diff options
Diffstat (limited to 'netfpga10g/hdl/pcie_wrapper.vhd')
| -rw-r--r-- | netfpga10g/hdl/pcie_wrapper.vhd | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/netfpga10g/hdl/pcie_wrapper.vhd b/netfpga10g/hdl/pcie_wrapper.vhd new file mode 100644 index 0000000..35c6047 --- /dev/null +++ b/netfpga10g/hdl/pcie_wrapper.vhd @@ -0,0 +1,358 @@ + +library ieee; +use ieee.std_logic_1164.all; + +library unisim; +use unisim.vcomponents.all; + +entity pcie_wrapper is port ( + pcie_clk_p : in std_logic; + pcie_clk_n : in std_logic; + reset25 : in std_logic; + + clk125 : out std_logic; + reset125 : out std_logic; + + pci_exp_rxn : in std_logic_vector(7 downto 0); + pci_exp_rxp : in std_logic_vector(7 downto 0); + pci_exp_txn : out std_logic_vector(7 downto 0); + pci_exp_txp : out std_logic_vector(7 downto 0); + + rx_frame : out std_logic_vector(63 downto 0); + rx_sof : out std_logic; + rx_eof : out std_logic; + rx_valid : out std_logic; + + tx_frame : in std_logic_vector(63 downto 0); + tx_sof : in std_logic; + tx_eof : in std_logic; + tx_half : in std_logic; + tx_valid : in std_logic; + tx_ready : out std_logic; + + bus_dev_func : out std_logic_vector(15 downto 0); + + max_read : out std_logic_vector(2 downto 0); + max_write : out std_logic_vector(2 downto 0); + + interrupt : in std_logic; + interrupt_rdy : out std_logic; + + bar0 : out std_logic +); +end pcie_wrapper; + +architecture arch of pcie_wrapper is + + component pcie_core port ( + pci_exp_rxn : in std_logic_vector(7 downto 0); + pci_exp_rxp : in std_logic_vector(7 downto 0); + pci_exp_txn : out std_logic_vector(7 downto 0); + pci_exp_txp : out std_logic_vector(7 downto 0); + + sys_clk : in std_logic; + sys_reset_n : in std_logic; + + refclkout : out std_logic; + + trn_clk : out std_logic; + trn_reset_n : out std_logic; + trn_lnk_up_n : out std_logic; + + trn_rd : out std_logic_vector(63 downto 0); + trn_rrem_n : out std_logic_vector(7 downto 0); + trn_rsof_n : out std_logic; + trn_reof_n : out std_logic; + trn_rsrc_dsc_n : out std_logic; + trn_rsrc_rdy_n : out std_logic; + trn_rbar_hit_n : out std_logic_vector(6 downto 0); + trn_rdst_rdy_n : in std_logic; + trn_rerrfwd_n : out std_logic; + trn_rnp_ok_n : in std_logic; + trn_rfc_npd_av : out std_logic_vector(11 downto 0); + trn_rfc_nph_av : out std_logic_vector(7 downto 0); + trn_rfc_pd_av : out std_logic_vector(11 downto 0); + trn_rfc_ph_av : out std_logic_vector(7 downto 0); + trn_rcpl_streaming_n : in std_logic; + + trn_td : in std_logic_vector(63 downto 0); + trn_trem_n : in std_logic_vector(7 downto 0); + trn_tsof_n : in std_logic; + trn_teof_n : in std_logic; + trn_tsrc_dsc_n : in std_logic; + trn_tsrc_rdy_n : in std_logic; + trn_tdst_dsc_n : out std_logic; + trn_tdst_rdy_n : out std_logic; + trn_terrfwd_n : in std_logic ; + trn_tbuf_av : out std_logic_vector(3 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_rd_en_n : in std_logic; + + cfg_err_cor_n : in std_logic; + cfg_err_cpl_abort_n : in std_logic; + cfg_err_cpl_timeout_n : in std_logic; + cfg_err_cpl_unexpect_n : in std_logic; + cfg_err_ecrc_n : in std_logic; + cfg_err_posted_n : in std_logic; + cfg_err_tlp_cpl_header : in std_logic_vector(47 downto 0); + cfg_err_ur_n : in std_logic; + cfg_err_cpl_rdy_n : out std_logic; + cfg_err_locked_n : in std_logic; + cfg_interrupt_n : in std_logic; + cfg_interrupt_rdy_n : out