256'h9d055755_80028405_51fed23f_80c05268_3d705457_ea3d0d88_8c3d0d04_81d6980c; +defparam bootram.RAM1.INIT_2F=256'h81992e09_33515473_38741670_09810694_7381aa2e_ff2e9d38_51547381_74177033; +defparam bootram.RAM1.INIT_30=256'h863d7054_04f93d0d_0c983d0d_80547380_7527d138_811555be_81548b39_81068538; +defparam bootram.RAM1.INIT_31=256'h38815574_09810683_8008752e_5185f73f_abec5273_80558653_51fe823f_54865279; +defparam bootram.RAM1.INIT_32=256'h0771832a_0671872a_70852a82_02970533_04fd3d0d_81a0940c_0d04810b_800c893d; +defparam bootram.RAM1.INIT_33=256'h76852b80_7081ff06_71730707_832ba006_10900674_73070773_2a880671_84067281; +defparam bootram.RAM1.INIT_34=256'h0d04fe3d_5552853d_51555255_0c515253_0681d480_077081ff_0778872b_c0067072; +defparam bootram.RAM1.INIT_35=256'h819951ff_51ff923f_983f81aa_81ff51ff_51ff9e3f_075381ff_0681d00a_0d74d00a; +defparam bootram.RAM1.INIT_36=256'h0651feed_3f7281ff_5252fef5_7081ff06_3f72882a_e151ff81_ff873f80_8c3fb251; +defparam bootram.RAM1.INIT_37=256'hfecf3fb0_ff065253_902a7081_fedb3f72_72982a51_51fee23f_e83f8181_3fb251fe; +defparam bootram.RAM1.INIT_38=256'hb03fa051_3f8051fe_a051feb5_51feba3f_febf3f8e_c43f8051_81a151fe_51feca3f; +defparam bootram.RAM1.INIT_39=256'h0c8c0888_8c08fc05_3d0d800b_028c0cf9_ff398c08_843d0d04_51fea63f_feab3f80; +defparam bootram.RAM1.INIT_3A=256'h08883881_8c08fc05_08f4050c_0c800b8c_8c088805_88050830_ab388c08_05088025; +defparam bootram.RAM1.INIT_3B=256'h0508308c_388c088c_088025ab_8c088c05_08fc050c_f405088c_050c8c08_0b8c08f4; +defparam bootram.RAM1.INIT_3C=256'h05088c08_0c8c08f0_8c08f005_8838810b_08fc0508_f0050c8c_800b8c08_088c050c; +defparam bootram.RAM1.INIT_3D=256'h548c08fc_08f8050c_8008708c_5181a73f_08880508_0508528c_538c088c_fc050c80; +defparam bootram.RAM1.INIT_3E=256'h0d8c0c04_0c54893d_05087080_0c8c08f8_8c08f805_f8050830_8c388c08_0508802e; +defparam bootram.RAM1.INIT_3F=256'h08308c08_8c088805_80259338_08880508_fc050c8c_800b8c08_0cfb3d0d_8c08028c; +defparam bootram.RAM2.INIT_00=256'h050c8153_308c088c_088c0508_258c388c_8c050880_050c8c08_0b8c08fc_88050c81; +defparam bootram.RAM2.INIT_01=256'h802e8c38_08fc0508_050c548c_708c08f8_ad3f8008_88050851_08528c08_8c088c05; +defparam bootram.RAM2.INIT_02=256'h028c0cfd_0c048c08_873d0d8c_70800c54_08f80508_f8050c8c_08308c08_8c08f805; +defparam bootram.RAM2.INIT_03=256'h388c08fc_050827ac_088c0888_8c088c05_08f8050c_0c800b8c_8c08fc05_3d0d810b; +defparam bootram.RAM2.INIT_04=256'h08fc0508_8c050c8c_08108c08_8c088c05_08249938_8c088c05_a338800b_0508802e; +defparam bootram.RAM2.INIT_05=256'h26a1388c_08880508_8c05088c_c9388c08_08802e80_8c08fc05_050cc939_108c08fc; +defparam bootram.RAM2.INIT_06=256'hf8050c8c_08078c08_8c08fc05_08f80508_88050c8c_08318c08_8c088c05_08880508; +defparam bootram.RAM2.INIT_07=256'h90050880_af398c08_8c050cff_812a8c08_088c0508_fc050c8c_812a8c08_08fc0508; +defparam bootram.RAM2.INIT_08=256'h518c08f4_08f4050c_0508708c_398c08f8_050c518d_708c08f4_08880508_2e8f388c; +defparam bootram.RAM2.INIT_09=256'h06517080_74740783_72278c38_56565283_0d787779_0c04fc3d_853d0d8c_0508800c; +defparam bootram.RAM2.INIT_0A=256'h15ff1454_38811581_098106bd_5372712e_33743352_2ea03874_125271ff_2eb038ff; +defparam bootram.RAM2.INIT_0B=256'h81068f38_73082e09_54517008_0d047474_800c863d_e238800b_2e098106_555571ff; +defparam bootram.RAM2.INIT_0C=256'h0d04fc3d_800c863d_39727131_5555ffaf_e9387073_51718326_fc145454_84118414; +defparam bootram.RAM2.INIT_0D=256'h71ff2e98_38ff1252_70802ea7_07830651_8c387275_558f7227_7b555555_0d767079; +defparam bootram.RAM2.INIT_0E=256'h3d0d0474_74800c86_8106ea38_71ff2e09_34ff1252_70810556_05543374_38727081; +defparam bootram.RAM2.INIT_0F=256'h05540871_0c727084_70840553_05540871_0c727084_70840553_05540871_51727084; +defparam bootram.RAM2.INIT_10=256'h95387270_38837227_718f26c9_0cf01252_70840553_05540871_0c727084_70840553; +defparam bootram.RAM2.INIT_11=256'hae9c0854_3d0d800b_ff8339fd_ed387054_52718326_530cfc12_71708405_84055408; +defparam