Skip to content

G
gtxe2_gpl
Commit 886f1771 authored by Alexey Grebenkin's avatar Alexey Grebenkin
Browse files
Options

initial v0.1 files

parent 10d25413
Show whitespace changes
Inline Side-by-side
Showing with 4207 additions and 0 deletions
gtxe2_channel/GTXE2_CHANNEL.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl.v"
module GTXE2_CHANNEL(
//------------------------------- CPLL Ports -------------------------------
output CPLLFBCLKLOST , //(cpllfbclklost_out),
output CPLLLOCK , //(cplllock_out),
input CPLLLOCKDETCLK , //(cplllockdetclk_in),
input CPLLLOCKEN , //(tied_to_vcc_i),
input CPLLPD , //(cpll_pd_i),
output CPLLREFCLKLOST , //(cpllrefclklost_out),
input [2:0] CPLLREFCLKSEL , //(3'b001),
input CPLLRESET , //(cpll_reset_i),
input [15:0] GTRSVD , //(16'b0000000000000000),
input [15:0] PCSRSVDIN , //(16'b0000000000000000),
input [4:0] PCSRSVDIN2 , //(5'b00000),
input [4:0] PMARSVDIN , //(5'b00000),
input [4:0] PMARSVDIN2 , //(5'b00000),
input [19:0] TSTIN , //(20'b11111111111111111111),
output [9:0] TSTOUT , //(),
//-------------------------------- Channel ---------------------------------
input [3:0] CLKRSVD , //(4'b0000),
//------------------------ Channel - Clocking Ports ------------------------
input GTGREFCLK , //(tied_to_ground_i),
input GTNORTHREFCLK0 , //(tied_to_ground_i),
input GTNORTHREFCLK1 , //(tied_to_ground_i),
input GTREFCLK0 , //(gtrefclk0_in),
input GTREFCLK1 , //(tied_to_ground_i),
input GTSOUTHREFCLK0 , //(tied_to_ground_i),
input GTSOUTHREFCLK1 , //(tied_to_ground_i),
//-------------------------- Channel - DRP Ports --------------------------
input [8:0] DRPADDR , //(drpaddr_in),
input DRPCLK , //(drpclk_in),
input [15:0] DRPDI , //(drpdi_in),
output [15:0] DRPDO , //(drpdo_out),
input DRPEN , //(drpen_in),
output DRPRDY , //(drprdy_out),
input DRPWE , //(drpwe_in),
//----------------------------- Clocking Ports -----------------------------
output GTREFCLKMONITOR , //(),
input QPLLCLK , //(qpllclk_in),
input QPLLREFCLK , //(qpllrefclk_in),
input [1:0] RXSYSCLKSEL , //(2'b00),
input [1:0] TXSYSCLKSEL , //(2'b00),
//------------------------- Digital Monitor Ports --------------------------
output [7:0] DMONITOROUT , //(dmonitorout_out),
//--------------- FPGA TX Interface Datapath Configuration ----------------
input TX8B10BEN , //(tied_to_vcc_i),
//----------------------------- Loopback Ports -----------------------------
input [2:0] LOOPBACK , //(tied_to_ground_vec_i[2:0]),
//--------------------------- PCI Express Ports ----------------------------
output PHYSTATUS , //(),
input [2:0] RXRATE , //(tied_to_ground_vec_i[2:0]),
output RXVALID , //(),
//---------------------------- Power-Down Ports ----------------------------
input [1:0] RXPD , //(2'b00),
input [1:0] TXPD , //(2'b00),
//------------------------ RX 8B/10B Decoder Ports -------------------------
input SETERRSTATUS , //(tied_to_ground_i),
//------------------- RX Initialization and Reset Ports --------------------
input EYESCANRESET , //(eyescanreset_in),
input RXUSERRDY , //(rxuserrdy_in),
//------------------------ RX Margin Analysis Ports ------------------------
output EYESCANDATAERROR , //(eyescandataerror_out),
input EYESCANMODE , //(tied_to_ground_i),
input EYESCANTRIGGER , //(eyescantrigger_in),
//----------------------- Receive Ports - CDR Ports ------------------------
input RXCDRFREQRESET , //(tied_to_ground_i),
input RXCDRHOLD , //(tied_to_ground_i),
output RXCDRLOCK , //(),
input RXCDROVRDEN , //(tied_to_ground_i),
input RXCDRRESET , //(tied_to_ground_i),
input RXCDRRESETRSV , //(tied_to_ground_i),
//----------------- Receive Ports - Clock Correction Ports -----------------
output [1:0] RXCLKCORCNT , //(),
//-------- Receive Ports - FPGA RX Interface Datapath Configuration --------
input RX8B10BEN , //(tied_to_vcc_i),
//---------------- Receive Ports - FPGA RX Interface Ports -----------------
input RXUSRCLK , //(rxusrclk_in),
input RXUSRCLK2 , //(rxusrclk2_in),
//---------------- Receive Ports - FPGA RX interface Ports -----------------
output [63:0] RXDATA , //(rxdata_i),
//----------------- Receive Ports - Pattern Checker Ports ------------------
output RXPRBSERR , //(),
input [2:0] RXPRBSSEL , //(tied_to_ground_vec_i[2:0]),
//----------------- Receive Ports - Pattern Checker ports ------------------
input RXPRBSCNTRESET , //(tied_to_ground_i),
//------------------ Receive Ports - RX Equalizer Ports -------------------
input RXDFEXYDEN , //(tied_to_vcc_i),
input RXDFEXYDHOLD , //(tied_to_ground_i),
input RXDFEXYDOVRDEN , //(tied_to_ground_i),
//---------------- Receive Ports - RX 8B/10B Decoder Ports -----------------
output [7:0] RXDISPERR , //({rxdisperr_float_i,rxdisperr_out}),
output [7:0] RXNOTINTABLE , //({rxnotintable_float_i,rxnotintable_out}),
//------------------------- Receive Ports - RX AFE -------------------------
input GTXRXP , //(gtxrxp_in),
//---------------------- Receive Ports - RX AFE Ports ----------------------
input GTXRXN , //(gtxrxn_in),
//----------------- Receive Ports - RX Buffer Bypass Ports -----------------
input RXBUFRESET , //(tied_to_ground_i),
output [2:0] RXBUFSTATUS , //(),
input RXDDIEN , //(tied_to_ground_i),
input RXDLYBYPASS , //(tied_to_vcc_i),
input RXDLYEN , //(tied_to_ground_i),
input RXDLYOVRDEN , //(tied_to_ground_i),
input RXDLYSRESET , //(tied_to_ground_i),
output RXDLYSRESETDONE , //(),
input RXPHALIGN , //(tied_to_ground_i),
output RXPHALIGNDONE , //(),
input RXPHALIGNEN , //(tied_to_ground_i),
input RXPHDLYPD , //(tied_to_ground_i),
input RXPHDLYRESET , //(tied_to_ground_i),
output [4:0] RXPHMONITOR , //(),
input RXPHOVRDEN , //(tied_to_ground_i),
output [4:0] RXPHSLIPMONITOR , //(),
output [2:0] RXSTATUS , //(rxstatus_out),
//------------ Receive Ports - RX Byte and Word Alignment Ports ------------
output RXBYTEISALIGNED , //(rxbyteisaligned_out),
output RXBYTEREALIGN , //(),
output RXCOMMADET , //(),
input RXCOMMADETEN , //(tied_to_vcc_i),
input RXMCOMMAALIGNEN , //(tied_to_vcc_i),
input RXPCOMMAALIGNEN , //(tied_to_vcc_i),
//---------------- Receive Ports - RX Channel Bonding Ports ----------------
output RXCHANBONDSEQ , //(),
input RXCHBONDEN , //(tied_to_ground_i),
input [2:0] RXCHBONDLEVEL , //(tied_to_ground_vec_i[2:0]),
input RXCHBONDMASTER , //(tied_to_ground_i),
output [4:0] RXCHBONDO , //(),
input RXCHBONDSLAVE , //(tied_to_ground_i),
//--------------- Receive Ports - RX Channel Bonding Ports ----------------
output RXCHANISALIGNED , //(),
output RXCHANREALIGN , //(),
//------------------ Receive Ports - RX Equailizer Ports -------------------
input RXLPMHFHOLD , //(tied_to_ground_i),
input RXLPMHFOVRDEN , //(tied_to_ground_i),
input RXLPMLFHOLD , //(tied_to_ground_i),
//------------------- Receive Ports - RX Equalizer Ports -------------------
input RXDFEAGCHOLD , //(rxdfeagchold_in),
input RXDFEAGCOVRDEN , //(tied_to_ground_i),
input RXDFECM1EN , //(tied_to_ground_i),
input RXDFELFHOLD , //(rxdfelfhold_in),
input RXDFELFOVRDEN , //(tied_to_vcc_i),
input RXDFELPMRESET , //(rxdfelpmreset_in),
input RXDFETAP2HOLD , //(tied_to_ground_i),
input RXDFETAP2OVRDEN , //(tied_to_ground_i),
input RXDFETAP3HOLD , //(tied_to_ground_i),
input RXDFETAP3OVRDEN , //(tied_to_ground_i),
input RXDFETAP4HOLD , //(tied_to_ground_i),
input RXDFETAP4OVRDEN , //(tied_to_ground_i),
input RXDFETAP5HOLD , //(tied_to_ground_i),
input RXDFETAP5OVRDEN , //(tied_to_ground_i),
input RXDFEUTHOLD , //(tied_to_ground_i),
input RXDFEUTOVRDEN , //(tied_to_ground_i),
input RXDFEVPHOLD , //(tied_to_ground_i),
input RXDFEVPOVRDEN , //(tied_to_ground_i),
input RXDFEVSEN , //(tied_to_ground_i),
input RXLPMLFKLOVRDEN , //(tied_to_ground_i),
output [6:0] RXMONITOROUT , //(rxmonitorout_out),
input [1:0] RXMONITORSEL , //(rxmonitorsel_in),
input RXOSHOLD , //(tied_to_ground_i),
input RXOSOVRDEN , //(tied_to_ground_i),
//---------- Receive Ports - RX Fabric ClocK Output Control Ports ----------
output RXRATEDONE , //(),
//------------- Receive Ports - RX Fabric Output Control Ports -------------
output RXOUTCLK , //(rxoutclk_out),
output RXOUTCLKFABRIC , //(),
output RXOUTCLKPCS , //(),
input [2:0] RXOUTCLKSEL , //(3'b010),
//-------------------- Receive Ports - RX Gearbox Ports --------------------
output RXDATAVALID , //(),
output [2:0] RXHEADER , //(),
output RXHEADERVALID , //(),
output RXSTARTOFSEQ , //(),
//------------------- Receive Ports - RX Gearbox Ports --------------------
input RXGEARBOXSLIP , //(tied_to_ground_i),
//----------- Receive Ports - RX Initialization and Reset Ports ------------
input GTRXRESET , //(gtrxreset_in),
input RXOOBRESET , //(tied_to_ground_i),
input RXPCSRESET , //(tied_to_ground_i),
input RXPMARESET , //(rxpmareset_in),
//---------------- Receive Ports - RX Margin Analysis ports ----------------
input RXLPMEN , //(tied_to_ground_i),
//----------------- Receive Ports - RX OOB Signaling ports -----------------
output RXCOMSASDET , //(),
output RXCOMWAKEDET , //(rxcomwakedet_out),
//---------------- Receive Ports - RX OOB Signaling ports -----------------
output RXCOMINITDET , //(rxcominitdet_out),
//---------------- Receive Ports - RX OOB signalling Ports -----------------
output RXELECIDLE , //(rxelecidle_out),
input [1:0] RXELECIDLEMODE , //(2'b00),
//--------------- Receive Ports - RX Polarity Control Ports ----------------
input RXPOLARITY , //(tied_to_ground_i),
//-------------------- Receive Ports - RX gearbox ports --------------------
input RXSLIDE , //(tied_to_ground_i),
//----------------- Receive Ports - RX8B/10B Decoder Ports -----------------
output [7:0] RXCHARISCOMMA , //(),
output [7:0] RXCHARISK , //({rxcharisk_float_i,rxcharisk_out}),
//---------------- Receive Ports - Rx Channel Bonding Ports ----------------
input [4:0] RXCHBONDI , //(5'b00000),
//------------ Receive Ports -RX Initialization and Reset Ports ------------
output RXRESETDONE , //(rxresetdone_out),
//------------------------------ Rx AFE Ports ------------------------------
input RXQPIEN , //(tied_to_ground_i),
output RXQPISENN , //(),
output RXQPISENP , //(),
//------------------------- TX Buffer Bypass Ports -------------------------
input TXPHDLYTSTCLK , //(tied_to_ground_i),
//---------------------- TX Configurable Driver Ports ----------------------
input [4:0] TXPOSTCURSOR , //(5'b00000),
input TXPOSTCURSORINV , //(tied_to_ground_i),
input [4:0] TXPRECURSOR , //(tied_to_ground_vec_i[4:0]),
input TXPRECURSORINV , //(tied_to_ground_i),
input TXQPIBIASEN , //(tied_to_ground_i),
input TXQPISTRONGPDOWN , //(tied_to_ground_i),
input TXQPIWEAKPUP , //(tied_to_ground_i),
//------------------- TX Initialization and Reset Ports --------------------
input CFGRESET , //(tied_to_ground_i),
input GTTXRESET , //(gttxreset_in),
output [15:0] PCSRSVDOUT , //(),
input TXUSERRDY , //(txuserrdy_in),
//-------------------- Transceiver Reset Mode Operation --------------------
input GTRESETSEL , //(tied_to_ground_i),
input RESETOVRD , //(tied_to_ground_i),
//-------------- Transmit Ports - 8b10b Encoder Control Ports --------------
input [7:0] TXCHARDISPMODE , //(tied_to_ground_vec_i[7:0]),
input [7:0] TXCHARDISPVAL , //(tied_to_ground_vec_i[7:0]),
//---------------- Transmit Ports - FPGA TX Interface Ports ----------------
input TXUSRCLK , //(txusrclk_in),
input TXUSRCLK2 , //(txusrclk2_in),
//------------------- Transmit Ports - PCI Express Ports -------------------
input TXELECIDLE , //(txelecidle_in),
input [2:0] TXMARGIN , //(tied_to_ground_vec_i[2:0]),
input [2:0] TXRATE , //(tied_to_ground_vec_i[2:0]),
input TXSWING , //(tied_to_ground_i),
//---------------- Transmit Ports - Pattern Generator Ports ----------------
input TXPRBSFORCEERR , //(tied_to_ground_i),
//---------------- Transmit Ports - TX Buffer Bypass Ports -----------------
input TXDLYBYPASS , //(tied_to_vcc_i),
input TXDLYEN , //(tied_to_ground_i),
input TXDLYHOLD , //(tied_to_ground_i),
input TXDLYOVRDEN , //(tied_to_ground_i),
input TXDLYSRESET , //(tied_to_ground_i),
output TXDLYSRESETDONE , //(),
input TXDLYUPDOWN , //(tied_to_ground_i),
input TXPHALIGN , //(tied_to_ground_i),
output TXPHALIGNDONE , //(),
input TXPHALIGNEN , //(tied_to_ground_i),
input TXPHDLYPD , //(tied_to_ground_i),
input TXPHDLYRESET , //(tied_to_ground_i),
input TXPHINIT , //(tied_to_ground_i),
output TXPHINITDONE , //(),
input TXPHOVRDEN , //(tied_to_ground_i),
//-------------------- Transmit Ports - TX Buffer Ports --------------------
output [1:0] TXBUFSTATUS , //(),
//------------- Transmit Ports - TX Configurable Driver Ports --------------
input [2:0] TXBUFDIFFCTRL , //(3'b100),
input TXDEEMPH , //(tied_to_ground_i),
input [3:0] TXDIFFCTRL , //(4'b1000),
input TXDIFFPD , //(tied_to_ground_i),
input TXINHIBIT , //(tied_to_ground_i),
input [6:0] TXMAINCURSOR , //(7'b0000000),
input TXPISOPD , //(tied_to_ground_i),
//---------------- Transmit Ports - TX Data Path interface -----------------
input [63:0] TXDATA , //(txdata_i),
//-------------- Transmit Ports - TX Driver and OOB signaling --------------
output GTXTXN , //(gtxtxn_out),
output GTXTXP , //(gtxtxp_out),
//--------- Transmit Ports - TX Fabric Clock Output Control Ports ----------
output TXOUTCLK , //(txoutclk_out),
output TXOUTCLKFABRIC , //(txoutclkfabric_out),
output TXOUTCLKPCS , //(txoutclkpcs_out),
input [2:0] TXOUTCLKSEL , //(3'b010),
output TXRATEDONE , //(),
//------------------- Transmit Ports - TX Gearbox Ports --------------------
input [7:0] TXCHARISK , //({tied_to_ground_vec_i[5:0],txcharisk_in}),
output TXGEARBOXREADY , //(),
input [2:0] TXHEADER , //(tied_to_ground_vec_i[2:0]),
input [6:0] TXSEQUENCE , //(tied_to_ground_vec_i[6:0]),
input TXSTARTSEQ , //(tied_to_ground_i),
//----------- Transmit Ports - TX Initialization and Reset Ports -----------
input TXPCSRESET , //(tied_to_ground_i),
input TXPMARESET , //(tied_to_ground_i),
output TXRESETDONE , //(txresetdone_out),
//---------------- Transmit Ports - TX OOB signalling Ports ----------------
output TXCOMFINISH , //(txcomfinish_out),
input TXCOMINIT , //(tied_to_ground_i),
input TXCOMSAS , //(tied_to_ground_i),
input TXCOMWAKE , //(txcomwake_in),
input TXPDELECIDLEMODE , //(tied_to_ground_i),
//--------------- Transmit Ports - TX Polarity Control Ports ---------------
input TXPOLARITY , //(tied_to_ground_i),
//------------- Transmit Ports - TX Receiver Detection Ports --------------
input TXDETECTRX , //(tied_to_ground_i),
//---------------- Transmit Ports - TX8b/10b Encoder Ports -----------------
input [7:0] TX8B10BBYPASS , //(tied_to_ground_vec_i[7:0]),
