1 ------------------------------------------------------------------------------- 2 -- File : GLinkGtp7FixedLat.vhd 3 -- Company : SLAC National Accelerator Laboratory 4 -- Created : 2014-01-30 5 -- Last update: 2017-05-08 6 ------------------------------------------------------------------------------- 7 -- Description: G-Link wrapper for GTP7 transceiver 8 ------------------------------------------------------------------------------- 9 -- This file is part of 'SLAC Firmware Standard Library'. 10 -- It is subject to the license terms in the LICENSE.txt file found in the 11 -- top-level directory of this distribution and at: 12 -- https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. 13 -- No part of 'SLAC Firmware Standard Library', including this file, 14 -- may be copied, modified, propagated, or distributed except according to 15 -- the terms contained in the LICENSE.txt file. 16 ------------------------------------------------------------------------------- 19 use ieee.std_logic_1164.
all;
23 use work.GlinkPkg.
all;
26 --! @ingroup protocols_glink_gtp7 33 -- Simulation Generics 48 -- Configure PLL sources 52 -- G-Link TX Interface (gLinkTxClk Domain) 57 -- G-Link TX Interface (gLinkClk Domain) 70 -- MGT loopback control 78 end GLinkGtp7FixedLat;
82 constant FIXED_ALIGN_COMMA_0_C : slv(19 downto 0) := bitReverse((GLINK_VALID_IDLE_WORDS_C(0) & GLINK_CONTROL_WORD_C));
-- FF0 83 constant FIXED_ALIGN_COMMA_1_C : slv(19 downto 0) := bitReverse((GLINK_VALID_IDLE_WORDS_C(1) & GLINK_CONTROL_WORD_C));
-- FF1A 84 constant FIXED_ALIGN_COMMA_2_C : slv(19 downto 0) := bitReverse((GLINK_VALID_IDLE_WORDS_C(2) & GLINK_CONTROL_WORD_C));
-- FF1B 96 dataValid : sl := '0';
101 gtRxDataReversed : slv(19 downto 0) := (others => '0');
102 signal rxFifoDout : slv(23 downto 0);
103 signal gLinkTxSync : GLinkTxType;
104 signal gLinkRxSync : GLinkRxType;
123 INIT_G => toSlv
(GLINK_TX_UNUSED_C
),
126 --Write Ports (wr_clk domain) 130 --Read Ports (rd_clk domain) 132 valid => txFifoValid,
135 gLinkTxSync <= toGLinkTx(txFifoDout) when(txFifoValid = '1') else GLINK_TX_UNUSED_C;
137 gtTxRst <= not(gtTxRstDone) or gLinkTxSync.linkRst;
152 DISABLE_SYNTH_TX :
if (SYNTH_TX_G = false)
generate 156 gLinkTxSync <= GLINK_TX_UNUSED_C;
158 gtTxData <= (GLINK_IDLE_WORD_FF0_C & GLINK_CONTROL_WORD_C);
177 INIT_G => toSlv
(GLINK_RX_INIT_C
),
180 -- Asynchronous Reset 182 --Write Ports (wr_clk domain) 184 wr_en => gtRxRstDone,
185 din => toSlv
(gLinkRxSync
),
186 --Read Ports (rd_clk domain) 189 valid => rxFifoValid,
192 gLinkRx <= toGLinkRx(rxFifoDout);
195 gtRxRst <= not(gtRxRstDone) or rxRst;
213 DISABLE_SYNTH_RX :
if (SYNTH_RX_G = false)
generate 224 gtTxDataReversed <= bitReverse(gtTxData);
225 gtRxData <= bitReverse(gtRxDataReversed);
227 -- GTP 7 Core in Fixed Latency mode 228 Gtp7Core_Inst :
entity work.