bootram.RAM2.INIT_12=256'h3f72b5f8_8008519b_51e6bc3f_aed05281_3fe3b13f_f80ce493_983873b5_5472812e; +defparam bootram.RAM2.INIT_13=256'hd40882c8_3d0d7bae_00ff39f7_0851843f_e6a53f80_d0528151_e39a3fae_0ce3fc3f; +defparam bootram.RAM2.INIT_14=256'h80e93880_59807424_712b5955_08ff0581_88188419_80d93881_5a77802e_11085a54; +defparam bootram.RAM2.INIT_15=256'h08535379_38781670_72802eb5_08770653_56818019_11880556_73822b78_7424b538; +defparam bootram.RAM2.INIT_16=256'hffad38ae_77085877_8025d638_57575473_79812c5a_fc17fc17_722dff14_51740853; +defparam bootram.RAM2.INIT_17=256'h57575473_79812c5a_fc17fc17_722dff14_3f740853_7951f8c0_1308a538_d40853bc; +defparam bootram.RAM2.INIT_18=256'hb5d80bfc_3fff3d0d_7951f894_0853722d_7251bc13_57ff9439_38d23980_8025ffa9; +defparam bootram.RAM2.INIT_19=256'h0d0404e3_f138833d_2e098106_525270ff_fc127008_9138702d_5270ff2e_05700852; +defparam bootram.RAM2.INIT_1A=256'h65207265_696d6167_61696e20_523a206d_4552524f_4f4b0000_00000040_833f0400; +defparam bootram.RAM2.INIT_1B=256'h64652e00_64206d6f_206c6f61_49484558_20696e20_4261636b_65642120_7475726e; +defparam bootram.RAM2.INIT_1C=256'h756c7472_70657220_72207375_6f616465_6f6f746c_322b2062_55535250_4e4f4b00; +defparam bootram.RAM2.INIT_1D=256'h50322b20_20555352_74696e67_53746172_6e0a0000_6974696f_55206564_61205a50; +defparam bootram.RAM2.INIT_1E=256'h6e206672_65747572_523a2072_4552524f_2e000000_6d6f6465_61666520_696e2073; +defparam bootram.RAM2.INIT_1F=256'h206e6576_6f756c64_73207368_20546869_72616d21_70726f67_61696e20_6f6d206d; +defparam bootram.RAM2.INIT_20=256'h69726d77_66652066_6f207361_523a206e_4552524f_6e210000_61707065_65722068; +defparam bootram.RAM2.INIT_21=256'h62726963_6d206120_20492061_626c652e_61696c61_65206176_696d6167_61726520; +defparam bootram.RAM2.INIT_22=256'h2052414d_5820746f_20494845_6c6f6164_20746f20_66726565_65656c20_6b2e2046; +defparam bootram.RAM2.INIT_23=256'h6374696f_726f6475_69642070_2076616c_20666f72_6b696e67_43686563_2e000000; +defparam bootram.RAM2.INIT_24=256'h74696f6e_6f647563_64207072_56616c69_2e2e2e00_6d616765_47412069_6e204650; +defparam bootram.RAM2.INIT_25=256'h6720746f_7074696e_7474656d_642e2041_666f756e_61676520_4120696d_20465047; +defparam bootram.RAM2.INIT_26=256'h46504741_696f6e20_64756374_2070726f_616c6964_4e6f2076_742e0000_20626f6f; +defparam bootram.RAM2.INIT_27=256'h6c6f6164_20746f20_74696e67_74656d70_2e0a4174_6f756e64_67652066_20696d61; +defparam bootram.RAM2.INIT_28=256'h64207072_56616c69_2e2e2e00_77617265_6669726d_696f6e20_64756374_2070726f; +defparam bootram.RAM2.INIT_29=256'h64696e67_204c6f61_756e642e_6520666f_6d776172_20666972_74696f6e_6f647563; +defparam bootram.RAM2.INIT_2A=256'h6e672069_61727469_2e205374_64696e67_206c6f61_73686564_46696e69_2e2e2e00; +defparam bootram.RAM2.INIT_2B=256'h61696e20_6f6d206d_6e206672_65747572_523a2052_4552524f_2e000000_6d616765; +defparam bootram.RAM2.INIT_2C=256'h61707065_65722068_206e6576_6f756c64_73207368_20546869_72616d21_70726f67; +defparam bootram.RAM2.INIT_2D=256'h77617265_6669726d_696f6e20_64756374_2070726f_616c6964_4e6f2076_6e210000; +defparam bootram.RAM2.INIT_2E=256'h2e2e2e00_77617265_6669726d_61666520_6e672073_54727969_6e642e20_20666f75; +defparam bootram.RAM2.INIT_2F=256'h20202828_20202020_00202020_80700000_0b0b0b0b_01b200d9_05160364_14580a2c; +defparam bootram.RAM2.INIT_30=256'h10101010_10101010_20881010_20202020_20202020_20202020_20202020_28282820; +defparam bootram.RAM2.INIT_31=256'h01010101_41414141_10104141_10101010_04040410_04040404_10040404_10101010; +defparam bootram.RAM2.INIT_32=256'h02020202_42424242_10104242_10101010_01010101_01010101_01010101_01010101; +defparam bootram.RAM2.INIT_33=256'h00000000_00000000_20000000_10101010_02020202_02020202_02020202_02020202; +defparam