Subversion Repositories pcie_sg_dma

-------------------------------------------------------------------------------

--

-- (c) Copyright 2009-2011 Xilinx, Inc. All rights reserved.

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-------------------------------------------------------------------------------

-- Project    : Virtex-6 Integrated Block for PCI Express

-- File       : xilinx_pcie_2_0_rport_v6.vhd

-- Version    : 1.7

--

-- Description:  PCI Express Root Port example FPGA design

--

------------------------------------------------------------------------------

library ieee;

use ieee.std_logic_1164.all;

library work;

entity xilinx_pcie_2_0_rport_v6 is

  generic (

     REF_CLK_FREQ                      : integer := 0;           -- 0 - 100MHz, 1 - 125 MHz, 2 - 250 MHz

     ALLOW_X8_GEN2                     : boolean := FALSE;

     PL_FAST_TRAIN                     : boolean := FALSE;

     LINK_CAP_MAX_LINK_SPEED           : bit_vector := X"1";

     DEVICE_ID                         : bit_vector := X"0007";

     LINK_CAP_MAX_LINK_WIDTH           : bit_vector := X"08";

     LTSSM_MAX_LINK_WIDTH              : bit_vector := X"08";

     LINK_CAP_MAX_LINK_WIDTH_int       : integer := 8;

     LINK_CTRL2_TARGET_LINK_SPEED      : bit_vector := X"2";

     DEV_CAP_MAX_PAYLOAD_SUPPORTED     : integer := 2;

     USER_CLK_FREQ                     : integer := 3;

     VC0_TX_LASTPACKET                 : integer := 31;

     VC0_RX_RAM_LIMIT                  : bit_vector := X"03FF";

     VC0_TOTAL_CREDITS_CD              : integer := 154;

     VC0_TOTAL_CREDITS_PD              : integer := 154

    );

  port (

  pci_exp_txp                   : out std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

  pci_exp_txn                   : out std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

  pci_exp_rxp                   : in std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

  pci_exp_rxn                   : in std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

  sys_clk                       : in std_logic;

  sys_reset_n                   : in std_logic

);

end xilinx_pcie_2_0_rport_v6;

architecture rtl of xilinx_pcie_2_0_rport_v6 is

  component pcie_2_0_rport_v6

    generic (

      REF_CLK_FREQ : integer;

      ALLOW_X8_GEN2 : boolean;

      PL_FAST_TRAIN : boolean;

      LINK_CAP_MAX_LINK_SPEED : bit_vector;

      DEVICE_ID : bit_vector;

      LINK_CAP_MAX_LINK_WIDTH : bit_vector;

      LINK_CAP_MAX_LINK_WIDTH_int : integer;

      LINK_CTRL2_TARGET_LINK_SPEED : bit_vector;

      LTSSM_MAX_LINK_WIDTH : bit_vector;

      DEV_CAP_MAX_PAYLOAD_SUPPORTED : integer;

      USER_CLK_FREQ : integer;

      VC0_TX_LASTPACKET : integer;

      VC0_RX_RAM_LIMIT : bit_vector;

      VC0_TOTAL_CREDITS_CD : integer;

      VC0_TOTAL_CREDITS_PD : integer

);

    port (

      pci_exp_txp                               : out std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

      pci_exp_txn                               : out std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

      pci_exp_rxp                               : in std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

      pci_exp_rxn                               : in std_logic_vector((LINK_CAP_MAX_LINK_WIDTH_int - 1) downto 0);

      trn_clk                                   : out std_logic;

      trn_reset_n                               : out std_logic;

      trn_lnk_up_n                              : out std_logic;

      trn_tbuf_av                               : out std_logic_vector(5 downto 0);

      trn_tcfg_req_n                            : out std_logic;

      trn_terr_drop_n                           : out std_logic;

      trn_tdst_rdy_n                            : out std_logic;

      trn_td                                    : in std_logic_vector(63 downto 0);

      trn_trem_n                                : in std_logic;

      trn_tsof_n                                : in std_logic;

      trn_teof_n                                : in std_logic;