Gtp7Core 289 rxSlideIn => '0',
-- Slide is controlled internally 305 txCharIsKIn =>
(others => '0'
),
-- Not using gt rx 8b10b
SIM_VERSION_Gstring := "1.0"
TX_EXT_DATA_WIDTH_Ginteger := 16
out encodedDataslv( 19 downto 0)
RX_EXT_DATA_WIDTH_Ginteger := 16
TX_INT_DATA_WIDTH_Ginteger := 20
in qPllLockInslv( 1 downto 0)
RX_OS_CFG_Gbit_vector := "0001111110000"
FIXED_ALIGN_COMMA_0_Gslv := "----------0101111100"
in qPllRefClkLostInslv( 1 downto 0)
in dinslv( DATA_WIDTH_G- 1 downto 0)
PMA_RSV_Gbit_vector := x"00000333"
in gtRxDataslv( 19 downto 0)
out rxCharIsKOutslv(( RX_EXT_DATA_WIDTH_G/ 8)- 1 downto 0)
RX_OS_CFG_Gbit_vector := "0001111110000"
TX_PHASE_ALIGN_Gstring := "AUTO"
RX_CLK25_DIV_Ginteger := 5
in txCharIsKInslv(( TX_EXT_DATA_WIDTH_G/ 8)- 1 downto 0)
out txBufStatusOutslv( 1 downto 0)
TX_CLK25_DIV_Ginteger := 5
out gtQPllResetslv( 1 downto 0)
TX_CLK25_DIV_Ginteger := 5
SYNTH_RX_Gboolean := true
out qPllResetOutslv( 1 downto 0)
FIXED_ALIGN_COMMA_1_Gslv := "----------1010000011"
RXCDR_CFG_Gbit_vector := x"0000107FE206001041010"
in txMmcmLockedInsl := '1'
FLAGSEL_Gboolean := false
out doutslv( DATA_WIDTH_G- 1 downto 0)
out rxBufStatusOutslv( 2 downto 0)
RXLPM_INCM_CFG_Gbit := '1'
SIM_GTRESET_SPEEDUP_Gstring := "FALSE"
in rxDataValidInsl := '1'
out rxDataOutslv( RX_EXT_DATA_WIDTH_G- 1 downto 0)
TX_BUF_EN_Gboolean := true
FIXED_COMMA_EN_Gslv( 3 downto 0) := "0011"
SYNTH_TX_Gboolean := true
in gtQPllLockslv( 1 downto 0)
in txDataInslv( TX_EXT_DATA_WIDTH_G- 1 downto 0)
RXCDR_CFG_Gbit_vector := x"0000107FE206001041010"
in rxMmcmLockedInsl := '1'
in qPllRefClkInslv( 1 downto 0)
in loopbackslv( 2 downto 0)
RX_OUTCLK_SRC_Gstring := "PLLREFCLK"
in gtRxRefClkBufgsl := '0'
RX_ALIGN_MODE_Gstring := "GT"
in gtQPllClkslv( 1 downto 0)
in gtQPllRefClkslv( 1 downto 0)
RXSLIDE_MODE_Gstring := "PCS"
FLAGSEL_Gboolean := false
in qPllClkInslv( 1 downto 0)
RXLPM_INCM_CFG_Gbit := '1'
out rxDecErrOutslv(( RX_EXT_DATA_WIDTH_G/ 8)- 1 downto 0)
out rxDispErrOutslv(( RX_EXT_DATA_WIDTH_G/ 8)- 1 downto 0)
FIXED_ALIGN_COMMA_3_Gslv := "XXXXXXXXXXXXXXXXXXXX"
in gtQPllRefClkLostslv( 1 downto 0)
FLAGSEL_Gboolean := false
in loopbackInslv( 2 downto 0) := "000"
RX_USRCLK_SRC_Gstring := "RXOUTCLK"
SIMULATION_Gboolean := false
TX_OUTCLK_SRC_Gstring := "PLLREFCLK"
SIMULATION_Gboolean := false
SIM_GTRESET_SPEEDUP_Gstring := "FALSE"
FIXED_ALIGN_COMMA_2_Gslv := "XXXXXXXXXXXXXXXXXXXX"
RXLPM_IPCM_CFG_Gbit := '0'
RXLPM_IPCM_CFG_Gbit := '0'
RX_BUF_EN_Gboolean := true
STABLE_CLOCK_PERIOD_Greal := 4.0E-9
PMA_RSV_Gbit_vector := x"00000333"
SIM_VERSION_Gstring := "4.0"
TX_8B10B_EN_Gboolean := true
RX_INT_DATA_WIDTH_Ginteger := 20
RX_CLK25_DIV_Ginteger := 5
DATA_WIDTH_Ginteger range 1 to ( 2** 24):= 16
RX_8B10B_EN_Gboolean := true