bootram.RAM2.INIT_34=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_35=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_36=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_37=256'h792e6578_64756d6d_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_38=256'h00000000_00000000_ffffff00_ffff00ff_ff00ffff_00ffffff_43000000_65000000; +defparam bootram.RAM2.INIT_39=256'hffffffff_000b0000_0018000f_ffff0031_05050400_01010100_00001ae0_00000000; +defparam bootram.RAM2.INIT_3A=256'h000019c0_00000000_00001758_000016f8_06820594_09c407d0_13880d05_00002710; +defparam bootram.RAM2.INIT_3B=256'h00000000_00000000_00000000_00000000_00000000_00000000_00001a78_00001a1c; +defparam bootram.RAM2.INIT_3C=256'h00000000_00000000_00000000_00000000_00001704_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_3D=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_3E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM2.INIT_3F=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_00=256'h00000000_00000000_00000000_000b0000_deec0005_1234e66d_330eabcd_00000001; +defparam bootram.RAM3.INIT_01=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_02=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_03=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_04=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_05=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_06=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_07=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_08=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_09=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0A=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0B=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0D=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_0F=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_10=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_13=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_14=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_15=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_16=256'hffffffff_00000000_ffffffff_00000000_00000000_00000000_00000000_00000000; +defparam bootram.RAM3.INIT_17=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000; diff --git a/fpga/usrp2/top/u2plus/u2plus_core.v b/fpga/usrp2/top/u2plus/u2plus_core.v index 4e0b190ef..c152f083e 100644 --- a/fpga/usrp2/top/u2plus/u2plus_core.v +++ b/fpga/usrp2/top/u2plus/u2plus_core.v @@ -131,7 +131,7 @@ module u2plus_core     output spiflash_cs, output spiflash_clk, input spiflash_miso, output spiflash_mosi     ); -   localparam SR_BUF_POOL = 64;   // Uses 1 reg +   localparam SR_BUF_POOL = 64;   // router     localparam SR_UDP_SM   = 96;   // 64 regs     localparam SR_RX_DSP   = 160;  // 16     localparam SR_RX_CTRL  = 176;  // 16 @@ -155,7 +155,7 @@ module u2plus_core     wire 	wb_rst, dsp_rst; -   wire [31:0] 	status, status_b0, status_b1, status_b2, status_b3, status_b4, status_b5, status_b6, status_b7; +   wire [31:0] 	status;     wire 	bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int;     wire 	proc_int, overrun, underrun;     wire [3:0] 	uart_tx_int, uart_rx_int; @@ -197,21 +197,21 @@ module u2plus_core     wb_1master #(.decode_w(8),  		.s0_addr(8'b0000_0000),.s0_mask(8'b1110_0000),  // 0-8K, Boot RAM -		.s1_addr(8'b0100_0000),.s1_mask(8'b1100_0000),  // 16K-32K, Buffer Pool - 		.s2_addr(8'b0011_0000),.s2_mask(8'b1111_1111),  // SPI -		.s3_addr(8'b0011_0001),.s3_mask(8'b1111_1111),  // I2C -		.s4_addr(8'b0011_0010),.s4_mask(8'b1111_1111),  // GPIO -		.s5_addr(8'b0011_0011),.s5_mask(8'b1111_1111),  // Readback -		.s6_addr(8'b0011_0100),.s6_mask(8'b1111_1111),  // Ethernet MAC -		.s7_addr(8'b0010_0000),.s7_mask(8'b1111_0000),  // 8-12K, Settings Bus (only uses 1K) -		.s8_addr(8'b0011_0101),.s8_mask(8'b1111_1111),  // PIC -		.s9_addr(8'b0011_0110),.s9_mask(8'b1111_1111),  // Unused -		.sa_addr(8'b0011_0111),.sa_mask(8'b1111_1111),  // UART -		.sb_addr(8'b0011_1000),.sb_mask(8'b1111_1111),  // ATR -		.sc_addr(8'b0011_1001),.sc_mask(8'b1111_1111),  // Unused -		.sd_addr(8'b0011_1010),.sd_mask(8'b1111_1111),  // ICAP -		.se_addr(8'b0011_1011),.se_mask(8'b1111_1111),  // SPI Flash -		.sf_addr(8'b1000_0000),.sf_mask(8'b1000_0000),  // 32-64K, Main RAM +		.s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000),  // 16K-20K, Buffer Pool +		.s2_addr(8'b0110_0000),.s2_mask(8'b1111_1111),  // SPI +		.s3_addr(8'b0110_0001),.s3_mask(8'b1111_1111),  // I2C +		.s4_addr(8'b0110_0010),.s4_mask(8'b1111_1111),  // GPIO +		.s5_addr(8'b0110_0011),.s5_mask(8'b1111_1111),  // Readback +		.s6_addr(8'b0110_0100),.s6_mask(8'b1111_1111),  // Ethernet MAC +		.s7_addr(8'b0101_0000),.s7_mask(8'b1111_0000),  // 20K-24K, Settings Bus (only uses 1K) +		.s8_addr(8'b0110_0101),.s8_mask(8'b1111_1111),  // PIC +		.s9_addr(8'b0110_0110),.s9_mask(8'b1111_1111),  // Unused +		.sa_addr(8'b0110_0111),.sa_mask(8'b1111_1111),  // UART +		.sb_addr(8'b0110_1000),.sb_mask(8'b1111_1111),  // ATR +		.sc_addr(8'b0110_1001),.sc_mask(8'b1111_1111),  // Unused +		.sd_addr(8'b0110_1010),.sd_mask(8'b1111_1111),  // ICAP +		.se_addr(8'b0110_1011),.se_mask(8'b1111_1111),  // SPI Flash +		.sf_addr(8'b1000_0000),.sf_mask(8'b1100_0000),  // 32-48K, Main RAM  		.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), @@ -251,35 +251,72 @@ module u2plus_core     //////////////////////////////////////////////////////////////////////////////////////////     // Reset Controller -    + +    reg cpu_bldr_ctrl_state; +    localparam CPU_BLDR_CTRL_WAIT = 0; +    localparam CPU_BLDR_CTRL_DONE = 1; + +    wire bldr_done; +    reg cpu_rst; +    wire cpu_enb = ~cpu_rst; +    wire [aw-1:0] cpu_adr; +    wire [aw-1:0] cpu_sp_init = (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_DONE)? +        16'hfff8 : //top of 8K boot ram re-purposed at 56K +        16'h1ff8 ; //top of 8K boot ram + +    //When the main program runs, it will try to access system ram at 0. +    //This logic re-maps the cpu address to force select the system ram. +    assign m0_adr = +        (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_WAIT)? cpu_adr : ( //in bootloader +        (cpu_adr[15:14] == 2'b00)?   {2'b10, cpu_adr[13:0]}  : ( //map 0-16 to 32-48 (main ram) +        (cpu_adr[15:13] == 3'b111)?  {3'b000, cpu_adr[12:0]} : ( //map 56-64 to 0-8 (boot ram) +    cpu_adr))); //otherwise + +    always @(posedge wb_clk) +    if(wb_rst) begin +        cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_WAIT; +        cpu_rst <= 1'b1; +    end +    else begin +        case(cpu_bldr_ctrl_state) + +        CPU_BLDR_CTRL_WAIT: begin +            cpu_rst <= 1'b0; +            if (bldr_done == 1'b1) begin //set by the bootloader +                cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_DONE; +                cpu_rst <= 1'b1; +            end +        end + +        CPU_BLDR_CTRL_DONE: begin //stay here forever +            cpu_rst <= 1'b0; +        end + +        endcase //cpu_bldr_ctrl_state +    end +     // /////////////////////////////////////////////////////////////////////////     // Processor -   wire [31:0] 	 if_dat; -   wire [15:0] 	 if_adr; - -   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), + +   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 | cpu_rst), .enb(cpu_enb),  	   // Data Wishbone bus to system bus fabric -	   .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr), -	   .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc), +	   .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(cpu_adr), +	   .