--- /dev/null
+--Media interface for Lattice ECP5 using PCS at 2GHz
+
+
+LIBRARY IEEE;
+USE IEEE.std_logic_1164.ALL;
+USE IEEE.numeric_std.all;
+
+library work;
+use work.trb_net_std.all;
+use work.config.all;
+use work.trb_net_components.all;
+use work.med_sync_define.all;
+
+entity med_ecp5_sfp_sync_4 is
+ generic(
+ IS_SYNC_SLAVE : int_array_t(0 to 3) := (c_YES, c_NO, c_NO, c_NO) --select slave mode
+ );
+ port(
+ CLK_REF_FULL : in std_logic; -- 200 MHz reference clock
+ CLK_INTERNAL_FULL : in std_logic; -- internal 200 MHz, always on
+ SYSCLK : in std_logic; -- 100 MHz main clock net, synchronous to RX clock
+ RESET : in std_logic; -- synchronous reset
+ CLEAR : in std_logic; -- asynchronous reset
+ --Internal Connection TX
+ MEDIA_MED2INT : out med2int_array_t(0 to 3);
+ MEDIA_INT2MED : in int2med_array_t(0 to 3);
+
+ --Sync operation
+ RX_DLM : out std_logic_vector(3 downto 0) := x"0";
+ RX_DLM_WORD : out std_logic_vector(31 downto 0) := (others => '0');
+ TX_DLM : in std_logic_vector(3 downto 0) := x"0";
+ TX_DLM_WORD : in std_logic_vector(31 downto 0) := (others => '0');
+
+ --SFP Connection
+ SD_PRSNT_N_IN : in std_logic_vector(3 downto 0); -- SFP Present ('0' = SFP in place, '1' = no SFP mounted)
+ SD_LOS_IN : in std_logic_vector(3 downto 0); -- SFP Loss Of Signal ('0' = OK, '1' = no signal)
+ SD_TXDIS_OUT : out std_logic_vector(3 downto 0) := x"0"; -- SFP disable
+ --Control Interface
+ BUS_RX : in CTRLBUS_RX;
+ BUS_TX : out CTRLBUS_TX;
+
+ -- Status and control port
+ STAT_DEBUG : out std_logic_vector (63 downto 0);
+ CTRL_DEBUG : in std_logic_vector (63 downto 0) := (others => '0')
+ );
+end entity;
+
+
+architecture arch of med_ecp5_sfp_sync_4 is
+
+ -- Placer Directives
+ attribute HGROUP : string;
+ -- for whole architecture
+ attribute HGROUP of arch : architecture is "media_interface_group";
+ attribute syn_sharing : string;
+ attribute syn_sharing of arch : architecture is "off";
+ attribute syn_hier : string;
+ attribute syn_hier of arch : architecture is "hard";
+
+-- signal clk_200_i : std_logic;
+signal clk_200_ref : std_logic;
+signal clk_rx_full : std_logic_vector(3 downto 0);
+signal clk_tx_full : std_logic_vector(3 downto 0);
+signal reset_n : std_logic;
+
+signal tx_data : std_logic_vector(31 downto 0);
+signal tx_k : std_logic_vector(3 downto 0);
+signal rx_data : std_logic_vector(31 downto 0);
+signal rx_k : std_logic_vector(3 downto 0);
+signal rx_error : std_logic_vector(3 downto 0);
+
+signal rst_n : std_logic;
+signal rx_serdes_rst : std_logic_vector(3 downto 0);
+signal tx_serdes_rst : std_logic_vector(3 downto 0);
+signal tx_pcs_rst : std_logic_vector(3 downto 0);
+signal rx_pcs_rst : std_logic_vector(3 downto 0);
+signal rst_qd : std_logic_vector(3 downto 0);
+signal serdes_rst_qd : std_logic_vector(3 downto 0);
+
+signal rx_los_low : std_logic_vector(3 downto 0);
+signal lsm_status : std_logic_vector(3 downto 0);
+signal rx_cdr_lol : std_logic_vector(3 downto 0);
+signal tx_pll_lol : std_logic;
+
+signal sci_ch_i : std_logic_vector(4 downto 0);
+signal sci_addr_i : std_logic_vector(5 downto 0);
+signal sci_data_in_i : std_logic_vector(7 downto 0);
+signal sci_data_out_i : std_logic_vector(7 downto 0);
+signal sci_read_i : std_logic;
+signal sci_write_i : std_logic;
+
+signal wa_position : std_logic_vector(15 downto 0) := x"FFFF";
+signal wa_position_sel : std_logic_vector(3 downto 0);
+
+signal stat_rx_control_i : std_logic_vector(127 downto 0);
+signal stat_tx_control_i : std_logic_vector(127 downto 0);
+signal debug_rx_control_i : std_logic_vector(127 downto 0);
+signal debug_tx_control_i : std_logic_vector(127 downto 0);
+signal stat_fsm_reset_i : std_logic_vector(127 downto 0);
+signal debug_med_sync_control_i : std_logic_vector(127 downto 0);
+
+signal rx_ready, tx_ready : std_logic_vector(3 downto 0);
+signal hdinp, hdinn, hdoutp, hdoutn : std_logic_vector(3 downto 0);
+attribute nopad : string;
+attribute nopad of hdinp, hdinn, hdoutp, hdoutn : signal is "true";
+
+signal stat_med : std_logic_vector(127 downto 0);
+
+begin
+
+reset_n <= not RESET;
+clk_200_ref <= CLK_REF_FULL;
+
+SD_TXDIS_OUT <= not rx_ready when IS_SYNC_SLAVE = 1 else '0'; --slave only switches on when RX is ready
+-- SD_TXDIS_OUT <= RESET;
+
+-- gen_slave_clock : if IS_SYNC_SLAVE = c_YES generate
+-- clk_200_i <= clk_rx_full;
+-- end generate;
+--
+-- gen_master_clock : if IS_SYNC_SLAVE = c_NO generate
+-- clk_200_i <= clk_200_internal;
+-- end generate;
+
+
+-------------------------------------------------
+-- Serdes
+-------------------------------------------------
+ THE_SERDES : entity work.pcs
+ port map(
+ serdes_sync_0_hdinp => hdinp,
+ serdes_sync_0_hdinn => hdinn,
+ serdes_sync_0_hdoutp => hdoutp,
+ serdes_sync_0_hdoutn => hdoutn,
+ serdes_sync_0_rxrefclk => CLK_INTERNAL_FULL,
+ serdes_sync_0_rx_pclk => clk_rx_full,
+ serdes_sync_0_tx_pclk => clk_tx_full,
+
+ serdes_sync_0_txdata => tx_data,
+ serdes_sync_0_tx_k(0) => tx_k,
+ serdes_sync_0_tx_force_disp(0) => '0',
+ serdes_sync_0_tx_disp_sel(0) => '0',
+ serdes_sync_0_rxdata => rx_data,
+ serdes_sync_0_rx_k(0) => rx_k,
+ serdes_sync_0_rx_disp_err(0) => open,
+ serdes_sync_0_rx_cv_err(0) => rx_error,
+
+ serdes_sync_0_tx_idle_c => '0',
+ serdes_sync_0_signal_detect_c => '0', --?force enable
+ serdes_sync_0_rx_los_low_s => rx_los_low,
+ serdes_sync_0_lsm_status_s => lsm_status,
+ serdes_sync_0_rx_cdr_lol_s => rx_cdr_lol,
+ serdes_sync_0_rx_pcs_rst_c => rx_pcs_rst,
+ serdes_sync_0_tx_pcs_rst_c => tx_pcs_rst,
+ serdes_sync_0_rx_serdes_rst_c => rx_serdes_rst,
+
+
+ serdes_sync_0_sci_wrdata => sci_data_in_i,
+ serdes_sync_0_sci_rddata => sci_data_out_i,
+ serdes_sync_0_sci_addr => sci_addr_i,
+ serdes_sync_0_sci_en_dual => reset_n, --sci_ch_i(4), --?
+ serdes_sync_0_sci_sel_dual => sci_ch_i(4),
+ serdes_sync_0_sci_en => reset_n, --sci_ch_i(0), --?
+ serdes_sync_0_sci_sel => sci_ch_i(0),
+ serdes_sync_0_sci_rd => sci_read_i,
+ serdes_sync_0_sci_wrn => sci_write_i,
+ serdes_sync_0_sci_int => open,
+
+ serdes_sync_0_cyawstn => '0', --?
+ serdes_sync_0_rst_dual_c => rst_qd,
+ serdes_sync_0_serdes_rst_dual_c => '0',
+ serdes_sync_0_tx_pwrup_c => '1',
+ serdes_sync_0_rx_pwrup_c => '1',
+ serdes_sync_0_serdes_pdb => '1',
+ serdes_sync_0_tx_serdes_rst_c => tx_serdes_rst,
+
+ serdes_sync_0_pll_refclki => CLK_REF_FULL,
+-- sli_rst => '0',
+ serdes_sync_0_pll_lol => tx_pll_lol,
+ serdes_sync_0_rsl_disable => '1',
+ serdes_sync_0_rsl_rst => '0', --CLEAR,
+ serdes_sync_0_rsl_rx_rdy => rx_ready,
+ serdes_sync_0_rsl_tx_rdy => tx_ready
+ );
+
+
+gen_channels : for i in 0 to 3 generate
+ tx_serdes_rst(i) <= '0'; --SD_LOS_IN; --no function
+ serdes_rst_qd(i) <= '0'; --included in rst_qd
+
+THE_MED_CONTROL : entity work.med_sync_control
+ generic map(
+ IS_SYNC_SLAVE => IS_SYNC_SLAVE(i),
+ IS_TX_RESET => 1
+ )
+ port map(
+ CLK_SYS => SYSCLK,
+ CLK_RXI => clk_rx_full(i), --clk_rx_full,
+ CLK_RXHALF => '0',
+ CLK_TXI => clk_tx_full(i), --clk_200_ref, --clk_200_internal, --clk_tx_full, JM150706
+ CLK_REF => CLK_INTERNAL_FULL,
+ RESET => RESET,
+ CLEAR => CLEAR,
+
+ SFP_LOS => SD_LOS_IN(i),
+ TX_LOL => tx_pll_lol(i),
+ RX_CDR_LOL => rx_cdr_lol(i),
+ RX_LOS => rx_los_low(i),
+ WA_POSITION => x"0",
+
+ RX_SERDES_RST => rx_serdes_rst(i),
+ RX_PCS_RST => rx_pcs_rst(i),
+ QUAD_RST => rst_qd(i),
+ TX_PCS_RST => tx_pcs_rst(i),
+
+ MEDIA_MED2INT => MEDIA_MED2INT(i),
+ MEDIA_INT2MED => MEDIA_INT2MED(i),
+
+ TX_DATA => tx_data(i*8-1 downto i*8),
+ TX_K => tx_k(i),
+ RX_DATA => rx_data(i*8-1 downto i*8),
+ RX_K => rx_k(i),
+
+ TX_DLM_WORD => TX_DLM_WORD(i*8-1 downto i*8),
+ TX_DLM => TX_DLM(i),
+ RX_DLM_WORD => RX_DLM_WORD(i*8-1 downto i*8),
+ RX_DLM => RX_DLM(i),
+
+ SERDES_RX_READY_IN => rx_ready(i),
+ SERDES_TX_READY_IN => tx_ready(i),
+
+ STAT_TX_CONTROL => stat_tx_control_i(i*32-1 downto i*32),
+ STAT_RX_CONTROL => stat_rx_control_i(i*32-1 downto i*32),
+ DEBUG_TX_CONTROL => debug_tx_control_i(i*32-1 downto i*32),
+ DEBUG_RX_CONTROL => debug_rx_control_i(i*32-1 downto i*32),
+ STAT_RESET => stat_fsm_reset_i(i*32-1 downto i*32),
+ DEBUG_OUT => debug_med_sync_control_i(i*32-1 downto i*32)
+ );
+
+-- STAT_DEBUG(4 downto 0) <= debug_rx_control_i(4 downto 0);
+-- STAT_DEBUG(6 downto 5) <= stat_fsm_reset_i(9 downto 8);
+-- STAT_DEBUG(7) <= '0';
+-- STAT_DEBUG(15 downto 8) <= stat_fsm_reset_i(7 downto 0);
+-- STAT_DEBUG(15 downto 0) <= debug_tx_control_i(31 downto 16);
+-- STAT_DEBUG(31 downto 0) <= debug_rx_control_i(31 downto 0);
+ STAT_DEBUG(3 downto 0) <= debug_med_sync_control_i(3 downto 0);
+ STAT_DEBUG(7 downto 4) <= rx_los_low(0) & lsm_status(0) & rx_cdr_lol(0) & tx_pll_lol(0);
+-- STAT_DEBUG(9) <= CLK_REF_FULL;
+-- STAT_DEBUG(10) <= clk_rx_full;
+-- STAT_DEBUG(11) <= clk_tx_full;
+
+
+ stat_med(i*32+0) <= rst_qd;
+ stat_med(i*32+1) <= rx_pcs_rst;
+ stat_med(i*32+2) <= tx_pcs_rst;
+ stat_med(i*32+3) <= rx_serdes_rst;
+ stat_med(i*32+4) <= tx_pll_lol;
+ stat_med(i*32+5) <= rx_cdr_lol;
+ stat_med(i*32+6) <= rx_los_low;
+ stat_med(i*32+7) <= rx_ready;
+ stat_med(i*32+8) <= tx_ready;
+ stat_med(i*32+9) <= lsm_status;
+ stat_med(i*32+31 downto i*32+10) <= (others => '0');
+end generate;
+
+
+
+THE_SCI_READER : entity work.sci_reader
+ port map(
+ CLK => SYSCLK,
+ RESET => RESET,
+
+ --SCI
+ SCI_WRDATA => sci_data_in_i,
+ SCI_RDDATA => sci_data_out_i,
+ SCI_ADDR => sci_addr_i,
+ SCI_SEL => sci_ch_i,
+ SCI_RD => sci_read_i,
+ SCI_WR => sci_write_i,
+
+ WA_POS_OUT => wa_position,
+
+ --Slowcontrol
+ BUS_RX => BUS_RX,
+ BUS_TX => BUS_TX,
+
+ MEDIA_STATUS_REG_IN(31 downto 0) => stat_rx_control_i,
+ MEDIA_STATUS_REG_IN(63 downto 32) => stat_tx_control_i,
+ MEDIA_STATUS_REG_IN(95 downto 64) => stat_fsm_reset_i,
+ MEDIA_STATUS_REG_IN(223 downto 96) => stat_med,
+ MEDIA_STATUS_REG_IN(255 downto 224) => (others => '0'),
+ DEBUG_OUT => open
+ );
+
+
+end architecture;
+
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