//---------------- Transmit Ports - pattern Generator Ports ----------------
input [2:0] TXPRBSSEL , //(tied_to_ground_vec_i[2:0]),
//--------------------- Tx Configurable Driver Ports ----------------------
output TXQPISENN , //(),
output TXQPISENP //()
);
//_______________________ Simulation-Only Attributes __________________
parameter SIM_RECEIVER_DETECT_PASS = "TRUE";
parameter SIM_TX_EIDLE_DRIVE_LEVEL = "X";
parameter SIM_RESET_SPEEDUP = "FALSE";
parameter SIM_CPLLREFCLK_SEL = 3'b001;
parameter SIM_VERSION = "4.0";
//----------------RX Byte and Word Alignment Attributes---------------
parameter ALIGN_COMMA_DOUBLE = "FALSE";
parameter ALIGN_COMMA_ENABLE = 10'b1111111111;
parameter ALIGN_COMMA_WORD = 1;
parameter ALIGN_MCOMMA_DET = "TRUE";
parameter ALIGN_MCOMMA_VALUE = 10'b1010000011;
parameter ALIGN_PCOMMA_DET = "TRUE";
parameter ALIGN_PCOMMA_VALUE = 10'b0101111100;
parameter SHOW_REALIGN_COMMA = "TRUE";
parameter RXSLIDE_AUTO_WAIT = 7;
parameter RXSLIDE_MODE = "OFF";
parameter RX_SIG_VALID_DLY = 10;
//----------------RX 8B/10B Decoder Attributes---------------
parameter RX_DISPERR_SEQ_MATCH = "TRUE";
parameter DEC_MCOMMA_DETECT = "TRUE";
parameter DEC_PCOMMA_DETECT = "TRUE";
parameter DEC_VALID_COMMA_ONLY = "FALSE";
//----------------------RX Clock Correction Attributes----------------------
parameter CBCC_DATA_SOURCE_SEL = "DECODED";
parameter CLK_COR_SEQ_2_USE = "FALSE";
parameter CLK_COR_KEEP_IDLE = "FALSE";
parameter CLK_COR_MAX_LAT = 9;
parameter CLK_COR_MIN_LAT = 7;
parameter CLK_COR_PRECEDENCE = "TRUE";
parameter CLK_COR_REPEAT_WAIT = 0;
parameter CLK_COR_SEQ_LEN = 1;
parameter CLK_COR_SEQ_1_ENABLE = 4'b1111;
parameter CLK_COR_SEQ_1_1 = 10'b0100000000;
parameter CLK_COR_SEQ_1_2 = 10'b0000000000;
parameter CLK_COR_SEQ_1_3 = 10'b0000000000;
parameter CLK_COR_SEQ_1_4 = 10'b0000000000;
parameter CLK_CORRECT_USE = "FALSE";
parameter CLK_COR_SEQ_2_ENABLE = 4'b1111;
parameter CLK_COR_SEQ_2_1 = 10'b0100000000;
parameter CLK_COR_SEQ_2_2 = 10'b0000000000;
parameter CLK_COR_SEQ_2_3 = 10'b0000000000;
parameter CLK_COR_SEQ_2_4 = 10'b0000000000;
//----------------------RX Channel Bonding Attributes----------------------
parameter CHAN_BOND_KEEP_ALIGN = "FALSE";
parameter CHAN_BOND_MAX_SKEW = 1;
parameter CHAN_BOND_SEQ_LEN = 1;
parameter CHAN_BOND_SEQ_1_1 = 10'b0000000000;
parameter CHAN_BOND_SEQ_1_2 = 10'b0000000000;
parameter CHAN_BOND_SEQ_1_3 = 10'b0000000000;
parameter CHAN_BOND_SEQ_1_4 = 10'b0000000000;
parameter CHAN_BOND_SEQ_1_ENABLE = 4'b1111;
parameter CHAN_BOND_SEQ_2_1 = 10'b0000000000;
parameter CHAN_BOND_SEQ_2_2 = 10'b0000000000;
parameter CHAN_BOND_SEQ_2_3 = 10'b0000000000;
parameter CHAN_BOND_SEQ_2_4 = 10'b0000000000;
parameter CHAN_BOND_SEQ_2_ENABLE = 4'b1111;
parameter CHAN_BOND_SEQ_2_USE = "FALSE";
parameter FTS_DESKEW_SEQ_ENABLE = 4'b1111;
parameter FTS_LANE_DESKEW_CFG = 4'b1111;
parameter FTS_LANE_DESKEW_EN = "FALSE";
//-------------------------RX Margin Analysis Attributes----------------------------
parameter ES_CONTROL = 6'b000000;
parameter ES_ERRDET_EN = "FALSE";
parameter ES_EYE_SCAN_EN = "TRUE";
parameter ES_HORZ_OFFSET = 12'h000;
parameter ES_PMA_CFG = 10'b0000000000;
parameter ES_PRESCALE = 5'b00000;
parameter ES_QUALIFIER = 80'h00000000000000000000;
parameter ES_QUAL_MASK = 80'h00000000000000000000;
parameter ES_SDATA_MASK = 80'h00000000000000000000;
parameter ES_VERT_OFFSET = 9'b000000000;
//-----------------------FPGA RX Interface Attributes-------------------------
parameter RX_DATA_WIDTH = 20;
//-------------------------PMA Attributes----------------------------
parameter OUTREFCLK_SEL_INV = 2'b11;
parameter PMA_RSV = 32'h00018480;
parameter PMA_RSV2 = 16'h2050;
parameter PMA_RSV3 = 2'b00;
parameter PMA_RSV4 = 32'h00000000;
parameter RX_BIAS_CFG = 12'b000000000100;
parameter DMONITOR_CFG = 24'h000A00;
parameter RX_CM_SEL = 2'b11;
parameter RX_CM_TRIM = 3'b010;
parameter RX_DEBUG_CFG = 12'b000000000000;
parameter RX_OS_CFG = 13'b0000010000000;
parameter TERM_RCAL_CFG = 5'b10000;
parameter TERM_RCAL_OVRD = 1'b0;
parameter TST_RSV = 32'h00000000;
parameter RX_CLK25_DIV = 6;
parameter TX_CLK25_DIV = 6;
parameter UCODEER_CLR = 1'b0;
//-------------------------PCI Express Attributes----------------------------
parameter PCS_PCIE_EN = "FALSE";
//-------------------------PCS Attributes----------------------------
parameter PCS_RSVD_ATTR = 48'h0100;
//-----------RX Buffer Attributes------------
parameter RXBUF_ADDR_MODE = "FAST";
parameter RXBUF_EIDLE_HI_CNT = 4'b1000;
parameter RXBUF_EIDLE_LO_CNT = 4'b0000;
parameter RXBUF_EN = "TRUE";
parameter RX_BUFFER_CFG = 6'b000000;
parameter RXBUF_RESET_ON_CB_CHANGE = "TRUE";
parameter RXBUF_RESET_ON_COMMAALIGN = "FALSE";
parameter RXBUF_RESET_ON_EIDLE = "FALSE";
parameter RXBUF_RESET_ON_RATE_CHANGE = "TRUE";
parameter RXBUFRESET_TIME = 5'b00001;
parameter RXBUF_THRESH_OVFLW = 61;
parameter RXBUF_THRESH_OVRD = "FALSE";
parameter RXBUF_THRESH_UNDFLW = 4;
parameter RXDLY_CFG = 16'h001F;
parameter RXDLY_LCFG = 9'h030;
parameter RXDLY_TAP_CFG = 16'h0000;
parameter RXPH_CFG = 24'h000000;
parameter RXPHDLY_CFG = 24'h084020;
parameter RXPH_MONITOR_SEL = 5'b00000;
parameter RX_XCLK_SEL = "RXREC";
parameter RX_DDI_SEL = 6'b000000;
parameter RX_DEFER_RESET_BUF_EN = "TRUE";
//---------------------CDR Attributes-------------------------
//For Display Port, HBR/RBR- set RXCDR_CFG=72'h0380008bff40200008
//For Display Port, HBR2 - set RXCDR_CFG=72'h038c008bff20200010
//For SATA Gen1 GTX- set RXCDR_CFG=72'h03_8000_8BFF_4010_0008
//For SATA Gen2 GTX- set RXCDR_CFG=72'h03_8800_8BFF_4020_0008
//For SATA Gen3 GTX- set RXCDR_CFG=72'h03_8000_8BFF_1020_0010
//For SATA Gen3 GTP- set RXCDR_CFG=83'h0_0000_87FE_2060_2444_1010
//For SATA Gen2 GTP- set RXCDR_CFG=83'h0_0000_47FE_2060_2448_1010
//For SATA Gen1 GTP- set RXCDR_CFG=83'h0_0000_47FE_1060_2448_1010
parameter RXCDR_CFG = 72'h03000023ff10200020;
parameter RXCDR_FR_RESET_ON_EIDLE = 1'b0;
parameter RXCDR_HOLD_DURING_EIDLE = 1'b0;
parameter RXCDR_PH_RESET_ON_EIDLE = 1'b0;
parameter RXCDR_LOCK_CFG = 6'b010101;
//-----------------RX Initialization and Reset Attributes-------------------
parameter RXCDRFREQRESET_TIME = 5'b00001;
parameter RXCDRPHRESET_TIME = 5'b00001;
parameter RXISCANRESET_TIME = 5'b00001;
parameter RXPCSRESET_TIME = 5'b00001;
parameter RXPMARESET_TIME = 5'b00011;
//-----------------RX OOB Signaling Attributes-------------------
parameter RXOOB_CFG = 7'b0000110;
//-----------------------RX Gearbox Attributes---------------------------
parameter RXGEARBOX_EN = "FALSE";
parameter GEARBOX_MODE = 3'b000;
//-----------------------PRBS Detection Attribute-----------------------
parameter RXPRBS_ERR_LOOPBACK = 1'b0;
//-----------Power-Down Attributes----------
parameter PD_TRANS_TIME_FROM_P2 = 12'h03c;
parameter PD_TRANS_TIME_NONE_P2 = 8'h3c;
parameter PD_TRANS_TIME_TO_P2 = 8'h64;
//-----------RX OOB Signaling Attributes----------
parameter SAS_MAX_COM = 64;
parameter SAS_MIN_COM = 36;
parameter SATA_BURST_SEQ_LEN = 4'b0101;
parameter SATA_BURST_VAL = 3'b110;
parameter SATA_EIDLE_VAL = 3'b110;
parameter SATA_MAX_BURST = 8;
parameter SATA_MAX_INIT = 21;
parameter SATA_MAX_WAKE = 7;
parameter SATA_MIN_BURST = 4;
parameter SATA_MIN_INIT = 12;
parameter SATA_MIN_WAKE = 4;
//-----------RX Fabric Clock Output Control Attributes----------
parameter TRANS_TIME_RATE = 8'h0E;
//------------TX Buffer Attributes----------------
parameter TXBUF_EN = "TRUE";
parameter TXBUF_RESET_ON_RATE_CHANGE = "TRUE";
parameter TXDLY_CFG = 16'h001F;
parameter TXDLY_LCFG = 9'h030;
parameter TXDLY_TAP_CFG = 16'h0000;
parameter TXPH_CFG = 16'h0780;
parameter TXPHDLY_CFG = 24'h084020;
parameter TXPH_MONITOR_SEL = 5'b00000;
parameter TX_XCLK_SEL = "TXOUT";
//-----------------------FPGA TX Interface Attributes-------------------------
parameter TX_DATA_WIDTH = 20;
//-----------------------TX Configurable Driver Attributes-------------------------
parameter TX_DEEMPH0 = 5'b00000;
parameter TX_DEEMPH1 = 5'b00000;
parameter TX_EIDLE_ASSERT_DELAY = 3'b110;
parameter TX_EIDLE_DEASSERT_DELAY = 3'b100;
parameter TX_LOOPBACK_DRIVE_HIZ = "FALSE";
parameter TX_MAINCURSOR_SEL = 1'b0;
parameter TX_DRIVE_MODE = "DIRECT";
parameter TX_MARGIN_FULL_0 = 7'b1001110;
parameter TX_MARGIN_FULL_1 = 7'b1001001;
parameter TX_MARGIN_FULL_2 = 7'b1000101;
parameter TX_MARGIN_FULL_3 = 7'b1000010;
parameter TX_MARGIN_FULL_4 = 7'b1000000;
parameter TX_MARGIN_LOW_0 = 7'b1000110;
parameter TX_MARGIN_LOW_1 = 7'b1000100;
parameter TX_MARGIN_LOW_2 = 7'b1000010;
parameter TX_MARGIN_LOW_3 = 7'b1000000;
parameter TX_MARGIN_LOW_4 = 7'b1000000;
//-----------------------TX Gearbox Attributes--------------------------
parameter TXGEARBOX_EN = "FALSE";
//-----------------------TX Initialization and Reset Attributes--------------------------
parameter TXPCSRESET_TIME = 5'b00001;
parameter TXPMARESET_TIME = 5'b00001;
//-----------------------TX Receiver Detection Attributes--------------------------
parameter TX_RXDETECT_CFG = 14'h1832;
parameter TX_RXDETECT_REF = 3'b100;
//--------------------------CPLL Attributes----------------------------
parameter CPLL_CFG = 24'hBC07DC;
parameter CPLL_FBDIV = 4;
parameter CPLL_FBDIV_45 = 5;
parameter CPLL_INIT_CFG = 24'h00001E;
parameter CPLL_LOCK_CFG = 16'h01E8;
parameter CPLL_REFCLK_DIV = 1;
parameter RXOUT_DIV = 2;
parameter TXOUT_DIV = 2;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
//------------RX Initialization and Reset Attributes-------------
parameter RXDFELPMRESET_TIME = 7'b0001111;
//------------RX Equalizer Attributes-------------
parameter RXLPM_HF_CFG = 14'b00000011110000;
parameter RXLPM_LF_CFG = 14'b00000011110000;
parameter RX_DFE_GAIN_CFG = 23'h020FEA;
parameter RX_DFE_H2_CFG = 12'b000000000000;
parameter RX_DFE_H3_CFG = 12'b000001000000;
parameter RX_DFE_H4_CFG = 11'b00011110000;
parameter RX_DFE_H5_CFG = 11'b00011100000;
parameter RX_DFE_KL_CFG = 13'b0000011111110;
parameter RX_DFE_LPM_CFG = 16'h0954;
parameter RX_DFE_LPM_HOLD_DURING_EIDLE = 1'b0;
parameter RX_DFE_UT_CFG = 17'b10001111000000000;
parameter RX_DFE_VP_CFG = 17'b00011111100000011;
//-----------------------Power-Down Attributes-------------------------
parameter RX_CLKMUX_PD = 1'b1;
parameter TX_CLKMUX_PD = 1'b1;
//-----------------------FPGA RX Interface Attribute-------------------------
parameter RX_INT_DATAWIDTH = 0;
//-----------------------FPGA TX Interface Attribute-------------------------
parameter TX_INT_DATAWIDTH = 0;
//----------------TX Configurable Driver Attributes---------------
parameter TX_QPI_STATUS_EN = 1'b0;
//-----------------------RX Equalizer Attributes--------------------------
parameter RX_DFE_KL_CFG2 = 0;
parameter RX_DFE_XYD_CFG = 13'b0000000000000;
//-----------------------TX Configurable Driver Attributes--------------------------
parameter TX_PREDRIVER_MODE = 1'b0;
wire reset = EYESCANRESET | RXCDRFREQRESET | RXCDRRESET | RXCDRRESETRSV | RXPRBSCNTRESET | RXBUFRESET | RXDLYSRESET | RXPHDLYRESET | RXDFELPMRESET | GTRXRESET | RXOOBRESET | RXPCSRESET | RXPMARESET | CFGRESET | GTTXRESET | GTRESETSEL | RESETOVRD | TXDLYSRESET | TXPHDLYRESET | TXPCSRESET | TXPMARESET;
reg rx_rst_done = 1'b0;
reg tx_rst_done = 1'b0;
assign RXRESETDONE = rx_rst_done;
assign TXRESETDONE = tx_rst_done;
initial
forever @ (posedge reset)
begin
tx_rst_done <= 1'b0;
@ (negedge reset);
repeat (80)
@ (posedge GTREFCLK0);
tx_rst_done <= 1'b1;
end
initial
forever @ (posedge reset)
begin
rx_rst_done <= 1'b0;
@ (negedge reset);
repeat (100)
@ (posedge GTREFCLK0);
rx_rst_done <= 1'b1;
end
gtxe2_chnl #(
.CPLL_CFG (CPLL_CFG),
.CPLL_FBDIV (CPLL_FBDIV),
.CPLL_FBDIV_45 (CPLL_FBDIV_45),
.CPLL_INIT_CFG (CPLL_INIT_CFG),
.CPLL_LOCK_CFG (CPLL_LOCK_CFG),
.CPLL_REFCLK_DIV (CPLL_REFCLK_DIV),
.RXOUT_DIV (RXOUT_DIV),
.TXOUT_DIV (TXOUT_DIV),
.SATA_CPLL_CFG (SATA_CPLL_CFG),
.PMA_RSV3 (PMA_RSV3),
.TXOUT_DIV (TXOUT_DIV),
// .TXRATE (TXRATE),
.RXOUT_DIV (RXOUT_DIV),
// .RXRATE (RXRATE),
.TX_INT_DATAWIDTH (TX_INT_DATAWIDTH),
.TX_DATA_WIDTH (TX_DATA_WIDTH),
.RX_DATA_WIDTH (RX_DATA_WIDTH),
.RX_INT_DATAWIDTH (RX_INT_DATAWIDTH),
.PRX8B10BEN (1),
.DEC_MCOMMA_DETECT (DEC_MCOMMA_DETECT),
.DEC_PCOMMA_DETECT (DEC_PCOMMA_DETECT),
.ALIGN_MCOMMA_VALUE (ALIGN_MCOMMA_VALUE),
.ALIGN_MCOMMA_DET (ALIGN_MCOMMA_DET),
.ALIGN_PCOMMA_VALUE (ALIGN_PCOMMA_VALUE),
.ALIGN_PCOMMA_DET (ALIGN_PCOMMA_DET),
.ALIGN_COMMA_ENABLE (ALIGN_COMMA_ENABLE),
.ALIGN_COMMA_DOUBLE (ALIGN_COMMA_DOUBLE),
.TX_DATA_WIDTH (TX_DATA_WIDTH),
.TX_INT_DATAWIDTH (TX_INT_DATAWIDTH),
.PTX8B10BEN (1),
.SATA_BURST_SEQ_LEN (SATA_BURST_SEQ_LEN),
.SATA_CPLL_CFG (SATA_CPLL_CFG)
)
channel(
.reset (reset),
.TXP (GTXTXP),
.TXN (GTXTXN),
.TXDATA (TXDATA),
.TXUSRCLK (TXUSRCLK),
.TXUSRCLK2 (TXUSRCLK2),
.TX8B10BBYPASS (TX8B10BBYPASS),
.TX8B10BEN (TX8B10BEN),
.TXCHARDISPMODE (TXCHARDISPMODE),
.TXCHARDISPVAL (TXCHARDISPVAL),
.TXCHARISK (TXCHARISK),
.TXBUFSTATUS (TXBUFSTATUS),
.TXPOLARITY (TXPOLARITY),
.TXRATE (TXRATE),
.RXRATE (RXRATE),
.TXRATEDONE (TXRATEDONE),
.TXCOMINIT (TXCOMINIT),
.TXCOMWAKE (TXCOMWAKE),
.TXCOMFINISH (TXCOMFINISH),
.TXELECIDLE (TXELECIDLE),
.RXP (GTXRXP),
.RXN (GTXRXN),
.RXUSRCLK (RXUSRCLK),
.RXUSRCLK2 (RXUSRCLK2),
.RXDATA (RXDATA),
.RXELECIDLEMODE (RXELECIDLEMODE),
.RXELECIDLE (RXELECIDLE),
.RXCOMINITDET (RXCOMINITDET),
.RXCOMWAKEDET (RXCOMWAKEDET),
.RXPOLARITY (RXPOLARITY),
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (RXBYTEREALIGN),
.RXCOMMADET (RXCOMMADET),
.RXCOMMADETEN (RXCOMMADETEN),
.RXPCOMMAALIGNEN (RXPCOMMAALIGNEN),
.RXMCOMMAALIGNEN (RXMCOMMAALIGNEN),
.RX8B10BEN (RX8B10BEN),
.RXCHARISCOMMA (RXCHARISCOMMA),
.RXCHARISK (RXCHARISK),
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
.CPLLREFCLKSEL (CPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.QPLLCLK (QPLLCLK),
.QPLLREFCLK (QPLLREFCLK),
.RXSYSCLKSEL (RXSYSCLKSEL),
.TXSYSCLKSEL (TXSYSCLKSEL),
.TXOUTCLKSEL (TXOUTCLKSEL),
.RXOUTCLKSEL (RXOUTCLKSEL),
.TXDLYBYPASS (TXDLYBYPASS),
.GTREFCLKMONITOR (GTREFCLKMONITOR),
.CPLLLOCKDETCLK (CPLLLOCKDETCLK ),
.CPLLLOCKEN (CPLLLOCKEN),
.CPLLPD (CPLLPD),
.CPLLRESET (CPLLRESET),
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.TXOUTCLKPMA (TXOUTCLKPMA),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLK (TXOUTCLK),
.TXOUTCLKFABRIC (TXOUTCLKFABRIC),
.tx_serial_clk (),
.RXOUTCLKPMA (RXOUTCLKPMA),
.RXOUTCLKPCS (RXOUTCLKPCS),
.RXOUTCLK (RXOUTCLK),
.RXOUTCLKFABRIC (RXOUTCLKFABRIC),
.rx_serial_clk ()
);
endmodule
gtxe2_channel/clock_divider.v 0 → 100644
View file @ 886f1771
`ifndef CLOCK_DIVIDER_V
`define CLOCK_DIVIDER_V
// non synthesisable!