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),  	   // Interrupts and exceptions -	   .sys_int_i(proc_int),.sys_exc_i(bus_error) ); -    -   assign 	 bus_error = m0_err | m0_rty; -    +	   .stack_start(cpu_sp_init), .zpu_status(zpu_status), .interrupt(proc_int & 1'b0)); + +     // /////////////////////////////////////////////////////////////////////////     // Dual Ported Boot RAM -- D-Port is Slave #0 on main Wishbone     // Dual Ported Main RAM -- D-Port is Slave #F on main Wishbone     // I-port connects directly to processor -   wire [31:0] 	 if_dat_boot, if_dat_main; -   assign if_dat = if_adr[15] ? if_dat_main : if_dat_boot; -        bootram bootram(.clk(wb_clk), .reset(wb_rst), -		   .if_adr(if_adr[12:0]), .if_data(if_dat_boot),  +		   .if_adr(13'b0), .if_data(),  		   .dwb_adr_i(s0_adr[12:0]), .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)); @@ -289,10 +326,10 @@ module u2plus_core  `include "bootloader.rmi" -   ram_harvard2 #(.AWIDTH(15),.RAM_SIZE(32768)) +   ram_harvard2 #(.AWIDTH(14),.RAM_SIZE(16384))     sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),	      -	   .if_adr(if_adr[14:0]), .if_data(if_dat_main),  -	   .dwb_adr_i(sf_adr[14:0]), .dwb_dat_i(sf_dat_o), .dwb_dat_o(sf_dat_i), +	   .if_adr(14'b0), .if_data(), +	   .dwb_adr_i(sf_adr[13:0]), .dwb_dat_i(sf_dat_o), .dwb_dat_o(sf_dat_i),  	   .dwb_we_i(sf_we), .dwb_ack_o(sf_ack), .dwb_stb_i(sf_stb), .dwb_sel_i(sf_sel));     // ///////////////////////////////////////////////////////////////////////// @@ -310,34 +347,33 @@ module u2plus_core     wire 	 wr3_ready_i, wr3_ready_o;     wire [3:0] 	 wr0_flags, wr1_flags, wr2_flags, wr3_flags;     wire [31:0] 	 wr0_dat, wr1_dat, wr2_dat, wr3_dat; -    -   buffer_pool #(.BUF_SIZE(9), .SET_ADDR(SR_BUF_POOL)) buffer_pool + +   wire [35:0] 	 tx_err_data; +   wire 	 tx_err_src_rdy, tx_err_dst_rdy; + +   wire [31:0] router_debug; + +   packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router       (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), -      .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),    +      .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),        .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(),.wb_rty_o(), -    -      .stream_clk(dsp_clk), .stream_rst(dsp_rst), +        .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), -      .status(status),.sys_int_o(buffer_int), - -      .s0(status_b0),.s1(status_b1),.s2(status_b2),.s3(status_b3), -      .s4(status_b4),.s5(status_b5),.s6(status_b6),.s7(status_b7), - -      // Write Interfaces -      .wr0_data_i(wr0_dat), .wr0_flags_i(wr0_flags), .wr0_ready_i(wr0_ready_i), .wr0_ready_o(wr0_ready_o), -      .wr1_data_i(wr1_dat), .wr1_flags_i(wr1_flags), .wr1_ready_i(wr1_ready_i), .wr1_ready_o(wr1_ready_o), -      .wr2_data_i(wr2_dat), .wr2_flags_i(wr2_flags), .wr2_ready_i(wr2_ready_i), .wr2_ready_o(wr2_ready_o), -      .wr3_data_i(wr3_dat), .wr3_flags_i(wr3_flags), .wr3_ready_i(wr3_ready_i), .wr3_ready_o(wr3_ready_o), -      // Read Interfaces -      .rd0_data_o(rd0_dat), .rd0_flags_o(rd0_flags), .rd0_ready_i(rd0_ready_i), .rd0_ready_o(rd0_ready_o), -      .rd1_data_o(rd1_dat), .rd1_flags_o(rd1_flags), .rd1_ready_i(rd1_ready_i), .rd1_ready_o(rd1_ready_o), -      .rd2_data_o(rd2_dat), .rd2_flags_o(rd2_flags), .rd2_ready_i(rd2_ready_i), .rd2_ready_o(rd2_ready_o), -      .rd3_data_o(rd3_dat), .rd3_flags_o(rd3_flags), .rd3_ready_i(rd3_ready_i), .rd3_ready_o(rd3_ready_o) + +      .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0), + +      .status(status), .sys_int_o(buffer_int), .debug(router_debug), + +      .ser_inp_data({wr0_flags, wr0_dat}), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o), +      .dsp_inp_data({wr1_flags, wr1_dat}), .dsp_inp_valid(wr1_ready_i), .dsp_inp_ready(wr1_ready_o), +      .eth_inp_data({wr2_flags, wr2_dat}), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o), +      .err_inp_data(tx_err_data), .err_inp_ready(tx_err_dst_rdy), .err_inp_valid(tx_err_src_rdy), + +      .ser_out_data({rd0_flags, rd0_dat}), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i), +      .dsp_out_data({rd1_flags, rd1_dat}), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i), +      .eth_out_data({rd2_flags, rd2_dat}), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i)        ); -   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 @@ -378,23 +414,23 @@ module u2plus_core         cycle_count <= cycle_count + 1;     //compatibility number -> increment when the fpga has been sufficiently altered -   localparam compat_num = 32'd3; +   localparam compat_num = 32'd4;     wb_readback_mux buff_pool_status       (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),        .