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oh/elink/hdl/etx.v
Andreas Olofsson 379099da9c Filtering register write transactions
-They were going out on the elink (not safe)
2015-11-25 21:56:56 -05:00

219 lines
8.1 KiB
Verilog

module etx(/*AUTOARG*/
// Outputs
tx_active, txo_lclk_p, txo_lclk_n, txo_frame_p, txo_frame_n,
txo_data_p, txo_data_n, cclk_p, cclk_n, chip_nreset, txrd_wait,
txwr_wait, txrr_wait, etx_cfg_access, etx_cfg_packet, etx_nreset,
tx_lclk_div4,
// Inputs
sys_clk, sys_nreset, soft_reset, txi_wr_wait_p, txi_wr_wait_n,
txi_rd_wait_p, txi_rd_wait_n, txrd_access, txrd_packet,
txwr_access, txwr_packet, txrr_access, txrr_packet, etx_cfg_wait
);
parameter AW = 32;
parameter DW = 32;
parameter PW = 104;
parameter RFAW = 6;
parameter ID = 12'h000;
parameter ETYPE = 0;
//Reset and clocks
input sys_clk; // clock for fifos
input sys_nreset; // reset for fifos
input soft_reset; // software controlled reset
output tx_active; // tx ready to transmit
//Transmit signals for IO
output txo_lclk_p, txo_lclk_n; // tx clock output
output txo_frame_p, txo_frame_n; // tx frame signal
output [7:0] txo_data_p, txo_data_n; // tx data (dual data rate)
input txi_wr_wait_p,txi_wr_wait_n; // tx async write pushback
input txi_rd_wait_p, txi_rd_wait_n; // tx async read pushback
//Epiphany Chip Signals
output cclk_p,cclk_n;
output chip_nreset;
//Read Request Channel Input
input txrd_access;
input [PW-1:0] txrd_packet;
output txrd_wait;
//Write Channel Input
input txwr_access;
input [PW-1:0] txwr_packet;
output txwr_wait;
//Read Response Channel Input
input txrr_access;
input [PW-1:0] txrr_packet;
output txrr_wait;
//Configuration Interface (for ERX)
output etx_cfg_access;
output [PW-1:0] etx_cfg_packet;
output etx_nreset;
output tx_lclk_div4;
input etx_cfg_wait;
/*AUTOOUTPUT*/
/*AUTOINPUT*/
/*AUTOWIRE*/
// Beginning of automatic wires (for undeclared instantiated-module outputs)
wire [63:0] tx_data_slow; // From etx_core of etx_core.v
wire [3:0] tx_frame_slow; // From etx_core of etx_core.v
wire tx_lclk90; // From etx_clocks of etx_clocks.v
wire tx_lclk_io; // From etx_clocks of etx_clocks.v
// End of automatics
// Beginning of automatic wires (for undeclared instantiated-module outputs)
wire tx_access; // From etx_core of etx_core.v
wire tx_burst; // From etx_core of etx_core.v
wire [PW-1:0] tx_packet; // From etx_core of etx_core.v
wire tx_rd_wait; // From etx_io of etx_io.v
wire tx_wr_wait; // From etx_io of etx_io.v
wire txrd_fifo_access; // From etx_fifo of etx_fifo.v
wire [PW-1:0] txrd_fifo_packet; // From etx_fifo of etx_fifo.v
wire txrd_fifo_wait; // From etx_core of etx_core.v
wire txrr_fifo_access; // From etx_fifo of etx_fifo.v
wire [PW-1:0] txrr_fifo_packet; // From etx_fifo of etx_fifo.v
wire txrr_fifo_wait; // From etx_core of etx_core.v
wire txwr_fifo_access; // From etx_fifo of etx_fifo.v
wire [PW-1:0] txwr_fifo_packet; // From etx_fifo of etx_fifo.v
wire txwr_fifo_wait; // From etx_core of etx_core.v
wire etx_io_nreset;
/************************************************************/
/*Clocks */
/************************************************************/
etx_clocks etx_clocks (.etx_io_nreset (),
/*AUTOINST*/
// Outputs
.tx_lclk_io (tx_lclk_io),
.tx_lclk90 (tx_lclk90),
.tx_lclk_div4 (tx_lclk_div4),
.cclk_p (cclk_p),
.cclk_n (cclk_n),
.etx_nreset (etx_nreset),
.chip_nreset (chip_nreset),
.tx_active (tx_active),
// Inputs
.sys_nreset (sys_nreset),
.soft_reset (soft_reset),
.sys_clk (sys_clk));
/************************************************************/
/*FIFOs */
/************************************************************/
etx_fifo etx_fifo (/*AUTOINST*/
// Outputs
.txrd_wait (txrd_wait),
.txwr_wait (txwr_wait),
.txrr_wait (txrr_wait),
.txrd_fifo_access (txrd_fifo_access),
.txrd_fifo_packet (txrd_fifo_packet[PW-1:0]),
.txrr_fifo_access (txrr_fifo_access),
.txrr_fifo_packet (txrr_fifo_packet[PW-1:0]),
.txwr_fifo_access (txwr_fifo_access),
.txwr_fifo_packet (txwr_fifo_packet[PW-1:0]),
// Inputs
.sys_nreset (sys_nreset),
.sys_clk (sys_clk),
.tx_lclk_div4 (tx_lclk_div4),
.txrd_access (txrd_access),
.txrd_packet (txrd_packet[PW-1:0]),
.txwr_access (txwr_access),
.txwr_packet (txwr_packet[PW-1:0]),
.txrr_access (txrr_access),
.txrr_packet (txrr_packet[PW-1:0]),
.txrd_fifo_wait (txrd_fifo_wait),
.txrr_fifo_wait (txrr_fifo_wait),
.txwr_fifo_wait (txwr_fifo_wait));
/***********************************************************/
/*ELINK CORE LOGIC */
/***********************************************************/
/*etx_core AUTO_TEMPLATE ( .tx_access (tx_access),
.tx_burst (tx_burst),
.tx_io_ack (tx_io_ack),
.tx_rd_wait (tx_rd_wait),
.tx_wr_wait (tx_wr_wait),
.tx_packet (tx_packet[PW-1:0]),
.etx_cfg_access (etx_cfg_access),
.etx_cfg_packet (etx_cfg_packet[PW-1:0]),
.etx_cfg_wait (etx_cfg_wait),
.\(.*\)_full (\1_wait),
.\(.*\)_packet (\1_fifo_packet[PW-1:0]),
.\(.*\)_access (\1_fifo_access),
.\(.*\)_wait (\1_fifo_wait),
);
*/
defparam etx_core.ID=ID;
etx_core etx_core (.clk (tx_lclk_div4),
.nreset (etx_nreset),
/*AUTOINST*/
// Outputs
.tx_data_slow (tx_data_slow[63:0]),
.tx_frame_slow (tx_frame_slow[3:0]),
.txrd_wait (txrd_fifo_wait), // Templated
.txrr_wait (txrr_fifo_wait), // Templated
.txwr_wait (txwr_fifo_wait), // Templated
.etx_cfg_access (etx_cfg_access), // Templated
.etx_cfg_packet (etx_cfg_packet[PW-1:0]), // Templated
// Inputs
.tx_rd_wait (tx_rd_wait), // Templated
.tx_wr_wait (tx_wr_wait), // Templated
.txrd_access (txrd_fifo_access), // Templated
.txrd_packet (txrd_fifo_packet[PW-1:0]), // Templated
.txrd_full (txrd_wait), // Templated
.txrr_access (txrr_fifo_access), // Templated
.txrr_packet (txrr_fifo_packet[PW-1:0]), // Templated
.txrr_full (txrr_wait), // Templated
.txwr_access (txwr_fifo_access), // Templated
.txwr_packet (txwr_fifo_packet[PW-1:0]), // Templated
.txwr_full (txwr_wait), // Templated
.etx_cfg_wait (etx_cfg_wait)); // Templated
/***********************************************************/
/*TRANSMIT I/O LOGIC */
/***********************************************************/
/*etx_io AUTO_TEMPLATE (
.nreset (etx_io_nreset),
);
*/
etx_io #(.ETYPE(ETYPE))
etx_io (
/*AUTOINST*/
// Outputs
.txo_lclk_p (txo_lclk_p),
.txo_lclk_n (txo_lclk_n),
.txo_frame_p (txo_frame_p),
.txo_frame_n (txo_frame_n),
.txo_data_p (txo_data_p[7:0]),
.txo_data_n (txo_data_n[7:0]),
.tx_wr_wait (tx_wr_wait),
.tx_rd_wait (tx_rd_wait),
// Inputs
.tx_lclk_io (tx_lclk_io),
.tx_lclk_div4 (tx_lclk_div4),
.tx_lclk90 (tx_lclk90),
.txi_wr_wait_p (txi_wr_wait_p),
.txi_wr_wait_n (txi_wr_wait_n),
.txi_rd_wait_p (txi_rd_wait_p),
.txi_rd_wait_n (txi_rd_wait_n),
.tx_data_slow (tx_data_slow[63:0]),
.tx_frame_slow (tx_frame_slow[3:0]));
endmodule // elink
// Local Variables:
// verilog-library-directories:("." "../../emmu/hdl" "../../memory/hdl" "../../edma/hdl/")
// End: