-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Title : pcie_core64_wishbone_m8
|
-- Title : pcie_core64_wishbone_m8
|
-- Author : Dmitry Smekhov
|
-- Author : Dmitry Smekhov
|
-- Company : Instrumental Systems
|
-- Company : Instrumental Systems
|
-- E-mail : dsmv@insys.ru
|
-- E-mail : dsmv@insys.ru
|
--
|
--
|
-- Version : 1.0
|
-- Version : 1.0
|
--
|
--
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Description : PCI Express controller
|
-- Description : PCI Express controller
|
-- Modification 8 - Wishbone - Virtex 5 PCI Express v1.1 x8
|
-- Modification 8 - Wishbone - Virtex 5 PCI Express v1.1 x8
|
--
|
--
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Version 1.0 20.04.2013
|
-- Version 1.0 20.04.2013
|
-- Created from pcie_core64_wishbone v1.3
|
-- Created from pcie_core64_wishbone v1.3
|
--
|
--
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
|
|
library ieee;
|
library ieee;
|
use ieee.std_logic_1164.all;
|
use ieee.std_logic_1164.all;
|
|
|
package pcie_core64_wishbone_m8_pkg is
|
package pcie_core64_wishbone_m8_pkg is
|
|
|
component pcie_core64_wishbone_m8 is
|
component pcie_core64_wishbone_m8 is
|
generic
|
generic
|
(
|
(
|
Device_ID : in std_logic_vector( 15 downto 0 ):=x"0000"; -- идентификатор модуля
|
Device_ID : in std_logic_vector( 15 downto 0 ):=x"0000"; -- идентификатор модуля
|
Revision : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия модуля
|
Revision : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия модуля
|
PLD_VER : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия ПЛИС
|
PLD_VER : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия ПЛИС
|
|
|
is_simulation : integer:=0 --! 0 - synthesis, 1 - simulation
|
is_simulation : integer:=0 --! 0 - synthesis, 1 - simulation
|
);
|
);
|
port
|
port
|
(
|
(
|
---- PCI-Express ----
|
---- PCI-Express ----
|
txp : out std_logic_vector( 7 downto 0 );
|
txp : out std_logic_vector( 7 downto 0 );
|
txn : out std_logic_vector( 7 downto 0 );
|
txn : out std_logic_vector( 7 downto 0 );
|
|
|
rxp : in std_logic_vector( 7 downto 0 );
|
rxp : in std_logic_vector( 7 downto 0 );
|
rxn : in std_logic_vector( 7 downto 0 );
|
rxn : in std_logic_vector( 7 downto 0 );
|
|
|
mgt250 : in std_logic; -- reference clock 250 MHz from PCI_Express
|
mgt250 : in std_logic; -- reference clock 250 MHz from PCI_Express
|
|
|
perst : in std_logic; -- 0 - reset
|
perst : in std_logic; -- 0 - reset
|
|
|
px : out std_logic_vector( 7 downto 0 ); --! контрольные точки
|
px : out std_logic_vector( 7 downto 0 ); --! контрольные точки
|
|
|
pcie_lstatus : out std_logic_vector( 15 downto 0 ); -- регистр LSTATUS
|
pcie_lstatus : out std_logic_vector( 15 downto 0 ); -- регистр LSTATUS
|
pcie_link_up : out std_logic; -- 0 - завершена инициализация PCI-Express
|
pcie_link_up : out std_logic; -- 0 - завершена инициализация PCI-Express
|
|
|
---- Wishbone SYS_CON -----
|
---- Wishbone SYS_CON -----
|
o_wb_clk : out std_logic;
|
o_wb_clk : out std_logic;
|
o_wb_rst : out std_logic;
|
o_wb_rst : out std_logic;
|
---- Wishbone BUS -----
|
---- Wishbone BUS -----
|
ov_wbm_addr : out std_logic_vector(31 downto 0);
|
ov_wbm_addr : out std_logic_vector(31 downto 0);
|
ov_wbm_data : out std_logic_vector(63 downto 0);
|
ov_wbm_data : out std_logic_vector(63 downto 0);
|
ov_wbm_sel : out std_logic_vector( 7 downto 0);
|
ov_wbm_sel : out std_logic_vector( 7 downto 0);
|
o_wbm_we : out std_logic;
|
o_wbm_we : out std_logic;
|
o_wbm_cyc : out std_logic;
|
o_wbm_cyc : out std_logic;
|
o_wbm_stb : out std_logic;
|
o_wbm_stb : out std_logic;
|
ov_wbm_cti : out std_logic_vector( 2 downto 0); -- Cycle Type Identifier Address Tag
|
ov_wbm_cti : out std_logic_vector( 2 downto 0); -- Cycle Type Identifier Address Tag
|
ov_wbm_bte : out std_logic_vector( 1 downto 0); -- Burst Type Extension Address Tag
|
ov_wbm_bte : out std_logic_vector( 1 downto 0); -- Burst Type Extension Address Tag
|
|
|
iv_wbm_data : in std_logic_vector(63 downto 0);
|
iv_wbm_data : in std_logic_vector(63 downto 0);
|
i_wbm_ack : in std_logic;
|
i_wbm_ack : in std_logic;
|
i_wbm_err : in std_logic; -- error input - abnormal cycle termination
|
i_wbm_err : in std_logic; -- error input - abnormal cycle termination
|
i_wbm_rty : in std_logic; -- retry input - interface is not ready
|
i_wbm_rty : in std_logic; -- retry input - interface is not ready
|
|
|
i_wdm_irq_0 : in std_logic;
|
i_wdm_irq_0 : in std_logic;
|
iv_wbm_irq_dmar : in std_logic_vector( 1 downto 0)
|
iv_wbm_irq_dmar : in std_logic_vector( 1 downto 0)
|
|
|
);
|
);
|
end component pcie_core64_wishbone_m8;
|
end component pcie_core64_wishbone_m8;
|
|
|
end package pcie_core64_wishbone_m8_pkg;
|
end package pcie_core64_wishbone_m8_pkg;
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
library ieee;
|
library ieee;
|
use ieee.std_logic_1164.all;
|
use ieee.std_logic_1164.all;
|
|
|
use work.core64_type_pkg.all;
|
use work.core64_type_pkg.all;
|
use work.pcie_core64_m1_pkg.all;
|
use work.pcie_core64_m1_pkg.all;
|
use work.core64_pb_wishbone_pkg.all;
|
use work.core64_pb_wishbone_pkg.all;
|
use work.block_pe_main_pkg.all;
|
use work.block_pe_main_pkg.all;
|
|
|
|
library unisim;
|
|
use unisim.vcomponents.all;
|
|
|
entity pcie_core64_wishbone_m8 is
|
entity pcie_core64_wishbone_m8 is
|
generic
|
generic
|
(
|
(
|
Device_ID : in std_logic_vector( 15 downto 0 ):=x"0000"; -- идентификатор модуля
|
Device_ID : in std_logic_vector( 15 downto 0 ):=x"0000"; -- идентификатор модуля
|
Revision : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия модуля
|
Revision : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия модуля
|
PLD_VER : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия ПЛИС
|
PLD_VER : in std_logic_vector( 15 downto 0 ):=x"0000"; -- версия ПЛИС
|
|
|
is_simulation : integer:=0 --! 0 - synthesis, 1 - simulation --! 0 - синтез, 1 - моделирование
|
is_simulation : integer:=0 --! 0 - synthesis, 1 - simulation --! 0 - синтез, 1 - моделирование
|
);
|
);
|
port
|
port
|
(
|
(
|
---- PCI-Express ----
|
---- PCI-Express ----
|
txp : out std_logic_vector( 7 downto 0 );
|
txp : out std_logic_vector( 7 downto 0 );
|
txn : out std_logic_vector( 7 downto 0 );
|
txn : out std_logic_vector( 7 downto 0 );
|
|
|
rxp : in std_logic_vector( 7 downto 0 );
|
rxp : in std_logic_vector( 7 downto 0 );
|
rxn : in std_logic_vector( 7 downto 0 );
|
rxn : in std_logic_vector( 7 downto 0 );
|
|
|
mgt250 : in std_logic; -- reference clock 250 MHz from PCI_Express
|
mgt250 : in std_logic; -- reference clock 250 MHz from PCI_Express
|
|
|
perst : in std_logic; -- 0 - reset
|
perst : in std_logic; -- 0 - reset
|
|
|
px : out std_logic_vector( 7 downto 0 ); --! контрольные точки
|
px : out std_logic_vector( 7 downto 0 ); --! контрольные точки
|
|
|
pcie_lstatus : out std_logic_vector( 15 downto 0 ); -- регистр LSTATUS
|
pcie_lstatus : out std_logic_vector( 15 downto 0 ); -- регистр LSTATUS
|
pcie_link_up : out std_logic; -- 0 - завершена инициализация PCI-Express
|
pcie_link_up : out std_logic; -- 0 - завершена инициализация PCI-Express
|
|
|
---- Wishbone SYS_CON -----
|
---- Wishbone SYS_CON -----
|
o_wb_clk : out std_logic;
|
o_wb_clk : out std_logic;
|
o_wb_rst : out std_logic;
|
o_wb_rst : out std_logic;
|
---- Wishbone BUS -----
|
---- Wishbone BUS -----
|
ov_wbm_addr : out std_logic_vector(31 downto 0);
|
ov_wbm_addr : out std_logic_vector(31 downto 0);
|
ov_wbm_data : out std_logic_vector(63 downto 0);
|
ov_wbm_data : out std_logic_vector(63 downto 0);
|
ov_wbm_sel : out std_logic_vector( 7 downto 0);
|
ov_wbm_sel : out std_logic_vector( 7 downto 0);
|
o_wbm_we : out std_logic;
|
o_wbm_we : out std_logic;
|
o_wbm_cyc : out std_logic;
|
o_wbm_cyc : out std_logic;
|
o_wbm_stb : out std_logic;
|
o_wbm_stb : out std_logic;
|
ov_wbm_cti : out std_logic_vector( 2 downto 0); -- Cycle Type Identifier Address Tag
|
ov_wbm_cti : out std_logic_vector( 2 downto 0); -- Cycle Type Identifier Address Tag
|
ov_wbm_bte : out std_logic_vector( 1 downto 0); -- Burst Type Extension Address Tag
|
ov_wbm_bte : out std_logic_vector( 1 downto 0); -- Burst Type Extension Address Tag
|
|
|
iv_wbm_data : in std_logic_vector(63 downto 0);
|
iv_wbm_data : in std_logic_vector(63 downto 0);
|
i_wbm_ack : in std_logic;
|
i_wbm_ack : in std_logic;
|
i_wbm_err : in std_logic; -- error input - abnormal cycle termination
|
i_wbm_err : in std_logic; -- error input - abnormal cycle termination
|
i_wbm_rty : in std_logic; -- retry input - interface is not ready
|
i_wbm_rty : in std_logic; -- retry input - interface is not ready
|
|
|
i_wdm_irq_0 : in std_logic;
|
i_wdm_irq_0 : in std_logic;
|
iv_wbm_irq_dmar : in std_logic_vector( 1 downto 0)
|
iv_wbm_irq_dmar : in std_logic_vector( 1 downto 0)
|
|
|
);
|
);
|
end pcie_core64_wishbone_m8;
|
end pcie_core64_wishbone_m8;
|
|
|
architecture pcie_core64_wishbone_m8 of pcie_core64_wishbone_m8 is
|
architecture pcie_core64_wishbone_m8 of pcie_core64_wishbone_m8 is
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- BAR0 - блоки управления ----
|
-- BAR0 - блоки управления ----
|
signal bp_host_data : std_logic_vector( 31 downto 0 ); --! шина данных - выход
|
signal bp_host_data : std_logic_vector( 31 downto 0 ); --! шина данных - выход
|
signal bp_data : std_logic_vector( 31 downto 0 ); --! шина данных - вход
|
signal bp_data : std_logic_vector( 31 downto 0 ); --! шина данных - вход
|
signal bp_adr : std_logic_vector( 19 downto 0 ); --! адрес регистра внутри блока
|
signal bp_adr : std_logic_vector( 19 downto 0 ); --! адрес регистра внутри блока
|
signal bp_we : std_logic_vector( 3 downto 0 ); --! 1 - запись в регистры
|
signal bp_we : std_logic_vector( 3 downto 0 ); --! 1 - запись в регистры
|
signal bp_rd : std_logic_vector( 3 downto 0 ); --! 1 - чтение из регистров блока
|
signal bp_rd : std_logic_vector( 3 downto 0 ); --! 1 - чтение из регистров блока
|
signal bp_sel : std_logic_vector( 1 downto 0 ); --! номер блока для чтения
|
signal bp_sel : std_logic_vector( 1 downto 0 ); --! номер блока для чтения
|
signal bp_reg_we : std_logic; --! 1 - запись в регистр по адресам 0x100000 - 0x1FFFFF
|
signal bp_reg_we : std_logic; --! 1 - запись в регистр по адресам 0x100000 - 0x1FFFFF
|
signal bp_reg_rd : std_logic; --! 1 - чтение из регистра по адресам 0x100000 - 0x1FFFFF
|
signal bp_reg_rd : std_logic; --! 1 - чтение из регистра по адресам 0x100000 - 0x1FFFFF
|
signal bp_irq : std_logic; --! 1 - запрос прерывания
|
signal bp_irq : std_logic; --! 1 - запрос прерывания
|
|
|
signal pb_master : type_pb_master; --! запрос
|
signal pb_master : type_pb_master; --! запрос
|
signal pb_slave : type_pb_slave; --! ответ
|
signal pb_slave : type_pb_slave; --! ответ
|
|
|
signal pb_reset : std_logic;
|
signal pb_reset : std_logic;
|
signal brd_mode : std_logic_vector( 15 downto 0 );
|
signal brd_mode : std_logic_vector( 15 downto 0 );
|
|
|
signal bp0_data : std_logic_vector( 31 downto 0 );
|
signal bp0_data : std_logic_vector( 31 downto 0 );
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Declare Global SYS_CON stuff:
|
-- Declare Global SYS_CON stuff:
|
signal clk : std_logic;
|
signal clk : std_logic;
|
signal reset : std_logic;
|
signal reset : std_logic;
|
signal dcm_rst_out : std_logic;
|
signal dcm_rst_out : std_logic;
|
signal reset_p : std_logic;
|
signal reset_p : std_logic;
|
signal reset_p_z1 : std_logic;
|
signal reset_p_z1 : std_logic;
|
signal reset_p_z2 : std_logic;
|
signal reset_p_z2 : std_logic;
|
|
|
|
signal clk125x : std_logic:='0';
|
|
signal clk125 : std_logic;
|
|
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
begin
|
begin
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Instantiate CORE64_M6 module with PB BUS:
|
-- Instantiate CORE64_M6 module with PB BUS:
|
--
|
--
|
CORE : pcie_core64_m1
|
CORE : pcie_core64_m1
|
generic map
|
generic map
|
(
|
(
|
is_simulation => is_simulation --! 0 - synthesis, 1 - simulation
|
is_simulation => is_simulation --! 0 - synthesis, 1 - simulation
|
)
|
)
|
port map
|
port map
|
(
|
(
|
---- PCI-Express ----
|
---- PCI-Express ----
|
txp => txp,
|
txp => txp,
|
txn => txn,
|
txn => txn,
|
|
|
rxp => rxp,
|
rxp => rxp,
|
rxn => rxn,
|
rxn => rxn,
|
|
|
mgt250 => mgt250,
|
mgt250 => mgt250,
|
|
|
perst => perst,
|
perst => perst,
|
|
|
px => px,
|
px => px,
|
|
|
pcie_lstatus => pcie_lstatus,
|
pcie_lstatus => pcie_lstatus,
|
pcie_link_up => pcie_link_up,
|
pcie_link_up => pcie_link_up,
|
|
|
---- Локальная шина ----
|
---- Локальная шина ----
|
clk_out => clk, -- S6 PCIE x1 module clock output
|
clk_out => clk, -- S6 PCIE x1 module clock output
|
reset_out => reset, --
|
reset_out => reset, --
|
dcm_rstp => dcm_rst_out, -- S6 PCIE x1 module INV trn_reset_n_c
|
dcm_rstp => dcm_rst_out, -- S6 PCIE x1 module INV trn_reset_n_c
|
|
|
---- BAR1 (PB bus) ----
|
---- BAR1 (PB bus) ----
|
aclk => clk, -- !!! same clock as clk_out
|
aclk => clk125,
|
aclk_lock => '1', --
|
aclk_lock => '1', --
|
pb_master => pb_master, --
|
pb_master => pb_master, --
|
pb_slave => pb_slave, --
|
pb_slave => pb_slave, --
|
|
|
---- BAR0 (to PE_MAIN) - блоки управления ----
|
---- BAR0 (to PE_MAIN) - блоки управления ----
|
bp_host_data => bp_host_data,
|
bp_host_data => bp_host_data,
|
bp_data => bp_data,
|
bp_data => bp_data,
|
bp_adr => bp_adr,
|
bp_adr => bp_adr,
|
bp_we => bp_we,
|
bp_we => bp_we,
|
bp_rd => bp_rd,
|
bp_rd => bp_rd,
|
bp_sel => bp_sel,
|
bp_sel => bp_sel,
|
bp_reg_we => bp_reg_we,
|
bp_reg_we => bp_reg_we,
|
bp_reg_rd => bp_reg_rd,
|
bp_reg_rd => bp_reg_rd,
|
bp_irq => bp_irq
|
bp_irq => bp_irq
|
|
|
);
|
);
|
|
|
|
clk125x <= not clk125x after 0.5 ns when rising_edge( clk );
|
|
xclk125: bufg port map( clk125, clk125x );
|
|
|
reset_p <= (not reset) or (not brd_mode(3));
|
reset_p <= (not reset) or (not brd_mode(3));
|
reset_p_z1 <= reset_p after 1 ns when rising_edge( clk );
|
reset_p_z1 <= reset_p after 1 ns when rising_edge( clk125 );
|
reset_p_z2 <= reset_p_z1 after 1 ns when rising_edge( clk );
|
reset_p_z2 <= reset_p_z1 after 1 ns when rising_edge( clk125 );
|
|
|
-- Deal with CORE BP Input data:
|
-- Deal with CORE BP Input data:
|
bp_data <= bp0_data when bp_sel="00" else (others=>'0');
|
bp_data <= bp0_data when bp_sel="00" else (others=>'0');
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Instantiate PE_MAIN module:
|
-- Instantiate PE_MAIN module:
|
--
|
--
|
PE_MAIN : block_pe_main
|
PE_MAIN : block_pe_main
|
generic map
|
generic map
|
(
|
(
|
Device_ID => Device_ID, -- идентификатор модуля
|
Device_ID => Device_ID, -- идентификатор модуля
|
Revision => Revision, -- версия модуля
|
Revision => Revision, -- версия модуля
|
PLD_VER => PLD_VER, -- версия ПЛИС
|
PLD_VER => PLD_VER, -- версия ПЛИС
|
BLOCK_CNT => x"0008" -- число блоков управления
|
BLOCK_CNT => x"0008" -- число блоков управления
|
)
|
)
|
port map
|
port map
|
(
|
(
|
---- Global ----
|
---- Global ----
|
reset_hr1 => reset, -- 0 - сброс
|
reset_hr1 => reset, -- 0 - сброс
|
clk => clk, -- Тактовая частота PCIE x1 S6
|
clk => clk, -- Тактовая частота PCIE x1 S6
|
pb_reset => pb_reset, -- 0 - сброс ведомой ПЛИС
|
pb_reset => pb_reset, -- 0 - сброс ведомой ПЛИС
|
|
|
---- HOST ----
|
---- HOST ----
|
bl_adr => bp_adr( 4 downto 0 ), -- адрес
|
bl_adr => bp_adr( 4 downto 0 ), -- адрес
|
bl_data_in => bp_host_data, -- данные
|
bl_data_in => bp_host_data, -- данные
|