module clock_divider(
input wire clk_in,
output reg clk_out,
input wire [31:0] div
);
parameter divide_by = 1;
parameter divide_by_param = 1;
reg [31:0] cnt = 0;
reg [31:0] div_r;
initial
begin
cnt = 0;
clk_out = 1'b1;
forever
begin
if (divide_by_param == 0)
begin
if (div > 32'h0)
div_r = div;
else
div_r = 1;
repeat (div_r)
@ (clk_in);
end
else
begin
repeat (divide_by)
@ (clk_in);
end
clk_out = ~clk_out;
end
end
endmodule
`endif
gtxe2_channel/gtxe2_chnl.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl_clocking.v"
`include "gtxe2_chnl_tx.v"
`include "gtxe2_chnl_rx.v"
module gtxe2_chnl(
input wire reset,
/*
* TX
*/
output wire TXP,
output wire TXN,
input wire [63:0] TXDATA,
input wire TXUSRCLK,
input wire TXUSRCLK2,
// 8/10 encoder
input wire [7:0] TX8B10BBYPASS,
input wire TX8B10BEN,
input wire [7:0] TXCHARDISPMODE,
input wire [7:0] TXCHARDISPVAL,
input wire [7:0] TXCHARISK,
// TX Buffer
output wire [1:0] TXBUFSTATUS,
// TX Polarity
input wire TXPOLARITY,
// TX Fabric Clock Control
input wire [2:0] TXRATE,
output wire TXRATEDONE,
// TX OOB
input wire TXCOMINIT,
input wire TXCOMWAKE,
output wire TXCOMFINISH,
// TX Driver Control
input wire TXELECIDLE,
/*
* RX
*/
input wire RXP,
input wire RXN,
input wire RXUSRCLK,
input wire RXUSRCLK2,
output wire [63:0] RXDATA,
input wire [2:0] RXRATE,
// oob
input wire [1:0] RXELECIDLEMODE,
output wire RXELECIDLE,
output wire RXCOMINITDET,
output wire RXCOMWAKEDET,
// polarity
input wire RXPOLARITY,
// aligner
output wire RXBYTEISALIGNED,
output wire RXBYTEREALIGN,
output wire RXCOMMADET,
input wire RXCOMMADETEN,
input wire RXPCOMMAALIGNEN,
input wire RXMCOMMAALIGNEN,
// 10/8 decoder
input wire RX8B10BEN,
output wire [7:0] RXCHARISCOMMA,
output wire [7:0] RXCHARISK,
output wire [7:0] RXDISPERR,
output wire [7:0] RXNOTINTABLE,
/*
* Clocking
*/
// top-level interfaces
input wire [2:0] CPLLREFCLKSEL,
input wire GTREFCLK0,
input wire GTREFCLK1,
input wire GTNORTHREFCLK0,
input wire GTNORTHREFCLK1,
input wire GTSOUTHREFCLK0,
input wire GTSOUTHREFCLK1,
input wire GTGREFCLK,
input wire QPLLCLK,
input wire QPLLREFCLK,
input wire [1:0] RXSYSCLKSEL,
input wire [1:0] TXSYSCLKSEL,
input wire [2:0] TXOUTCLKSEL,
input wire [2:0] RXOUTCLKSEL,
input wire TXDLYBYPASS,
output wire GTREFCLKMONITOR,
input wire CPLLLOCKDETCLK,
input wire CPLLLOCKEN,
input wire CPLLPD,
input wire CPLLRESET,
output wire CPLLFBCLKLOST,
output wire CPLLLOCK,
output wire CPLLREFCLKLOST,
// phy-level interfaces
output wire TXOUTCLKPMA,
output wire TXOUTCLKPCS,
output wire TXOUTCLK,
output wire TXOUTCLKFABRIC,
output wire tx_serial_clk,
output wire RXOUTCLKPMA,
output wire RXOUTCLKPCS,
output wire RXOUTCLK,
output wire RXOUTCLKFABRIC,
output wire rx_serial_clk
);
parameter [23:0] CPLL_CFG = 29'h00BC07DC;
parameter integer CPLL_FBDIV = 4;
parameter integer CPLL_FBDIV_45 = 5;
parameter [23:0] CPLL_INIT_CFG = 24'h00001E;
parameter [15:0] CPLL_LOCK_CFG = 16'h01E8;
parameter integer CPLL_REFCLK_DIV = 1;
parameter [1:0] PMA_RSV3 = 1;
parameter TXOUT_DIV = 2;
//parameter TXRATE = 3'b000;
parameter RXOUT_DIV = 2;
//parameter RXRATE = 3'b000;
parameter integer TX_INT_DATAWIDTH = 0;
parameter integer TX_DATA_WIDTH = 20;
parameter integer PTX8B10BEN = 1;
parameter integer RX_DATA_WIDTH = 20;
parameter integer RX_INT_DATAWIDTH = 0;
parameter integer PRX8B10BEN = 1;
parameter DEC_MCOMMA_DETECT = "TRUE";
parameter DEC_PCOMMA_DETECT = "TRUE";
parameter [9:0] ALIGN_MCOMMA_VALUE = 10'b1010000011;
parameter ALIGN_MCOMMA_DET = "TRUE";
parameter [9:0] ALIGN_PCOMMA_VALUE = 10'b0101111100;
parameter ALIGN_PCOMMA_DET = "TRUE";
parameter [9:0] ALIGN_COMMA_ENABLE = 10'b1111111111;
parameter ALIGN_COMMA_DOUBLE = "FALSE";
parameter [3:0] SATA_BURST_SEQ_LEN = 4'b1111;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
gtxe2_chnl_tx #(
.TX_DATA_WIDTH (TX_DATA_WIDTH),
.TX_INT_DATAWIDTH (TX_INT_DATAWIDTH),
.PTX8B10BEN (PTX8B10BEN),
.SATA_BURST_SEQ_LEN (SATA_BURST_SEQ_LEN),
.SATA_CPLL_CFG (SATA_CPLL_CFG)
)
tx(
.reset (reset),
.TXP (TXP),
.TXN (TXN),
.TXDATA (TXDATA),
.TXUSRCLK (TXUSRCLK),
.TXUSRCLK2 (TXUSRCLK2),
.TX8B10BBYPASS (TX8B10BBYPASS),
.TX8B10BEN (TX8B10BEN),
.TXCHARDISPMODE (TXCHARDISPMODE),
.TXCHARDISPVAL (TXCHARDISPVAL),
.TXCHARISK (TXCHARISK),
.TXBUFSTATUS (TXBUFSTATUS),
.TXPOLARITY (TXPOLARITY),
.TXRATE (TXRATE),
.TXRATEDONE (TXRATEDONE),
.TXCOMINIT (TXCOMINIT),
.TXCOMWAKE (TXCOMWAKE),
.TXCOMFINISH (TXCOMFINISH),
.TXELECIDLE (TXELECIDLE),
.serial_clk (tx_serial_clk)
);
gtxe2_chnl_rx #(
.RX_DATA_WIDTH (RX_DATA_WIDTH),
.RX_INT_DATAWIDTH (RX_INT_DATAWIDTH),
.PRX8B10BEN (PRX8B10BEN),
.DEC_MCOMMA_DETECT (DEC_MCOMMA_DETECT),
.DEC_PCOMMA_DETECT (DEC_PCOMMA_DETECT),
.ALIGN_MCOMMA_VALUE (ALIGN_MCOMMA_VALUE),
.ALIGN_MCOMMA_DET (ALIGN_MCOMMA_DET),
.ALIGN_PCOMMA_VALUE (ALIGN_PCOMMA_VALUE),
.ALIGN_PCOMMA_DET (ALIGN_PCOMMA_DET),
.ALIGN_COMMA_ENABLE (ALIGN_COMMA_ENABLE),
.ALIGN_COMMA_DOUBLE (ALIGN_COMMA_DOUBLE)
)
rx(
.reset (reset),
.RXP (RXP),
.RXN (RXN),
.RXUSRCLK (RXUSRCLK),
.RXUSRCLK2 (RXUSRCLK2),
.RXDATA (RXDATA),
.RXELECIDLEMODE (RXELECIDLEMODE),
.RXELECIDLE (RXELECIDLE),
.RXCOMINITDET (RXCOMINITDET),
.RXCOMWAKEDET (RXCOMWAKEDET),
.RXPOLARITY (RXPOLARITY),
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (RXBYTEREALIGN),
.RXCOMMADET (RXCOMMADET),
.RXCOMMADETEN (RXCOMMADETEN),
.RXPCOMMAALIGNEN (RXPCOMMAALIGNEN),
.RXMCOMMAALIGNEN (RXMCOMMAALIGNEN),
.RX8B10BEN (RX8B10BEN),
.RXCHARISCOMMA (RXCHARISCOMMA),
.RXCHARISK (RXCHARISK),
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
.serial_clk (rx_serial_clk)
);
gtxe2_chnl_clocking #(
.CPLL_CFG (CPLL_CFG),
.CPLL_FBDIV (CPLL_FBDIV),
.CPLL_FBDIV_45 (CPLL_FBDIV_45),
.CPLL_INIT_CFG (CPLL_INIT_CFG),
.CPLL_LOCK_CFG (CPLL_LOCK_CFG),
.CPLL_REFCLK_DIV (CPLL_REFCLK_DIV),
.RXOUT_DIV (RXOUT_DIV),
.TXOUT_DIV (TXOUT_DIV),
.SATA_CPLL_CFG (SATA_CPLL_CFG),
.PMA_RSV3 (PMA_RSV3),
.TXOUT_DIV (TXOUT_DIV),
// .TXRATE (TXRATE),
.RXOUT_DIV (RXOUT_DIV),
// .RXRATE (RXRATE),
.TX_INT_DATAWIDTH (TX_INT_DATAWIDTH),
.TX_DATA_WIDTH (TX_DATA_WIDTH),
.RX_INT_DATAWIDTH (RX_INT_DATAWIDTH),
.RX_DATA_WIDTH (RX_DATA_WIDTH)
)
clocking(
.CPLLREFCLKSEL (CPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.QPLLCLK (QPLLCLK),
.QPLLREFCLK (QPLLREFCLK ),
.RXSYSCLKSEL (RXSYSCLKSEL),
.TXSYSCLKSEL (TXSYSCLKSEL),
.TXOUTCLKSEL (TXOUTCLKSEL),
.RXOUTCLKSEL (RXOUTCLKSEL),
.TXDLYBYPASS (TXDLYBYPASS),
.GTREFCLKMONITOR (GTREFCLKMONITOR),
.CPLLLOCKDETCLK (CPLLLOCKDETCLK),
.CPLLLOCKEN (CPLLLOCKEN),
.CPLLPD (CPLLPD),
.CPLLRESET (CPLLRESET),
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.TXRATE (TXRATE),
.RXRATE (RXRATE),
.TXOUTCLKPMA (TXOUTCLKPMA),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLK (TXOUTCLK),
.TXOUTCLKFABRIC (TXOUTCLKFABRIC),
.tx_serial_clk (tx_serial_clk),
.RXOUTCLKPMA (RXOUTCLKPMA),
.RXOUTCLKPCS (RXOUTCLKPCS),
.RXOUTCLK (RXOUTCLK),
.RXOUTCLKFABRIC (RXOUTCLKFABRIC),
.rx_serial_clk (rx_serial_clk)
);
endmodule
gtxe2_channel/gtxe2_chnl_clocking.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl_cpll_inmux.v"
`include "gtxe2_chnl_outclk_mux.v"
`include "gtxe2_chnl_cpll.v"
`include "clock_divider.v"
module gtxe2_chnl_clocking(
// top-level interfaces
input wire [2:0] CPLLREFCLKSEL,
input wire GTREFCLK0,
input wire GTREFCLK1,
input wire GTNORTHREFCLK0,
input wire GTNORTHREFCLK1,
input wire GTSOUTHREFCLK0,
input wire GTSOUTHREFCLK1,
input wire GTGREFCLK,
input wire QPLLCLK,
input wire QPLLREFCLK,
input wire [1:0] RXSYSCLKSEL,
input wire [1:0] TXSYSCLKSEL,
input wire [2:0] TXOUTCLKSEL,
input wire [2:0] RXOUTCLKSEL,
input wire TXDLYBYPASS,
output wire GTREFCLKMONITOR,
input wire CPLLLOCKDETCLK,
input wire CPLLLOCKEN,
input wire CPLLPD,
input wire CPLLRESET,
output wire CPLLFBCLKLOST,
output wire CPLLLOCK,
output wire CPLLREFCLKLOST,
input wire [2:0] TXRATE,
input wire [2:0] RXRATE,
// phy-level interfaces
output wire TXOUTCLKPMA,
output wire TXOUTCLKPCS,
output wire TXOUTCLK,
output wire TXOUTCLKFABRIC,
output wire tx_serial_clk,
output wire tx_piso_clk,
output wire RXOUTCLKPMA,
output wire RXOUTCLKPCS,
output wire RXOUTCLK,
output wire RXOUTCLKFABRIC,
output wire rx_serial_clk,
output wire tx_sipo_clk
);
// CPLL
parameter [23:0] CPLL_CFG = 29'h00BC07DC;
parameter integer CPLL_FBDIV = 4;
parameter integer CPLL_FBDIV_45 = 5;
parameter [23:0] CPLL_INIT_CFG = 24'h00001E;
parameter [15:0] CPLL_LOCK_CFG = 16'h01E8;
parameter integer CPLL_REFCLK_DIV = 1;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
parameter [1:0] PMA_RSV3 = 1;
parameter TXOUT_DIV = 2;
//parameter TXRATE = 3'b000;
parameter RXOUT_DIV = 2;
//parameter RXRATE = 3'b000;
parameter TX_INT_DATAWIDTH = 0;
parameter TX_DATA_WIDTH = 20;
parameter RX_INT_DATAWIDTH = 0;
parameter RX_DATA_WIDTH = 20;
/*
localparam tx_serial_divider = TXRATE == 3'b001 ? 1
: TXRATE == 3'b010 ? 2
: TXRATE == 3'b011 ? 4
: TXRATE == 3'b100 ? 8
: TXRATE == 3'b101 ? 16 : TXOUT_DIV ;
localparam rx_serial_divider = RXRATE == 3'b001 ? 1
: RXRATE == 3'b010 ? 2
: RXRATE == 3'b011 ? 4
: RXRATE == 3'b100 ? 8
: RXRATE == 3'b101 ? 16 : RXOUT_DIV ;
*/
localparam tx_pma_divider1 = TX_INT_DATAWIDTH == 1 ? 4 : 2;
localparam tx_pcs_divider1 = tx_pma_divider1;
localparam tx_pma_divider2 = TX_DATA_WIDTH == 20 | TX_DATA_WIDTH == 40 | TX_DATA_WIDTH == 80 ? 5 : 4;
localparam tx_pcs_divider2 = tx_pma_divider2;
localparam rx_pma_divider1 = RX_INT_DATAWIDTH == 1 ? 4 : 2;
localparam rx_pma_divider2 = RX_DATA_WIDTH == 20 | RX_DATA_WIDTH == 40 | RX_DATA_WIDTH == 80 ? 5 : 4;
wire clk_mux_out;
wire cpll_clk_out;
wire tx_phy_clk;
wire rx_phy_clk;
wire TXPLLREFCLK_DIV1;
wire TXPLLREFCLK_DIV2;
wire RXPLLREFCLK_DIV1;
wire RXPLLREFCLK_DIV2;
assign tx_phy_clk = TXSYSCLKSEL[0] ? QPLLCLK : cpll_clk_out;
assign TXPLLREFCLK_DIV1 = TXSYSCLKSEL[1] ? QPLLREFCLK : clk_mux_out;
assign rx_phy_clk = RXSYSCLKSEL[0] ? QPLLCLK : cpll_clk_out;
assign RXPLLREFCLK_DIV1 = RXSYSCLKSEL[1] ? QPLLREFCLK : clk_mux_out;
assign tx_serial_clk = tx_phy_clk;
assign rx_serial_clk = rx_phy_clk;
// piso and sipo clocks
// are not used in the design - no need to use ddr mode during simulation. much easier just multi serial clk by 2
wire [31:0] tx_serial_divider;
wire [31:0] rx_serial_divider;
assign tx_serial_divider = TXRATE == 3'b001 ? 1
: TXRATE == 3'b010 ? 2
: TXRATE == 3'b011 ? 4
: TXRATE == 3'b100 ? 8
: TXRATE == 3'b101 ? 16 : TXOUT_DIV ;
assign rx_serial_divider = RXRATE == 3'b001 ? 1
: RXRATE == 3'b010 ? 2
: RXRATE == 3'b011 ? 4
: RXRATE == 3'b100 ? 8
: RXRATE == 3'b101 ? 16 : RXOUT_DIV ;
clock_divider #(
// .divide_by (tx_serial_divider),
.divide_by_param (0)
)
tx_toserialclk_div(
.clk_in (tx_phy_clk),
.clk_out (tx_piso_clk),
.div (tx_serial_divider)
);
clock_divider #(
// .divide_by (rx_serial_divider),
.divide_by_param (0)
)
rx_toserialclk_div(
.clk_in (rx_phy_clk),
.clk_out (rx_sipo_clk),
.div (rx_serial_divider)
);
// TXOUTCLKPCS/TXOUTCLKPMA generation
wire tx_pma_div1_clk;
assign TXOUTCLKPCS = TXOUTCLKPMA;
clock_divider #(
.divide_by (tx_pma_divider1)
)
tx_pma_div1(
.clk_in (tx_piso_clk),
.clk_out (tx_pma_div1_clk)
);
clock_divider #(
.divide_by (tx_pma_divider2)
)
tx_pma_div2(
.clk_in (tx_pma_div1_clk),
.clk_out (TXOUTCLKPMA)
);
// RXOUTCLKPCS/RXOUTCLKPMA generation
wire rx_pma_div1_clk;
assign RXOUTCLKPCS = RXOUTCLKPMA;
clock_divider #(
.divide_by (rx_pma_divider1)
)
rx_pma_div1(
.clk_in (rx_sipo_clk),
.clk_out (rx_pma_div1_clk)
);
clock_divider #(
.divide_by (rx_pma_divider2)
)
rx_pma_div2(
.clk_in (rx_pma_div1_clk),
.clk_out (RXOUTCLKPMA)
);
//
clock_divider #(
.divide_by (2)
)
txpllrefclk_div2(
.clk_in (TXPLLREFCLK_DIV1),
.clk_out (TXPLLREFCLK_DIV2)
);
clock_divider #(
.divide_by (2)
)
rxpllrefclk_div2(
.clk_in (RXPLLREFCLK_DIV1),
.clk_out (RXPLLREFCLK_DIV2)
);
gtxe2_chnl_outclk_mux tx_out_mux(
.TXPLLREFCLK_DIV1 (TXPLLREFCLK_DIV1),
.TXPLLREFCLK_DIV2 (TXPLLREFCLK_DIV2),
.TXOUTCLKPMA (TXOUTCLKPMA),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLKSEL (TXOUTCLKSEL),
.TXDLYBYPASS (TXDLYBYPASS),
.TXOUTCLK (TXOUTCLK)
);
gtxe2_chnl_outclk_mux rx_out_mux(
.TXPLLREFCLK_DIV1 (RXPLLREFCLK_DIV1),
.TXPLLREFCLK_DIV2 (RXPLLREFCLK_DIV2),
.TXOUTCLKPMA (RXOUTCLKPMA),
.TXOUTCLKPCS (RXOUTCLKPCS),
.TXOUTCLKSEL (RXOUTCLKSEL),
.TXDLYBYPASS (RXDLYBYPASS),
.TXOUTCLK (RXOUTCLK)
);
gtxe2_chnl_cpll_inmux clk_mux(
.CPLLREFCLKSEL (CPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.CPLL_MUX_CLK_OUT (clk_mux_out)
);
gtxe2_chnl_cpll #(
.CPLL_FBDIV (4),
.CPLL_FBDIV_45 (5),
.CPLL_REFCLK_DIV (1)
)
cpll(
.CPLLLOCKDETCLK (CPLLLOCKDETCLK),
.CPLLLOCKEN (CPLLLOCKEN),
.CPLLPD (CPLLPD),
.CPLLRESET (CPLLRESET),
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.GTRSVD (GTRSVD),
.PCSRSVDIN (PCSRSVDIN),
.PCSRSVDIN2 (PCSRSVDIN2),
.PMARSVDIN (PMARSVDIN),
.PMARSVDIN2 (PMARSVDIN2),
.TSTIN (TSTIN),
.TSTOUT (TSTOUT),
.ref_clk (clk_mux_out),
.clk_out (cpll_clk_out),
.pll_locked (pll_locked)
);
endmodule
gtxe2_channel/gtxe2_chnl_cpll.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl_cpll_def.v"
module gtxe2_chnl_cpll(
// top-level interfaces
input wire CPLLLOCKDETCLK,
input wire CPLLLOCKEN,
input wire CPLLPD,
input wire CPLLRESET, // active high
output wire CPLLFBCLKLOST,
output wire CPLLLOCK,
output wire CPLLREFCLKLOST,
input wire GTRSVD,
input wire PCSRSVDIN,
input wire PCSRSVDIN2,
input wire PMARSVDIN,
input wire PMARSVDIN2,
input wire TSTIN,
output wire TSTOUT,
// internal
input wire ref_clk,
output wire clk_out,
output wire pll_locked // equals CPLLLOCK
);
parameter [23:0] CPLL_CFG = 29'h00BC07DC;
parameter integer CPLL_FBDIV = 4;
parameter integer CPLL_FBDIV_45 = 5;
parameter [23:0] CPLL_INIT_CFG = 24'h00001E;
parameter [15:0] CPLL_LOCK_CFG = 16'h01E8;
parameter integer CPLL_REFCLK_DIV = 1;
parameter integer RXOUT_DIV = 2;
parameter integer TXOUT_DIV = 2;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
parameter [1:0] PMA_RSV3 = 1;
localparam multiplier = CPLL_FBDIV * CPLL_FBDIV_45;
localparam divider = CPLL_REFCLK_DIV;
assign pll_locked = locked;
assign CPLLLOCK = pll_locked;
wire fb_clk_out;
wire reset;
reg mult_clk;
reg mult_dev_clk;
assign clk_out = mult_dev_clk;
// generate internal async reset
assign reset = CPLLPD | CPLLRESET;
// apply multipliers
time last_edge; // reference clock edge's absolute time
time period; // reference clock's period
integer locked_f;
reg locked;
initial
begin
last_edge = 0;
period = 0;
forever @ (posedge ref_clk or posedge reset)
begin
period = reset ? 0 : $time - (last_edge == 0 ? $time : last_edge);
last_edge = reset ? 0 : $time;
end
end
reg tmp = 0;
initial
begin
@ (posedge reset);
forever @ (posedge ref_clk)
begin
tmp = ~tmp;
if (period > 0)
begin
locked_f = 1;
mult_clk = 1'b1;
repeat (multiplier * 2 - 1)
begin
#(period/multiplier/2)
mult_clk = ~mult_clk;
end
end
else
locked_f = 0;
end
end
// apply dividers
initial
begin
mult_dev_clk = 1'b1;
forever
begin
repeat (divider)
@ (mult_clk);
mult_dev_clk = ~mult_dev_clk;
end
end
// show if 'pll' is locked
reg [31:0] counter;
always @ (posedge ref_clk or posedge reset)
counter <= reset | locked_f == 0 ? 0 : counter == `GTXE2_CHNL_CPLL_LOCK_TIME ? counter : counter + 1;
always @ (posedge ref_clk)
locked <= counter == `GTXE2_CHNL_CPLL_LOCK_TIME;
/*
always @ (posedge ref_clk or posedge reset)
begin
if (locked_f == 1 && ~reset)
begin
repeat (`GTXE2_CHNL_CPLL_LOCK_TIME) @ (posedge ref_clk);
locked <= 1'b1;
end
else
locked <= 1'b0;
end*/
endmodule
gtxe2_channel/gtxe2_chnl_cpll_def.v 0 → 100644
View file @ 886f1771
`define GTXE2_CHNL_CPLL_LOCK_TIME 60
gtxe2_channel/gtxe2_chnl_cpll_inmux.v 0 → 100644
View file @ 886f1771
// cpll reference clock mux
module gtxe2_chnl_cpll_inmux(
input wire [2:0] CPLLREFCLKSEL,
input wire GTREFCLK0,
input wire GTREFCLK1,
input wire GTNORTHREFCLK0,
input wire GTNORTHREFCLK1,
input wire GTSOUTHREFCLK0,
input wire GTSOUTHREFCLK1,
input wire GTGREFCLK,
output wire CPLL_MUX_CLK_OUT
);
// clock multiplexer - pre-syntesis simulation only
assign CPLL_MUX_CLK_OUT = CPLLREFCLKSEL == 3'b000 ? 1'b0 // reserved
: CPLLREFCLKSEL == 3'b001 ? GTREFCLK0
: CPLLREFCLKSEL == 3'b010 ? GTREFCLK1
: CPLLREFCLKSEL == 3'b011 ? GTNORTHREFCLK0
: CPLLREFCLKSEL == 3'b100 ? GTNORTHREFCLK1
: CPLLREFCLKSEL == 3'b101 ? GTSOUTHREFCLK0
: CPLLREFCLKSEL == 3'b110 ? GTSOUTHREFCLK1
: /*CPLLREFCLKSEL == 3'b111 ?*/ GTGREFCLK;
endmodule
gtxe2_channel/gtxe2_chnl_outclk_mux.v 0 → 100644
View file @ 886f1771
module gtxe2_chnl_outclk_mux(
input wire TXPLLREFCLK_DIV1,
input wire TXPLLREFCLK_DIV2,
input wire TXOUTCLKPMA,
input wire TXOUTCLKPCS,
input wire [2:0] TXOUTCLKSEL,
input wire TXDLYBYPASS,
output wire TXOUTCLK
);
