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[/] [tosnet/] [trunk/] [gateware/] [MicroBlaze_Peripheral_rev3_2/] [pcores/] [tosnet_v3_20_a/] [hdl/] [vhdl/] [tosnet.vhd] - Rev 5
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------------------------------------------------------------------------------ -- tosnet.vhd - entity/architecture pair ------------------------------------------------------------------------------ -- IMPORTANT: -- DO NOT MODIFY THIS FILE EXCEPT IN THE DESIGNATED SECTIONS. -- -- SEARCH FOR --USER TO DETERMINE WHERE CHANGES ARE ALLOWED. -- -- TYPICALLY, THE ONLY ACCEPTABLE CHANGES INVOLVE ADDING NEW -- PORTS AND GENERICS THAT GET PASSED THROUGH TO THE INSTANTIATION -- OF THE USER_LOGIC ENTITY. ------------------------------------------------------------------------------ -- -- *************************************************************************** -- ** Copyright (c) 1995-2010 Xilinx, Inc. All rights reserved. ** -- ** ** -- ** Xilinx, Inc. ** -- ** XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" ** -- ** AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND ** -- ** SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, ** -- ** OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, ** -- ** APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION ** -- ** THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, ** -- ** AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE ** -- ** FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY ** -- ** WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE ** -- ** IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR ** -- ** REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF ** -- ** INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ** -- ** FOR A PARTICULAR PURPOSE. ** -- ** ** -- *************************************************************************** -- ------------------------------------------------------------------------------ -- Filename: tosnet.vhd -- Version: 3.20.a -- Description: Top level design, instantiates library components and user logic. -- Date: Tue Aug 03 15:27:10 2010 (by Create and Import Peripheral Wizard) -- VHDL Standard: VHDL'93 ------------------------------------------------------------------------------ -- Naming Conventions: -- active low signals: "*_n" -- clock signals: "clk", "clk_div#", "clk_#x" -- reset signals: "rst", "rst_n" -- generics: "C_*" -- user defined types: "*_TYPE" -- state machine next state: "*_ns" -- state machine current state: "*_cs" -- combinatorial signals: "*_com" -- pipelined or register delay signals: "*_d#" -- counter signals: "*cnt*" -- clock enable signals: "*_ce" -- internal version of output port: "*_i" -- device pins: "*_pin" -- ports: "- Names begin with Uppercase" -- processes: "*_PROCESS" -- component instantiations: "<ENTITY_>I_<#|FUNC>" ------------------------------------------------------------------------------ library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; library proc_common_v3_00_a; use proc_common_v3_00_a.proc_common_pkg.all; use proc_common_v3_00_a.ipif_pkg.all; library plbv46_slave_single_v1_01_a; use plbv46_slave_single_v1_01_a.plbv46_slave_single; library tosnet_v3_20_a; use tosnet_v3_20_a.user_logic; ------------------------------------------------------------------------------ -- Entity section ------------------------------------------------------------------------------ -- Definition of Generics: -- C_BASEADDR -- PLBv46 slave: base address -- C_HIGHADDR -- PLBv46 slave: high address -- C_SPLB_AWIDTH -- PLBv46 slave: address bus width -- C_SPLB_DWIDTH -- PLBv46 slave: data bus width -- C_SPLB_NUM_MASTERS -- PLBv46 slave: Number of masters -- C_SPLB_MID_WIDTH -- PLBv46 slave: master ID bus width -- C_SPLB_NATIVE_DWIDTH -- PLBv46 slave: internal native data bus width -- C_SPLB_P2P -- PLBv46 slave: point to point interconnect scheme -- C_SPLB_SUPPORT_BURSTS -- PLBv46 slave: support bursts -- C_SPLB_SMALLEST_MASTER -- PLBv46 slave: width of the smallest master -- C_SPLB_CLK_PERIOD_PS -- PLBv46 slave: bus clock in picoseconds -- C_INCLUDE_DPHASE_TIMER -- PLBv46 slave: Data Phase Timer configuration; 0 = exclude timer, 1 = include timer -- C_FAMILY -- Xilinx FPGA family -- C_MEM0_BASEADDR -- User memory space 0 base address -- C_MEM0_HIGHADDR -- User memory space 0 high address -- -- Definition of Ports: -- SPLB_Clk -- PLB main bus clock -- SPLB_Rst -- PLB main bus reset -- PLB_ABus -- PLB address bus -- PLB_UABus -- PLB upper address bus -- PLB_PAValid -- PLB primary address valid indicator -- PLB_SAValid -- PLB secondary address valid indicator -- PLB_rdPrim -- PLB secondary to primary read request indicator -- PLB_wrPrim -- PLB secondary to primary write request indicator -- PLB_masterID -- PLB current master identifier -- PLB_abort -- PLB abort request indicator -- PLB_busLock -- PLB bus lock -- PLB_RNW -- PLB read/not write -- PLB_BE -- PLB byte enables -- PLB_MSize -- PLB master data bus size -- PLB_size -- PLB transfer size -- PLB_type -- PLB transfer type -- PLB_lockErr -- PLB lock error indicator -- PLB_wrDBus -- PLB write data bus -- PLB_wrBurst -- PLB burst write transfer indicator -- PLB_rdBurst -- PLB burst read transfer indicator -- PLB_wrPendReq -- PLB write pending bus request indicator -- PLB_rdPendReq -- PLB read pending bus request indicator -- PLB_wrPendPri -- PLB write pending request priority -- PLB_rdPendPri -- PLB read pending request priority -- PLB_reqPri -- PLB current request priority -- PLB_TAttribute -- PLB transfer attribute -- Sl_addrAck -- Slave address acknowledge -- Sl_SSize -- Slave data bus size -- Sl_wait -- Slave wait indicator -- Sl_rearbitrate -- Slave re-arbitrate bus indicator -- Sl_wrDAck -- Slave write data acknowledge -- Sl_wrComp -- Slave write transfer complete indicator -- Sl_wrBTerm -- Slave terminate write burst transfer -- Sl_rdDBus -- Slave read data bus -- Sl_rdWdAddr -- Slave read word address -- Sl_rdDAck -- Slave read data acknowledge -- Sl_rdComp -- Slave read transfer complete indicator -- Sl_rdBTerm -- Slave terminate read burst transfer -- Sl_MBusy -- Slave busy indicator -- Sl_MWrErr -- Slave write error indicator -- Sl_MRdErr -- Slave read error indicator -- Sl_MIRQ -- Slave interrupt indicator ------------------------------------------------------------------------------ entity tosnet is generic ( -- ADD USER GENERICS BELOW THIS LINE --------------- C_REG_ENABLE : std_logic_vector(7 downto 0) := X"00"; C_NODE_ID : integer := 0; C_MAX_SKIPPED_READS : integer := 0; C_MAX_SKIPPED_WRITES : integer := 0; C_WATCHDOG_THRESHOLD : integer := 16384; C_DISABLE_MASTER : std_logic := '0'; C_DISABLE_SLAVE : std_logic := '0'; C_DISABLE_ASYNC : std_logic := '0'; -- ADD USER GENERICS ABOVE THIS LINE --------------- -- DO NOT EDIT BELOW THIS LINE --------------------- -- Bus protocol parameters, do not add to or delete C_BASEADDR : std_logic_vector := X"FFFFFFFF"; C_HIGHADDR : std_logic_vector := X"00000000"; C_SPLB_AWIDTH : integer := 32; C_SPLB_DWIDTH : integer := 128; C_SPLB_NUM_MASTERS : integer := 8; C_SPLB_MID_WIDTH : integer := 3; C_SPLB_NATIVE_DWIDTH : integer := 32; C_SPLB_P2P : integer := 0; C_SPLB_SUPPORT_BURSTS : integer := 0; C_SPLB_SMALLEST_MASTER : integer := 32; C_SPLB_CLK_PERIOD_PS : integer := 10000; C_INCLUDE_DPHASE_TIMER : integer := 0; C_FAMILY : string := "virtex5"; C_MEM0_BASEADDR : std_logic_vector := X"FFFFFFFF"; C_MEM0_HIGHADDR : std_logic_vector := X"00000000" -- DO NOT EDIT ABOVE THIS LINE --------------------- ); port ( -- ADD USER PORTS BELOW THIS LINE ------------------ sig_in : in std_logic; sig_out : out std_logic; clk_50M : in std_logic; sync_strobe : out std_logic; system_halt : out std_logic; -- ADD USER PORTS ABOVE THIS LINE ------------------ -- DO NOT EDIT BELOW THIS LINE --------------------- -- Bus protocol ports, do not add to or delete SPLB_Clk : in std_logic; SPLB_Rst : in std_logic; PLB_ABus : in std_logic_vector(0 to 31); PLB_UABus : in std_logic_vector(0 to 31); PLB_PAValid : in std_logic; PLB_SAValid : in std_logic; PLB_rdPrim : in std_logic; PLB_wrPrim : in std_logic; PLB_masterID : in std_logic_vector(0 to C_SPLB_MID_WIDTH-1); PLB_abort : in std_logic; PLB_busLock : in std_logic; PLB_RNW : in std_logic; PLB_BE : in std_logic_vector(0 to C_SPLB_DWIDTH/8-1); PLB_MSize : in std_logic_vector(0 to 1); PLB_size : in std_logic_vector(0 to 3); PLB_type : in std_logic_vector(0 to 2); PLB_lockErr : in std_logic; PLB_wrDBus : in std_logic_vector(0 to C_SPLB_DWIDTH-1); PLB_wrBurst : in std_logic; PLB_rdBurst : in std_logic; PLB_wrPendReq : in std_logic; PLB_rdPendReq : in std_logic; PLB_wrPendPri : in std_logic_vector(0 to 1); PLB_rdPendPri : in std_logic_vector(0 to 1); PLB_reqPri : in std_logic_vector(0 to 1); PLB_TAttribute : in std_logic_vector(0 