bl_data_out => bp0_data, -- данные
|
bl_data_out => bp0_data, -- данные
|
bl_data_we => bp_we(0), -- 1 - запись данных
|
bl_data_we => bp_we(0), -- 1 - запись данных
|
|
|
---- Управление ----
|
---- Управление ----
|
brd_mode => brd_mode -- регистр BRD_MODE
|
brd_mode => brd_mode -- регистр BRD_MODE
|
|
|
);
|
);
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Instantiate PB BUS <-> WB BUS translator module:
|
-- Instantiate PB BUS <-> WB BUS translator module:
|
--
|
--
|
PW_WB : core64_pb_wishbone
|
PW_WB : core64_pb_wishbone
|
port map
|
port map
|
(
|
(
|
reset => reset_p_z2, --! 1 - сброс
|
reset => reset_p_z2, --! 1 - сброс
|
clk => clk, --! тактовая частота локальной шины
|
clk => clk125, --! тактовая частота локальной шины
|
|
|
---- BAR1 ----
|
---- BAR1 ----
|
pb_master => pb_master, --! запрос
|
pb_master => pb_master, --! запрос
|
pb_slave => pb_slave, --! ответ
|
pb_slave => pb_slave, --! ответ
|
|
|
---- Wishbone BUS -----
|
---- Wishbone BUS -----
|
ov_wbm_addr => ov_wbm_addr,
|
ov_wbm_addr => ov_wbm_addr,
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ov_wbm_data => ov_wbm_data,
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ov_wbm_data => ov_wbm_data,
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ov_wbm_sel => ov_wbm_sel,
|
ov_wbm_sel => ov_wbm_sel,
|
o_wbm_we => o_wbm_we,
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o_wbm_we => o_wbm_we,
|
o_wbm_cyc => o_wbm_cyc,
|
o_wbm_cyc => o_wbm_cyc,
|
o_wbm_stb => o_wbm_stb,
|
o_wbm_stb => o_wbm_stb,
|
ov_wbm_cti => ov_wbm_cti, -- Cycle Type Identifier Address Tag
|
ov_wbm_cti => ov_wbm_cti, -- Cycle Type Identifier Address Tag
|
ov_wbm_bte => ov_wbm_bte, -- Burst Type Extension Address Tag
|
ov_wbm_bte => ov_wbm_bte, -- Burst Type Extension Address Tag
|
|
|
iv_wbm_data => iv_wbm_data,
|
iv_wbm_data => iv_wbm_data,
|
i_wbm_ack => i_wbm_ack,
|
i_wbm_ack => i_wbm_ack,
|
i_wbm_err => i_wbm_err, -- error input - abnormal cycle termination
|
i_wbm_err => i_wbm_err, -- error input - abnormal cycle termination
|
i_wbm_rty => i_wbm_rty, -- retry input - interface is not ready
|
i_wbm_rty => i_wbm_rty, -- retry input - interface is not ready
|
|
|
i_wdm_irq_0 => i_wdm_irq_0,
|
i_wdm_irq_0 => i_wdm_irq_0,
|
iv_wbm_irq_dmar => iv_wbm_irq_dmar
|
iv_wbm_irq_dmar => iv_wbm_irq_dmar
|
);
|
);
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-- Module Output route:
|
-- Module Output route:
|
--
|
--
|
o_wb_clk <= clk; -- route from PW_WB wrk clock
|
o_wb_clk <= clk125; -- route from PW_WB wrk clock
|
--
|
--
|
pr_o_wb_rst: process( reset_p, clk ) begin
|
pr_o_wb_rst: process( reset_p, clk125 ) begin
|
if( reset_p='1' ) then
|
if( reset_p='1' ) then
|
o_wb_rst <= '1' after 1 ns;
|
o_wb_rst <= '1' after 1 ns;
|
elsif( rising_edge( clk ) ) then
|
elsif( rising_edge( clk125 ) ) then
|
o_wb_rst <= reset_p_z2 after 1 ns;
|
o_wb_rst <= reset_p_z2 after 1 ns;
|
end if;
|
end if;
|
end process;
|
end process;
|
|
|
|
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
end pcie_core64_wishbone_m8;
|
end pcie_core64_wishbone_m8;
|
|
|