assign TXOUTCLK = TXOUTCLKSEL == 3'b001 ? TXOUTCLKPCS
: TXOUTCLKSEL == 3'b010 ? TXOUTCLKPMA
: TXOUTCLKSEL == 3'b011 ? TXPLLREFCLK_DIV1
: TXOUTCLKSEL == 3'b100 ? TXPLLREFCLK_DIV2
: /* 3'b000 */ 1'b1;
endmodule
gtxe2_channel/gtxe2_chnl_rx.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl_rx_des.v"
`include "gtxe2_chnl_rx_oob.v"
`include "gtxe2_chnl_rx_10x8dec.v"
`include "gtxe2_chnl_rx_align.v"
module gtxe2_chnl_rx(
input wire reset,
input wire RXP,
input wire RXN,
input wire RXUSRCLK,
input wire RXUSRCLK2,
output wire [63:0] RXDATA,
// oob
input wire [1:0] RXELECIDLEMODE,
output wire RXELECIDLE,
output wire RXCOMINITDET,
output wire RXCOMWAKEDET,
// polarity
input wire RXPOLARITY,
// aligner
output wire RXBYTEISALIGNED,
output wire RXBYTEREALIGN,
output wire RXCOMMADET,
input wire RXCOMMADETEN,
input wire RXPCOMMAALIGNEN,
input wire RXMCOMMAALIGNEN,
// 10/8 decoder
input wire RX8B10BEN,
output wire [7:0] RXCHARISCOMMA,
output wire [7:0] RXCHARISK,
output wire [7:0] RXDISPERR,
output wire [7:0] RXNOTINTABLE,
// internal
input wire serial_clk
);
parameter integer RX_DATA_WIDTH = 20;
parameter integer RX_INT_DATAWIDTH = 0;
parameter integer PRX8B10BEN = 1;
parameter DEC_MCOMMA_DETECT = "TRUE";
parameter DEC_PCOMMA_DETECT = "TRUE";
parameter [9:0] ALIGN_MCOMMA_VALUE = 10'b1010000011;
parameter ALIGN_MCOMMA_DET = "TRUE";
parameter [9:0] ALIGN_PCOMMA_VALUE = 10'b0101111100;
parameter ALIGN_PCOMMA_DET = "TRUE";
parameter [9:0] ALIGN_COMMA_ENABLE = 10'b1111111111;
parameter ALIGN_COMMA_DOUBLE = "FALSE";
function integer calc_idw;
input RX8B10BEN;
input RX_INT_DATAWIDTH;
input RX_DATA_WIDTH;
begin
if (RX8B10BEN == 1)
calc_idw = RX_INT_DATAWIDTH == 1 ? 40 : 20;
else
begin
if (RX_INT_DATAWIDTH == 1)
calc_idw = RX_DATA_WIDTH == 32 ? 32
: RX_DATA_WIDTH == 40 ? 40
: RX_DATA_WIDTH == 64 ? 32 : 40;
else
calc_idw = RX_DATA_WIDTH == 16 ? 16
: RX_DATA_WIDTH == 20 ? 20
: RX_DATA_WIDTH == 32 ? 16 : 20;
end
end
endfunction
localparam internal_data_width = calc_idw(PRX8B10BEN, RX_INT_DATAWIDTH, RX_DATA_WIDTH);
// OOB
gtxe2_chnl_rx_oob #(
.width (internal_data_width)
)
rx_oob(
.reset (reset),
.clk (serial_clk),
.RXN (RXN),
.RXP (RXP),
.RXELECIDLEMODE (RXELECIDLEMODE),
.RXELECIDLE (RXELECIDLE),
.RXCOMINITDET (RXCOMINITDET),
.RXCOMWAKEDET (RXCOMWAKEDET)
);
// Polarity
// no need to invert data after a deserializer, no need to resync or make a buffer trigger for simulation
wire indata_ser;
assign indata_ser = RXPOLARITY ^ RXP;
// due to non-syntasisable usage, CDR is missing
// deserializer
wire [internal_data_width - 1:0] parallel_data;
gtxe2_chnl_rx_des #(
.width (internal_data_width)
)
des(
.reset (reset),
.inclk (serial_clk),
.outclk (RXUSRCLK),
.indata (indata_ser),
.outdata (parallel_data)
);
// aligner
wire [internal_data_width - 1:0] aligned_data;
gtxe2_chnl_rx_align #(
.width (internal_data_width),
.ALIGN_MCOMMA_VALUE (ALIGN_MCOMMA_VALUE),
.ALIGN_MCOMMA_DET (ALIGN_MCOMMA_DET),
.ALIGN_PCOMMA_VALUE (ALIGN_PCOMMA_VALUE),
.ALIGN_PCOMMA_DET (ALIGN_PCOMMA_DET),
.ALIGN_COMMA_ENABLE (ALIGN_COMMA_ENABLE),
.ALIGN_COMMA_DOUBLE (ALIGN_COMMA_DOUBLE)
)
aligner(
.clk (RXUSRCLK),
.rst (reset),
.indata (parallel_data),
.outdata (aligned_data),
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (RXBYTEREALIGN),
.RXCOMMADET (RXCOMMADET),
.RXCOMMADETEN (RXCOMMADETEN),
.RXPCOMMAALIGNEN (RXPCOMMAALIGNEN),
.RXMCOMMAALIGNEN (RXMCOMMAALIGNEN)
);
gtxe2_chnl_rx_10x8dec #(
.iwidth (internal_data_width),
.owidth (RX_DATA_WIDTH),
.DEC_MCOMMA_DETECT (DEC_MCOMMA_DETECT),
.DEC_PCOMMA_DETECT (DEC_PCOMMA_DETECT)
)
decoder_10x8(
.clk (RXUSRCLK),
.rst (reset),
.indata (aligned_data),
.RX8B10BEN (RX8B10BEN),
.RXCHARISCOMMA (RXCHARISCOMMA),
.RXCHARISK (RXCHARISK),
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
.outdata (),
.RXDATA (RXDATA)
);
endmodule
gtxe2_channel/gtxe2_chnl_rx_10x8dec.v 0 → 100644
View file @ 886f1771
// always enabled
module gtxe2_chnl_rx_10x8dec #(
parameter iwidth = 20,
parameter owidth = 20,
parameter DEC_MCOMMA_DETECT = "TRUE",
parameter DEC_PCOMMA_DETECT = "TRUE"
)
(
input wire clk,
input wire rst,
input wire [iwidth - 1:0] indata,
input wire RX8B10BEN,
output wire [7:0] RXCHARISCOMMA,
output wire [7:0] RXCHARISK,
output wire [7:0] RXDISPERR,
output wire [7:0] RXNOTINTABLE,
output wire [owidth - 1:0] outdata,
output wire [63:0] RXDATA
);
localparam word_count = iwidth / 10;
localparam add_2out_bits = owidth == 20 | owidth == 40 | owidth == 80 ? "TRUE" : "FALSE";
wire [iwidth - 2 * word_count - 1:0] pure_data;
wire [iwidth - 1:0] data;
wire [word_count - 1:0] disp; //consecutive disparity calculations;
wire [word_count - 1:0] disp_word; // 0 - negative, 1 - positive
wire [word_count - 1:0] no_disp_word; // ignore disp_word, '1's and '0's have equal count
wire [word_count - 1:0] disp_err;
reg disp_init; // disparity after last clock's portion of data
always @ (posedge clk)
disp_init <= rst ? 1'b0 : disp[word_count - 1];
genvar ii;
generate
for (ii = 0; ii < word_count; ii = ii + 1)
begin: asdf
//data = {1'(is in table) + 3'(decoded 4/3) + 1'(is in table) + 5'(decoded 6/5)}
//6/5 decoding
assign data[ii*10+5:ii*10] = RXCHARISK[ii] ? (
indata[ii*10 + 9:ii*10] == 10'b0010111100 | indata[ii*10 + 9:ii*10] == 10'b1101000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b1001111100 | indata[ii*10 + 9:ii*10] == 10'b0110000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b1010111100 | indata[ii*10 + 9:ii*10] == 10'b0101000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b1100111100 | indata[ii*10 + 9:ii*10] == 10'b0011000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b0100111100 | indata[ii*10 + 9:ii*10] == 10'b1011000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b0101111100 | indata[ii*10 + 9:ii*10] == 10'b1010000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b0110111100 | indata[ii*10 + 9:ii*10] == 10'b1001000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b0001111100 | indata[ii*10 + 9:ii*10] == 10'b1110000011 ? 6'b011100 :
indata[ii*10 + 9:ii*10] == 10'b0001010111 | indata[ii*10 + 9:ii*10] == 10'b1110101000 ? 6'b010111 :
indata[ii*10 + 9:ii*10] == 10'b0001011011 | indata[ii*10 + 9:ii*10] == 10'b1110100100 ? 6'b011011 :
indata[ii*10 + 9:ii*10] == 10'b0001011101 | indata[ii*10 + 9:ii*10] == 10'b1110100010 ? 6'b011101 :
indata[ii*10 + 9:ii*10] == 10'b0001011110 | indata[ii*10 + 9:ii*10] == 10'b1110100001 ? 6'b011110 :
6'b100000)
:
(indata[ii*10 + 5:ii*10] == 6'b111001 | indata[ii*10 + 5:ii*10] == 6'b000110 ? 6'b000000 :// Data VVV
indata[ii*10 + 5:ii*10] == 6'b101110 | indata[ii*10 + 5:ii*10] == 6'b010001 ? 6'b000001 :
indata[ii*10 + 5:ii*10] == 6'b101101 | indata[ii*10 + 5:ii*10] == 6'b010010 ? 6'b000010 :
indata[ii*10 + 5:ii*10] == 6'b100011 | indata[ii*10 + 5:ii*10] == 6'b100011 ? 6'b000011 :
indata[ii*10 + 5:ii*10] == 6'b101011 | indata[ii*10 + 5:ii*10] == 6'b010100 ? 6'b000100 :
indata[ii*10 + 5:ii*10] == 6'b100101 | indata[ii*10 + 5:ii*10] == 6'b100101 ? 6'b000101 :
indata[ii*10 + 5:ii*10] == 6'b100110 | indata[ii*10 + 5:ii*10] == 6'b100110 ? 6'b000110 :
indata[ii*10 + 5:ii*10] == 6'b000111 | indata[ii*10 + 5:ii*10] == 6'b111000 ? 6'b000111 :
indata[ii*10 + 5:ii*10] == 6'b100111 | indata[ii*10 + 5:ii*10] == 6'b011000 ? 6'b001000 :
indata[ii*10 + 5:ii*10] == 6'b101001 | indata[ii*10 + 5:ii*10] == 6'b101001 ? 6'b001001 :
indata[ii*10 + 5:ii*10] == 6'b101010 | indata[ii*10 + 5:ii*10] == 6'b101010 ? 6'b001010 :
indata[ii*10 + 5:ii*10] == 6'b001011 | indata[ii*10 + 5:ii*10] == 6'b001011 ? 6'b001011 :
indata[ii*10 + 5:ii*10] == 6'b101100 | indata[ii*10 + 5:ii*10] == 6'b101100 ? 6'b001100 :
indata[ii*10 + 5:ii*10] == 6'b001101 | indata[ii*10 + 5:ii*10] == 6'b001101 ? 6'b001101 :
indata[ii*10 + 5:ii*10] == 6'b001110 | indata[ii*10 + 5:ii*10] == 6'b001110 ? 6'b001110 :
indata[ii*10 + 5:ii*10] == 6'b111010 | indata[ii*10 + 5:ii*10] == 6'b000101 ? 6'b001111 :
indata[ii*10 + 5:ii*10] == 6'b110110 | indata[ii*10 + 5:ii*10] == 6'b001001 ? 6'b010000 :
indata[ii*10 + 5:ii*10] == 6'b110001 | indata[ii*10 + 5:ii*10] == 6'b110001 ? 6'b010001 :
indata[ii*10 + 5:ii*10] == 6'b110010 | indata[ii*10 + 5:ii*10] == 6'b110010 ? 6'b010010 :
indata[ii*10 + 5:ii*10] == 6'b010011 | indata[ii*10 + 5:ii*10] == 6'b010011 ? 6'b010011 :
indata[ii*10 + 5:ii*10] == 6'b110100 | indata[ii*10 + 5:ii*10] == 6'b110100 ? 6'b010100 :
indata[ii*10 + 5:ii*10] == 6'b010101 | indata[ii*10 + 5:ii*10] == 6'b010101 ? 6'b010101 :
indata[ii*10 + 5:ii*10] == 6'b010110 | indata[ii*10 + 5:ii*10] == 6'b010110 ? 6'b010110 :
indata[ii*10 + 5:ii*10] == 6'b010111 | indata[ii*10 + 5:ii*10] == 6'b101000 ? 6'b010111 :
indata[ii*10 + 5:ii*10] == 6'b110011 | indata[ii*10 + 5:ii*10] == 6'b001100 ? 6'b011000 :
indata[ii*10 + 5:ii*10] == 6'b011001 | indata[ii*10 + 5:ii*10] == 6'b011001 ? 6'b011001 :
indata[ii*10 + 5:ii*10] == 6'b011010 | indata[ii*10 + 5:ii*10] == 6'b011010 ? 6'b011010 :
indata[ii*10 + 5:ii*10] == 6'b011011 | indata[ii*10 + 5:ii*10] == 6'b100100 ? 6'b011011 :
indata[ii*10 + 5:ii*10] == 6'b011100 | indata[ii*10 + 5:ii*10] == 6'b011100 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b011101 | indata[ii*10 + 5:ii*10] == 6'b100010 ? 6'b011101 :
indata[ii*10 + 5:ii*10] == 6'b011110 | indata[ii*10 + 5:ii*10] == 6'b100001 ? 6'b011110 :
indata[ii*10 + 5:ii*10] == 6'b110101 | indata[ii*10 + 5:ii*10] == 6'b001010 ? 6'b011111 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :// Controls VVV
/* indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b111100 | indata[ii*10 + 5:ii*10] == 6'b000011 ? 6'b011100 :
indata[ii*10 + 5:ii*10] == 6'b010111 | indata[ii*10 + 5:ii*10] == 6'b101000 ? 6'b010111 :
indata[ii*10 + 5:ii*10] == 6'b011011 | indata[ii*10 + 5:ii*10] == 6'b100100 ? 6'b011011 :
indata[ii*10 + 5:ii*10] == 6'b011101 | indata[ii*10 + 5:ii*10] == 6'b100010 ? 6'b011101 :
indata[ii*10 + 5:ii*10] == 6'b011110 | indata[ii*10 + 5:ii*10] == 6'b100001 ? 6'b011110 :*/
6'b100000); // not in a table
//4/3 decoding
assign data[ii*10+ 9:ii*10+ 6] = RXCHARISK[ii] ? (
indata[ii*10 + 9:ii*10] == 10'b0010111100 | indata[ii*10 + 9:ii*10] == 10'b1101000011 ? 4'b0000 :
indata[ii*10 + 9:ii*10] == 10'b1001111100 | indata[ii*10 + 9:ii*10] == 10'b0110000011 ? 4'b0001 :
indata[ii*10 + 9:ii*10] == 10'b1010111100 | indata[ii*10 + 9:ii*10] == 10'b0101000011 ? 4'b0010 :
indata[ii*10 + 9:ii*10] == 10'b1100111100 | indata[ii*10 + 9:ii*10] == 10'b0011000011 ? 4'b0011 :
indata[ii*10 + 9:ii*10] == 10'b0100111100 | indata[ii*10 + 9:ii*10] == 10'b1011000011 ? 4'b0100 :
indata[ii*10 + 9:ii*10] == 10'b0101111100 | indata[ii*10 + 9:ii*10] == 10'b1010000011 ? 4'b0101 :
indata[ii*10 + 9:ii*10] == 10'b0110111100 | indata[ii*10 + 9:ii*10] == 10'b1001000011 ? 4'b0110 :
indata[ii*10 + 9:ii*10] == 10'b0001111100 | indata[ii*10 + 9:ii*10] == 10'b1110000011 ? 4'b0111 :
indata[ii*10 + 9:ii*10] == 10'b0001010111 | indata[ii*10 + 9:ii*10] == 10'b1110101000 ? 4'b0111 :
indata[ii*10 + 9:ii*10] == 10'b0001011011 | indata[ii*10 + 9:ii*10] == 10'b1110100100 ? 4'b0111 :
indata[ii*10 + 9:ii*10] == 10'b0001011101 | indata[ii*10 + 9:ii*10] == 10'b1110100010 ? 4'b0111 :
indata[ii*10 + 9:ii*10] == 10'b0001011110 | indata[ii*10 + 9:ii*10] == 10'b1110100001 ? 4'b0111 :
4'b1000)
:
(indata[ii*10 + 9:ii*10 + 6] == 4'b1101 | indata[ii*10 + 9:ii*10 + 6] == 4'b0010 ? 4'b0000 : // Data VVV
indata[ii*10 + 9:ii*10 + 6] == 4'b1001 | indata[ii*10 + 9:ii*10 + 6] == 4'b1001 ? 4'b0001 :
indata[ii*10 + 9:ii*10 + 6] == 4'b1010 | indata[ii*10 + 9:ii*10 + 6] == 4'b1010 ? 4'b0010 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0011 | indata[ii*10 + 9:ii*10 + 6] == 4'b1100 ? 4'b0011 :
indata[ii*10 + 9:ii*10 + 6] == 4'b1011 | indata[ii*10 + 9:ii*10 + 6] == 4'b0100 ? 4'b0100 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0101 | indata[ii*10 + 9:ii*10 + 6] == 4'b0101 ? 4'b0101 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0110 | indata[ii*10 + 9:ii*10 + 6] == 4'b0110 ? 4'b0110 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0111 | indata[ii*10 + 9:ii*10 + 6] == 4'b1110 ? 4'b0111 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0001 | indata[ii*10 + 9:ii*10 + 6] == 4'b1000 ? 4'b0111 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0010 | indata[ii*10 + 9:ii*10 + 6] == 4'b1101 ? 4'b0000 : // Control VVV
/* indata[ii*10 + 9:ii*10 + 6] == 4'b1001 | indata[ii*10 + 9:ii*10 + 6] == 4'b0110 ? 4'b0001 :
indata[ii*10 + 9:ii*10 + 6] == 4'b1010 | indata[ii*10 + 9:ii*10 + 6] == 4'b0101 ? 4'b0010 :
indata[ii*10 + 9:ii*10 + 6] == 4'b1100 | indata[ii*10 + 9:ii*10 + 6] == 4'b0011 ? 4'b0011 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0100 | indata[ii*10 + 9:ii*10 + 6] == 4'b1011 ? 4'b0100 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0101 | indata[ii*10 + 9:ii*10 + 6] == 4'b1010 ? 4'b0101 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0110 | indata[ii*10 + 9:ii*10 + 6] == 4'b1001 ? 4'b0110 :
indata[ii*10 + 9:ii*10 + 6] == 4'b0001 | indata[ii*10 + 9:ii*10 + 6] == 4'b1110 ? 4'b0111 :*/
4'b1000); // not in a table
assign disp_word[ii] = (4'd0 + indata[ii*10] + indata[ii*10 + 1] + indata[ii*10 + 2] + indata[ii*10 + 3] + indata[ii*10 + 4]
+ indata[ii*10 + 5] + indata[ii*10 + 6] + indata[ii*10 + 7] + indata[ii*10 + 8] + indata[ii*10 + 9]) > 5;
assign no_disp_word[ii]= (4'd0 + indata[ii*10] + indata[ii*10 + 1] + indata[ii*10 + 2] + indata[ii*10 + 3] + indata[ii*10 + 4]
+ indata[ii*10 + 5] + indata[ii*10 + 6] + indata[ii*10 + 7] + indata[ii*10 + 8] + indata[ii*10 + 9]) == 5;
assign pure_data[ii*8 + 7:ii*8] = {data[ii*10 + 8:ii*10 + 6], data[ii*10 + 4:ii*10]};
if (add_2out_bits == "TRUE")
assign outdata[ii*10 + 9:ii*10]= {RXDISPERR[ii], RXCHARISK[ii], pure_data[ii*8 + 7:ii*8]};
else
assign outdata[ii*8 + 7:ii*8] = pure_data[ii*8 + 7:ii*8];
end
endgenerate
//disperr[ii] = no_disp_word[ii] ? 1'b0 : ~disp_word[ii] ^ disp[ii-1];
//disp[ii] = no_disp_word[ii] ? disp[ii-1] : disp_word[ii]
assign disp_err = ~no_disp_word & (~disp_word ^ {disp[word_count - 2:0], disp_init});
assign disp = ~no_disp_word & disp_word | no_disp_word & {disp[word_count - 2:0], disp_init};
generate
for (ii = 0; ii < 8; ii = ii + 1)
begin:dfsga
assign RXDATA[ii*8+7:ii*8] = ii >= word_count ? 8'h0 : pure_data[ii*8+7:ii*8];
assign RXNOTINTABLE[ii] = ii >= word_count ? 1'b0 : data[ii*10 + 9] | data[ii*10 + 5];
assign RXDISPERR[ii] = ii >= word_count ? 1'b0 : disp_err[ii];
assign RXCHARISK[ii] = ii >= word_count ? 1'b0 :
indata[ii*10 + 9:ii*10] == 10'b0010111100 | indata[ii*10 + 9:ii*10] == 10'b1101000011 |
indata[ii*10 + 9:ii*10] == 10'b1001111100 | indata[ii*10 + 9:ii*10] == 10'b0110000011 |
indata[ii*10 + 9:ii*10] == 10'b1010111100 | indata[ii*10 + 9:ii*10] == 10'b0101000011 |
indata[ii*10 + 9:ii*10] == 10'b1100111100 | indata[ii*10 + 9:ii*10] == 10'b0011000011 |
indata[ii*10 + 9:ii*10] == 10'b0100111100 | indata[ii*10 + 9:ii*10] == 10'b1011000011 |
indata[ii*10 + 9:ii*10] == 10'b0101111100 | indata[ii*10 + 9:ii*10] == 10'b1010000011 |
indata[ii*10 + 9:ii*10] == 10'b0110111100 | indata[ii*10 + 9:ii*10] == 10'b1001000011 |
indata[ii*10 + 9:ii*10] == 10'b0001111100 | indata[ii*10 + 9:ii*10] == 10'b1110000011 |
indata[ii*10 + 9:ii*10] == 10'b0001010111 | indata[ii*10 + 9:ii*10] == 10'b1110101000 |
indata[ii*10 + 9:ii*10] == 10'b0001011011 | indata[ii*10 + 9:ii*10] == 10'b1110100100 |
indata[ii*10 + 9:ii*10] == 10'b0001011101 | indata[ii*10 + 9:ii*10] == 10'b1110100010 |
indata[ii*10 + 9:ii*10] == 10'b0001011110 | indata[ii*10 + 9:ii*10] == 10'b1110100001;
assign RXCHARISCOMMA[ii] = ii >= word_count ? 1'b0 :
(indata[ii*10 + 9:ii*10] == 10'b1001111100 |
indata[ii*10 + 9:ii*10] == 10'b0101111100 |
indata[ii*10 + 9:ii*10] == 10'b0001111100) & DEC_PCOMMA_DETECT |
(indata[ii*10 + 9:ii*10] == 10'b0110000011 |
indata[ii*10 + 9:ii*10] == 10'b1010000011 |
indata[ii*10 + 9:ii*10] == 10'b1110000011) & DEC_MCOMMA_DETECT;
end
endgenerate
endmodule
gtxe2_channel/gtxe2_chnl_rx_align.v 0 → 100644
View file @ 886f1771
module gtxe2_chnl_rx_align #(
parameter width = 20,
parameter [9:0] ALIGN_MCOMMA_VALUE = 10'b1010000011,
parameter ALIGN_MCOMMA_DET = "TRUE",
parameter [9:0] ALIGN_PCOMMA_VALUE = 10'b0101111100,
parameter ALIGN_PCOMMA_DET = "TRUE",
parameter [9:0] ALIGN_COMMA_ENABLE = 10'b1111111111,
parameter ALIGN_COMMA_DOUBLE = "FALSE",
parameter ALIGN_COMMA_WORD = 1
)
(
input wire clk,
input wire rst,
input wire [width - 1:0] indata,
output wire [width - 1:0] outdata,
output wire RXBYTEISALIGNED,
output wire RXBYTEREALIGN,
output wire RXCOMMADET,
input wire RXCOMMADETEN,
input wire RXPCOMMAALIGNEN,
