diff options
23 files changed, 4958 insertions, 1214 deletions
diff --git a/fpga/usrp2/control_lib/Makefile.srcs b/fpga/usrp2/control_lib/Makefile.srcs index 0bb9a3efe..42862a50f 100644 --- a/fpga/usrp2/control_lib/Makefile.srcs +++ b/fpga/usrp2/control_lib/Makefile.srcs @@ -57,4 +57,5 @@ gpio_atr.v \ user_settings.v \ settings_fifo_ctrl.v \ simple_spi_core.v \ +simple_i2c_core.v \ )) diff --git a/fpga/usrp2/control_lib/settings_fifo_ctrl.v b/fpga/usrp2/control_lib/settings_fifo_ctrl.v index 82651e776..37f11776e 100644 --- a/fpga/usrp2/control_lib/settings_fifo_ctrl.v +++ b/fpga/usrp2/control_lib/settings_fifo_ctrl.v @@ -19,6 +19,7 @@ module settings_fifo_ctrl #( + parameter XPORT_HDR = 1, //extra transport hdr line parameter PROT_DEST = 0, //protocol framer destination parameter PROT_HDR = 1, //needs a protocol header? parameter ACK_SID = 0 //stream ID for packet ACK @@ -120,6 +121,8 @@ module settings_fifo_ctrl localparam WAIT_EOF = 10; localparam STORE_CMD = 11; + localparam START_STATE = (XPORT_HDR)? READ_LINE0 : VITA_HDR; + reg [4:0] in_state; //holdover from current read inputs @@ -140,13 +143,13 @@ module settings_fifo_ctrl always @(posedge clock) begin if (reset) begin - in_state <= READ_LINE0; + in_state <= START_STATE; end else begin case (in_state) READ_LINE0: begin - if (reading/* && in_data[32]*/) in_state <= VITA_HDR; + if (reading) in_state <= VITA_HDR; end VITA_HDR: begin @@ -216,7 +219,7 @@ module settings_fifo_ctrl end STORE_CMD: begin - if (~command_fifo_full) in_state <= READ_LINE0; + if (~command_fifo_full) in_state <= START_STATE; end endcase //in_state diff --git a/fpga/usrp2/control_lib/simple_i2c_core.v b/fpga/usrp2/control_lib/simple_i2c_core.v new file mode 100644 index 000000000..9c61de8fb --- /dev/null +++ b/fpga/usrp2/control_lib/simple_i2c_core.v @@ -0,0 +1,116 @@ +// +// Copyright 2012 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +// Simple I2C core + +// Settings reg map: +// +// BASE+0 control register +// byte0 - control bits, data byte, or command bits, prescaler +// byte1 - what to do? (documented in cpp file) +// write prescaler lo +// write prescaler hi +// write control +// write data +// write command +// read data +// read status +// + +// Readback: +// +// byte0 has readback value based on the last read command +// + +module simple_i2c_core + #( + //settings register base address + parameter BASE = 0, + + //i2c line level at reset + parameter ARST_LVL = 1 + ) + ( + //clock and synchronous reset + input clock, input reset, + + //32-bit settings bus inputs + input set_stb, input [7:0] set_addr, input [31:0] set_data, + + //32-bit data readback + output reg [31:0] readback, + + //read is high when i2c core can begin another transaction + output reg ready, + + // I2C signals + // i2c clock line + input scl_pad_i, // SCL-line input + output scl_pad_o, // SCL-line output (always 1'b0) + output scl_padoen_o, // SCL-line output enable (active low) + + // i2c data line + input sda_pad_i, // SDA-line input + output sda_pad_o, // SDA-line output (always 1'b0) + output sda_padoen_o, // SDA-line output enable (active low) + + //optional debug output + output [31:0] debug + ); + + //declare command settings register + wire [7:0] sr_what, sr_data; + wire sr_changed; + setting_reg #(.my_addr(BASE+0),.width(16)) i2c_cmd_sr( + .clk(clock),.rst(reset),.strobe(set_stb),.addr(set_addr),.in(set_data), + .out({sr_what, sr_data}),.changed(sr_changed)); + + //declare wb interface signals + wire [2:0] wb_addr; + wire [7:0] wb_data_mosi; + wire [7:0] wb_data_miso; + wire wb_we, wb_stb, wb_cyc; + wire wb_ack; + + //create wishbone-based i2c core + i2c_master_top #(.ARST_LVL(ARST_LVL)) i2c + (.wb_clk_i(clock),.wb_rst_i(reset),.arst_i(1'b0), + .wb_adr_i(wb_addr),.wb_dat_i(wb_data_mosi),.wb_dat_o(wb_data_miso), + .wb_we_i(wb_we),.wb_stb_i(wb_stb),.wb_cyc_i(wb_cyc), + .wb_ack_o(wb_ack),.wb_inta_o(), + .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_padoen_o), + .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_padoen_o) ); + + //not ready between setting register and wishbone ack + always @(posedge clock) begin + if (reset || wb_ack) ready <= 1; + else if (sr_changed) ready <= 0; + end + + //register wishbone data on every ack + always @(posedge clock) begin + if (wb_ack) readback <= {24'b0, wb_data_miso}; + end + + //assign wishbone signals + assign wb_addr = sr_what[2:0]; + assign wb_stb = sr_changed; + assign wb_we = wb_stb && sr_what[3]; + assign wb_cyc = wb_stb; + assign wb_data_mosi = sr_data; + +endmodule //simple_i2c_core diff --git a/fpga/usrp2/fifo/Makefile.srcs b/fpga/usrp2/fifo/Makefile.srcs index 6cbd5cd3f..55ba0be2a 100644 --- a/fpga/usrp2/fifo/Makefile.srcs +++ b/fpga/usrp2/fifo/Makefile.srcs @@ -1,5 +1,5 @@ # -# Copyright 2010 Ettus Research LLC +# Copyright 2010-2012 Ettus Research LLC # ################################################## @@ -38,4 +38,5 @@ packet_generator.v \ packet_verifier32.v \ packet_verifier.v \ fifo19_pad.v \ +packet_padder36.v \ )) diff --git a/fpga/usrp2/fifo/packet_padder36.v b/fpga/usrp2/fifo/packet_padder36.v new file mode 100644 index 000000000..7197b5ea5 --- /dev/null +++ b/fpga/usrp2/fifo/packet_padder36.v @@ -0,0 +1,155 @@ +// +// Copyright 2011-2012 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +// The packet padder 36 for use with RX VITA stream output. +// Packet padder understands the concept of USB LUTs, +// and will forward packets through the interface, +// adding zero padding as needed to properly flush. +// The padder will never write a packet across a LUT boundary. +// When flushing, padder writes out zeros until the LUT boundary. +// Requires that the input line0 be a VITA header, and SOF set. +// Flush when the LUT is partially filled and timeout is reached, +// or when the LUT is partially filled and the DSP is inactive. + +module packet_padder36 +#( + parameter BASE = 0, + + //default is 16K LUT + parameter DEFAULT_LINES32 = 4096, + + //default about 1ms at 64MHz clock + parameter DEFAULT_IDLE_CYC = 65536 +) +( + input clk, input reset, + + //setting bus + input set_stb, input [7:0] set_addr, input [31:0] set_data, + + //input interface + input [35:0] data_i, + input src_rdy_i, + output dst_rdy_o, + + //output interface + output [35:0] data_o, + output src_rdy_o, + input dst_rdy_i, + + input always_flush +); + + wire lut_lines_changed; + wire [15:0] max_lut_lines32; + setting_reg #(.my_addr(BASE+0),.width(16),.at_reset(DEFAULT_LINES32)) sr_num_lines( + .clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr),.in(set_data), + .out(max_lut_lines32),.changed(lut_lines_changed)); + + wire idle_cyc_changed; + wire [17:0] idle_flush_cycles; + setting_reg #(.my_addr(BASE+1),.width(18),.at_reset(DEFAULT_IDLE_CYC)) sr_flush_cyc( + .clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr),.in(set_data), + .out(idle_flush_cycles),.changed(idle_cyc_changed)); + + //state machine definitions + localparam STATE_READ_HDR = 0; + localparam STATE_WRITE_HDR = 1; + localparam STATE_FORWARD = 2; + localparam STATE_WRITE_PAD = 3; + reg [1:0] state; + + //keep track of the outgoing lines + reg [15:0] line_count; + wire line_count_done = line_count == 1; + wire lut_is_empty = line_count == max_lut_lines32; + always @(posedge clk) begin + if (reset || lut_lines_changed) begin + line_count <= max_lut_lines32; + end + else if (src_rdy_o && dst_rdy_i) begin + line_count <= (line_count_done)? max_lut_lines32 : line_count - 1; + end + end + + //count the number of cycles since RX data so we can force a flush + reg [17:0] non_rx_cycles; + wire idle_timeout = (non_rx_cycles == idle_flush_cycles); + always @(posedge clk) begin + if(reset || state != STATE_READ_HDR || idle_cyc_changed) begin + non_rx_cycles <= 0; + end + else if (~idle_timeout) begin + non_rx_cycles <= non_rx_cycles + 1; + end + end + + //flush when we have written data to a LUT and either idle or non active DSP + wire force_flush = ~lut_is_empty && (idle_timeout || always_flush); + + //the padding state machine + reg [31:0] vita_hdr; + reg has_vita_hdr; + always @(posedge clk) begin + if (reset) begin + state <= STATE_READ_HDR; + end + else case(state) + + STATE_READ_HDR: begin + if (src_rdy_i && dst_rdy_o && data_i[32]) begin + vita_hdr <= data_i[31:0]; + has_vita_hdr <= 1; + state <= (data_i[15:0] > line_count)? state <= STATE_WRITE_PAD : STATE_WRITE_HDR; + end + else if (force_flush) begin + has_vita_hdr <= 0; + state <= STATE_WRITE_PAD; + end + end + + STATE_WRITE_HDR: begin + if (src_rdy_o && dst_rdy_i) begin + state <= STATE_FORWARD; + end + end + + STATE_FORWARD: begin + if (src_rdy_i && dst_rdy_o && data_i[33]) begin + state <= STATE_READ_HDR; + end + end + + STATE_WRITE_PAD: begin + if (src_rdy_o && dst_rdy_i && line_count_done) begin + state <= (has_vita_hdr)? STATE_WRITE_HDR : STATE_READ_HDR; + end + end + + endcase //state + end + + //assign outgoing signals + assign dst_rdy_o = (state == STATE_READ_HDR)? 1 : ((state == STATE_FORWARD)? dst_rdy_i : 0); + assign src_rdy_o = (state == STATE_WRITE_HDR || state == STATE_WRITE_PAD)? 1 : ((state == STATE_FORWARD )? src_rdy_i : 0); + assign data_o = (state == STATE_WRITE_HDR)? {4'b0001, vita_hdr} : ((state == STATE_FORWARD)? data_i : 0); + +endmodule // packet_padder36 + + + + diff --git a/fpga/usrp2/gpif/Makefile.srcs b/fpga/usrp2/gpif/Makefile.srcs index 524e3660d..7909fb5ff 100644 --- a/fpga/usrp2/gpif/Makefile.srcs +++ b/fpga/usrp2/gpif/Makefile.srcs @@ -8,4 +8,6 @@ GPIF_SRCS = $(abspath $(addprefix $(BASE_DIR)/../gpif/, \ packet_reframer.v \ slave_fifo.v \ +fifo36_to_gpmc16.v \ +gpmc16_to_fifo36.v \ )) diff --git a/fpga/usrp2/gpif/fifo36_to_gpmc16.v b/fpga/usrp2/gpif/fifo36_to_gpmc16.v new file mode 100644 index 000000000..508cd319c --- /dev/null +++ b/fpga/usrp2/gpif/fifo36_to_gpmc16.v @@ -0,0 +1,54 @@ +// +// Copyright 2012 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +module fifo36_to_gpmc16 +#( + parameter FIFO_SIZE = 9 +) +( + //input fifo interface + input fifo_clk, input fifo_rst, + input [35:0] in_data, + input in_src_rdy, + output in_dst_rdy, + + //output interface + input gpif_clk, input gpif_rst, + output [15:0] out_data, + output valid, + input enable, + output eof +); + + wire [35:0] data_int; + wire src_rdy_int, dst_rdy_int; + + fifo_2clock_cascade #(.WIDTH(36), .SIZE(FIFO_SIZE)) fifo_2clk + (.wclk(fifo_clk), .datain(in_data), .src_rdy_i(in_src_rdy), .dst_rdy_o(in_dst_rdy), .space(), + .rclk(gpif_clk), .dataout(data_int), .src_rdy_o(src_rdy_int), .dst_rdy_i(dst_rdy_int), .occupied(), + .arst(fifo_rst | gpif_rst)); + + wire [18:0] data18_int; + fifo36_to_fifo19 #(.LE(1)) f36_to_f19 + (.clk(gpif_clk), .reset(gpif_rst), .clear(1'b0), + .f36_datain(data_int), .f36_src_rdy_i(src_rdy_int), .f36_dst_rdy_o(dst_rdy_int), + .f19_dataout(data18_int), .f19_src_rdy_o(valid), .f19_dst_rdy_i(enable) ); + + assign out_data = data18_int[15:0]; + assign eof = data18_int[17]; + +endmodule //fifo_to_gpmc16 diff --git a/fpga/usrp2/gpif/gpmc16_to_fifo36.v b/fpga/usrp2/gpif/gpmc16_to_fifo36.v new file mode 100644 index 000000000..933891715 --- /dev/null +++ b/fpga/usrp2/gpif/gpmc16_to_fifo36.v @@ -0,0 +1,64 @@ +// +// Copyright 2012 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +module gpmc16_to_fifo36 +#( + parameter FIFO_SIZE = 9, + + //not ready until minimum xfers of space available + parameter MIN_SPACE16 = 128 +) +( + //input interface + input gpif_clk, input gpif_rst, + input [15:0] in_data, + input valid, + output reg ready, + + //output fifo interface + input fifo_clk, input fifo_rst, + output [35:0] out_data, + output out_src_rdy, + input out_dst_rdy +); + + wire [35:0] data_int; + wire src_rdy_int, dst_rdy_int; + wire [18:0] refr_data; + wire refr_src_rdy, refr_dst_rdy; + + wire [15:0] fifo_space; + + always @(posedge gpif_clk) + ready <= (fifo_space >= MIN_SPACE16/2); + + packet_reframer packet_reframer + (.clk(gpif_clk), .reset(gpif_rst), .clear(1'b0), + .data_i(in_data), .src_rdy_i(valid), .dst_rdy_o(), + .data_o(refr_data), .src_rdy_o(refr_src_rdy), .dst_rdy_i(refr_dst_rdy)); + + fifo19_to_fifo36 #(.LE(1)) f19_to_f36 + (.clk(gpif_clk), .reset(gpif_rst), .clear(1'b0), + .f19_datain(refr_data), .f19_src_rdy_i(refr_src_rdy), .f19_dst_rdy_o(refr_dst_rdy), + .f36_dataout(data_int), .f36_src_rdy_o(src_rdy_int), .f36_dst_rdy_i(dst_rdy_int)); + + fifo_2clock_cascade #(.WIDTH(36), .SIZE(FIFO_SIZE)) fifo_2clk + (.wclk(gpif_clk), .datain(data_int), .src_rdy_i(src_rdy_int), .dst_rdy_o(dst_rdy_int), .space(fifo_space), + .rclk(fifo_clk), .dataout(out_data), .src_rdy_o(out_src_rdy), .dst_rdy_i(out_dst_rdy), .occupied(), + .arst(fifo_rst | gpif_rst)); + +endmodule //fifo_to_gpmc16 diff --git a/fpga/usrp2/gpif/slave_fifo.v b/fpga/usrp2/gpif/slave_fifo.v index d1a0a027b..0f301f8a6 100644 --- a/fpga/usrp2/gpif/slave_fifo.v +++ b/fpga/usrp2/gpif/slave_fifo.v @@ -20,85 +20,70 @@ //this is a FIFO master interface for the FX2 in "slave fifo" mode. module slave_fifo - #(parameter TXFIFOSIZE = 12, parameter RXFIFOSIZE = 12) + #( + //how many cycles max in a transfer state + parameter DATA_XFER_COUNT = 256, + parameter CTRL_XFER_COUNT = 32, + + //sizes for fifo36 2 clock cascade fifos + parameter DATA_RX_FIFO_SIZE = 9, + parameter DATA_TX_FIFO_SIZE = 9, + parameter CTRL_RX_FIFO_SIZE = 9, + parameter CTRL_TX_FIFO_SIZE = 9 + ) (// GPIF signals input gpif_clk, input gpif_rst, inout [15:0] gpif_d, input [3:0] gpif_ctl, - output sloe, output slrd, output slwr, output pktend, output [1:0] fifoadr, - - // Wishbone signals - input wb_clk, input wb_rst, - output [15:0] wb_adr_o, output [15:0] wb_dat_mosi, input [15:0] wb_dat_miso, - output [1:0] wb_sel_o, output wb_cyc_o, output wb_stb_o, output wb_we_o, input wb_ack_i, - input [7:0] triggers, - - input dsp_rx_run, - + output reg sloe, output reg slrd, output reg slwr, output reg pktend, output reg [1:0] fifoadr, + // FIFO interface - input fifo_clk, input fifo_rst, input clear_tx, input clear_rx, - output [35:0] tx_data_o, output tx_src_rdy_o, input tx_dst_rdy_i, - input [35:0] rx_data_i, input rx_src_rdy_i, output rx_dst_rdy_o, - input [35:0] tx_err_data_i, input tx_err_src_rdy_i, output tx_err_dst_rdy_o, - output tx_underrun, output rx_overrun, - - input [15:0] test_len, input [7:0] test_rate, input [3:0] test_ctrl, - output [31:0] debug0, output [31:0] debug1 + input fifo_clk, input fifo_rst, + output [35:0] tx_data, output tx_src_rdy, input tx_dst_rdy, + input [35:0] rx_data, input rx_src_rdy, output rx_dst_rdy, + output [35:0] ctrl_data, output ctrl_src_rdy, input ctrl_dst_rdy, + input [35:0] resp_data, input resp_src_rdy, output resp_dst_rdy, + + output [31:0] debug ); - reg FX2_DE, FX2_CE, FX2_DF, FX2_CF; + wire FX2_DE_pre = ~gpif_ctl[0]; //EP2 FX2 FIFO empty (FLAGA) + wire FX2_CE_pre = ~gpif_ctl[1]; //EP4 FX2 FIFO empty (FLAGB) + wire FX2_DF_pre = ~gpif_ctl[2]; //EP6 FX2 FIFO full (FLAGC) + wire FX2_CF_pre = ~gpif_ctl[3]; //EP8 FX2 FIFO full (FLAGD) - // inputs to FPGA (all active low) + reg FX2_DE, FX2_CE, FX2_DF, FX2_CF; always @(posedge gpif_clk) begin - FX2_DE <= ~gpif_ctl[0]; //EP2 FX2 FIFO empty (FLAGA) - FX2_CE <= ~gpif_ctl[1]; //EP4 FX2 FIFO empty (FLAGB) - FX2_DF <= ~gpif_ctl[2]; //EP6 FX2 FIFO full (FLAGC) - FX2_CF <= ~gpif_ctl[3]; //EP8 FX2 FIFO full (FLAGD) + FX2_DE <= FX2_DE_pre; //EP2 FX2 FIFO empty (FLAGA) + FX2_CE <= FX2_CE_pre; //EP4 FX2 FIFO empty (FLAGB) + FX2_DF <= FX2_DF_pre; //EP6 FX2 FIFO full (FLAGC) + FX2_CF <= FX2_CF_pre; //EP8 FX2 FIFO full (FLAGD) end - wire [17:0] gpif_d_out_ctrl, gpif_d_out_data, gpif_d_out; + wire [15:0] gpif_d_out_ctrl, gpif_d_out_data; + reg [15:0] gpif_d_out, gpif_d_in; // //////////////////////////////////////////////////////////////////// // GPIF bus master state machine - //transfer size for GPIF data. this can be anything really, it's specified only for - //fairness in bus sharing. 256 lines is 512 bytes over the wire, half the size of - //the double buffers in B100/B150. this should probably be a toplevel parameter or even - //a settings register value. - localparam data_transfer_size = 256; - localparam ctrl_transfer_size = 16; //probably unnecessary since ctrl xfers won't back up - - // state machine i/o to four fifos - //tx - wire ctrl_tx_dst_rdy; //sm input, ctrl tx path has space - wire ctrl_tx_src_rdy; //sm output, ctrl tx path enable - wire data_tx_dst_rdy; //sm input, data tx path has space - wire data_tx_src_rdy; //sm output, data tx path enable - - //rx - wire ctrl_rx_dst_rdy; //sm output, ctrl rx path enable - wire ctrl_rx_src_rdy; //sm input, ctrl rx path has space - wire data_rx_dst_rdy; //sm output, data rx path enable - wire data_rx_src_rdy; //sm input, data rx path has space - - reg tx_data_enough_space; + wire rx_valid, resp_valid; + reg tx_valid, ctrl_valid; + wire tx_ready, ctrl_ready; + reg rx_enable, resp_enable; reg [9:0] transfer_count; //number of lines (a line is 16 bits) in active transfer - reg pktend_latch; - reg [3:0] state; //state machine current state localparam STATE_IDLE = 0; - localparam STATE_DATA_RX = 5; + localparam STATE_THINK = 1; + localparam STATE_DATA_RX = 2; localparam STATE_DATA_TX = 3; - localparam STATE_CTRL_RX = 6; - localparam STATE_CTRL_TX = 9; - localparam STATE_DATA_TX_SLOE = 2; - localparam STATE_CTRL_TX_SLOE = 8; - localparam STATE_DATA_RX_ADR = 1; - localparam STATE_CTRL_RX_ADR = 4; - localparam STATE_PKTEND_ADR = 10; - localparam STATE_PKTEND = 7; + localparam STATE_CTRL_RX = 4; + localparam STATE_CTRL_TX = 5; + localparam STATE_DATA_TX_SLOE = 6; + localparam STATE_CTRL_TX_SLOE = 7; + localparam STATE_DATA_RX_ADR = 8; + localparam STATE_CTRL_RX_ADR = 9; //logs the last bus user for xfer fairness //we only care about data rx vs. tx since ctrl pkts are so short @@ -106,384 +91,184 @@ module slave_fifo localparam BUS_HOG_RX = 0; localparam BUS_HOG_TX = 1; - //count the number of cycles since RX data so we can force a flush - reg [17:0] non_rx_cycles; - localparam rx_idle_flush_cycles = 65536; //about 1ms at 64MHz clock - always @(posedge gpif_clk) begin - if(gpif_rst || state == STATE_DATA_RX || state == STATE_PKTEND) - non_rx_cycles <= 0; - else if (non_rx_cycles != rx_idle_flush_cycles) - non_rx_cycles <= non_rx_cycles + 1; - end - - //when should we flush aka pktend? - //pktend_latch tells us that its ok to flush -> we just had an RX xfer with EOF - //the RX DSP not running or a cycle counter gives us the flushing response dynamic - wire rx_data_flush = (~dsp_rx_run || non_rx_cycles == rx_idle_flush_cycles) && pktend_latch; + wire resp_eof; + reg [1:0] idle_count; // ////////////////////////////////////////////////////////////// // FX2 slave FIFO bus master state machine // - always @(posedge gpif_clk) - if(gpif_rst) begin - state <= STATE_IDLE; - pktend_latch <= 0; - end - else - begin - case (state) - STATE_IDLE: - begin - transfer_count <= 0; - //handle transitions to other states - if(ctrl_tx_dst_rdy & ~FX2_CE) //if there's room in the ctrl fifo and the FX2 has ctrl data - state <= STATE_CTRL_TX_SLOE; - else if(ctrl_rx_src_rdy & ~FX2_CF) //if the ctrl fifo has data and the FX2 isn't full - state <= STATE_CTRL_RX_ADR; - else if(data_tx_dst_rdy & ~FX2_DE & last_data_bus_hog == BUS_HOG_RX & tx_data_enough_space) //if there's room in the data fifo and the FX2 has data - state <= STATE_DATA_TX_SLOE; - else if(data_rx_src_rdy & ~FX2_DF & last_data_bus_hog == BUS_HOG_TX) //if the data fifo has data and the FX2 isn't full - state <= STATE_DATA_RX_ADR; - else if(data_tx_dst_rdy & ~FX2_DE & tx_data_enough_space) - state <= STATE_DATA_TX_SLOE; - else if(data_rx_src_rdy & ~FX2_DF) - state <= STATE_DATA_RX_ADR; - else if(rx_data_flush & ~FX2_DF) - state <= STATE_PKTEND_ADR; - end - - STATE_DATA_TX_SLOE: //just to assert SLOE one cycle before SLRD - state <= STATE_DATA_TX; - STATE_CTRL_TX_SLOE: - state <= STATE_CTRL_TX; - - STATE_DATA_RX_ADR: //just to assert FIFOADR one cycle before SLWR - state <= STATE_DATA_RX; - STATE_CTRL_RX_ADR: - state <= STATE_CTRL_RX; - - STATE_DATA_RX: - begin - if(data_rx_src_rdy && data_rx_dst_rdy) begin - transfer_count <= transfer_count + 1; - pktend_latch <= gpif_d_out_data[17]; //ok to do pkt end when we complete with EOF - end - else - state <= STATE_IDLE; - last_data_bus_hog <= BUS_HOG_RX; - end - - STATE_PKTEND_ADR: - begin - state <= STATE_PKTEND; - end - - STATE_PKTEND: - begin - state <= STATE_IDLE; - pktend_latch <= 0; - end - - STATE_DATA_TX: - begin - if(data_tx_dst_rdy && data_tx_src_rdy) - transfer_count <= transfer_count + 1; - else - state <= STATE_IDLE; - last_data_bus_hog <= BUS_HOG_TX; - end - STATE_CTRL_RX: - begin - if(ctrl_rx_src_rdy && ctrl_rx_dst_rdy) - transfer_count <= transfer_count + 1; - else - state <= STATE_IDLE; - end - STATE_CTRL_TX: - begin - if(ctrl_tx_dst_rdy && ctrl_tx_src_rdy) - transfer_count <= transfer_count + 1; - else - state <= STATE_IDLE; - end - endcase + always @(posedge gpif_clk) + if(gpif_rst) begin + state <= STATE_IDLE; + sloe <= 1; + slrd <= 1; + slwr <= 1; + pktend <= 1; + rx_enable <= 0; + tx_valid <= 0; + ctrl_valid <= 0; + resp_enable <= 0; + idle_count <= 0; + end + else case (state) + STATE_IDLE: begin + transfer_count <= 0; + sloe <= 1; + slrd <= 1; + slwr <= 1; + pktend <= 1; + rx_enable <= 0; + tx_valid <= 0; + ctrl_valid <= 0; + resp_enable <= 0; + if (idle_count == 2'b11) state <= STATE_THINK; + idle_count <= idle_count + 1; + end + + STATE_THINK: begin + + idle_count <= 0; + + //handle transitions to other states + if(ctrl_ready & ~FX2_CE) begin //if there's room in the ctrl fifo and the FX2 has ctrl data + state <= STATE_CTRL_TX_SLOE; + fifoadr <= 2'b01; + sloe <= 0; end + else if(resp_valid & ~FX2_CF) begin //if the ctrl fifo has data and the FX2 isn't full + state <= STATE_CTRL_RX_ADR; + fifoadr <= 2'b11; + end + else if(tx_ready & ~FX2_DE & last_data_bus_hog == BUS_HOG_RX) begin //if there's room in the data fifo and the FX2 has data + state <= STATE_DATA_TX_SLOE; + last_data_bus_hog <= BUS_HOG_TX; + fifoadr <= 2'b00; + sloe <= 0; + end + else if(rx_valid & ~FX2_DF & last_data_bus_hog == BUS_HOG_TX) begin //if the data fifo has data and the FX2 isn't full + state <= STATE_DATA_RX_ADR; + last_data_bus_hog <= BUS_HOG_RX; + fifoadr <= 2'b10; + end + else if(tx_ready & ~FX2_DE) begin + state <= STATE_DATA_TX_SLOE; + last_data_bus_hog <= BUS_HOG_TX; + fifoadr <= 2'b00; + sloe <= 0; + end + else if(rx_valid & ~FX2_DF) begin + state <= STATE_DATA_RX_ADR; + last_data_bus_hog <= BUS_HOG_RX; + fifoadr <= 2'b10; + end + end + + STATE_DATA_TX_SLOE: begin //just to assert SLOE one cycle before SLRD + state <= STATE_DATA_TX; + slrd <= 0; + end - // /////////////////////////////////////////////////////////////////// - // fifo signal assignments and enables + STATE_CTRL_TX_SLOE: begin + state <= STATE_CTRL_TX; + slrd <= 0; + end - //enable fifos - assign data_rx_dst_rdy = (state == STATE_DATA_RX) && ~FX2_DF && (transfer_count != data_transfer_size); - assign data_tx_src_rdy = (state == STATE_DATA_TX) && ~FX2_DE && (transfer_count != data_transfer_size); - assign ctrl_rx_dst_rdy = (state == STATE_CTRL_RX) && ~FX2_CF; - assign ctrl_tx_src_rdy = (state == STATE_CTRL_TX) && ~FX2_CE; + STATE_DATA_RX_ADR: begin //just to assert FIFOADR one cycle before SLWR + state <= STATE_DATA_RX; + rx_enable <= 1; + end - //framing for TX ctrl packets - wire sop_ctrl, eop_ctrl; - assign sop_ctrl = (transfer_count == 0); - assign eop_ctrl = (transfer_count == (ctrl_transfer_size-1)); + STATE_CTRL_RX_ADR: begin + state <= STATE_CTRL_RX; + resp_enable <= 1; + end + + STATE_DATA_RX: begin + if (FX2_DF_pre || ~rx_valid || transfer_count == DATA_XFER_COUNT-1) begin + state <= STATE_IDLE; + rx_enable <= 0; + end + gpif_d_out <= gpif_d_out_data; + slwr <= ~rx_valid; + transfer_count <= transfer_count + 1; + end + + STATE_DATA_TX: begin + if (FX2_DE_pre || transfer_count == DATA_XFER_COUNT-1) begin + state <= STATE_IDLE; + slrd <= 1; + end + gpif_d_in <= gpif_d; + tx_valid <= 1; + transfer_count <= transfer_count + 1; + end + + STATE_CTRL_RX: begin + if (FX2_CF_pre || ~resp_valid || resp_eof || transfer_count == CTRL_XFER_COUNT-1) begin + state <= STATE_IDLE; + resp_enable <= 0; + end + pktend <= ~resp_eof; + gpif_d_out <= gpif_d_out_ctrl; + slwr <= ~resp_valid; + transfer_count <= transfer_count + 1; + end + + STATE_CTRL_TX: begin + if (FX2_CE_pre || transfer_count == CTRL_XFER_COUNT-1) begin + state <= STATE_IDLE; + slrd <= 1; + end + gpif_d_in <= gpif_d; + ctrl_valid <= 1; + transfer_count <= transfer_count + 1; + end + endcase - // //////////////////////////////////////////////////////////////////// - // set