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White Rabbit core collection
Commit 49ebab20 authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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wr_endpoint: top-level module with modified TX timestamping

parent 36138211
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Showing with 43 additions and 37 deletions
modules/wr_endpoint/wr_endpoint.vhd
View file @ 49ebab20
......@@ -6,7 +6,7 @@
-- Author : Tomasz Wlostowski
-- Company : CERN BE-Co-HT
-- Created : 2010-04-26
-- Last update: 2012-01-23
-- Last update: 2012-01-26
-- Platform : FPGA-generics
-- Standard : VHDL
-------------------------------------------------------------------------------
......@@ -45,7 +45,7 @@ entity wr_endpoint is
generic (
g_interface_mode : t_wishbone_interface_mode := CLASSIC;
g_address_granularity : t_wishbone_address_granularity := WORD;
g_tx_force_gap_length: integer := 0;
g_tx_force_gap_length : integer := 0;
g_simulation : boolean := false;
g_pcs_16bit : boolean := false;
g_rx_buffer_size : integer := 1024;
......@@ -103,9 +103,9 @@ entity wr_endpoint is
-------------------------------------------------------------------------------
gmii_tx_clk_i : in std_logic;
gmii_txd_o : out std_logic_vector(7 downto 0):=x"00";
gmii_tx_en_o : out std_logic := '0';
gmii_tx_er_o : out std_logic := '0';
gmii_txd_o : out std_logic_vector(7 downto 0) := x"00";
gmii_tx_en_o : out std_logic := '0';
gmii_tx_er_o : out std_logic := '0';
gmii_rx_clk_i : in std_logic;
gmii_rxd_i : in std_logic_vector(7 downto 0);
......@@ -263,8 +263,13 @@ architecture syn of wr_endpoint is
fc_pause_delay_i : in std_logic_vector(15 downto 0);
fc_pause_ack_o : out std_logic;
fc_flow_enable_i : in std_logic;
oob_fid_value_o : out std_logic_vector(15 downto 0);
oob_fid_stb_o : out std_logic;
txtsu_port_id_o : out std_logic_vector(4 downto 0);
txtsu_fid_o : out std_logic_vector(16 -1 downto 0);
txtsu_tsval_o : out std_logic_vector(28 + 4 - 1 downto 0);
txtsu_valid_o : out std_logic;
txtsu_ack_i : in std_logic;
txts_timestamp_i : in std_logic_vector(31 downto 0); --oob_fid_value_o : out std_logic_vector(15 downto 0);
-- oob_fid_stb_o : out std_logic;
regs_i : in t_ep_out_registers);
end component;
......@@ -342,7 +347,7 @@ architecture syn of wr_endpoint is
generic (
g_timestamp_bits_r : natural;
g_timestamp_bits_f : natural;
g_ref_clock_rate: integer);
g_ref_clock_rate : integer);
port (
clk_ref_i : in std_logic;
clk_sys_i : in std_logic;
......@@ -355,13 +360,9 @@ architecture syn of wr_endpoint is
rx_timestamp_stb_p_i : in std_logic;
rxts_timestamp_o : out std_logic_vector(31 downto 0);
rxts_timestamp_valid_o : out std_logic;
txoob_fid_i : in std_logic_vector(16 - 1 downto 0);
txoob_stb_p_i : in std_logic;
txtsu_port_id_o : out std_logic_vector(4 downto 0);
txtsu_fid_o : out std_logic_vector(16 -1 downto 0);
txtsu_tsval_o : out std_logic_vector(28 + 4 - 1 downto 0);
txtsu_valid_o : out std_logic;
txtsu_ack_i : in std_logic;
-- txoob_fid_i : in std_logic_vector(16 - 1 downto 0);
-- txoob_stb_p_i : in std_logic;
txts_timestamp_o : out std_logic_vector(31 downto 0);
regs_i : in t_ep_out_registers;
regs_o : out t_ep_in_registers);
end component;
......@@ -387,7 +388,7 @@ architecture syn of wr_endpoint is
signal rxpcs_timestamp_valid : std_logic;
signal rxpcs_timestamp_value : std_logic_vector(31 downto 0);
--signal txts_timestamp_value : std_logic_vector(28 + 4 - 1 downto 0);
signal txts_timestamp : std_logic_vector(28 + 4 - 1 downto 0);
--signal rxts_timestamp_value : std_logic_vector(28 + 4 - 1 downto 0);
--signal rxts_done_p : std_logic;
--signal txts_done_p : std_logic;
......@@ -481,8 +482,9 @@ architecture syn of wr_endpoint is
signal phase_meas_p : std_logic;
signal validity_cntr : unsigned(1 downto 0);
signal rtu_rq : t_ep_internal_rtu_request;
signal rtu_rq : t_ep_internal_rtu_request;
signal dvalid_tx, dvalid_rx : std_logic;
begin
-----------------------------------------------------------------------------
......@@ -565,13 +567,13 @@ begin
-- TX FRAMER
-------------------------------------------------------------------------------
txfra_enable <= link_ok and regs_fromwb.ecr_tx_en_o;
-- txfra_enable <= link_ok and regs_fromwb.ecr_tx_en_o;
U_Tx_Framer : ep_tx_framer
generic map (
g_with_vlans => g_with_vlans,
g_with_timestamper => g_with_timestamper,
g_force_gap_length =>g_tx_force_gap_length)
g_force_gap_length => g_tx_force_gap_length)
port map (
clk_sys_i => clk_sys_i,
rst_n_i => rst_n_i,
......@@ -585,9 +587,16 @@ begin
fc_pause_delay_i => txfra_pause_delay,
fc_pause_ack_o => txfra_pause_ack,
fc_flow_enable_i => txfra_flow_enable,
oob_fid_value_o => txoob_fid_value,
oob_fid_stb_o => txoob_fid_stb,
regs_i => regs_fromwb);
regs_i => regs_fromwb,
txts_timestamp_i => txts_timestamp,
txtsu_port_id_o => txtsu_port_id_o,
txtsu_fid_o => txtsu_frame_id_o,
txtsu_tsval_o => txtsu_tsval_o,
txtsu_valid_o => txtsu_valid_o,
txtsu_ack_i => txtsu_ack_i
);
txfra_flow_enable <= '1';
......@@ -716,7 +725,7 @@ begin
generic map (
g_timestamp_bits_r => 28,
g_timestamp_bits_f => 4,
g_ref_clock_rate => f_pick_rate(g_pcs_16bit))
g_ref_clock_rate => f_pick_rate(g_pcs_16bit))
port map (
clk_ref_i => clk_ref_i,
clk_rx_i => phy_rx_clk_i,
......@@ -732,18 +741,12 @@ begin
rxts_timestamp_o => rxpcs_timestamp_value,
rxts_timestamp_valid_o => rxpcs_timestamp_valid,
txoob_fid_i => txoob_fid_value,
txoob_stb_p_i => txoob_fid_stb,
--txoob_fid_i => txoob_fid_value,
--txoob_stb_p_i => txoob_fid_stb,
txtsu_port_id_o => txtsu_port_id_o,
txtsu_fid_o => txtsu_frame_id_o,
txtsu_tsval_o => txtsu_tsval_o,
txtsu_valid_o => txtsu_valid_o,
txtsu_ack_i => txtsu_ack_i,
regs_i => regs_fromwb,
regs_o => regs_towb_tsu);
txts_timestamp_o => txts_timestamp,
regs_i => regs_fromwb,
regs_o => regs_towb_tsu);
-------------------------------------------------------------------------------
......@@ -873,6 +876,9 @@ begin
end if;
end process;
dvalid_tx <= snk_cyc_i and snk_stb_i;
dvalid_rx <= src_out.cyc and src_out.stb;
gen_leds : if g_with_leds generate
U_Led_Ctrl : ep_leds_controller
generic map (
......@@ -880,8 +886,8 @@ begin
port map (
clk_sys_i => clk_sys_i,
rst_n_i => rst_n_i,
dvalid_tx_i => txpcs_fab.dvalid,
dvalid_rx_i => rxpcs_fab.dvalid,
dvalid_tx_i => dvalid_tx,
dvalid_rx_i => dvalid_rx,
link_ok_i => link_ok,
led_link_o => led_link_o,
led_act_o => led_act_o);
......
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