      trn_tsrc_rdy_n                            : in std_logic;

      trn_tsrc_dsc_n                            : in std_logic;

      trn_terrfwd_n                             : in std_logic;

      trn_tcfg_gnt_n                            : in std_logic;

      trn_tstr_n                                : in std_logic;

      trn_rd                                    : out std_logic_vector(63 downto 0);

      trn_rrem_n                                : out std_logic;

      trn_rsof_n                                : out std_logic;

      trn_reof_n                                : out std_logic;

      trn_rsrc_rdy_n                            : out std_logic;

      trn_rsrc_dsc_n                            : out std_logic;

      trn_rerrfwd_n                             : out std_logic;

      trn_rbar_hit_n                            : out std_logic_vector(6 downto 0);

      trn_rdst_rdy_n                            : in std_logic;

      trn_rnp_ok_n                              : in std_logic;

      trn_recrc_err_n                           : out std_logic;

      trn_fc_cpld                               : out std_logic_vector(11 downto 0);

      trn_fc_cplh                               : out std_logic_vector(7 downto 0);

      trn_fc_npd                                : out std_logic_vector(11 downto 0);

      trn_fc_nph                                : out std_logic_vector(7 downto 0);

      trn_fc_pd                                 : out std_logic_vector(11 downto 0);

      trn_fc_ph                                 : out std_logic_vector(7 downto 0);

      trn_fc_sel                                : in std_logic_vector(2 downto 0);

      cfg_do                                    : out std_logic_vector(31 downto 0);

      cfg_rd_wr_done_n                          : out std_logic;

      cfg_di                                    : in std_logic_vector(31 downto 0);

      cfg_byte_en_n                             : in std_logic_vector(3 downto 0);

      cfg_dwaddr                                : in std_logic_vector(9 downto 0);

      cfg_wr_en_n                               : in std_logic;

      cfg_wr_rw1c_as_rw_n                       : in std_logic;

      cfg_rd_en_n                               : in std_logic;

      cfg_err_cor_n                             : in std_logic;

      cfg_err_ur_n                              : in std_logic;

      cfg_err_ecrc_n                            : in std_logic;

      cfg_err_cpl_timeout_n                     : in std_logic;

      cfg_err_cpl_abort_n                       : in std_logic;

      cfg_err_cpl_unexpect_n                    : in std_logic;

      cfg_err_posted_n                          : in std_logic;

      cfg_err_locked_n                          : in std_logic;

      cfg_err_tlp_cpl_header                    : in std_logic_vector(47 downto 0);

      cfg_err_cpl_rdy_n                         : out std_logic;

      cfg_interrupt_n                           : in std_logic;

      cfg_interrupt_rdy_n                       : out std_logic;

      cfg_interrupt_assert_n                    : in std_logic;

      cfg_interrupt_di                          : in std_logic_vector(7 downto 0);

      cfg_interrupt_do                          : out std_logic_vector(7 downto 0);

      cfg_interrupt_mmenable                    : out std_logic_vector(2 downto 0);

      cfg_interrupt_msienable                   : out std_logic;

      cfg_interrupt_msixenable                  : out std_logic;

      cfg_interrupt_msixfm                      : out std_logic;

      cfg_trn_pending_n                         : in std_logic;

      cfg_pm_send_pme_to_n                      : in std_logic;

      cfg_status                                : out std_logic_vector(15 downto 0);

      cfg_command                               : out std_logic_vector(15 downto 0);

      cfg_dstatus                               : out std_logic_vector(15 downto 0);

      cfg_dcommand                              : out std_logic_vector(15 downto 0);

      cfg_lstatus                               : out std_logic_vector(15 downto 0);

      cfg_lcommand                              : out std_logic_vector(15 downto 0);

      cfg_dcommand2                             : out std_logic_vector(15 downto 0);

      cfg_pcie_link_state_n                     : out std_logic_vector(2 downto 0);

      cfg_dsn                                   : in std_logic_vector(63 downto 0);

      cfg_pmcsr_pme_en                          : out std_logic;