GPIF pins - - //set fifoadr to the appropriate endpoint - // {0,0}: EP2, data TX from host - // {0,1}: EP4, ctrl TX from host - // {1,0}: EP6, data RX to host - // {1,1}: EP8, ctrl RX to host - assign fifoadr = {(state == STATE_DATA_RX) | (state == STATE_CTRL_RX) | (state == STATE_DATA_RX_ADR) | (state == STATE_CTRL_RX_ADR) | (state == STATE_PKTEND) | (state == STATE_PKTEND_ADR), - (state == STATE_CTRL_RX) | (state == STATE_CTRL_RX_ADR) | (state == STATE_CTRL_TX) | (state == STATE_CTRL_TX_SLOE)}; - //set sloe, slwr, slrd (all active low) - //SLOE gets asserted when we want data from the FX2; i.e., TX mode - assign sloe = ~{(state == STATE_DATA_TX) | (state == STATE_CTRL_TX) | (state == STATE_DATA_TX_SLOE) | (state == STATE_CTRL_TX_SLOE)}; - //"read" and "write" here are from the master's point of view; - //so "read" means "transmit" and "write" means "receive" - assign slwr = ~{(data_rx_src_rdy && data_rx_dst_rdy) || (ctrl_rx_src_rdy && ctrl_rx_dst_rdy)}; - assign slrd = ~{(data_tx_src_rdy && data_tx_dst_rdy) || (ctrl_tx_src_rdy && ctrl_tx_dst_rdy)}; - - wire pktend_ctrl, pktend_data; - assign pktend_ctrl = ((~ctrl_rx_src_rdy | gpif_d_out_ctrl[17]) & (state == STATE_CTRL_RX)); - assign pktend_data = (state == STATE_PKTEND); - assign pktend = ~(pktend_ctrl | pktend_data); - - //mux between ctrl/data RX data out based on endpoint selection - assign gpif_d_out = fifoadr[0] ? gpif_d_out_ctrl : gpif_d_out_data; // GPIF output data lines, tristate - assign gpif_d = sloe ? gpif_d_out : 16'bz; + assign gpif_d = (sloe)? gpif_d_out[15:0] : 16'bz; // //////////////////////////////////////////////////////////////////// // TX Data Path - wire [15:0] txfifo_data; - wire txfifo_src_rdy, txfifo_dst_rdy; - wire [35:0] tx36_data; - wire tx36_src_rdy, tx36_dst_rdy; - wire [15:0] data_tx_2clk; - wire tx_src_rdy_2clk, tx_dst_rdy_2clk; - - wire [15:0] wr_fifo_space; - - always @(posedge gpif_clk) - tx_data_enough_space <= (wr_fifo_space >= data_transfer_size); - - fifo_cascade #(.WIDTH(16), .SIZE(12)) wr_fifo - (.clk(gpif_clk), .reset(gpif_rst), .clear(clear_tx), - .datain(gpif_d), .src_rdy_i(data_tx_src_rdy), .dst_rdy_o(data_tx_dst_rdy), .space(wr_fifo_space), - .dataout(txfifo_data), .src_rdy_o(txfifo_src_rdy), .dst_rdy_i(txfifo_dst_rdy), .occupied()); - - fifo_2clock_cascade #(.WIDTH(16), .SIZE(4)) wr_fifo_2clk - (.wclk(gpif_clk), .datain(txfifo_data), .src_rdy_i(txfifo_src_rdy), .dst_rdy_o(txfifo_dst_rdy), .space(), - .rclk(fifo_clk), .dataout(data_tx_2clk), .src_rdy_o(tx_src_rdy_2clk), .dst_rdy_i(tx_dst_rdy_2clk), .occupied(), - .arst(fifo_rst)); - - // join vita packets which are longer than one frame, add SOP/EOP/OCC - wire [18:0] refr_data; - wire refr_src_rdy, refr_dst_rdy; - //below 3 signals for debug only - wire refr_state; - wire refr_eof; - wire [15:0] refr_len; - - packet_reframer tx_packet_reframer - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .data_i(data_tx_2clk), .src_rdy_i(tx_src_rdy_2clk), .dst_rdy_o(tx_dst_rdy_2clk), - .data_o(refr_data), .src_rdy_o(refr_src_rdy), .dst_rdy_i(refr_dst_rdy), - .state(refr_state), .eof_out(refr_eof), .length(refr_len)); - - fifo19_to_fifo36 #(.LE(1)) f19_to_f36 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .f19_datain(refr_data), .f19_src_rdy_i(refr_src_rdy), .f19_dst_rdy_o(refr_dst_rdy), - .f36_dataout(tx36_data), .f36_src_rdy_o(tx36_src_rdy), .f36_dst_rdy_i(tx36_dst_rdy)); - - fifo_cascade #(.WIDTH(36), .SIZE(TXFIFOSIZE)) tx_fifo36 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .datain(tx36_data), .src_rdy_i(tx36_src_rdy), .dst_rdy_o(tx36_dst_rdy), - .dataout(tx_data_o), .src_rdy_o(tx_src_rdy_o), .dst_rdy_i(tx_dst_rdy_i)); + gpmc16_to_fifo36 #(.FIFO_SIZE(DATA_TX_FIFO_SIZE), .MIN_SPACE16(DATA_XFER_COUNT)) fifo36_to_gpmc16_tx( + .gpif_clk(gpif_clk), .gpif_rst(gpif_rst), + .in_data(gpif_d_in), .ready(tx_ready), .valid(tx_valid), + .fifo_clk(fifo_clk), .fifo_rst(fifo_rst), + .out_data(tx_data), .out_src_rdy(tx_src_rdy), .out_dst_rdy(tx_dst_rdy) + ); // //////////////////////////////////////////// // RX Data Path - wire [35:0] rx36_data; - wire rx36_src_rdy, rx36_dst_rdy; - wire [18:0] rx19_data; - wire rx19_src_rdy, rx19_dst_rdy; - wire [15:0] rxfifospace; - - //deep 36 bit wide input fifo buffers from DSP - fifo_cascade #(.WIDTH(36), .SIZE(9)) rx_fifo36 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .datain(rx_data_i), .src_rdy_i(rx_src_rdy_i), .dst_rdy_o(rx_dst_rdy_o), - .dataout(rx36_data), .src_rdy_o(rx36_src_rdy), .dst_rdy_i(rx36_dst_rdy)); - - //convert to fifo19 - fifo36_to_fifo19 #(.LE(1)) f36_to_f19 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .f36_datain(rx36_data), .f36_src_rdy_i(rx36_src_rdy), .f36_dst_rdy_o(rx36_dst_rdy), - .f19_dataout(rx19_data), .f19_src_rdy_o(rx19_src_rdy), .f19_dst_rdy_i(rx19_dst_rdy) ); - - wire [18:0] data_rx_int; - wire rx_src_rdy_int, rx_dst_rdy_int; - //clock domain crossing fifo for RX data - fifo_2clock_cascade #(.WIDTH(19), .SIZE(4)) rd_fifo_2clk - (.wclk(fifo_clk), .datain(rx19_data), .src_rdy_i(rx19_src_rdy), .dst_rdy_o(rx19_dst_rdy), .space(), - .rclk(~gpif_clk), .dataout(data_rx_int), .src_rdy_o(rx_src_rdy_int), .dst_rdy_i(rx_dst_rdy_int), .occupied(), - .arst(fifo_rst)); - - //rd_fifo buffers writes to the 2clock fifo above - fifo_cascade #(.WIDTH(18), .SIZE(RXFIFOSIZE)) rd_fifo - (.clk(~gpif_clk), .reset(gpif_rst), .clear(clear_rx), - .datain(data_rx_int[17:0]), .src_rdy_i(rx_src_rdy_int), .dst_rdy_o(rx_dst_rdy_int), .space(rxfifospace), - .dataout(gpif_d_out_data), .src_rdy_o(data_rx_src_rdy), .dst_rdy_i(data_rx_dst_rdy), .occupied()); + fifo36_to_gpmc16 #(.FIFO_SIZE(DATA_RX_FIFO_SIZE)) fifo36_to_gpmc16_rx( + .fifo_clk(fifo_clk), .fifo_rst(fifo_rst), + .in_data(rx_data), .in_src_rdy(rx_src_rdy), .in_dst_rdy(rx_dst_rdy), + .gpif_clk(gpif_clk), .gpif_rst(gpif_rst), + .out_data(gpif_d_out_data), .valid(rx_valid), .enable(rx_enable) + ); // //////////////////////////////////////////////////////////////////// - // FIFO to Wishbone interface + // CTRL TX Data Path - wire [18:0] resp_data, resp_int; - wire resp_src_rdy, resp_dst_rdy; - wire resp_src_rdy_int, resp_dst_rdy_int; - - wire [18:0] tx_err19_data; - wire tx_err19_src_rdy, tx_err19_dst_rdy; - - wire [18:0] ctrl_data; - wire ctrl_src_rdy, ctrl_dst_rdy; - - fifo_to_wb fifo_to_wb - (.clk(fifo_clk), .reset(fifo_rst), .clear(0), - .data_i(ctrl_data), .src_rdy_i(ctrl_src_rdy), .dst_rdy_o(ctrl_dst_rdy), - .data_o(resp_int), .src_rdy_o(resp_src_rdy_int), .dst_rdy_i(resp_dst_rdy_int), - .wb_adr_o(wb_adr_o), .wb_dat_mosi(wb_dat_mosi), .wb_dat_miso(wb_dat_miso), .wb_sel_o(wb_sel_o), - .wb_cyc_o(wb_cyc_o), .wb_stb_o(wb_stb_o), .wb_we_o(wb_we_o), .wb_ack_i(wb_ack_i), - .triggers(triggers), - .debug0(), .debug1()); - - // //////////////////////////////////////////////////////////////////// - // TX CTRL PATH (ctrl commands into Wishbone) + gpmc16_to_fifo36 #(.FIFO_SIZE(CTRL_TX_FIFO_SIZE), .MIN_SPACE16(CTRL_XFER_COUNT)) fifo36_to_gpmc16_ctrl( + .gpif_clk(gpif_clk), .gpif_rst(gpif_rst), + .in_data(gpif_d_in), .ready(ctrl_ready), .valid(ctrl_valid), + .fifo_clk(fifo_clk), .fifo_rst(fifo_rst), + .out_data(ctrl_data), .out_src_rdy(ctrl_src_rdy), .out_dst_rdy(ctrl_dst_rdy) + ); - //how does this use fifo_clk instead of wb_clk - //answer: on b100 fifo clk IS wb clk - fifo_2clock_cascade #(.WIDTH(19), .SIZE(4)) ctrl_fifo_2clk - (.wclk(gpif_clk), .datain({1'b0,eop_ctrl,sop_ctrl,gpif_d}), - .src_rdy_i(ctrl_tx_src_rdy), .dst_rdy_o(ctrl_tx_dst_rdy), .space(), - .rclk(fifo_clk), .dataout(ctrl_data), - .src_rdy_o(ctrl_src_rdy), .dst_rdy_i(ctrl_dst_rdy), .occupied(), - .arst(fifo_rst)); + // //////////////////////////////////////////// + // CTRL RX Data Path + + fifo36_to_gpmc16 #(.FIFO_SIZE(CTRL_RX_FIFO_SIZE)) fifo36_to_gpmc16_resp( + .fifo_clk(fifo_clk), .fifo_rst(fifo_rst), + .in_data(resp_data), .in_src_rdy(resp_src_rdy), .in_dst_rdy(resp_dst_rdy), + .gpif_clk(gpif_clk), .gpif_rst(gpif_rst), + .out_data(gpif_d_out_ctrl), .valid(resp_valid), .enable(resp_enable), + .eof(resp_eof) + ); - // //////////////////////////////////////////////////////////////////// - // RX CTRL PATH (async packets, ctrl response data) - - //tx_err_data_i is the 36wide tx async err data clocked on fifo_clk - fifo36_to_fifo19 #(.LE(1)) f36_to_f19_txerr - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .f36_datain(tx_err_data_i), .f36_src_rdy_i(tx_err_src_rdy_i), .f36_dst_rdy_o(tx_err_dst_rdy_o), - .f19_dataout(tx_err19_data), .f19_src_rdy_o(tx_err19_src_rdy), .f19_dst_rdy_i(tx_err19_dst_rdy) ); - - //mux FIFO-to-WB along with async tx err pkts into one ctrl resp fifo - //how is this clocked on wb_clk? - fifo19_mux #(.prio(0)) mux_err_stream - (.clk(wb_clk), .reset(wb_rst), .clear(clear_rx), - .data0_i(resp_int), .src0_rdy_i(resp_src_rdy_int), .dst0_rdy_o(resp_dst_rdy_int), - .data1_i(tx_err19_data), .src1_rdy_i(tx_err19_src_rdy), .dst1_rdy_o(tx_err19_dst_rdy), - .data_o(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy)); - - //clock domain crossing cascade fifo for mux_err_stream to get from wb_clk to gpif_clk - //the output of this fifo is CTRL DATA PENDING FOR GPIF - fifo_2clock_cascade #(.WIDTH(18), .SIZE(4)) resp_fifo_2clk - (.wclk(wb_clk), .datain(resp_data[17:0]), .src_rdy_i(resp_src_rdy), .dst_rdy_o(resp_dst_rdy), .space(), - .rclk(~gpif_clk), .dataout(gpif_d_out_ctrl), - .src_rdy_o(ctrl_rx_src_rdy), .dst_rdy_i(ctrl_rx_dst_rdy), .occupied(), - .arst(wb_rst)); - - - // //////////////////////////////////////////////////////////////////// - // Debug support, timed and loopback - // RX side muxes test data into the same stream + assign debug = 0; - /////////////////////////////////////////////////////////////////////// - // debug lines - wire [31:0] debug_rd, debug_wr, debug_split0, debug_split1; - - wire [35:0] timedrx_data, loopbackrx_data, testrx_data; - wire [35:0] timedtx_data, loopbacktx_data, testtx_data; - wire timedrx_src_rdy, timedrx_dst_rdy, loopbackrx_src_rdy, loopbackrx_dst_rdy, - testrx_src_rdy, testrx_dst_rdy; - wire timedtx_src_rdy, timedtx_dst_rdy, loopbacktx_src_rdy, loopbacktx_dst_rdy, - testtx_src_rdy, testtx_dst_rdy; - wire timedrx_src_rdy_int, timedrx_dst_rdy_int, timedtx_src_rdy_int, timedtx_dst_rdy_int; - - wire [31:0] total, crc_err, seq_err, len_err; - wire sel_testtx = test_ctrl[0]; - wire sel_loopbacktx = test_ctrl[1]; - wire pkt_src_enable = test_ctrl[2]; - wire pkt_sink_enable = test_ctrl[3]; -/* - fifo36_mux rx_test_mux_lvl_1 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .data0_i(timedrx_data), .src0_rdy_i(timedrx_src_rdy), .dst0_rdy_o(timedrx_dst_rdy), - .data1_i(loopbackrx_data), .src1_rdy_i(loopbackrx_src_rdy), .dst1_rdy_o(loopbackrx_dst_rdy), - .data_o(testrx_data), .src_rdy_o(testrx_src_rdy), .dst_rdy_i(testrx_dst_rdy)); - - fifo36_mux rx_test_mux_lvl_2 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .data0_i(testrx_data), .src0_rdy_i(testrx_src_rdy), .dst0_rdy_o(testrx_dst_rdy), - .data1_i(rx_data_i), .src1_rdy_i(rx_src_rdy_i), .dst1_rdy_o(rx_dst_rdy_o), - .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy)); - - fifo_short #(.WIDTH(36)) loopback_fifo - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx | clear_rx), - .datain(loopbacktx_data), .src_rdy_i(loopbacktx_src_rdy), .dst_rdy_o(loopbacktx_dst_rdy), - .dataout(loopbackrx_data), .src_rdy_o(loopbackrx_src_rdy), .dst_rdy_i(loopbackrx_dst_rdy)); - - // Crossbar used as a demux for switching TX stream to main DSP or to test logic - crossbar36 tx_crossbar_lvl_1 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .cross(sel_testtx), - .data0_i(tx_data), .src0_rdy_i(tx_src_rdy), .dst0_rdy_o(tx_dst_rdy), - .data1_i(tx_data), .src1_rdy_i(1'b0), .dst1_rdy_o(), // No 2nd input - .data0_o(tx_data_o), .src0_rdy_o(tx_src_rdy_o), .dst0_rdy_i(tx_dst_rdy_i), - .data1_o(testtx_data), .src1_rdy_o(testtx_src_rdy), .dst1_rdy_i(testtx_dst_rdy) ); - - crossbar36 tx_crossbar_lvl_2 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .cross(sel_loopbacktx), - .data0_i(testtx_data), .src0_rdy_i(testtx_src_rdy), .dst0_rdy_o(testtx_dst_rdy), - .data1_i(testtx_data), .src1_rdy_i(1'b0), .dst1_rdy_o(), // No 2nd input - .data0_o(timedtx_data), .src0_rdy_o(timedtx_src_rdy), .dst0_rdy_i(timedtx_dst_rdy), - .data1_o(loopbacktx_data), .src1_rdy_o(loopbacktx_src_rdy), .dst1_rdy_i(loopbacktx_dst_rdy) ); - - // Fixed rate TX traffic consumer - fifo_pacer tx_pacer - (.clk(fifo_clk), .reset(fifo_rst), .rate(test_rate), .enable(pkt_sink_enable), - .src1_rdy_i(timedtx_src_rdy), .dst1_rdy_o(timedtx_dst_rdy), - .src2_rdy_o(timedtx_src_rdy_int), .dst2_rdy_i(timedtx_dst_rdy_int), - .underrun(tx_underrun), .overrun()); - - packet_verifier32 pktver32 - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_tx), - .data_i(timedtx_data), .src_rdy_i(timedtx_src_rdy_int), .dst_rdy_o(timedtx_dst_rdy_int), - .total(total), .crc_err(crc_err), .seq_err(seq_err), .len_err(len_err)); - - // Fixed rate RX traffic generator - vita_pkt_gen pktgen - (.clk(fifo_clk), .reset(fifo_rst), .clear(clear_rx), - .len(test_len), - .data_o(timedrx_data), .src_rdy_o(timedrx_src_rdy_int), .dst_rdy_i(timedrx_dst_rdy_int)); - - fifo_pacer rx_pacer - (.clk(fifo_clk), .reset(fifo_rst), .rate(test_rate), .enable(pkt_src_enable), - .src1_rdy_i(timedrx_src_rdy_int), .dst1_rdy_o(timedrx_dst_rdy_int), - .src2_rdy_o(timedrx_src_rdy), .dst2_rdy_i(timedrx_dst_rdy), - .underrun(), .overrun(rx_overrun)); -*/ - // //////////////////////////////////////////// - // DEBUG - - assign debug0 = { pktend_latch, data_rx_src_rdy, gpif_ctl[3:0], sloe, slrd, slwr, pktend, fifoadr[1:0], state[3:0], gpif_d[15:0]}; - //assign debug0 = { data_tx_src_rdy, data_tx_dst_rdy, tx_src_rdy_int, tx_dst_rdy_int, - // tx19_src_rdy, tx19_dst_rdy, refr_src_rdy, refr_dst_rdy, - // tx36_src_rdy, tx36_dst_rdy, - // gpif_ctl[3:0], fifoadr[1:0], - // wr_fifo_space[15:0]}; - assign debug1 = { 16'b0, transfer_count[7:0], ctrl_rx_src_rdy, ctrl_tx_dst_rdy, data_rx_src_rdy, - data_tx_dst_rdy, ctrl_tx_src_rdy, ctrl_rx_dst_rdy, data_tx_src_rdy, data_rx_dst_rdy}; endmodule // slave_fifo diff --git a/fpga/usrp2/models/DCM_SP.v b/fpga/usrp2/models/DCM_SP.v new file mode 100644 index 000000000..2142fa736 --- /dev/null +++ b/fpga/usrp2/models/DCM_SP.v @@ -0,0 +1,1244 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/DCM_SP.v,v 1.9.4.3 2007/04/11 20:30:19 yanx Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 9.2i (J.36) +// \ \ Description : Xilinx Function Simulation Library Component +// / / Digital Clock Manager +// /___/ /\ Filename : DCM_SP.v +// \ \ / \ Timestamp : +// \___\/\___\ +// +// Revision: +// 02/28/06 - Initial version. +// 05/09/06 - Add clkin_ps_mkup and clkin_ps_mkup_win for phase shifting (CR 229789). +// 06/14/06 - Add clkin_ps_mkup_flag for multiple cycle delays (CR233283). +// 07/21/06 - Change range of variable phase shifting to +/- integer of 20*(Period-3ns). +// Give warning not support initial phase shifting for variable phase shifting. +// (CR 235216). +// 09/22/06 - Add lock_period and lock_fb to clkfb_div block (CR 418722). +// 12/19/06 - Add clkfb_div_en for clkfb2x divider (CR431210). +// 04/06/07 - Enable the clock out in clock low time after reset in model +// clock_divide_by_2 (CR 437471). +// End Revision + + +`timescale 1 ps / 1 ps + +module DCM_SP ( + CLK0, CLK180, CLK270, CLK2X, CLK2X180, CLK90, + CLKDV, CLKFX, CLKFX180, LOCKED, PSDONE, STATUS, + CLKFB, CLKIN, DSSEN, PSCLK, PSEN, PSINCDEC, RST); + +parameter CLKDV_DIVIDE = 2.0; +parameter integer CLKFX_DIVIDE = 1; +parameter integer CLKFX_MULTIPLY = 4; +parameter CLKIN_DIVIDE_BY_2 = "FALSE"; +parameter CLKIN_PERIOD = 10.0; // non-simulatable +parameter CLKOUT_PHASE_SHIFT = "NONE"; +parameter CLK_FEEDBACK = "1X"; +parameter DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS"; // non-simulatable +parameter DFS_FREQUENCY_MODE = "LOW"; +parameter DLL_FREQUENCY_MODE = "LOW"; +parameter DSS_MODE = "NONE"; // non-simulatable +parameter DUTY_CYCLE_CORRECTION = "TRUE"; +parameter FACTORY_JF = 16'hC080; // non-simulatable +parameter integer MAXPERCLKIN = 1000000; // non-modifiable simulation parameter +parameter integer MAXPERPSCLK = 100000000; // non-modifiable simulation parameter +parameter integer PHASE_SHIFT = 0; +parameter integer SIM_CLKIN_CYCLE_JITTER = 300; // non-modifiable simulation parameter +parameter integer SIM_CLKIN_PERIOD_JITTER = 1000; // non-modifiable simulation parameter +parameter STARTUP_WAIT = "FALSE"; // non-simulatable + + +localparam PS_STEP = 25; + +input CLKFB, CLKIN, DSSEN; +input PSCLK, PSEN, PSINCDEC, RST; + +output CLK0, CLK180, CLK270, CLK2X, CLK2X180, CLK90; +output CLKDV, CLKFX, CLKFX180, LOCKED, PSDONE; +output [7:0] STATUS; + +reg CLK0, CLK180, CLK270, CLK2X, CLK2X180, CLK90; +reg CLKDV, CLKFX, CLKFX180; + +wire locked_out_out; +wire clkfb_in, clkin_in, dssen_in; +wire psclk_in, psen_in, psincdec_in, rst_in; +reg clk0_out; +reg clk2x_out, clkdv_out; +reg clkfx_out, clkfx180_en; +reg rst_flag; +reg locked_out, psdone_out, ps_overflow_out, ps_lock; +reg clkfb_div, clkfb_chk, clkfb_div_en; +integer clkdv_cnt; + +reg [1:0] clkfb_type; +reg [8:0] divide_type; +reg clkin_type; +reg [1:0] ps_type; +reg [3:0] deskew_adjust_mode; +reg dfs_mode_type; +reg dll_mode_type; +reg clk1x_type; +integer ps_in; + +reg lock_period, lock_delay, lock_clkin, lock_clkfb; +reg first_time_locked; +reg en_status; +reg ps_overflow_out_ext; +reg clkin_lost_out_ext; +reg clkfx_lost_out_ext; +reg [1:0] lock_out; +reg lock_out1_neg; +reg lock_fb, lock_ps, lock_ps_dly, lock_fb_dly, lock_fb_dly_tmp; +reg fb_delay_found; +reg clock_stopped; +reg clkin_chkin, clkfb_chkin; + +wire chk_enable, chk_rst; +wire clkin_div; +wire lock_period_pulse; +wire lock_period_dly, lock_period_dly1; + +reg clkin_ps, clkin_ps_tmp, clkin_ps_mkup, clkin_ps_mkup_win, clkin_ps_mkup_flag; +reg clkin_fb; + +time FINE_SHIFT_RANGE; +//time ps_delay, ps_delay_init, ps_delay_md, ps_delay_all, ps_max_range; +integer ps_delay, ps_delay_init, ps_delay_md, ps_delay_all, ps_max_range; +integer ps_delay_last; +integer ps_acc; +time clkin_edge; +time clkin_div_edge; +time clkin_ps_edge; +time delay_edge; +time clkin_period [2:0]; +time period; +integer period_int, period_int2, period_int3, period_ps_tmp; +time period_div; +integer period_orig_int; +time period_orig; +time period_ps; +time clkout_delay; +time fb_delay; +time period_fx, remain_fx; +time period_dv_high, period_dv_low; +time cycle_jitter, period_jitter; + +reg clkin_window, clkfb_window; +reg [2:0] rst_reg; +reg [12:0] numerator, denominator, gcd; +reg [23:0] i, n, d, p; + +reg notifier; + +initial begin + #1; + if ($realtime == 0) begin + $display ("Simulator Resolution Error : Simulator resolution is set to a value greater than 1 ps."); + $display ("In order to simulate the DCM_SP, the simulator resolution must be set to 1ps or smaller."); + $finish; + end +end + +initial begin + case (2.0) + 1.5 : divide_type = 'd3; + 2.0 : divide_type = 'd4; + 2.5 : divide_type = 'd5; + 3.0 : divide_type = 'd6; + 3.5 : divide_type = 'd7; + 4.0 : divide_type = 'd8; + 4.5 : divide_type = 'd9; + 5.0 : divide_type = 'd10; + 5.5 : divide_type = 'd11; + 6.0 : divide_type = 'd12; + 6.5 : divide_type = 'd13; + 7.0 : divide_type = 'd14; + 7.5 : divide_type = 'd15; + 8.0 : divide_type = 'd16; + 9.0 : divide_type = 'd18; + 10.0 : divide_type = 'd20; + 11.0 : divide_type = 'd22; + 12.0 : divide_type = 'd24; + 13.0 : divide_type = 'd26; + 14.0 : divide_type = 'd28; + 15.0 : divide_type = 'd30; + 16.0 : divide_type = 'd32; + default : begin + $display("Attribute Syntax Error : The attribute CLKDV_DIVIDE on DCM_SP instance %m is set to %0.1f. Legal values for this attribute are 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, or 16.0.", CLKDV_DIVIDE); + $finish; + end + endcase + + if ((CLKFX_DIVIDE <= 0) || (32 < CLKFX_DIVIDE)) begin + $display("Attribute Syntax Error : The attribute CLKFX_DIVIDE on DCM_SP instance %m is set to %d. Legal values for this attribute are 1 ... 32.", CLKFX_DIVIDE); + $finish; + end + + if ((CLKFX_MULTIPLY <= 1) || (32 < CLKFX_MULTIPLY)) begin + $display("Attribute Syntax Error : The attribute CLKFX_MULTIPLY on DCM_SP instance %m is set to %d. Legal values for this attribute are 2 ... 32.", CLKFX_MULTIPLY); + $finish; + end + + case (CLKIN_DIVIDE_BY_2) + "false" : clkin_type = 0; + "FALSE" : clkin_type = 0; + "true" : clkin_type = 1; + "TRUE" : clkin_type = 1; + default : begin + $display("Attribute Syntax Error : The attribute CLKIN_DIVIDE_BY_2 on DCM_SP instance %m is set to %s. Legal values for this attribute are TRUE or FALSE.", CLKIN_DIVIDE_BY_2); + $finish; + end + endcase + + case (CLKOUT_PHASE_SHIFT) + "NONE" : begin + ps_in = 256; + ps_type = 0; + end + "none" : begin + ps_in = 256; + ps_type = 0; + end + "FIXED" : begin + ps_in = PHASE_SHIFT + 256; + ps_type = 1; + end + "fixed" : begin + ps_in = PHASE_SHIFT + 256; + ps_type = 1; + end + "VARIABLE" : begin + ps_in = PHASE_SHIFT + 256; + ps_type = 2; + end + "variable" : begin + ps_in = PHASE_SHIFT + 256; + ps_type = 2; + if (PHASE_SHIFT != 0) + $display("Attribute Syntax Warning : The attribute PHASE_SHIFT on DCM_SP instance %m is set to %d. The maximum variable phase shift range is only valid when initial phase shift PHASE_SHIFT is zero.", PHASE_SHIFT); + end + default : begin + $display("Attribute Syntax Error : The attribute CLKOUT_PHASE_SHIFT on DCM_SP instance %m is set to %s. Legal values for this attribute are NONE, FIXED or VARIABLE.", CLKOUT_PHASE_SHIFT); + $finish; + end + endcase + + + case (CLK_FEEDBACK) + "none" : clkfb_type = 2'b00; + "NONE" : clkfb_type = 2'b00; + "1x" : clkfb_type = 2'b01; + "1X" : clkfb_type = 2'b01; + "2x" : clkfb_type = 2'b10; + "2X" : clkfb_type = 2'b10; + default : begin + $display("Attribute Syntax Error : The attribute CLK_FEEDBACK on DCM_SP instance %m is set to %s. Legal values for this attribute are NONE, 1X or 2X.", CLK_FEEDBACK); + $finish; + end + endcase + + case (DESKEW_ADJUST) + "source_synchronous" : deskew_adjust_mode = 8; + "SOURCE_SYNCHRONOUS" : deskew_adjust_mode = 8; + "system_synchronous" : deskew_adjust_mode = 11; + "SYSTEM_SYNCHRONOUS" : deskew_adjust_mode = 11; + "0" : deskew_adjust_mode = 0; + "1" : deskew_adjust_mode = 1; + "2" : deskew_adjust_mode = 2; + "3" : deskew_adjust_mode = 3; + "4" : deskew_adjust_mode = 4; + "5" : deskew_adjust_mode = 5; + "6" : deskew_adjust_mode = 6; + "7" : deskew_adjust_mode = 7; + "8" : deskew_adjust_mode = 8; + "9" : deskew_adjust_mode = 9; + "10" : deskew_adjust_mode = 10; + "11" : deskew_adjust_mode = 11; + "12" : deskew_adjust_mode = 12; + "13" : deskew_adjust_mode = 13; + "14" : deskew_adjust_mode = 14; + "15" : deskew_adjust_mode = 15; + default : begin + $display("Attribute Syntax Error : The attribute DESKEW_ADJUST on DCM_SP instance %m is set to %s. Legal values for this attribute are SOURCE_SYNCHRONOUS, SYSTEM_SYNCHRONOUS or 0 ... 15.", DESKEW_ADJUST); + $finish; + end + endcase + + case (DFS_FREQUENCY_MODE) + "high" : dfs_mode_type = 1; + "HIGH" : dfs_mode_type = 1; + "low" : dfs_mode_type = 0; + "LOW" : dfs_mode_type = 0; + default : begin + $display("Attribute Syntax Error : The attribute DFS_FREQUENCY_MODE on DCM_SP instance %m is set to %s. Legal values for this attribute are HIGH or LOW.", DFS_FREQUENCY_MODE); + $finish; + end + endcase + + period_jitter = SIM_CLKIN_PERIOD_JITTER; + cycle_jitter = SIM_CLKIN_CYCLE_JITTER; + + case (DLL_FREQUENCY_MODE) + "high" : dll_mode_type = 1; + "HIGH" : dll_mode_type = 1; + "low" : dll_mode_type = 0; + "LOW" : dll_mode_type = 0; + default : begin + $display("Attribute Syntax Error : The attribute DLL_FREQUENCY_MODE on DCM_SP instance %m is set to %s. Legal values for this attribute are HIGH or LOW.", DLL_FREQUENCY_MODE); + $finish; + end + endcase + + if ((dll_mode_type ==1) && (clkfb_type == 2'b10)) begin + $display("Attribute Syntax Error : The attributes DLL_FREQUENCY_MODE on DCM_SP instance %m is set to %s and CLK_FEEDBACK is set to %s. CLK_FEEDBACK 2X is not supported when DLL_FREQUENCY_MODE is HIGH.", DLL_FREQUENCY_MODE, CLK_FEEDBACK); + $finish; + end + + case (DSS_MODE) + "none" : ; + "NONE" : ; + default : begin + $display("Attribute Syntax Error : The attribute DSS_MODE on DCM_SP instance %m is set to %s. Legal values for this attribute is NONE.", DSS_MODE); + $finish; + end + endcase + + case (DUTY_CYCLE_CORRECTION) + "false" : clk1x_type = 0; + "FALSE" : clk1x_type = 0; + "true" : clk1x_type = 1; + "TRUE" : clk1x_type = 1; + default : begin + $display("Attribute Syntax Error : The attribute DUTY_CYCLE_CORRECTION on DCM_SP instance %m is set to %s. Legal values for this attribute are TRUE or FALSE.", DUTY_CYCLE_CORRECTION); + $finish; + end + endcase + + if ((PHASE_SHIFT < -255) || (PHASE_SHIFT > 255)) begin + $display("Attribute Syntax Error : The attribute PHASE_SHIFT on DCM_SP instance %m is set to %d. Legal values for this attribute are -255 ... 255.", PHASE_SHIFT); + $display("Error : PHASE_SHIFT = %d is not -255 ... 255.", PHASE_SHIFT); + $finish; + end + + case (STARTUP_WAIT) + "false" : ; + "FALSE" : ; + "true" : ; + "TRUE" : ; + default : begin + $display("Attribute Syntax Error : The attribute STARTUP_WAIT on DCM_SP instance %m is set to %s. Legal values for this attribute are TRUE or FALSE.", STARTUP_WAIT); + $finish; + end + endcase +end + +// +// fx parameters +// + +initial begin + gcd = 1; + for (i = 2; i <= CLKFX_MULTIPLY; i = i + 1) begin + if (((CLKFX_MULTIPLY % i) == 0) && ((CLKFX_DIVIDE % i) == 0)) + gcd = i; + end + numerator = CLKFX_MULTIPLY / gcd; + denominator = CLKFX_DIVIDE / gcd; +end + +// +// input wire delays +// + +buf b_clkin (clkin_in, CLKIN); +buf b_clkfb (clkfb_in, CLKFB); +buf b_dssen (dssen_in, DSSEN); +buf b_psclk (psclk_in, PSCLK); +buf b_psen (psen_in, PSEN); +buf b_psincdec (psincdec_in, PSINCDEC); +buf b_rst (rst_in, RST); +buf #100 b_LOCKED (LOCKED, locked_out_out); +buf #100 b_PSDONE (PSDONE, psdone_out); +buf b_ps_overflow (STATUS[0], ps_overflow_out_ext); +buf b_clkin_lost (STATUS[1], clkin_lost_out_ext); +buf b_clkfx_lost (STATUS[2], clkfx_lost_out_ext); + +assign STATUS[7:3] = 5'b0; + +dcm_sp_clock_divide_by_2 i_clock_divide_by_2 (clkin_in, clkin_type, clkin_div, rst_in); + +dcm_sp_maximum_period_check #("CLKIN", MAXPERCLKIN) i_max_clkin (clkin_in, rst_in); +dcm_sp_maximum_period_check #("PSCLK", MAXPERPSCLK) i_max_psclk (psclk_in, rst_in); + +dcm_sp_clock_lost i_clkin_lost (clkin_in, first_time_locked, clkin_lost_out, rst_in); +dcm_sp_clock_lost i_clkfx_lost (CLKFX, first_time_locked, clkfx_lost_out, rst_in); + +always @(rst_in or en_status or clkfx_lost_out or clkin_lost_out or ps_overflow_out) + if (rst_in == 1 || en_status == 0) begin + ps_overflow_out_ext = 0; + clkin_lost_out_ext = 0; + clkfx_lost_out_ext = 0; + end + else + begin + ps_overflow_out_ext = ps_overflow_out; + clkin_lost_out_ext = clkin_lost_out; + clkfx_lost_out_ext = clkfx_lost_out; + end + +always @(posedge rst_in or posedge LOCKED) + if (rst_in == 1) + en_status <= 0; + else + en_status <= 1; + + +always @(clkin_div) + clkin_ps_tmp <= #(ps_delay_md) clkin_div; + +always @(clkin_ps_tmp or clkin_ps_mkup or clkin_ps_mkup_win) + if (clkin_ps_mkup_win) + clkin_ps = clkin_ps_mkup; + else + clkin_ps = clkin_ps_tmp; + +always @(ps_delay_last or period_int or ps_delay) begin + period_int2 = 2 * period_int; + period_int3 = 3 * period_int; + if ((ps_delay_last >= period_int && ps_delay < period_int) || + (ps_delay_last >= period_int2 && ps_delay < period_int2) || + (ps_delay_last >= period_int3 && ps_delay < period_int3)) + clkin_ps_mkup_flag = 1; + else + clkin_ps_mkup_flag = 0; +end + +always @(posedge clkin_div or negedge clkin_div) begin + if (ps_type == 2'b10) begin + if ((ps_delay_last > 0 && ps_delay <= 0 ) || clkin_ps_mkup_flag == 1) begin + if (clkin_div) begin + clkin_ps_mkup_win <= 1; + clkin_ps_mkup <= 1; + #1; + @(negedge clkin_div) begin + clkin_ps_mkup_win <= 1; + clkin_ps_mkup <= 0; + end + end + else begin + clkin_ps_mkup_win <= 0; + clkin_ps_mkup <= 0; + #1; + @(posedge clkin_div) begin + clkin_ps_mkup_win <= 1; + clkin_ps_mkup <= 1; + end + @(negedge clkin_div) begin + clkin_ps_mkup_win <= 1; + clkin_ps_mkup <= 0; + end + end + end + else begin + clkin_ps_mkup_win <= 0; + clkin_ps_mkup <= 0; + end + ps_delay_last <= ps_delay; + end +end + +always @(clkin_ps or lock_fb) + clkin_fb = clkin_ps & lock_fb; + +always @(negedge clkfb_in or posedge rst_in) + if (rst_in) + clkfb_div_en <= 0; + else + if (lock_fb_dly && lock_period && lock_fb && ~clkin_ps) + clkfb_div_en <= 1; + +always @(posedge clkfb_in or posedge rst_in) + if (rst_in) + clkfb_div <= 0; + else + if (clkfb_div_en ) + clkfb_div <= ~clkfb_div; + +always @(clkfb_in or clkfb_div ) + if (clkfb_type == 2'b10 ) + clkfb_chk = clkfb_div; + else + clkfb_chk = clkfb_in & lock_fb_dly; + +always @(posedge clkin_fb or posedge chk_rst) + if (chk_rst) + clkin_chkin <= 0; + else + clkin_chkin <= 1; + +always @(posedge clkfb_chk or posedge chk_rst) + if (chk_rst) + clkfb_chkin <= 0; + else + clkfb_chkin <= 1; + + assign chk_rst = (rst_in==1 || clock_stopped==1 ) ? 1 : 0; + assign chk_enable = (clkin_chkin == 1 && clkfb_chkin == 1 && + lock_ps ==1 && lock_fb ==1 && lock_fb_dly == 1) ? 1 : 0; + +always @(posedge clkin_div or posedge rst_in) + if (rst_in) begin + period_div <= 0; + clkin_div_edge <= 0; + end + else + if ( clkin_div ==1 ) begin + clkin_div_edge <= $time; + if (($time - clkin_div_edge) <= (1.5 * period_div)) + period_div <= $time - clkin_div_edge; + else if ((period_div == 0) && (clkin_div_edge != 0)) + period_div <= $time - clkin_div_edge; + end + +always @(posedge clkin_ps or posedge rst_in) + if (rst_in) begin + period_ps <= 0; + clkin_ps_edge <= 0; + end + else + if (clkin_ps == 1 ) begin + clkin_ps_edge <= $time; + if (($time - clkin_ps_edge) <= (1.5 * period_ps)) + period_ps <= $time - clkin_ps_edge; + else if ((period_ps == 0) && (clkin_ps_edge != 0)) + period_ps <= $time - clkin_ps_edge; + end + +always @(posedge clkin_ps) begin + lock_ps <= lock_period; + lock_ps_dly <= lock_ps; + lock_fb <= lock_ps_dly; + lock_fb_dly_tmp <= lock_fb; +end + +always @(negedge clkin_ps or posedge rst_in) + if (rst_in) + lock_fb_dly <= 1'b0; + else + lock_fb_dly <= #(period/4) lock_fb_dly_tmp; + + +always @(period or fb_delay ) + if (fb_delay == 0) + clkout_delay = 0; + else + clkout_delay = period - fb_delay; + +// +// generate master reset signal +// + +always @(posedge clkin_in) begin + rst_reg[0] <= rst_in; + rst_reg[1] <= rst_reg[0] & rst_in; + rst_reg[2] <= rst_reg[1] & rst_reg[0] & rst_in; +end + +reg rst_tmp1, rst_tmp2; +initial +begin +rst_tmp1 = 0; +rst_tmp2 = 0; +rst_flag = 0; +end + +always @(rst_in) +begin + if (rst_in) + rst_flag = 0; + + rst_tmp1 = rst_in; + if (rst_tmp1 == 0 && rst_tmp2 == 1) begin + if ((rst_reg[2] & rst_reg[1] & rst_reg[0]) == 0) begin + rst_flag = 1; + $display("Input Error : RST on instance %m must be asserted for 3 CLKIN clock cycles."); + end + end + rst_tmp2 = rst_tmp1; +end + +initial begin + CLK0 = 0; + CLK180 = 0; + CLK270 = 0; + CLK2X = 0; + CLK2X180 = 0; + CLK90 = 0; + CLKDV = 0; + CLKFX = 0; + CLKFX180 = 0; + clk0_out = 0; + clk2x_out = 0; + clkdv_out = 0; + clkdv_cnt = 0; + clkfb_window = 0; + clkfx_out = 0; + clkfx180_en = 0; + clkin_div_edge = 0; + clkin_period[0] = 0; + clkin_period[1] = 0; + clkin_period[2] = 0; + clkin_edge = 0; + clkin_ps_edge = 0; + clkin_window = 0; + clkout_delay = 0; + clock_stopped = 1; + fb_delay = 0; + fb_delay_found = 0; + lock_clkfb = 0; + lock_clkin = 0; + lock_delay = 0; + lock_fb = 0; + lock_fb_dly = 0; + lock_out = 2'b00; + lock_out1_neg = 0; + lock_period = 0; + lock_ps = 0; + lock_ps_dly = 0; + locked_out = 0; + period = 0; + period_int = 0; + period_int2 = 0; + period_int3 = 0; + period_div = 0; + period_fx = 0; + period_orig = 0; + period_orig_int = 0; + period_ps = 0; + psdone_out = 0; + ps_delay = 0; + ps_delay_md = 0; + ps_delay_init = 0; + ps_acc = 0; + ps_delay_all = 0; + ps_lock = 0; + ps_overflow_out = 0; + ps_overflow_out_ext = 0; + clkin_lost_out_ext = 0; + clkfx_lost_out_ext = 0; + rst_reg = 3'b000; + first_time_locked = 0; + en_status = 0; + clkfb_div = 0; + clkin_chkin = 0; + clkfb_chkin = 0; + clkin_ps_mkup = 0; + clkin_ps_mkup_win = 0; + clkin_ps_mkup_flag = 0; + ps_delay_last = 0; + clkin_ps_tmp = 0; +end + +// RST less than 3 cycles, lock = x + + assign locked_out_out = (rst_flag) ? 1'bx : locked_out; + +// +// detect_first_time_locked +// +always @(posedge locked_out) + if (first_time_locked == 0) + first_time_locked <= 1; + +// +// phase shift parameters +// + +always @(posedge lock_period) + ps_delay_init <= ps_in * period_orig /256; + + +always @(period) begin + period_int = period; + if (clkin_type==1) + period_ps_tmp = 2 * period; + else + period_ps_tmp = period; + + if (period_ps_tmp > 3000) + ps_max_range = 20 * (period_ps_tmp - 3000)/1000; + else + ps_max_range = 0; +end + +always @(ps_delay or rst_in or period_int or lock_period) + if ( rst_in) + ps_delay_md = 0; + else if (lock_period) begin + ps_delay_md = period_int + ps_delay % period_int; + end + +always @(posedge psclk_in or posedge rst_in or posedge lock_period_pulse) + if (rst_in) begin + ps_delay <= 0; + ps_overflow_out <= 0; + ps_acc <= 0; + end + else if (lock_period_pulse) + ps_delay <= ps_delay_init; + else + if (ps_type == 2'b10) + if (psen_in) begin + if (ps_lock == 1) + $display(" Warning : Please wait for PSDONE signal before adjusting the Phase Shift."); + else if (lock_ps) begin + if (psincdec_in == 1) begin + if (ps_acc > ps_max_range) + ps_overflow_out <= 1; + else begin + ps_delay <= ps_delay + PS_STEP; + ps_acc <= ps_acc + 1; + ps_overflow_out <= 0; + end + ps_lock <= 1; + end + else if (psincdec_in == 0) begin + if (ps_acc < -ps_max_range) + ps_overflow_out <= 1; + else begin + ps_delay <= ps_delay - PS_STEP; + ps_acc <= ps_acc - 1; + ps_overflow_out <= 0; + end + ps_lock <= 1; + end + end + end + +always @(posedge ps_lock) begin + @(posedge clkin_ps) + @(posedge psclk_in) + @(posedge psclk_in) + @(posedge psclk_in) + psdone_out <= 1; + @(posedge psclk_in) + psdone_out <= 0; + ps_lock <= 0; +end + +// +// determine clock period +// + +always @(posedge clkin_div or negedge clkin_div or posedge rst_in) + if (rst_in == 1) begin + clkin_period[0] <= 0; + clkin_period[1] <= 0; + clkin_period[2] <= 0; + clkin_edge <= 0; + end + else + if (clkin_div == 1) begin + clkin_edge <= $time; + clkin_period[2] <= clkin_period[1]; + clkin_period[1] <= clkin_period[0]; + if (clkin_edge != 0) + clkin_period[0] <= $time - clkin_edge; + end + else if (clkin_div == 0) + if (lock_period == 1) + if (100000000 < clkin_period[0]/1000) + begin + end + else if ((period_orig * 2 < clkin_period[0]) && (clock_stopped == 0)) begin + clkin_period[0] <= clkin_period[1]; + end + +always @(negedge clkin_div or posedge rst_in) + if (rst_in == 1) begin + lock_period <= 0; + clock_stopped <= 1; + end + else begin + if (lock_period == 1'b0) begin + if ((clkin_period[0] != 0) && + (clkin_period[0] - cycle_jitter <= clkin_period[1]) && + (clkin_period[1] <= clkin_period[0] + cycle_jitter) && + (clkin_period[1] - cycle_jitter <= clkin_period[2]) && + (clkin_period[2] <= clkin_period[1] + cycle_jitter)) begin + lock_period <= 1; + period_orig <= (clkin_period[0] + + clkin_period[1] + + clkin_period[2]) / 3; + period <= clkin_period[0]; + end + end + else if (lock_period == 1'b1) begin + if (100000000 < (clkin_period[0] / 1000)) begin + $display(" Warning : CLKIN stopped toggling on instance %m exceeds %d ms. Current CLKIN Period = %1.3f ns.", 100, clkin_period[0] / 1000.0); + lock_period <= 0; + @(negedge rst_reg[2]); + end + else if ((period_orig * 2 < clkin_period[0]) && clock_stopped == 1'b0) begin + clock_stopped <= 1'b1; + end + else if ((clkin_period[0] < period_orig - period_jitter) || + (period_orig + period_jitter < clkin_period[0])) begin + $display(" Warning : Input Clock Period Jitter on instance %m exceeds %1.3f ns. Locked CLKIN Period = %1.3f. Current CLKIN Period = %1.3f.", period_jitter / 1000.0, period_orig / 1000.0, clkin_period[0] / 1000.0); + lock_period <= 0; + @(negedge rst_reg[2]); + end + else if ((clkin_period[0] < clkin_period[1] - cycle_jitter) || + (clkin_period[1] + cycle_jitter < clkin_period[0])) begin + $display(" Warning : Input Clock Cycle-Cycle Jitter on instance %m exceeds %1.3f ns. Previous CLKIN Period = %1.3f. Current CLKIN Period = %1.3f.", cycle_jitter / 1000.0, clkin_period[1] / 1000.0, clkin_period[0] / 1000.0); + lock_period <= 0; + @(negedge rst_reg[2]); + end + else begin + period <= clkin_period[0]; + clock_stopped <= 1'b0; + end + end +end + + assign #1 lock_period_dly1 = lock_period; + assign #(period/2) lock_period_dly = lock_period_dly1; + assign lock_period_pulse = (lock_period_dly1==1 && lock_period_dly==0) ? 1 : 0; + +// +// determine clock delay +// + +//always @(posedge lock_period or posedge rst_in) +always @(posedge lock_ps_dly or posedge rst_in) + if (rst_in) begin + fb_delay <= 0; + fb_delay_found <= 0; + end + else begin + if (lock_period && clkfb_type != 2'b00) begin + if (clkfb_type == 2'b01) begin + @(posedge CLK0 or rst_in) + delay_edge = $time; + end + else if (clkfb_type == 2'b10) begin + @(posedge CLK2X or rst_in) + delay_edge = $time; + end + @(posedge clkfb_in or rst_in) begin + fb_delay <= ($time - delay_edge) % period_orig; + fb_delay_found <= 1; + end + end + end + +// +// determine feedback lock +// + +always @(posedge clkfb_chk or posedge rst_in) + if (rst_in) + clkfb_window <= 0; + else begin + clkfb_window <= 1; + #cycle_jitter clkfb_window <= 0; + end + +always @(posedge clkin_fb or posedge rst_in) + if (rst_in) + clkin_window <= 0; + else begin + clkin_window <= 1; + #cycle_jitter clkin_window <= 0; + end + +always @(posedge clkin_fb or posedge rst_in) + if (rst_in) + lock_clkin <= 0; + else begin + #1 + if ((clkfb_window && fb_delay_found) || (clkin_lost_out == 1'b1 && lock_out[0]==1'b1)) + lock_clkin <= 1; + else + if (chk_enable==1) + lock_clkin <= 0; + end + +always @(posedge clkfb_chk or posedge rst_in) + if (rst_in) + lock_clkfb <= 0; + else begin + #1 + if ((clkin_window && fb_delay_found) || (clkin_lost_out == 1'b1 && lock_out[0]==1'b1)) + lock_clkfb <= 1; + else + if (chk_enable ==1) + lock_clkfb <= 0; + end + +always @(negedge clkin_fb or posedge rst_in) + if (rst_in) + lock_delay <= 0; + else + lock_delay <= lock_clkin || lock_clkfb; + +// +// generate lock signal +// + +always @(posedge clkin_ps or posedge rst_in) + if (rst_in) begin + lock_out <= 2'b0; + locked_out <=0; + end + else begin + if (clkfb_type == 2'b00) + lock_out[0] <= lock_period; + else + lock_out[0] <= lock_period & lock_delay & lock_fb; + lock_out[1] <= lock_out[0]; + locked_out <= lock_out[1]; + end + +always @(negedge clkin_ps or posedge rst_in) + if (rst_in) + lock_out1_neg <= 0; + else + lock_out1_neg <= lock_out[1]; + + +// +// generate the clk1x_out +// + +always @(posedge clkin_ps or negedge clkin_ps or posedge rst_in) + if (rst_in) + clk0_out <= 0; + else + if (clkin_ps ==1) + if (clk1x_type==1 && lock_out[0]) begin + clk0_out <= 1; + #(period / 2) + clk0_out <= 0; + end + else + clk0_out <= 1; + else + if (clkin_ps == 0 && ((clk1x_type && lock_out[0]) == 0 || (lock_out[0]== 1 && lock_out[1]== 0))) + clk0_out <= 0; + +// +// generate the clk2x_out +// + +always @(posedge clkin_ps or posedge rst_in) + if (rst_in) + clk2x_out <= 0; + else begin + clk2x_out <= 1; + #(period / 4) + clk2x_out <= 0; + #(period / 4) + clk2x_out <= 1; + #(period / 4) + clk2x_out <= 0; + end + +// +// generate the clkdv_out +// + +always @(posedge clkin_ps or negedge clkin_ps or posedge rst_in) + if (rst_in) begin + clkdv_out <= 1'b0; + clkdv_cnt <= 0; + end + else + if (lock_out1_neg) begin + if (clkdv_cnt >= divide_type -1) + clkdv_cnt <= 0; + else + clkdv_cnt <= clkdv_cnt + 1; + + if (clkdv_cnt < divide_type /2) + clkdv_out <= 1'b1; + else + if ( (divide_type[0] == 1'b1) && dll_mode_type == 1'b0) + clkdv_out <= #(period/4) 1'b0; + else + clkdv_out <= 1'b0; + end + + +// +// generate fx output signal +// + +always @(lock_period or period or denominator or numerator) begin + if (lock_period == 1'b1) begin + period_fx = (period * denominator) / (numerator * 2); + remain_fx = (period * denominator) % (numerator * 2); + end +end + +always @(posedge clkin_ps or posedge clkin_lost_out or posedge rst_in ) + if (rst_in == 1) + clkfx_out = 1'b0; + else if (clkin_lost_out == 1'b1 ) begin + if (locked_out == 1) + @(negedge rst_reg[2]); + end + else + if (lock_out[1] == 1) begin + clkfx_out = 1'b1; + for (p = 0; p < (numerator * 2 - 1); p = p + 1) begin + #(period_fx); + if (p < remain_fx) + #1; + clkfx_out = !clkfx_out; + end + if (period_fx > (period / 2)) begin + #(period_fx - (period / 2)); + end + end + +// +// generate all output signal +// + +always @(rst_in) +if (rst_in) begin + assign CLK0 = 0; + assign CLK90 = 0; + assign CLK180 = 0; + assign CLK270 = 0; + assign CLK2X = 0; + assign CLK2X180 =0; + assign CLKDV = 0; + assign CLKFX = 0; + assign CLKFX180 = 0; +end +else begin + deassign CLK0; + deassign CLK90; + deassign CLK180; + deassign CLK270; + deassign CLK2X; + deassign CLK2X180; + deassign CLKDV; + deassign CLKFX; + deassign CLKFX180; +end + +always @(clk0_out) begin + CLK0 <= #(clkout_delay) clk0_out && (clkfb_type != 2'b00); + CLK90 <= #(clkout_delay + period / 4) clk0_out && !dll_mode_type && (clkfb_type != 2'b00); + CLK180 <= #(clkout_delay) ~clk0_out && (clkfb_type != 2'b00); + CLK270 <= #(clkout_delay + period / 4) ~clk0_out && !dll_mode_type && (clkfb_type != 2'b00); + end + +always @(clk2x_out) begin + CLK2X <= #(clkout_delay) clk2x_out && !dll_mode_type && (clkfb_type != 2'b00); + CLK2X180 <= #(clkout_delay) ~clk2x_out && !dll_mode_type && (clkfb_type != 2'b00); +end + +always @(clkdv_out) + CLKDV <= #(clkout_delay) clkdv_out && (clkfb_type != 2'b00); + +always @(clkfx_out ) + CLKFX <= #(clkout_delay) clkfx_out; + +always @( clkfx_out or first_time_locked or locked_out) + if ( ~first_time_locked) + CLKFX180 = 0; + else + CLKFX180 <= #(clkout_delay) ~clkfx_out; + + +endmodule + +////////////////////////////////////////////////////// + +module dcm_sp_clock_divide_by_2 (clock, clock_type, clock_out, rst); +input clock; +input clock_type; +input rst; +output clock_out; + +reg clock_out; +reg clock_div2; +reg [2:0] rst_reg; +wire clk_src; + +initial begin + clock_out = 1'b0; + clock_div2 = 1'b0; +end + +always @(posedge clock) + clock_div2 <= ~clock_div2; + +always @(posedge clock) begin + rst_reg[0] <= rst; + rst_reg[1] <= rst_reg[0] & rst; + rst_reg[2] <= rst_reg[1] & rst_reg[0] & rst; +end + +assign clk_src = (clock_type) ? clock_div2 : clock; + +always @(clk_src or rst or rst_reg) + if (rst == 1'b0) + clock_out = clk_src; + else if (rst == 1'b1) begin + clock_out = 1'b0; + @(negedge rst_reg[2]); + if (clk_src == 1'b1) + @(negedge clk_src); + end + + +endmodule + +module dcm_sp_maximum_period_check (clock, rst); +parameter clock_name = ""; +parameter maximum_period = 0; +input clock; +input rst; + +time clock_edge; +time clock_period; + +initial begin + clock_edge = 0; + clock_period = 0; +end + +always @(posedge clock) begin + clock_edge <= $time; +// clock_period <= $time - clock_edge; + clock_period = $time - clock_edge; + if (clock_period > maximum_period ) begin + if (rst == 0) + $display(" Warning : Input clock period of %1.3f ns, on the %s port of instance %m exceeds allowed value of %1.3f ns at time %1.3f ns.", clock_period/1000.0, clock_name, maximum_period/1000.0, $time/1000.0); + end +end +endmodule + +module dcm_sp_clock_lost (clock, enable, lost, rst); +input clock; +input enable; +input rst; +output lost; + +time clock_edge; +reg [63:0] period; +reg clock_low, clock_high; +reg clock_posedge, clock_negedge; +reg lost_r, lost_f, lost; +reg clock_second_pos, clock_second_neg; + +initial begin + clock_edge = 0; + clock_high = 0; + clock_low = 0; + lost_r = 0; + lost_f = 0; + period = 0; + clock_posedge = 0; + clock_negedge = 0; + clock_second_pos = 0; + clock_second_neg = 0; +end + +always @(posedge clock or posedge rst) + if (rst==1) + period <= 0; + else begin + clock_edge <= $time; + if (period != 0 && (($time - clock_edge) <= (1.5 * period))) + period <= $time - clock_edge; + else if (period != 0 && (($time - clock_edge) > (1.5 * period))) + period <= 0; + else if ((period == 0) && (clock_edge != 0) && clock_second_pos == 1) + period <= $time - clock_edge; + end + + +always @(posedge clock or posedge rst) + if (rst) + lost_r <= 0; + else + if (enable == 1 && clock_second_pos == 1) begin + #1; + if ( period != 0) + lost_r <= 0; + #((period * 9.1) / 10) + if ((clock_low != 1'b1) && (clock_posedge != 1'b1) && rst == 0) + lost_r <= 1; + end + +always @(posedge clock or negedge clock or posedge rst) + if (rst) begin + clock_second_pos <= 0; + clock_second_neg <= 0; + end + else if (clock) + clock_second_pos <= 1; + else if (~clock) + clock_second_neg <= 1; + +always @(negedge clock or posedge rst) + if (rst==1) begin + lost_f <= 0; + end + else begin + if (enable == 1 && clock_second_neg == 1) begin + if ( period != 0) + lost_f <= 0; + #((period * 9.1) / 10) + if ((clock_high != 1'b1) && (clock_negedge != 1'b1) && rst == 0) + lost_f <= 1; + end + end + +always @( lost_r or lost_f or enable) +begin + if (enable == 1) + lost = lost_r | lost_f; + else + lost = 0; +end + + +always @(posedge clock or negedge clock or posedge rst) + if (rst==1) begin + clock_low <= 1'b0; + clock_high <= 1'b0; + clock_posedge <= 1'b0; + clock_negedge <= 1'b0; + end + else begin + if (clock ==1) begin + clock_low <= 1'b0; + clock_high <= 1'b1; + clock_posedge <= 1'b0; + clock_negedge <= 1'b1; + end + else if (clock == 0) begin + clock_low <= 1'b1; + clock_high <= 1'b0; + clock_posedge <= 1'b1; + clock_negedge <= 1'b0; + end +end + + +endmodule diff --git a/fpga/usrp2/models/IBUFG.v b/fpga/usrp2/models/IBUFG.v new file mode 100644 index 000000000..c21cc1dc8 --- /dev/null +++ b/fpga/usrp2/models/IBUFG.v @@ -0,0 +1,59 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/IBUFG.v,v 1.7 2007/05/23 21:43:34 patrickp Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Functional Simulation Library Component +// / / Input Clock Buffer +// /___/ /\ Filename : IBUFG.v +// \ \ / \ Timestamp : Thu Mar 25 16:42:24 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. +// 05/23/07 - Changed timescale to 1 ps / 1 ps. + +`timescale 1 ps / 1 ps + + +module IBUFG (O, I); + + parameter CAPACITANCE = "DONT_CARE"; + parameter IBUF_DELAY_VALUE = "0"; + parameter IOSTANDARD = "DEFAULT"; + + output O; + input I; + + buf B1 (O, I); + + initial begin + + case (CAPACITANCE) + + "LOW", "NORMAL", "DONT_CARE" : ; + default : begin + $display("Attribute Syntax Error : The attribute CAPACITANCE on IBUFG instance %m is set to %s. Legal values for this attribute are DONT_CARE, LOW or NORMAL.", CAPACITANCE); + $finish; + end + + endcase + + + case (IBUF_DELAY_VALUE) + + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16" : ; + default : begin + $display("Attribute Syntax Error : The attribute IBUF_DELAY_VALUE on IBUFG instance %m is set to %s. Legal values for this attribute are 0, 1, 2, ... or 16.", IBUF_DELAY_VALUE); + $finish; + end + + endcase + + end // initial begin + +endmodule diff --git a/fpga/usrp2/models/IBUFGDS.v b/fpga/usrp2/models/IBUFGDS.v new file mode 100644 index 000000000..01c108c8d --- /dev/null +++ b/fpga/usrp2/models/IBUFGDS.v @@ -0,0 +1,87 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/IBUFGDS.v,v 1.8 2007/07/26 23:22:55 fphillip Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Functional Simulation Library Component +// / / Differential Signaling Input Clock Buffer +// /___/ /\ Filename : IBUFGDS.v +// \ \ / \ Timestamp : Thu Mar 25 16:42:24 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. +// 05/23/07 - Changed timescale to 1 ps / 1 ps. +// 07/26/07 - Add else to handle x case for o_out (CR 424214). +// End Revision + + +`timescale 1 ps / 1 ps + + +module IBUFGDS (O, I, IB); + + parameter CAPACITANCE = "DONT_CARE"; + parameter DIFF_TERM = "FALSE"; + parameter IBUF_DELAY_VALUE = "0"; + parameter IOSTANDARD = "DEFAULT"; + + output O; + input I, IB; + + reg o_out; + + buf b_0 (O, o_out); + + initial begin + + case (CAPACITANCE) + + "LOW", "NORMAL", "DONT_CARE" : ; + default : begin + $display("Attribute Syntax Error : The attribute CAPACITANCE on IBUFGDS instance %m is set to %s. Legal values for this attribute are DONT_CARE, LOW or NORMAL.", CAPACITANCE); + $finish; + end + + endcase + + + case (DIFF_TERM) + + "TRUE", "FALSE" : ; + default : begin + $display("Attribute Syntax Error : The attribute DIFF_TERM on IBUFGDS instance %m is set to %s. Legal values for this attribute are TRUE or FALSE.", DIFF_TERM); + $finish; + end + + endcase + + + case (IBUF_DELAY_VALUE) + + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16" : ; + default : begin + $display("Attribute Syntax Error : The attribute IBUF_DELAY_VALUE on IBUFGDS instance %m is set to %s. Legal values for this attribute are 0, 1, 2, ... or 16.", IBUF_DELAY_VALUE); + $finish; + end + + endcase + + end + + always @(I or IB) begin + if (I == 1'b1 && IB == 1'b0) + o_out <= I; + else if (I == 1'b0 && IB == 1'b1) + o_out <= I; + else if (I == 1'bx && IB == 1'bx) + o_out <= 1'bx; + end + +endmodule + + diff --git a/fpga/usrp2/models/IDDR2.v b/fpga/usrp2/models/IDDR2.v new file mode 100644 index 000000000..727f1c568 --- /dev/null +++ b/fpga/usrp2/models/IDDR2.v @@ -0,0 +1,172 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/spartan4/IDDR2.v,v 1.1 2004/06/21 21:45:36 wloo Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Functional Simulation Library Component +// / / Dual Data Rate Input D Flip-Flop +// /___/ /\ Filename : IDDR2.v +// \ \ / \ Timestamp : Thu Mar 25 16:43:51 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. + +`timescale 1 ps / 1 ps + +module IDDR2 (Q0, Q1, C0, C1, CE, D, R, S); + + output Q0; + output Q1; + + input C0; + input C1; + input CE; + input D; + tri0 GSR = glbl.GSR; + input R; + input S; + + parameter DDR_ALIGNMENT = "NONE"; + parameter INIT_Q0 = 1'b0; + parameter INIT_Q1 = 1'b0; + parameter SRTYPE = "SYNC"; + + reg q0_out, q1_out; + reg q0_out_int, q1_out_int; + reg q0_c1_out_int, q1_c0_out_int; + + buf buf_q0 (Q0, q0_out); + buf buf_q1 (Q1, q1_out); + + + initial begin + + if ((INIT_Q0 != 1'b0) && (INIT_Q0 != 1'b1)) begin + $display("Attribute Syntax Error : The attribute INIT_Q0 on IDDR2 instance %m is set to %d. Legal values for this attribute are 0 or 1.", INIT_Q0); + $finish; + end + + if ((INIT_Q1 != 1'b0) && (INIT_Q1 != 1'b1)) begin + $display("Attribute Syntax Error : The attribute INIT_Q0 on IDDR2 instance %m is set to %d. Legal values for this attribute are 0 or 1.", INIT_Q1); + $finish; + end + + if ((DDR_ALIGNMENT != "C1") && (DDR_ALIGNMENT != "C0") && (DDR_ALIGNMENT != "NONE")) begin + $display("Attribute Syntax Error : The attribute DDR_ALIGNMENT on IDDR2 instance %m is set to %s. Legal values for this attribute are C0, C1 or NONE.", DDR_ALIGNMENT); + $finish; + end + + if ((SRTYPE != "ASYNC") && (SRTYPE != "SYNC")) begin + $display("Attribute Syntax Error : The attribute SRTYPE on IDDR2 instance %m is set to %s. Legal values for this attribute are ASYNC or SYNC.", SRTYPE); + $finish; + end + + end // initial begin + + + always @(GSR or R or S) begin + + if (GSR == 1) begin + + assign q0_out_int = INIT_Q0; + assign q1_out_int = INIT_Q1; + assign q0_c1_out_int = INIT_Q0; + assign q1_c0_out_int = INIT_Q1; + + end + else begin + + deassign q0_out_int; + deassign q1_out_int; + deassign q0_c1_out_int; + deassign q1_c0_out_int; + + if (SRTYPE == "ASYNC") begin + if (R == 1) begin + assign q0_out_int = 0; + assign q1_out_int = 0; + assign q0_c1_out_int = 0; + assign q1_c0_out_int = 0; + end + else if (R == 0 && S == 1) begin + assign q0_out_int = 1; + assign q1_out_int = 1; + assign q0_c1_out_int = 1; + assign q1_c0_out_int = 1; + end + end // if (SRTYPE == "ASYNC") + + end // if (GSR == 1'b0) + + end // always @ (GSR or R or S) + + + always @(posedge C0) begin + if (R == 1 && SRTYPE == "SYNC") begin + q0_out_int <= 0; + q1_c0_out_int <= 0; + end + else if (R == 0 && S == 1 && SRTYPE == "SYNC") begin + q0_out_int <= 1; + q1_c0_out_int <= 1; + end + else if (CE == 1 && R == 0 && S == 0) begin + q0_out_int <= D; + q1_c0_out_int <= q1_out_int; + end + end // always @ (posedge C0) + + + always @(posedge C1) begin + if (R == 1 && SRTYPE == "SYNC") begin + q1_out_int <= 0; + q0_c1_out_int <= 0; + end + else if (R == 0 && S == 1 && SRTYPE == "SYNC") begin + q1_out_int <= 1; + q0_c1_out_int <= 1; + end + else if (CE == 1 && R == 0 && S == 0) begin + q1_out_int <= D; + q0_c1_out_int <= q0_out_int; + end + end // always @ (posedge C1) + + + always @(q0_out_int or q1_out_int or q1_c0_out_int or q0_c1_out_int) begin + + case (DDR_ALIGNMENT) + "NONE" : begin + q0_out <= q0_out_int; + q1_out <= q1_out_int; + end + "C0" : begin + q0_out <= q0_out_int; + q1_out <= q1_c0_out_int; + end + "C1" : begin + q0_out <= q0_c1_out_int; + q1_out <= q1_out_int; + end + endcase // case(DDR_ALIGNMENT) + + end // always @ (q0_out_int or q1_out_int or q1_c0_out_int or q0_c1_out_int) + + + specify + + if (C0) (C0 => Q0) = (100, 100); + if (C0) (C0 => Q1) = (100, 100); + if (C1) (C1 => Q1) = (100, 100); + if (C1) (C1 => Q0) = (100, 100); + specparam PATHPULSE$ = 0; + + endspecify + +endmodule // IDDR2 + diff --git a/fpga/usrp2/models/ODDR2.v b/fpga/usrp2/models/ODDR2.v new file mode 100644 index 000000000..67e71761d --- /dev/null +++ b/fpga/usrp2/models/ODDR2.v @@ -0,0 +1,157 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/spartan4/ODDR2.v,v 1.1 2004/06/21 21:45:36 wloo Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Functional Simulation Library Component +// / / Dual Data Rate Output D Flip-Flop +// /___/ /\ Filename : ODDR2.v +// \ \ / \ Timestamp : Thu Mar 25 16:43:52 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. + +`timescale 1 ps / 1 ps + +module ODDR2 (Q, C0, C1, CE, D0, D1, R, S); + + output Q; + + input C0; + input C1; + input CE; + input D0; + input D1; + tri0 GSR = glbl.GSR; + input R; + input S; + + parameter DDR_ALIGNMENT = "NONE"; + parameter INIT = 1'b0; + parameter SRTYPE = "SYNC"; + + reg q_out, q_d0_c1_out_int, q_d1_c0_out_int; + + buf buf_q (Q, q_out); + + + initial begin + + if ((INIT != 1'b0) && (INIT != 1'b1)) begin + $display("Attribute Syntax Error : The attribute INIT on ODDR2 instance %m is set to %d. Legal values for this attribute are 0 or 1.", INIT); + $finish; + end + + if ((DDR_ALIGNMENT != "NONE") && (DDR_ALIGNMENT != "C0") && (DDR_ALIGNMENT != "C1")) begin + $display("Attribute Syntax Error : The attribute DDR_ALIGNMENT on ODDR2 instance %m is set to %s. Legal values for this attribute are NONE, C0 or C1.", DDR_ALIGNMENT); + $finish; + end + + if ((SRTYPE != "ASYNC") && (SRTYPE != "SYNC")) begin + $display("Attribute Syntax Error : The attribute SRTYPE on ODDR2 instance %m is set to %s. Legal values for this attribute are ASYNC or SYNC.", SRTYPE); + $finish; + end + + end // initial begin + + + always @(GSR or R or S) begin + + if (GSR == 1) begin + + assign q_out = INIT; + assign q_d0_c1_out_int = INIT; + assign q_d1_c0_out_int = INIT; + + end + else begin + + deassign q_out; + deassign q_d0_c1_out_int; + deassign q_d1_c0_out_int; + + if (SRTYPE == "ASYNC") begin + if (R == 1) begin + assign q_out = 0; + assign q_d0_c1_out_int = 0; + assign q_d1_c0_out_int = 0; + end + else if (R == 0 && S == 1) begin + assign q_out = 1; + assign q_d0_c1_out_int = 1; + assign q_d1_c0_out_int = 1; + end + end // if (SRTYPE == "ASYNC") + + end // if (GSR == 1'b0) + + end // always @ (GSR or R or S) + + + always @(posedge C0) begin + + if (R == 1 && SRTYPE == "SYNC") begin + q_out <= 0; + q_d1_c0_out_int <= 0; + end + else if (R == 0 && S == 1 && SRTYPE == "SYNC") begin + q_out <= 1; + q_d1_c0_out_int <= 1; + end + else if (CE == 1 && R == 0 && S == 0) begin + + if (DDR_ALIGNMENT == "C1") + q_out <= q_d0_c1_out_int; + else begin + q_out <= D0; + + if (DDR_ALIGNMENT == "C0") + q_d1_c0_out_int <= D1; + end + + end // if (CE == 1 && R == 0 && S == 0) + + end // always @ (posedge C0) + + + always @(posedge C1) begin + + if (R == 1 && SRTYPE == "SYNC") begin + q_out <= 0; + q_d0_c1_out_int <= 0; + end + else if (R == 0 && S == 1 && SRTYPE == "SYNC") begin + q_out <= 1; + q_d0_c1_out_int <= 1; + end + else if (CE == 1 && R == 0 && S == 0) begin + + if (DDR_ALIGNMENT == "C0") + q_out <= q_d1_c0_out_int; + else begin + q_out <= D1; + + if (DDR_ALIGNMENT == "C1") + q_d0_c1_out_int <= D0; + end + + end // if (CE == 1 && R == 0 && S == 0) + + end // always @ (negedge c_in) + + + specify + + if (C0) (C0 => Q) = (100, 100); + if (C1) (C1 => Q) = (100, 100); + specparam PATHPULSE$ = 0; + + endspecify + +endmodule // ODDR2 + diff --git a/fpga/usrp2/models/PLL_ADV.v b/fpga/usrp2/models/PLL_ADV.v new file mode 100644 index 000000000..d6a26e541 --- /dev/null +++ b/fpga/usrp2/models/PLL_ADV.v @@ -0,0 +1,2142 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/rainier/PLL_ADV.v,v 1.43.4.1 2007/12/07 01:25:16 yanx Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Function Simulation Library Component +// / / Phase Lock Loop Clock +// /___/ /\ Filename : PLL_ADV.v +// \ \ / \ Timestamp : Thu Mar 25 16:44:07 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/15/05 - Initial version. +// 10/14/05 - Add REL pin. +// 11/07/05 - Add PMCD. +// 12/02/05 - Change parameter default values. Add DRP read/write. +// 12/22/05 - CR 222805 222809 fix. +// 01/03/06 - Change RST_DEASSER_CLK value to CLKIN1 and CLKFB (BT#735). +// 01/11/06 - Remove GSR from reset logic of PLL (CR 223099). +// 01/26/06 - Add reset to locked logic (CR224502). +// 02/16/06 - Support -360 6o +360 phase shifting (CR 225765) +// 03/10/06 - Add parameter type declaration (CR 226003) +// 03/17/06 - Using assign/deassign to reset pll_locked_tmp2 and reduce +// lock time by MD (CR 224502). +// 04/19/06 - Change i to i1 and i2 in clkvco_lk. (CR230260). +// 07/17/06 - Remove i2 and first 4 clkvco_lk cycle generation (CR234931). +// 08/23/06 - Use clkout_en_tmp to generate clkout_en0; Use block statement to +// reset clock stop counter and flag. (CR422250) +// 09/19/06 - md_product update (CR 424286). +// 09/27/06 - Add error check for RESET_ON_LOSS_OF_LOCK (CR 425255). +// 11/10/06 - Keep 3 digits for real in duty cycle check function. (CR 428703). +// 01/12/07 - Add CLKOUT_DESKEW_ADJUST parameters (CR 432189). +// 03/30/07 - Fix error message for CLKSEL change in RST=0 (CR 436927). +// 04/09/07 - Enhance error message for RESET_ON_LOSS_OF_LOCK (CR 437405). +// 04/10/07 - Using assign/deassign to reset signals with # delay (CR 437660). +// 05/22/07 - Add setup check for REL (438781). +// 06/04/07 - Add wire declaration to internal signal. +// 06/8/07 - Generate clkfb_tst when GSR=0; +// - Chang VCOCLK_FREQ_MAX and VCOCLK_FREQ_MIN to parameter for simprim (BT1485). +// 06/18/07 - Improve error message for VCO (CR ). Initialize DRP mem (CR ). +// - Add CLKFBIN pulse width check (BT1476). +// 06/28/07 - Initial DRP memory (CR 434042), Error message improve (CR 438250). +// 07/11/07 - change daddr_in to 5 bits (CR 443757). +// 08/02/07 - Remove numbers from CLKOUT DESKEW_ADJUST check (CR443161). +// 08/21/07 - Not check CLKIN period when PMCD mode set (445101). +// Fix DUTY_CYCLE_MAX formula in case of divider larger than O_MAX_HT_LT (CR445945). +// Add warning if phase shift over pll ability (63 vco) (CR446037). +// 09/20/07 - Seperate fb_delay and delay_edge to handle 0 fb_delay (CR448938) +// 10/23/07 - Add warnings to initial phase shift calculation (CR448965) +// 11/01/07 - Remove zero check for CLKOUTx dly register bit15-8 (CR434042) +// 12/06/07 - Add I/O buf to simprim (CR456124) +// End Revision + + +`timescale 1 ps / 1 ps +`define PLL_LOCK_TIME 7 + + +module PLL_ADV ( + CLKFBDCM, + CLKFBOUT, + CLKOUT0, + CLKOUT1, + CLKOUT2, + CLKOUT3, + CLKOUT4, + CLKOUT5, + CLKOUTDCM0, + CLKOUTDCM1, + CLKOUTDCM2, + CLKOUTDCM3, + CLKOUTDCM4, + CLKOUTDCM5, + DO, + DRDY, + LOCKED, + CLKFBIN, + CLKIN1, + CLKIN2, + CLKINSEL, + DADDR, + DCLK, + DEN, + DI, + DWE, + REL, + RST +); + +parameter BANDWIDTH = "OPTIMIZED"; +parameter CLKFBOUT_DESKEW_ADJUST = "NONE"; +parameter CLKOUT0_DESKEW_ADJUST = "NONE"; +parameter CLKOUT1_DESKEW_ADJUST = "NONE"; +parameter CLKOUT2_DESKEW_ADJUST = "NONE"; +parameter CLKOUT3_DESKEW_ADJUST = "NONE"; +parameter CLKOUT4_DESKEW_ADJUST = "NONE"; +parameter CLKOUT5_DESKEW_ADJUST = "NONE"; +parameter integer CLKFBOUT_MULT = 1; +parameter real CLKFBOUT_PHASE = 0.0; +parameter real CLKIN1_PERIOD = 0.000; +parameter real CLKIN2_PERIOD = 0.000; +parameter integer CLKOUT0_DIVIDE = 1; +parameter real CLKOUT0_DUTY_CYCLE = 0.5; +parameter real CLKOUT0_PHASE = 0.0; +parameter integer CLKOUT1_DIVIDE = 1; +parameter real CLKOUT1_DUTY_CYCLE = 0.5; +parameter real CLKOUT1_PHASE = 0.0; +parameter integer CLKOUT2_DIVIDE = 1; +parameter real CLKOUT2_DUTY_CYCLE = 0.5; +parameter real CLKOUT2_PHASE = 0.0; +parameter integer CLKOUT3_DIVIDE = 1; +parameter real CLKOUT3_DUTY_CYCLE = 0.5; +parameter real CLKOUT3_PHASE = 0.0; +parameter integer CLKOUT4_DIVIDE = 1; +parameter real CLKOUT4_DUTY_CYCLE = 0.5; +parameter real CLKOUT4_PHASE = 0.0; +parameter integer CLKOUT5_DIVIDE = 1; +parameter real CLKOUT5_DUTY_CYCLE = 0.5; +parameter real CLKOUT5_PHASE = 0.0; +parameter COMPENSATION = "SYSTEM_SYNCHRONOUS"; +parameter integer DIVCLK_DIVIDE = 1; +parameter EN_REL = "FALSE"; +parameter PLL_PMCD_MODE = "FALSE"; +parameter real REF_JITTER = 0.100; +parameter RESET_ON_LOSS_OF_LOCK = "FALSE"; +parameter RST_DEASSERT_CLK = "CLKIN1"; + +localparam VCOCLK_FREQ_MAX = 1100; +localparam VCOCLK_FREQ_MIN = 400; + +output CLKFBDCM; +output CLKFBOUT; +output CLKOUT0; +output CLKOUT1; +output CLKOUT2; +output CLKOUT3; +output CLKOUT4; +output CLKOUT5; +output CLKOUTDCM0; +output CLKOUTDCM1; +output CLKOUTDCM2; +output CLKOUTDCM3; +output CLKOUTDCM4; +output CLKOUTDCM5; +output DRDY; +output LOCKED; +output [15:0] DO; + +input CLKFBIN; +input CLKIN1; +input CLKIN2; +input CLKINSEL; +input DCLK; +input DEN; +input DWE; +input REL; +input RST; +input [15:0] DI; +input [4:0] DADDR; + +localparam VCOCLK_FREQ_TARGET = 800; +localparam CLKIN_FREQ_MAX = 1000; +localparam CLKIN_FREQ_MIN = 1; //need check speed file, current is TBD +localparam CLKPFD_FREQ_MAX = 550; +localparam CLKPFD_FREQ_MIN = 1; //need check speed file, current is TBD +localparam M_MIN = 1; +localparam M_MAX = 74; +localparam D_MIN = 1; +localparam D_MAX = 52; +localparam O_MIN = 1; +localparam O_MAX = 128; +localparam O_MAX_HT_LT = 64; +localparam REF_CLK_JITTER_MAX = 350; +localparam REF_CLK_JITTER_SCALE = 0.1; +localparam MAX_FEEDBACK_DELAY = 10.0; +localparam MAX_FEEDBACK_DELAY_SCALE = 1.0; + +tri0 GSR = glbl.GSR; + +reg [4:0] daddr_lat; +reg valid_daddr; +reg drdy_out; +reg drp_lock, drp_lock1; +reg [15:0] dr_sram [31:0]; +reg [160:0] tmp_string; + +wire CLKFBIN, CLKIN1, CLKIN2, CLKINSEL ; +wire rst_in, RST, orig_rst_in ; +wire locked_out; +wire clkvco_lk_rst; + +reg clk0_out, clk1_out, clk2_out, clk3_out, clk4_out, clk5_out; +reg clkfb_out, clkfbm1_out; +reg clkout_en, clkout_en1, clkout_en0, clkout_en0_tmp; +integer clkout_cnt, clkin_cnt, clkin_lock_cnt; +integer clkout_en_time, locked_en_time, lock_cnt_max; +reg clkvco_lk, clkvco_free, clkvco; +reg fbclk_tmp; + +reg rst_in1, rst_unlock, rst_on_loss; +time rst_edge, rst_ht; + +reg fb_delay_found, fb_delay_found_tmp; +reg clkfb_tst; +real fb_delay_max; +time fb_delay, clkvco_delay, val_tmp, dly_tmp, fbm1_comp_delay; +time clkin_edge, delay_edge; + +real period_clkin; +integer clkin_period [4:0]; +integer period_vco, period_vco_half, period_vco_max, period_vco_min; +integer period_vco1, period_vco2, period_vco3, period_vco4; +integer period_vco5, period_vco6, period_vco7; +integer period_vco_target, period_vco_target_half; +integer period_fb, period_avg; + +real clkvco_freq_init_chk, clkfbm1pm_rl; +real tmp_real; +integer i, j, i1, i2; +integer md_product, md_product_dbl, clkin_stop_max, clkfb_stop_max; + +time pll_locked_delay, clkin_dly_t, clkfb_dly_t; +reg clkpll_dly, clkfbin_dly; +wire pll_unlock; +reg pll_locked_tmp1, pll_locked_tmp2; +reg lock_period; +reg pll_locked_tm, unlock_recover; +reg clkin_stopped_p, clkin_stopped_n; +reg clkfb_stopped_p, clkfb_stopped_n; +wire clkin_stopped, clkfb_stopped; +reg clkpll_jitter_unlock; +integer clkstop_cnt_p, clkstop_cnt_n, clkfbstop_cnt_p, clkfbstop_cnt_n; +integer clkin_jit, REF_CLK_JITTER_MAX_tmp; + +wire REL, DWE, DEN, DCLK, rel_o_mux_clk_tmp, clka1_in, clkb1_in; +wire init_trig, clkpll_tmp, clkpll, clk0in, clk1in, clk2in, clk3in, clk4in, clk5in; +wire clkfbm1in, clkfbm1ps_en; + + +reg clkout0_out; +reg clkout1_out; +reg clkout2_out; +reg clkout3_out; +reg clkout4_out; +reg clkout5_out; + +reg clka1_out, clkb1_out, clka1d2_out, clka1d4_out, clka1d8_out; +reg clkdiv_rel_rst, qrel_o_reg1, qrel_o_reg2, qrel_o_reg3, rel_o_mux_sel; +reg pmcd_mode; +reg chk_ok; + +wire rel_rst_o, rel_o_mux_clk; +wire clk0ps_en, clk1ps_en, clk2ps_en, clk3ps_en, clk4ps_en, clk5ps_en; + +reg [7:0] clkout_mux; +reg [2:0] clk0pm_sel, clk1pm_sel, clk2pm_sel, clk3pm_sel, clk4pm_sel, clk5pm_sel; +reg [2:0] clkfbm1pm_sel; +reg clk0_edge, clk1_edge, clk2_edge, clk3_edge, clk4_edge, clk5_edge; +reg clkfbm1_edge, clkind_edge; +reg clk0_nocnt, clk1_nocnt, clk2_nocnt, clk3_nocnt, clk4_nocnt, clk5_nocnt; +reg clkfbm1_nocnt, clkind_nocnt; +reg clkind_edget, clkind_nocntt; +reg [5:0] clk0_dly_cnt, clkout0_dly; +reg [5:0] clk1_dly_cnt, clkout1_dly; +reg [5:0] clk2_dly_cnt, clkout2_dly; +reg [5:0] clk3_dly_cnt, clkout3_dly; +reg [5:0] clk4_dly_cnt, clkout4_dly; +reg [5:0] clk5_dly_cnt, clkout5_dly; +reg [6:0] clk0_ht, clk0_lt; +reg [6:0] clk1_ht, clk1_lt; +reg [6:0] clk2_ht, clk2_lt; +reg [6:0] clk3_ht, clk3_lt; +reg [6:0] clk4_ht, clk4_lt; +reg [6:0] clk5_ht, clk5_lt; +reg [5:0] clkfbm1_dly_cnt, clkfbm1_dly; +reg [6:0] clkfbm1_ht, clkfbm1_lt; +reg [7:0] clkind_ht, clkind_lt; +reg [7:0] clkind_htt, clkind_ltt; +reg [7:0] clk0_ht1, clk0_cnt, clk0_div, clk0_div1; +reg [7:0] clk1_ht1, clk1_cnt, clk1_div, clk1_div1; +reg [7:0] clk2_ht1, clk2_cnt, clk2_div, clk2_div1; +reg [7:0] clk3_ht1, clk3_cnt, clk3_div, clk3_div1; +reg [7:0] clk4_ht1, clk4_cnt, clk4_div, clk4_div1; +reg [7:0] clk5_ht1, clk5_cnt, clk5_div, clk5_div1; +reg [7:0] clkfbm1_ht1, clkfbm1_cnt, clkfbm1_div, clkfbm1_div1; +reg [7:0] clkind_div; +reg [3:0] pll_cp, pll_res; +reg [1:0] pll_lfhf; +reg [1:0] pll_cpres = 2'b01; + +reg notifier; +wire [15:0] do_out, di_in; +wire clkin1_in, clkin2_in, clkfb_in, clkinsel_in, dwe_in, den_in, dclk_in; +wire [4:0] daddr_in; +wire rel_in, gsr_in, rst_input; + + assign #100 LOCKED = locked_out; + assign #100 DRDY = drdy_out; + assign #100 DO = do_out; + assign clkin1_in = CLKIN1; + assign clkin2_in = CLKIN2; + assign clkfb_in = CLKFBIN; + assign clkinsel_in = CLKINSEL; + assign rst_input = RST; + assign daddr_in = DADDR; + assign di_in = DI; + assign dwe_in = DWE; + assign den_in = DEN; + assign dclk_in = DCLK; + assign rel_in = REL; + + + +initial begin + #1; + if ($realtime == 0) begin + $display ("Simulator Resolution Error : Simulator resolution is set to a value greater than 1 ps."); + $display ("In order to simulate the PLL_ADV, the simulator resolution must be set to 1ps or smaller."); + $finish; + end +end + +initial begin + + case (COMPENSATION) + "SYSTEM_SYNCHRONOUS" : ; + "SOURCE_SYNCHRONOUS" : ; + "INTERNAL" : ; + "EXTERNAL" : ; + "DCM2PLL" : ; + "PLL2DCM" : ; + default : begin + $display("Attribute Syntax Error : The Attribute COMPENSATION on PLL_ADV instance %m is set to %s. Legal values for this attribute are SYSTEM_SYNCHRONOUS, SOURCE_SYNCHRONOUS, INTERNAL, EXTERNAL, DCM2PLL or PLL2DCM.", COMPENSATION); + $finish; + end + endcase + + case (BANDWIDTH) + "HIGH" : ; + "LOW" : ; + "OPTIMIZED" : ; + default : begin + $display("Attribute Syntax Error : The Attribute BANDWIDTH on PLL_ADV instance %m is set to %s. Legal values for this attribute are HIGH, LOW or OPTIMIZED.", BANDWIDTH); + $finish; + end + endcase + + case (CLKOUT0_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT0_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKOUT0_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKOUT1_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT1_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC .", CLKOUT1_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKOUT2_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT2_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKOUT2_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKOUT3_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT3_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKOUT3_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKOUT4_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT4_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKOUT4_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKOUT5_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKOUT5_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKOUT5_DESKEW_ADJUST); + $finish; + end + endcase + + case (CLKFBOUT_DESKEW_ADJUST) + "NONE" : ; + "PPC" : ; + default : begin + $display("Attribute Syntax Error : The Attribute CLKFBOUT_DESKEW_ADJUST on PLL_ADV instance %m is set to %s. Legal values for this attribute are NONE or PPC.", CLKFBOUT_DESKEW_ADJUST); + $finish; + end + endcase + + + case (PLL_PMCD_MODE) + "TRUE" : pmcd_mode = 1'b1; + "FALSE" : pmcd_mode = 1'b0; + default : begin + $display("Attribute Syntax Error : The Attribute PLL_PMCD_MODE on PLL_ADV instance %m is set to %s. Legal values for this attribute are FALSE or TRUE.", PLL_PMCD_MODE); + $finish; + end + endcase + + tmp_string = "CLKOUT0_DIVIDE"; + chk_ok = para_int_pmcd_chk(CLKOUT0_DIVIDE, tmp_string, 1, 128, pmcd_mode, 8); + tmp_string = "CLKOUT0_PHASE"; + chk_ok = para_real_pmcd_chk(CLKOUT0_PHASE, tmp_string, -360.0, 360.0, pmcd_mode, 0.0); + tmp_string = "CLKOUT0_DUTY_CYCLE"; + chk_ok = para_real_pmcd_chk(CLKOUT0_DUTY_CYCLE, tmp_string, 0.0, 1.0, pmcd_mode, 0.5); + + tmp_string = "CLKOUT1_DIVIDE"; + chk_ok = para_int_pmcd_chk(CLKOUT1_DIVIDE, tmp_string, 1, 128, pmcd_mode, 4); + tmp_string = "CLKOUT1_PHASE"; + chk_ok = para_real_pmcd_chk(CLKOUT1_PHASE, tmp_string, -360.0, 360.0, pmcd_mode, 0.0); + tmp_string = "CLKOUT1_DUTY_CYCLE"; + chk_ok = para_real_pmcd_chk(CLKOUT1_DUTY_CYCLE, tmp_string, 0.0, 1.0, pmcd_mode, 0.5); + + tmp_string = "CLKOUT2_DIVIDE"; + chk_ok = para_int_pmcd_chk(CLKOUT2_DIVIDE, tmp_string, 1, 128, pmcd_mode, 2); + tmp_string = "CLKOUT2_PHASE"; + chk_ok = para_real_pmcd_chk(CLKOUT2_PHASE, tmp_string, -360.0, 360.0, pmcd_mode, 0.0); + tmp_string = "CLKOUT2_DUTY_CYCLE"; + chk_ok = para_real_pmcd_chk(CLKOUT2_DUTY_CYCLE, tmp_string, 0.0, 1.0, pmcd_mode, 0.5); + + tmp_string = "CLKOUT3_DIVIDE"; + chk_ok = para_int_pmcd_chk(CLKOUT3_DIVIDE, tmp_string, 1, 128, pmcd_mode, 1); + tmp_string = "CLKOUT3_PHASE"; + chk_ok = para_real_pmcd_chk(CLKOUT3_PHASE, tmp_string, -360.0, 360.0, pmcd_mode, 0.0); + tmp_string = "CLKOUT3_DUTY_CYCLE"; + chk_ok = para_real_pmcd_chk(CLKOUT3_DUTY_CYCLE, tmp_string, 0.0, 1.0, pmcd_mode, 0.5); + + tmp_string = "CLKOUT4_DIVIDE"; + chk_ok = para_int_range_chk(CLKOUT4_DIVIDE, tmp_string, 1, 128); + tmp_string = "CLKOUT4_PHASE"; + chk_ok = para_real_range_chk(CLKOUT4_PHASE, tmp_string, -360.0, 360.0); + tmp_string = "CLKOUT4_DUTY_CYCLE"; + chk_ok = para_real_range_chk(CLKOUT4_DUTY_CYCLE, tmp_string, 0.0, 1.0); + + tmp_string = "CLKOUT5_DIVIDE"; + chk_ok = para_int_range_chk (CLKOUT5_DIVIDE, tmp_string, 1, 128); + tmp_string = "CLKOUT5_PHASE"; + chk_ok = para_real_range_chk(CLKOUT5_PHASE, tmp_string, -360.0, 360.0); + tmp_string = "CLKOUT5_DUTY_CYCLE"; + chk_ok = para_real_range_chk (CLKOUT5_DUTY_CYCLE, tmp_string, 0.0, 1.0); + + tmp_string = "CLKFBOUT_MULT"; + chk_ok = para_int_pmcd_chk(CLKFBOUT_MULT, tmp_string, 1, 74, pmcd_mode, 1); + tmp_string = "CLKFBOUT_PHASE"; + chk_ok = para_real_pmcd_chk(CLKFBOUT_PHASE, tmp_string, -360.0, 360.0, pmcd_mode, 0.0); + tmp_string = "DIVCLK_DIVIDE"; + chk_ok = para_int_range_chk (DIVCLK_DIVIDE, tmp_string, 1, 52); + + tmp_string = "REF_JITTER"; + chk_ok = para_real_range_chk (REF_JITTER, tmp_string, 0.0, 0.999); + if (((CLKIN1_PERIOD < 1.0) || (CLKIN1_PERIOD > 52.630)) && (pmcd_mode == 0)) begin + $display("Attribute Syntax Error : CLKIN1_PERIOD is not in range 1.0 ... 52.630."); + end + + if (((CLKIN2_PERIOD < 1.0) || (CLKIN2_PERIOD > 52.630)) && (pmcd_mode == 0)) begin + $display("Attribute Syntax Error : CLKIN1_PERIOD is not in range 1.0 ... 