lpp_lfr_time_management.vhd
83 lines
| 2.7 KiB
| text/x-vhdl
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VhdlLexer
martin
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r284 | ---------------------------------------------------------------------------------- | ||
| -- Company: | ||||
| -- Engineer: | ||||
| -- | ||||
| -- Create Date: 13:04:01 07/02/2012 | ||||
| -- Design Name: | ||||
| -- Module Name: lpp_lfr_time_management - Behavioral | ||||
| -- Project Name: | ||||
| -- Target Devices: | ||||
| -- Tool versions: | ||||
| -- Description: | ||||
| -- | ||||
| -- Dependencies: | ||||
| -- | ||||
| -- Revision: | ||||
| -- Revision 0.01 - File Created | ||||
| -- Additional Comments: | ||||
| -- | ||||
| ---------------------------------------------------------------------------------- | ||||
| library IEEE; | ||||
| use IEEE.STD_LOGIC_1164.all; | ||||
| library grlib; | ||||
| use grlib.amba.all; | ||||
| use grlib.stdlib.all; | ||||
| use grlib.devices.all; | ||||
| package lpp_lfr_time_management is | ||||
| --*************************** | ||||
| -- APB_LFR_TIME_MANAGEMENT | ||||
| component apb_lfr_time_management is | ||||
| generic( | ||||
| pindex : integer := 0; --! APB slave index | ||||
| paddr : integer := 0; --! ADDR field of the APB BAR | ||||
| pmask : integer := 16#fff#; --! MASK field of the APB BAR | ||||
| pirq : integer := 0; --! 2 consecutive IRQ lines are used | ||||
| masterclk : integer := 25000000; --! master clock in Hz | ||||
| timeclk : integer := 49152000; --! other clock in Hz | ||||
| finetimeclk : integer := 65536 --! divided clock used for the fine time counter | ||||
| ); | ||||
| Port ( | ||||
| clk25MHz : in STD_LOGIC; --! Clock | ||||
| clk49_152MHz : in STD_LOGIC; --! secondary clock | ||||
| resetn : in STD_LOGIC; --! Reset | ||||
| grspw_tick : in STD_LOGIC; --! grspw signal asserted when a valid time-code is received | ||||
| apbi : in apb_slv_in_type; --! APB slave input signals | ||||
| apbo : out apb_slv_out_type; --! APB slave output signals | ||||
| coarse_time : out std_logic_vector(31 downto 0); --! coarse time | ||||
| fine_time : out std_logic_vector(31 downto 0) --! fine time | ||||
| ); | ||||
| end component; | ||||
| component lfr_time_management is | ||||
| generic ( | ||||
| masterclk : integer := 25000000; -- master clock in Hz | ||||
| timeclk : integer := 49152000; -- 2nd clock in Hz | ||||
| finetimeclk : integer := 65536; -- divided clock used for the fine time counter | ||||
| nb_clk_div_ticks : integer := 1 -- nb ticks before commutation to AUTO state | ||||
| ); | ||||
| Port ( | ||||
| master_clock : in std_logic; --! Clock | ||||
| time_clock : in std_logic; --! 2nd Clock | ||||
| resetn : in std_logic; --! Reset | ||||
| grspw_tick : in std_logic; | ||||
| soft_tick : in std_logic; --! soft tick, load the coarse_time value | ||||
| coarse_time_load : in std_logic_vector(31 downto 0); | ||||
| coarse_time : out std_logic_vector(31 downto 0); | ||||
| fine_time : out std_logic_vector(31 downto 0); | ||||
| next_commutation : in std_logic_vector(31 downto 0); | ||||
| -- reset_next_commutation: out std_logic; | ||||
| irq1 : out std_logic; | ||||
| irq2 : out std_logic | ||||
| ); | ||||
| end component; | ||||
| end lpp_lfr_time_management; | ||||