std_logic; + cfg_pm_wake_n : in std_logic; + cfg_pcie_link_state_n : out std_logic_vector(2 downto 0); + cfg_to_turnoff_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_trn_pending_n : in std_logic; + cfg_bus_number : out std_logic_vector(7 downto 0); + cfg_device_number : out std_logic_vector(4 downto 0); + cfg_function_number : out std_logic_vector(2 downto 0); + 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_dsn : in std_logic_vector(63 downto 0); + + fast_train_simulation_only : in std_logic + ); + end component; + + signal sys_reset_n : std_logic; + + signal trn_clk : std_logic; + signal trn_reset_n : std_logic; + signal trn_lnk_up_n : std_logic; + + signal trn_rd : std_logic_vector(63 downto 0); + signal trn_rrem_n : std_logic_vector(7 downto 0); + signal trn_rsof_n : std_logic; + signal trn_reof_n : std_logic; + signal trn_rsrc_dsc_n : std_logic; + signal trn_rsrc_rdy_n : std_logic; + signal trn_rbar_hit_n : std_logic_vector(6 downto 0); + signal trn_rdst_rdy_n : std_logic; + signal trn_rerrfwd_n : std_logic; + signal trn_rnp_ok_n : std_logic; + signal trn_rfc_npd_av : std_logic_vector(11 downto 0); + signal trn_rfc_nph_av : std_logic_vector(7 downto 0); + signal trn_rfc_pd_av : std_logic_vector(11 downto 0); + signal trn_rfc_ph_av : std_logic_vector(7 downto 0); + signal trn_rcpl_streaming_n : std_logic; + + signal trn_td : std_logic_vector(63 downto 0); + signal trn_trem_n : std_logic_vector(7 downto 0); + signal trn_tsof_n : std_logic; + signal trn_teof_n : std_logic; + signal trn_tsrc_dsc_n : std_logic; + signal trn_tsrc_rdy_n : std_logic; + signal trn_tdst_dsc_n : std_logic; + signal trn_tdst_rdy_n : std_logic; + signal trn_terrfwd_n : std_logic; + signal trn_tbuf_av : std_logic_vector(3 downto 0); + + 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_cpl_abort_n : std_logic; + signal cfg_err_cpl_timeout_n : std_logic; + signal cfg_err_cpl_unexpect_n : std_logic; + signal cfg_err_ecrc_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_ur_n : std_logic; + signal cfg_err_cpl_rdy_n : std_logic; + signal cfg_err_locked_n : std_logic; + signal cfg_interrupt_n : std_logic; + signal cfg_interrupt_rdy_n : std_logic; + signal cfg_pm_wake_n : std_logic; + signal cfg_pcie_link_state_n : std_logic_vector(2 downto 0); + signal cfg_to_turnoff_n : std_logic; + signal cfg_interrupt_assert_n : std_logic; + signal cfg_interrupt_di : std_logic_vector(7 downto 0); + signal cfg_interrupt_do : std_logic_vector(7 downto 0); + signal cfg_interrupt_mmenable : std_logic_vector(2 downto 0); + signal cfg_interrupt_msienable : std_logic; + + signal cfg_trn_pending_n : std_logic; + signal cfg_bus_number : std_logic_vector(7 downto 0); + signal cfg_device_number : std_logic_vector(4 downto 0); + signal cfg_function_number : std_logic_vector(2 downto 0); + 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_dsn : std_logic_vector(63 downto 0); + + signal pcie_clk : std_logic; +begin + pcie_clk_ibuf : IBUFDS port map ( + O => pcie_clk, + I => pcie_clk_p, + IB => pcie_clk_n + ); + + sys_reset_n <= not reset25; + + trn_rdst_rdy_n <= '0'; + trn_rnp_ok_n <= '0'; + trn_rcpl_streaming_n <= '1'; + + trn_tsrc_dsc_n <= '1'; + trn_terrfwd_n <= '1'; + + cfg_di <= (others => '0'); + cfg_byte_en_n <= (others => '1'); + cfg_dwaddr <= (others => '0'); + cfg_wr_en_n <= '1'; + cfg_rd_en_n <= '1'; + + cfg_err_cor_n <= '1'; + cfg_err_cpl_abort_n <= '1'; + cfg_err_cpl_timeout_n <= '1'; + cfg_err_cpl_unexpect_n <= '1'; + cfg_err_ecrc_n <= '1'; + cfg_err_posted_n <= '1'; + cfg_err_tlp_cpl_header <= (others => '0'); + cfg_err_ur_n <= '1'; + cfg_err_locked_n <= '1'; + cfg_interrupt_n <= not interrupt; + cfg_pm_wake_n <= '1'; + cfg_interrupt_assert_n <= '1'; + cfg_interrupt_di <= (others => '0'); + interrupt_rdy <= not cfg_interrupt_rdy_n; + + cfg_trn_pending_n <= '1'; + cfg_dsn <= (others => '0'); + + ep : pcie_core port map ( + pci_exp_rxn => pci_exp_rxn, + pci_exp_rxp => pci_exp_rxp, + pci_exp_txn => pci_exp_txn, + pci_exp_txp => pci_exp_txp, + + sys_clk => pcie_clk, + sys_reset_n => sys_reset_n, + + refclkout => open, + + trn_clk => trn_clk, + trn_reset_n => trn_reset_n, + trn_lnk_up_n => trn_lnk_up_n, + + trn_rd => trn_rd, + trn_rrem_n => trn_rrem_n, + trn_rsof_n => trn_rsof_n, + trn_reof_n => trn_reof_n, + trn_rsrc_dsc_n => trn_rsrc_dsc_n, + trn_rsrc_rdy_n => trn_rsrc_rdy_n, + trn_rbar_hit_n => trn_rbar_hit_n, + trn_rdst_rdy_n => trn_rdst_rdy_n, + trn_rerrfwd_n => trn_rerrfwd_n, + trn_rnp_ok_n => trn_rnp_ok_n, + trn_rfc_npd_av => trn_rfc_npd_av, + trn_rfc_nph_av => trn_rfc_nph_av, + trn_rfc_pd_av => trn_rfc_pd_av, + trn_rfc_ph_av => trn_rfc_ph_av, + trn_rcpl_streaming_n => trn_rcpl_streaming_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_dsc_n => trn_tsrc_dsc_n, + trn_tsrc_rdy_n => trn_tsrc_rdy_n, + trn_tdst_dsc_n => trn_tdst_dsc_n, + trn_tdst_rdy_n => trn_tdst_rdy_n, + trn_terrfwd_n => trn_terrfwd_n, + trn_tbuf_av => trn_tbuf_av, + + 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_rd_en_n => cfg_rd_en_n, + + cfg_err_cor_n => cfg_err_cor_n, + cfg_err_cpl_abort_n => cfg_err_cpl_abort_n, + cfg_err_cpl_timeout_n => cfg_err_cpl_timeout_n, + cfg_err_cpl_unexpect_n => cfg_err_cpl_unexpect_n, + cfg_err_ecrc_n => cfg_err_ecrc_n, + cfg_err_posted_n => cfg_err_posted_n, + cfg_err_tlp_cpl_header => cfg_err_tlp_cpl_header, + cfg_err_ur_n => cfg_err_ur_n, + cfg_err_cpl_rdy_n => cfg_err_cpl_rdy_n, + cfg_err_locked_n => cfg_err_locked_n, + cfg_interrupt_n => cfg_interrupt_n, + cfg_interrupt_rdy_n => cfg_interrupt_rdy_n, + cfg_pm_wake_n => cfg_pm_wake_n, + cfg_pcie_link_state_n => cfg_pcie_link_state_n, + cfg_to_turnoff_n => cfg_to_turnoff_n, + cfg_interrupt_assert_n => cfg_interrupt_assert_n, + cfg_interrupt_di => cfg_interrupt_di, + cfg_interrupt_do => cfg_interrupt_do, + cfg_interrupt_mmenable => cfg_interrupt_mmenable, + cfg_interrupt_msienable => cfg_interrupt_msienable, + + cfg_trn_pending_n => cfg_trn_pending_n, + cfg_bus_number => cfg_bus_number, + cfg_device_number => cfg_device_number, + cfg_function_number => cfg_function_number, + 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_dsn => cfg_dsn, + + fast_train_simulation_only => '0' + ); + + clk125 <= trn_clk; + reset125 <= not trn_reset_n; + + rx_frame <= trn_rd; + rx_sof <= not trn_rsof_n; + rx_eof <= not trn_reof_n; + rx_valid <= not trn_rsrc_rdy_n; + + trn_td <= tx_frame; + trn_tsof_n <= not tx_sof; + trn_teof_n <= not tx_eof; + trn_tsrc_rdy_n <= not tx_valid; + trn_trem_n <= x"0F" when tx_half = '1' else x"00"; + + tx_ready <= not trn_tdst_rdy_n; + + bus_dev_func <= cfg_bus_number & cfg_device_number & cfg_function_number; + + max_read <= cfg_dcommand(14 downto 12); + max_write <= cfg_dcommand(7 downto 5); + + bar0 <= not trn_rbar_hit_n(0); +end arch; + |