      cfg_pmcsr_pme_status                      : out std_logic;

      cfg_pmcsr_powerstate                      : out std_logic_vector(1 downto 0);

      cfg_msg_received                          : out std_logic;

      cfg_msg_data                              : out std_logic_vector(15 downto 0);

      cfg_msg_received_err_cor                  : out std_logic;

      cfg_msg_received_err_non_fatal            : out std_logic;

      cfg_msg_received_err_fatal                : out std_logic;

      cfg_msg_received_pme_to_ack               : out std_logic;

      cfg_msg_received_assert_inta              : out std_logic;

      cfg_msg_received_assert_intb              : out std_logic;

      cfg_msg_received_assert_intc              : out std_logic;

      cfg_msg_received_assert_intd              : out std_logic;

      cfg_msg_received_deassert_inta            : out std_logic;

      cfg_msg_received_deassert_intb            : out std_logic;

      cfg_msg_received_deassert_intc            : out std_logic;

      cfg_msg_received_deassert_intd            : out std_logic;

      cfg_ds_bus_number                         : in std_logic_vector(7 downto 0);

      cfg_ds_device_number                      : in std_logic_vector(4 downto 0);

      pl_initial_link_width                     : out std_logic_vector(2 downto 0);

      pl_lane_reversal_mode                     : out std_logic_vector(1 downto 0);

      pl_link_gen2_capable                      : out std_logic;

      pl_link_partner_gen2_supported            : out std_logic;

      pl_link_upcfg_capable                     : out std_logic;

      pl_ltssm_state                            : out std_logic_vector(5 downto 0);

      pl_sel_link_rate                          : out std_logic;

      pl_sel_link_width                         : out std_logic_vector(1 downto 0);

      pl_directed_link_auton                    : in std_logic;

      pl_directed_link_change                   : in std_logic_vector(1 downto 0);

      pl_directed_link_speed                    : in std_logic;

      pl_directed_link_width                    : in std_logic_vector(1 downto 0);

      pl_upstream_prefer_deemph                 : in std_logic;

      pl_transmit_hot_rst                       : in std_logic;

      pcie_drp_clk                              : in std_logic;

      pcie_drp_den                              : in std_logic;

      pcie_drp_dwe                              : in std_logic;

      pcie_drp_daddr                            : in std_logic_vector(8 downto 0);

      pcie_drp_di                               : in std_logic_vector(15 downto 0);

      pcie_drp_do                               : out std_logic_vector(15 downto 0);

      pcie_drp_drdy                             : out std_logic;

      sys_clk                                   : in std_logic;

      sys_reset_n                               : in std_logic);

  end component;

component pci_exp_usrapp_cfg

  port (

    cfg_do                 : in  std_logic_vector(31 downto 0);

    cfg_di                 : out std_logic_vector(31 downto 0);

    cfg_byte_en_n          : out std_logic_vector(3 downto 0);

    cfg_dwaddr             : out std_logic_vector(9 downto 0);

    cfg_wr_en_n            : out std_logic;

    cfg_rd_en_n            : out std_logic;

    cfg_rd_wr_done_n       : in  std_logic;

    cfg_err_cor_n          : out std_logic;

    cfg_err_ur_n           : out std_logic;

    cfg_err_ecrc_n         : out std_logic;

    cfg_err_cpl_timeout_n  : out std_logic;

    cfg_err_cpl_abort_n    : out std_logic;

    cfg_err_cpl_unexpect_n : out std_logic;

    cfg_err_posted_n       : out std_logic;

    cfg_err_tlp_cpl_header : out std_logic_vector(47 downto 0);

    cfg_interrupt_n        : out std_logic;

    cfg_interrupt_rdy_n    : in  std_logic;

    cfg_turnoff_ok_n       : out std_logic;

    cfg_to_turnoff_n       : in  std_logic;

    cfg_pm_wake_n          : out std_logic;

    cfg_bus_number         : in  std_logic_vector((8 -1) downto 0);

    cfg_device_number      : in  std_logic_vector((5 - 1) downto 0);