input wire RXMCOMMAALIGNEN
);
localparam comma_width = ALIGN_COMMA_DOUBLE == "FALSE" ? 10 : 20;
localparam window_size = width;//comma_width + width;
// prepare a buffer to be scanned on comma matches
reg [width - 1:0] indata_r;
wire [width*2 - 1:0] data;
assign data = {indata, indata_r};//{indata_r, indata};
always @ (posedge clk)
indata_r <= indata;
// finding matches
wire [comma_width - 1:0] comma_window [window_size - 1:0];
wire [window_size - 1:0] comma_match; // shows all matches
wire [window_size - 1:0] comma_pos; // shows the first match
wire [window_size - 1:0] pcomma_match;
wire [window_size - 1:0] mcomma_match;
genvar ii;
generate
for (ii = 0; ii < window_size; ii = ii + 1)
begin: filter
assign comma_window[ii] = data[comma_width + ii - 1:ii];
assign pcomma_match[ii] = (comma_window[ii] & ALIGN_COMMA_ENABLE) == (ALIGN_PCOMMA_VALUE & ALIGN_COMMA_ENABLE);
assign mcomma_match[ii] = (comma_window[ii] & ALIGN_COMMA_ENABLE) == (ALIGN_MCOMMA_VALUE & ALIGN_COMMA_ENABLE);
assign comma_match[ii] = pcomma_match[ii] & RXPCOMMAALIGNEN | mcomma_match[ii] & RXMCOMMAALIGNEN;
end
endgenerate
// so, comma_match indicates bits, from whose comma/doublecomma (or commas) occurs in the window buffer
// all we need from now is to get one of these bits = [x] and say [x+width-1:x] is an aligned data
// doing it in a hard way
generate
for (ii = 1; ii < window_size; ii = ii + 1)
begin: filter_comma_pos
assign comma_pos[ii] = comma_match[ii] & ~|comma_match[ii - 1:0];
end
endgenerate
assign comma_pos[0] = comma_match[0];
function integer clogb2;
input [31:0] value;
begin
value = value - 1;
for (clogb2 = 0; value > 0; clogb2 = clogb2 + 1) begin
value = value >> 1;
end
end
endfunction
function integer powerof2;
input [31:0] value;
begin
value = 1 << value;
end
endfunction
localparam pwidth = clogb2(width * 2 -1);
wire [pwidth - 1:0] pointer;
reg [pwidth - 1:0] pointer_latched;
wire pointer_set;
wire [window_size - 1:0] pbits [pwidth - 1:0];
genvar jj;
generate
for (ii = 0; ii < pwidth; ii = ii + 1)
begin: for_each_pointers_bit
for (jj = 0; jj < window_size; jj = jj + 1)
begin: calculate_encoder_mask
assign pbits[ii][jj] = jj[ii];
end
assign pointer[ii] = |(pbits[ii] & comma_pos);
end
endgenerate
//here we are: pointer = index of a beginning of the required output data
reg is_aligned;
assign outdata = ~RXCOMMADETEN ? indata : pointer_set ? data[pointer + width - 1 -:width] : data[pointer_latched + width - 1 -:width];
assign pointer_set = |comma_pos;
assign RXCOMMADET = RXCOMMADETEN & pointer_set & (|pcomma_match & ALIGN_PCOMMA_DET == "TRUE" | |mcomma_match & ALIGN_MCOMMA_DET == "TRUE");
assign RXBYTEISALIGNED = RXCOMMADETEN & is_aligned;
assign RXBYTEREALIGN = RXCOMMADETEN & is_aligned & pointer_set;
always @ (posedge clk)
begin
is_aligned <= rst ? 1'b0 : ~is_aligned & pointer_set | is_aligned;
pointer_latched <= rst ? 1'b0 : pointer_set ? pointer : pointer_latched;
end
endmodule
gtxe2_channel/gtxe2_chnl_rx_des.v 0 → 100644
View file @ 886f1771
// 20-bit width only, for now
// assuming inclk and outclk are completely aligned (have the same source)
`include "resync_fifo_nonsynt.v"
module gtxe2_chnl_rx_des #(
parameter [31:0] width = 20
)
(
input wire reset,
input wire inclk,
input wire outclk,
input wire indata,
// input wire idle_in,
output wire [width - 1:0] outdata
// output wire idle_out
);
reg [31:0] bitcounter;
reg [width - 1:0] inbuffer;
wire empty_rd;
wire full_wr;
wire val_wr;
wire val_rd;
always @ (posedge inclk)
bitcounter <= reset | bitcounter == (width - 1) ? 32'h0 : bitcounter + 1'b1;
genvar ii;
generate
for (ii = 0; ii < width; ii = ii + 1)
begin: splicing
always @ (posedge inclk)
inbuffer[ii] <= reset ? 1'b0 : (bitcounter == ii) ? indata : inbuffer[ii];
end
endgenerate
assign val_rd = ~empty_rd & ~almost_empty_rd;
assign val_wr = ~full_wr & bitcounter == (width - 1);
always @ (posedge inclk)
if (full_wr)
begin
$display("FIFO in %m is full, that is not an appropriate behaviour");
$finish;
end
resync_fifo_nonsynt #(
.width (width),
.log_depth (3)
)
fifo(
.rst_rd (reset),
.rst_wr (reset),
.clk_wr (inclk),
.val_wr (val_wr),
.data_wr ({indata, inbuffer[width - 2:0]}),
.clk_rd (outclk),
.val_rd (val_rd),
.data_rd (outdata),
.empty_rd (empty_rd),
.full_wr (full_wr),
.almost_empty_rd (almost_empty_rd)
);
endmodule
gtxe2_channel/gtxe2_chnl_rx_oob.v 0 → 100644
View file @ 886f1771
module gtxe2_chnl_rx_oob #(
parameter width = 20,
parameter [2:0] SATA_BURST_VAL = 3'b100,
parameter [2:0] SATA_EIDLE_VAL = 3'b100,
parameter SATA_MIN_INIT = 12,
parameter SATA_MIN_WAKE = 4,
parameter SATA_MAX_BURST = 8,
parameter SATA_MIN_BURST = 4,
parameter SATA_MAX_INIT = 21,
parameter SATA_MAX_WAKE = 7
)
(
input wire reset,
input wire clk,
input wire RXN,
input wire RXP,
input wire [1:0] RXELECIDLEMODE,
output wire RXELECIDLE,
output wire RXCOMINITDET,
output wire RXCOMWAKEDET
);
// parameters are not used for now
localparam burst_min_len = 150;
localparam burst_max_len = 340;
localparam wake_idle_min_len = 150;
localparam wake_idle_max_len = 340;
localparam init_idle_min_len = 450;
localparam init_idle_max_len = 990;
localparam wake_bursts_cnt = 5;
localparam init_bursts_cnt = 5;
wire idle;
assign idle = RXN == RXP;
wire state_notrans;
wire state_error; //nostrans substate
wire state_done; //notrans substate
reg state_idle;
reg state_burst;
wire set_notrans;
wire set_done;
wire set_error;
wire set_idle;
wire set_burst;
wire clr_idle;
wire clr_burst;
assign state_notrans = ~state_idle & ~state_burst;
always @ (posedge clk)
begin
state_idle <= (state_idle | set_idle) & ~reset & ~clr_idle;
state_burst <= (state_burst | set_burst) & ~reset & ~clr_burst;
end
assign set_notrans = set_done | set_error;
assign set_idle = state_burst & clr_burst & idle;
assign set_burst = state_notrans & ~idle | state_idle & clr_idle & ~idle;
assign clr_idle = ~idle | set_notrans;
assign clr_burst = idle | set_notrans;
reg [31:0] burst_len;
reg [31:0] idle_len;
reg [31:0] bursts_cnt;
always @ (posedge clk)
begin
burst_len <= reset | ~state_burst ? 0 : burst_len + 1;
idle_len <= reset | ~state_idle ? 0 : idle_len + 1;
bursts_cnt <= reset | state_notrans ? 0 : state_burst & clr_burst ? bursts_cnt + 1 : bursts_cnt;
end
wire burst_len_violation;
wire idle_len_violation;
wire wake_idle_violation;
wire init_idle_violation;
//reg burst_len_ok;
reg wake_idle_ok;
reg init_idle_ok;
reg burst_len_curr_ok;
reg init_idle_curr_ok;
reg wake_idle_curr_ok;
wire done_wake;
wire done_init;
always @ (posedge clk)
begin
wake_idle_ok <= reset | state_notrans ? 1'b1 : wake_idle_violation ? 1'b0 : wake_idle_ok;
init_idle_ok <= reset | state_notrans ? 1'b1 : init_idle_violation ? 1'b0 : init_idle_ok;
// burst_len_ok <= reset | state_notrans ? 1'b1 : burst_len_violation ? 1'b0 : burst_len_ok;
wake_idle_curr_ok <= reset | ~state_idle ? 1'b0 : idle_len == wake_idle_min_len ? 1'b1 : wake_idle_curr_ok;
init_idle_curr_ok <= reset | ~state_idle ? 1'b0 : idle_len == init_idle_min_len ? 1'b1 : init_idle_curr_ok;
burst_len_curr_ok <= reset | ~state_burst? 1'b0 : burst_len == burst_min_len ? 1'b1 : burst_len_curr_ok;
end
assign burst_len_violation = state_burst & set_idle & ~burst_len_curr_ok | state_burst & burst_len == burst_max_len;
assign wake_idle_violation = state_idle & set_burst & ~wake_idle_curr_ok | state_idle & idle_len == wake_idle_max_len;
assign init_idle_violation = state_idle & set_burst & ~init_idle_curr_ok | state_idle & idle_len == init_idle_max_len;
assign idle_len_violation = (~wake_idle_ok | wake_idle_violation) & init_idle_violation | wake_idle_violation & (~init_idle_ok | init_idle_violation);
assign done_wake = state_burst & ~idle & bursts_cnt == (wake_bursts_cnt - 1) & wake_idle_ok;
assign done_init = state_burst & ~idle & bursts_cnt == (init_bursts_cnt - 1)& init_idle_ok;
assign set_error = idle_len_violation | burst_len_violation;
assign set_done = ~set_error & (done_wake | done_init);
assign RXCOMINITDET = done_init;
assign RXCOMWAKEDET = done_wake;
endmodule
gtxe2_channel/gtxe2_chnl_tx.v 0 → 100644
View file @ 886f1771
`include "gtxe2_chnl_tx_ser.v"
`include "gtxe2_chnl_tx_8x10enc.v"
`include "gtxe2_chnl_tx_oob.v"
module gtxe2_chnl_tx(
input wire reset,
output wire TXP,
output wire TXN,
input wire [63:0] TXDATA,
input wire TXUSRCLK,
input wire TXUSRCLK2,
// 8/10 encoder
input wire [7:0] TX8B10BBYPASS,
input wire TX8B10BEN,
input wire [7:0] TXCHARDISPMODE,
input wire [7:0] TXCHARDISPVAL,
input wire [7:0] TXCHARISK,
// TX Buffer
output wire [1:0] TXBUFSTATUS,
// TX Polarity
input wire TXPOLARITY,
// TX Fabric Clock Control
input wire [2:0] TXRATE,
output wire TXRATEDONE,
// TX OOB
input wire TXCOMINIT,
input wire TXCOMWAKE,
output wire TXCOMFINISH,
// TX Driver Control
input wire TXELECIDLE,
// internal
input wire serial_clk
);
parameter TX_DATA_WIDTH = 20;
parameter TX_INT_DATAWIDTH = 0;
parameter PTX8B10BEN = 1;
parameter [3:0] SATA_BURST_SEQ_LEN = 4'b1111;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
function integer calc_idw;
input TX8B10BEN;
// input TX_INT_DATAWIDTH;
// input TX_DATA_WIDTH;
begin
if (TX8B10BEN == 1)
calc_idw = TX_INT_DATAWIDTH == 1 ? 40 : 20;
else
begin
if (TX_INT_DATAWIDTH == 1)
calc_idw = TX_DATA_WIDTH == 32 ? 32
: TX_DATA_WIDTH == 40 ? 40
: TX_DATA_WIDTH == 64 ? 32 : 40;
else
calc_idw = TX_DATA_WIDTH == 16 ? 16
: TX_DATA_WIDTH == 20 ? 20
: TX_DATA_WIDTH == 32 ? 16 : 20;
end
end
endfunction
localparam internal_data_width = calc_idw(PTX8B10BEN);//, TX_INT_DATAWIDTH, TX_DATA_WIDTH);
// TX PMA
// serializer
wire serial_data;
wire line_idle;
wire line_idle_pcs; // line_idle in pcs clock domain
wire [internal_data_width - 1:0] ser_input;
wire oob_active;
assign TXP = ~line_idle & serial_data;
assign TXN = ~line_idle & ~serial_data;
assign line_idle_pcs = TXELECIDLE & ~oob_active | reset;
// Serializer
wire [internal_data_width - 1:0] parallel_data;
wire [internal_data_width - 1:0] inv_parallel_data;
gtxe2_chnl_tx_ser #(
.width (internal_data_width)
)
ser(
.reset (reset),
.inclk (TXUSRCLK),
.outclk (serial_clk),
.indata (inv_parallel_data),
.idle_in (line_idle_pcs),
.outdata (serial_data),
.idle_out (line_idle)
);
// TX PCS
// invert data (get words as [abdceifghj] after 8/10, each word shall be transmitter in a reverse bit order)
genvar ii;
genvar jj;
generate
for (ii = 0; ii < internal_data_width; ii = ii + 10)
begin: select_each_word
for (jj = 0; jj < 10; jj = jj + 1)
begin: reverse_bits
assign inv_parallel_data[ii + jj] = polarized_data[ii + 9 - jj];
end
end
endgenerate
// Polarity:
wire [internal_data_width - 1:0] polarized_data;
assign ser_input = polarized_data;
generate
for (ii = 0; ii < internal_data_width; ii = ii + 1)
begin: invert_dataword
assign polarized_data[ii] = TXPOLARITY == 1'b1 ? ~parallel_data[ii] : parallel_data[ii];
end
endgenerate
// SATA OOB
reg disparity;
wire [internal_data_width - 1:0] oob_data;
wire oob_val;
assign oob_active = oob_val;
gtxe2_chnl_tx_oob #(
.width (internal_data_width)
)
tx_oob(
.TXCOMINIT (TXCOMINIT),
.TXCOMWAKE (TXCOMWAKE),
.TXCOMFINISH (TXCOMFINISH),
.clk (TXUSRCLK),
.reset (reset),
.disparity (disparity),
.outdata (oob_data),
.outval (oob_val)
);
// Disparity control
wire next_disparity;
always @ (posedge TXUSRCLK)
disparity <= reset | line_idle_pcs? 1'b0 : oob_val ? ~disparity : next_disparity;
// 8/10 endoding
wire [internal_data_width - 1:0] encoded_data;
gtxe2_chnl_tx_8x10enc #(
.iwidth (16),//TX_DATA_WIDTH),
.owidth (internal_data_width)
)
encoder_8x10(
.TX8B10BBYPASS (TX8B10BBYPASS),
.TX8B10BEN (TX8B10BEN),
.TXCHARDISPMODE (TXCHARDISPMODE),
.TXCHARDISPVAL (TXCHARDISPVAL),
.TXCHARISK (TXCHARISK),
.disparity (disparity),
.data_in (TXDATA[15:0]),
.data_out (encoded_data),
.next_disparity (next_disparity)
);
// OOB-OrdinaryData Arbiter
assign parallel_data = oob_val ? oob_data : encoded_data;
endmodule
gtxe2_channel/gtxe2_chnl_tx_8x10enc.v 0 → 100644
View file @ 886f1771
module gtxe2_chnl_tx_8x10enc #(
parameter iwidth = 16,
parameter owidth = 20
)
(
input wire [7:0] TX8B10BBYPASS,
input wire TX8B10BEN,
input wire [7:0] TXCHARDISPMODE,
input wire [7:0] TXCHARDISPVAL,
input wire [7:0] TXCHARISK,
input wire disparity,
input wire [iwidth - 1:0] data_in,
output wire [owidth - 1:0] data_out,
output wire next_disparity
);
// only full 8/10 encoding and width=20 case is implemented
localparam word_count = owidth / 10;
wire [word_count - 1:0] word_disparity;
wire [word_count - 1:0] interm_disparity;
wire [5:0] six [word_count - 1:0];
wire [3:0] four [word_count - 1:0];
wire [owidth - 1:0] oword [word_count - 1:0];
wire [iwidth - 1:0] iword [word_count - 1:0];
wire [word_count - 1:0] is_control;
genvar ii;
generate
for (ii = 0; ii < 2; ii = ii + 1)
begin: encode_by_word
assign is_control[ii] = TXCHARISK[ii];
assign iword[ii] = data_in[ii*8 + 7:ii*8];
assign interm_disparity[ii]= ^six[ii] ? word_disparity[ii] : ~word_disparity[ii];
assign word_disparity[ii] = (ii == 0) ? disparity :
(^oword[ii - 1] ? ~word_disparity[ii - 1] : word_disparity[ii - 1]);
assign six[ii] = iword[ii][4:0] == 5'b00000 ? (~word_disparity[ii] ? 6'b100111 : 6'b011000)
: iword[ii][4:0] == 5'b00001 ? (~word_disparity[ii] ? 6'b011101 : 6'b100010)
: iword[ii][4:0] == 5'b00010 ? (~word_disparity[ii] ? 6'b101101 : 6'b010010)
: iword[ii][4:0] == 5'b00011 ? (~word_disparity[ii] ? 6'b110001 : 6'b110001)
: iword[ii][4:0] == 5'b00100 ? (~word_disparity[ii] ? 6'b110101 : 6'b001010)
: iword[ii][4:0] == 5'b00101 ? (~word_disparity[ii] ? 6'b101001 : 6'b101001)
: iword[ii][4:0] == 5'b00110 ? (~word_disparity[ii] ? 6'b011001 : 6'b011001)
: iword[ii][4:0] == 5'b00111 ? (~word_disparity[ii] ? 6'b111000 : 6'b000111)
: iword[ii][4:0] == 5'b01000 ? (~word_disparity[ii] ? 6'b111001 : 6'b000110)
: iword[ii][4:0] == 5'b01001 ? (~word_disparity[ii] ? 6'b100101 : 6'b100101)
: iword[ii][4:0] == 5'b01010 ? (~word_disparity[ii] ? 6'b010101 : 6'b010101)
: iword[ii][4:0] == 5'b01011 ? (~word_disparity[ii] ? 6'b110100 : 6'b110100)
: iword[ii][4:0] == 5'b01100 ? (~word_disparity[ii] ? 6'b001101 : 6'b001101)
: iword[ii][4:0] == 5'b01101 ? (~word_disparity[ii] ? 6'b101100 : 6'b101100)
: iword[ii][4:0] == 5'b01110 ? (~word_disparity[ii] ? 6'b011100 : 6'b011100)
: iword[ii][4:0] == 5'b01111 ? (~word_disparity[ii] ? 6'b010111 : 6'b101000)
: iword[ii][4:0] == 5'b10000 ? (~word_disparity[ii] ? 6'b011011 : 6'b100100)
: iword[ii][4:0] == 5'b10001 ? (~word_disparity[ii] ? 6'b100011 : 6'b100011)
: iword[ii][4:0] == 5'b10010 ? (~word_disparity[ii] ? 6'b010011 : 6'b010011)
: iword[ii][4:0] == 5'b10011 ? (~word_disparity[ii] ? 6'b110010 : 6'b110010)
: iword[ii][4:0] == 5'b10100 ? (~word_disparity[ii] ? 6'b001011 : 6'b001011)
: iword[ii][4:0] == 5'b10101 ? (~word_disparity[ii] ? 6'b101010 : 6'b101010)
: iword[ii][4:0] == 5'b10110 ? (~word_disparity[ii] ? 6'b011010 : 6'b011010)
: iword[ii][4:0] == 5'b10111 ? (~word_disparity[ii] ? 6'b111010 : 6'b000101)
: iword[ii][4:0] == 5'b11000 ? (~word_disparity[ii] ? 6'b110011 : 6'b001100)
: iword[ii][4:0] == 5'b11001 ? (~word_disparity[ii] ? 6'b100110 : 6'b100110)
: iword[ii][4:0] == 5'b11010 ? (~word_disparity[ii] ? 6'b010110 : 6'b010110)
: iword[ii][4:0] == 5'b11011 ? (~word_disparity[ii] ? 6'b110110 : 6'b001001)
: iword[ii][4:0] == 5'b11100 ? (~word_disparity[ii] ? 6'b001110 : 6'b001110)
: iword[ii][4:0] == 5'b11101 ? (~word_disparity[ii] ? 6'b101110 : 6'b010001)
: iword[ii][4:0] == 5'b11110 ? (~word_disparity[ii] ? 6'b011110 : 6'b100001)
:/*iword[ii][4:0] == 5'b11111*/(~word_disparity[ii] ? 6'b101011 : 6'b010100);
assign four[ii] = iword[ii][7:5] == 3'd0 ? (~interm_disparity[ii] ? 4'b1011 : 4'b0100)
: iword[ii][7:5] == 3'd1 ? (~interm_disparity[ii] ? 4'b1001 : 4'b1001)
: iword[ii][7:5] == 3'd2 ? (~interm_disparity[ii] ? 4'b0101 : 4'b0101)
: iword[ii][7:5] == 3'd3 ? (~interm_disparity[ii] ? 4'b1100 : 4'b0011)
: iword[ii][7:5] == 3'd4 ? (~interm_disparity[ii] ? 4'b1101 : 4'b0010)
: iword[ii][7:5] == 3'd5 ? (~interm_disparity[ii] ? 4'b1010 : 4'b1010)
: iword[ii][7:5] == 3'd6 ? (~interm_disparity[ii] ? 4'b0110 : 4'b0110)
:/*iword[ii][7:5] == 3'd7*/(~interm_disparity[ii] ? (six[ii][1:0] == 2'b00 ? 4'b1110 : 4'b0111)
: (six[ii][1:0] == 2'b00 ? 4'b1000 : 4'b0001));
assign oword[ii] = ~is_control[ii] ? {six[ii], four[ii]}
: iword[ii][7:0] == 8'b00011100 ? (~word_disparity[ii] ? 10'b0011110100 : 10'b1100001011)
: iword[ii][7:0] == 8'b00111100 ? (~word_disparity[ii] ? 10'b0011111001 : 10'b1100000110)
: iword[ii][7:0] == 8'b01011100 ? (~word_disparity[ii] ? 10'b0011110101 : 10'b1100001010)
