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riffa/fpga/riffa_hdl/channel.v

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// ----------------------------------------------------------------------
// Copyright (c) 2015, The Regents of the University of California All
// rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// * Neither the name of The Regents of the University of California
// nor the names of its contributors may be used to endorse or
// promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL REGENTS OF THE
// UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
// TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
// ----------------------------------------------------------------------
`include "riffa.vh"
module channel
#(
parameter C_DATA_WIDTH = 128,
parameter C_MAX_READ_REQ = 2, // Max read: 000=128B, 001=256B, 010=512B, 011=1024B, 100=2048B, 101=4096B
parameter C_DATA_WORD_WIDTH = clog2((C_DATA_WIDTH/32)+1)
)
(
input CLK,
input RST,
input [2:0] CONFIG_MAX_READ_REQUEST_SIZE, // Maximum read payload: 000=128B, 001=256B, 010=512B, 011=1024B, 100=2048B, 101=4096B
input [2:0] CONFIG_MAX_PAYLOAD_SIZE, // Maximum write payload: 000=128B, 001=256B, 010=512B, 011=1024B
input [31:0] PIO_DATA, // Single word programmed I/O data
input [C_DATA_WIDTH-1:0] ENG_DATA, // Main incoming data
output SG_RX_BUF_RECVD, // Scatter gather RX buffer completely read (ready for next if applicable)
input SG_RX_BUF_LEN_VALID, // Scatter gather RX buffer length valid
input SG_RX_BUF_ADDR_HI_VALID, // Scatter gather RX buffer high address valid
input SG_RX_BUF_ADDR_LO_VALID, // Scatter gather RX buffer low address valid
output SG_TX_BUF_RECVD, // Scatter gather TX buffer completely read (ready for next if applicable)
input SG_TX_BUF_LEN_VALID, // Scatter gather TX buffer length valid
input SG_TX_BUF_ADDR_HI_VALID, // Scatter gather TX buffer high address valid
input SG_TX_BUF_ADDR_LO_VALID, // Scatter gather TX buffer low address valid
input TXN_RX_LEN_VALID, // Read transaction length valid
input TXN_RX_OFF_LAST_VALID, // Read transaction offset/last valid
output [31:0] TXN_RX_DONE_LEN, // Read transaction actual transfer length
output TXN_RX_DONE, // Read transaction done
input TXN_RX_DONE_ACK, // Read transaction actual transfer length read
output TXN_TX, // Write transaction notification
input TXN_TX_ACK, // Write transaction acknowledged
output [31:0] TXN_TX_LEN, // Write transaction length
output [31:0] TXN_TX_OFF_LAST, // Write transaction offset/last
