use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.all;
-use work.mbl_Pkg.all;
+use work.mbl_pkg.all;
+use work.util_pkg.all;
-- Entities within lx_rocon
package lx_rocon_pkg is
- -- IRC register
- component irc_register
+ -- Types
+ type IRC_INPUT_Type is record
+ a, b : std_logic;
+ index : std_logic;
+ mark : std_logic;
+ end record;
+ --
+ type IRC_COUNT_OUTPUT_Type is record
+ qcount : std_logic_vector(7 downto 0);
+ index : std_logic_vector(7 downto 0);
+ index_event : std_logic;
+ end record;
+ --
+ type IRC_STATE_OUTPUT_Type is record
+ ab_error : std_logic;
+ index : std_logic;
+ index_event : std_logic;
+ mark : std_logic;
+ end record;
+ --
+ type IRC_OUTPUT_Type is record
+ count : IRC_COUNT_OUTPUT_Type;
+ state : IRC_STATE_OUTPUT_Type;
+ end record;
+
+ -- Arrays
+ type IRC_INPUT_Array_Type is array (natural range <>) of IRC_INPUT_Type;
+ type IRC_OUTPUT_Array_Type is array (natural range <>) of IRC_OUTPUT_Type;
+ type IRC_COUNT_OUTPUT_Array_Type is array (natural range <>) of IRC_COUNT_OUTPUT_Type;
+ type IRC_STATE_OUTPUT_Array_Type is array (natural range <>) of IRC_STATE_OUTPUT_Type;
+
+ -- IRC coprocessor MAIN
+ component irc_proc_main
+ generic
+ (
+ num_irc_g : positive := 4
+ );
port
(
- clk : in std_logic;
- reset : in std_logic;
- a0, b0 : in std_logic;
- index0 : in std_logic;
- mark0 : in std_logic;
- data_in : in std_logic;
- data_out : out std_logic_vector(31 downto 0);
- ce : in std_logic_vector(1 downto 0);
- rd : in std_logic;
- ta : out std_logic;
- wr : in std_logic
+ -- Basic input
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Signals from IRC
+ irc_i : in IRC_COUNT_OUTPUT_Array_Type((num_irc_g-1) downto 0);
+ -- Index resetting
+ irc_index_reset_o : out std_logic_vector((num_irc_g-1) downto 0);
+ -- BRAM access
+ mem_clk_i : in std_logic;
+ mem_en_i : in std_logic;
+ mem_we_i : in std_logic_vector(3 downto 0);
+ mem_addr_i : in std_logic_vector(ceil_log2(num_irc_g) downto 0);
+ mem_data_i : in std_logic_vector(31 downto 0);
+ mem_data_o : out std_logic_vector(31 downto 0)
);
end component;
- -- BCD counter
- component bcd
+ -- IRC coprocessor INC
+ component irc_proc_inc
generic
(
- width : integer
+ num_irc_g : positive := 4
);
port
(
- reset : in std_logic;
- en : in std_logic;
- clk : in std_logic;
- value : out std_logic_vector((width-1) downto 0)
+ -- Clock
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Output
+ op_o : out std_logic_vector(1 downto 0);
+ axis_o : out std_logic_vector((ceil_log2(num_irc_g)-1) downto 0)
);
end component;
+ -- IRC reader
+ component irc_reader
+ port
+ (
+ -- Inputs
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ irc_i : in IRC_INPUT_Type;
+ -- State
+ reset_index_event_i : in std_logic;
+ reset_index_event2_i : in std_logic;
+ reset_ab_error_i : in std_logic;
+ -- Outputs
+ irc_o : out IRC_OUTPUT_Type
+ );
+ end component;
+
-- Quadcount
component qcounter
port
(
- clk : in std_logic;
- reset : in std_logic;
- a0, b0 : in std_logic;
- index0 : in std_logic;
-
- a_rise : out std_logic;
- a_fall : out std_logic;
- b_rise : out std_logic;
- b_fall : out std_logic;
-
- qcount : out std_logic_vector (31 downto 0);
- qcount_index : out std_logic_vector (31 downto 0);
- ab_event : out std_logic;
- ab_error : out std_logic
+ -- Inputs
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ a0_i, b0_i : in std_logic;
+ index0_i : in std_logic;
+ -- State
+ reset_index_event_i : in std_logic;
+ reset_index_event2_i : in std_logic;
+ reset_ab_error_i : in std_logic;
+ -- Outputs
+ qcount_o : out std_logic_vector(7 downto 0);
+ qcount_index_o : out std_logic_vector(7 downto 0);
+ index_o : out std_logic;
+ index_event_o : out std_logic;
+ index_event2_o : out std_logic;
+ a_rise_o, a_fall_o : out std_logic;
+ b_rise_o, b_fall_o : out std_logic;
+ ab_event_o : out std_logic;
+ ab_error_o : out std_logic
+ );
+ end component;
+
+ -- D sampler (filtered, 2 cycles)
+ component dff2
+ port
+ (
+ clk_i : in std_logic;
+ d_i : in std_logic;
+ q_o : out std_logic
+ );
+ end component;
+
+ -- D sampler (filtered, 3 cycles)
+ component dff3
+ port
+ (
+ clk_i : in std_logic;
+ d_i : in std_logic;
+ q_o : out std_logic
+ );
+ end component;
+
+ -- CRC8
+ component crc
+ port
+ (
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ input_i : in std_logic;
+ crc_o : out std_logic_vector(7 downto 0)
+ );
+ end component;
+
+ -- Counter - divider
+ component cnt_div
+ generic (
+ cnt_width_g : natural := 8
+ );
+ port
+ (
+ clk_i : in std_logic;
+ en_i : in std_logic;
+ reset_i : in std_logic;
+ ratio_i : in std_logic_vector(cnt_width_g-1 downto 0);
+ q_out_o : out std_logic
);
end component;
- -- D sampler
- component dff
+ -- LX Master transmitter
+ component lxmaster_transmitter
+ generic (
+ cycle_cnt_width_g : natural := 12
+ );
port
(
- clk : in std_logic;
- reset : in std_logic;
- d : in std_logic;
- q : out std_logic
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Transmision
+ clock_o : out std_logic;
+ mosi_o : out std_logic;
+ sync_o : out std_logic;
+ -- Register
+ register_i : in std_logic;
+ register_o : out std_logic_vector(1 downto 0);
+ register_we_i : in std_logic;
+ -- Cycle period
+ cycle_reg_i : in std_logic_vector(cycle_cnt_width_g-1 downto 0);
+ cycle_reg_o : out std_logic_vector(cycle_cnt_width_g-1 downto 0);
+ cycle_reg_we_i : in std_logic;
+ -- Watchdog
+ wdog_i : in std_logic;
+ wdog_we_i : in std_logic;
+ -- BRAM access
+ mem_clk_i : in std_logic;
+ mem_en_i : in std_logic;
+ mem_we_i : in std_logic_vector(1 downto 0);
+ mem_addr_i : in std_logic_vector(8 downto 0);
+ mem_data_i : in std_logic_vector(15 downto 0);
+ mem_data_o : out std_logic_vector(15 downto 0)
);
- end component;
+ end component;
- -- D sampler (filtered)
- component dff2
+ -- LX Master receiver
+ component lxmaster_receiver
port
(
- clk : in std_logic;
- reset : in std_logic;
- d : in std_logic;
- q : out std_logic
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Transmision
+ clock_i : in std_logic;
+ miso_i : in std_logic;
+ sync_i : in std_logic;
+ -- Receive done pulse
+ rx_done_o : out std_logic;
+ -- Register
+ register_i : in std_logic;
+ register_o : out std_logic_vector(1 downto 0);
+ register_we_i : in std_logic;
+ -- BRAM access
+ mem_clk_i : in std_logic;
+ mem_en_i : in std_logic;
+ mem_we_i : in std_logic_vector(1 downto 0);
+ mem_addr_i : in std_logic_vector(8 downto 0);
+ mem_data_i : in std_logic_vector(15 downto 0);
+ mem_data_o : out std_logic_vector(15 downto 0)
);
- end component;
+ end component;
+
+ -- LX math functions approximation
+
+ component lx_fncapprox
+ port
+ (
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Data bus
+ address_i : in std_logic_vector(4 downto 0);
+ next_ce_i : in std_logic;
+ data_i : in std_logic_vector(31 downto 0);
+ data_o : out std_logic_vector(31 downto 0);
+ --
+ bls_i : in std_logic_vector(3 downto 0)
+ );
+ end component;
+
+ -- Clock Cross Domain Synchronization Elastic Buffer/FIFO
+ component lx_crosdom_ser_fifo
+ generic
+ (
+ fifo_len_g : positive := 8;
+ sync_adj_g : integer := 0
+ );
+ port
+ (
+ -- Asynchronous clock domain interface
+ acd_clock_i : in std_logic;
+ acd_miso_i : in std_logic;
+ acd_sync_i : in std_logic;
+ -- Clock
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Output synchronous with clk_i
+ miso_o : out std_logic;
+ sync_o : out std_logic;
+ data_ready_o : out std_logic
+ );
+ end component;
--------------------------------------------------------------------------------
-- TUMBL
component lx_rocon_tumbl
generic
(
- IMEM_ABITS_g : positive := 12;
- DMEM_ABITS_g : positive := 12;
+ IMEM_ABITS_g : positive := 11;
+ DMEM_ABITS_g : positive := 12;
--
- USE_HW_MUL_g : boolean := true;
- USE_BARREL_g : boolean := true;
- COMPATIBILITY_MODE_g : boolean := false
+ USE_HW_MUL_g : boolean := true;
+ USE_BARREL_g : boolean := true;
+ COMPATIBILITY_MODE_g : boolean := false
);
port
(
clk_i : in std_logic;
rst_i : in std_logic;
- halt_i : in std_logic;
+ halt_i : in std_logic;
int_i : in std_logic;
trace_i : in std_logic;
trace_kick_i : in std_logic;
- pc_o : out std_logic_vector(31 downto 0);
+ -- Program counter
+ pc_o : out std_logic_vector(31 downto 0);
+ -- Internal halt (remove with trace kick)
halted_o : out std_logic;
halt_code_o : out std_logic_vector(4 downto 0);
- imem_clk : in std_logic;
- imem_en : in std_logic;
- imem_we : in std_logic_vector(3 downto 0);
- imem_addr : in std_logic_vector(8 downto 0);
- imem_din : in std_logic_vector(31 downto 0);
- imem_dout : out std_logic_vector(31 downto 0);
- dmem_clk : in std_logic;
- dmem_en : in std_logic;
- dmem_we : in std_logic_vector(3 downto 0);
- dmem_addr : in std_logic_vector(9 downto 0);
- dmem_din : in std_logic_vector(31 downto 0);
- dmem_dout : out std_logic_vector(31 downto 0);
- XMEMB_sel_o : out std_logic;
- XMEMB_i : in DMEMB2CORE_Type;
- XMEMB_o : out CORE2DMEMB_Type;
- bad_op_o : out std_logic
+ -- Internal memory (instruction)
+ imem_clk_i : in std_logic;
+ imem_en_i : in std_logic;
+ imem_we_i : in std_logic_vector(3 downto 0);
+ imem_addr_i : in std_logic_vector(8 downto 0);
+ imem_data_i : in std_logic_vector(31 downto 0);
+ imem_data_o : out std_logic_vector(31 downto 0);
+ -- Internal memory (data)
+ dmem_clk_i : in std_logic;
+ dmem_en_i : in std_logic;
+ dmem_we_i : in std_logic_vector(3 downto 0);
+ dmem_addr_i : in std_logic_vector(9 downto 0);
+ dmem_data_i : in std_logic_vector(31 downto 0);
+ dmem_data_o : out std_logic_vector(31 downto 0);
+ -- External memory bus
+ xmemb_sel_o : out std_logic;
+ xmemb_i : in DMEMB2CORE_Type;
+ xmemb_o : out CORE2DMEMB_Type
);
end component;
component lx_rocon_imem
port
(
- clk_i : in std_logic;
- cs_i : in std_logic;
- adr_i : in std_logic_vector(10 downto 2);
- dat_o : out std_logic_vector(31 downto 0);
+ -- Memory wiring for Tumbl
+ clk_i : in std_logic;
+ cs_i : in std_logic;
+ adr_i : in std_logic_vector(10 downto 2);
+ dat_o : out std_logic_vector(31 downto 0);
+ -- Memory wiring for Master CPU
clk_m : in std_logic;
en_m : in std_logic;
we_m : in std_logic_vector(3 downto 0);
addr_m : in std_logic_vector(8 downto 0);
din_m : in std_logic_vector(31 downto 0);
dout_m : out std_logic_vector(31 downto 0)
-
);
end component;
component lx_rocon_dmem
port
(
+ -- Memory wiring for Tumbl
clk_i : in std_logic;
ce_i : in std_logic;
adr_i : in std_logic_vector(11 downto 2);
- wre_i : in std_logic;
- bsel_i : in std_logic_vector(3 downto 0);
+ bls_i : in std_logic_vector(3 downto 0);
dat_i : in std_logic_vector(31 downto 0);
dat_o : out std_logic_vector(31 downto 0);
+ -- Memory wiring for Master CPU
clk_m : in std_logic;
en_m : in std_logic;
we_m : in std_logic_vector(3 downto 0);
clk_i : in std_logic;
rst_i : in std_logic;
clken_i : in std_logic;
+ gprf_finish_wrb_mem_i : in std_logic;
+ --
ID2GPRF_i : in ID2GPRF_Type;
MEM_WRB_i : in WRB_Type;
GPRF2EX_o : out GPRF2EX_Type
-- MEMORY BUS
--------------------------------------------------------------------------------
- -- Calibration read register
- component calibration_read_register
+ -- Measurement register
+ component measurement_register
generic
(
- id : std_logic_vector(31 downto 0)
+ id_g : std_logic_vector(31 downto 0) := (others => '0')
);
port
(
- data_out : out std_logic_vector(31 downto 0);
- rd : in std_logic;
- ta : out std_logic
+ -- Clock
+ clk_i : in std_logic;
+ -- Reset
+ reset_i : in std_logic;
+ -- Chip enable
+ ce_i : in std_logic;
+ -- Switch
+ switch_i : in std_logic;
+ -- Data bus
+ data_i : in std_logic_vector(31 downto 0);
+ data_o : out std_logic_vector(31 downto 0);
+ -- Bus signals
+ bls_i : in std_logic_vector(3 downto 0)
);
end component;
- -- Calibration write register
- component calibration_write_register
+ -- IRC interconnect
+ component bus_irc
port
(
- clk : in std_logic;
- reset : in std_logic;
- ce : in std_logic;
- data_in : in std_logic_vector(31 downto 0);
- data_out : out std_logic_vector(31 downto 0);
- rd : in std_logic;
- bls : in std_logic_vector(3 downto 0);
- ta : out std_logic
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Data bus
+ address_i : in std_logic_vector(4 downto 0);
+ next_ce_i : in std_logic;
+ data_i : in std_logic_vector(31 downto 0);
+ data_o : out std_logic_vector(31 downto 0);
+ --
+ bls_i : in std_logic_vector(3 downto 0);
+ -- Signals for IRC
+ irc_i : in IRC_INPUT_Array_Type(7 downto 0)
);
end component;
- -- Calibration interconnect
- component bus_calibration
+ -- Measurement interconnect
+ component bus_measurement
port
(
- clk : in std_logic;
- reset : in std_logic;
- ce : in std_logic;
- address : in std_logic_vector(1 downto 0);
- data_in : in std_logic_vector(31 downto 0);
- data_out : out std_logic_vector(31 downto 0);
- rd : in std_logic;
- bls : in std_logic_vector(3 downto 0);
- ta : out std_logic
+ -- Clock
+ clk_i : in std_logic;
+ -- Reset
+ reset_i : in std_logic;
+ -- Chip enable
+ ce_i : in std_logic;
+ -- Address
+ address_i : in std_logic_vector(1 downto 0);
+ -- Data bus
+ data_i : in std_logic_vector(31 downto 0);
+ data_o : out std_logic_vector(31 downto 0);
+ -- Bus signals
+ bls_i : in std_logic_vector(3 downto 0)
);
end component;
- -- IRC interconnect
- component bus_irc
+ -- Tumbl interconnect
+ component bus_tumbl
port
(
- clk : in std_logic;
- reset : in std_logic;
-
- address : in std_logic_vector(3 downto 0);
- ce : in std_logic;
-
- data_in : in std_logic;
- data_out : out std_logic_vector(31 downto 0);
-
- rd : in std_logic;
- wr : in std_logic;
- ta : out std_logic;
-
- irc1_a : in std_logic;
- irc1_b : in std_logic;
- irc1_index : in std_logic;
- irc1_mark : in std_logic;
-
- irc2_a : in std_logic;
- irc2_b : in std_logic;
- irc2_index : in std_logic;
- irc2_mark : in std_logic;
-
- irc3_a : in std_logic;
- irc3_b : in std_logic;
- irc3_index : in std_logic;
- irc3_mark : in std_logic;
-
- irc4_a : in std_logic;
- irc4_b : in std_logic;
- irc4_index : in std_logic;
- irc4_mark : in std_logic
- );
+ -- Clock
+ clk_i : in std_logic;
+ -- Chip enable
+ ce_i : in std_logic;
+ -- Global Reset
+ reset_i : in std_logic;
+ -- Master CPU bus for the memory
+ bls_i : in std_logic_vector(3 downto 0);
+ address_i : in std_logic_vector(11 downto 0);
+ data_i : in std_logic_vector(31 downto 0);
+ data_o : out std_logic_vector(31 downto 0);
+ -- Tumbl extrenal memory bus
+ xmemb_sel_o : out std_logic;
+ xmemb_i : in DMEMB2CORE_Type;
+ xmemb_o : out CORE2DMEMB_Type
+ );
end component;
- -- BCD interconnect
- component bus_bcd
+ -- Register on the bus
+ component bus_register is
+ generic
+ (
+ -- Reset value
+ reset_value_g : std_logic_vector(31 downto 0) := (others => '0');
+ -- Width
+ b0_g : natural := 8;
+ b1_g : natural := 8;
+ b2_g : natural := 8;
+ b3_g : natural := 8
+ );
port
(
- reset : in std_logic;
- en : in std_logic;
- clk : in std_logic;
- data_out : out std_logic_vector(31 downto 0);
- rd : in std_logic;
- ta : out std_logic
+ -- Clock
+ clk_i : in std_logic;
+ -- Reset
+ reset_i : in std_logic;
+ -- Chip enable
+ ce_i : in std_logic;
+ -- Data bus
+ data_i : in std_logic_vector((b0_g+b1_g+b2_g+b3_g-1) downto 0);
+ data_o : out std_logic_vector((b0_g+b1_g+b2_g+b3_g-1) downto 0);
+ -- Bus signals
+ bls_i : in std_logic_vector(3 downto 0)
);
end component;
- -- Tumbl interconnect
- component bus_tumbl
+ -- LX Master bus interconnect
+ component bus_lxmaster
port
(
- clk_100m : in std_logic;
- clk_50m : in std_logic;
- ce : in std_logic;
- reset : in std_logic;
- rd : in std_logic;
- bls : in std_logic_vector(3 downto 0);
- address : in std_logic_vector(11 downto 0);
- data_in : in std_logic_vector(31 downto 0);
- data_out : out std_logic_vector(31 downto 0);
- ta : out std_logic;
- XMEMB_sel_o : out std_logic;
- XMEMB_i : in DMEMB2CORE_Type;
- XMEMB_o : out CORE2DMEMB_Type
- );
+ clk_i : in std_logic;
+ reset_i : in std_logic;
+ -- Data bus
+ address_i : in std_logic_vector(10 downto 0);
+ next_ce_i : in std_logic;
+ data_i : in std_logic_vector(15 downto 0);
+ data_o : out std_logic_vector(15 downto 0);
+ --
+ bls_i : in std_logic_vector(1 downto 0);
+ --
+ rx_done_o : out std_logic;
+ -- Signals for LX Master
+ clock_i : in std_logic;
+ miso_i : in std_logic;
+ sync_i : in std_logic;
+ --
+ clock_o : out std_logic;
+ mosi_o : out std_logic;
+ sync_o : out std_logic
+ );
end component;
--------------------------------------------------------------------------------
-- BRAM
--------------------------------------------------------------------------------
+ type BRAM_type is (READ_FIRST, WRITE_FIRST, NO_CHANGE);
component xilinx_dualport_bram
generic
(
- byte_width : positive := 8;
+ byte_width : positive := 8;
address_width : positive := 8;
- we_width : positive := 4
+ we_width : positive := 4;
+ port_a_type : BRAM_type := READ_FIRST;
+ port_b_type : BRAM_type := READ_FIRST
);
port
(
- clka : in std_logic;
- rsta : in std_logic;
- ena : in std_logic;
- wea : in std_logic_vector((we_width-1) downto 0);
+ clka : in std_logic;
+ rsta : in std_logic;
+ ena : in std_logic;
+ wea : in std_logic_vector((we_width-1) downto 0);
addra : in std_logic_vector((address_width-1) downto 0);
- dina : in std_logic_vector(((byte_width*we_width)-1) downto 0);
+ dina : in std_logic_vector(((byte_width*we_width)-1) downto 0);
douta : out std_logic_vector(((byte_width*we_width)-1) downto 0);
- clkb : in std_logic;
- rstb : in std_logic;
- enb : in std_logic;
- web : in std_logic_vector((we_width-1) downto 0);
+ clkb : in std_logic;
+ rstb : in std_logic;
+ enb : in std_logic;
+ web : in std_logic_vector((we_width-1) downto 0);
addrb : in std_logic_vector((address_width-1) downto 0);
- dinb : in std_logic_vector(((byte_width*we_width)-1) downto 0);
+ dinb : in std_logic_vector(((byte_width*we_width)-1) downto 0);
doutb : out std_logic_vector(((byte_width*we_width)-1) downto 0)
);
end component;
package body lx_rocon_pkg is
-
end lx_rocon_pkg;
projects / fpga / lx-cpu1 / lx-rocon.git / blobdiff