: iword[ii][7:0] == 8'b01111100 ? (~word_disparity[ii] ? 10'b0011110011 : 10'b1100001100)
: iword[ii][7:0] == 8'b10011100 ? (~word_disparity[ii] ? 10'b0011110010 : 10'b1100001101)
: iword[ii][7:0] == 8'b10111100 ? (~word_disparity[ii] ? 10'b0011111010 : 10'b1100000101)
: iword[ii][7:0] == 8'b11011100 ? (~word_disparity[ii] ? 10'b0011110110 : 10'b1100001001)
: iword[ii][7:0] == 8'b11111100 ? (~word_disparity[ii] ? 10'b0011111000 : 10'b1100000111)
: iword[ii][7:0] == 8'b11110111 ? (~word_disparity[ii] ? 10'b1110101000 : 10'b0001010111)
: iword[ii][7:0] == 8'b11111011 ? (~word_disparity[ii] ? 10'b1101101000 : 10'b0010010111)
: iword[ii][7:0] == 8'b11111101 ? (~word_disparity[ii] ? 10'b1011101000 : 10'b0100010111)
:/*iword[ii][7:0] == 8'b11111110*/(~word_disparity[ii] ? 10'b0111101000 : 10'b1000010111);
assign data_out[ii*10 + 9:ii * 10] = oword[ii];
end
endgenerate
assign next_disparity = ^oword[word_count - 1] ? ~word_disparity[word_count - 1] : word_disparity[word_count - 1];
endmodule
gtxe2_channel/gtxe2_chnl_tx_oob.v 0 → 100644
View file @ 886f1771
module gtxe2_chnl_tx_oob #(
parameter width = 20
)
(
// top-level ifaces
input wire TXCOMINIT,
input wire TXCOMWAKE,
output wire TXCOMFINISH,
// internal ifaces
input wire clk,
input wire reset,
input wire disparity,
output wire [width - 1:0] outdata,
output wire outval
);
parameter [3:0] SATA_BURST_SEQ_LEN = 4'b0101;
parameter SATA_CPLL_CFG = "VCO_3000MHZ";
localparam burst_len_mult = SATA_CPLL_CFG == "VCO_3000MHZ" ? 4
: SATA_CPLL_CFG == "VCO_1500MHZ" ? 2
: /* VCO_750MHZ */ 1;
localparam burst_len = burst_len_mult * 8; // = 106.7ns; each burst contains 16 SATA Gen1 words
localparam quiet_len_init = burst_len * 3; // = 320ns
localparam quiet_len_wake = burst_len; // = 106.7ns
localparam init_bursts_cnt = SATA_BURST_SEQ_LEN;//3;
localparam wake_bursts_cnt = SATA_BURST_SEQ_LEN;//5;
reg [31:0] bursts_cnt;
reg [31:0] stopwatch;
wire stopwatch_clr;
wire bursts_cnt_inc;
wire bursts_cnt_clr;
wire [31:0] quiet_len;
// FSM Declarations
reg state_burst;
reg state_quiet;
wire state_idle;
wire set_burst;
wire set_quiet;
wire clr_burst;
wire clr_quiet;
// remember what command was issued
reg issued_init;
reg issued_wake;
always @ (posedge clk)
begin
issued_init <= reset | TXCOMFINISH | issued_wake ? 1'b0 : TXCOMINIT ? 1'b1 : state_idle ? 1'b0 : issued_init;
issued_wake <= reset | TXCOMFINISH | issued_init ? 1'b0 : TXCOMWAKE ? 1'b1 : state_idle ? 1'b0 : issued_wake;
end
wire [31:0] bursts_cnt_togo;
assign bursts_cnt_togo = issued_wake ? wake_bursts_cnt : init_bursts_cnt ;
// FSM
assign state_idle = ~state_burst & ~state_quiet;
always @ (posedge clk)
begin
state_burst <= (state_burst | set_burst) & ~reset & ~clr_burst;
state_quiet <= (state_quiet | set_quiet) & ~reset & ~clr_quiet;
end
assign set_burst = state_idle & (TXCOMINIT | TXCOMWAKE) | state_quiet & clr_quiet & ~TXCOMFINISH;
assign set_quiet = state_burst & (bursts_cnt < bursts_cnt_togo - 1) & clr_burst;
assign clr_burst = state_burst & stopwatch == burst_len;
assign clr_quiet = state_quiet & stopwatch == quiet_len;
// bursts timing
assign quiet_len = issued_wake ? quiet_len_wake : quiet_len_init;
assign stopwatch_clr = set_burst | set_quiet | state_idle;
always @ (posedge clk)
stopwatch <= reset | stopwatch_clr ? 0 : stopwatch + burst_len_mult;
// total bursts count
assign bursts_cnt_clr = state_idle;
assign bursts_cnt_inc = state_burst & clr_burst;
always @ (posedge clk)
bursts_cnt <= reset | bursts_cnt_clr ? 0 : bursts_cnt_inc ? bursts_cnt + 1 : bursts_cnt;
// data to serializer
// only datawidth = 20 is supported for now
wire [width - 1:0] outdata_pos;
wire [width - 1:0] outdata_neg;
// outdata = {Align2 + Align1}, disparity always flips
assign outdata_pos = stopwatch[0] == 1'b0 ? {10'b0101010101, 10'b1100000101}
: {10'b1101100011, 10'b0101010101};
assign outdata_neg = stopwatch[0] == 1'b0 ? {10'b0101010101, 10'b0011111010}
: {10'b0010011100, 10'b0101010101};
assign outdata = disparity ? outdata_pos : outdata_neg;
assign outval = state_burst;
assign TXCOMFINISH = bursts_cnt_clr & bursts_cnt == bursts_cnt_togo;
endmodule
gtxe2_channel/gtxe2_chnl_tx_ser.v 0 → 100644
View file @ 886f1771
// 20-bit width only, for now
// assuming inclk and outclk are completely aligned (have the same source)
`include "resync_fifo_nonsynt.v"
module gtxe2_chnl_tx_ser #(
parameter [31:0] width = 20
)
(
input wire reset,
input wire inclk,
input wire outclk,
input wire [width - 1:0] indata,
input wire idle_in,
output wire outdata,
output wire idle_out
);
reg [31:0] bitcounter;
wire [width - 1:0] data_resynced;
wire almost_empty_rd;
wire empty_rd;
wire full_wr;
wire val_rd;
always @ (posedge outclk)
bitcounter <= reset | bitcounter == (width - 1) ? 32'h0 : bitcounter + 1'b1;
assign outdata = data_resynced[bitcounter];
assign val_rd = ~almost_empty_rd & ~empty_rd & bitcounter == (width - 1);
resync_fifo_nonsynt #(
.width (width + 1), // +1 is for a flag of an idle line (both TXP and TXN = 0)
.log_depth (3)
)
fifo(
.rst_rd (reset),
.rst_wr (reset),
.clk_wr (inclk),
.val_wr (1'b1),
.data_wr ({idle_in, indata}),
.clk_rd (outclk),
.val_rd (val_rd),
.data_rd ({idle_out, data_resynced}),
.empty_rd (empty_rd),
.full_wr (full_wr),
.almost_empty_rd (almost_empty_rd)
);
endmodule
gtxe2_channel/resync_fifo_nonsynt.v 0 → 100644
View file @ 886f1771
// simplified resynchronisation fifo, could cause metastability
// because of that shall not be syntesisable
// TODO add shift registers and gray code to fix that
`ifndef RESYNC_FIFO_NOSYNT_V
`define RESYNC_FIFO_NOSYNT_V
module resync_fifo_nonsynt #(
parameter [31:0] width = 20,
//parameter [31:0] depth = 7
parameter [31:0] log_depth = 3
)
(
input wire rst_rd,
input wire rst_wr,
input wire clk_wr,
input wire val_wr,
input wire [width - 1:0] data_wr,
input wire clk_rd,
input wire val_rd,
output wire [width - 1:0] data_rd,
output wire empty_rd,
output wire almost_empty_rd,
output wire full_wr
);
/*
function integer clogb2;
input [31:0] value;
begin
value = value - 1;
for (clogb2 = 0; value > 0; clogb2 = clogb2 + 1) begin
value = value >> 1;
end
end
endfunction
localparam log_depth = clogb2(depth);
*/
localparam depth = 1 << log_depth;
reg [width -1:0] fifo [depth - 1:0];
// wr_clk domain
reg [log_depth - 1:0] cnt_wr;
// rd_clk domain
reg [log_depth - 1:0] cnt_rd;
assign data_rd = fifo[cnt_rd];
assign empty_rd = cnt_wr == cnt_rd;
assign full_wr = (cnt_wr + 1'b1) == cnt_rd;
assign almost_empty_rd = (cnt_rd + 1'b1) == cnt_wr;
always @ (posedge clk_wr)
fifo[cnt_wr] <= val_wr ? data_wr : fifo[cnt_wr];
always @ (posedge clk_wr)
cnt_wr <= rst_wr ? 0 : val_wr ? cnt_wr + 1'b1 : cnt_wr;
always @ (posedge clk_rd)
cnt_rd <= rst_rd ? 0 : val_rd ? cnt_rd + 1'b1 : cnt_rd;
endmodule
`endif
gtxe2_common/gtxe2_comm_clocking.v 0 → 100644
View file @ 886f1771
`include "gtxe2_comm_qpll_inmux.v"
`include "gtxe2_comm_qpll.v"
module gtxe2_comm_clocking(
// top-level interfaces
input wire [2:0] QPLLREFCLKSEL,
input wire GTREFCLK0,
input wire GTREFCLK1,
input wire GTNORTHREFCLK0,
input wire GTNORTHREFCLK1,
input wire GTSOUTHREFCLK0,
input wire GTSOUTHREFCLK1,
input wire GTGREFCLK,
output wire QPLLOUTCLK,
output wire QPLLOUTREFCLK,
output wire REFCLKOUTMONITOR,
input wire QPLLLOCKDETCLK,
input wire QPLLLOCKEN,
input wire QPLLPD,
input wire QPLLRESET,
output wire QPLLFBCLKLOST,
output wire QPLLLOCK,
output wire QPLLREFCLKLOST
);
wire clk_mux_out;
wire qpll_clk_out; //TODO
assign REFCLKOUTMONITOR = clk_mux_out;
assign QPLLOUTREFCLK = clk_mux_out;
assign QPLLOUTCLK = qpll_clk_out;
gtxe2_comm_qpll_inmux clk_mux(
.QPLLREFCLKSEL (QPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.QPLL_MUX_CLK_OUT (clk_mux_out)
);
gtxe2_comm_qpll qpll(
.QPLLLOCKDETCLK (QPLLLOCKDETCLK),
.QPLLLOCKEN (QPLLLOCKEN),
.QPLLPD (QPLLPD),
.QPLLRESET (QPLLRESET),
.QPLLFBCLKLOST (QPLLFBCLKLOST),
.QPLLLOCK (QPLLLOCK),
.QPLLREFCLKLOST (QPLLREFCLKLOST),
.GTRSVD (GTRSVD),
.PCSRSVDIN (PCSRSVDIN),
.PCSRSVDIN2 (PCSRSVDIN2),
.PMARSVDIN (PMARSVDIN),
.PMARSVDIN2 (PMARSVDIN2),
.TSTIN (TSTIN),
.TSTOUT (TSTOUT),
.ref_clk (clk_mux_out),
.clk_out (qpll_clk_out),
.pll_locked (pll_locked)
);
endmodule
gtxe2_common/gtxe2_comm_qpll.v 0 → 100644
View file @ 886f1771
`include "gtxe2_comm_qpll_def.v"
module gtxe2_comm_qpll(
// top-level interfaces
input wire QPLLLOCKDETCLK, // shall not be used here
input wire QPLLLOCKEN,
input wire QPLLPD,
input wire QPLLRESET, // active high
output wire QPLLFBCLKLOST,
output wire QPLLLOCK,
output wire QPLLREFCLKLOST,
input wire GTRSVD,
input wire PCSRSVDIN,
input wire PCSRSVDIN2,
input wire PMARSVDIN,
input wire PMARSVDIN2,
input wire TSTIN,
output wire TSTOUT,
// internal
input wire ref_clk,
output wire clk_out,
output wire pll_locked // equals QPLLLOCK
);
parameter [23:0] QPLL_CFG = 27'h04801C7;
parameter integer QPLL_FBDIV = 10'b0000100000;
parameter integer QPLL_FBDIV_45 = 1;
parameter [23:0] QPLL_INIT_CFG = 24'h000006;
parameter [15:0] QPLL_LOCK_CFG = 16'h05E8;
parameter integer QPLL_REFCLK_DIV = 1;
parameter integer RXOUT_DIV = 1;
parameter integer TXOUT_DIV = 1;
parameter SATA_QPLL_CFG = "VCO_3000MHZ";
parameter [1:0] PMA_RSV3 = 1;
localparam multiplier = QPLL_FBDIV * QPLL_FBDIV_45;
localparam divider = QPLL_REFCLK_DIV;
assign QPLLLOCK = pll_locked;
wire fb_clk_out;
wire reset;
reg mult_clk;
reg mult_dev_clk;
assign clk_out = mult_dev_clk;
// generate internal async reset
assign reset = QPLLPD | QPLLRESET;
// apply multipliers
time last_edge; // reference clock edge's absolute time
time period; // reference clock's period
integer locked_f;
reg locked;
initial
begin
last_edge = 0;
period = 0;
forever @ (posedge ref_clk or posedge reset)
begin
period = reset ? 0 : $time - last_edge;
last_edge = reset ? 0 : $time;
end
end
initial
forever @ (posedge ref_clk)
begin
if (period > 0)
begin
locked_f = 1;
mult_clk = 1'b1;
repeat (multiplier * 2 - 1)
begin
#(period/multiplier/2)
mult_clk = ~mult_clk;
end
end
else
locked_f = 0;
end
// apply dividers
initial
begin
mult_dev_clk = 1'b1;
forever
begin
repeat (divider)
@ (mult_clk);
mult_dev_clk = ~mult_dev_clk;
end
end
// show if 'pll' is locked
always @ (posedge ref_clk or posedge reset)
begin
if (locked_f == 1 && ~reset)
begin
#`GTXE2_COMM_QPLL_LOCK_TIME;
locked <= 1'b1;
end
else
locked <= 1'b0;
end
endmodule
gtxe2_common/gtxe2_comm_qpll_def.v 0 → 100644
View file @ 886f1771
`define GTXE2_COMM_QPLL_LOCK_TIME 100
gtxe2_common/gtxe2_comm_qpll_inmux.v 0 → 100644
View file @ 886f1771
module gtxe2_comm_qpll_inmux(
input wire [2:0] QPLLREFCLKSEL,
input wire GTREFCLK0,
input wire GTREFCLK1,
input wire GTNORTHREFCLK0,
input wire GTNORTHREFCLK1,
input wire GTSOUTHREFCLK0,
input wire GTSOUTHREFCLK1,
input wire GTGREFCLK,
output wire QPLL_MUX_CLK_OUT
);
// clock multiplexer - pre-syntesis simulation only
assign QPLL_MUX_CLK_OUT = QPLLREFCLKSEL == 3'b000 ? 1'b0 // reserved
: QPLLREFCLKSEL == 3'b001 ? GTREFCLK0
: QPLLREFCLKSEL == 3'b010 ? GTREFCLK1
: QPLLREFCLKSEL == 3'b011 ? GTNORTHREFCLK0
: QPLLREFCLKSEL == 3'b100 ? GTNORTHREFCLK1
: QPLLREFCLKSEL == 3'b101 ? GTSOUTHREFCLK0
: QPLLREFCLKSEL == 3'b110 ? GTSOUTHREFCLK1
: /*CPLLREFCLKSEL == 3'b111 ?*/ GTGREFCLK;
endmodule
tb/tb.v 0 → 100644
View file @ 886f1771
`timescale 1ps/1ps
//`include "gtxe2_top.v"
//`include "gtx_sata_2.v"
`include "GTXE2_CHANNEL.v"
`include "test.v"
module tb();
wire reset;
wire TXP;
wire TXN;
wire [63:0] TXDATA;
wire TXUSRCLK;
wire TXUSRCLK2;
wire [7:0] TX8B10BBYPASS;
wire TX8B10BEN;
wire [7:0] TXCHARDISPMODE;
wire [7:0] TXCHARDISPVAL;
wire [7:0] TXCHARISK;
wire [1:0] TXBUFSTATUS;
wire TXPOLARITY;
wire [2:0] TXRATE;
wire [2:0] RXRATE;
wire TXRATEDONE;
wire TXCOMINIT;
wire TXCOMWAKE;
wire TXCOMFINISH;
wire TXELECIDLE;
wire RXP;
wire RXN;
wire RXUSRCLK;
wire RXUSRCLK2;
wire [63:0] RXDATA;
wire [1:0] RXELECIDLEMODE;
wire RXELECIDLE;
wire RXCOMINITDET;
wire RXCOMWAKEDET;
wire RXPOLARITY;
wire RXBYTEISALIGNED;
wire RXBYTEREALIGN;
wire RXCOMMADET;
wire RXCOMMADETEN;
wire RXPCOMMAALIGNEN;
wire RXMCOMMAALIGNEN;
wire RX8B10BEN;
wire [7:0] RXCHARISCOMMA;
wire [7:0] RXCHARISK;
wire [7:0] RXDISPERR;
wire [7:0] RXNOTINTABLE;
wire [2:0] CPLLREFCLKSEL;
wire GTREFCLK0;
wire GTREFCLK1;
wire GTNORTHREFCLK0;
wire GTNORTHREFCLK1;
wire GTSOUTHREFCLK0;
wire GTSOUTHREFCLK1;
wire GTGREFCLK;
wire [1:0] RXSYSCLKSEL;
wire [1:0] TXSYSCLKSEL;
wire [2:0] TXOUTCLKSEL;
wire [2:0] RXOUTCLKSEL;
wire TXDLYBYPASS;
wire GTREFCLKMONITOR;
wire CPLLLOCKDETCLK;
wire CPLLLOCKEN;
wire CPLLPD;
wire CPLLRESET;
wire CPLLFBCLKLOST;
wire CPLLLOCK;
wire CPLLREFCLKLOST;
wire TXOUTCLKPMA;
wire TXOUTCLKPCS;
wire TXOUTCLK;
wire TXOUTCLKFABRIC;
wire tx_serial_clk;
wire RXOUTCLKPMA;
wire RXOUTCLKPCS;
wire RXOUTCLK;
wire RXOUTCLKFABRIC;
wire rx_serial_clk;
wire [2:0] QPLLREFCLKSEL;
wire QPLLOUTCLK;
wire QPLLOUTREFCLK;
wire QPLLLOCKDETCLK;
wire QPLLLOCKEN;
wire QPLLPD;
wire QPLLRESET;
wire QPLLFBCLKLOST;
wire QPLLLOCK;
wire QPLLREFCLKLOST;
wire TXUSERRDY;
wire RXUSERRDY;
wire RXDFELFHOLD;
wire RXDFEAGCHOLD;
wire RXRESETDONE;
wire TXRESETDONE;
test test(
.reset (reset),
.TXP (TXP),
.TXN (TXN),
.TXDATA (TXDATA),
.TXUSRCLK (TXUSRCLK),
.TXUSRCLK2 (TXUSRCLK2),
.TX8B10BBYPASS (TX8B10BBYPASS),
.TX8B10BEN (TX8B10BEN),
.TXCHARDISPMODE (TXCHARDISPMODE),
.TXCHARDISPVAL (TXCHARDISPVAL),
.TXCHARISK (TXCHARISK),
.TXBUFSTATUS (TXBUFSTATUS),
.TXPOLARITY (TXPOLARITY),
.TXRATE (TXRATE),
.RXRATE (RXRATE),
.TXRATEDONE (TXRATEDONE),
.TXCOMINIT (TXCOMINIT),
.TXCOMWAKE (TXCOMWAKE),
.TXCOMFINISH (TXCOMFINISH),
.TXELECIDLE (TXELECIDLE),
.RXP (RXP),
.RXN (RXN),
.RXUSRCLK (RXUSRCLK),
.RXUSRCLK2 (RXUSRCLK2),
.RXDATA (RXDATA),
.RXELECIDLEMODE (RXELECIDLEMODE),
.RXELECIDLE (RXELECIDLE),
.RXCOMINITDET (RXCOMINITDET),
.RXCOMWAKEDET (RXCOMWAKEDET),
.RXPOLARITY (RXPOLARITY),
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (RXBYTEREALIGN),
.RXCOMMADET (RXCOMMADET),
.RXCOMMADETEN (RXCOMMADETEN),
.RXPCOMMAALIGNEN (RXPCOMMAALIGNEN),
.RXMCOMMAALIGNEN (RXMCOMMAALIGNEN),
.RX8B10BEN (RX8B10BEN),
.RXCHARISCOMMA (RXCHARISCOMMA),
.RXCHARISK (RXCHARISK),
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
.RXUSERRDY (RXUSERRDY),
.TXUSERRDY (TXUSERRDY),
.CPLLREFCLKSEL (CPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.RXSYSCLKSEL (RXSYSCLKSEL),
.TXSYSCLKSEL (TXSYSCLKSEL),
.TXOUTCLKSEL (TXOUTCLKSEL),
.RXOUTCLKSEL (RXOUTCLKSEL),
.TXDLYBYPASS (TXDLYBYPASS),
.GTREFCLKMONITOR (GTREFCLKMONITOR),
.CPLLLOCKDETCLK (CPLLLOCKDETCLK ),
.CPLLLOCKEN (CPLLLOCKEN),
.CPLLPD (CPLLPD),
.CPLLRESET (CPLLRESET),
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.TXOUTCLKPMA (TXOUTCLKPMA),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLK (TXOUTCLK),
.TXOUTCLKFABRIC (TXOUTCLKFABRIC),
.tx_serial_clk (tx_serial_clk),
.RXOUTCLKPMA (RXOUTCLKPMA),
.RXOUTCLKPCS (RXOUTCLKPCS),
.RXOUTCLK (RXOUTCLK),
.RXOUTCLKFABRIC (RXOUTCLKFABRIC),
.rx_serial_clk (rx_serial_clk),
.QPLLREFCLKSEL (QPLLREFCLKSEL),
.QPLLOUTCLK (QPLLOUTCLK),
.QPLLOUTREFCLK (QPLLOUTREFCLK),
.QPLLLOCKDETCLK (QPLLLOCKDETCLK ),
.QPLLLOCKEN (QPLLLOCKEN),
.QPLLPD (QPLLPD),
.QPLLRESET (QPLLRESET),
.QPLLFBCLKLOST (QPLLFBCLKLOST),
.QPLLLOCK (QPLLLOCK),
.QPLLREFCLKLOST (QPLLREFCLKLOST),
.RXDFELFHOLD (RXDFELFHOLD),
.RXDFEAGCHOLD (RXDFEAGCHOLD),
.TXRESETDONE (TXRESETDONE),
.RXRESETDONE (RXRESETDONE)
);
/*
gtxe2_top dut(
.reset (reset),
.TXP (TXP),
.TXN (TXN),
.TXDATA (TXDATA),
.TXUSRCLK (TXUSRCLK),
.TXUSRCLK2 (TXUSRCLK2),
.TX8B10BBYPASS (TX8B10BBYPASS),
.TX8B10BEN (TX8B10BEN),
.TXCHARDISPMODE (TXCHARDISPMODE),
.TXCHARDISPVAL (TXCHARDISPVAL),
.TXCHARISK (TXCHARISK),
.TXBUFSTATUS (TXBUFSTATUS),
.TXPOLARITY (TXPOLARITY),
.TXRATE (TXRATE),
.RXRATE (RXRATE),
.TXRATEDONE (TXRATEDONE),
.TXCOMINIT (TXCOMINIT),
.TXCOMWAKE (TXCOMWAKE),
.TXCOMFINISH (TXCOMFINISH),
.TXELECIDLE (TXELECIDLE),
.RXP (RXP),
.RXN (RXN),
.RXUSRCLK (RXUSRCLK),
.RXUSRCLK2 (RXUSRCLK2),
.RXDATA (RXDATA),
.RXELECIDLEMODE (RXELECIDLEMODE),
.RXELECIDLE (RXELECIDLE),
.RXCOMINITDET (RXCOMINITDET),
.RXCOMWAKEDET (RXCOMWAKEDET),
.RXPOLARITY (RXPOLARITY),
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (RXBYTEREALIGN),
.RXCOMMADET (RXCOMMADET),
.RXCOMMADETEN (RXCOMMADETEN),
.RXPCOMMAALIGNEN (RXPCOMMAALIGNEN),
.RXMCOMMAALIGNEN (RXMCOMMAALIGNEN),
.RX8B10BEN (RX8B10BEN),
.RXCHARISCOMMA (RXCHARISCOMMA),
.RXCHARISK (RXCHARISK),
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
.CPLLREFCLKSEL (CPLLREFCLKSEL),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (GTREFCLK1),
.GTNORTHREFCLK0 (GTNORTHREFCLK0),
.GTNORTHREFCLK1 (GTNORTHREFCLK1),
.GTSOUTHREFCLK0 (GTSOUTHREFCLK0),