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack), -      .word00(status_b0),.word01(status_b1),.word02(status_b2),.word03(status_b3), -      .word04(status_b4),.word05(status_b5),.word06(status_b6),.word07(status_b7), +      .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0), +      .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0),        .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]), -      .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(status_enc),.word15(cycle_count) +      .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(32'b0),.word15(cycle_count)        );     // /////////////////////////////////////////////////////////////////////////     // Ethernet MAC  Slave #6     wire [18:0] 	 rx_f19_data, tx_f19_data; -   wire 	 rx_f19_src_rdy, rx_f19_dst_rdy, rx_f36_src_rdy, rx_f36_dst_rdy; +   wire 	 rx_f19_src_rdy, rx_f19_dst_rdy, tx_f19_src_rdy, tx_f19_dst_rdy;     simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19       (.clk125(clk_to_mac),  .reset(wb_rst), @@ -410,36 +446,38 @@ module u2plus_core        .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 +   wire [35:0] 	 rx_f36_data, tx_f36_data; +   wire 	 rx_f36_src_rdy, rx_f36_dst_rdy, tx_f36_src_rdy, tx_f36_dst_rdy; + +   wire [18:0] 	 _rx_f19_data; +   wire 	 _rx_f19_src_rdy, _rx_f19_dst_rdy; + +   //mac rx to eth input... +   fifo19_rxrealign fifo19_rxrealign       (.clk(dsp_clk), .reset(dsp_rst), .clear(0), -      .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) ); +      .datain(rx_f19_data), .src_rdy_i(rx_f19_src_rdy), .dst_rdy_o(rx_f19_dst_rdy), +      .dataout(_rx_f19_data), .src_rdy_o(_rx_f19_src_rdy), .dst_rdy_i(_rx_f19_dst_rdy) ); -   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 +   fifo19_to_fifo36 eth_inp_fifo19_to_fifo36       (.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)); +      .f19_datain(_rx_f19_data),  .f19_src_rdy_i(_rx_f19_src_rdy), .f19_dst_rdy_o(_rx_f19_dst_rdy), +      .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy), .f36_dst_rdy_i(rx_f36_dst_rdy) ); -   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), +      .datain(rx_f36_data), .src_rdy_i(rx_f36_src_rdy), .dst_rdy_o(rx_f36_dst_rdy),        .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o)); + +   //eth output to mac tx... +   fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo +     (.clk(dsp_clk), .reset(dsp_rst), .clear(0), +      .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), +      .dataout(tx_f36_data), .src_rdy_o(tx_f36_src_rdy), .dst_rdy_i(tx_f36_dst_rdy)); + +   fifo36_to_fifo19 eth_out_fifo36_to_fifo19 +     (.clk(dsp_clk), .reset(dsp_rst), .clear(0), +      .f36_datain(tx_f36_data),  .f36_src_rdy_i(tx_f36_src_rdy), .f36_dst_rdy_o(tx_f36_dst_rdy), +      .f19_dataout(tx_f19_data), .f19_src_rdy_o(tx_f19_src_rdy), .f19_dst_rdy_i(tx_f19_dst_rdy) );     // /////////////////////////////////////////////////////////////////////////     // Settings Bus -- Slave #7 @@ -471,6 +509,8 @@ module u2plus_core  				      .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()); +   setting_reg #(.my_addr(5),.width(1)) sr_bldr (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), +				      .in(set_data),.out(bldr_done),.changed());     // /////////////////////////////////////////////////////////////////////////     //  LEDS @@ -652,7 +692,8 @@ module u2plus_core     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))  +		   .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), diff --git a/fpga/usrp2/udp/prot_eng_tx.v b/fpga/usrp2/udp/prot_eng_tx.v index a18eb73ae..c642842f6 100644 --- a/fpga/usrp2/udp/prot_eng_tx.v +++ b/fpga/usrp2/udp/prot_eng_tx.v @@ -7,6 +7,8 @@  //            Odd means the last word is half full  //   Flags[1:0] is {eop, sop}  //   Protocol word format is: +//             21   UDP Source Port Here +//             20   UDP Dest Port Here  //             19   Last Header Line  //             18   IP Header Checksum XOR  //             17   IP Length Here @@ -34,28 +36,40 @@ module prot_eng_tx     assign dst_rdy_o 	 = dst_rdy_i & (do_payload | (state==0) | (state==1) | (state==30));     assign src_rdy_o 	 = src_rdy_i & ~((state==0) | (state==1) | (state==30)); -   localparam HDR_WIDTH  = 16 + 4;  // 16 bits plus flags +   localparam HDR_WIDTH  = 16 + 6;  // 16 bits plus flags     localparam HDR_LEN 	 = 32;      // Up to 64 bytes of protocol     // Store header values in a small dual-port (distributed) ram     reg [HDR_WIDTH-1:0] header_ram[0:HDR_LEN-1];     wire [HDR_WIDTH-1:0] header_word; -   reg [15:0]  chk_precompute; -    + +   reg [1:0] 		port_sel; +   reg [31:0] 		per_port_data[0:3]; +   reg [15:0] 		udp_src_port, udp_dst_port, chk_precompute; + +   always @(posedge clk) udp_src_port <= per_port_data[port_sel][31:16]; +   always @(posedge clk) udp_dst_port <= per_port_data[port_sel][15:0]; +     always @(posedge clk)       if(set_stb & ((set_addr & 8'hE0) == BASE)) -       begin -	  header_ram[set_addr[4:0]] <= set_data; -	  if(set_data[18]) -	    chk_precompute <= set_data[15:0]; -       end +       header_ram[set_addr[4:0]] <= set_data; + +   always @(posedge clk) +     if(set_stb & (set_addr == (BASE + 14))) +       chk_precompute <= set_data[15:0]; + +   always @(posedge clk) +     if(set_stb & ((set_addr & 8'hFC) == (BASE+24))) +       per_port_data[set_addr[1:0]] <= set_data; -   assign header_word = header_ram[state]; +   wire do_udp_src_port = header_word[21]; +   wire do_udp_dst_port = header_word[20]; +   wire last_hdr_line   = header_word[19]; +   wire do_ip_chk       = header_word[18]; +   wire do_ip_len       = header_word[17]; +   wire do_udp_len      = header_word[16]; -   wire last_hdr_line  = header_word[19]; -   wire ip_chk 	       = header_word[18]; -   wire ip_len 	       = header_word[17]; -   wire udp_len        = header_word[16]; +   assign header_word = header_ram[state];     // Protocol State Machine     reg [15:0] length; @@ -75,6 +89,7 @@ module prot_eng_tx  	   0 :  	     begin  		fast_path <= datain[0]; +		port_sel <= datain[2:1];  		state <= 1;  	     end  	   1 : @@ -113,15 +128,18 @@ module prot_eng_tx       checksum_reg <= checksum;     always @* -     if(ip_chk) -       //dataout_int 	<= header_word[15:0] ^ ip_length; +     if(do_payload) +       dataout_int 	<= datain[15:0]; +     else if(do_ip_chk)         dataout_int 	<= 16'hFFFF ^ checksum_reg; -     else if(ip_len) +     else if(do_ip_len)         dataout_int 	<= ip_length; -     else if(udp_len) +     else if(do_udp_len)         dataout_int 	<= udp_length; -     else if(do_payload) -       dataout_int 	<= datain[15:0]; +     else if(do_udp_src_port) +       dataout_int      <= udp_src_port; +     else if(do_udp_dst_port) +       dataout_int      <= udp_dst_port;       else         dataout_int 	<= header_word[15:0]; diff --git a/fpga/usrp2/udp/prot_eng_tx_tb.v b/fpga/usrp2/udp/prot_eng_tx_tb.v index e7ffeb5e1..c8fffe605 100644 --- a/fpga/usrp2/udp/prot_eng_tx_tb.v +++ b/fpga/usrp2/udp/prot_eng_tx_tb.v @@ -80,7 +80,7 @@ module prot_eng_tx_tb();        begin  	 count 	      <= 4;  	 src_rdy_f36i <= 1; -	 f36_data     <= 32'h0001_000c; +	 f36_data     <= 32'h0003_000c;  	 f36_sof      <= 1;  	 f36_eof      <= 0;  	 f36_occ      <= 0; @@ -140,16 +140,23 @@ module prot_eng_tx_tb();  	@(negedge rst);  	@(posedge clk);  	WriteSREG(BASE, {12'b0, 4'h0, 16'h0000}); -	WriteSREG(BASE+1, {12'b0, 4'h0, 16'h0000}); -	WriteSREG(BASE+2, {12'b0, 4'h0, 16'hABCD}); -	WriteSREG(BASE+3, {12'b0, 4'h0, 16'h1234}); -	WriteSREG(BASE+4, {12'b0, 4'h8, 16'h5678}); -	WriteSREG(BASE+5, {12'b0, 4'h0, 16'hABCD}); -	WriteSREG(BASE+6, {12'b0, 4'h0, 16'hABCD}); -	WriteSREG(BASE+7, {12'b0, 4'h0, 16'hABCD}); -	WriteSREG(BASE+8, {12'b0, 4'h0, 16'hABCD}); -	WriteSREG(BASE+9, {12'b0, 4'h0, 16'hABCD}); +	WriteSREG(BASE+1, {11'b0, 5'h00, 16'h0000}); +	WriteSREG(BASE+2, {11'b0, 5'h00, 16'hABCD}); +	WriteSREG(BASE+3, {11'b0, 5'h00, 16'h1234}); +	WriteSREG(BASE+4, {11'b0, 5'h00, 16'h5678}); +	WriteSREG(BASE+5, {11'b0, 5'h00, 16'hF00D}); +	WriteSREG(BASE+6, {11'b0, 5'h00, 16'hBEEF}); +	WriteSREG(BASE+7, {11'b0, 5'h10, 16'hDCBA}); +	WriteSREG(BASE+8, {11'b0, 5'h00, 16'h4321}); +	WriteSREG(BASE+9, {11'b0, 5'h04, 16'hABCD}); +	WriteSREG(BASE+10, {11'b0, 5'h08, 16'hABCD});  	@(posedge clk); +	 +	WriteSREG(BASE+24, 16'h6666); +	WriteSREG(BASE+25, 16'h7777); +	WriteSREG(BASE+26, 16'h8888); +	WriteSREG(BASE+27, 16'h9999); +	  	PutPacketInFIFO36(32'hA0B0C0D0,16);  	@(posedge clk);  	@(posedge clk); diff --git a/fpga/usrp2/vrt/gen_context_pkt.v b/fpga/usrp2/vrt/gen_context_pkt.v index 44bb7b548..cc34cceed 100644 --- a/fpga/usrp2/vrt/gen_context_pkt.v +++ b/fpga/usrp2/vrt/gen_context_pkt.v @@ -1,7 +1,8 @@  module gen_context_pkt -  #(parameter PROT_ENG_FLAGS=1) +  #(parameter PROT_ENG_FLAGS=1, +    parameter DSP_NUMBER=0)     (input clk, input reset, input clear,      input trigger, output sent,      input [31:0] streamid, @@ -67,10 +68,10 @@ module gen_context_pkt         endcase // case (ctxt_state)     assign src_rdy_int = ~( (ctxt_state == CTXT_IDLE) | (ctxt_state == CTXT_DONE) ); -    +     always @*       case(ctxt_state) -       CTXT_PROT_ENG : data_int <= { 2'b01, 16'd1, 16'd28 }; +       CTXT_PROT_ENG : data_int <= { 2'b01, 13'b0, DSP_NUMBER[0], 1'b1, 1'b1, 16'd28 }; // UDP port 1 or 3         CTXT_HEADER : data_int <= { 1'b0, (PROT_ENG_FLAGS ? 1'b0 : 1'b1), 12'b010100001101, seqno, 16'd7 };         CTXT_STREAMID : data_int <= { 2'b00, streamid };         CTXT_SECS : data_int <= { 2'b00, err_time[63:32] }; diff --git a/fpga/usrp2/vrt/vita_tx_chain.v b/fpga/usrp2/vrt/vita_tx_chain.v index 2ec78189b..6f567668d 100644 --- a/fpga/usrp2/vrt/vita_tx_chain.v +++ b/fpga/usrp2/vrt/vita_tx_chain.v @@ -5,7 +5,8 @@ module vita_tx_chain      parameter REPORT_ERROR=0,      parameter DO_FLOW_CONTROL=0,      parameter PROT_ENG_FLAGS=0, -    parameter USE_TRANS_HEADER=0) +    parameter USE_TRANS_HEADER=0, +    parameter DSP_NUMBER=0)     (input clk, input reset,      input set_stb, input [7:0] set_addr, input [31:0] set_data,      input [63:0] vita_time, @@ -71,7 +72,7 @@ module vita_tx_chain     wire [35:0] 		flow_data, err_data_int;     wire 		flow_src_rdy, flow_dst_rdy, err_src_rdy_int, err_dst_rdy_int; -   gen_context_pkt #(.PROT_ENG_FLAGS(PROT_ENG_FLAGS)) gen_flow_pkt +   gen_context_pkt #(.PROT_ENG_FLAGS(PROT_ENG_FLAGS),.DSP_NUMBER(DSP_NUMBER)) gen_flow_pkt       (.clk(clk), .reset(reset), .clear(clear_vita),        .trigger(trigger & (DO_FLOW_CONTROL==1)), .sent(),         .streamid(streamid), .vita_time(vita_time), .message(32'd0), @@ -82,7 +83,7 @@ module vita_tx_chain        .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),        .packet_consumed(packet_consumed), .trigger(trigger)); -   gen_context_pkt #(.PROT_ENG_FLAGS(PROT_ENG_FLAGS)) gen_tx_err_pkt +   gen_context_pkt #(.PROT_ENG_FLAGS(PROT_ENG_FLAGS),.DSP_NUMBER(DSP_NUMBER)) gen_tx_err_pkt       (.clk(clk), .reset(reset), .clear(clear_vita),        .trigger((error|ack) & (REPORT_ERROR==1)), .sent(),         .streamid(streamid), .vita_time(vita_time), .message(message), | 