    cfg_function_number    : in  std_logic_vector((3 - 1) downto 0);

    cfg_status             : in  std_logic_vector((16 - 1) downto 0);

    cfg_command            : in  std_logic_vector((16 - 1) downto 0);

    cfg_dstatus            : in  std_logic_vector((16 - 1) downto 0);

    cfg_dcommand           : in  std_logic_vector((16 - 1) downto 0);

    cfg_lstatus            : in  std_logic_vector((16 - 1) downto 0);

    cfg_lcommand           : in  std_logic_vector((16 - 1) downto 0);

    cfg_pcie_link_state_n  : in  std_logic_vector((3 - 1) downto 0);

    cfg_trn_pending_n      : out std_logic;

    trn_clk                : in  std_logic;

    trn_reset_n            : in  std_logic);

end component;

component pci_exp_usrapp_rx

  port (

    trn_rdst_rdy_n        : out std_logic;

    trn_rnp_ok_n          : out std_logic;

    trn_rd                : in  std_logic_vector (63 downto 0);

    trn_rrem_n            : in  std_logic_vector (7 downto 0);

    trn_rsof_n            : in  std_logic;

    trn_reof_n            : in  std_logic;

    trn_rsrc_rdy_n        : in  std_logic;

    trn_rsrc_dsc_n        : in  std_logic;

    trn_rerrfwd_n         : in  std_logic;

    trn_rbar_hit_n        : in  std_logic_vector (6 downto 0);

    trn_clk               : in  std_logic;

    trn_reset_n           : in  std_logic;

    trn_lnk_up_n          : in  std_logic;

    rx_tx_read_data       : out std_logic_vector(31 downto 0);

    rx_tx_read_data_valid : out std_logic;

    tx_rx_read_data_valid : in  std_logic);

end component;

component pci_exp_usrapp_tx

  port (

    trn_td                : out std_logic_vector (63 downto 0);

    trn_trem_n            : out std_logic_vector (7 downto 0);

    trn_tsof_n            : out std_logic;

    trn_teof_n            : out std_logic;

    trn_terrfwd_n         : out std_logic;

    trn_tsrc_rdy_n        : out std_logic;

    trn_tsrc_dsc_n        : out std_logic;

    trn_clk               : in  std_logic;

    trn_reset_n           : in  std_logic;

    trn_lnk_up_n          : in  std_logic;

    trn_tdst_rdy_n        : in  std_logic;

    trn_tdst_dsc_n        : in  std_logic;

    trn_tbuf_av           : in  std_logic_vector (5 downto 0);

    rx_tx_read_data       : in  std_logic_vector(31 downto 0);

    rx_tx_read_data_valid : in  std_logic;

    tx_rx_read_data_valid : out std_logic);

end component;

component pci_exp_usrapp_pl

  generic (

    LINK_CAP_MAX_LINK_SPEED : integer);

  port (

    pl_initial_link_width          : in  std_logic_vector(2 downto 0);

    pl_lane_reversal_mode          : in  std_logic_vector(1 downto 0);

    pl_link_gen2_capable           : in  std_logic;

    pl_link_partner_gen2_supported : in  std_logic;

    pl_link_upcfg_capable          : in  std_logic;

    pl_ltssm_state                 : in  std_logic_vector(5 downto 0);

    pl_received_hot_rst            : in  std_logic;

    pl_sel_link_rate               : in  std_logic;

    pl_sel_link_width              : in  std_logic_vector(1 downto 0);

    pl_directed_link_auton         : out std_logic;

    pl_directed_link_change        : out std_logic_vector(1 downto 0);

    pl_directed_link_speed         : out std_logic;

    pl_directed_link_width         : out std_logic_vector(1 downto 0);

    pl_upstream_prefer_deemph      : out std_logic;

    speed_change_done_n            : out std_logic;

    trn_lnk_up_n                   : in  std_logic;

    trn_clk                        : in  std_logic;

    trn_reset_n                    : in  std_logic);

end component;

  FUNCTION to_integer (

      val_in    : bit_vector) RETURN integer IS

      CONSTANT vctr   : bit_vector(val_in'high-val_in'low DOWNTO 0) := val_in;