52.630."); + end + + + case (RESET_ON_LOSS_OF_LOCK) + "FALSE" : rst_on_loss = 1'b0; +// "TRUE" : if (pmcd_mode) rst_on_loss = 1'b0; else rst_on_loss = 1'b1; + default : begin + $display("Attribute Syntax Error : The Attribute RESET_ON_LOSS_OF_LOCK on PLL_ADV instance %m is set to %s. This attribute must always be set to FALSE for X_PLL_ADV to function correctly. Please correct the setting for the attribute and re-run the simulation.", RESET_ON_LOSS_OF_LOCK); + $finish; + end + endcase + + case (CLKFBOUT_MULT) + 1 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1101; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b0101; pll_res = 4'b1111; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b0101; pll_res = 4'b1111; pll_lfhf = 2'b11; end + 2 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1111; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b1111; pll_lfhf = 2'b11; end + 3 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b0111; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b0110; pll_res = 4'b0101; pll_lfhf = 2'b11; end + 4 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1101; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b0111; pll_res = 4'b1001; pll_lfhf = 2'b11; end + 5 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b0101; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1101; pll_res = 4'b1001; pll_lfhf = 2'b11; end + 6 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b0101; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b0111; pll_res = 4'b0001; pll_lfhf = 2'b11; end + 7 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1001; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0001; pll_lfhf = 2'b11; end + 8 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b1110; pll_lfhf = 2'b11; end + 9 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b0001; pll_lfhf = 2'b11; end + 10 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b0001; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b0001; pll_lfhf = 2'b11; end + 11 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b0001; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1101; pll_res = 4'b0110; pll_lfhf = 2'b11; end + 12 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b0110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b0110; pll_lfhf = 2'b11; end + 13 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b0110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b0110; pll_lfhf = 2'b11; end + 14 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b0110; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b0110; pll_lfhf = 2'b11; end + 15 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH === "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b1010; pll_lfhf = 2'b11; end + 16 : if (BANDWIDTH === "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b1010; pll_lfhf = 2'b11; end + 17 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + 18 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + 19 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + 20 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 21 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 22 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1101; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1101; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 23 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1101; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1101; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 24 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1101; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0111; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 25 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 26 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 27 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1111; pll_res = 4'b1100; pll_lfhf = 2'b11; end + 28 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 29 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 30 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0001; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1110; pll_res = 4'b1100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 31 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 32 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b1100; pll_res = 4'b0010; pll_lfhf = 2'b11; end + 33 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b1111; pll_res = 4'b1010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 34 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0111; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 35 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0111; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 36 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0111; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 37 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0110; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 38 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0110; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 39 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 40 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 41 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 42 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 43 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 44 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0100; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 45 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 46 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 47 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0101; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 48 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0101; pll_res = 4'b0010; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 49 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 50 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 51 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 52 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 53 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 54 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 55 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 56 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0011; pll_res = 4'b0100; pll_lfhf = 2'b11; end + 57 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 58 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 59 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 60 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 61 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 62 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 63 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + 64 : if (BANDWIDTH == "LOW") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "HIGH") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + else if (BANDWIDTH == "OPTIMIZED") begin pll_cp = 4'b0010; pll_res = 4'b1000; pll_lfhf = 2'b11; end + endcase + + + tmp_string = "DIVCLK_DIVIDE"; + chk_ok = para_int_range_chk (DIVCLK_DIVIDE, tmp_string, D_MIN, D_MAX); + + tmp_string = "CLKFBOUT_MULT"; + chk_ok = para_int_range_chk (CLKFBOUT_MULT, tmp_string, M_MIN, M_MAX); + + tmp_string = "CLKOUT0_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT0_DIVIDE, CLKOUT0_DUTY_CYCLE, tmp_string); + tmp_string = "CLKOUT1_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT1_DIVIDE, CLKOUT1_DUTY_CYCLE, tmp_string); + tmp_string = "CLKOUT2_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT2_DIVIDE, CLKOUT2_DUTY_CYCLE, tmp_string); + tmp_string = "CLKOUT3_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT3_DIVIDE, CLKOUT3_DUTY_CYCLE, tmp_string); + tmp_string = "CLKOUT4_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT4_DIVIDE, CLKOUT4_DUTY_CYCLE, tmp_string); + tmp_string = "CLKOUT5_DUTY_CYCLE"; + chk_ok = clkout_duty_chk (CLKOUT5_DIVIDE, CLKOUT5_DUTY_CYCLE, tmp_string); + + period_vco_max = 1000000 / VCOCLK_FREQ_MIN; + period_vco_min = 1000000 / VCOCLK_FREQ_MAX; + period_vco_target = 1000000 / VCOCLK_FREQ_TARGET; + period_vco_target_half = period_vco_target / 2; + fb_delay_max = MAX_FEEDBACK_DELAY * MAX_FEEDBACK_DELAY_SCALE; + md_product = CLKFBOUT_MULT * DIVCLK_DIVIDE; + md_product_dbl = md_product * 2; + clkout_en_time = `PLL_LOCK_TIME + 2; +// locked_en_time = md_product_dbl + clkout_en_time +2; // for DCM 3 cycle reset requirement + locked_en_time = md_product + clkout_en_time + 2; // for DCM 3 cycle reset requirement + lock_cnt_max = locked_en_time + 6; + clkfb_stop_max = 3; + clkin_stop_max = DIVCLK_DIVIDE + 1; + REF_CLK_JITTER_MAX_tmp = REF_CLK_JITTER_MAX; + + clk_out_para_cal (clk0_ht, clk0_lt, clk0_nocnt, clk0_edge, CLKOUT0_DIVIDE, CLKOUT0_DUTY_CYCLE); + clk_out_para_cal (clk1_ht, clk1_lt, clk1_nocnt, clk1_edge, CLKOUT1_DIVIDE, CLKOUT1_DUTY_CYCLE); + clk_out_para_cal (clk2_ht, clk2_lt, clk2_nocnt, clk2_edge, CLKOUT2_DIVIDE, CLKOUT2_DUTY_CYCLE); + clk_out_para_cal (clk3_ht, clk3_lt, clk3_nocnt, clk3_edge, CLKOUT3_DIVIDE, CLKOUT3_DUTY_CYCLE); + clk_out_para_cal (clk4_ht, clk4_lt, clk4_nocnt, clk4_edge, CLKOUT4_DIVIDE, CLKOUT4_DUTY_CYCLE); + clk_out_para_cal (clk5_ht, clk5_lt, clk5_nocnt, clk5_edge, CLKOUT5_DIVIDE, CLKOUT5_DUTY_CYCLE); + clk_out_para_cal (clkfbm1_ht, clkfbm1_lt, clkfbm1_nocnt, clkfbm1_edge, CLKFBOUT_MULT, 0.50); + clk_out_para_cal (clkind_ht, clkind_lt, clkind_nocnt, clkind_edge, DIVCLK_DIVIDE, 0.50); + tmp_string = "CLKOUT0_PHASE"; + clkout_dly_cal (clkout0_dly, clk0pm_sel, CLKOUT0_DIVIDE, CLKOUT0_PHASE, tmp_string); + tmp_string = "CLKOUT1_PHASE"; + clkout_dly_cal (clkout1_dly, clk1pm_sel, CLKOUT1_DIVIDE, CLKOUT1_PHASE, tmp_string); + tmp_string = "CLKOUT2_PHASE"; + clkout_dly_cal (clkout2_dly, clk2pm_sel, CLKOUT2_DIVIDE, CLKOUT2_PHASE, tmp_string); + tmp_string = "CLKOUT3_PHASE"; + clkout_dly_cal (clkout3_dly, clk3pm_sel, CLKOUT3_DIVIDE, CLKOUT3_PHASE, tmp_string); + tmp_string = "CLKOUT4_PHASE"; + clkout_dly_cal (clkout4_dly, clk4pm_sel, CLKOUT4_DIVIDE, CLKOUT4_PHASE, tmp_string); + tmp_string = "CLKOUT5_PHASE"; + clkout_dly_cal (clkout5_dly, clk5pm_sel, CLKOUT5_DIVIDE, CLKOUT5_PHASE, tmp_string); + tmp_string = "CLKFBOUT_PHASE"; + clkout_dly_cal (clkfbm1_dly, clkfbm1pm_sel, CLKFBOUT_MULT, CLKFBOUT_PHASE, tmp_string); + + clkind_div = DIVCLK_DIVIDE; + + dr_sram[5'b11100] = {8'bx, clk0_edge, clk0_nocnt, clkout0_dly[5:0]}; + dr_sram[5'b11011] = {clk0pm_sel[2:0], 1'b1, clk0_ht[5:0], clk0_lt[5:0]}; + dr_sram[5'b11010] = {8'bx, clk1_edge, clk1_nocnt, clkout1_dly[5:0]}; + dr_sram[5'b11001] = {clk1pm_sel[2:0], 1'b1, clk1_ht[5:0], clk1_lt[5:0]}; + dr_sram[5'b10111] = {8'bx, clk2_edge, clk2_nocnt, clkout2_dly[5:0]}; + dr_sram[5'b10110] = {clk2pm_sel[2:0], 1'b1, clk2_ht[5:0], clk2_lt[5:0]}; + dr_sram[5'b10101] = {8'bx, clk3_edge, clk3_nocnt, clkout3_dly[5:0]}; + dr_sram[5'b10100] = {clk3pm_sel[2:0], 1'b1, clk3_ht[5:0], clk3_lt[5:0]}; + dr_sram[5'b10011] = {8'bx, clk4_edge, clk4_nocnt, clkout4_dly[5:0]}; + dr_sram[5'b10010] = {clk4pm_sel[2:0], 1'b1, clk4_ht[5:0], clk4_lt[5:0]}; + dr_sram[5'b01111] = {8'bx, clk5_edge, clk5_nocnt, clkout5_dly[5:0]}; + dr_sram[5'b01110] = {clk5pm_sel[2:0], 1'b1, clk5_ht[5:0], clk5_lt[5:0]}; + dr_sram[5'b01101] = {8'bx, clkfbm1_edge, clkfbm1_nocnt, clkfbm1_dly[5:0]}; + dr_sram[5'b01100] = {clkfbm1pm_sel[2:0], 1'b1, clkfbm1_ht[5:0], clkfbm1_lt[5:0]}; + dr_sram[5'b00110] = {2'bx, clkind_edge, clkind_nocnt, clkind_ht[5:0], clkind_lt[5:0]}; + dr_sram[5'b00001] = {8'bx, pll_lfhf, pll_cpres, pll_cp}; + dr_sram[5'b00000] = {6'bx, pll_res, 6'bx}; + + +// **** PMCD ******* + +//*** Clocks MUX + + case (RST_DEASSERT_CLK) + "CLKIN1" : rel_o_mux_sel = 1'b1; + "CLKFBIN" : rel_o_mux_sel = 1'b0; + default : begin + $display("Attribute Syntax Error : The attribute RST_DEASSERT_CLK on PLL_ADV instance %m is set to %s. Legal values for this attribute are CLKIN1 and CLKFBIN.", RST_DEASSERT_CLK); + $finish; + end + endcase + +//*** CLKDIV_RST + case (EN_REL) + "FALSE" : clkdiv_rel_rst = 1'b0; + "TRUE" : clkdiv_rel_rst = 1'b1; + default : begin + $display("Attribute Syntax Error : The attribute EN_REL on PLL_ADV instance %m is set to %s. Legal values for this attribute are TRUE or FALSE.", EN_REL); + $finish; + end + endcase + + +end + +initial begin + rst_in1 = 0; + rst_unlock = 0; + clkin_period[0] = 0; + clkin_period[1] = 0; + clkin_period[2] = 0; + clkin_period[3] = 0; + clkin_period[4] = 0; + period_avg = 0; + period_fb = 0; + fb_delay = 0; + clkfbm1_div = 1; + clkfbm1_div1 = 0; + clkvco_delay = 0; + fbm1_comp_delay = 0; + clkfbm1pm_rl = 0; + period_vco = 0; + period_vco1 = 0; + period_vco2 = 0; + period_vco3 = 0; + period_vco4 = 0; + period_vco5 = 0; + period_vco6 = 0; + period_vco7 = 0; + period_vco_half = 0; + fb_delay_found = 0; + fb_delay_found_tmp = 0; + clkin_edge = 0; + delay_edge = 0; + clkvco_free = 0; + clkvco_lk = 0; + fbclk_tmp = 0; + clkfb_tst = 0; + clkout_cnt = 0; + clkout_en = 0; + clkout_en0 = 0; + clkout_en0_tmp = 0; + clkout_en1 = 0; + pll_locked_tmp1 = 0; + pll_locked_tmp2 = 0; + pll_locked_tm = 0; + pll_locked_delay = 0; + clkout_mux = 3'b0; + unlock_recover = 0; + clkstop_cnt_p = 0; + clkstop_cnt_n = 0; + clkpll_jitter_unlock = 0; + clkin_jit = 0; + clkin_cnt = 0; + clkin_lock_cnt = 0; + clkin_stopped_p = 0; + clkin_stopped_n = 0; + clkfb_stopped_p = 0; + clkfb_stopped_n = 0; + clkpll_dly = 0; + clkfbin_dly = 0; + clkfbstop_cnt_p = 0; + clkfbstop_cnt_n = 0; + lock_period = 0; + rst_edge = 0; + rst_ht = 0; + drdy_out = 0; + drp_lock = 0; + clkout0_out = 0; + clkout1_out = 0; + clkout2_out = 0; + clkout3_out = 0; + clkout4_out = 0; + clkout5_out = 0; + clka1_out = 1'b0; + clkb1_out = 1'b0; + clka1d2_out = 1'b0; + clka1d4_out = 1'b0; + clka1d8_out = 1'b0; + qrel_o_reg1 = 1'b0; + qrel_o_reg2 = 1'b0; + qrel_o_reg3 = 1'b0; + clk0_dly_cnt = 6'b0; + clk1_dly_cnt = 6'b0; + clk2_dly_cnt = 6'b0; + clk3_dly_cnt = 6'b0; + clk4_dly_cnt = 6'b0; + clk5_dly_cnt = 6'b0; + clkfbm1_dly_cnt = 6'b0; + clk0_cnt = 8'b0; + clk1_cnt = 8'b0; + clk2_cnt = 8'b0; + clk3_cnt = 8'b0; + clk4_cnt = 8'b0; + clk5_cnt = 8'b0; + clkfbm1_cnt = 8'b0; + clk0_out = 0; + clk1_out = 0; + clk2_out = 0; + clk3_out = 0; + clk4_out = 0; + clk5_out = 0; + clkfb_out = 0; + clkfbm1_out = 0; +end + +// PMCD function + +//*** asyn RST + always @(orig_rst_in) + if (orig_rst_in == 1'b1) begin + assign qrel_o_reg1 = 1'b1; + assign qrel_o_reg2 = 1'b1; + assign qrel_o_reg3 = 1'b1; + end + else if (orig_rst_in == 1'b0) begin + deassign qrel_o_reg1; + deassign qrel_o_reg2; + deassign qrel_o_reg3; + end + +//*** Clocks MUX + + assign rel_o_mux_clk_tmp = rel_o_mux_sel ? clkin1_in : clkfb_in; + assign rel_o_mux_clk = (pmcd_mode) ? rel_o_mux_clk_tmp : 0; + assign clka1_in = (pmcd_mode) ? clkin1_in : 0; + assign clkb1_in = (pmcd_mode) ? clkfb_in : 0; + + +//*** Rel and Rst + always @(posedge rel_o_mux_clk) + qrel_o_reg1 <= 1'b0; + + always @(negedge rel_o_mux_clk) + qrel_o_reg2 <= qrel_o_reg1; + + always @(posedge rel_in) + qrel_o_reg3 <= 1'b0; + + assign rel_rst_o = clkdiv_rel_rst ? (qrel_o_reg3 || qrel_o_reg1) : qrel_o_reg1; + +//*** CLKA + always @(clka1_in or qrel_o_reg2) + if (qrel_o_reg2 == 1'b1) + clka1_out <= 1'b0; + else if (qrel_o_reg2 == 1'b0) + clka1_out <= clka1_in; + +//*** CLKB + always @(clkb1_in or qrel_o_reg2) + if (qrel_o_reg2 == 1'b1) + clkb1_out <= 1'b0; + else if (qrel_o_reg2 == 1'b0) + clkb1_out <= clkb1_in; + + +//*** Clock divider + always @(posedge clka1_in or posedge rel_rst_o) + if (rel_rst_o == 1'b1) + clka1d2_out <= 1'b0; + else if (rel_rst_o == 1'b0) + clka1d2_out <= ~clka1d2_out; + + always @(posedge clka1d2_out or posedge rel_rst_o) + if (rel_rst_o == 1'b1) + clka1d4_out <= 1'b0; + else if (rel_rst_o == 1'b0) + clka1d4_out <= ~clka1d4_out; + + always @(posedge clka1d4_out or posedge rel_rst_o) + if (rel_rst_o == 1'b1) + clka1d8_out <= 1'b0; + else if (rel_rst_o == 1'b0) + clka1d8_out <= ~clka1d8_out; + + assign CLKOUT5 = (pmcd_mode) ? 0 : clkout5_out; + assign CLKOUT4 = (pmcd_mode) ? 0 : clkout4_out; + assign CLKOUT3 = (pmcd_mode) ? clka1_out : clkout3_out; + assign CLKOUT2 = (pmcd_mode) ? clka1d2_out : clkout2_out; + assign CLKOUT1 = (pmcd_mode) ? clka1d4_out : clkout1_out; + assign CLKOUT0 = (pmcd_mode) ? clka1d8_out : clkout0_out; + assign CLKFBOUT = (pmcd_mode) ? clkb1_out : clkfb_out; + assign CLKOUTDCM5 = (pmcd_mode) ? 0 : clkout5_out; + assign CLKOUTDCM4 = (pmcd_mode) ? 0 : clkout4_out; + assign CLKOUTDCM3 = (pmcd_mode) ? clka1_out : clkout3_out; + assign CLKOUTDCM2 = (pmcd_mode) ? clka1d2_out : clkout2_out; + assign CLKOUTDCM1 = (pmcd_mode) ? clka1d4_out : clkout1_out; + assign CLKOUTDCM0 = (pmcd_mode) ? clka1d8_out : clkout0_out; + assign CLKFBDCM = (pmcd_mode) ? clkb1_out : clkfb_out; + +// PLL function + +always @(clkinsel_in ) + if (pmcd_mode != 1) begin + if ($time >1 && rst_in != 1'b1) begin + $display("Input Error : PLL input clock can only be switched when RST=1. CLKINSEL on instance %m at time %t changed when RST low, should change at RST high.", $time); + $finish; + end + if (clkinsel_in ==1) begin + if (CLKIN1_PERIOD > (1000.0 /CLKIN_FREQ_MIN) || CLKIN1_PERIOD < (1000.0 / CLKIN_FREQ_MAX)) begin + $display (" Attribute Syntax Error : The attribute CLKIN1_PERIOD is set to %f ns and out the allowed range %f ns to %f ns.", CLKIN1_PERIOD, 1000.0/CLKIN_FREQ_MAX, 1000.0/CLKIN_FREQ_MIN); + $finish; + end + end + else if (clkinsel_in ==0) begin + if (CLKIN2_PERIOD > (1000.0 /CLKIN_FREQ_MIN) || CLKIN2_PERIOD < (1000.0 / CLKIN_FREQ_MAX)) begin + $display (" Attribute Syntax Error : The attribute CLKIN2_PERIOD is set to %f ns and out the allowed range %f ns to %f ns.", CLKIN2_PERIOD, 1000.0/CLKIN_FREQ_MAX, 1000.0/CLKIN_FREQ_MIN); + $finish; + end + end + + period_clkin = (clkinsel_in) ? CLKIN1_PERIOD : CLKIN2_PERIOD; + clkvco_freq_init_chk = 1000.0 * CLKFBOUT_MULT / (period_clkin * DIVCLK_DIVIDE); + + if (clkvco_freq_init_chk > VCOCLK_FREQ_MAX || clkvco_freq_init_chk < VCOCLK_FREQ_MIN) begin + $display (" Attribute Syntax Error : The calculation of VCO frequency=%f Mhz. This exceeds the permitted VCO frequency range of %f Mhz to %f Mhz. The VCO frequency is calculated with formula: VCO frequency = CLKFBOUT_MULT / (DIVCLK_DIVIDE * CLKIN_PERIOD). Please adjust the attributes to the permitted VCO frequency range.", clkvco_freq_init_chk, VCOCLK_FREQ_MIN, VCOCLK_FREQ_MAX); + $finish; + end +end + + assign init_trig = 1; + + + assign clkpll_tmp = (clkinsel_in) ? clkin1_in : clkin2_in; + assign clkpll = (pmcd_mode) ? 0 : clkpll_tmp; + + assign orig_rst_in = rst_input; + +always @(posedge clkpll or posedge orig_rst_in) + if (orig_rst_in) + rst_in1 <= 1; + else + rst_in1 <= orig_rst_in; + + assign rst_in = (rst_in1 || rst_unlock); + + always @(posedge pll_unlock) + if (rst_on_loss ) begin + rst_unlock <= 1'b1; + rst_unlock <= #10000 1'b0; + end + +always @(rst_input ) + if (rst_input==1) + rst_edge = $time; + else if (rst_input==0 && rst_edge > 1) begin + rst_ht = $time - rst_edge; + if (rst_ht < 10000) + $display("Input Error : RST on instance %m at time %t must be asserted at least for 10 ns.", $time); + end + +// +// DRP port read and write +// + + assign do_out = dr_sram[daddr_lat]; + +always @(posedge dclk_in or posedge gsr_in) + if (gsr_in == 1) begin + drp_lock <= 0; + end + else begin + if (den_in == 1) begin + valid_daddr = addr_is_valid(daddr_in); + if (drp_lock == 1) begin + $display(" Warning : DEN is high at PLL_ADV instance %m at time %t. Need wait for DRDY signal before next read/write operation through DRP. ", $time); + $finish; + end + else begin + drp_lock <= 1; + daddr_lat <= daddr_in; + end + + if (valid_daddr && ( daddr_in == 5'b00110 || daddr_in == 5'b00001 || daddr_in == 5'b00000 || + (daddr_in >= 5'b01100 && daddr_in <= 5'b11100 && daddr_in != 5'b10000 && + daddr_in != 5'b10001 && daddr_in != 5'b11000 ))) begin + end + else begin + $display(" Warning : Address DADDR=%b is unsupported at PLL_ADV instance %m at time %t. ", DADDR, $time); + end + + if (dwe_in == 1) begin // write process + if (rst_input == 1) begin + if (valid_daddr && ( daddr_in == 5'b00110 || daddr_in == 5'b00001 || daddr_in == 5'b00000 || + (daddr_in >= 5'b01100 && daddr_in <= 5'b11100 && daddr_in != 5'b10000 && + daddr_in != 5'b10001 && daddr_in != 5'b11000 ))) begin + dr_sram[daddr_in] <= di_in; + end + + if (daddr_in == 5'b11100) + clkout_delay_para_drp (clkout0_dly, clk0_nocnt, clk0_edge, di_in, daddr_in); + + if (daddr_in == 5'b11011) + clkout_hl_para_drp (clk0_lt, clk0_ht, clk0pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b11010) + clkout_delay_para_drp (clkout1_dly, clk1_nocnt, clk1_edge, di_in, daddr_in); + + if (daddr_in == 5'b11001) + clkout_hl_para_drp (clk1_lt, clk1_ht, clk1pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b10111) + clkout_delay_para_drp (clkout2_dly, clk2_nocnt, clk2_edge, di_in, daddr_in); + + if (daddr_in == 5'b10110) + clkout_hl_para_drp (clk2_lt, clk2_ht, clk2pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b10101) + clkout_delay_para_drp (clkout3_dly, clk3_nocnt, clk3_edge, di_in, daddr_in); + + if (daddr_in == 5'b10100) + clkout_hl_para_drp (clk3_lt, clk3_ht, clk3pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b10011) + clkout_delay_para_drp (clkout4_dly, clk4_nocnt, clk4_edge, di_in, daddr_in); + + if (daddr_in == 5'b10010) + clkout_hl_para_drp (clk4_lt, clk4_ht, clk4pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b01111) + clkout_delay_para_drp (clkout5_dly, clk5_nocnt, clk5_edge, di_in, daddr_in); + + if (daddr_in == 5'b01110) + clkout_hl_para_drp (clk5_lt, clk5_ht, clk5pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b01101) + clkout_delay_para_drp (clkfbm1_dly, clkfbm1_nocnt, clkfbm1_edge, di_in, daddr_in); + + if (daddr_in == 5'b01100) + clkout_hl_para_drp (clkfbm1_lt, clkfbm1_ht, clkfbm1pm_sel, di_in, daddr_in); + + if (daddr_in == 5'b00110) begin + clkind_lt <= di_in[5:0]; + clkind_ht <= di_in[11:6]; + if ( di_in[5:0] == 6'b0 && di_in[11:6] == 6'b0 ) + clkind_div <= 8'b10000000; + else if (di_in[5:0] == 6'b0 && di_in[11:6] != 6'b0 ) + clkind_div <= 64 + di_in[11:6]; + else if (di_in[5:0] == 6'b0 && di_in[11:6] != 6'b0 ) + clkind_div <= 64 + di_in[5:0]; + else + clkind_div <= di_in[5:0] + di_in[11:6]; + clkind_nocnt <= di_in[12]; + clkind_edge <= di_in[13]; + end + + end + else begin + $display(" Error : RST is low at PLL_ADV instance %m at time %t. RST need to be high when change X_PLL_ADV paramters through DRP. ", $time); + end + + end //DWE + + end //DEN + if ( drp_lock == 1) begin + drp_lock <= 0; + drp_lock1 <= 1; + end + if (drp_lock1 == 1) begin + drp_lock1 <= 0; + drdy_out <= 1; + end + if (drdy_out == 1) + drdy_out <= 0; +end + +function addr_is_valid; +input [6:0] daddr_funcin; +begin + addr_is_valid = 1; + for (i=0; i<=6; i=i+1) + if ( daddr_funcin[i] != 0 && daddr_funcin[i] != 1) + addr_is_valid = 0; +end +endfunction + + +// end process drp; + + +// +// determine clock period +// + + always @(posedge clkpll or posedge rst_in) + if (rst_in) + begin + clkin_period[0] <= period_vco_target; + clkin_period[1] <= period_vco_target; + clkin_period[2] <= period_vco_target; + clkin_period[3] <= period_vco_target; + clkin_period[4] <= period_vco_target; + clkin_jit <= 0; + clkin_lock_cnt <= 0; + pll_locked_tm <= 0; + lock_period <= 0; + pll_locked_tmp1 <= 0; + clkout_en0_tmp <= 0; + unlock_recover <= 0; + clkin_edge <= 0; + end + else begin + clkin_edge <= $time; + clkin_period[4] <= clkin_period[3]; + clkin_period[3] <= clkin_period[2]; + clkin_period[2] <= clkin_period[1]; + clkin_period[1] <= clkin_period[0]; + if (clkin_edge != 0 && clkin_stopped_p == 0 && clkin_stopped_n == 0) + clkin_period[0] <= $time - clkin_edge; + + if (pll_unlock == 0) + clkin_jit <= $time - clkin_edge - clkin_period[0]; + else + clkin_jit <= 0; + + if ( (clkin_lock_cnt < lock_cnt_max) && fb_delay_found && pll_unlock == 0) + clkin_lock_cnt <= clkin_lock_cnt + 1; + else if (pll_unlock == 1 && rst_on_loss ==0 && pll_locked_tmp1 ==1 ) begin + clkin_lock_cnt <= locked_en_time; + unlock_recover <= 1; + end + + if ( clkin_lock_cnt >= `PLL_LOCK_TIME && pll_unlock == 0) + pll_locked_tm <= 1; + + if ( clkin_lock_cnt == 6 ) + lock_period <= 1; + + if (clkin_lock_cnt >= clkout_en_time) begin + clkout_en0_tmp <= 1; + end + + if (clkin_lock_cnt >= locked_en_time) + pll_locked_tmp1 <= 1; + + if (unlock_recover ==1 && clkin_lock_cnt >= lock_cnt_max) + unlock_recover <= 0; + end + + always @(clkout_en0_tmp) + if (clkout_en0_tmp==0) + clkout_en0 = 0; + else + @(negedge clkpll) + clkout_en0 <= #(clkin_period[0]/2) clkout_en0_tmp; + + always @(clkout_en0) + clkout_en <= #(clkvco_delay) clkout_en0; + + always @(pll_locked_tmp1 ) + if (pll_locked_tmp1==0) + pll_locked_tmp2 = pll_locked_tmp1; + else begin + pll_locked_tmp2 <= #pll_locked_delay pll_locked_tmp1; + end + + + always @(rst_in) + if (rst_in) begin + assign pll_locked_tmp2 = 0; + assign clkout_en0 = 0; + assign clkout_en = 0; + end + else begin + deassign pll_locked_tmp2; + deassign clkout_en0; + deassign clkout_en; + end + + assign locked_out = (pll_locked_tm && pll_locked_tmp2 && ~pll_unlock && !unlock_recover) ? 