output [31:0] TXN_TX_DONE_LEN, // Write transaction actual transfer length
output TXN_TX_DONE, // Write transaction done
input TXN_TX_DONE_ACK, // Write transaction actual transfer length read
output RX_REQ, // Read request
input RX_REQ_ACK, // Read request accepted
output [1:0] RX_REQ_TAG, // Read request data tag
output [63:0] RX_REQ_ADDR, // Read request address
output [9:0] RX_REQ_LEN, // Read request length
output TX_REQ, // Outgoing write request
input TX_REQ_ACK, // Outgoing write request acknowledged
output [63:0] TX_ADDR, // Outgoing write high address
output [9:0] TX_LEN, // Outgoing write length (in 32 bit words)
output [C_DATA_WIDTH-1:0] TX_DATA, // Outgoing write data
input TX_DATA_REN, // Outgoing write data read enable
input TX_SENT, // Outgoing write complete
input [C_DATA_WORD_WIDTH-1:0] MAIN_DATA_EN, // Main incoming data enable
input MAIN_DONE, // Main incoming data complete
input MAIN_ERR, // Main incoming data completed with error
input [C_DATA_WORD_WIDTH-1:0] SG_RX_DATA_EN, // Scatter gather for RX incoming data enable
input SG_RX_DONE, // Scatter gather for RX incoming data complete
input SG_RX_ERR, // Scatter gather for RX incoming data completed with error
input [C_DATA_WORD_WIDTH-1:0] SG_TX_DATA_EN, // Scatter gather for TX incoming data enable
input SG_TX_DONE, // Scatter gather for TX incoming data complete
input SG_TX_ERR, // Scatter gather for TX incoming data completed with error
input CHNL_RX_CLK, // Channel read clock
output CHNL_RX, // Channel read receive signal
input CHNL_RX_ACK, // Channle read received signal
output CHNL_RX_LAST, // Channel last read
output [31:0] CHNL_RX_LEN, // Channel read length
output [30:0] CHNL_RX_OFF, // Channel read offset
output [C_DATA_WIDTH-1:0] CHNL_RX_DATA, // Channel read data
output CHNL_RX_DATA_VALID, // Channel read data valid
input CHNL_RX_DATA_REN, // Channel read data has been recieved
input CHNL_TX_CLK, // Channel write clock
input CHNL_TX, // Channel write receive signal
output CHNL_TX_ACK, // Channel write acknowledgement signal
input CHNL_TX_LAST, // Channel last write
input [31:0] CHNL_TX_LEN, // Channel write length (in 32 bit words)
input [30:0] CHNL_TX_OFF, // Channel write offset
input [C_DATA_WIDTH-1:0] CHNL_TX_DATA, // Channel write data
input CHNL_TX_DATA_VALID, // Channel write data valid
output CHNL_TX_DATA_REN // Channel write data has been recieved
);
generate
if(C_DATA_WIDTH == 32) begin
channel_32
#(
.C_DATA_WIDTH(C_DATA_WIDTH),
.C_MAX_READ_REQ(C_MAX_READ_REQ)
)
channel
(/*AUTOINST*/
// Outputs
.SG_RX_BUF_RECVD (SG_RX_BUF_RECVD),
.SG_TX_BUF_RECVD (SG_TX_BUF_RECVD),
.TXN_RX_DONE_LEN (TXN_RX_DONE_LEN[31:0]),
.TXN_RX_DONE (TXN_RX_DONE),
.TXN_TX (TXN_TX),
.TXN_TX_LEN (TXN_TX_LEN[31:0]),
.TXN_TX_OFF_LAST (TXN_TX_OFF_LAST[31:0]),
.TXN_TX_DONE_LEN (TXN_TX_DONE_LEN[31:0]),
.TXN_TX_DONE (TXN_TX_DONE),
.RX_REQ (RX_REQ),
.RX_REQ_TAG (RX_REQ_TAG[1:0]),
.RX_REQ_ADDR (RX_REQ_ADDR[63:0]),
.RX_REQ_LEN (RX_REQ_LEN[9:0]),
.TX_REQ (TX_REQ),
.TX_ADDR (TX_ADDR[63:0]),
.TX_LEN (TX_LEN[9:0]),
.TX_DATA (TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX (CHNL_RX),
.CHNL_RX_LAST (CHNL_RX_LAST),
.CHNL_RX_LEN (CHNL_RX_LEN[31:0]),
.CHNL_RX_OFF (CHNL_RX_OFF[30:0]),
.CHNL_RX_DATA (CHNL_RX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX_DATA_VALID (CHNL_RX_DATA_VALID),
.CHNL_TX_ACK (CHNL_TX_ACK),
.CHNL_TX_DATA_REN (CHNL_TX_DATA_REN),
// Inputs
.CLK (CLK),
.RST (RST),
.CONFIG_MAX_READ_REQUEST_SIZE(CONFIG_MAX_READ_REQUEST_SIZE[2:0]),
.CONFIG_MAX_PAYLOAD_SIZE (CONFIG_MAX_PAYLOAD_SIZE[2:0]),
.PIO_DATA (PIO_DATA[31:0]),
.ENG_DATA (ENG_DATA[C_DATA_WIDTH-1:0]),
.SG_RX_BUF_LEN_VALID (SG_RX_BUF_LEN_VALID),
.SG_RX_BUF_ADDR_HI_VALID (SG_RX_BUF_ADDR_HI_VALID),
.SG_RX_BUF_ADDR_LO_VALID (SG_RX_BUF_ADDR_LO_VALID),
.SG_TX_BUF_LEN_VALID (SG_TX_BUF_LEN_VALID),
.SG_TX_BUF_ADDR_HI_VALID (SG_TX_BUF_ADDR_HI_VALID),
.SG_TX_BUF_ADDR_LO_VALID (SG_TX_BUF_ADDR_LO_VALID),
.TXN_RX_LEN_VALID (TXN_RX_LEN_VALID),
.TXN_RX_OFF_LAST_VALID (TXN_RX_OFF_LAST_VALID),
.TXN_RX_DONE_ACK (TXN_RX_DONE_ACK),
.TXN_TX_ACK (TXN_TX_ACK),
.TXN_TX_DONE_ACK (TXN_TX_DONE_ACK),
.RX_REQ_ACK (RX_REQ_ACK),
.TX_REQ_ACK (TX_REQ_ACK),
.TX_DATA_REN (TX_DATA_REN),
.TX_SENT (TX_SENT),
.MAIN_DATA_EN (MAIN_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.MAIN_DONE (MAIN_DONE),
.MAIN_ERR (MAIN_ERR),
.SG_RX_DATA_EN (SG_RX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_RX_DONE (SG_RX_DONE),
.SG_RX_ERR (SG_RX_ERR),
.SG_TX_DATA_EN (SG_TX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_TX_DONE (SG_TX_DONE),
.SG_TX_ERR (SG_TX_ERR),
.CHNL_RX_CLK (CHNL_RX_CLK),
.CHNL_RX_ACK (CHNL_RX_ACK),
.CHNL_RX_DATA_REN (CHNL_RX_DATA_REN),
.CHNL_TX_CLK (CHNL_TX_CLK),
.CHNL_TX (CHNL_TX),
.CHNL_TX_LAST (CHNL_TX_LAST),
.CHNL_TX_LEN (CHNL_TX_LEN[31:0]),
.CHNL_TX_OFF (CHNL_TX_OFF[30:0]),
.CHNL_TX_DATA (CHNL_TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_TX_DATA_VALID (CHNL_TX_DATA_VALID));
end else if(C_DATA_WIDTH == 64) begin
channel_64
#(
.C_DATA_WIDTH(C_DATA_WIDTH),
.C_MAX_READ_REQ(C_MAX_READ_REQ)
)
channel
(/*AUTOINST*/
// Outputs
.SG_RX_BUF_RECVD (SG_RX_BUF_RECVD),
.SG_TX_BUF_RECVD (SG_TX_BUF_RECVD),
.TXN_RX_DONE_LEN (TXN_RX_DONE_LEN[31:0]),
.TXN_RX_DONE (TXN_RX_DONE),
.TXN_TX (TXN_TX),
.TXN_TX_LEN (TXN_TX_LEN[31:0]),
.TXN_TX_OFF_LAST (TXN_TX_OFF_LAST[31:0]),
.TXN_TX_DONE_LEN (TXN_TX_DONE_LEN[31:0]),
.TXN_TX_DONE (TXN_TX_DONE),
.RX_REQ (RX_REQ),
.RX_REQ_TAG (RX_REQ_TAG[1:0]),
.RX_REQ_ADDR (RX_REQ_ADDR[63:0]),
.RX_REQ_LEN (RX_REQ_LEN[9:0]),
.TX_REQ (TX_REQ),
.TX_ADDR (TX_ADDR[63:0]),
.TX_LEN (TX_LEN[9:0]),
.TX_DATA (TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX (CHNL_RX),
.CHNL_RX_LAST (CHNL_RX_LAST),
.CHNL_RX_LEN (CHNL_RX_LEN[31:0]),
.CHNL_RX_OFF (CHNL_RX_OFF[30:0]),
.CHNL_RX_DATA (CHNL_RX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX_DATA_VALID (CHNL_RX_DATA_VALID),
.CHNL_TX_ACK (CHNL_TX_ACK),
.CHNL_TX_DATA_REN (CHNL_TX_DATA_REN),
// Inputs
.CLK (CLK),
.RST (RST),
.CONFIG_MAX_READ_REQUEST_SIZE(CONFIG_MAX_READ_REQUEST_SIZE[2:0]),
.CONFIG_MAX_PAYLOAD_SIZE (CONFIG_MAX_PAYLOAD_SIZE[2:0]),
.PIO_DATA (PIO_DATA[31:0]),
.ENG_DATA (ENG_DATA[C_DATA_WIDTH-1:0]),
.SG_RX_BUF_LEN_VALID (SG_RX_BUF_LEN_VALID),
.SG_RX_BUF_ADDR_HI_VALID (SG_RX_BUF_ADDR_HI_VALID),
.SG_RX_BUF_ADDR_LO_VALID (SG_RX_BUF_ADDR_LO_VALID),
.SG_TX_BUF_LEN_VALID (SG_TX_BUF_LEN_VALID),
.SG_TX_BUF_ADDR_HI_VALID (SG_TX_BUF_ADDR_HI_VALID),
.SG_TX_BUF_ADDR_LO_VALID (SG_TX_BUF_ADDR_LO_VALID),
.TXN_RX_LEN_VALID (TXN_RX_LEN_VALID),
.TXN_RX_OFF_LAST_VALID (TXN_RX_OFF_LAST_VALID),
.TXN_RX_DONE_ACK (TXN_RX_DONE_ACK),
.TXN_TX_ACK (TXN_TX_ACK),
.TXN_TX_DONE_ACK (TXN_TX_DONE_ACK),
.RX_REQ_ACK (RX_REQ_ACK),
.TX_REQ_ACK (TX_REQ_ACK),
.TX_DATA_REN (TX_DATA_REN),
.TX_SENT (TX_SENT),
.MAIN_DATA_EN (MAIN_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.MAIN_DONE (MAIN_DONE),
.MAIN_ERR (MAIN_ERR),
.SG_RX_DATA_EN (SG_RX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_RX_DONE (SG_RX_DONE),
.SG_RX_ERR (SG_RX_ERR),
.SG_TX_DATA_EN (SG_TX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_TX_DONE (SG_TX_DONE),
.SG_TX_ERR (SG_TX_ERR),
.CHNL_RX_CLK (CHNL_RX_CLK),
.CHNL_RX_ACK (CHNL_RX_ACK),
.CHNL_RX_DATA_REN (CHNL_RX_DATA_REN),
.CHNL_TX_CLK (CHNL_TX_CLK),
.CHNL_TX (CHNL_TX),
.CHNL_TX_LAST (CHNL_TX_LAST),
.CHNL_TX_LEN (CHNL_TX_LEN[31:0]),
.CHNL_TX_OFF (CHNL_TX_OFF[30:0]),
.CHNL_TX_DATA (CHNL_TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_TX_DATA_VALID (CHNL_TX_DATA_VALID));
end else if(C_DATA_WIDTH == 128) begin
channel_128
#(
.C_DATA_WIDTH(C_DATA_WIDTH),
.C_MAX_READ_REQ(C_MAX_READ_REQ)
)
channel
(/*AUTOINST*/
// Outputs
.SG_RX_BUF_RECVD (SG_RX_BUF_RECVD),
.SG_TX_BUF_RECVD (SG_TX_BUF_RECVD),
.TXN_RX_DONE_LEN (TXN_RX_DONE_LEN[31:0]),
.TXN_RX_DONE (TXN_RX_DONE),
.TXN_TX (TXN_TX),
.TXN_TX_LEN (TXN_TX_LEN[31:0]),
.TXN_TX_OFF_LAST (TXN_TX_OFF_LAST[31:0]),
.TXN_TX_DONE_LEN (TXN_TX_DONE_LEN[31:0]),
.TXN_TX_DONE (TXN_TX_DONE),
.RX_REQ (RX_REQ),
.RX_REQ_TAG (RX_REQ_TAG[1:0]),
.RX_REQ_ADDR (RX_REQ_ADDR[63:0]),
.RX_REQ_LEN (RX_REQ_LEN[9:0]),
.TX_REQ (TX_REQ),
.TX_ADDR (TX_ADDR[63:0]),
.TX_LEN (TX_LEN[9:0]),
.TX_DATA (TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX (CHNL_RX),
.CHNL_RX_LAST (CHNL_RX_LAST),
.CHNL_RX_LEN (CHNL_RX_LEN[31:0]),
.CHNL_RX_OFF (CHNL_RX_OFF[30:0]),
.CHNL_RX_DATA (CHNL_RX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_RX_DATA_VALID (CHNL_RX_DATA_VALID),
.CHNL_TX_ACK (CHNL_TX_ACK),
.CHNL_TX_DATA_REN (CHNL_TX_DATA_REN),
// Inputs
.CLK (CLK),
.RST (RST),
.CONFIG_MAX_READ_REQUEST_SIZE(CONFIG_MAX_READ_REQUEST_SIZE[2:0]),
.CONFIG_MAX_PAYLOAD_SIZE (CONFIG_MAX_PAYLOAD_SIZE[2:0]),
.PIO_DATA (PIO_DATA[31:0]),
.ENG_DATA (ENG_DATA[C_DATA_WIDTH-1:0]),
.SG_RX_BUF_LEN_VALID (SG_RX_BUF_LEN_VALID),
.SG_RX_BUF_ADDR_HI_VALID (SG_RX_BUF_ADDR_HI_VALID),
.SG_RX_BUF_ADDR_LO_VALID (SG_RX_BUF_ADDR_LO_VALID),
.SG_TX_BUF_LEN_VALID (SG_TX_BUF_LEN_VALID),
.SG_TX_BUF_ADDR_HI_VALID (SG_TX_BUF_ADDR_HI_VALID),
.SG_TX_BUF_ADDR_LO_VALID (SG_TX_BUF_ADDR_LO_VALID),
.TXN_RX_LEN_VALID (TXN_RX_LEN_VALID),
.TXN_RX_OFF_LAST_VALID (TXN_RX_OFF_LAST_VALID),
.TXN_RX_DONE_ACK (TXN_RX_DONE_ACK),
.TXN_TX_ACK (TXN_TX_ACK),
.TXN_TX_DONE_ACK (TXN_TX_DONE_ACK),
.RX_REQ_ACK (RX_REQ_ACK),
.TX_REQ_ACK (TX_REQ_ACK),
.TX_DATA_REN (TX_DATA_REN),
.TX_SENT (TX_SENT),
.MAIN_DATA_EN (MAIN_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.MAIN_DONE (MAIN_DONE),
.MAIN_ERR (MAIN_ERR),
.SG_RX_DATA_EN (SG_RX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_RX_DONE (SG_RX_DONE),
.SG_RX_ERR (SG_RX_ERR),
.SG_TX_DATA_EN (SG_TX_DATA_EN[C_DATA_WORD_WIDTH-1:0]),
.SG_TX_DONE (SG_TX_DONE),
.SG_TX_ERR (SG_TX_ERR),
.CHNL_RX_CLK (CHNL_RX_CLK),
.CHNL_RX_ACK (CHNL_RX_ACK),
.CHNL_RX_DATA_REN (CHNL_RX_DATA_REN),
.CHNL_TX_CLK (CHNL_TX_CLK),
.CHNL_TX (CHNL_TX),
.CHNL_TX_LAST (CHNL_TX_LAST),
.CHNL_TX_LEN (CHNL_TX_LEN[31:0]),
.CHNL_TX_OFF (CHNL_TX_OFF[30:0]),
.CHNL_TX_DATA (CHNL_TX_DATA[C_DATA_WIDTH-1:0]),
.CHNL_TX_DATA_VALID (CHNL_TX_DATA_VALID));
end
endgenerate
endmodule
// Local Variables:
// verilog-library-directories:("." "import")
// End:
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