.GTSOUTHREFCLK1 (GTSOUTHREFCLK1),
.GTGREFCLK (GTGREFCLK),
.RXSYSCLKSEL (RXSYSCLKSEL),
.TXSYSCLKSEL (TXSYSCLKSEL),
.TXOUTCLKSEL (TXOUTCLKSEL),
.RXOUTCLKSEL (RXOUTCLKSEL),
.TXDLYBYPASS (TXDLYBYPASS),
.GTREFCLKMONITOR (GTREFCLKMONITOR),
.CPLLLOCKDETCLK (CPLLLOCKDETCLK ),
.CPLLLOCKEN (CPLLLOCKEN),
.CPLLPD (CPLLPD),
.CPLLRESET (CPLLRESET),
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.TXOUTCLKPMA (TXOUTCLKPMA),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLK (TXOUTCLK),
.TXOUTCLKFABRIC (TXOUTCLKFABRIC),
.tx_serial_clk (tx_serial_clk),
.RXOUTCLKPMA (RXOUTCLKPMA),
.RXOUTCLKPCS (RXOUTCLKPCS),
.RXOUTCLK (RXOUTCLK),
.RXOUTCLKFABRIC (RXOUTCLKFABRIC),
.rx_serial_clk (rx_serial_clk),
.QPLLREFCLKSEL (QPLLREFCLKSEL),
.QPLLOUTCLK (QPLLOUTCLK),
.QPLLOUTREFCLK (QPLLOUTREFCLK),
.QPLLLOCKDETCLK (QPLLLOCKDETCLK ),
.QPLLLOCKEN (QPLLLOCKEN),
.QPLLPD (QPLLPD),
.QPLLRESET (QPLLRESET),
.QPLLFBCLKLOST (QPLLFBCLKLOST),
.QPLLLOCK (QPLLLOCK),
.QPLLREFCLKLOST (QPLLREFCLKLOST)
);
*/
wire tied_to_vcc_i = 1'b1;
wire tied_to_ground_i = 1'b0;
wire [31:0] tied_to_ground_vec_i = 32'h00000000;
GTXE2_CHANNEL #
(
//_______________________ Simulation-Only Attributes __________________
.SIM_RECEIVER_DETECT_PASS ("TRUE"),
.SIM_TX_EIDLE_DRIVE_LEVEL ("X"),
.SIM_RESET_SPEEDUP ("FALSE"),
.SIM_CPLLREFCLK_SEL (3'b001),
.SIM_VERSION ("4.0"),
//----------------RX Byte and Word Alignment Attributes---------------
.ALIGN_COMMA_DOUBLE ("FALSE"),
.ALIGN_COMMA_ENABLE (10'b1111111111),
.ALIGN_COMMA_WORD (1),
.ALIGN_MCOMMA_DET ("TRUE"),
.ALIGN_MCOMMA_VALUE (10'b1010000011),
.ALIGN_PCOMMA_DET ("TRUE"),
.ALIGN_PCOMMA_VALUE (10'b0101111100),
.SHOW_REALIGN_COMMA ("TRUE"),
.RXSLIDE_AUTO_WAIT (7),
.RXSLIDE_MODE ("OFF"),
.RX_SIG_VALID_DLY (10),
//----------------RX 8B/10B Decoder Attributes---------------
.RX_DISPERR_SEQ_MATCH ("TRUE"),
.DEC_MCOMMA_DETECT ("TRUE"),
.DEC_PCOMMA_DETECT ("TRUE"),
.DEC_VALID_COMMA_ONLY ("FALSE"),
//----------------------RX Clock Correction Attributes----------------------
.CBCC_DATA_SOURCE_SEL ("DECODED"),
.CLK_COR_SEQ_2_USE ("FALSE"),
.CLK_COR_KEEP_IDLE ("FALSE"),
.CLK_COR_MAX_LAT (9),
.CLK_COR_MIN_LAT (7),
.CLK_COR_PRECEDENCE ("TRUE"),
.CLK_COR_REPEAT_WAIT (0),
.CLK_COR_SEQ_LEN (1),
.CLK_COR_SEQ_1_ENABLE (4'b1111),
.CLK_COR_SEQ_1_1 (10'b0100000000),
.CLK_COR_SEQ_1_2 (10'b0000000000),
.CLK_COR_SEQ_1_3 (10'b0000000000),
.CLK_COR_SEQ_1_4 (10'b0000000000),
.CLK_CORRECT_USE ("FALSE"),
.CLK_COR_SEQ_2_ENABLE (4'b1111),
.CLK_COR_SEQ_2_1 (10'b0100000000),
.CLK_COR_SEQ_2_2 (10'b0000000000),
.CLK_COR_SEQ_2_3 (10'b0000000000),
.CLK_COR_SEQ_2_4 (10'b0000000000),
//----------------------RX Channel Bonding Attributes----------------------
.CHAN_BOND_KEEP_ALIGN ("FALSE"),
.CHAN_BOND_MAX_SKEW (1),
.CHAN_BOND_SEQ_LEN (1),
.CHAN_BOND_SEQ_1_1 (10'b0000000000),
.CHAN_BOND_SEQ_1_2 (10'b0000000000),
.CHAN_BOND_SEQ_1_3 (10'b0000000000),
.CHAN_BOND_SEQ_1_4 (10'b0000000000),
.CHAN_BOND_SEQ_1_ENABLE (4'b1111),
.CHAN_BOND_SEQ_2_1 (10'b0000000000),
.CHAN_BOND_SEQ_2_2 (10'b0000000000),
.CHAN_BOND_SEQ_2_3 (10'b0000000000),
.CHAN_BOND_SEQ_2_4 (10'b0000000000),
.CHAN_BOND_SEQ_2_ENABLE (4'b1111),
.CHAN_BOND_SEQ_2_USE ("FALSE"),
.FTS_DESKEW_SEQ_ENABLE (4'b1111),
.FTS_LANE_DESKEW_CFG (4'b1111),
.FTS_LANE_DESKEW_EN ("FALSE"),
//-------------------------RX Margin Analysis Attributes----------------------------
.ES_CONTROL (6'b000000),
.ES_ERRDET_EN ("FALSE"),
.ES_EYE_SCAN_EN ("TRUE"),
.ES_HORZ_OFFSET (12'h000),
.ES_PMA_CFG (10'b0000000000),
.ES_PRESCALE (5'b00000),
.ES_QUALIFIER (80'h00000000000000000000),
.ES_QUAL_MASK (80'h00000000000000000000),
.ES_SDATA_MASK (80'h00000000000000000000),
.ES_VERT_OFFSET (9'b000000000),
//-----------------------FPGA RX Interface Attributes-------------------------
.RX_DATA_WIDTH (20),
//-------------------------PMA Attributes----------------------------
.OUTREFCLK_SEL_INV (2'b11),
.PMA_RSV (32'h00018480),
.PMA_RSV2 (16'h2050),
.PMA_RSV3 (2'b00),
.PMA_RSV4 (32'h00000000),
.RX_BIAS_CFG (12'b000000000100),
.DMONITOR_CFG (24'h000A00),
.RX_CM_SEL (2'b11),
.RX_CM_TRIM (3'b010),
.RX_DEBUG_CFG (12'b000000000000),
.RX_OS_CFG (13'b0000010000000),
.TERM_RCAL_CFG (5'b10000),
.TERM_RCAL_OVRD (1'b0),
.TST_RSV (32'h00000000),
.RX_CLK25_DIV (6),
.TX_CLK25_DIV (6),
.UCODEER_CLR (1'b0),
//-------------------------PCI Express Attributes----------------------------
.PCS_PCIE_EN ("FALSE"),
//-------------------------PCS Attributes----------------------------
.PCS_RSVD_ATTR (48'h0100),
//-----------RX Buffer Attributes------------
.RXBUF_ADDR_MODE ("FAST"),
.RXBUF_EIDLE_HI_CNT (4'b1000),
.RXBUF_EIDLE_LO_CNT (4'b0000),
.RXBUF_EN ("TRUE"),
.RX_BUFFER_CFG (6'b000000),
.RXBUF_RESET_ON_CB_CHANGE ("TRUE"),
.RXBUF_RESET_ON_COMMAALIGN ("FALSE"),
.RXBUF_RESET_ON_EIDLE ("FALSE"),
.RXBUF_RESET_ON_RATE_CHANGE ("TRUE"),
.RXBUFRESET_TIME (5'b00001),
.RXBUF_THRESH_OVFLW (61),
.RXBUF_THRESH_OVRD ("FALSE"),
.RXBUF_THRESH_UNDFLW (4),
.RXDLY_CFG (16'h001F),
.RXDLY_LCFG (9'h030),
.RXDLY_TAP_CFG (16'h0000),
.RXPH_CFG (24'h000000),
.RXPHDLY_CFG (24'h084020),
.RXPH_MONITOR_SEL (5'b00000),
.RX_XCLK_SEL ("RXREC"),
.RX_DDI_SEL (6'b000000),
.RX_DEFER_RESET_BUF_EN ("TRUE"),
//---------------------CDR Attributes-------------------------
//For Display Port, HBR/RBR- set RXCDR_CFG=72'h0380008bff40200008
//For Display Port, HBR2 - set RXCDR_CFG=72'h038c008bff20200010
//For SATA Gen1 GTX- set RXCDR_CFG=72'h03_8000_8BFF_4010_0008
//For SATA Gen2 GTX- set RXCDR_CFG=72'h03_8800_8BFF_4020_0008
//For SATA Gen3 GTX- set RXCDR_CFG=72'h03_8000_8BFF_1020_0010
//For SATA Gen3 GTP- set RXCDR_CFG=83'h0_0000_87FE_2060_2444_1010
//For SATA Gen2 GTP- set RXCDR_CFG=83'h0_0000_47FE_2060_2448_1010
//For SATA Gen1 GTP- set RXCDR_CFG=83'h0_0000_47FE_1060_2448_1010
.RXCDR_CFG (72'h03000023ff10200020),
.RXCDR_FR_RESET_ON_EIDLE (1'b0),
.RXCDR_HOLD_DURING_EIDLE (1'b0),
.RXCDR_PH_RESET_ON_EIDLE (1'b0),
.RXCDR_LOCK_CFG (6'b010101),
//-----------------RX Initialization and Reset Attributes-------------------
.RXCDRFREQRESET_TIME (5'b00001),
.RXCDRPHRESET_TIME (5'b00001),
.RXISCANRESET_TIME (5'b00001),
.RXPCSRESET_TIME (5'b00001),
.RXPMARESET_TIME (5'b00011),
//-----------------RX OOB Signaling Attributes-------------------
.RXOOB_CFG (7'b0000110),
//-----------------------RX Gearbox Attributes---------------------------
.RXGEARBOX_EN ("FALSE"),
.GEARBOX_MODE (3'b000),
//-----------------------PRBS Detection Attribute-----------------------
.RXPRBS_ERR_LOOPBACK (1'b0),
//-----------Power-Down Attributes----------
.PD_TRANS_TIME_FROM_P2 (12'h03c),
.PD_TRANS_TIME_NONE_P2 (8'h3c),
.PD_TRANS_TIME_TO_P2 (8'h64),
//-----------RX OOB Signaling Attributes----------
.SAS_MAX_COM (64),
.SAS_MIN_COM (36),
.SATA_BURST_SEQ_LEN (4'b0111),
.SATA_BURST_VAL (3'b110),
.SATA_EIDLE_VAL (3'b110),
.SATA_MAX_BURST (8),
.SATA_MAX_INIT (21),
.SATA_MAX_WAKE (7),
.SATA_MIN_BURST (4),
.SATA_MIN_INIT (12),
.SATA_MIN_WAKE (4),
//-----------RX Fabric Clock Output Control Attributes----------
.TRANS_TIME_RATE (8'h0E),
//------------TX Buffer Attributes----------------
.TXBUF_EN ("TRUE"),
.TXBUF_RESET_ON_RATE_CHANGE ("TRUE"),
.TXDLY_CFG (16'h001F),
.TXDLY_LCFG (9'h030),
.TXDLY_TAP_CFG (16'h0000),
.TXPH_CFG (16'h0780),
.TXPHDLY_CFG (24'h084020),
.TXPH_MONITOR_SEL (5'b00000),
.TX_XCLK_SEL ("TXOUT"),
//-----------------------FPGA TX Interface Attributes-------------------------
.TX_DATA_WIDTH (20),
//-----------------------TX Configurable Driver Attributes-------------------------
.TX_DEEMPH0 (5'b00000),
.TX_DEEMPH1 (5'b00000),
.TX_EIDLE_ASSERT_DELAY (3'b110),
.TX_EIDLE_DEASSERT_DELAY (3'b100),
.TX_LOOPBACK_DRIVE_HIZ ("FALSE"),
.TX_MAINCURSOR_SEL (1'b0),
.TX_DRIVE_MODE ("DIRECT"),
.TX_MARGIN_FULL_0 (7'b1001110),
.TX_MARGIN_FULL_1 (7'b1001001),
.TX_MARGIN_FULL_2 (7'b1000101),
.TX_MARGIN_FULL_3 (7'b1000010),
.TX_MARGIN_FULL_4 (7'b1000000),
.TX_MARGIN_LOW_0 (7'b1000110),
.TX_MARGIN_LOW_1 (7'b1000100),
.TX_MARGIN_LOW_2 (7'b1000010),
.TX_MARGIN_LOW_3 (7'b1000000),
.TX_MARGIN_LOW_4 (7'b1000000),
//-----------------------TX Gearbox Attributes--------------------------
.TXGEARBOX_EN ("FALSE"),
//-----------------------TX Initialization and Reset Attributes--------------------------
.TXPCSRESET_TIME (5'b00001),
.TXPMARESET_TIME (5'b00001),
//-----------------------TX Receiver Detection Attributes--------------------------
.TX_RXDETECT_CFG (14'h1832),
.TX_RXDETECT_REF (3'b100),
//--------------------------CPLL Attributes----------------------------
.CPLL_CFG (24'hBC07DC),
.CPLL_FBDIV (4),
.CPLL_FBDIV_45 (5),
.CPLL_INIT_CFG (24'h00001E),
.CPLL_LOCK_CFG (16'h01E8),
.CPLL_REFCLK_DIV (1),
.RXOUT_DIV (2),
.TXOUT_DIV (2),
.SATA_CPLL_CFG ("VCO_3000MHZ"),
//------------RX Initialization and Reset Attributes-------------
.RXDFELPMRESET_TIME (7'b0001111),
//------------RX Equalizer Attributes-------------
.RXLPM_HF_CFG (14'b00000011110000),
.RXLPM_LF_CFG (14'b00000011110000),
.RX_DFE_GAIN_CFG (23'h020FEA),
.RX_DFE_H2_CFG (12'b000000000000),
.RX_DFE_H3_CFG (12'b000001000000),
.RX_DFE_H4_CFG (11'b00011110000),
.RX_DFE_H5_CFG (11'b00011100000),
.RX_DFE_KL_CFG (13'b0000011111110),
.RX_DFE_LPM_CFG (16'h0954),
.RX_DFE_LPM_HOLD_DURING_EIDLE (1'b0),
.RX_DFE_UT_CFG (17'b10001111000000000),
.RX_DFE_VP_CFG (17'b00011111100000011),
//-----------------------Power-Down Attributes-------------------------
.RX_CLKMUX_PD (1'b1),
.TX_CLKMUX_PD (1'b1),
//-----------------------FPGA RX Interface Attribute-------------------------
.RX_INT_DATAWIDTH (0),
//-----------------------FPGA TX Interface Attribute-------------------------
.TX_INT_DATAWIDTH (0),
//----------------TX Configurable Driver Attributes---------------
.TX_QPI_STATUS_EN (1'b0),
//-----------------------RX Equalizer Attributes--------------------------
.RX_DFE_KL_CFG2 (32'h301148AC),
.RX_DFE_XYD_CFG (13'b0000000000000),
//-----------------------TX Configurable Driver Attributes--------------------------
.TX_PREDRIVER_MODE (1'b0)
)
dut
(
//------------------------------- CPLL Ports -------------------------------
.CPLLFBCLKLOST (CPLLFBCLKLOST),
.CPLLLOCK (CPLLLOCK),
.CPLLLOCKDETCLK (CPLLLOCKDETCLK),
.CPLLLOCKEN (tied_to_vcc_i),
.CPLLPD (CPLLPD),
.CPLLREFCLKLOST (CPLLREFCLKLOST),
.CPLLREFCLKSEL (3'b001),
.CPLLRESET (CPLLRESET),
.GTRSVD (16'b0000000000000000),
.PCSRSVDIN (16'b0000000000000000),
.PCSRSVDIN2 (5'b00000),
.PMARSVDIN (5'b00000),
.PMARSVDIN2 (5'b00000),
.TSTIN (20'b11111111111111111111),
.TSTOUT (),
//-------------------------------- Channel ---------------------------------
.CLKRSVD (4'b0000),
//------------------------ Channel - Clocking Ports ------------------------
.GTGREFCLK (tied_to_ground_i),
.GTNORTHREFCLK0 (tied_to_ground_i),
.GTNORTHREFCLK1 (tied_to_ground_i),
.GTREFCLK0 (GTREFCLK0),
.GTREFCLK1 (tied_to_ground_i),
.GTSOUTHREFCLK0 (tied_to_ground_i),
.GTSOUTHREFCLK1 (tied_to_ground_i),
//-------------------------- Channel - DRP Ports --------------------------
.DRPADDR (1'b0),
.DRPCLK (CPLLLOCKDETCKL),
.DRPDI (1'b0),
.DRPDO (),
.DRPEN (1'b0),
.DRPRDY (),
.DRPWE (1'b0),
//----------------------------- Clocking Ports -----------------------------
.GTREFCLKMONITOR (),
.QPLLCLK (GTREFCLK0),
.QPLLREFCLK (GTREFCLK0),
.RXSYSCLKSEL (2'b00),
.TXSYSCLKSEL (2'b00),
//------------------------- Digital Monitor Ports --------------------------
.DMONITOROUT (DMONITOROUT),
//--------------- FPGA TX Interface Datapath Configuration ----------------
.TX8B10BEN (tied_to_vcc_i),
//----------------------------- Loopback Ports -----------------------------
.LOOPBACK (tied_to_ground_vec_i[2:0]),
//--------------------------- PCI Express Ports ----------------------------
.PHYSTATUS (),
.RXRATE (tied_to_ground_vec_i[2:0]),
.RXVALID (),
//---------------------------- Power-Down Ports ----------------------------
.RXPD (2'b00),
.TXPD (2'b00),
//------------------------ RX 8B/10B Decoder Ports -------------------------
.SETERRSTATUS (tied_to_ground_i),
//------------------- RX Initialization and Reset Ports --------------------
.EYESCANRESET (reset),
.RXUSERRDY (RXUSERRDY),
//------------------------ RX Margin Analysis Ports ------------------------
.EYESCANDATAERROR (EYESCANDATAERROR),
.EYESCANMODE (tied_to_ground_i),
.EYESCANTRIGGER (1'b0),
//----------------------- Receive Ports - CDR Ports ------------------------
.RXCDRFREQRESET (tied_to_ground_i),
.RXCDRHOLD (tied_to_ground_i),
.RXCDRLOCK (),
.RXCDROVRDEN (tied_to_ground_i),
.RXCDRRESET (tied_to_ground_i),
.RXCDRRESETRSV (tied_to_ground_i),
//----------------- Receive Ports - Clock Correction Ports -----------------
.RXCLKCORCNT (),
//-------- Receive Ports - FPGA RX Interface Datapath Configuration --------
.RX8B10BEN (tied_to_vcc_i),
//---------------- Receive Ports - FPGA RX Interface Ports -----------------
.RXUSRCLK (RXUSRCLK),
.RXUSRCLK2 (RXUSRCLK2),
//---------------- Receive Ports - FPGA RX interface Ports -----------------
.RXDATA (RXDATA),
//----------------- Receive Ports - Pattern Checker Ports ------------------
.RXPRBSERR (),
.RXPRBSSEL (tied_to_ground_vec_i[2:0]),
//----------------- Receive Ports - Pattern Checker ports ------------------
.RXPRBSCNTRESET (tied_to_ground_i),
//------------------ Receive Ports - RX Equalizer Ports -------------------
.RXDFEXYDEN (tied_to_vcc_i),
.RXDFEXYDHOLD (tied_to_ground_i),
.RXDFEXYDOVRDEN (tied_to_ground_i),
//---------------- Receive Ports - RX 8B/10B Decoder Ports -----------------
.RXDISPERR (RXDISPERR),
.RXNOTINTABLE (RXNOTINTABLE),
//------------------------- Receive Ports - RX AFE -------------------------
.GTXRXP (RXP),
//---------------------- Receive Ports - RX AFE Ports ----------------------
.GTXRXN (RXN),
//----------------- Receive Ports - RX Buffer Bypass Ports -----------------
.RXBUFRESET (tied_to_ground_i),
.RXBUFSTATUS (),
.RXDDIEN (tied_to_ground_i),
.RXDLYBYPASS (tied_to_vcc_i),
.RXDLYEN (tied_to_ground_i),
.RXDLYOVRDEN (tied_to_ground_i),
.RXDLYSRESET (tied_to_ground_i),
.RXDLYSRESETDONE (),
.RXPHALIGN (tied_to_ground_i),
.RXPHALIGNDONE (),
.RXPHALIGNEN (tied_to_ground_i),
.RXPHDLYPD (tied_to_ground_i),
.RXPHDLYRESET (tied_to_ground_i),
.RXPHMONITOR (),
.RXPHOVRDEN (tied_to_ground_i),
.RXPHSLIPMONITOR (),
.RXSTATUS (RXSTATUS),
//------------ Receive Ports - RX Byte and Word Alignment Ports ------------
.RXBYTEISALIGNED (RXBYTEISALIGNED),
.RXBYTEREALIGN (),
.RXCOMMADET (),
.RXCOMMADETEN (tied_to_vcc_i),
.RXMCOMMAALIGNEN (tied_to_vcc_i),
.RXPCOMMAALIGNEN (tied_to_vcc_i),
//---------------- Receive Ports - RX Channel Bonding Ports ----------------
.RXCHANBONDSEQ (),
.RXCHBONDEN (tied_to_ground_i),
.RXCHBONDLEVEL (tied_to_ground_vec_i[2:0]),
.RXCHBONDMASTER (tied_to_ground_i),
.RXCHBONDO (),
.RXCHBONDSLAVE (tied_to_ground_i),
//--------------- Receive Ports - RX Channel Bonding Ports ----------------
.RXCHANISALIGNED (),
.RXCHANREALIGN (),
//------------------ Receive Ports - RX Equailizer Ports -------------------
.RXLPMHFHOLD (tied_to_ground_i),
.RXLPMHFOVRDEN (tied_to_ground_i),
.RXLPMLFHOLD (tied_to_ground_i),
//------------------- Receive Ports - RX Equalizer Ports -------------------
.RXDFEAGCHOLD (RXDFEAGCHOLD),
.RXDFEAGCOVRDEN (tied_to_ground_i),
.RXDFECM1EN (tied_to_ground_i),
.RXDFELFHOLD (RXDFELFHOLD),
.RXDFELFOVRDEN (tied_to_vcc_i),
.RXDFELPMRESET (reset),
.RXDFETAP2HOLD (tied_to_ground_i),
.RXDFETAP2OVRDEN (tied_to_ground_i),
.RXDFETAP3HOLD (tied_to_ground_i),
.RXDFETAP3OVRDEN (tied_to_ground_i),
.RXDFETAP4HOLD (tied_to_ground_i),
.RXDFETAP4OVRDEN (tied_to_ground_i),
.RXDFETAP5HOLD (tied_to_ground_i),
.RXDFETAP5OVRDEN (tied_to_ground_i),
.RXDFEUTHOLD (tied_to_ground_i),
.RXDFEUTOVRDEN (tied_to_ground_i),
.RXDFEVPHOLD (tied_to_ground_i),
.RXDFEVPOVRDEN (tied_to_ground_i),
.RXDFEVSEN (tied_to_ground_i),
.RXLPMLFKLOVRDEN (tied_to_ground_i),
.RXMONITOROUT (RXMONITOROUT),
.RXMONITORSEL (RXMONITORSEL),
.RXOSHOLD (tied_to_ground_i),
.RXOSOVRDEN (tied_to_ground_i),
//---------- Receive Ports - RX Fabric ClocK Output Control Ports ----------
.RXRATEDONE (),
//------------- Receive Ports - RX Fabric Output Control Ports -------------
.RXOUTCLK (RXOUTCLK),
.RXOUTCLKFABRIC (),
.RXOUTCLKPCS (),
.RXOUTCLKSEL (3'b010),
//-------------------- Receive Ports - RX Gearbox Ports --------------------
.RXDATAVALID (),
.RXHEADER (),
.RXHEADERVALID (),
.RXSTARTOFSEQ (),
//------------------- Receive Ports - RX Gearbox Ports --------------------
.RXGEARBOXSLIP (tied_to_ground_i),
//----------- Receive Ports - RX Initialization and Reset Ports ------------
.GTRXRESET (reset),
.RXOOBRESET (tied_to_ground_i),
.RXPCSRESET (tied_to_ground_i),