      VARIABLE ret    : integer := 0;

   BEGIN

      FOR index IN vctr'RANGE LOOP

         IF (vctr(index) = '1') THEN

            ret := ret + (2**index);

         END IF;

      END LOOP;

      RETURN(ret);

   END to_integer;

   constant LINK_CAP_MAX_LINK_SPEED_int : integer := to_integer(LINK_CAP_MAX_LINK_SPEED);

  signal rx_tx_read_data       : std_logic_vector(31 downto 0);

  signal rx_tx_read_data_valid : std_logic;

  signal tx_rx_read_data_valid : std_logic;

  -- Tx

  signal trn_tbuf_av : std_logic_vector(5 downto 0);

  signal trn_tdst_dsc_n : std_logic;

  signal trn_tdst_rdy_n : std_logic;

  signal trn_td : std_logic_vector(63 downto 0);

  signal trn_trem_n : std_logic;

  signal trn_trem_n_out : std_logic_vector(7 downto 0);

  signal trn_tsof_n : std_logic;

  signal trn_teof_n : std_logic;

  signal trn_tsrc_rdy_n : std_logic;

  signal trn_tsrc_dsc_n : std_logic;

  signal trn_terrfwd_n : std_logic;

  -- Rx

  signal trn_rd : std_logic_vector(63 downto 0);

  signal trn_rrem_n : std_logic;

  signal trn_rrem_n_in : std_logic_vector(7 downto 0);

  signal trn_rsof_n : std_logic;

  signal trn_reof_n : std_logic;

  signal trn_rsrc_rdy_n : std_logic;

  signal trn_rsrc_dsc_n : std_logic;

  signal trn_rerrfwd_n : std_logic;

  signal trn_rbar_hit_n : std_logic_vector(6 downto 0);

  signal trn_rdst_rdy_n : std_logic;

  signal trn_rnp_ok_n : std_logic;

  signal trn_clk : std_logic;

  signal trn_reset_n : std_logic;

  signal trn_lnk_up_n : std_logic;

  ---------------------------------------------------------

  -- 3. Configuration (CFG) Interface

  ---------------------------------------------------------

  signal cfg_do : std_logic_vector(31 downto 0);

  signal cfg_rd_wr_done_n : std_logic;

  signal cfg_di : std_logic_vector(31 downto 0);

  signal cfg_byte_en_n : std_logic_vector(3 downto 0);

  signal cfg_dwaddr : std_logic_vector(9 downto 0);

  signal cfg_wr_en_n : std_logic;

  signal cfg_rd_en_n : std_logic;

  signal cfg_err_cor_n: std_logic;

  signal cfg_err_ur_n : std_logic;

  signal cfg_err_ecrc_n : std_logic;

  signal cfg_err_cpl_timeout_n : std_logic;

  signal cfg_err_cpl_abort_n : std_logic;

  signal cfg_err_cpl_unexpect_n : std_logic;

  signal cfg_err_posted_n : std_logic;

  signal cfg_err_tlp_cpl_header : std_logic_vector(47 downto 0);

  signal cfg_err_cpl_rdy_n : std_logic;

  signal cfg_interrupt_n : std_logic;

  signal cfg_interrupt_rdy_n : std_logic;

  signal cfg_interrupt_mmenable : std_logic_vector(2 downto 0);

  signal cfg_interrupt_msienable : std_logic;

  signal cfg_interrupt_msixenable : std_logic;

  signal cfg_interrupt_msixfm : std_logic;

  signal cfg_trn_pending_n : std_logic;

  signal cfg_status : std_logic_vector(15 downto 0);

  signal cfg_command : std_logic_vector(15 downto 0);

  signal cfg_dstatus : std_logic_vector(15 downto 0);

  signal cfg_dcommand : std_logic_vector(15 downto 0);

  signal cfg_lstatus : std_logic_vector(15 downto 0);

  signal cfg_lcommand : std_logic_vector(15 downto 0);

  signal cfg_pcie_link_state_n : std_logic_vector(2 downto 0);

  signal cfg_msg_received : std_logic;

  signal cfg_msg_data     : std_logic_vector(15 downto 0);

  signal cfg_msg_received_err_cor : std_logic;

  signal cfg_msg_received_err_non_fatal : std_logic;

  signal cfg_msg_received_err_fatal : std_logic;

  signal cfg_msg_received_pme_to_ack : std_logic;

  signal cfg_msg_received_assert_inta : std_logic;

  signal cfg_msg_received_assert_intb : std_logic;

  signal cfg_msg_received_assert_intc : std_logic;

  signal cfg_msg_received_assert_intd : std_logic;

  signal cfg_msg_received_deassert_inta : std_logic;

  signal cfg_msg_received_deassert_intb : std_logic;

  signal cfg_msg_received_deassert_intc : std_logic;

  signal cfg_msg_received_deassert_intd : std_logic;

  ---------------------------------------------------------

  -- 4. Physical Layer Control and Status (PL) Interface

  ---------------------------------------------------------

  signal pl_initial_link_width : std_logic_vector(2 downto 0);

  signal pl_lane_reversal_mode : std_logic_vector(1 downto 0);

  signal pl_link_gen2_capable : std_logic;

  signal pl_link_partner_gen2_supported : std_logic;

  signal pl_link_upcfg_capable : std_logic;

  signal pl_ltssm_state : std_logic_vector(5 downto 0);

  signal pl_sel_link_rate : std_logic;

  signal pl_sel_link_width : std_logic_vector(1 downto 0);

  signal pl_directed_link_auton : std_logic;

  signal pl_directed_link_change : std_logic_vector(1 downto 0);

  signal pl_directed_link_speed : std_logic;

  signal pl_directed_link_width : std_logic_vector(1 downto 0);

  signal pl_upstream_prefer_deemph : std_logic;

  -------------------------------------------------------

begin

  trn_trem_n                <= '1' when (trn_trem_n_out = X"0F") else

                               '0';

  trn_rrem_n_in             <= X"0F" when (trn_rrem_n = '1') else

                               X"00";

rport : pcie_2_0_rport_v6

  generic map(

     REF_CLK_FREQ                   => REF_CLK_FREQ,

     ALLOW_X8_GEN2                  => ALLOW_X8_GEN2,

     PL_FAST_TRAIN                  => PL_FAST_TRAIN,

     LINK_CAP_MAX_LINK_SPEED        => LINK_CAP_MAX_LINK_SPEED,

     DEVICE_ID                      => DEVICE_ID,

     LINK_CAP_MAX_LINK_WIDTH        => LINK_CAP_MAX_LINK_WIDTH,

     LINK_CAP_MAX_LINK_WIDTH_int    => LINK_CAP_MAX_LINK_WIDTH_int,

     LINK_CTRL2_TARGET_LINK_SPEED   => LINK_CTRL2_TARGET_LINK_SPEED,

     LTSSM_MAX_LINK_WIDTH           => LTSSM_MAX_LINK_WIDTH,

     DEV_CAP_MAX_PAYLOAD_SUPPORTED  => DEV_CAP_MAX_PAYLOAD_SUPPORTED,

     USER_CLK_FREQ                  => USER_CLK_FREQ,

     VC0_TX_LASTPACKET              => VC0_TX_LASTPACKET,

     VC0_RX_RAM_LIMIT               => VC0_RX_RAM_LIMIT,

     VC0_TOTAL_CREDITS_CD           => VC0_TOTAL_CREDITS_CD,

     VC0_TOTAL_CREDITS_PD           => VC0_TOTAL_CREDITS_CD

)