to 15); Sl_addrAck : out std_logic; Sl_SSize : out std_logic_vector(0 to 1); Sl_wait : out std_logic; Sl_rearbitrate : out std_logic; Sl_wrDAck : out std_logic; Sl_wrComp : out std_logic; Sl_wrBTerm : out std_logic; Sl_rdDBus : out std_logic_vector(0 to C_SPLB_DWIDTH-1); Sl_rdWdAddr : out std_logic_vector(0 to 3); Sl_rdDAck : out std_logic; Sl_rdComp : out std_logic; Sl_rdBTerm : out std_logic; Sl_MBusy : out std_logic_vector(0 to C_SPLB_NUM_MASTERS-1); Sl_MWrErr : out std_logic_vector(0 to C_SPLB_NUM_MASTERS-1); Sl_MRdErr : out std_logic_vector(0 to C_SPLB_NUM_MASTERS-1); Sl_MIRQ : out std_logic_vector(0 to C_SPLB_NUM_MASTERS-1) -- DO NOT EDIT ABOVE THIS LINE --------------------- ); attribute SIGIS : string; attribute SIGIS of SPLB_Clk : signal is "CLK"; attribute SIGIS of SPLB_Rst : signal is "RST"; end entity tosnet; ------------------------------------------------------------------------------ -- Architecture section ------------------------------------------------------------------------------ architecture IMP of tosnet is ------------------------------------------ -- Array of base/high address pairs for each address range ------------------------------------------ constant ZERO_ADDR_PAD : std_logic_vector(0 to 31) := (others => '0'); constant USER_SLV_BASEADDR : std_logic_vector := C_BASEADDR; constant USER_SLV_HIGHADDR : std_logic_vector := C_HIGHADDR; constant IPIF_ARD_ADDR_RANGE_ARRAY : SLV64_ARRAY_TYPE := ( ZERO_ADDR_PAD & USER_SLV_BASEADDR, -- user logic slave space base address ZERO_ADDR_PAD & USER_SLV_HIGHADDR, -- user logic slave space high address ZERO_ADDR_PAD & C_MEM0_BASEADDR, -- user logic memory space 0 base address ZERO_ADDR_PAD & C_MEM0_HIGHADDR -- user logic memory space 0 high address ); ------------------------------------------ -- Array of desired number of chip enables for each address range ------------------------------------------ constant USER_SLV_NUM_REG : integer := 5; constant USER_NUM_REG : integer := USER_SLV_NUM_REG; constant USER_NUM_MEM : integer := 1; constant IPIF_ARD_NUM_CE_ARRAY : INTEGER_ARRAY_TYPE := ( 0 => pad_power2(USER_SLV_NUM_REG), -- number of ce for user logic slave space 1 => 1 -- number of ce for user logic memory space 0 (always 1 chip enable) ); ------------------------------------------ -- Ratio of bus clock to core clock (for use in dual clock systems) -- 1 = ratio is 1:1 -- 2 = ratio is 2:1 ------------------------------------------ constant IPIF_BUS2CORE_CLK_RATIO : integer := 1; ------------------------------------------ -- Width of the slave data bus (32 only) ------------------------------------------ constant USER_SLV_DWIDTH : integer := C_SPLB_NATIVE_DWIDTH; constant IPIF_SLV_DWIDTH : integer := C_SPLB_NATIVE_DWIDTH; ------------------------------------------ -- Width of the slave address bus (32 only) ------------------------------------------ constant USER_SLV_AWIDTH : integer := C_SPLB_AWIDTH; ------------------------------------------ -- Index for CS/CE ------------------------------------------ constant USER_SLV_CS_INDEX : integer := 0; constant USER_SLV_CE_INDEX : integer := calc_start_ce_index(IPIF_ARD_NUM_CE_ARRAY, USER_SLV_CS_INDEX); constant USER_MEM0_CS_INDEX : integer := 1; constant USER_CS_INDEX : integer := USER_MEM0_CS_INDEX; constant USER_CE_INDEX : integer := USER_SLV_CE_INDEX; ------------------------------------------ -- IP Interconnect (IPIC) signal declarations ------------------------------------------ signal ipif_Bus2IP_Clk : std_logic; signal ipif_Bus2IP_Reset : std_logic; signal ipif_IP2Bus_Data : std_logic_vector(0 to IPIF_SLV_DWIDTH-1); signal ipif_IP2Bus_WrAck : std_logic; signal ipif_IP2Bus_RdAck : std_logic; signal ipif_IP2Bus_Error : std_logic; signal ipif_Bus2IP_Addr : std_logic_vector(0 to C_SPLB_AWIDTH-1); signal ipif_Bus2IP_Data : std_logic_vector(0 to IPIF_SLV_DWIDTH-1); signal ipif_Bus2IP_RNW : std_logic; signal ipif_Bus2IP_BE : std_logic_vector(0 to IPIF_SLV_DWIDTH/8-1); signal ipif_Bus2IP_CS : std_logic_vector(0 to ((IPIF_ARD_ADDR_RANGE_ARRAY'length)/2)-1); signal ipif_Bus2IP_RdCE : std_logic_vector(0 to calc_num_ce(IPIF_ARD_NUM_CE_ARRAY)-1); signal ipif_Bus2IP_WrCE : std_logic_vector(0 to calc_num_ce(IPIF_ARD_NUM_CE_ARRAY)-1); signal user_Bus2IP_RdCE : std_logic_vector(0 to USER_NUM_REG-1); signal user_Bus2IP_WrCE : std_logic_vector(0 to USER_NUM_REG-1); signal user_IP2Bus_Data : std_logic_vector(0 to USER_SLV_DWIDTH-1); signal user_IP2Bus_RdAck : std_logic; signal user_IP2Bus_WrAck : std_logic; signal user_IP2Bus_Error : std_logic; begin ------------------------------------------ -- instantiate plbv46_slave_single ------------------------------------------ PLBV46_SLAVE_SINGLE_I : entity plbv46_slave_single_v1_01_a.plbv46_slave_single generic map ( C_ARD_ADDR_RANGE_ARRAY => IPIF_ARD_ADDR_RANGE_ARRAY, C_ARD_NUM_CE_ARRAY => IPIF_ARD_NUM_CE_ARRAY, C_SPLB_P2P => C_SPLB_P2P, C_BUS2CORE_CLK_RATIO => IPIF_BUS2CORE_CLK_RATIO, C_SPLB_MID_WIDTH => C_SPLB_MID_WIDTH, C_SPLB_NUM_MASTERS => C_SPLB_NUM_MASTERS, C_SPLB_AWIDTH => C_SPLB_AWIDTH, C_SPLB_DWIDTH => C_SPLB_DWIDTH, C_SIPIF_DWIDTH => IPIF_SLV_DWIDTH, C_INCLUDE_DPHASE_TIMER => C_INCLUDE_DPHASE_TIMER, C_FAMILY => C_FAMILY ) port map ( SPLB_Clk => SPLB_Clk, SPLB_Rst => SPLB_Rst, PLB_ABus => PLB_ABus, PLB_UABus => PLB_UABus, PLB_PAValid => PLB_PAValid, PLB_SAValid => PLB_SAValid, PLB_rdPrim => PLB_rdPrim, PLB_wrPrim => PLB_wrPrim, PLB_masterID => PLB_masterID, PLB_abort => PLB_abort, PLB_busLock => PLB_busLock, PLB_RNW => PLB_RNW, PLB_BE => PLB_BE, PLB_MSize => PLB_MSize, PLB_size => PLB_size, PLB_type => PLB_type, PLB_lockErr => PLB_lockErr, PLB_wrDBus => PLB_wrDBus, PLB_wrBurst => PLB_wrBurst, PLB_rdBurst => PLB_rdBurst, PLB_wrPendReq => PLB_wrPendReq, PLB_rdPendReq => PLB_rdPendReq, PLB_wrPendPri => PLB_wrPendPri, PLB_rdPendPri => PLB_rdPendPri, PLB_reqPri => PLB_reqPri, PLB_TAttribute => PLB_TAttribute, Sl_addrAck => Sl_addrAck, Sl_SSize => Sl_SSize, Sl_wait => Sl_wait, Sl_rearbitrate => Sl_rearbitrate, Sl_wrDAck => Sl_wrDAck, Sl_wrComp => Sl_wrComp, Sl_wrBTerm => Sl_wrBTerm, Sl_rdDBus => Sl_rdDBus, Sl_rdWdAddr => Sl_rdWdAddr, Sl_rdDAck => Sl_rdDAck, Sl_rdComp => Sl_rdComp, Sl_rdBTerm => Sl_rdBTerm, Sl_MBusy => Sl_MBusy, Sl_MWrErr => Sl_MWrErr, Sl_MRdErr => Sl_MRdErr, Sl_MIRQ => Sl_MIRQ, Bus2IP_Clk => ipif_Bus2IP_Clk, Bus2IP_Reset => ipif_Bus2IP_Reset, IP2Bus_Data => ipif_IP2Bus_Data, IP2Bus_WrAck => ipif_IP2Bus_WrAck, IP2Bus_RdAck => ipif_IP2Bus_RdAck, IP2Bus_Error => ipif_IP2Bus_Error, Bus2IP_Addr => ipif_Bus2IP_Addr, Bus2IP_Data => ipif_Bus2IP_Data, Bus2IP_RNW => ipif_Bus2IP_RNW, Bus2IP_BE => ipif_Bus2IP_BE, Bus2IP_CS => ipif_Bus2IP_CS, Bus2IP_RdCE => ipif_Bus2IP_RdCE, Bus2IP_WrCE => ipif_Bus2IP_WrCE ); ------------------------------------------ -- instantiate User Logic ------------------------------------------ USER_LOGIC_I : entity tosnet_v3_20_a.user_logic generic map ( -- MAP USER GENERICS BELOW THIS LINE --------------- C_REG_ENABLE => C_REG_ENABLE, C_NODE_ID => C_NODE_ID, C_MAX_SKIPPED_READS => C_MAX_SKIPPED_READS, C_MAX_SKIPPED_WRITES => C_MAX_SKIPPED_WRITES, C_WATCHDOG_THRESHOLD => C_WATCHDOG_THRESHOLD, C_DISABLE_MASTER => C_DISABLE_MASTER, C_DISABLE_SLAVE => C_DISABLE_SLAVE, C_DISABLE_ASYNC => C_DISABLE_ASYNC, -- MAP USER GENERICS ABOVE THIS LINE --------------- C_SLV_AWIDTH => USER_SLV_AWIDTH, C_SLV_DWIDTH => USER_SLV_DWIDTH, C_NUM_REG => USER_NUM_REG, C_NUM_MEM => USER_NUM_MEM ) port map ( -- MAP USER PORTS BELOW THIS LINE ------------------ sig_in => sig_in, sig_out => sig_out, clk_50M => clk_50M, sync_strobe => sync_strobe, system_halt => system_halt, -- MAP USER PORTS ABOVE THIS LINE ------------------ Bus2IP_Clk => ipif_Bus2IP_Clk, Bus2IP_Reset => ipif_Bus2IP_Reset, Bus2IP_Addr => ipif_Bus2IP_Addr, Bus2IP_CS => ipif_Bus2IP_CS(USER_CS_INDEX to USER_CS_INDEX+USER_NUM_MEM-1), Bus2IP_RNW => ipif_Bus2IP_RNW, Bus2IP_Data => ipif_Bus2IP_Data, Bus2IP_BE => ipif_Bus2IP_BE, Bus2IP_RdCE => user_Bus2IP_RdCE, Bus2IP_WrCE => user_Bus2IP_WrCE, IP2Bus_Data => user_IP2Bus_Data, IP2Bus_RdAck => user_IP2Bus_RdAck, IP2Bus_WrAck => user_IP2Bus_WrAck, IP2Bus_Error => user_IP2Bus_Error ); ------------------------------------------ -- connect internal signals ------------------------------------------ IP2BUS_DATA_MUX_PROC : process( ipif_Bus2IP_CS, user_IP2Bus_Data ) is begin case ipif_Bus2IP_CS is when "10" => ipif_IP2Bus_Data <= user_IP2Bus_Data; when "01" => ipif_IP2Bus_Data <= user_IP2Bus_Data; when others => ipif_IP2Bus_Data <= (others => '0'); end case; end process IP2BUS_DATA_MUX_PROC; ipif_IP2Bus_WrAck <= user_IP2Bus_WrAck; ipif_IP2Bus_RdAck <= user_IP2Bus_RdAck; ipif_IP2Bus_Error <= user_IP2Bus_Error; user_Bus2IP_RdCE <= ipif_Bus2IP_RdCE(USER_CE_INDEX to USER_CE_INDEX+USER_NUM_REG-1); user_Bus2IP_WrCE <= ipif_Bus2IP_WrCE(USER_CE_INDEX to USER_CE_INDEX+USER_NUM_REG-1); end IMP;