.RXPMARESET (reset),
//---------------- Receive Ports - RX Margin Analysis ports ----------------
.RXLPMEN (tied_to_ground_i),
//----------------- Receive Ports - RX OOB Signaling ports -----------------
.RXCOMSASDET (),
.RXCOMWAKEDET (RXCOMWAKEDET),
//---------------- Receive Ports - RX OOB Signaling ports -----------------
.RXCOMINITDET (RXCOMINITDET),
//---------------- Receive Ports - RX OOB signalling Ports -----------------
.RXELECIDLE (RXELECIDLE),
.RXELECIDLEMODE (2'b00),
//--------------- Receive Ports - RX Polarity Control Ports ----------------
.RXPOLARITY (tied_to_ground_i),
//-------------------- Receive Ports - RX gearbox ports --------------------
.RXSLIDE (tied_to_ground_i),
//----------------- Receive Ports - RX8B/10B Decoder Ports -----------------
.RXCHARISCOMMA (),
.RXCHARISK (RXCHARISK),
//---------------- Receive Ports - Rx Channel Bonding Ports ----------------
.RXCHBONDI (5'b00000),
//------------ Receive Ports -RX Initialization and Reset Ports ------------
.RXRESETDONE (RXRESETDONE),
//------------------------------ Rx AFE Ports ------------------------------
.RXQPIEN (tied_to_ground_i),
.RXQPISENN (),
.RXQPISENP (),
//------------------------- TX Buffer Bypass Ports -------------------------
.TXPHDLYTSTCLK (tied_to_ground_i),
//---------------------- TX Configurable Driver Ports ----------------------
.TXPOSTCURSOR (5'b00000),
.TXPOSTCURSORINV (tied_to_ground_i),
.TXPRECURSOR (tied_to_ground_vec_i[4:0]),
.TXPRECURSORINV (tied_to_ground_i),
.TXQPIBIASEN (tied_to_ground_i),
.TXQPISTRONGPDOWN (tied_to_ground_i),
.TXQPIWEAKPUP (tied_to_ground_i),
//------------------- TX Initialization and Reset Ports --------------------
.CFGRESET (tied_to_ground_i),
.GTTXRESET (reset),
.PCSRSVDOUT (),
.TXUSERRDY (TXUSERRDY),
//-------------------- Transceiver Reset Mode Operation --------------------
.GTRESETSEL (tied_to_ground_i),
.RESETOVRD (tied_to_ground_i),
//-------------- Transmit Ports - 8b10b Encoder Control Ports --------------
.TXCHARDISPMODE (tied_to_ground_vec_i[7:0]),
.TXCHARDISPVAL (tied_to_ground_vec_i[7:0]),
//---------------- Transmit Ports - FPGA TX Interface Ports ----------------
.TXUSRCLK (TXUSRCLK),
.TXUSRCLK2 (TXUSRCLK2),
//------------------- Transmit Ports - PCI Express Ports -------------------
.TXELECIDLE (TXELECIDLE),
.TXMARGIN (tied_to_ground_vec_i[2:0]),
.TXRATE (tied_to_ground_vec_i[2:0]),
.TXSWING (tied_to_ground_i),
//---------------- Transmit Ports - Pattern Generator Ports ----------------
.TXPRBSFORCEERR (tied_to_ground_i),
//---------------- Transmit Ports - TX Buffer Bypass Ports -----------------
.TXDLYBYPASS (tied_to_vcc_i),
.TXDLYEN (tied_to_ground_i),
.TXDLYHOLD (tied_to_ground_i),
.TXDLYOVRDEN (tied_to_ground_i),
.TXDLYSRESET (tied_to_ground_i),
.TXDLYSRESETDONE (),
.TXDLYUPDOWN (tied_to_ground_i),
.TXPHALIGN (tied_to_ground_i),
.TXPHALIGNDONE (),
.TXPHALIGNEN (tied_to_ground_i),
.TXPHDLYPD (tied_to_ground_i),
.TXPHDLYRESET (tied_to_ground_i),
.TXPHINIT (tied_to_ground_i),
.TXPHINITDONE (),
.TXPHOVRDEN (tied_to_ground_i),
//-------------------- Transmit Ports - TX Buffer Ports --------------------
.TXBUFSTATUS (),
//------------- Transmit Ports - TX Configurable Driver Ports --------------
.TXBUFDIFFCTRL (3'b100),
.TXDEEMPH (tied_to_ground_i),
.TXDIFFCTRL (4'b1000),
.TXDIFFPD (tied_to_ground_i),
.TXINHIBIT (tied_to_ground_i),
.TXMAINCURSOR (7'b0000000),
.TXPISOPD (tied_to_ground_i),
//---------------- Transmit Ports - TX Data Path interface -----------------
.TXDATA (TXDATA),
//-------------- Transmit Ports - TX Driver and OOB signaling --------------
.GTXTXN (TXN),
.GTXTXP (TXP),
//--------- Transmit Ports - TX Fabric Clock Output Control Ports ----------
.TXOUTCLK (TXOUTCLK),
.TXOUTCLKFABRIC (TXOUTCLKFABRIC),
.TXOUTCLKPCS (TXOUTCLKPCS),
.TXOUTCLKSEL (3'b010),
.TXRATEDONE (),
//------------------- Transmit Ports - TX Gearbox Ports --------------------
.TXCHARISK (TXCHARISK),
.TXGEARBOXREADY (),
.TXHEADER (tied_to_ground_vec_i[2:0]),
.TXSEQUENCE (tied_to_ground_vec_i[6:0]),
.TXSTARTSEQ (tied_to_ground_i),
//----------- Transmit Ports - TX Initialization and Reset Ports -----------
.TXPCSRESET (tied_to_ground_i),
.TXPMARESET (tied_to_ground_i),
.TXRESETDONE (TXRESETDONE),
//---------------- Transmit Ports - TX OOB signalling Ports ----------------
.TXCOMFINISH (TXCOMFINISH),
.TXCOMINIT (TXCOMINIT),
.TXCOMSAS (tied_to_ground_i),
.TXCOMWAKE (TXCOMWAKE),
.TXPDELECIDLEMODE (tied_to_ground_i),
//--------------- Transmit Ports - TX Polarity Control Ports ---------------
.TXPOLARITY (tied_to_ground_i),
//------------- Transmit Ports - TX Receiver Detection Ports --------------
.TXDETECTRX (tied_to_ground_i),
//---------------- Transmit Ports - TX8b/10b Encoder Ports -----------------
.TX8B10BBYPASS (tied_to_ground_vec_i[7:0]),
//---------------- Transmit Ports - pattern Generator Ports ----------------
.TXPRBSSEL (tied_to_ground_vec_i[2:0]),
//--------------------- Tx Configurable Driver Ports ----------------------
.TXQPISENN (),
.TXQPISENP ()
);
/*
gtx_sata_2 dut
(
.sysclk_in (GTREFCLK0),
.soft_reset_in (reset),
.dont_reset_on_data_error_in (1'b1),
.gt0_tx_fsm_reset_done_out (),
.gt0_rx_fsm_reset_done_out (),
.gt0_data_valid_in (1'b1),
//_________________________________________________________________________
//GT0 (X1Y0)
//____________________________CHANNEL PORTS________________________________
//------------------------------- CPLL Ports -------------------------------
.gt0_cpllfbclklost_out (CPLLFBCLKLOST),
.gt0_cplllock_out (CPLLLOCK),
.gt0_cplllockdetclk_in (CPLLLOCKDETCLK),
.gt0_cpllreset_in (CPLLRESET),
//------------------------ Channel - Clocking Ports ------------------------
.gt0_gtrefclk0_in (GTREFCLK0),
//-------------------------- Channel - DRP Ports --------------------------
.gt0_drpaddr_in (1'b0),
.gt0_drpclk_in (CPLLLOCKDETCLK),
.gt0_drpdi_in (1'b0),
.gt0_drpdo_out (),
.gt0_drpen_in (1'b0),
.gt0_drprdy_out (),
.gt0_drpwe_in (1'b0),
//------------------------- Digital Monitor Ports --------------------------
.gt0_dmonitorout_out (),
//--------------------------- PCI Express Ports ----------------------------
.gt0_rxrate_in (RXRATE),
//------------------- RX Initialization and Reset Ports --------------------
.gt0_eyescanreset_in (reset),
.gt0_rxuserrdy_in (RXUSERRDY),
//------------------------ RX Margin Analysis Ports ------------------------
.gt0_eyescandataerror_out (),
.gt0_eyescantrigger_in (1'b0),
//---------------- Receive Ports - FPGA RX Interface Ports -----------------
.gt0_rxusrclk_in (RXUSRCLK),
.gt0_rxusrclk2_in (RXUSRCLK2),
//---------------- Receive Ports - FPGA RX interface Ports -----------------
.gt0_rxdata_out (RXDATA),
//---------------- Receive Ports - RX 8B/10B Decoder Ports -----------------
.gt0_rxdisperr_out (RXDISPERR),
.gt0_rxnotintable_out (RXNOTINTABLE),
//------------------------- Receive Ports - RX AFE -------------------------
.gt0_gtxrxp_in (RXP),
//---------------------- Receive Ports - RX AFE Ports ----------------------
.gt0_gtxrxn_in (RXN),
//----------------- Receive Ports - RX Buffer Bypass Ports -----------------
.gt0_rxphmonitor_out (RXPHMONITOR),
.gt0_rxphslipmonitor_out (RXPHSLIPMONITOR),
//------------ Receive Ports - RX Byte and Word Alignment Ports ------------
.gt0_rxbyteisaligned_out (RXBYTEISALIGNED),
.gt0_rxbyterealign_out (RXBYTEREALIGN),
.gt0_rxcommadet_out (RXCOMMADET),
//------------------- Receive Ports - RX Equalizer Ports -------------------
.gt0_rxdfelpmreset_in (reset),
.gt0_rxmonitorout_out (RXMONITOROUT),
.gt0_rxmonitorsel_in (1'b0),
//---------- Receive Ports - RX Fabric ClocK Output Control Ports ----------
.gt0_rxratedone_out (RXRATEDONE),
//------------- Receive Ports - RX Fabric Output Control Ports -------------
.gt0_rxoutclk_out (RXOUTCLK),
//----------- Receive Ports - RX Initialization and Reset Ports ------------
.gt0_gtrxreset_in (reset),
.gt0_rxpmareset_in (reset),
//----------------- Receive Ports - RX OOB Signaling ports -----------------
.gt0_rxcomwakedet_out (RXCOMWAKEDET),
//---------------- Receive Ports - RX OOB Signaling ports -----------------
.gt0_rxcominitdet_out (RXCOMINITDET),
//---------------- Receive Ports - RX OOB signalling Ports -----------------
.gt0_rxelecidle_out (RXELECIDLE),
//----------------- Receive Ports - RX8B/10B Decoder Ports -----------------
.gt0_rxchariscomma_out (RXCHARISCOMMA),
.gt0_rxcharisk_out (RXCHARISK),
//------------ Receive Ports -RX Initialization and Reset Ports ------------
.gt0_rxresetdone_out (RXRESETDONE),
//------------------- TX Initialization and Reset Ports --------------------
.gt0_gttxreset_in (reset),
.gt0_txuserrdy_in (TXUSERRDY),
//---------------- Transmit Ports - FPGA TX Interface Ports ----------------
.gt0_txusrclk_in (TXUSRCLK),
.gt0_txusrclk2_in (TXUSRCLK2),
//------------------- Transmit Ports - PCI Express Ports -------------------
.gt0_txelecidle_in (TXELECIDLE),
.gt0_txrate_in (TXRATE),
//---------------- Transmit Ports - TX Data Path interface -----------------
.gt0_txdata_in (TXDATA),
//-------------- Transmit Ports - TX Driver and OOB signaling --------------
.gt0_gtxtxn_out (TXN),
.gt0_gtxtxp_out (TXP),
//--------- Transmit Ports - TX Fabric Clock Output Control Ports ----------
.gt0_txoutclk_out (TXOUTCLK),
.gt0_txoutclkfabric_out (TXOUTCLKFABRIC),
.gt0_txoutclkpcs_out (TXOUTCLKPCS),
.gt0_txratedone_out (TXRATEDONE),
//------------------- Transmit Ports - TX Gearbox Ports --------------------
.gt0_txcharisk_in (TXCHARISK),
//----------- Transmit Ports - TX Initialization and Reset Ports -----------
.gt0_txresetdone_out (TXRESETDONE),
//---------------- Transmit Ports - TX OOB signalling Ports ----------------
.gt0_txcomfinish_out (TXCOMFINISH),
.gt0_txcominit_in (TXCOMINIT),
.gt0_txcomwake_in (TXCOMWAKE),
//____________________________COMMON PORTS________________________________
.gt0_qplloutclk_in (GTREFCLK0),
.gt0_qplloutrefclk_in (GTREFCLK0)
);*/
endmodule
tb/test.v 0 → 100644
View file @ 886f1771
/*
* simple align test
*/
module test(
output wire reset,
output wire rx_early_reset,
input wire TXRESETDONE,
input wire RXRESETDONE,
/*
* TX
*/
input wire TXP,
input wire TXN,
output wire [63:0] TXDATA,
output wire TXUSRCLK,
output wire TXUSRCLK2,
output wire TXUSERRDY,
// 8/10 encoder
output wire [7:0] TX8B10BBYPASS,
output wire TX8B10BEN,
output wire [7:0] TXCHARDISPMODE,
output wire [7:0] TXCHARDISPVAL,
output wire [7:0] TXCHARISK,
// TX Buffer
input wire [1:0] TXBUFSTATUS,
// TX Polarity
output wire TXPOLARITY,
// TX Fabric Clock Control
output wire [2:0] TXRATE,
input wire TXRATEDONE,
// TX OOB
output wire TXCOMINIT,
output wire TXCOMWAKE,
input wire TXCOMFINISH,
// TX Driver Control
output wire TXELECIDLE,
/*
* RX
*/
output wire RXP,
output wire RXN,
output wire RXUSRCLK,
output wire RXUSRCLK2,
output wire RXUSERRDY,
input wire [63:0] RXDATA,
output wire [2:0] RXRATE,
// oob
output wire [1:0] RXELECIDLEMODE,
input wire RXELECIDLE,
input wire RXCOMINITDET,
input wire RXCOMWAKEDET,
// polarity
output wire RXPOLARITY,
// aligner
input wire RXBYTEISALIGNED,
input wire RXBYTEREALIGN,
input wire RXCOMMADET,
output wire RXCOMMADETEN,
output wire RXPCOMMAALIGNEN,
output wire RXMCOMMAALIGNEN,
// 10/8 decoder
output wire RX8B10BEN,
input wire [7:0] RXCHARISCOMMA,
input wire [7:0] RXCHARISK,
input wire [7:0] RXDISPERR,
input wire [7:0] RXNOTINTABLE,
/*
* Clocking
*/
// top-level interfaces
output wire [2:0] CPLLREFCLKSEL,
output wire GTREFCLK0,
output wire GTREFCLK1,
output wire GTNORTHREFCLK0,
output wire GTNORTHREFCLK1,
output wire GTSOUTHREFCLK0,
output wire GTSOUTHREFCLK1,
output wire GTGREFCLK,
output wire [1:0] RXSYSCLKSEL,
output wire [1:0] TXSYSCLKSEL,
output wire [2:0] TXOUTCLKSEL,
output wire [2:0] RXOUTCLKSEL,
output wire TXDLYBYPASS,
input wire GTREFCLKMONITOR,
output wire CPLLLOCKDETCLK,
output wire CPLLLOCKEN,
output wire CPLLPD,
output wire CPLLRESET,
input wire CPLLFBCLKLOST,
input wire CPLLLOCK,
input wire CPLLREFCLKLOST,
// phy-level interfaces
input wire TXOUTCLKPMA,
input wire TXOUTCLKPCS,
input wire TXOUTCLK,
input wire TXOUTCLKFABRIC,
input wire tx_serial_clk,
input wire RXOUTCLKPMA,
input wire RXOUTCLKPCS,
input wire RXOUTCLK,
input wire RXOUTCLKFABRIC,
input wire rx_serial_clk,
output wire RXDFELFHOLD,
output wire RXDFEAGCHOLD,
/*
* GTXE2_COMMON
*/
output wire [2:0] QPLLREFCLKSEL,
input wire QPLLOUTCLK,
input wire QPLLOUTREFCLK,
output wire QPLLLOCKDETCLK,
output wire QPLLLOCKEN,
output wire QPLLPD,
output wire QPLLRESET,
input wire QPLLFBCLKLOST,
input wire QPLLLOCK,
input wire QPLLREFCLKLOST
);
reg gtxreset;
reg hard_rst;
initial #1 $display("HI THERE");
initial
begin
$dumpfile("test.vcd");
$dumpvars(0,tb);
end
// simulation stop condition
initial
// #10000 $stop;
#100000000 $finish;
// ref clock
reg clk = 1'b0;
always #3000
clk = ~clk;
// reset
initial
begin
hard_rst = 1'b0;
#1000000;
hard_rst <= 1'b1;
#1000000;
hard_rst <= 1'b0;
end
initial
begin
gtxreset = 1'b0;
@ (negedge hard_rst);
gtxreset <= 1'b1;
#1000000;
gtxreset <= 1'b0;
end
// data
reg [15:0] data;
reg align_switch = 0;
reg [7:0] control = 0;
assign TXDATA = {47'h0, data};
initial
begin
data = 16'h0;
@ (negedge reset);
// @ (negedge reset);
//#2000000;
@ (posedge RXCOMWAKEDET or posedge TXCOMFINISH);
@ (posedge RXCOMWAKEDET or posedge TXCOMFINISH);
/* repeat (30)
@ (posedge clk);
@ (posedge clk) data <= 16'hde;
@ (posedge clk) data <= 16'had;
@ (posedge clk) data <= 16'hbe;
@ (posedge clk) data <= 16'hef;*/
repeat (30)
@ (posedge clk);
align_switch <= 1'b1;
@ (posedge clk) data <= 16'hde;
@ (posedge clk) data <= 16'had;
@ (posedge clk) data <= 16'hbe;
@ (posedge clk) data <= 16'hef;
@ (posedge clk) data <= 16'hbc; //comma
control <= 8'b01;
@ (posedge clk) data <= 16'hde;
control <= 8'b00;
@ (posedge clk) data <= 16'had;
@ (posedge clk) data <= 16'hbe;
@ (posedge clk) data <= 16'hef;
@ (posedge clk) data <= 16'hbc; //comma
control <= 8'b01;
@ (posedge clk) data <= 16'hde;
control <= 8'b00;
@ (posedge clk) data <= 16'had;
@ (posedge clk) data <= 16'hbe;
@ (posedge clk) data <= 16'hef;
end
assign TXCHARISK = control;
// oob
reg oob_idle;
reg oob_init;
reg oob_wake;
assign TXELECIDLE = oob_idle;
assign TXCOMINIT = oob_init;
assign TXCOMWAKE = oob_wake;
initial
begin
oob_idle = 0;
oob_init = 0;
oob_wake = 0;
#1000000;
// @ (negedge reset);
// @ (negedge reset);
@ (posedge RXRESETDONE or TXRESETDONE);
@ (posedge RXRESETDONE or TXRESETDONE);
#2000000;
repeat (10)
@ (posedge clk);
@ (posedge clk) oob_idle <= 1'b1;
@ (posedge clk) oob_init <= 1'b1;
@ (posedge clk) oob_init <= 1'b0;
@ (posedge RXCOMINITDET or posedge TXCOMFINISH);
@ (posedge RXCOMINITDET or posedge TXCOMFINISH);
@ (posedge clk);
@ (posedge clk) oob_wake <= 1'b1;
@ (posedge clk) oob_wake <= 1'b0;
@ (posedge RXCOMWAKEDET or posedge TXCOMFINISH);
@ (posedge RXCOMWAKEDET or posedge TXCOMFINISH);
repeat (5)
@ (posedge clk);
@ (posedge clk) oob_idle <= 1'b0;
end
/*
* TXUSERRDY/RXUSERRDY
*/
reg rx_userrdy = 1'b0;
reg tx_userrdy = 1'b0;
initial
begin
@ (negedge gtxreset);
repeat (100)
@ (posedge RXUSRCLK);
rx_userrdy <= 1'b1;
end
initial
begin
@ (negedge gtxreset);
repeat (100)
@ (posedge TXUSRCLK);
tx_userrdy <= 1'b1;
end
/*
* Make some disalignments
*/
/*reg xn;
reg xp;
always @ (posedge rx_serial_clk)
begin
xp <= TXP;
xn <= TXN;
end*/
reg [10:0] xn;
reg [10:0] xp;
always #300 //every serial clk
begin
xn[0] <= TXN;
xp[0] <= TXP;
xp[10:1] <= xp[9:0];
xn[10:1] <= xn[9:0];
end
assign RXN = align_switch ? xn[10] : TXN;
assign RXP = align_switch ? xp[10] : TXP;
/*
* loopbacks
*/
assign CPLLRESET = hard_rst;
assign QPLLRESET = hard_rst;
assign reset = ~CPLLLOCK | gtxreset | hard_rst;
assign TXUSERRDY = tx_userrdy;
assign RXUSERRDY = rx_userrdy;
assign CPLLPD = 1'b0;
assign QPLLPD = 1'b0;
assign GTREFCLK0 = clk; // 150Mhz
assign TXUSRCLK = TXOUTCLK;
assign TXUSRCLK2 = TXOUTCLK;
assign RXUSRCLK = TXOUTCLK;
assign RXUSRCLK2 = TXOUTCLK;
assign TXSYSCLKSEL = 2'b00;
assign RXSYSCLKSEL = 2'b00;
assign CPLLREFCLKSEL = 3'b001;
assign RXOUTCLKSEL = 3'b011;
assign TXOUTCLKSEL = 3'b011;
assign TXPOLARITY = 1'b0;
assign RXPOLARITY = 1'b0;
assign RXPCOMMAALIGNEN = 1'b1;
assign RXMCOMMAALIGNEN = 1'b1;
assign RXCOMMADETEN = 1'b1;
assign TXRATE = 3'b010;
assign RXRATE = 3'b010;
assign RXDFELFHOLD = 1'b0;
assign RXDFEAGCHOLD = 1'b0;
/*
* IP only : cplllockdetclk
*/
reg cplldetclk = 0;
assign CPLLLOCKDETCLK = cplldetclk;
always #8000
cplldetclk = ~cplldetclk;
endmodule
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment