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----------------------------------------------------------------------------- -- NoCem -- Network on Chip Emulation Tool for System on Chip Research -- and Implementations -- -- Copyright (C) 2006 Graham Schelle, Dirk Grunwald -- -- This program is free software; you can redistribute it and/or -- modify it under the terms of the GNU General Public License -- as published by the Free Software Foundation; either version 2 -- of the License, or (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -- 02110-1301, USA. -- -- The authors can be contacted by email: <schelleg,grunwald>@cs.colorado.edu -- -- or by mail: Campus Box 430, Department of Computer Science, -- University of Colorado at Boulder, Boulder, Colorado 80309 -------------------------------------------------------------------------------- -- -- Filename: pkg_nocem.vhd -- -- Description: toplevel package file for nocem -- -- THE Package File For NOCEM -- -- Purpose: This package defines supplemental types, subtypes, -- constants, and functions. Any design utilizing Nocem -- must include this file.... -- library IEEE; use IEEE.STD_LOGIC_1164.all; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; --------------------------------------------------------- --------------------------------------------------------- -- enumerations and derivative type definitions are -- -- given here. The values can be changed to change -- -- the underlying functionality/performance of the NoC -- --------------------------------------------------------- --------------------------------------------------------- package pkg_nocem is -- enumerate the NOC types here constant NOCEM_BUS_TYPE : integer := 0; constant NOCEM_SIMPLE_PKT_TYPE : integer := 1; constant NOCEM_SIMPLE_PKT_ARBSIZE_TYPE : integer := 2; constant NOCEM_VC_TYPE : integer := 3; -- enumerate channel FIFO types here constant NOCEM_CHFIFO_NOVC_TYPE : integer := 2; constant NOCEM_CHFIFO_VC_TYPE : integer := 3; --enumerate FIFO implementation type here ----------------------------------------------------------- -- WITHIN THE NOC CHANNELS CAN USE EITHER BRAM OR LUT -- -- BASED FIFO IMPLEMENTATIONS. -- ----------------------------------------------------------- constant NOCEM_FIFO_LUT_TYPE : integer := 0; -- enumerate topology types here -- -- MESH: connections in grid style, no torus -- -- -- TORUS STRUCTURE: mesh connections plus connections looping -- top to bottom -- -- DOUBLE TORUS STRUCTURE: torus structure plus connections -- looping left edge to right edge -- constant NOCEM_TOPOLOGY_MESH : integer := 0; constant NOCEM_TOPOLOGY_TORUS : integer := 1; constant NOCEM_TOPOLOGY_DTORUS : integer := 2; ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ -- system wide constants. This is where the NoC is defined and these constants can -- -- can be changed and modified to change behavior of the network -- ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ constant NOCEM_TYPE : integer := NOCEM_CHFIFO_VC_TYPE; constant NOCEM_CHFIFO_TYPE : integer := NOCEM_CHFIFO_VC_TYPE; constant NOCEM_TOPOLOGY_TYPE : integer := NOCEM_TOPOLOGY_MESH; constant NOCEM_FIFO_IMPLEMENTATION : integer := NOCEM_FIFO_LUT_TYPE; constant NOCEM_NUM_AP : integer := 4; constant NOCEM_NUM_COLS : integer := 2; constant NOCEM_NUM_ROWS : integer := NOCEM_NUM_AP / NOCEM_NUM_COLS; constant NOCEM_DW : integer := 8; constant NOCEM_AW : integer := 2; constant NOCEM_NUM_VC : integer := 2; -- 2,4 VC's supported constant NOCEM_VC_ID_WIDTH : integer := NOCEM_NUM_VC; -- one hot encoding (do not change this!) constant NOCEM_CHFIFO_DEPTH : integer := 4; -- MUST BE POWER OF 2 for LUTRAM,VC CHANNEL TYPES constant NOCEM_MAX_PACKET_LENGTH : integer := 8; -- MUST BE POWER OF 2 for LUTRAM,VC CHANNEL TYPES -------------------------------------------------------------- -- channel indexing for a variety of arbitration decisions -- -------------------------------------------------------------- constant NOCEM_NORTH_IX : integer := 4; constant NOCEM_SOUTH_IX : integer := 3; constant NOCEM_EAST_IX : integer := 2; constant NOCEM_WEST_IX : integer := 1; constant NOCEM_AP_IX : integer := 0; constant ARB_NORTH : std_logic_vector(4 downto 0) := "10000"; constant ARB_SOUTH : std_logic_vector(4 downto 0) := "01000"; constant ARB_EAST : std_logic_vector(4 downto 0) := "00100"; constant ARB_WEST : std_logic_vector(4 downto 0) := "00010"; constant ARB_AP : std_logic_vector(4 downto 0) := "00001"; constant ARB_NODECISION : std_logic_vector(4 downto 0) := "00000"; constant NOCEM_ARB_IX_SIZE : integer := 5; ------------------------------------------------------ --------------- STANDARD CHANNEL CONSTANTS ----------- ------------------------------------------------------ constant NOCEM_CHFIFO_DATA_RE_IX : integer := 0; constant NOCEM_CHFIFO_DATA_WE_IX : integer := 1; constant NOCEM_CHFIFO_DATA_FULL_N_IX : integer := 2; constant NOCEM_CHFIFO_DATA_EMPTY_N_IX : integer := 3; constant NOCEM_CHFIFO_CNTRL_RE_IX : integer := 4; constant NOCEM_CHFIFO_CNTRL_WE_IX : integer := 5; constant NOCEM_CHFIFO_CNTRL_FULL_N_IX : integer := 6; constant NOCEM_CHFIFO_CNTRL_EMPTY_N_IX : integer := 7; constant NOCEM_CHFIFO_CNTRL_STANDARD_WIDTH : integer := NOCEM_CHFIFO_CNTRL_EMPTY_N_IX+1; ------------------------------------------------------ --------------- VC CHANNEL CONSTANTS ----------------- ------------------------------------------------------ constant NOCEM_CHFIFO_VC_WR_ADDR_LIX : integer := NOCEM_CHFIFO_CNTRL_STANDARD_WIDTH; --8 constant NOCEM_CHFIFO_VC_WR_ADDR_HIX : integer := NOCEM_CHFIFO_VC_WR_ADDR_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_CHDEST_LIX : integer := NOCEM_CHFIFO_VC_WR_ADDR_HIX+1;--12 --10 constant NOCEM_CHFIFO_VC_CHDEST_HIX : integer := NOCEM_CHFIFO_VC_CHDEST_LIX+NOCEM_ARB_IX_SIZE-1; constant NOCEM_CHFIFO_VC_VCDEST_LIX : integer := NOCEM_CHFIFO_VC_CHDEST_HIX+1; --17 --15 constant NOCEM_CHFIFO_VC_VCDEST_HIX : integer := NOCEM_CHFIFO_VC_VCDEST_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_ALLOC_FROMNODE_LIX : integer := NOCEM_CHFIFO_VC_VCDEST_HIX+1; --21 --17 constant NOCEM_CHFIFO_VC_ALLOC_FROMNODE_HIX : integer := NOCEM_CHFIFO_VC_ALLOC_FROMNODE_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_REQER_FROMNODE_LIX : integer := NOCEM_CHFIFO_VC_ALLOC_FROMNODE_HIX+1; --25 --19 constant NOCEM_CHFIFO_VC_REQER_FROMNODE_HIX : integer := NOCEM_CHFIFO_VC_REQER_FROMNODE_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_REQER_DEST_CH_LIX : integer := NOCEM_CHFIFO_VC_REQER_FROMNODE_HIX+1; --29 --21 constant NOCEM_CHFIFO_VC_REQER_DEST_CH_HIX : integer := NOCEM_CHFIFO_VC_REQER_DEST_CH_LIX+NOCEM_ARB_IX_SIZE-1; constant NOCEM_CHFIFO_VC_REQER_VCID_LIX : integer := NOCEM_CHFIFO_VC_REQER_DEST_CH_HIX+1; --34 --26 constant NOCEM_CHFIFO_VC_REQER_VCID_HIX : integer := NOCEM_CHFIFO_VC_REQER_VCID_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_EMPTY_LIX : integer := NOCEM_CHFIFO_VC_REQER_VCID_HIX+1; --38 --28 constant NOCEM_CHFIFO_VC_EMPTY_HIX : integer := NOCEM_CHFIFO_VC_EMPTY_LIX+NOCEM_NUM_VC-1; constant NOCEM_CHFIFO_VC_FULL_LIX : integer := NOCEM_CHFIFO_VC_EMPTY_HIX+1; --42 --30 constant NOCEM_CHFIFO_VC_FULL_HIX : integer := NOCEM_CHFIFO_VC_FULL_LIX+NOCEM_NUM_VC-1; constant NOCEM_CHFIFO_VC_EOP_RD_LIX : integer := NOCEM_CHFIFO_VC_FULL_HIX+1; --46 --32 constant NOCEM_CHFIFO_VC_EOP_RD_HIX : integer := NOCEM_CHFIFO_VC_EOP_RD_LIX+NOCEM_NUM_VC-1; constant NOCEM_CHFIFO_VC_EOP_WR_LIX : integer := NOCEM_CHFIFO_VC_EOP_RD_HIX+1; --50 --34 constant NOCEM_CHFIFO_VC_EOP_WR_HIX : integer := NOCEM_CHFIFO_VC_EOP_WR_LIX+NOCEM_NUM_VC-1; constant NOCEM_CHFIFO_VC_RD_ADDR_LIX : integer := NOCEM_CHFIFO_VC_EOP_WR_HIX+1; --54 --36 constant NOCEM_CHFIFO_VC_RD_ADDR_HIX : integer := NOCEM_CHFIFO_VC_RD_ADDR_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_VC_VCSRC_LIX : integer := NOCEM_CHFIFO_VC_RD_ADDR_HIX+1; -- 58 --38 constant NOCEM_CHFIFO_VC_VCSRC_HIX : integer := NOCEM_CHFIFO_VC_VCSRC_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_CHFIFO_CNTRL_WIDTH : integer := NOCEM_CHFIFO_VC_VCSRC_HIX+1; --62 --40 -------------------------------------------------------------------------------- -- constants that have their usage defined by the underlying noc. -- -------------------------------------------------------------------------------- -- depending on what is in the control packet, can set an arbitrary width -- e.g. for simple packets, dest_addr/SOP/EOP are all that is needed and are -- both placed in a single word -- pkt control structure constant NOCEM_PKTCNTRL_DEST_ADDR_LIX : integer := 0; constant NOCEM_PKTCNTRL_DEST_ADDR_HIX : integer := NOCEM_AW-1; --1 constant NOCEM_PKTCNTRL_SOP_IX : integer := NOCEM_PKTCNTRL_DEST_ADDR_HIX+1; --2 constant NOCEM_PKTCNTRL_EOP_IX : integer := NOCEM_PKTCNTRL_SOP_IX+1; --3 constant NOCEM_PKTCNTRL_OS_PKT_IX : integer := NOCEM_PKTCNTRL_EOP_IX+1; constant NOCEM_PKT_CNTRL_WIDTH : integer := NOCEM_PKTCNTRL_OS_PKT_IX+1; --4 constant NOCEM_ARB_CNTRL_VC_MUX_WR_LIX : integer := 0; constant NOCEM_ARB_CNTRL_VC_MUX_WR_HIX : integer := NOCEM_ARB_CNTRL_VC_MUX_WR_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_ARB_CNTRL_VC_MUX_RD_LIX : integer := NOCEM_ARB_CNTRL_VC_MUX_WR_HIX+1; --4 --2 constant NOCEM_ARB_CNTRL_VC_MUX_RD_HIX : integer := NOCEM_ARB_CNTRL_VC_MUX_RD_LIX+NOCEM_VC_ID_WIDTH-1; constant NOCEM_ARB_CNTRL_VC_EOP_RD_LIX : integer := NOCEM_ARB_CNTRL_VC_MUX_RD_HIX+1; --8 --4 constant NOCEM_ARB_CNTRL_VC_EOP_RD_HIX : integer := NOCEM_ARB_CNTRL_VC_EOP_RD_LIX+NOCEM_NUM_VC-1; constant NOCEM_ARB_CNTRL_VC_EOP_WR_LIX : integer := NOCEM_ARB_CNTRL_VC_EOP_RD_HIX+1; --12 --6 constant NOCEM_ARB_CNTRL_VC_EOP_WR_HIX : integer := NOCEM_ARB_CNTRL_VC_EOP_WR_LIX+NOCEM_NUM_VC-1; constant NOCEM_ARB_CNTRL_WIDTH : integer := NOCEM_ARB_CNTRL_VC_EOP_WR_HIX+1; -------------------------------------------------------------------------------- --These are the various subtypes that are used to easily index multibit words -- --that are needed within nocem. They are also used on interfaces to the -- --toplevel nocem instantiation -- -------------------------------------------------------------------------------- subtype pkt_cntrl_word is std_logic_vector(NOCEM_PKT_CNTRL_WIDTH-1 downto 0); type pkt_cntrl_array is array(natural range <>) of pkt_cntrl_word; subtype data_word is std_logic_vector(NOCEM_DW-1 downto 0); type data_array is array(natural range <>) of data_word; subtype arb_cntrl_word is std_logic_vector(NOCEM_ARB_CNTRL_WIDTH-1 downto 0); type arb_cntrl_array is array(natural range <>) of arb_cntrl_word; subtype channel_cntrl_word is std_logic_vector(NOCEM_CHFIFO_CNTRL_WIDTH-1 downto 0); type channel_cntrl_array is array(natural range <>) of channel_cntrl_word; subtype node_addr_word is std_logic_vector(NOCEM_AW-1 downto 0); type node_addr_array is array(natural range <>) of node_addr_word; subtype arb_decision is std_logic_vector(NOCEM_ARB_IX_SIZE-1 downto 0); type arb_decision_array is array(natural range <>) of arb_decision; subtype vc_addr_word is std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); type vc_addr_array is array(natural range <>) of vc_addr_word; -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -- components used in nocem, including the bridges -- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- component fifo_fwft_bram_nfc_v5 port ( din: IN std_logic_VECTOR(31 downto 0); rd_clk: IN std_logic; rd_en: IN std_logic; rst: IN std_logic; wr_clk: IN std_logic; wr_en: IN std_logic; dout: OUT std_logic_VECTOR(31 downto 0); empty: OUT std_logic; full: OUT std_logic); end component; component fifo_fwft_bram_v5 port ( clk: IN std_logic; din: IN std_logic_VECTOR(31 downto 0); rd_en: IN std_logic; rst: IN std_logic; wr_en: IN std_logic; dout: OUT std_logic_VECTOR(31 downto 0); empty: OUT std_logic; full: OUT std_logic); end component; component fifo_fwft_bram_v2p port ( din: IN std_logic_VECTOR(31 downto 0); rd_clk: IN std_logic; rd_en: IN std_logic; rst: IN std_logic; wr_clk: IN std_logic; wr_en: IN std_logic; dout: OUT std_logic_VECTOR(31 downto 0); empty: OUT std_logic; full: OUT std_logic); end component; component fifo_fwft_bram port ( din: IN std_logic_VECTOR(31 downto 0); rd_clk: IN std_logic; rd_en: IN std_logic; rst: IN std_logic; wr_clk: IN std_logic; wr_en: IN std_logic; dout: OUT std_logic_VECTOR(31 downto 0); empty: OUT std_logic; full: OUT std_logic); end component; COMPONENT noc2proc_bridge2 generic ( C_AWIDTH : integer := 32; C_DWIDTH : integer := 64; C_NUM_CS : integer := 1; C_NUM_CE : integer := 2; C_IP_INTR_NUM : integer := 1 ); port ( noc_arb_req : out std_logic; noc_arb_cntrl_out : out arb_cntrl_word; noc_arb_grant : in std_logic; noc_arb_cntrl_in : in arb_cntrl_word; noc_datain : in std_logic_vector(NOCEM_DW-1 downto 0); noc_datain_valid : in std_logic; noc_datain_recvd : out std_logic; noc_dataout : out std_logic_vector(NOCEM_DW-1 downto 0); noc_dataout_valid : out std_logic; noc_dataout_recvd : in std_logic; noc_pkt_cntrl_in : in pkt_cntrl_word; noc_pkt_cntrl_in_valid : in std_logic; noc_pkt_cntrl_in_recvd : out std_logic; noc_pkt_cntrl_out : out pkt_cntrl_word; noc_pkt_cntrl_out_valid : out std_logic; noc_pkt_cntrl_out_recvd : in std_logic; Bus2IP_Clk : in std_logic; Bus2IP_Reset : in std_logic; IP2Bus_IntrEvent : out std_logic_vector(0 to C_IP_INTR_NUM-1); Bus2IP_Addr : in std_logic_vector(0 to C_AWIDTH-1); Bus2IP_Data : in std_logic_vector(0 to C_DWIDTH-1); Bus2IP_BE : in std_logic_vector(0 to C_DWIDTH/8-1); Bus2IP_Burst : in std_logic; Bus2IP_CS : in std_logic_vector(0 to C_NUM_CS-1); Bus2IP_CE : in std_logic_vector(0 to C_NUM_CE-1); Bus2IP_RdCE : in std_logic_vector(0 to C_NUM_CE-1); Bus2IP_WrCE : in std_logic_vector(0 to C_NUM_CE-1); Bus2IP_RdReq : in std_logic; Bus2IP_WrReq : in std_logic; IP2Bus_Data : out std_logic_vector(0 to C_DWIDTH-1); IP2Bus_Retry : out std_logic; IP2Bus_Error : out std_logic; IP2Bus_ToutSup : out std_logic; IP2Bus_RdAck : out std_logic; IP2Bus_WrAck : out std_logic ); END COMPONENT; COMPONENT vc_node_ch_arbiter Port ( -- needed to mux outputs for the accompanying switch arb_grant_output : out arb_decision_array(4 downto 0); n_channel_cntrl_in : in channel_cntrl_word; n_channel_cntrl_out : out channel_cntrl_word; s_channel_cntrl_in : in channel_cntrl_word; s_channel_cntrl_out : out channel_cntrl_word; e_channel_cntrl_in : in channel_cntrl_word; e_channel_cntrl_out : out channel_cntrl_word; w_channel_cntrl_in : in channel_cntrl_word; w_channel_cntrl_out : out channel_cntrl_word; ap_channel_cntrl_in : in channel_cntrl_word; ap_channel_cntrl_out : out channel_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT vc_node_vc_allocator Port ( local_ch_addr : in std_logic_vector(4 downto 0); outoing_vc_status : in std_logic_vector(NOCEM_NUM_VC-1 downto 0); n_channel_cntrl_in : in channel_cntrl_word; n_channel_cntrl_out : out channel_cntrl_word; s_channel_cntrl_in : in channel_cntrl_word; s_channel_cntrl_out : out channel_cntrl_word; e_channel_cntrl_in : in channel_cntrl_word; e_channel_cntrl_out : out channel_cntrl_word; w_channel_cntrl_in : in channel_cntrl_word; w_channel_cntrl_out : out channel_cntrl_word; ap_channel_cntrl_in : in channel_cntrl_word; ap_channel_cntrl_out : out channel_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT mux2to1 generic ( DWIDTH : integer; REG_OUTPUT : integer ); port ( din0 : in std_logic_vector( DWIDTH-1 downto 0); din1 : in std_logic_vector( DWIDTH-1 downto 0); sel : in std_logic_vector( 1 downto 0); dout : out std_logic_vector( DWIDTH-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT mux4to1 generic ( DWIDTH : integer; REG_OUTPUT : integer ); port ( din0 : in std_logic_vector( DWIDTH-1 downto 0); din1 : in std_logic_vector( DWIDTH-1 downto 0); din2 : in std_logic_vector( DWIDTH-1 downto 0); din3 : in std_logic_vector( DWIDTH-1 downto 0); sel : in std_logic_vector( 3 downto 0); dout : out std_logic_vector( DWIDTH-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT xto1_arbiter Generic ( NUM_REQS : integer; REG_OUTPUT : integer ); Port ( arb_req : in std_logic_vector(NUM_REQS-1 downto 0); arb_grant : out std_logic_vector(NUM_REQS-1 downto 0); clk : in std_logic; rst : in std_logic); END COMPONENT; COMPONENT vc_controller Port ( vc_my_id : in std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); -- should be tied to constant node_my_id : in std_logic_vector(NOCEM_AW-1 downto 0); pkt_cntrl_rd : in pkt_cntrl_word; pkt_cntrl_wr : in pkt_cntrl_word; pkt_re : in std_logic; pkt_we : in std_logic; vc_fifo_empty : in std_logic; vc_eop_rd_status : out std_logic; -- 0: no eop with rden, 1: eop and rden vc_eop_wr_status : out std_logic; -- 0: no eop with wren, 1: eop and wren vc_allocation_req : out std_logic; vc_req_id : out std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); vc_allocate_from_node : in std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); vc_requester_from_node : in std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); channel_dest : out arb_decision; vc_dest : out std_logic_vector(NOCEM_VC_ID_WIDTH-1 downto 0); vc_switch_req : out std_logic; rst : in std_logic; clk : in std_logic ); END COMPONENT; COMPONENT vc_channel Generic ( IS_AN_ACCESS_POINT_CHANNEL : boolean ); port ( node_dest_id : in node_addr_word; vc_mux_wr : in std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_mux_rd : in std_logic_vector(NOCEM_NUM_VC-1 downto 0); wr_pkt_cntrl : in std_logic_vector(NOCEM_PKT_CNTRL_WIDTH-1 downto 0); wr_pkt_data : in std_logic_vector(NOCEM_DW-1 downto 0); rd_pkt_cntrl : out std_logic_vector(NOCEM_PKT_CNTRL_WIDTH-1 downto 0); rd_pkt_data : out std_logic_vector(NOCEM_DW-1 downto 0); rd_pkt_chdest : out std_logic_vector(NOCEM_ARB_IX_SIZE-1 downto 0); rd_pkt_vcdest : out vc_addr_word; rd_pkt_vcsrc : out vc_addr_word; vc_allocate_from_node : in vc_addr_word; vc_requester_from_node : in vc_addr_word; vc_eop_rd_status : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_eop_wr_status : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_allocate_destch_to_node : out std_logic_vector(NOCEM_ARB_IX_SIZE-1 downto 0); vc_requester_to_node : out vc_addr_word; vc_empty : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_full : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); RE : in std_logic; WE : in std_logic; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT vc_channel_destap port ( node_dest_id : in node_addr_word; vc_mux_wr : in std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_mux_rd : IN std_logic_vector(NOCEM_NUM_VC-1 downto 0); wr_pkt_cntrl : in std_logic_vector(NOCEM_PKT_CNTRL_WIDTH-1 downto 0); wr_pkt_data : in std_logic_vector(NOCEM_DW-1 downto 0); rd_pkt_cntrl : out std_logic_vector(NOCEM_PKT_CNTRL_WIDTH-1 downto 0); rd_pkt_data : out std_logic_vector(NOCEM_DW-1 downto 0); rd_pkt_chdest : out std_logic_vector(NOCEM_ARB_IX_SIZE-1 downto 0); rd_pkt_vcdest : out vc_addr_word; rd_pkt_vcsrc : out vc_addr_word; vc_allocate_from_node : in vc_addr_word; vc_requester_from_node : in vc_addr_word; vc_eop_rd_status : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_eop_wr_status : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_allocate_destch_to_node : out std_logic_vector(NOCEM_ARB_IX_SIZE-1 downto 0); vc_requester_to_node : out vc_addr_word; vc_empty : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); vc_full : out std_logic_vector(NOCEM_NUM_VC-1 downto 0); RE : in std_logic; WE : in std_logic; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT vc_node Port ( local_arb_addr : std_logic_vector(NOCEM_AW-1 downto 0); n_datain : in data_word; n_pkt_cntrl_in : in pkt_cntrl_word; n_dataout : out data_word; n_pkt_cntrl_out : out pkt_cntrl_word; n_channel_cntrl_in : in channel_cntrl_word; n_channel_cntrl_out : out channel_cntrl_word; s_datain : in data_word; s_pkt_cntrl_in : in pkt_cntrl_word; s_dataout : out data_word; s_pkt_cntrl_out : out pkt_cntrl_word; s_channel_cntrl_in : in channel_cntrl_word; s_channel_cntrl_out : out channel_cntrl_word; e_datain : in data_word; e_pkt_cntrl_in : in pkt_cntrl_word; e_dataout : out data_word; e_pkt_cntrl_out : out pkt_cntrl_word; e_channel_cntrl_in : in channel_cntrl_word; e_channel_cntrl_out : out channel_cntrl_word; w_datain : in data_word; w_pkt_cntrl_in : in pkt_cntrl_word; w_dataout : out data_word; w_pkt_cntrl_out : out pkt_cntrl_word; w_channel_cntrl_in : in channel_cntrl_word; w_channel_cntrl_out : out channel_cntrl_word; ap_datain : in data_word; ap_pkt_cntrl_in : in pkt_cntrl_word; ap_dataout : out data_word; ap_pkt_cntrl_out : out pkt_cntrl_word; ap_channel_cntrl_in : in channel_cntrl_word; ap_channel_cntrl_out : out channel_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; -- COMPONENT noc2proc_bridge -- generic -- ( -- -- NOC_ADDR_WIDTH : integer := 4; -- NOC_ARB_CNTRL_WIDTH : integer := 4; -- NOC_DATA_WIDTH : integer := 16; -- NOC_PKT_CNTRL_WIDTH : integer := 4; -- -- C_AWIDTH : integer := 32; -- C_DWIDTH : integer := 64; -- C_NUM_CS : integer := 1; -- C_NUM_CE : integer := 2; -- C_IP_INTR_NUM : integer := 1 -- -- ); -- port -- ( -- noc_arb_req : out std_logic; -- noc_arb_cntrl_req : out std_logic_vector(NOC_ARB_CNTRL_WIDTH-1 downto 0); -- -- noc_arb_grant : in std_logic; -- noc_arb_cntrl_grant : in std_logic_vector(NOC_ARB_CNTRL_WIDTH-1 downto 0); -- -- noc_datain : in std_logic_vector(NOC_DATA_WIDTH-1 downto 0); -- noc_datain_valid : in std_logic; -- noc_datain_recvd : out std_logic; -- -- noc_dataout : out std_logic_vector(NOC_DATA_WIDTH-1 downto 0); -- noc_dataout_valid : out std_logic; -- noc_dataout_recvd : in std_logic; -- -- noc_pkt_cntrl_in : in std_logic_vector(NOC_PKT_CNTRL_WIDTH-1 downto 0); -- noc_pkt_cntrl_in_valid : in std_logic; -- noc_pkt_cntrl_in_recvd : out std_logic; -- -- noc_pkt_cntrl_out : out std_logic_vector(NOC_PKT_CNTRL_WIDTH-1 downto 0); -- noc_pkt_cntrl_out_valid : out std_logic; -- noc_pkt_cntrl_out_recvd : in std_logic; -- -- -- Bus2IP_Clk : in std_logic; -- Bus2IP_Reset : in std_logic; -- IP2Bus_IntrEvent : out std_logic_vector(0 to C_IP_INTR_NUM-1); -- Bus2IP_Addr : in std_logic_vector(0 to C_AWIDTH-1); -- Bus2IP_Data : in std_logic_vector(0 to C_DWIDTH-1); -- Bus2IP_BE : in std_logic_vector(0 to C_DWIDTH/8-1); -- Bus2IP_Burst : in std_logic; -- Bus2IP_CS : in std_logic_vector(0 to C_NUM_CS-1); -- Bus2IP_CE : in std_logic_vector(0 to C_NUM_CE-1); -- Bus2IP_RdCE : in std_logic_vector(0 to C_NUM_CE-1); -- Bus2IP_WrCE : in std_logic_vector(0 to C_NUM_CE-1); -- Bus2IP_RdReq : in std_logic; -- Bus2IP_WrReq : in std_logic; -- IP2Bus_Data : out std_logic_vector(0 to C_DWIDTH-1); -- IP2Bus_Retry : out std_logic; -- IP2Bus_Error : out std_logic; -- IP2Bus_ToutSup : out std_logic; -- IP2Bus_RdAck : out std_logic; -- IP2Bus_WrAck : out std_logic; -- Bus2IP_MstError : in std_logic; -- Bus2IP_MstLastAck : in std_logic; -- Bus2IP_MstRdAck : in std_logic; -- Bus2IP_MstWrAck : in std_logic; -- Bus2IP_MstRetry : in std_logic; -- Bus2IP_MstTimeOut : in std_logic; -- IP2Bus_Addr : out std_logic_vector(0 to C_AWIDTH-1); -- IP2Bus_MstBE : out std_logic_vector(0 to C_DWIDTH/8-1); -- IP2Bus_MstBurst : out std_logic; -- IP2Bus_MstBusLock : out std_logic; -- IP2Bus_MstNum : out std_logic_vector(0 to 4); -- IP2Bus_MstRdReq : out std_logic; -- IP2Bus_MstWrReq : out std_logic; -- IP2IP_Addr : out std_logic_vector(0 to C_AWIDTH-1) -- ); -- END COMPONENT; -- -- COMPONENT packet_buffer -- generic( -- DATAIN_WIDTH : integer := 64; -- DATAOUT_WIDTH : integer := 32 -- ); -- port ( -- din: IN std_logic_VECTOR(DATAIN_WIDTH-1 downto 0); -- clk: IN std_logic; -- rd_en: IN std_logic; -- rst: IN std_logic; -- wr_en : IN std_logic; -- dout: OUT std_logic_VECTOR(DATAOUT_WIDTH-1 downto 0); -- empty: OUT std_logic; -- full: OUT std_logic; -- wr_ack : out std_logic; -- pkt_len : in std_logic_vector(7 downto 0); -- pkt_metadata_din : in std_logic_vector(255 downto 0); -- pkt_metadata_re : IN std_logic; -- pkt_metadata_we : IN std_logic; -- pkt_metadata_dout : out std_logic_vector(255 downto 0); -- pkt_metadata_empty : out std_logic; -- pkt_metadata_full : out std_logic -- -- ); -- END COMPONENT; -- -- COMPONENT nocem_net_layer -- Port ( -- noc_arb_req : out std_logic; -- noc_arb_cntrl_req : out arb_cntrl_word; -- noc_arb_grant : in std_logic; -- noc_arb_cntrl_grant : in arb_cntrl_word; -- noc_datain : in data_word; -- noc_datain_valid : in std_logic; -- noc_datain_recvd : out std_logic; -- noc_dataout : out data_word; -- noc_dataout_valid : out std_logic; -- noc_dataout_recvd : in std_logic; -- noc_pkt_cntrl_in : in pkt_cntrl_word; -- noc_pkt_cntrl_in_valid : in std_logic; -- noc_pkt_cntrl_in_recvd : out std_logic; -- noc_pkt_cntrl_out : out pkt_cntrl_word; -- noc_pkt_cntrl_out_valid : out std_logic; -- noc_pkt_cntrl_out_recvd : in std_logic; -- ip2noc_addr : in std_logic_vector(NOCEM_AW-1 downto 0); -- ip2noc_packet_len : in std_logic_vector(7 downto 0); -- ip2noc_pkt_cntrl_we : in std_logic; -- ip2noc_packet : in std_logic_vector(63 downto 0); -- ip2noc_packet_we : in std_logic; -- ip2noc_pb_rdy : out std_logic; -- noc2ip_addr : out std_logic_vector(NOCEM_AW-1 downto 0); -- noc2ip_packet_len : out std_logic_vector(7 downto 0); -- noc2ip_pkt_cntrl_re : in std_logic; -- noc2ip_packet : out std_logic_vector(63 downto 0); -- noc2ip_packet_re : in std_logic; -- noc2ip_pb_rdy : out std_logic; -- clk : in std_logic; -- rst : in std_logic -- ); -- END COMPONENT; COMPONENT nocem Port( arb_req : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); arb_cntrl_in : in arb_cntrl_array(NOCEM_NUM_AP-1 downto 0); arb_grant : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); arb_cntrl_out : out arb_cntrl_array(NOCEM_NUM_AP-1 downto 0); datain : in data_array(NOCEM_NUM_AP-1 downto 0); datain_valid : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); datain_recvd : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); dataout : out data_array(NOCEM_NUM_AP-1 downto 0); dataout_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); dataout_recvd : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in : in pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in_valid : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in_recvd : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out : out pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out_recvd : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; constant EXERCISER_MODE_SIM : integer := 0; constant EXERCISER_MODE_IMPLEMENT1 : integer := 0; COMPONENT ap_exerciser_vc Generic( DELAY_START_COUNTER_WIDTH : integer := 32; DELAY_START_CYCLES : integer := 500; PKT_LENGTH : integer := 5; INTERVAL_COUNTER_WIDTH : integer := 8; DATA_OUT_INTERVAL : integer := 16; INIT_DEST_ADDR : integer := 2; MY_ADDR : integer := 0; EXERCISER_MODE : integer := EXERCISER_MODE_SIM ) ; Port ( arb_req : out std_logic; arb_cntrl_out : out arb_cntrl_word; arb_grant : in std_logic; arb_cntrl_in : in arb_cntrl_word; datain : in data_word; datain_valid : in std_logic; datain_recvd : out std_logic; dataout : out data_word; dataout_valid : out std_logic; dataout_recvd : in std_logic; pkt_cntrl_in : in pkt_cntrl_word; pkt_cntrl_in_valid : in std_logic; pkt_cntrl_in_recvd : out std_logic; pkt_cntrl_out : out pkt_cntrl_word; pkt_cntrl_out_valid : out std_logic; pkt_cntrl_out_recvd : in std_logic; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT access_point_exerciser Generic( DELAY_START_COUNTER_WIDTH: integer; DELAY_START_CYCLES: integer; BURST_LENGTH: integer; INIT_DATA_OUT : data_word; INTERVAL_COUNTER_WIDTH: integer; DATA_OUT_INTERVAL : integer; INIT_DEST_ADDR : integer ) ; Port ( -- arbitration lines (usage depends on underlying network) arb_req : out std_logic; arb_cntrl_out : out arb_cntrl_word; arb_grant : in std_logic; arb_cntrl_in : in arb_cntrl_word; datain : in data_word; datain_valid : in std_logic; datain_recvd : out std_logic; dataout : out data_word; dataout_valid : out std_logic; dataout_recvd : in std_logic; pkt_cntrl_in : in pkt_cntrl_word; pkt_cntrl_in_valid : in std_logic; pkt_cntrl_in_recvd : out std_logic; pkt_cntrl_out : out pkt_cntrl_word; pkt_cntrl_out_valid : out std_logic; pkt_cntrl_out_recvd : in std_logic; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT channel_fifo generic ( P0_NODE_ADDR : integer; P1_NODE_ADDR : integer; IS_AN_ACCESS_POINT_CHANNEL : boolean ); port ( p0_datain : in data_word; p0_pkt_cntrl_in : in pkt_cntrl_word; p0_dataout : out data_word; p0_pkt_cntrl_out : out pkt_cntrl_word; p0_channel_cntrl_in : in channel_cntrl_word; p0_channel_cntrl_out : out channel_cntrl_word; p1_datain : in data_word; p1_pkt_cntrl_in : in pkt_cntrl_word; p1_dataout : out data_word; p1_pkt_cntrl_out : out pkt_cntrl_word; p1_channel_cntrl_in : in channel_cntrl_word; p1_channel_cntrl_out : out channel_cntrl_word; clk: IN std_logic; rst: IN std_logic ); END COMPONENT; COMPONENT channel_fifo_reg PORT( clk : IN std_logic; din : IN std_logic_vector(255 downto 0); rd_en : IN std_logic; rst : IN std_logic; wr_en : IN std_logic; dout : OUT std_logic_vector(255 downto 0); empty : OUT std_logic; full : OUT std_logic ); END COMPONENT; COMPONENT fifo_allvhdl GENERIC( WIDTH : integer; ADDR_WIDTH : integer ); PORT( din : in std_logic_vector(WIDTH-1 downto 0); -- Input data dout : out std_logic_vector(WIDTH-1 downto 0); -- Output data clk : in std_logic; -- System Clock rst : in std_logic; -- System global Reset rd_en : in std_logic; -- Read Enable wr_en : in std_logic; -- Write Enable full : out std_logic; -- Full Flag empty : out std_logic -- Empty Flag ); END COMPONENT; COMPONENT fifo_gfs generic ( WIDTH : integer; -- FIFO word width ADD_WIDTH : integer -- Address Width ); PORT( Data_in : IN std_logic_vector(WIDTH-1 downto 0); clk : IN std_logic; Reset : IN std_logic; RE : IN std_logic; WE : IN std_logic; Data_out : OUT std_logic_vector(WIDTH-1 downto 0); Full : OUT std_logic; Half_full : OUT std_logic; empty : OUT std_logic ); END COMPONENT; COMPONENT ic_bus_nocem Port ( arb_grant : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); --data and addr incoming/outgoing line (usage depends on underlying network) datain : in data_array(NOCEM_NUM_AP-1 downto 0); dataout : out data_array(NOCEM_NUM_AP-1 downto 0); dataout_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); addrin : in pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); addrout : out pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); addrout_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT simple_pkt_node port ( local_arb_addr : std_logic_vector(NOCEM_AW-1 downto 0); n_datain : in data_word; n_pkt_cntrl_in : in pkt_cntrl_word; n_dataout : out data_word; n_pkt_cntrl_out : out pkt_cntrl_word; n_channel_cntrl_in : in channel_cntrl_word; n_channel_cntrl_out : out channel_cntrl_word; s_datain : in data_word; s_pkt_cntrl_in : in pkt_cntrl_word; s_dataout : out data_word; s_pkt_cntrl_out : out pkt_cntrl_word; s_channel_cntrl_in : in channel_cntrl_word; s_channel_cntrl_out : out channel_cntrl_word; e_datain : in data_word; e_pkt_cntrl_in : in pkt_cntrl_word; e_dataout : out data_word; e_pkt_cntrl_out : out pkt_cntrl_word; e_channel_cntrl_in : in channel_cntrl_word; e_channel_cntrl_out : out channel_cntrl_word; w_datain : in data_word; w_pkt_cntrl_in : in pkt_cntrl_word; w_dataout : out data_word; w_pkt_cntrl_out : out pkt_cntrl_word; w_channel_cntrl_in : in channel_cntrl_word; w_channel_cntrl_out : out channel_cntrl_word; ap_datain : in data_word; ap_pkt_cntrl_in : in pkt_cntrl_word; ap_dataout : out data_word; ap_pkt_cntrl_out : out pkt_cntrl_word; ap_channel_cntrl_in : in channel_cntrl_word; ap_channel_cntrl_out : out channel_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT arb_bus_nocem Port( arb_req : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); arb_grant : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT simple_pkt_local_arb Port ( -- local arb info (should be held constant on incoming signal) local_arb_addr : std_logic_vector(NOCEM_AW-1 downto 0); -- needed to mux outputs for the accompanying switch arb_grant_output : out arb_decision_array(4 downto 0); n_pkt_cntrl_in : in pkt_cntrl_word; n_pkt_cntrl_out : out pkt_cntrl_word; n_channel_cntrl_in : in channel_cntrl_word; n_channel_cntrl_out : out channel_cntrl_word; s_pkt_cntrl_in : in pkt_cntrl_word; s_pkt_cntrl_out : out pkt_cntrl_word; s_channel_cntrl_in : in channel_cntrl_word; s_channel_cntrl_out : out channel_cntrl_word; e_pkt_cntrl_in : in pkt_cntrl_word; e_pkt_cntrl_out : out pkt_cntrl_word; e_channel_cntrl_in : in channel_cntrl_word; e_channel_cntrl_out : out channel_cntrl_word; w_pkt_cntrl_in : in pkt_cntrl_word; w_pkt_cntrl_out : out pkt_cntrl_word; w_channel_cntrl_in : in channel_cntrl_word; w_channel_cntrl_out : out channel_cntrl_word; ap_pkt_cntrl_in : in pkt_cntrl_word; ap_pkt_cntrl_out : out pkt_cntrl_word; ap_channel_cntrl_in : in channel_cntrl_word; ap_channel_cntrl_out : out channel_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT simple_pkt_local_switch Port ( arb_grant_output : in arb_decision_array(4 downto 0); ap_datain : in data_word; ap_dataout : out data_word; n_datain : in data_word; n_dataout : out data_word; s_datain : in data_word; s_dataout : out data_word; e_datain : in data_word; e_dataout : out data_word; w_datain : in data_word; w_dataout : out data_word; n_pkt_cntrl_in : in pkt_cntrl_word; n_pkt_cntrl_out : out pkt_cntrl_word; s_pkt_cntrl_in : in pkt_cntrl_word; s_pkt_cntrl_out : out pkt_cntrl_word; e_pkt_cntrl_in : in pkt_cntrl_word; e_pkt_cntrl_out : out pkt_cntrl_word; w_pkt_cntrl_in : in pkt_cntrl_word; w_pkt_cntrl_out : out pkt_cntrl_word; ap_pkt_cntrl_in : in pkt_cntrl_word; ap_pkt_cntrl_out : out pkt_cntrl_word; clk : in std_logic; rst : in std_logic ); END COMPONENT; COMPONENT ic_pkt_nocem Port ( arb_req : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); arb_cntrl_in : in arb_cntrl_array(NOCEM_NUM_AP-1 downto 0); arb_grant : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); arb_cntrl_out : out arb_cntrl_array(NOCEM_NUM_AP-1 downto 0); datain : in data_array(NOCEM_NUM_AP-1 downto 0); datain_valid : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); datain_recvd : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); dataout : out data_array(NOCEM_NUM_AP-1 downto 0); dataout_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); dataout_recvd : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in : in pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in_valid : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_in_recvd : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out : out pkt_cntrl_array(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out_valid : out std_logic_vector(NOCEM_NUM_AP-1 downto 0); pkt_cntrl_out_recvd : in std_logic_vector(NOCEM_NUM_AP-1 downto 0); clk : in std_logic; rst : in std_logic ); END COMPONENT; function addr_gen (I,num_rows,num_cols,addr_width : integer) return std_logic_vector; function Log2 (input : integer) return integer; end pkg_nocem; package body pkg_nocem is -- Example 1 function addr_gen (I,num_rows,num_cols,addr_width : integer) return std_logic_vector is variable final_addr : std_logic_vector(addr_width-1 downto 0); variable x_coord, y_coord : integer; begin x_coord := I mod num_cols; y_coord := I / num_cols; final_addr(addr_width-1 downto addr_width/2) := CONV_STD_LOGIC_VECTOR(x_coord,addr_width/2); final_addr(addr_width/2-1 downto 0) := CONV_STD_LOGIC_VECTOR(y_coord,addr_width/2); return final_addr; end addr_gen; -- it'll do for now function Log2 (input : integer) return integer is begin case input is when 1 => return 0; when 2 => return 1; when 4 => return 2; when 8 => return 3; when 16 => return 4; when 32 => return 5; when 64 => return 6; when others => return -1; end case; end Log2; end pkg_nocem;