  port map(

  pci_exp_txp        =>  pci_exp_txp,

  pci_exp_txn        =>  pci_exp_txn,

  pci_exp_rxp        =>  pci_exp_rxp,

  pci_exp_rxn        =>  pci_exp_rxn,

  trn_clk            =>  trn_clk ,

  trn_reset_n        =>  trn_reset_n ,

  trn_lnk_up_n       =>  trn_lnk_up_n ,

  trn_tbuf_av        =>  trn_tbuf_av ,

  trn_tcfg_req_n     =>  open,

  trn_terr_drop_n    =>  trn_tdst_dsc_n ,

  trn_tdst_rdy_n     =>  trn_tdst_rdy_n ,

  trn_td             =>  trn_td ,

  trn_trem_n         =>  trn_trem_n,

  trn_tsof_n         =>  trn_tsof_n ,

  trn_teof_n         =>  trn_teof_n ,

  trn_tsrc_rdy_n     =>  trn_tsrc_rdy_n ,

  trn_tsrc_dsc_n     =>  trn_tsrc_dsc_n ,

  trn_terrfwd_n      =>  trn_terrfwd_n ,

  trn_tcfg_gnt_n     =>  '0' ,

  trn_tstr_n         =>  '1' ,

  trn_rd             =>  trn_rd ,

  trn_rrem_n         =>  trn_rrem_n ,

  trn_rsof_n         =>  trn_rsof_n ,

  trn_reof_n         =>  trn_reof_n ,

  trn_rsrc_rdy_n     =>  trn_rsrc_rdy_n ,

  trn_rsrc_dsc_n     =>  trn_rsrc_dsc_n ,

  trn_rerrfwd_n      =>  trn_rerrfwd_n ,

  trn_rbar_hit_n     =>  trn_rbar_hit_n ,

  trn_rdst_rdy_n     =>  trn_rdst_rdy_n ,

  trn_rnp_ok_n       =>  trn_rnp_ok_n ,

  trn_recrc_err_n    =>  open,

  trn_fc_cpld        =>  open,

  trn_fc_cplh        =>  open,

  trn_fc_npd         =>  open,

  trn_fc_nph         =>  open,

  trn_fc_pd          =>  open,

  trn_fc_ph          =>  open,

  trn_fc_sel         =>  "000" ,

  cfg_do             =>  cfg_do ,

  cfg_rd_wr_done_n   =>  cfg_rd_wr_done_n,

  cfg_di             =>  cfg_di ,

  cfg_byte_en_n      =>  cfg_byte_en_n ,

  cfg_dwaddr         =>  cfg_dwaddr ,

  cfg_wr_en_n        =>  cfg_wr_en_n ,

  cfg_wr_rw1c_as_rw_n  => '1',

  cfg_rd_en_n        =>  cfg_rd_en_n ,

  cfg_err_cor_n                   =>  cfg_err_cor_n ,

  cfg_err_ur_n                    =>  cfg_err_ur_n ,

  cfg_err_ecrc_n                  =>  cfg_err_ecrc_n ,

  cfg_err_cpl_timeout_n           =>  cfg_err_cpl_timeout_n ,

  cfg_err_cpl_abort_n             =>  cfg_err_cpl_abort_n ,

  cfg_err_cpl_unexpect_n          =>  cfg_err_cpl_unexpect_n ,

  cfg_err_posted_n                =>  cfg_err_posted_n ,

  cfg_err_locked_n                =>  '1',

  cfg_err_tlp_cpl_header          =>  cfg_err_tlp_cpl_header ,

  cfg_err_cpl_rdy_n               =>  open,

  cfg_interrupt_n                 =>  cfg_interrupt_n ,

  cfg_interrupt_rdy_n             =>  cfg_interrupt_rdy_n ,

  cfg_interrupt_assert_n          =>  '1' ,

  cfg_interrupt_di                =>  X"00" ,

  cfg_interrupt_do                =>  open,

  cfg_interrupt_mmenable          =>  open,

  cfg_interrupt_msienable         =>  open,

  cfg_interrupt_msixenable        =>  open,

  cfg_interrupt_msixfm            =>  open,

  cfg_trn_pending_n               =>  cfg_trn_pending_n ,

  cfg_pm_send_pme_to_n            =>  '1' ,

  cfg_status                      =>  cfg_status ,

  cfg_command                     =>  cfg_command ,

  cfg_dstatus                     =>  cfg_dstatus ,

  cfg_dcommand                    =>  cfg_dcommand ,

  cfg_lstatus                     =>  cfg_lstatus ,

  cfg_lcommand                    =>  cfg_lcommand ,