1 : 0; + + + always @(clkin_period[0] or clkin_period[1] or clkin_period[2] or + clkin_period[3] or clkin_period[4] or period_avg) + if ( clkin_period[0] != period_avg) + period_avg = (clkin_period[0] + clkin_period[1] + clkin_period[2] + + clkin_period[3] + clkin_period[4])/5; + + always @(period_avg or clkind_div or clkfbm1_div) begin + period_fb = period_avg * clkind_div; + period_vco = period_fb / clkfbm1_div; + period_vco_half = period_vco /2; + pll_locked_delay = period_fb * clkfbm1_div; + clkin_dly_t = period_avg * (clkind_div + 1.25); + clkfb_dly_t = period_fb * 2.25 ; + period_vco1 = period_vco / 8; + period_vco2 = period_vco / 4; + period_vco3 = period_vco * 3/ 8; + period_vco4 = period_vco / 2; + period_vco5 = period_vco * 5 / 8; + period_vco6 = period_vco *3 / 4; + period_vco7 = period_vco * 7 / 8; + md_product = clkind_div * clkfbm1_div; + md_product_dbl = clkind_div * clkfbm1_div * 2; + end + + assign clkvco_lk_rst = ( rst_in == 1 || pll_unlock == 1 || pll_locked_tm == 0) ? 1 : 0; + + always @(clkvco_lk_rst) + if (clkvco_lk_rst) + assign clkvco_lk = 0; + else + deassign clkvco_lk; + + +// always @(posedge clkpll or posedge rst_in or posedge pll_unlock) +// if ( rst_in == 1 || pll_unlock == 1 || pll_locked_tm == 0) begin +// clkvco_lk <= 0; +// end +// else begin + always @(posedge clkpll) + if (pll_locked_tm ==1) begin + clkvco_lk <= 1; + for (i1=1; i1 < md_product_dbl; i1=i1+1) + #(period_vco_half) clkvco_lk <= ~clkvco_lk; + end + + + always @(fb_delay or period_vco or clkfbm1_dly or clkfbm1pm_rl) begin + val_tmp = period_vco * md_product; + fbm1_comp_delay = period_vco *(clkfbm1_dly + clkfbm1pm_rl ); + dly_tmp = fb_delay + fbm1_comp_delay; + if (fb_delay == 0) + clkvco_delay = 0; + else if ( dly_tmp < val_tmp) + clkvco_delay = val_tmp - dly_tmp; + else + clkvco_delay = val_tmp - dly_tmp % val_tmp ; + end + + always @(clkfbm1pm_sel) + case (clkfbm1pm_sel) + 3'b000 : clkfbm1pm_rl = 0.0; + 3'b001 : clkfbm1pm_rl = 0.125; + 3'b010 : clkfbm1pm_rl = 0.25; + 3'b011 : clkfbm1pm_rl = 0.375; + 3'b100 : clkfbm1pm_rl = 0.50; + 3'b101 : clkfbm1pm_rl = 0.625; + 3'b110 : clkfbm1pm_rl = 0.75; + 3'b111 : clkfbm1pm_rl = 0.875; + endcase + + always @(clkvco_free ) + if (pmcd_mode != 1 && pll_locked_tm == 0) + clkvco_free <= #period_vco_target_half ~clkvco_free; + + always @(clkvco_lk or clkvco_free or pll_locked_tm) + if ( pll_locked_tm) + clkvco <= #clkvco_delay clkvco_lk; + else + clkvco <= #clkvco_delay clkvco_free; + + always @(clk0_ht or clk0_lt or clk0_nocnt or init_trig) + clkout_pm_cal(clk0_ht1, clk0_div, clk0_div1, clk0_ht, clk0_lt, clk0_nocnt, clk0_edge); + + always @(clk1_ht or clk1_lt or clk1_nocnt or init_trig) + clkout_pm_cal(clk1_ht1, clk1_div, clk1_div1, clk1_ht, clk1_lt, clk1_nocnt, clk1_edge); + + always @(clk2_ht or clk2_lt or clk2_nocnt or init_trig) + clkout_pm_cal(clk2_ht1, clk2_div, clk2_div1, clk2_ht, clk2_lt, clk2_nocnt, clk2_edge); + + always @(clk3_ht or clk3_lt or clk3_nocnt or init_trig) + clkout_pm_cal(clk3_ht1, clk3_div, clk3_div1, clk3_ht, clk3_lt, clk3_nocnt, clk3_edge); + + always @(clk4_ht or clk4_lt or clk4_nocnt or init_trig) + clkout_pm_cal(clk4_ht1, clk4_div, clk4_div1, clk4_ht, clk4_lt, clk4_nocnt, clk4_edge); + + always @(clk5_ht or clk5_lt or clk5_nocnt or init_trig) + clkout_pm_cal(clk5_ht1, clk5_div, clk5_div1, clk5_ht, clk5_lt, clk5_nocnt, clk5_edge); + + always @(clkfbm1_ht or clkfbm1_lt or clkfbm1_nocnt or init_trig) + clkout_pm_cal(clkfbm1_ht1, clkfbm1_div, clkfbm1_div1, clkfbm1_ht, clkfbm1_lt, clkfbm1_nocnt, clkfbm1_edge); + + always @(rst_in) + if (rst_in) + assign clkout_mux = 8'b0; + else + deassign clkout_mux; + + always @(clkvco or clkout_en ) + if (clkout_en) begin + clkout_mux[0] <= clkvco; + clkout_mux[1] <= #(period_vco1) clkvco; + clkout_mux[2] <= #(period_vco2) clkvco; + clkout_mux[3] <= #(period_vco3) clkvco; + clkout_mux[4] <= #(period_vco4) clkvco; + clkout_mux[5] <= #(period_vco5) clkvco; + clkout_mux[6] <= #(period_vco6) clkvco; + clkout_mux[7] <= #(period_vco7) clkvco; + end + + assign clk0in = clkout_mux[clk0pm_sel]; + assign clk1in = clkout_mux[clk1pm_sel]; + assign clk2in = clkout_mux[clk2pm_sel]; + assign clk3in = clkout_mux[clk3pm_sel]; + assign clk4in = clkout_mux[clk4pm_sel]; + assign clk5in = clkout_mux[clk5pm_sel]; + assign clkfbm1in = clkout_mux[clkfbm1pm_sel]; + + assign clk0ps_en = (clk0_dly_cnt == clkout0_dly) ? clkout_en : 0; + assign clk1ps_en = (clk1_dly_cnt == clkout1_dly) ? clkout_en : 0; + assign clk2ps_en = (clk2_dly_cnt == clkout2_dly) ? clkout_en : 0; + assign clk3ps_en = (clk3_dly_cnt == clkout3_dly) ? clkout_en : 0; + assign clk4ps_en = (clk4_dly_cnt == clkout4_dly) ? clkout_en : 0; + assign clk5ps_en = (clk5_dly_cnt == clkout5_dly) ? clkout_en : 0; + assign clkfbm1ps_en = (clkfbm1_dly_cnt == clkfbm1_dly) ? clkout_en : 0; + + always @(negedge clk0in or posedge rst_in) + if (rst_in) + clk0_dly_cnt <= 6'b0; + else + if (clk0_dly_cnt < clkout0_dly && clkout_en ==1) + clk0_dly_cnt <= clk0_dly_cnt + 1; + + always @(negedge clk1in or posedge rst_in) + if (rst_in) + clk1_dly_cnt <= 6'b0; + else + if (clk1_dly_cnt < clkout1_dly && clkout_en ==1) + clk1_dly_cnt <= clk1_dly_cnt + 1; + + always @(negedge clk2in or posedge rst_in) + if (rst_in) + clk2_dly_cnt <= 6'b0; + else + if (clk2_dly_cnt < clkout2_dly && clkout_en ==1) + clk2_dly_cnt <= clk2_dly_cnt + 1; + + always @(negedge clk3in or posedge rst_in) + if (rst_in) + clk3_dly_cnt <= 6'b0; + else + if (clk3_dly_cnt < clkout3_dly && clkout_en ==1) + clk3_dly_cnt <= clk3_dly_cnt + 1; + + always @(negedge clk4in or posedge rst_in) + if (rst_in) + clk4_dly_cnt <= 6'b0; + else + if (clk4_dly_cnt < clkout4_dly && clkout_en ==1) + clk4_dly_cnt <= clk4_dly_cnt + 1; + + always @(negedge clk5in or posedge rst_in) + if (rst_in) + clk5_dly_cnt <= 6'b0; + else + if (clk5_dly_cnt < clkout5_dly && clkout_en ==1) + clk5_dly_cnt <= clk5_dly_cnt + 1; + + always @(negedge clkfbm1in or posedge rst_in) + if (rst_in) + clkfbm1_dly_cnt <= 6'b0; + else + if (clkfbm1_dly_cnt < clkfbm1_dly && clkout_en ==1) + clkfbm1_dly_cnt <= clkfbm1_dly_cnt + 1; + + always @(posedge clk0in or negedge clk0in or posedge rst_in) + if (rst_in) begin + clk0_cnt <= 8'b0; + clk0_out <= 0; + end + else if (clk0ps_en) begin + if (clk0_cnt < clk0_div1) + clk0_cnt <= clk0_cnt + 1; + else + clk0_cnt <= 8'b0; + + if (clk0_cnt < clk0_ht1) + clk0_out <= 1; + else + clk0_out <= 0; + end + else begin + clk0_cnt <= 8'b0; + clk0_out <= 0; + end + + always @(posedge clk1in or negedge clk1in or posedge rst_in) + if (rst_in) begin + clk1_cnt <= 8'b0; + clk1_out <= 0; + end + else if (clk1ps_en) begin + if (clk1_cnt < clk1_div1) + clk1_cnt <= clk1_cnt + 1; + else + clk1_cnt <= 8'b0; + + if (clk1_cnt < clk1_ht1) + clk1_out <= 1; + else + clk1_out <= 0; + end + else begin + clk1_cnt <= 8'b0; + clk1_out <= 0; + end + + always @(posedge clk2in or negedge clk2in or posedge rst_in) + if (rst_in) begin + clk2_cnt <= 8'b0; + clk2_out <= 0; + end + else if (clk2ps_en) begin + if (clk2_cnt < clk2_div1) + clk2_cnt <= clk2_cnt + 1; + else + clk2_cnt <= 8'b0; + + if (clk2_cnt < clk2_ht1) + clk2_out <= 1; + else + clk2_out <= 0; + end + else begin + clk2_cnt <= 8'b0; + clk2_out <= 0; + end + + always @(posedge clk3in or negedge clk3in or posedge rst_in) + if (rst_in) begin + clk3_cnt <= 8'b0; + clk3_out <= 0; + end + else if (clk3ps_en) begin + if (clk3_cnt < clk3_div1) + clk3_cnt <= clk3_cnt + 1; + else + clk3_cnt <= 8'b0; + + if (clk3_cnt < clk3_ht1) + clk3_out <= 1; + else + clk3_out <= 0; + end + else begin + clk3_cnt <= 8'b0; + clk3_out <= 0; + end + + + always @(posedge clk4in or negedge clk4in or posedge rst_in) + if (rst_in) begin + clk4_cnt <= 8'b0; + clk4_out <= 0; + end + else if (clk4ps_en) begin + if (clk4_cnt < clk4_div1) + clk4_cnt <= clk4_cnt + 1; + else + clk4_cnt <= 8'b0; + + if (clk4_cnt < clk4_ht1) + clk4_out <= 1; + else + clk4_out <= 0; + end + else begin + clk4_cnt <= 8'b0; + clk4_out <= 0; + end + + + always @(posedge clk5in or negedge clk5in or posedge rst_in) + if (rst_in) begin + clk5_cnt <= 8'b0; + clk5_out <= 0; + end + else if (clk5ps_en) begin + if (clk5_cnt < clk5_div1) + clk5_cnt <= clk5_cnt + 1; + else + clk5_cnt <= 8'b0; + + if (clk5_cnt < clk5_ht1) + clk5_out <= 1; + else + clk5_out <= 0; + end + else begin + clk5_cnt <= 8'b0; + clk5_out <= 0; + end + + + always @(posedge clkfbm1in or negedge clkfbm1in or posedge rst_in) + if (rst_in) begin + clkfbm1_cnt <= 8'b0; + clkfbm1_out <= 0; + end + else if (clkfbm1ps_en) begin + if (clkfbm1_cnt < clkfbm1_div1) + clkfbm1_cnt <= clkfbm1_cnt + 1; + else + clkfbm1_cnt <= 8'b0; + + if (clkfbm1_cnt < clkfbm1_ht1) + clkfbm1_out <= 1; + else + clkfbm1_out <= 0; + end + else begin + clkfbm1_cnt <= 8'b0; + clkfbm1_out <= 0; + end + + + + always @(clk0_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout0_out = clk0_out; + else + clkout0_out = clkfb_tst; + + always @(clk1_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout1_out = clk1_out; + else + clkout1_out = clkfb_tst; + + always @(clk2_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout2_out = clk2_out; + else + clkout2_out = clkfb_tst; + + always @(clk3_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout3_out = clk3_out; + else + clkout3_out = clkfb_tst; + + always @(clk4_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout4_out = clk4_out; + else + clkout4_out = clkfb_tst; + + always @(clk5_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkout5_out = clk5_out; + else + clkout5_out = clkfb_tst; + + always @(clkfbm1_out or clkfb_tst or fb_delay_found) + if (fb_delay_found == 1) + clkfb_out = clkfbm1_out; + else + clkfb_out = clkfb_tst; + +// +// determine feedback delay +// + +always @(rst_in1) + if (rst_in1) + assign clkfb_tst = 0; + else + deassign clkfb_tst; + +always @(posedge clkpll ) + if (fb_delay_found_tmp == 0 && GSR == 0 && rst_in1 == 0) begin + clkfb_tst <= 1'b1; + end + else + clkfb_tst <= 1'b0; + + +always @( posedge clkfb_tst or posedge rst_in1 ) + if (rst_in1) + delay_edge <= 0; + else + delay_edge <= $time; + +always @(posedge clkfb_in or posedge rst_in1 ) + if (rst_in1) begin + fb_delay <= 0; + fb_delay_found_tmp <= 0; + end + else + if (fb_delay_found_tmp ==0 ) begin + if ( delay_edge != 0) + fb_delay <= ($time - delay_edge); + else + fb_delay <= 0; + fb_delay_found_tmp <= 1; + end + +always @(rst_in1) + if (rst_in1) + assign fb_delay_found = 0; + else + deassign fb_delay_found; + +always @(fb_delay_found_tmp or clkvco_delay ) + fb_delay_found <= #(clkvco_delay) fb_delay_found_tmp; + + +always @(fb_delay) + if (rst_in1==0 && (fb_delay/1000.0 > fb_delay_max)) begin + $display("Warning : The feedback delay on PLL_ADV instance %m at time %t is %f ns. It is over the maximun value %f ns.", $time, fb_delay / 1000.0, fb_delay_max); + end + +// +// generate unlock signal +// + +always @(clkpll) + clkpll_dly <= #clkin_dly_t clkpll; + +always @(clkfb_in) + if (pmcd_mode != 1) + clkfbin_dly <= #clkfb_dly_t clkfb_in; + else + clkfbin_dly = 0; + +always @( posedge clkpll_dly or negedge clkpll or posedge rst_in) + if (rst_in || clkpll == 0) begin + clkstop_cnt_p = 0; + clkin_stopped_p = 0; + end + else + if (fb_delay_found && pll_locked_tmp2) begin + if (clkpll && clkpll_jitter_unlock == 0) + clkstop_cnt_p <= clkstop_cnt_p +1; + else + clkstop_cnt_p = 0; + + if (clkstop_cnt_p > clkin_stop_max) + clkin_stopped_p <= 1; + else + clkin_stopped_p = 0; + end + else begin + clkstop_cnt_p = 0; + clkin_stopped_p = 0; + end + +always @( posedge clkpll_dly or posedge clkpll or posedge rst_in) + if (rst_in || clkpll == 1) begin + clkstop_cnt_n = 0; + clkin_stopped_n = 0; + end + else + if (fb_delay_found && pll_locked_tmp2) begin + if (clkpll==0 && clkpll_jitter_unlock == 0) + clkstop_cnt_n <= clkstop_cnt_n +1; + else + clkstop_cnt_n = 0; + + if (clkstop_cnt_n > clkin_stop_max) + clkin_stopped_n <= 1; + else + clkin_stopped_n = 0; + end + else begin + clkstop_cnt_n = 0; + clkin_stopped_n = 0; + end + + +always @( posedge clkfbin_dly or negedge clkfb_in or posedge rst_in) + if (rst_in || clkfb_in == 0) begin + clkfbstop_cnt_p = 0; + clkfb_stopped_p = 0; + end + else + if (fb_delay_found && pll_locked_tmp2) begin + if (clkfb_in && clkpll_jitter_unlock == 0) + clkfbstop_cnt_p <= clkfbstop_cnt_p +1; + else + clkfbstop_cnt_p = 0; + + if (clkfbstop_cnt_p > clkfb_stop_max) + clkfb_stopped_p <= 1; + else + clkfb_stopped_p = 0; + end + else begin + clkfbstop_cnt_p = 0; + clkfb_stopped_p = 0; + end + +always @( posedge clkfbin_dly or posedge clkfb_in or posedge rst_in) + if (rst_in==1 || clkfb_in == 1) begin + clkfbstop_cnt_n = 0; + clkfb_stopped_n = 0; + end + else + if (fb_delay_found && pll_locked_tmp2) begin + if (clkfb_in==0 && clkpll_jitter_unlock == 0) + clkfbstop_cnt_n <= clkfbstop_cnt_n +1; + else + clkfbstop_cnt_n = 0; + + if (clkfbstop_cnt_n > clkfb_stop_max) + clkfb_stopped_n <= 1; + else + clkfb_stopped_n = 0; + end + else begin + clkfbstop_cnt_n = 0; + clkfb_stopped_n = 0; + end + +always @(clkin_jit or rst_in ) + if (rst_in) + clkpll_jitter_unlock = 0; + else + if ( pll_locked_tmp2 && clkfb_stopped == 0 && clkin_stopped == 0) begin + if ((clkin_jit > REF_CLK_JITTER_MAX_tmp) || (clkin_jit < -REF_CLK_JITTER_MAX_tmp)) + clkpll_jitter_unlock = 1; + else + clkpll_jitter_unlock = 0; + end + else + clkpll_jitter_unlock = 0; + + assign clkin_stopped = (clkin_stopped_p || clkin_stopped_n) ? 1 : 0; + assign clkfb_stopped = (clkfb_stopped_p ||clkfb_stopped_n) ? 1 : 0; + assign pll_unlock = (clkin_stopped || clkfb_stopped || clkpll_jitter_unlock) ? 1 : 0; + +// tasks + + +task clkout_dly_cal; +output [5:0] clkout_dly; +output [2:0] clkpm_sel; +input clkdiv; +input clk_ps; +input reg [160:0] clk_ps_name; + +integer clkdiv; +real clk_ps; +real clk_ps_rl; + +real clk_dly_rl, clk_dly_rem; +integer clkout_dly_tmp; + +begin + + if (clk_ps < 0.0) + clk_dly_rl = (360.0 + clk_ps) * clkdiv / 360.0; + else + clk_dly_rl = clk_ps * clkdiv / 360.0; + + clkout_dly_tmp = $rtoi(clk_dly_rl); + + if (clkout_dly_tmp > 63) begin + $display(" Warning : Attribute %s of PLL_ADV on instance %m is set to %f. Required phase shifting can not be reached since it is over the maximum phase shifting ability of X_PLL_ADV", clk_ps_name, clk_ps); + clkout_dly = 6'b111111; + end + else + clkout_dly = clkout_dly_tmp; + + clk_dly_rem = clk_dly_rl - clkout_dly; + + if (clk_dly_rem < 0.125) + clkpm_sel = 0; + else if (clk_dly_rem >= 0.125 && clk_dly_rem < 0.25) + clkpm_sel = 1; + else if (clk_dly_rem >= 0.25 && clk_dly_rem < 0.375) + clkpm_sel = 2; + else if (clk_dly_rem >= 0.375 && clk_dly_rem < 0.5) + clkpm_sel = 3; + else if (clk_dly_rem >= 0.5 && clk_dly_rem < 0.625) + clkpm_sel = 4; + else if (clk_dly_rem >= 0.625 && clk_dly_rem < 0.75) + clkpm_sel = 5; + else if (clk_dly_rem >= 0.75 && clk_dly_rem < 0.875) + clkpm_sel = 6; + else if (clk_dly_rem >= 0.875 ) + clkpm_sel = 7; + + if (clk_ps < 0.0) + clk_ps_rl = (clkout_dly + 0.125 * clkpm_sel)* 360.0 / clkdiv - 360.0; + else + clk_ps_rl = (clkout_dly + 0.125 * clkpm_sel) * 360.0 / clkdiv; + + if (((clk_ps_rl- clk_ps) > 0.001) || ((clk_ps_rl- clk_ps) < -0.001)) + $display(" Warning : Attribute %s of PLL_ADV on instance %m is set to %f. Real phase shifting is %f. Required phase shifting can not be reached.", clk_ps_name, clk_ps, clk_ps_rl); + +end +endtask + + +task clk_out_para_cal; +output [6:0] clk_ht; +output [6:0] clk_lt; +output clk_nocnt; +output clk_edge; +input CLKOUT_DIVIDE; +input CLKOUT_DUTY_CYCLE; + +integer CLKOUT_DIVIDE; +real CLKOUT_DUTY_CYCLE; + +real tmp_value; +integer tmp_value1; +real tmp_value2; + +begin + tmp_value = CLKOUT_DIVIDE * CLKOUT_DUTY_CYCLE; + tmp_value1 = $rtoi(tmp_value * 2) % 2; + tmp_value2 = CLKOUT_DIVIDE - tmp_value; + + + if ((tmp_value) >= O_MAX_HT_LT) begin +// clk_ht = O_MAX_HT_LT; + clk_ht = 7'b1000000; + end + else begin + if (tmp_value < 1.0) + clk_ht = 1; + else + if ( tmp_value1 != 0) + clk_ht = $rtoi(tmp_value) + 1; + else + clk_ht = $rtoi(tmp_value); + end + + if ( (CLKOUT_DIVIDE - clk_ht) >= O_MAX_HT_LT) + clk_lt = 7'b1000000; + else + clk_lt = CLKOUT_DIVIDE - clk_ht; + + clk_nocnt = (CLKOUT_DIVIDE ==1) ? 1 : 0; + if ( tmp_value < 1.0) + clk_edge = 1; + else if (tmp_value1 != 0) + clk_edge = 1; + else + clk_edge = 0; +end +endtask + + +function clkout_duty_chk; + input CLKOUT_DIVIDE; + input CLKOUT_DUTY_CYCLE; + input reg [160:0] CLKOUT_DUTY_CYCLE_N; + + integer CLKOUT_DIVIDE, step_tmp; + real CLKOUT_DUTY_CYCLE; + + real CLK_DUTY_CYCLE_MIN, CLK_DUTY_CYCLE_MAX, CLK_DUTY_CYCLE_STEP; + real CLK_DUTY_CYCLE_MIN_rnd; + reg clk_duty_tmp_int; + +begin + + if (CLKOUT_DIVIDE > O_MAX_HT_LT) begin + CLK_DUTY_CYCLE_MIN = (CLKOUT_DIVIDE - O_MAX_HT_LT)/CLKOUT_DIVIDE; + CLK_DUTY_CYCLE_MAX = (O_MAX_HT_LT + 0.5)/CLKOUT_DIVIDE; + CLK_DUTY_CYCLE_MIN_rnd = CLK_DUTY_CYCLE_MIN; + end + else begin + if (CLKOUT_DIVIDE == 1) begin + CLK_DUTY_CYCLE_MIN = 0.0; + CLK_DUTY_CYCLE_MIN_rnd = 0.0; + end + else begin + step_tmp = 1000 / CLKOUT_DIVIDE; + CLK_DUTY_CYCLE_MIN_rnd = step_tmp / 1000.0; + CLK_DUTY_CYCLE_MIN = 1.0 /CLKOUT_DIVIDE; + end + CLK_DUTY_CYCLE_MAX = 1.0; + end + + if (CLKOUT_DUTY_CYCLE > CLK_DUTY_CYCLE_MAX || CLKOUT_DUTY_CYCLE < CLK_DUTY_CYCLE_MIN_rnd) begin + $display(" Attribute Syntax Warning : %s is set to %f on instance %m and is not in the allowed range %f to %f.", CLKOUT_DUTY_CYCLE_N, CLKOUT_DUTY_CYCLE, CLK_DUTY_CYCLE_MIN, CLK_DUTY_CYCLE_MAX ); + end + + clk_duty_tmp_int = 0; + CLK_DUTY_CYCLE_STEP = 0.5 / CLKOUT_DIVIDE; + for (j = 0; j < (2 * CLKOUT_DIVIDE - CLK_DUTY_CYCLE_MIN/CLK_DUTY_CYCLE_STEP); j = j + 1) + if (((CLK_DUTY_CYCLE_MIN + CLK_DUTY_CYCLE_STEP * j) - CLKOUT_DUTY_CYCLE) > -0.001 && + ((CLK_DUTY_CYCLE_MIN + CLK_DUTY_CYCLE_STEP * j) - CLKOUT_DUTY_CYCLE) < 0.001) + clk_duty_tmp_int = 1; + + if ( clk_duty_tmp_int != 1) begin + $display(" Attribute Syntax Warning : %s is set to %f on instance %m and is not an allowed value. Allowed values are:", CLKOUT_DUTY_CYCLE_N, CLKOUT_DUTY_CYCLE); + for (j = 0; j < (2 * CLKOUT_DIVIDE - CLK_DUTY_CYCLE_MIN/CLK_DUTY_CYCLE_STEP); j = j + 1) + $display("%f", CLK_DUTY_CYCLE_MIN + CLK_DUTY_CYCLE_STEP * j); + end + + clkout_duty_chk = 1'b1; +end +endfunction + + +function para_int_pmcd_chk; + input para_in; + input reg [160:0] para_name; + input range_low; + input range_high; + input pmcd_mode; + input pmcd_value; + + integer para_in; + integer range_low; + integer range_high; + integer pmcd_value; +begin + + if (para_in < range_low || para_in > range_high) + begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %d. Legal values for this attribute are %d to %d.", para_name, para_in, range_low, range_high); + $finish; + end + else if (pmcd_mode == 1 && para_in != pmcd_value) begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %d when attribute PLL_PMCD_MODE is set to TRUE. Legal values for this attribute is %d when PLL in PMCD MODE.", para_name, para_in, pmcd_value); + $finish; + end + + para_int_pmcd_chk = 1'b1; +end +endfunction + +function para_real_pmcd_chk; + input para_in; + input reg [160:0] para_name; + input range_low; + input range_high; + input pmcd_mode; + input pmcd_value; + + real para_in; + real range_low; + real range_high; + real pmcd_value; +begin + + if (para_in < range_low || para_in > range_high) + begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %f. Legal values for this attribute are %f to %f.", para_name, para_in, range_low, range_high); + $finish; + end + else if (pmcd_mode == 1 && para_in != pmcd_value) begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %f when attribute PLL_PMCD_MODE is set to TRUE. Legal values for this attribute is %f when PLL in PMCD MODE.", para_name, para_in, pmcd_value); + $finish; + end + + para_real_pmcd_chk = 1'b0; +end +endfunction + +function para_int_range_chk; + input para_in; + input reg [160:0] para_name; + input range_low; + input range_high; + + integer para_in; + integer range_low; + integer range_high; +begin + if ( para_in < range_low || para_in > range_high) begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %d. Legal values for this attribute are %d to %d.", para_name, para_in, range_low, range_high); + $finish; + end + para_int_range_chk = 1'b1; +end +endfunction + +function para_real_range_chk; + input para_in; + input reg [160:0] para_name; + input range_low; + input range_high; + + real para_in; + real range_low; + real range_high; +begin + if ( para_in < range_low || para_in > range_high) begin + $display("Attribute Syntax Error : The Attribute %s on PLL_ADV instance %m is set to %f. Legal values for this attribute are %f to %f.", para_name, para_in, range_low, range_high); + $finish; + end + + para_real_range_chk = 1'b0; +end +endfunction + +task clkout_pm_cal; + output [7:0] clk_ht1; + output [7:0] clk_div; + output [7:0] clk_div1; + input [6:0] clk_ht; + input [6:0] clk_lt; + input clk_nocnt; + input clk_edge; + +begin + if (clk_nocnt ==1) begin + clk_div = 8'b00000001; + clk_div1 = 8'b00000001; + clk_ht1 = 8'b00000001; + end + else begin + if ( clk_edge == 1) + clk_ht1 = 2 * clk_ht -1; + else + clk_ht1 = 2 * clk_ht; + clk_div = clk_ht + clk_lt ; + clk_div1 = 2 * clk_div -1; + end +end +endtask + +task clkout_delay_para_drp; + output [5:0] clkout_dly; + output clk_nocnt; + output clk_edge; + input [15:0] di_in; + input [4:0] daddr_in; +begin + +// if (di_in[15:8] != 8'h00) begin +// $display(" Error : PLL_ADV on instance %m input DI[15:8] is set to %h and need to be set to 00h at address DADDR=%b at time %t.", di_in[15:8], daddr_in, $time); +// $finish; +// end + clkout_dly = di_in[5:0]; + clk_nocnt = di_in[6]; + clk_edge = di_in[7]; +end +endtask + +task clkout_hl_para_drp; + output [6:0] clk_lt; + output [6:0] clk_ht; + output [2:0] clkpm_sel; + input [15:0] di_in_tmp; + input [4:0] daddr_in_tmp; +begin + if (di_in_tmp[12] != 1) begin + $display(" Error : PLL_ADV on instance %m input DI is %h at address DADDR=%b at time %t. The bit 12 need to be set to 1 .", di_in_tmp, daddr_in_tmp, $time); +// $finish; + end + if ( di_in_tmp[5:0] == 6'b0) + clk_lt = 7'b1000000; + else + clk_lt = { 1'b0, di_in[5:0]}; + if (di_in_tmp[11:6] == 6'b0) + clk_ht = 7'b1000000; + else + clk_ht = { 1'b0, di_in_tmp[11:6]}; + clkpm_sel = di_in_tmp[15:13]; +end +endtask + + + +endmodule diff --git a/fpga/usrp2/models/PLL_BASE.v b/fpga/usrp2/models/PLL_BASE.v new file mode 100644 index 000000000..f2180a25a --- /dev/null +++ b/fpga/usrp2/models/PLL_BASE.v @@ -0,0 +1,150 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/rainier/PLL_BASE.v,v 1.5 2006/03/13 21:53:44 yanx Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Timing Simulation Library Component +// / / Phase Lock Loop Clock +// /___/ /\ Filename : PLL_BASE.v +// \ \ / \ Timestamp : +// \___\/\___\ +// +// Revision: +// 12/02/05 - Initial version. +// 02/24/06 - Add real/integer to parameter. +// End Revision + + +`timescale 1 ps / 1 ps + +module PLL_BASE ( + CLKFBOUT, + CLKOUT0, + CLKOUT1, + CLKOUT2, + CLKOUT3, + CLKOUT4, + CLKOUT5, + LOCKED, + CLKFBIN, + CLKIN, + RST + +); + +parameter BANDWIDTH = "OPTIMIZED"; +parameter integer CLKFBOUT_MULT = 1; +parameter real CLKFBOUT_PHASE = 0.0; +parameter real CLKIN_PERIOD = 0.000; +parameter integer CLKOUT0_DIVIDE = 1; +parameter real CLKOUT0_DUTY_CYCLE = 0.5; +parameter real CLKOUT0_PHASE = 0.0; +parameter integer CLKOUT1_DIVIDE = 1; +parameter real CLKOUT1_DUTY_CYCLE = 0.5; +parameter real CLKOUT1_PHASE = 0.0; +parameter integer CLKOUT2_DIVIDE = 1; +parameter real CLKOUT2_DUTY_CYCLE = 0.5; +parameter real CLKOUT2_PHASE = 0.0; +parameter integer CLKOUT3_DIVIDE = 1; +parameter real CLKOUT3_DUTY_CYCLE = 0.5; +parameter real CLKOUT3_PHASE = 0.0; +parameter integer CLKOUT4_DIVIDE = 1; +parameter real CLKOUT4_DUTY_CYCLE = 0.5; +parameter real CLKOUT4_PHASE = 0.0; +parameter integer CLKOUT5_DIVIDE = 1; +parameter real CLKOUT5_DUTY_CYCLE = 0.5; +parameter real CLKOUT5_PHASE = 0.0; +parameter COMPENSATION = "SYSTEM_SYNCHRONOUS"; +parameter integer DIVCLK_DIVIDE = 1; +parameter real REF_JITTER = 0.100; +parameter RESET_ON_LOSS_OF_LOCK = "FALSE"; + + +output CLKFBOUT; +output CLKOUT0; +output CLKOUT1; +output CLKOUT2; +output CLKOUT3; +output CLKOUT4; +output CLKOUT5; +output LOCKED; + +input CLKFBIN; +input CLKIN; +input RST; + + +wire OPEN_CLKFBDCM; +wire OPEN_CLKOUTDCM0; +wire OPEN_CLKOUTDCM1; +wire OPEN_CLKOUTDCM2; +wire OPEN_CLKOUTDCM3; +wire OPEN_CLKOUTDCM4; +wire OPEN_CLKOUTDCM5; +wire OPEN_DRDY; +wire [15:0] OPEN_DO; + +PLL_ADV pll_adv_1 ( + .CLKFBDCM (OPEN_CLKFBDCM), + .CLKFBIN (CLKFBIN), + .CLKFBOUT (CLKFBOUT), + .CLKIN1 (CLKIN), + .CLKIN2 (1'b0), + .CLKOUT0 (CLKOUT0), + .CLKOUT1 (CLKOUT1), + .CLKOUT2 (CLKOUT2), + .CLKOUT3 (CLKOUT3), + .CLKOUT4 (CLKOUT4), + .CLKOUT5 (CLKOUT5), + .CLKOUTDCM0 (OPEN_CLKOUTDCM0), + .CLKOUTDCM1 (OPEN_CLKOUTDCM1), + .CLKOUTDCM2 (OPEN_CLKOUTDCM2), + .CLKOUTDCM3 (OPEN_CLKOUTDCM3), + .CLKOUTDCM4 (OPEN_CLKOUTDCM4), + .CLKOUTDCM5 (OPEN_CLKOUTDCM5), + .DADDR (5'b0), + .DCLK (1'b0), + .DEN (1'b0), + .DI (16'b0), + .DO (OPEN_DO), + .DRDY (OPEN_DRDY), + .DWE (1'b0), + .LOCKED (LOCKED), + .CLKINSEL(1'b1), + .REL (1'b0), + .RST (RST) +); + +defparam pll_adv_1.BANDWIDTH = BANDWIDTH; +defparam pll_adv_1.CLKFBOUT_MULT = CLKFBOUT_MULT; +defparam pll_adv_1.CLKFBOUT_PHASE = CLKFBOUT_PHASE; +defparam pll_adv_1.CLKIN1_PERIOD = CLKIN_PERIOD; +defparam pll_adv_1.CLKIN2_PERIOD = 10.0; +defparam pll_adv_1.CLKOUT0_DIVIDE = CLKOUT0_DIVIDE; +defparam pll_adv_1.CLKOUT0_DUTY_CYCLE = CLKOUT0_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT0_PHASE = CLKOUT0_PHASE; +defparam pll_adv_1.CLKOUT1_DIVIDE = CLKOUT1_DIVIDE; +defparam pll_adv_1.CLKOUT1_DUTY_CYCLE = CLKOUT1_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT1_PHASE = CLKOUT1_PHASE; +defparam pll_adv_1.CLKOUT2_DIVIDE = CLKOUT2_DIVIDE; +defparam pll_adv_1.CLKOUT2_DUTY_CYCLE = CLKOUT2_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT2_PHASE = CLKOUT2_PHASE; +defparam pll_adv_1.CLKOUT3_DIVIDE = CLKOUT3_DIVIDE; +defparam pll_adv_1.CLKOUT3_DUTY_CYCLE = CLKOUT3_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT3_PHASE = CLKOUT3_PHASE; +defparam pll_adv_1.CLKOUT4_DIVIDE = CLKOUT4_DIVIDE; +defparam pll_adv_1.CLKOUT4_DUTY_CYCLE = CLKOUT4_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT4_PHASE = CLKOUT4_PHASE; +defparam pll_adv_1.CLKOUT5_DIVIDE = CLKOUT5_DIVIDE; +defparam pll_adv_1.CLKOUT5_DUTY_CYCLE = CLKOUT5_DUTY_CYCLE; +defparam pll_adv_1.CLKOUT5_PHASE = CLKOUT5_PHASE; +defparam pll_adv_1.COMPENSATION = COMPENSATION; +defparam pll_adv_1.DIVCLK_DIVIDE = DIVCLK_DIVIDE; +defparam pll_adv_1.REF_JITTER = REF_JITTER; +defparam pll_adv_1.RESET_ON_LOSS_OF_LOCK = RESET_ON_LOSS_OF_LOCK; + +endmodule diff --git a/fpga/usrp2/top/B100/B100.v b/fpga/usrp2/top/B100/B100.v index dcda974b4..cb4efa4fa 100644 --- a/fpga/usrp2/top/B100/B100.v +++ b/fpga/usrp2/top/B100/B100.v @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -50,6 +50,8 @@ module B100 // ///////////////////////////////////////////////////////////////////////// // Clocking wire clk_fpga, clk_fpga_in, reset; + wire gpif_clk = IFCLK; + wire gpif_rst; IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); @@ -57,6 +59,7 @@ module B100 BUFG clk_fpga_BUFG (.I(clk_fpga_in), .O(clk_fpga)); reset_sync reset_sync(.clk(clk_fpga), .reset_in((~reset_n) | (~ext_reset)), .reset_out(reset)); + reset_sync reset_sync_gpif(.clk(gpif_clk), .reset_in((~reset_n) | (~ext_reset)), .reset_out(gpif_rst)); // ///////////////////////////////////////////////////////////////////////// // SPI @@ -105,6 +108,7 @@ module B100 // ///////////////////////////////////////////////////////////////////////// // RX ADC -- handles deinterleaving + wire rxsync_0, rxsync_1; reg [11:0] rx_i, rx_q; wire [11:0] rx_a, rx_b; @@ -151,24 +155,60 @@ module B100 rx_i <= rx_a; rx_q <= rx_b; end - + // ///////////////////////////////////////////////////////////////////////// - // Main U1E Core - u1plus_core u1p_c(.clk_fpga(clk_fpga), .rst_fpga(reset), - .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk), - .debug_txd(), .debug_rxd(1'b1), - - .gpif_d(GPIF_D), .gpif_ctl(GPIF_CTL), .gpif_pktend(GPIF_PKTEND), - .gpif_sloe(GPIF_SLOE), .gpif_slwr(GPIF_SLWR), .gpif_slrd(GPIF_SLRD), - .gpif_fifoadr(GPIF_ADR), .gpif_clk(IFCLK), - - .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), - .sclk(sclk), .sen({SEN_CODEC,SEN_TX_DB,SEN_RX_DB}), .mosi(mosi), .miso(miso), - .cgen_st_status(cgen_st_status), .cgen_st_ld(cgen_st_ld),.cgen_st_refmon(cgen_st_refmon), - .cgen_sync_b(cgen_sync_b), .cgen_ref_sel(cgen_ref_sel), - .io_tx(io_tx), .io_rx(io_rx), - .tx_i(tx_i), .tx_q(tx_q), - .rx_i(rx_i), .rx_q(rx_q), - .pps_in(PPS_IN) ); + // Main Core + wire [35:0] rx_data, tx_data, ctrl_data, resp_data; + wire rx_src_rdy, rx_dst_rdy, tx_src_rdy, tx_dst_rdy, resp_src_rdy, resp_dst_rdy, ctrl_src_rdy, ctrl_dst_rdy; + wire dsp_rx_run, dsp_tx_run; + wire [7:0] sen8; + assign {SEN_CODEC,SEN_TX_DB,SEN_RX_DB} = sen8[2:0]; + wire [31:0] core_debug; + + assign debug_led = {dsp_tx_run, dsp_rx_run, cgen_st_ld}; + wire cgen_sync; + assign { cgen_sync_b, cgen_ref_sel } = {~cgen_sync, 1'b1}; + + u1plus_core #( + .NUM_RX_DSPS(1), + .DSP_RX_XTRA_FIFOSIZE(11), + .DSP_TX_XTRA_FIFOSIZE(12), + .USE_PACKET_PADDER(1) + ) core( + .clk(clk_fpga), .reset(reset), + .debug(core_debug), .debug_clk(debug_clk), + + .rx_data(rx_data), .rx_src_rdy(rx_src_rdy), .rx_dst_rdy(rx_dst_rdy), + .tx_data(tx_data), .tx_src_rdy(tx_src_rdy), .tx_dst_rdy(tx_dst_rdy), + .ctrl_data(ctrl_data), .ctrl_src_rdy(ctrl_src_rdy), .ctrl_dst_rdy(ctrl_dst_rdy), + .resp_data(resp_data), .resp_src_rdy(resp_src_rdy), .resp_dst_rdy(resp_dst_rdy), + + .dsp_rx_run(dsp_rx_run), .dsp_tx_run(dsp_tx_run), + .clock_sync(cgen_sync), + + .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), + .sclk(sclk), .sen(sen8), .mosi(mosi), .miso(miso), + .io_tx(io_tx), .io_rx(io_rx), + .tx_i(tx_i), .tx_q(tx_q), + .rx_i(rx_i), .rx_q(rx_q), + .pps_in(PPS_IN) ); + + // ///////////////////////////////////////////////////////////////////////// + // Interface from host to/from GPIF + wire [31:0] gpif_debug; + slave_fifo slave_fifo (.gpif_clk(gpif_clk), .gpif_rst(gpif_rst), .gpif_d(GPIF_D), + .gpif_ctl(GPIF_CTL), .sloe(GPIF_SLOE), .slwr(GPIF_SLWR), .slrd(GPIF_SLRD), + .pktend(GPIF_PKTEND), .fifoadr(GPIF_ADR), + + .fifo_clk(clk_fpga), .fifo_rst(reset), + .rx_data(rx_data), .rx_src_rdy(rx_src_rdy), .rx_dst_rdy(rx_dst_rdy), + .tx_data(tx_data), .tx_src_rdy(tx_src_rdy), .tx_dst_rdy(tx_dst_rdy), + .ctrl_data(ctrl_data), .ctrl_src_rdy(ctrl_src_rdy), .ctrl_dst_rdy(ctrl_dst_rdy), + .resp_data(resp_data), .resp_src_rdy(resp_src_rdy), .resp_dst_rdy(resp_dst_rdy), + + .debug(gpif_debug)); + + //assign debug = gpif_debug; + assign debug = core_debug; endmodule // B100 diff --git a/fpga/usrp2/top/B100/Makefile b/fpga/usrp2/top/B100/Makefile deleted file mode 100644 index 3ddef1024..000000000 --- a/fpga/usrp2/top/B100/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Copyright 2011 Ettus Research LLC -# - -all: B100 - find -name "*.twr" | xargs grep constraint | grep met - -clean: - rm -rf build* - -B100: - make -f Makefile.$@ bin - -.PHONY: all clean diff --git a/fpga/usrp2/top/B100/core_compile b/fpga/usrp2/top/B100/core_compile index b62cbaee0..2192bfa94 100755 --- a/fpga/usrp2/top/B100/core_compile +++ b/fpga/usrp2/top/B100/core_compile @@ -1 +1 @@ -iverilog -Wall -y. -y ../../control_lib/ -y ../../custom/ -y ../../fifo/ -y ../../gpif/ -y ../../models/ -y ../../sdr_lib/ -y ../../coregen/ -y ../../vrt/ -y ../../opencores/i2c/rtl/verilog/ -y ../../opencores/spi/rtl/verilog/ -y ../../timing/ -y ../../opencores/8b10b/ -I ../../opencores/spi/rtl/verilog/ -I ../../opencores/i2c/rtl/verilog/ -y ../../simple_gemac u1plus_core.v 2>&1 | grep -v timescale | grep -v coregen | grep -v models +iverilog -Wall -y. -y ../../control_lib/ -y ../../custom/ -y ../../fifo/ -y ../../gpif/ -y ../../models/ -y ../../sdr_lib/ -y ../../coregen/ -y ../../vrt/ -y ../../opencores/i2c/rtl/verilog/ -y ../../opencores/spi/rtl/verilog/ -y ../../timing/ -y ../../opencores/8b10b/ -I ../../opencores/spi/rtl/verilog/ -I ../../opencores/i2c/rtl/verilog/ -y ../../simple_gemac B100.v 2>&1 | grep -v timescale | grep -v coregen | grep -v models diff --git a/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf index 96c47cf2c..c4404e1d0 100644 --- a/fpga/usrp2/top/B100/timing.ucf +++ b/fpga/usrp2/top/B100/timing.ucf @@ -5,10 +5,15 @@ NET "IFCLK" TNM_NET = "IFCLK"; TIMESPEC "TS_IFCLK" = PERIOD "IFCLK" 20833 ps HIGH 50 %; #constrain FX2 IO -NET "GPIF_D<*>" MAXDELAY = 5.5 ns; -NET "GPIF_CTL<*>" MAXDELAY = 5.5 ns; -NET "GPIF_ADR<*>" MAXDELAY = 5.5ns; -NET "GPIF_SLWR" MAXDELAY = 5.5 ns; -NET "GPIF_SLRD" MAXDELAY = 5.5 ns; -NET "GPIF_SLOE" MAXDELAY = 5.5 ns; -NET "GPIF_PKTEND" MAXDELAY = 5.5 ns; +INST "GPIF_D<*>" TNM = gpif_net_in; +INST "GPIF_CTL<*>" TNM = gpif_net_in; + +INST "GPIF_D<*>" TNM = gpif_net_out; +INST "GPIF_ADR<*>" TNM = gpif_net_out; +INST "GPIF_SLWR" TNM = gpif_net_out; +INST "GPIF_SLOE" TNM = gpif_net_out; +INST "GPIF_SLRD" TNM = gpif_net_out; +INST "GPIF_PKTEND" TNM = gpif_net_out; + +TIMEGRP "gpif_net_in" OFFSET = IN 7 ns VALID 14 ns BEFORE "IFCLK" RISING; +TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING; diff --git a/fpga/usrp2/top/B100/u1plus.ucf b/fpga/usrp2/top/B100/u1plus.ucf deleted file mode 100644 index 3ecc4daf2..000000000 --- a/fpga/usrp2/top/B100/u1plus.ucf +++ /dev/null @@ -1,203 +0,0 @@ -## Main Clock -NET "CLK_FPGA_P" LOC = "R7" ; -NET "CLK_FPGA_N" LOC = "T7" ; - -## UART -NET "FPGA_TXD" LOC = "H16" ; -NET "FPGA_RXD" LOC = "H12" ; - -## I2C -NET "SDA_FPGA" LOC = "T13" ; -NET "SCL_FPGA" LOC = "R13" ; - -## CGEN -NET "cgen_st_ld" LOC = "M13" ; -NET "cgen_st_refmon" LOC = "J14" ; -NET "cgen_st_status" LOC = "P6" ; -NET "cgen_ref_sel" LOC = "T2" ; -NET "cgen_sync_b" LOC = "H15" ; - -## FPGA Config -#NET "fpga_cfg_din" LOC = "T14" ; -#NET "fpga_cfg_cclk" LOC = "R14" ; -#NET "fpga_cfg_init_b" LOC = "T12" ; - -## MISC -#NET "mystery_bus<2>" LOC = "T11" ; -#NET "mystery_bus<1>" LOC = "C4" ; -#NET "mystery_bus<0>" LOC = "E7" ; -NET "reset_n" LOC = "D5" ; -NET "PPS_IN" LOC = "M14" ; -NET "reset_codec" LOC = "B14" ; - -## GPIF -NET "GPIF_D<15>" LOC = "P7" ; -NET "GPIF_D<14>" LOC = "N8" ; -NET "GPIF_D<13>" LOC = "T5" ; -NET "GPIF_D<12>" LOC = "T6" ; -NET "GPIF_D<11>" LOC = "N6" ; -NET "GPIF_D<10>" LOC = "P5" ; -NET "GPIF_D<9>" LOC = "R3" ; -NET "GPIF_D<8>" LOC = "T3" ; -NET "GPIF_D<7>" LOC = "N12" ; -NET "GPIF_D<6>" LOC = "P13" ; -NET "GPIF_D<5>" LOC = "P11" ; -NET "GPIF_D<4>" LOC = "R9" ; -NET "GPIF_D<3>" LOC = "T9" ; -NET "GPIF_D<2>" LOC = "N9" ; -NET "GPIF_D<1>" LOC = "P9" ; -NET "GPIF_D<0>" LOC = "P8" ; - -NET "GPIF_CTL<3>" LOC = "N5" ; -NET "GPIF_CTL<2>" LOC = "M11" ; -NET "GPIF_CTL<1>" LOC = "M9" ; -NET "GPIF_CTL<0>" LOC = "M7" ; - -NET "GPIF_RDY<3>" LOC = "N11" ; -NET "GPIF_RDY<2>" LOC = "T10" ; -NET "GPIF_RDY<1>" LOC = "T4" ; -NET "GPIF_RDY<0>" LOC = "R5" ; - -NET "FX2_PA7_FLAGD" LOC = "P12" ; -NET "FX2_PA6_PKTEND" LOC = "R11" ; -NET "FX2_PA2_SLOE" LOC = "P10" ; - -NET "IFCLK" LOC = "T8" ; - -## LEDs -NET "debug_led<2>" LOC = "R2" ; -NET "debug_led<1>" LOC = "N4" ; -NET "debug_led<0>" LOC = "P4" ; - -## Debug bus -NET "debug_clk<0>" LOC = "K15" ; -NET "debug_clk<1>" LOC = "K14" ; -NET "debug<0>" LOC = "K16" ; -NET "debug<1>" LOC = "J16" ; -NET "debug<2>" LOC = "C16" ; -NET "debug<3>" LOC = "C15" ; -NET "debug<4>" LOC = "E13" ; -NET "debug<5>" LOC = "D14" ; -NET "debug<6>" LOC = "D16" ; -NET "debug<7>" LOC = "D15" ; -NET "debug<8>" LOC = "E14" ; -NET "debug<9>" LOC = "F13" ; -NET "debug<10>" LOC = "G13" ; -NET "debug<11>" LOC = "F14" ; -NET "debug<12>" LOC = "E16" ; -NET "debug<13>" LOC = "F15" ; -NET "debug<14>" LOC = "H13" ; -NET "debug<15>" LOC = "G14" ; -NET "debug<16>" LOC = "G16" ; -NET "debug<17>" LOC = "F16" ; -NET "debug<18>" LOC = "J12" ; -NET "debug<19>" LOC = "J13" ; -NET "debug<20>" LOC = "L14" ; -NET "debug<21>" LOC = "L16" ; -NET "debug<22>" LOC = "M15" ; -NET "debug<23>" LOC = "M16" ; -NET "debug<24>" LOC = "L13" ; -NET "debug<25>" LOC = "K13" ; -NET "debug<26>" LOC = "P16" ; -NET "debug<27>" LOC = "N16" ; -NET "debug<28>" LOC = "R15" ; -NET "debug<29>" LOC = "P15" ; -NET "debug<30>" LOC = "N13" ; -NET "debug<31>" LOC = "N14" ; - -## ADC -NET "adc<11>" LOC = "B15" ; -NET "adc<10>" LOC = "A8" ; -NET "adc<9>" LOC = "B8" ; -NET "adc<8>" LOC = "C8" ; -NET "adc<7>" LOC = "D8" ; -NET "adc<6>" LOC = "C9" ; -NET "adc<5>" LOC = "A9" ; -NET "adc<4>" LOC = "C10" ; -NET "adc<3>" LOC = "D9" ; -NET "adc<2>" LOC = "A3" ; -NET "adc<1>" LOC = "B3" ; -NET "adc<0>" LOC = "A4" ; -NET "RXSYNC" LOC = "D10" ; - -## DAC -NET "TXBLANK" LOC = "K1" ; -NET "TXSYNC" LOC = "J2" ; -NET "dac<0>" LOC = "J1" ; -NET "dac<1>" LOC = "H3" ; -NET "dac<2>" LOC = "J3" ; -NET "dac<3>" LOC = "G2" ; -NET "dac<4>" LOC = "H1" ; -NET "dac<5>" LOC = "N3" ; -NET "dac<6>" LOC = "M4" ; -NET "dac<7>" LOC = "R1" ; -NET "dac<8>" LOC = "P2" ; -NET "dac<9>" LOC = "P1" ; -NET "dac<10>" LOC = "M1" ; -NET "dac<11>" LOC = "N1" ; -NET "dac<12>" LOC = "M3" ; -NET "dac<13>" LOC = "L4" ; - -## TX DB -NET "io_tx<0>" LOC = "K4" ; -NET "io_tx<1>" LOC = "L3" ; -NET "io_tx<2>" LOC = "L2" ; -NET "io_tx<3>" LOC = "F1" ; -NET "io_tx<4>" LOC = "F3" ; -NET "io_tx<5>" LOC = "G3" ; -NET "io_tx<6>" LOC = "E3" ; -NET "io_tx<7>" LOC = "E2" ; -NET "io_tx<8>" LOC = "E4" ; -NET "io_tx<9>" LOC = "F4" ; -NET "io_tx<10>" LOC = "D1" ; -NET "io_tx<11>" LOC = "E1" ; -NET "io_tx<12>" LOC = "D4" ; -NET "io_tx<13>" LOC = "D3" ; -NET "io_tx<14>" LOC = "C2" ; -NET "io_tx<15>" LOC = "C1" ; - -## RX DB -NET "io_rx<0>" LOC = "D7" ; -NET "io_rx<1>" LOC = "C6" ; -NET "io_rx<2>" LOC = "A6" ; -NET "io_rx<3>" LOC = "B6" ; -NET "io_rx<4>" LOC = "E9" ; -NET "io_rx<5>" LOC = "A7" ; -NET "io_rx<6>" LOC = "C7" ; -NET "io_rx<7>" LOC = "B10" ; -NET "io_rx<8>" LOC = "A10" ; -NET "io_rx<9>" LOC = "C11" ; -NET "io_rx<10>" LOC = "A11" ; -NET "io_rx<11>" LOC = "D11" ; -NET "io_rx<12>" LOC = "B12" ; -NET "io_rx<13>" LOC = "A12" ; -NET "io_rx<14>" LOC = "A14" ; -NET "io_rx<15>" LOC = "A13" ; - -## SPI -#NET "SEN_AUX" LOC = "C12" ; -#NET "SCLK_AUX" LOC = "D12" ; -#NET "MISO_AUX" LOC = "J5" ; -NET "SCLK_CODEC" LOC = "K3" ; -NET "SEN_CODEC" LOC = "D13" ; -NET "MOSI_CODEC" LOC = "C13" ; -NET "MISO_CODEC" LOC = "G4" ; - -NET "MISO_RX_DB" LOC = "E6" ; -NET "SEN_RX_DB" LOC = "B4" ; -NET "MOSI_RX_DB" LOC = "A5" ; -NET "SCLK_RX_DB" LOC = "C5" ; - -NET "MISO_TX_DB" LOC = "J4" ; -NET "SEN_TX_DB" LOC = "N2" ; -NET "MOSI_TX_DB" LOC = "L1" ; -NET "SCLK_TX_DB" LOC = "G1" ; - -## Dedicated pins -#NET "TMS" LOC = "B2" ; -#NET "TDO" LOC = "B16" ; -#NET "TDI" LOC = "B1" ; -#NET "TCK" LOC = "A15" ; - -#NET "fpga_cfg_prog_b" LOC = "A2" ; -#NET "fpga_cfg_done" LOC = "T15" ; diff --git a/fpga/usrp2/top/B100/u1plus.v b/fpga/usrp2/top/B100/u1plus.v deleted file mode 100644 index 5e3200580..000000000 --- a/fpga/usrp2/top/B100/u1plus.v +++ /dev/null @@ -1,173 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -`timescale 1ns / 1ps -////////////////////////////////////////////////////////////////////////////////// - -module u1plus - (input CLK_FPGA_P, input CLK_FPGA_N, // Diff - output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk, - output FPGA_TXD, input FPGA_RXD, - - // GPIF - inout [15:0] GPIF_D, input [3:0] GPIF_CTL, output [3:0] GPIF_RDY, - output FX2_PA7_FLAGD, output FX2_PA6_PKTEND, output FX2_PA2_SLOE, - input IFCLK, - - inout SDA_FPGA, inout SCL_FPGA, // I2C - - output SCLK_TX_DB, output SEN_TX_DB, output MOSI_TX_DB, input MISO_TX_DB, // DB TX SPI - output SCLK_RX_DB, output SEN_RX_DB, output MOSI_RX_DB, input MISO_RX_DB, // DB TX SPI - output SCLK_CODEC, output SEN_CODEC, output MOSI_CODEC, input MISO_CODEC, // AD9862 main SPI - - input cgen_st_status, input cgen_st_ld, input cgen_st_refmon, output cgen_sync_b, output cgen_ref_sel, - - inout [15:0] io_tx, inout [15:0] io_rx, - - output [13:0] dac, output TXSYNC, output TXBLANK, - input [11:0] adc, input RXSYNC, - - input PPS_IN, - input reset_n, output reset_codec - ); - - assign reset_codec = 1; // Believed to be active low - - // ///////////////////////////////////////////////////////////////////////// - // Clocking - wire clk_fpga, clk_fpga_in, reset; - - IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) - clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); - - BUFG clk_fpga_BUFG (.I(clk_fpga_in), .O(clk_fpga)); - - reset_sync reset_sync(.clk(clk_fpga), .reset_in(~reset_n), .reset_out(reset)); - - // ///////////////////////////////////////////////////////////////////////// - // SPI - wire mosi, sclk, miso; - assign { SCLK_TX_DB, MOSI_TX_DB } = ~SEN_TX_DB ? {sclk,mosi} : 2'b0; - assign { SCLK_RX_DB, MOSI_RX_DB } = ~SEN_RX_DB ? {sclk,mosi} : 2'b0; - assign { SCLK_CODEC, MOSI_CODEC } = ~SEN_CODEC ? {sclk,mosi} : 2'b0; - assign miso = (~SEN_TX_DB & MISO_TX_DB) | (~SEN_RX_DB & MISO_RX_DB) | - (~SEN_CODEC & MISO_CODEC); - - // ///////////////////////////////////////////////////////////////////////// - // TX DAC -- handle the interleaved data bus to DAC, with clock doubling DLL - - assign TXBLANK = 0; - wire [13:0] tx_i, tx_q; - - genvar i; - generate - for(i=0;i<14;i=i+1) - begin : gen_dacout - ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT(1'b0), // Sets initial state of the Q output to 1'b0 or 1'b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - ODDR2_inst (.Q(dac[i]), // 1-bit DDR output data - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D0(tx_i[i]), // 1-bit data input (associated with C0) - .D1(tx_q[i]), // 1-bit data input (associated with C1) - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - end // block: gen_dacout - endgenerate - ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT(1'b0), // Sets initial state of the Q output to 1'b0 or 1'b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - ODDR2_txsnc (.Q(TXSYNC), // 1-bit DDR output data - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D0(1'b0), // 1-bit data input (associated with C0) - .D1(1'b1), // 1-bit data input (associated with C1) - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - - // ///////////////////////////////////////////////////////////////////////// - // RX ADC -- handles deinterleaving - - reg [11:0] rx_i, rx_q; - wire [11:0] rx_a, rx_b; - - genvar j; - generate - for(j=0;j<12;j=j+1) - begin : gen_adcin - IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT_Q0(1'b0), // Sets initial state of the Q0 output to 1’b0 or 1’b1 - .INIT_Q1(1'b0), // Sets initial state of the Q1 output to 1’b0 or 1’b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - IDDR2_inst (.Q0(rx_a[j]), // 1-bit output captured with C0 clock - .Q1(rx_b[j]), // 1-bit output captured with C1 clock - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D(adc[j]), // 1-bit DDR data input - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - end // block: gen_adcin - endgenerate - - IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT_Q0(1'b0), // Sets initial state of the Q0 output to 1’b0 or 1’b1 - .INIT_Q1(1'b0), // Sets initial state of the Q1 output to 1’b0 or 1’b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - IDDR2_sync (.Q0(rxsync_0), // 1-bit output captured with C0 clock - .Q1(rxsync_1), // 1-bit output captured with C1 clock - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D(RXSYNC), // 1-bit DDR data input - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - - always @(posedge clk_fpga) - if(rxsync_0) - begin - rx_i <= rx_b; - rx_q <= rx_a; - end - else - begin - rx_i <= rx_a; - rx_q <= rx_b; - end - - // ///////////////////////////////////////////////////////////////////////// - // Main U1E Core - u1plus_core u1p_c(.clk_fpga(clk_fpga), .rst_fpga(reset), - .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk), - .debug_txd(FPGA_TXD), .debug_rxd(FPGA_RXD), - .gpif_d(GPIF_D), .gpif_ctl(GPIF_CTL), .gpif_rdy(GPIF_RDY), - .gpif_misc({FX2_PA7_FLAGD,FX2_PA6_PKTEND,FX2_PA2_SLOE}), - .gpif_clk(IFCLK), - - .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), - .sclk(sclk), .sen({SEN_CODEC,SEN_TX_DB,SEN_RX_DB}), .mosi(mosi), .miso(miso), - .cgen_st_status(cgen_st_status), .cgen_st_ld(cgen_st_ld),.cgen_st_refmon(cgen_st_refmon), - .cgen_sync_b(cgen_sync_b), .cgen_ref_sel(cgen_ref_sel), - .io_tx(io_tx), .io_rx(io_rx), - .tx_i(tx_i), .tx_q(tx_q), - .rx_i(rx_i), .rx_q(rx_q), - .pps_in(PPS_IN) ); - -endmodule // u1plus diff --git a/fpga/usrp2/top/B100/u1plus_core.v b/fpga/usrp2/top/B100/u1plus_core.v index e5af189cc..691ad1f75 100644 --- a/fpga/usrp2/top/B100/u1plus_core.v +++ b/fpga/usrp2/top/B100/u1plus_core.v @@ -18,435 +18,332 @@ module u1plus_core - (input clk_fpga, input rst_fpga, - output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk, - output debug_txd, input debug_rxd, - - // GPIF - inout [15:0] gpif_d, input [3:0] gpif_ctl, output gpif_sloe, - output gpif_slwr, output gpif_slrd, output gpif_pktend, output [1:0] gpif_fifoadr, - input gpif_clk, - +#( + parameter NUM_RX_DSPS = 2, + parameter CTRL_ACK_SID = 20, //needed for reply + + parameter DSP_TX_FIFOSIZE = 10, //4K MTU + parameter DSP_RX_FIFOSIZE = 10, //4K MTU + + parameter DSP_RX_XTRA_FIFOSIZE = 11, + parameter DSP_TX_XTRA_FIFOSIZE = 11, + + parameter USE_PACKET_PADDER = 0 +) + (input clk, input reset, + output [31:0] debug, output [1:0] debug_clk, + + // Host Interface + input [35:0] tx_data, input tx_src_rdy, output tx_dst_rdy, + output [35:0] rx_data, output rx_src_rdy, input rx_dst_rdy, + input [35:0] ctrl_data, input ctrl_src_rdy, output ctrl_dst_rdy, + output [35:0] resp_data, output resp_src_rdy, input resp_dst_rdy, + + output dsp_rx_run, output dsp_tx_run, output clock_sync, + inout db_sda, inout db_scl, - output sclk, output [15:0] sen, output mosi, input miso, + output sclk, output [7:0] sen, output mosi, input miso, - input cgen_st_status, input cgen_st_ld, input cgen_st_refmon, output cgen_sync_b, output cgen_ref_sel, - inout [15:0] io_tx, inout [15:0] io_rx, - output [13:0] tx_i, output [13:0] tx_q, - input [11:0] rx_i, input [11:0] rx_q, + inout [15:0] io_tx, inout [15:0] io_rx, + output [13:0] tx_i, output [13:0] tx_q, + input [11:0] rx_i, input [11:0] rx_q, input pps_in ); - localparam TXFIFOSIZE = 11; - localparam RXFIFOSIZE = 12; - - // 64 total regs in address space - localparam SR_RX_CTRL0 = 0; // 9 regs (+0 to +8) - localparam SR_RX_DSP0 = 10; // 4 regs (+0 to +3) - localparam SR_RX_CTRL1 = 16; // 9 regs (+0 to +8) - localparam SR_RX_DSP1 = 26; // 4 regs (+0 to +3) - localparam SR_TX_CTRL = 32; // 4 regs (+0 to +3) - localparam SR_TX_DSP = 38; // 3 regs (+0 to +2) - - localparam SR_TIME64 = 42; // 6 regs (+0 to +5) - localparam SR_RX_FRONT = 48; // 5 regs (+0 to +4) - localparam SR_TX_FRONT = 54; // 5 regs (+0 to +4) - - localparam SR_REG_TEST32 = 60; // 1 reg - localparam SR_CLEAR_FIFO = 61; // 1 reg - localparam SR_GLOBAL_RESET = 63; // 1 reg - localparam SR_USER_REGS = 64; // 2 regs - - localparam SR_GPIO = 128; // 5 regs - - wire wb_clk = clk_fpga; - wire wb_rst, global_reset; - - wire pps_int; - wire [63:0] vita_time, vita_time_pps; - reg [15:0] reg_cgen_ctrl, reg_test; - - wire [7:0] set_addr, set_addr_user; - wire [31:0] set_data, set_data_user; - wire set_stb, set_stb_user; - - wire [31:0] debug0; - wire [31:0] debug1; - - wire [31:0] debug_vt; - wire gpif_rst; - - reg [7:0] frames_per_packet; - - wire rx_overrun_dsp0, rx_overrun_dsp1, rx_overrun_gpif, tx_underrun_dsp, tx_underrun_gpif; - wire rx_overrun = rx_overrun_gpif | rx_overrun_dsp0 | rx_overrun_dsp1; - wire tx_underrun = tx_underrun_gpif | tx_underrun_dsp; - - setting_reg #(.my_addr(SR_GLOBAL_RESET), .width(1)) sr_reset - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(global_reset)); - - reset_sync reset_sync_wb(.clk(wb_clk), .reset_in(rst_fpga | global_reset), .reset_out(wb_rst)); - reset_sync reset_sync_gp(.clk(gpif_clk), .reset_in(rst_fpga | global_reset), .reset_out(gpif_rst)); - - // ///////////////////////////////////////////////////////////////////////////////////// - // GPIF Slave to Wishbone Master - localparam dw = 16; - localparam aw = 11; - localparam sw = 2; - - wire [dw-1:0] m0_dat_mosi, m0_dat_miso; - wire [aw-1:0] m0_adr; - wire [sw-1:0] m0_sel; - wire m0_cyc, m0_stb, m0_we, m0_ack, m0_err, m0_rty; - - wire [31:0] debug_gpif; - - wire [35:0] tx_data, rx_data, tx_err_data; - wire tx_src_rdy, tx_dst_rdy, rx_src_rdy, rx_dst_rdy, - tx_err_src_rdy, tx_err_dst_rdy; - - wire clear_fifo; - - setting_reg #(.my_addr(SR_CLEAR_FIFO), .width(1)) sr_clear_fifo - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(clear_fifo)); - - wire run_rx0, run_rx1; - - slave_fifo #(.TXFIFOSIZE(TXFIFOSIZE), .RXFIFOSIZE(RXFIFOSIZE)) - slave_fifo (.gpif_clk(gpif_clk), .gpif_rst(gpif_rst), .gpif_d(gpif_d), - .gpif_ctl(gpif_ctl), .sloe(gpif_sloe), .slwr(gpif_slwr), .slrd(gpif_slrd), - .pktend(gpif_pktend), .fifoadr(gpif_fifoadr), - - .wb_clk(wb_clk), .wb_rst(wb_rst), - .wb_adr_o(m0_adr), .wb_dat_mosi(m0_dat_mosi), .wb_dat_miso(m0_dat_miso), - .wb_sel_o(m0_sel), .wb_cyc_o(m0_cyc), .wb_stb_o(m0_stb), .wb_we_o(m0_we), - .wb_ack_i(m0_ack), .triggers(8'd0), - - .dsp_rx_run(run_rx0 | run_rx1), - - .fifo_clk(wb_clk), .fifo_rst(wb_rst), .clear_tx(clear_fifo), .clear_rx(clear_fifo), - .tx_data_o(tx_data), .tx_src_rdy_o(tx_src_rdy), .tx_dst_rdy_i(tx_dst_rdy), - .rx_data_i(rx_data), .rx_src_rdy_i(rx_src_rdy), .rx_dst_rdy_o(rx_dst_rdy), - .tx_err_data_i(tx_err_data), .tx_err_src_rdy_i(tx_err_src_rdy), .tx_err_dst_rdy_o(tx_err_dst_rdy), - - .tx_underrun(tx_underrun_gpif), .rx_overrun(rx_overrun_gpif), - - .test_len(0), .test_rate(0), .test_ctrl(0), - .debug0(debug0), .debug1(debug1)); + localparam SR_MISC = 0; // 5 + localparam SR_USER_REGS = 5; // 2 + localparam SR_PADDER = 10; // 2 + + localparam SR_TX_CTRL = 32; // 6 + localparam SR_TX_DSP = 40; // 5 + localparam SR_TX_FE = 48; // 5 + + localparam SR_RX_CTRL0 = 96; // 9 + localparam SR_RX_DSP0 = 106; // 7 + localparam SR_RX_FE = 114; // 5 + + localparam SR_RX_CTRL1 = 128; // 9 + localparam SR_RX_DSP1 = 138; // 7 + + localparam SR_TIME64 = 192; // 6 + localparam SR_SPI = 208; // 3 + localparam SR_I2C = 216; // 1 + localparam SR_GPIO = 224; // 5 + + //compatibility number -> increment when the fpga has been sufficiently altered + localparam compat_num = {16'd11, 16'd0}; //major, minor + + //assign run signals used for ATR logic + wire [NUM_RX_DSPS-1:0] run_rx_n; + wire run_tx; + wire run_rx = |(run_rx_n); + assign dsp_rx_run = run_rx; + assign dsp_tx_run = run_tx; + + //shared time core signals + wire [63:0] vita_time, vita_time_pps; + + //shared settings bus signals + wire set_stb, set_stb_user; + wire [31:0] set_data, set_data_user; + wire [7:0] set_addr, set_addr_user; + + //shared SPI core signals + wire [31:0] spi_readback; + wire spi_ready; + + //shared I2C core signals + wire [31:0] i2c_readback; + wire i2c_ready; + + //shared GPIO core signals + wire [31:0] gpio_readback; + + /////////////////////////////////////////////////////////////////////////// + // Misc Registers - persistent across resets + /////////////////////////////////////////////////////////////////////////// + wire [31:0] config_word0; + setting_reg #(.my_addr(SR_MISC+0), .width(32)) sr_misc_config0 + (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word0)); + wire [31:0] config_word1; + setting_reg #(.my_addr(SR_MISC+1), .width(32)) sr_misc_config1 + (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word1)); + + /////////////////////////////////////////////////////////////////////////// + // Settings Bus and Readback + /////////////////////////////////////////////////////////////////////////// + user_settings #(.BASE(SR_USER_REGS)) user_settings + (.clk(clk),.rst(reset), + .set_stb(set_stb), .set_addr(set_addr),.set_data(set_data), + .set_addr_user(set_addr_user),.set_data_user(set_data_user), .set_stb_user(set_stb_user) ); + + wire [35:0] ctrl_out_data, ctrl_int_data; + wire ctrl_out_src_rdy, ctrl_out_dst_rdy; + wire ctrl_int_src_rdy, ctrl_int_dst_rdy; + + fifo_cascade #(.WIDTH(36), .SIZE(9)) ctrl_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(ctrl_data), .src_rdy_i(ctrl_src_rdy), .dst_rdy_o(ctrl_dst_rdy), .space(), + .dataout(ctrl_int_data), .src_rdy_o(ctrl_int_src_rdy), .dst_rdy_i(ctrl_int_dst_rdy), .occupied()); + + wire [31:0] num_rx_dsps_rb = NUM_RX_DSPS; + + wire [31:0] sfc_debug; + settings_fifo_ctrl #(.PROT_HDR(0), .ACK_SID(CTRL_ACK_SID), .XPORT_HDR(0)) sfc + ( + .clock(clk), .reset(reset), .clear(1'b0), + .vita_time(vita_time), .perfs_ready(spi_ready & i2c_ready), + .in_data(ctrl_int_data), .in_valid(ctrl_int_src_rdy), .in_ready(ctrl_int_dst_rdy), + .out_data(ctrl_out_data), .out_valid(ctrl_out_src_rdy), .out_ready(ctrl_out_dst_rdy), + .strobe(set_stb), .addr(set_addr), .data(set_data), + .word00(spi_readback),.word01(compat_num),.word02(i2c_readback),.word03(gpio_readback), + .word04(config_word0),.word05(config_word1),.word06(num_rx_dsps_rb),.word07(32'hffff_ffff), + .word08(32'hffff_ffff),.word09(32'hffff_ffff),.word10(vita_time[63:32]), + .word11(vita_time[31:0]),.word12(32'hffff_ffff),.word13(32'hffff_ffff), + .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0]), + .debug(sfc_debug) + ); + + /////////////////////////////////////////////////////////////////////////// + // Time Core + /////////////////////////////////////////////////////////////////////////// + time_64bit #(.BASE(SR_TIME64)) time_64bit + (.clk(clk), .rst(reset), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), + .exp_time_in(0)); + assign clock_sync = 1'b0; + + /////////////////////////////////////////////////////////////////////////// + // SPI Core + /////////////////////////////////////////////////////////////////////////// + simple_spi_core #(.BASE(SR_SPI), .WIDTH(8), .CLK_IDLE(0), .SEN_IDLE(8'hff)) + simple_spi_core (.clock(clk), .reset(reset), + .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .readback(spi_readback), .ready(spi_ready), + .sen(sen), .sclk(sclk), .mosi(mosi), .miso(miso)); + + /////////////////////////////////////////////////////////////////////////// + // I2C Core + /////////////////////////////////////////////////////////////////////////// + wire scl_pad_i, scl_pad_o, scl_pad_oen_o, sda_pad_i, sda_pad_o, sda_pad_oen_o; + simple_i2c_core #(.BASE(SR_I2C)) i2c_core + (.clock(clk),.reset(reset), + .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .readback(i2c_readback), .ready(i2c_ready), + .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), + .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); + + // I2C -- Don't use external transistors for open drain, the FPGA implements this + IOBUF scl_pin(.O(scl_pad_i), .IO(db_scl), .I(scl_pad_o), .T(scl_pad_oen_o)); + IOBUF sda_pin(.O(sda_pad_i), .IO(db_sda), .I(sda_pad_o), .T(sda_pad_oen_o)); + + /////////////////////////////////////////////////////////////////////////// + // GPIO Core + /////////////////////////////////////////////////////////////////////////// + gpio_atr #(.BASE(SR_GPIO), .WIDTH(32)) + gpio_atr(.clk(clk),.reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .rx(run_rx), .tx(run_tx), .gpio({io_tx, io_rx}), .gpio_readback(gpio_readback) ); // ///////////////////////////////////////////////////////////////////////// // RX ADC Frontend, does IQ Balance, DC Offset, muxing wire [23:0] rx_fe_i, rx_fe_q; // 24 bits is total overkill here, but it matches u2/u2p - rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend - (.clk(wb_clk),.rst(wb_rst), + rx_frontend #(.BASE(SR_RX_FE)) rx_frontend + (.clk(clk),.rst(reset), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .adc_a({rx_i,4'b00}),.adc_ovf_a(0), .adc_b({rx_q,4'b00}),.adc_ovf_b(0), - .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx0 | run_rx1), .debug()); - - // ///////////////////////////////////////////////////////////////////////// - // DSP RX 0 - - wire [31:0] sample_rx0; - wire strobe_rx0, clear_rx0; - wire [35:0] vita_rx_data0; - wire vita_rx_src_rdy0, vita_rx_dst_rdy0; - - ddc_chain #(.BASE(SR_RX_DSP0), .DSPNO(0)) ddc_chain0 - (.clk(wb_clk), .rst(wb_rst), .clr(clear_rx0), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), - .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), - .debug() ); + .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx), .debug()); - vita_rx_chain #(.BASE(SR_RX_CTRL0), .UNIT(0), .FIFOSIZE(10), .PROT_ENG_FLAGS(0), .DSP_NUMBER(0)) vita_rx_chain0 - (.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), .overrun(rx_overrun_dsp0), - .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), .clear_o(clear_rx0), - .rx_data_o(vita_rx_data0), .rx_dst_rdy_i(vita_rx_dst_rdy0), .rx_src_rdy_o(vita_rx_src_rdy0), - .debug() ); - // ///////////////////////////////////////////////////////////////////////// - // DSP RX 1 - - wire [31:0] sample_rx1; - wire strobe_rx1, clear_rx1; - wire [35:0] vita_rx_data1; - wire vita_rx_src_rdy1, vita_rx_dst_rdy1; - - ddc_chain #(.BASE(SR_RX_DSP1), .DSPNO(1)) ddc_chain1 - (.clk(wb_clk),.rst(wb_rst), .clr(clear_rx1), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), - .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), - .debug() ); - - vita_rx_chain #(.BASE(SR_RX_CTRL1), .UNIT(1), .FIFOSIZE(10), .PROT_ENG_FLAGS(0), .DSP_NUMBER(1)) vita_rx_chain1 - (.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), .overrun(rx_overrun_dsp1), - .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), .clear_o(clear_rx1), - .rx_data_o(vita_rx_data1), .rx_dst_rdy_i(vita_rx_dst_rdy1), .rx_src_rdy_o(vita_rx_src_rdy1), - .debug() ); + // DSP RX * + + wire [35:0] rx_int2_data [NUM_RX_DSPS-1:0]; + wire rx_int2_src_rdy [NUM_RX_DSPS-1:0]; + wire rx_int2_dst_rdy [NUM_RX_DSPS-1:0]; + + genvar dspno; + generate + for(dspno = 0; dspno < NUM_RX_DSPS; dspno = dspno + 1) begin:gen_rx_dsps + + wire [31:0] sample_rx; + wire strobe_rx, clear_rx; + wire [35:0] vita_rx_data; + wire vita_rx_src_rdy, vita_rx_dst_rdy; + wire [35:0] int_rx_data; + wire int_rx_src_rdy, int_rx_dst_rdy; + + ddc_chain #(.BASE(SR_RX_DSP0+dspno*32), .DSPNO(dspno)) ddc_chain + (.clk(clk), .rst(reset), .clr(clear_rx), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), + .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), + .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), + .debug() ); + + vita_rx_chain #(.BASE(SR_RX_CTRL0+dspno*32), .UNIT(dspno), .FIFOSIZE(DSP_RX_FIFOSIZE), .PROT_ENG_FLAGS(0), .DSP_NUMBER(dspno)) vita_rx_chain + (.clk(clk),.reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), + .vita_time(vita_time), .overrun(), + .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), .clear_o(clear_rx), + .rx_data_o(vita_rx_data), .rx_dst_rdy_i(vita_rx_dst_rdy), .rx_src_rdy_o(vita_rx_src_rdy), + .debug() ); + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE+1)) rx_data_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(vita_rx_data), .src_rdy_i(vita_rx_src_rdy), .dst_rdy_o(vita_rx_dst_rdy), .space(), + .dataout(int_rx_data), .src_rdy_o(int_rx_src_rdy), .dst_rdy_i(int_rx_dst_rdy), .occupied()); + + if (dspno == 0) begin + assign rx_int2_data[dspno] = int_rx_data; + assign rx_int2_src_rdy[dspno] = int_rx_src_rdy; + assign int_rx_dst_rdy = rx_int2_dst_rdy[dspno]; + end + else begin + fifo36_mux #(.prio(0)) // No priority, fair sharing + combine_rx_dsps ( + .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), + .data0_i(rx_int2_data[dspno-1]), .src0_rdy_i(rx_int2_src_rdy[dspno-1]), .dst0_rdy_o(rx_int2_dst_rdy[dspno-1]), + .data1_i(int_rx_data), .src1_rdy_i(int_rx_src_rdy), .dst1_rdy_o(int_rx_dst_rdy), + .data_o(rx_int2_data[dspno]), .src_rdy_o(rx_int2_src_rdy[dspno]), .dst_rdy_i(rx_int2_dst_rdy[dspno]) + ); + end + + end + endgenerate // ///////////////////////////////////////////////////////////////////////// // RX Stream muxing - fifo36_mux #(.prio(0)) mux_data_streams - (.clk(wb_clk), .reset(wb_rst), .clear(clear_fifo), - .data0_i(vita_rx_data0), .src0_rdy_i(vita_rx_src_rdy0), .dst0_rdy_o(vita_rx_dst_rdy0), - .data1_i(vita_rx_data1), .src1_rdy_i(vita_rx_src_rdy1), .dst1_rdy_o(vita_rx_dst_rdy1), - .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy)); + wire [35:0] rx_int3_data; + wire rx_int3_src_rdy, rx_int3_dst_rdy; + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_XTRA_FIFOSIZE)) rx_data_fifo_combined + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(rx_int2_data[NUM_RX_DSPS-1]), .src_rdy_i(rx_int2_src_rdy[NUM_RX_DSPS-1]), .dst_rdy_o(rx_int2_dst_rdy[NUM_RX_DSPS-1]), .space(), + .dataout(rx_int3_data), .src_rdy_o(rx_int3_src_rdy), .dst_rdy_i(rx_int3_dst_rdy), .occupied()); + + generate + if (USE_PACKET_PADDER) begin + packet_padder36 #(.BASE(SR_PADDER)) packet_padder_rx_data36( + .clk(clk), .reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .data_i(rx_int3_data), .src_rdy_i(rx_int3_src_rdy), .dst_rdy_o(rx_int3_dst_rdy), + .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy), + .always_flush(~dsp_rx_run)); + end + else begin + assign rx_data = rx_int3_data; + assign rx_src_rdy = rx_int3_src_rdy; + assign rx_int3_dst_rdy = rx_dst_rdy; + end + endgenerate + + /////////////////////////////////////////////////////////////////////////// + // MUX for TX async and resp data + /////////////////////////////////////////////////////////////////////////// + wire [35:0] tx_err_data, resp_data_int; + wire tx_err_src_rdy, resp_src_rdy_int; + wire tx_err_dst_rdy, resp_dst_rdy_int; + + fifo36_mux #(.prio(0)) // No priority, fair sharing + combine_async_and_resp ( + .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), + .data0_i(ctrl_out_data), .src0_rdy_i(ctrl_out_src_rdy), .dst0_rdy_o(ctrl_out_dst_rdy), + .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy), + .data_o(resp_data_int), .src_rdy_o(resp_src_rdy_int), .dst_rdy_i(resp_dst_rdy_int) + ); + + fifo_cascade #(.WIDTH(36), .SIZE(9)) resp_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(resp_data_int), .src_rdy_i(resp_src_rdy_int), .dst_rdy_o(resp_dst_rdy_int), .space(), + .dataout(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy), .occupied()); // /////////////////////////////////////////////////////////////////////////////////// // DSP TX - wire run_tx; wire [23:0] tx_fe_i, tx_fe_q; wire [31:0] sample_tx; wire strobe_tx, clear_tx; - vita_tx_chain #(.BASE(SR_TX_CTRL), .FIFOSIZE(10), .POST_ENGINE_FIFOSIZE(11), + vita_tx_chain #(.BASE(SR_TX_CTRL), + .FIFOSIZE(DSP_TX_FIFOSIZE), + .POST_ENGINE_FIFOSIZE(DSP_TX_XTRA_FIFOSIZE), .REPORT_ERROR(1), .DO_FLOW_CONTROL(0), .PROT_ENG_FLAGS(0), .USE_TRANS_HEADER(0), - .DSP_NUMBER(0)) + .DSP_NUMBER(0)) vita_tx_chain - (.clk(wb_clk), .reset(wb_rst), + (.clk(clk), .reset(reset), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), .vita_time(vita_time), .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy), .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy), .sample(sample_tx), .strobe(strobe_tx), - .underrun(tx_underrun_dsp), .run(run_tx), .clear_o(clear_tx), - .debug(debug_vt)); + .underrun(), .run(run_tx), .clear_o(clear_tx), + .debug()); duc_chain #(.BASE(SR_TX_DSP), .DSPNO(0)) duc_chain - (.clk(wb_clk), .rst(wb_rst), .clr(clear_tx), + (.clk(clk), .rst(reset), .clr(clear_tx), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), .tx_fe_i(tx_fe_i),.tx_fe_q(tx_fe_q), .sample(sample_tx), .run(run_tx), .strobe(strobe_tx), .debug() ); - tx_frontend #(.BASE(SR_TX_FRONT), .WIDTH_OUT(14)) tx_frontend - (.clk(wb_clk), .rst(wb_rst), + tx_frontend #(.BASE(SR_TX_FE), .WIDTH_OUT(14)) tx_frontend + (.clk(clk), .rst(reset), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .tx_i(tx_fe_i), .tx_q(tx_fe_q), .run(1'b1), .dac_a(tx_i), .dac_b(tx_q)); // ///////////////////////////////////////////////////////////////////////////////////// - // Wishbone Intercon, single master - wire [dw-1:0] s0_dat_mosi, s1_dat_mosi, s0_dat_miso, s1_dat_miso, s2_dat_mosi, s3_dat_mosi, s2_dat_miso, s3_dat_miso, - s4_dat_mosi, s5_dat_mosi, s4_dat_miso, s5_dat_miso, s6_dat_mosi, s7_dat_mosi, s6_dat_miso, s7_dat_miso, - s8_dat_mosi, s9_dat_mosi, s8_dat_miso, s9_dat_miso, sa_dat_mosi, sb_dat_mosi, sa_dat_miso, sb_dat_miso, - sc_dat_mosi, sd_dat_mosi, sc_dat_miso, sd_dat_miso, se_dat_mosi, sf_dat_mosi, se_dat_miso, sf_dat_miso; - wire [aw-1:0] s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr; - wire [aw-1:0] s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr, sf_adr; - wire [sw-1:0] s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel; - wire [sw-1:0] s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel, sf_sel; - wire s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack; - wire s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack, sf_ack; - wire s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb; - wire s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb, sf_stb; - wire s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc; - wire s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc, sf_cyc; - wire s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we; - wire s8_we,s9_we,sa_we,sb_we,sc_we,sd_we, se_we, sf_we; - - wb_1master #(.dw(dw), .aw(aw), .sw(sw), .decode_w(4), - .s0_addr(4'h0), .s0_mask(4'hF), // Misc Regs - .s1_addr(4'h1), .s1_mask(4'hF), // Unused - .s2_addr(4'h2), .s2_mask(4'hF), // SPI - .s3_addr(4'h3), .s3_mask(4'hF), // I2C - .s4_addr(4'h4), .s4_mask(4'hF), // Unused - .s5_addr(4'h5), .s5_mask(4'hF), // Unused on B1x0, Async Msg on E1x0 - .s6_addr(4'h6), .s6_mask(4'hF), // Unused - .s7_addr(4'h7), .s7_mask(4'hF), // Readback MUX - .s8_addr(4'h8), .s8_mask(4'h8), // Setting Regs -- slave 8 is 8 slaves wide - // slaves 9-f alias to slave 1, all are unused - .s9_addr(4'h1), .s9_mask(4'hF), - .sa_addr(4'h1), .sa_mask(4'hF), .sb_addr(4'h1), .sb_mask(4'hF), - .sc_addr(4'h1), .sc_mask(4'hF), .sd_addr(4'h1), .sd_mask(4'hF), - .se_addr(4'h1), .se_mask(4'hF), .sf_addr(4'h1), .sf_mask(4'hF)) - wb_1master - (.clk_i(wb_clk),.rst_i(wb_rst), - .m0_dat_o(m0_dat_miso),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_mosi), - .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb), - .s0_dat_o(s0_dat_mosi),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o(s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb), - .s0_dat_i(s0_dat_miso),.s0_ack_i(s0_ack),.s0_err_i(0),.s0_rty_i(0), - .s1_dat_o(s1_dat_mosi),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o(s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb), - .s1_dat_i(s1_dat_miso),.s1_ack_i(s1_ack),.s1_err_i(0),.s1_rty_i(0), - .s2_dat_o(s2_dat_mosi),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o(s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb), - .s2_dat_i(s2_dat_miso),.s2_ack_i(s2_ack),.s2_err_i(0),.s2_rty_i(0), - .s3_dat_o(s3_dat_mosi),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o(s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb), - .s3_dat_i(s3_dat_miso),.s3_ack_i(s3_ack),.s3_err_i(0),.s3_rty_i(0), - .s4_dat_o(s4_dat_mosi),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o(s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb), - .s4_dat_i(s4_dat_miso),.s4_ack_i(s4_ack),.s4_err_i(0),.s4_rty_i(0), - .s5_dat_o(s5_dat_mosi),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o(s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb), - .s5_dat_i(s5_dat_miso),.s5_ack_i(s5_ack),.s5_err_i(0),.s5_rty_i(0), - .s6_dat_o(s6_dat_mosi),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o(s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb), - .s6_dat_i(s6_dat_miso),.s6_ack_i(s6_ack),.s6_err_i(0),.s6_rty_i(0), - .s7_dat_o(s7_dat_mosi),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o(s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb), - .s7_dat_i(s7_dat_miso),.s7_ack_i(s7_ack),.s7_err_i(0),.s7_rty_i(0), - .s8_dat_o(s8_dat_mosi),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o(s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb), - .s8_dat_i(s8_dat_miso),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0), - .s9_dat_o(s9_dat_mosi),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o(s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb), - .s9_dat_i(s9_dat_miso),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0), - .sa_dat_o(sa_dat_mosi),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb), - .sa_dat_i(sa_dat_miso),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0), - .sb_dat_o(sb_dat_mosi),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb), - .sb_dat_i(sb_dat_miso),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0), - .sc_dat_o(sc_dat_mosi),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb), - .sc_dat_i(sc_dat_miso),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0), - .sd_dat_o(sd_dat_mosi),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb), - .sd_dat_i(sd_dat_miso),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0), - .se_dat_o(se_dat_mosi),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb), - .se_dat_i(se_dat_miso),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0), - .sf_dat_o(sf_dat_mosi),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb), - .sf_dat_i(sf_dat_miso),.sf_ack_i(sf_ack),.sf_err_i(0),.sf_rty_i(0) ); - - assign s1_ack = 0; assign s4_ack = 0; assign s5_ack = 0; assign s6_ack = 0; - assign s9_ack = 0; assign sa_ack = 0; assign sb_ack = 0; - assign sc_ack = 0; assign sd_ack = 0; assign se_ack = 0; assign sf_ack = 0; - - // ///////////////////////////////////////////////////////////////////////////////////// - // Slave 0, Misc LEDs, Switches, controls - - localparam REG_CGEN_CTRL = 7'd4; // out - localparam REG_CGEN_ST = 7'd6; // in - localparam REG_TEST = 7'd8; // out - localparam REG_RX_FRAMELEN = 7'd10; // in - localparam REG_TX_FRAMELEN = 7'd12; // out - - always @(posedge wb_clk) - if(wb_rst) - begin - reg_cgen_ctrl <= 2'b11; - reg_test <= 0; - frames_per_packet <= 0; - end - else - if(s0_cyc & s0_stb & s0_we) - case(s0_adr[6:0]) - REG_CGEN_CTRL : - reg_cgen_ctrl <= s0_dat_mosi; - REG_TEST : - reg_test <= s0_dat_mosi; - REG_RX_FRAMELEN : - frames_per_packet <= s0_dat_mosi[7:0]; - endcase // case (s0_adr[6:0]) - - assign debug_led = {run_tx, (run_rx0 | run_rx1), cgen_st_ld}; - assign { cgen_sync_b, cgen_ref_sel } = reg_cgen_ctrl; - - assign s0_dat_miso = (s0_adr[6:0] == REG_CGEN_CTRL) ? reg_cgen_ctrl : - (s0_adr[6:0] == REG_CGEN_ST) ? {13'b0,cgen_st_status,cgen_st_ld,cgen_st_refmon} : - (s0_adr[6:0] == REG_TEST) ? reg_test : - 16'hBEEF; - - assign s0_ack = s0_stb & s0_cyc; - - // ///////////////////////////////////////////////////////////////////////////////////// - // Slave 2, SPI - - spi_top16 shared_spi - (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr[4:0]),.wb_dat_i(s2_dat_mosi), - .wb_dat_o(s2_dat_miso),.wb_sel_i(s2_sel),.wb_we_i(s2_we),.wb_stb_i(s2_stb), - .wb_cyc_i(s2_cyc),.wb_ack_o(s2_ack),.wb_err_o(),.wb_int_o(), - .ss_pad_o(sen), .sclk_pad_o(sclk), .mosi_pad_o(mosi), .miso_pad_i(miso) ); - - // ///////////////////////////////////////////////////////////////////////// - // Slave 3, I2C - - wire scl_pad_i, scl_pad_o, scl_pad_oen_o, sda_pad_i, sda_pad_o, sda_pad_oen_o; - i2c_master_top #(.ARST_LVL(1)) i2c - (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0), - .wb_adr_i(s3_adr[3:1]),.wb_dat_i(s3_dat_mosi[7:0]),.wb_dat_o(s3_dat_miso[7:0]), - .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc), - .wb_ack_o(s3_ack),.wb_inta_o(), - .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), - .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); - - assign s3_dat_miso[15:8] = 8'd0; - - // I2C -- Don't use external transistors for open drain, the FPGA implements this - IOBUF scl_pin(.O(scl_pad_i), .IO(db_scl), .I(scl_pad_o), .T(scl_pad_oen_o)); - IOBUF sda_pin(.O(sda_pad_i), .IO(db_sda), .I(sda_pad_o), .T(sda_pad_oen_o)); - - // ///////////////////////////////////////////////////////////////////////// - // GPIOs - - wire [31:0] gpio_readback; - - gpio_atr #(.BASE(SR_GPIO), .WIDTH(32)) - gpio_atr(.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .rx(run_rx0 | run_rx1), .tx(run_tx), - .gpio({io_tx,io_rx}), .gpio_readback(gpio_readback) ); - - // ///////////////////////////////////////////////////////////////////////// - // Settings Bus -- Slave #8 + 9 - - // only have 64 regs, 32 bits each with current setup... - settings_bus_16LE #(.AWIDTH(11),.RWIDTH(8)) settings_bus_16LE - (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s8_adr),.wb_dat_i(s8_dat_mosi), - .wb_stb_i(s8_stb),.wb_we_i(s8_we),.wb_ack_o(s8_ack), - .strobe(set_stb),.addr(set_addr),.data(set_data) ); - - user_settings #(.BASE(SR_USER_REGS)) user_settings - (.clk(wb_clk),.rst(wb_rst),.set_stb(set_stb), - .set_addr(set_addr),.set_data(set_data), - .set_addr_user(set_addr_user),.set_data_user(set_data_user), - .set_stb_user(set_stb_user) ); - - // ///////////////////////////////////////////////////////////////////////// - // Readback mux 32 -- Slave #7 - - //compatibility number -> increment when the fpga has been sufficiently altered - localparam compat_num = {16'd10, 16'd0}; //major, minor - - wire [31:0] reg_test32; - - setting_reg #(.my_addr(SR_REG_TEST32)) sr_reg_test32 - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(reg_test32),.changed()); - - wb_readback_mux_16LE readback_mux_32 - (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s7_stb), - .wb_adr_i({5'b0,s7_adr}), .wb_dat_o(s7_dat_miso), .wb_ack_o(s7_ack), - - .word00(vita_time[63:32]), .word01(vita_time[31:0]), - .word02(vita_time_pps[63:32]), .word03(vita_time_pps[31:0]), - .word04(reg_test32), .word05(32'b0), - .word06(compat_num), .word07(gpio_readback), - .word08(32'b0), .word09(32'b0), - .word10(32'b0), .word11(32'b0), - .word12(32'b0), .word13(32'b0), - .word14(32'b0), .word15(32'b0) - ); - - // ///////////////////////////////////////////////////////////////////////// - // VITA Timing - - time_64bit #(.BASE(SR_TIME64)) time_64bit - (.clk(wb_clk), .rst(wb_rst), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), .pps_int(pps_int), - .exp_time_in(0)); - - // ///////////////////////////////////////////////////////////////////////////////////// // Debug circuitry - assign debug_clk = 2'b00; // { gpif_clk, clk_fpga }; - assign debug = 0; - + assign debug_clk = 2'b11; + assign debug = 32'hffffffff; + endmodule // u1plus_core |