  cfg_dcommand2                   =>  open,

  cfg_pcie_link_state_n           =>  cfg_pcie_link_state_n ,

  cfg_dsn                         =>  (others => '0') ,

  cfg_pmcsr_pme_en                =>  open,

  cfg_pmcsr_pme_status            =>  open,

  cfg_pmcsr_powerstate            =>  open,

  cfg_msg_received                =>  cfg_msg_received ,

  cfg_msg_data                    =>  cfg_msg_data ,

  cfg_msg_received_err_cor        =>  cfg_msg_received_err_cor ,

  cfg_msg_received_err_non_fatal  =>  cfg_msg_received_err_non_fatal ,

  cfg_msg_received_err_fatal      =>  cfg_msg_received_err_fatal ,

  cfg_msg_received_pme_to_ack     =>  cfg_msg_received_pme_to_ack ,

  cfg_msg_received_assert_inta    =>  cfg_msg_received_assert_inta ,

  cfg_msg_received_assert_intb    =>  cfg_msg_received_assert_intb ,

  cfg_msg_received_assert_intc    =>  cfg_msg_received_assert_intc ,

  cfg_msg_received_assert_intd    =>  cfg_msg_received_assert_intd ,

  cfg_msg_received_deassert_inta  =>  cfg_msg_received_deassert_inta ,

  cfg_msg_received_deassert_intb  =>  cfg_msg_received_deassert_intb ,

  cfg_msg_received_deassert_intc  =>  cfg_msg_received_deassert_intc ,

  cfg_msg_received_deassert_intd  =>  cfg_msg_received_deassert_intd ,

  cfg_ds_bus_number               =>  X"00",

  cfg_ds_device_number            =>  "00000",

  pl_initial_link_width           =>  pl_initial_link_width ,

  pl_lane_reversal_mode           =>  pl_lane_reversal_mode ,

  pl_link_gen2_capable            =>  pl_link_gen2_capable ,

  pl_link_partner_gen2_supported  =>  pl_link_partner_gen2_supported ,

  pl_link_upcfg_capable           =>  pl_link_upcfg_capable ,

  pl_ltssm_state                  =>  pl_ltssm_state ,

  pl_sel_link_rate                =>  pl_sel_link_rate ,

  pl_sel_link_width               =>  pl_sel_link_width ,

  pl_directed_link_auton          =>  pl_directed_link_auton ,

  pl_directed_link_change         =>  pl_directed_link_change ,

  pl_directed_link_speed          =>  pl_directed_link_speed ,

  pl_directed_link_width          =>  pl_directed_link_width ,

  pl_upstream_prefer_deemph       =>  pl_upstream_prefer_deemph ,

  pl_transmit_hot_rst             =>  '0',

  pcie_drp_clk                    => '0',

  pcie_drp_den                    => '0',

  pcie_drp_dwe                    => '0',

  pcie_drp_daddr                  => "000000000",

  pcie_drp_di                     => X"0000",

  pcie_drp_do                     => open,

  pcie_drp_drdy                   => open,

  sys_clk                         =>  sys_clk ,

  sys_reset_n                     =>  sys_reset_n

);

CFG_APP : pci_exp_usrapp_cfg

  port map (

    cfg_do                 => cfg_do,

    cfg_di                 => cfg_di,

    cfg_byte_en_n          => cfg_byte_en_n,

    cfg_dwaddr             => cfg_dwaddr,

    cfg_wr_en_n            => cfg_wr_en_n,

    cfg_rd_en_n            => cfg_rd_en_n,

    cfg_rd_wr_done_n       => cfg_rd_wr_done_n,

    cfg_err_cor_n          => cfg_err_cor_n,

    cfg_err_ur_n           => cfg_err_ur_n,

    cfg_err_ecrc_n         => cfg_err_ecrc_n,

    cfg_err_cpl_timeout_n  => cfg_err_cpl_timeout_n,