Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

`timescale       1ns/1ps

module mor1k #(

    parameter OPTION_DCACHE_SNOOP = "ENABLED",// "NONE","ENABLED" 

    parameter FEATURE_INSTRUCTIONCACHE ="ENABLED",// "NONE","ENABLED" 

    parameter FEATURE_DATACACHE ="ENABLED",// "NONE","ENABLED" 

    parameter FEATURE_IMMU ="ENABLED",// "NONE","ENABLED" 

    parameter FEATURE_DMMU="ENABLED",// "NONE","ENABLED" 

    parameter OPTION_OPERAND_WIDTH=32,

    parameter IRQ_NUM=32

)(

    clk,

    rst,

    cpu_en,

    //snoop_interface

    snoop_adr_i,

    snoop_en_i,

    // Wishbone interface

    iwbm_adr_o,

    iwbm_stb_o,

    iwbm_cyc_o,

    iwbm_sel_o,

    iwbm_we_o,

    iwbm_cti_o,

    iwbm_bte_o,

    iwbm_dat_o,

    iwbm_err_i,

    iwbm_ack_i,

    iwbm_dat_i,

    iwbm_rty_i,

    dwbm_adr_o,

    dwbm_stb_o,

    dwbm_cyc_o,

    dwbm_sel_o,

    dwbm_we_o,

    dwbm_cti_o,

    dwbm_bte_o,

    dwbm_dat_o,

    dwbm_err_i,

    dwbm_ack_i,

    dwbm_dat_i,

    dwbm_rty_i,

    irq_i

);

    input                clk;

    input                rst;

    input [31:0]          snoop_adr_i;

    input                 snoop_en_i;

    // Wishbone interface

    output [31:0]         iwbm_adr_o;

    output                iwbm_stb_o;

    output                iwbm_cyc_o;

    output [3:0]          iwbm_sel_o;

    output                iwbm_we_o;

    output [2:0]          iwbm_cti_o;

    output [1:0]          iwbm_bte_o;

    output [31:0]         iwbm_dat_o;

    input                 iwbm_err_i;

    input                 iwbm_ack_i;

    input [31:0]          iwbm_dat_i;

    input                 iwbm_rty_i;

    output [31:0]         dwbm_adr_o;

    output                dwbm_stb_o;

    output                dwbm_cyc_o;

    output [3:0]          dwbm_sel_o;

    output                dwbm_we_o;

    output [2:0]          dwbm_cti_o;

    output [1:0]          dwbm_bte_o;

    output [31:0]         dwbm_dat_o;

    input                 dwbm_err_i;

    input                 dwbm_ack_i;

    input [31:0]          dwbm_dat_i;

    input                 dwbm_rty_i;

    input [IRQ_NUM-1:0]   irq_i;

    input                 cpu_en;

     // Debug interface

    wire [15:0]          du_addr_i= 16'd0;

    wire                 du_stb_i=1'd0;

    wire [OPTION_OPERAND_WIDTH-1:0]  du_dat_i={OPTION_OPERAND_WIDTH{1'b0}};

    wire                 du_we_i=1'b0;

    // Stall control from debug interface

    wire                 du_stall_i=~cpu_en;

   // wire                du_stall_o,

  wire [31:0] dadr_o,iadr_o;

  wire [31:0] snoop_adr_i_byte;

   assign iwbm_adr_o= {2'b00,iadr_o[31:2]};

   assign dwbm_adr_o= {2'b00,dadr_o[31:2]};

   assign snoop_adr_i_byte= {snoop_adr_i[29:0],2'b00};

mor1kx #(

    .OPTION_DCACHE_SNOOP(OPTION_DCACHE_SNOOP),

        .FEATURE_DEBUGUNIT("ENABLED"),

        .FEATURE_CMOV("ENABLED"),

        .FEATURE_INSTRUCTIONCACHE(FEATURE_INSTRUCTIONCACHE),

        .OPTION_ICACHE_BLOCK_WIDTH(5),

        .OPTION_ICACHE_SET_WIDTH(8),

        .OPTION_ICACHE_WAYS(2),

        .OPTION_ICACHE_LIMIT_WIDTH(32),

        .FEATURE_IMMU(FEATURE_IMMU),

        .FEATURE_DATACACHE(FEATURE_DATACACHE),

        .OPTION_DCACHE_BLOCK_WIDTH(5),

        .OPTION_DCACHE_SET_WIDTH(8),

        .OPTION_DCACHE_WAYS(2),

        .OPTION_DCACHE_LIMIT_WIDTH(31),

        .FEATURE_DMMU(FEATURE_DMMU),

        .OPTION_PIC_TRIGGER("LATCHED_LEVEL"),

        .IBUS_WB_TYPE("B3_REGISTERED_FEEDBACK"),

        .DBUS_WB_TYPE("B3_REGISTERED_FEEDBACK"),

        .OPTION_CPU0("CAPPUCCINO")

        //.OPTION_RESET_PC(32'hf0000000)

)

mor1kx0

(

    .iwbm_adr_o(iadr_o),

    .iwbm_stb_o(iwbm_stb_o),

    .iwbm_cyc_o(iwbm_cyc_o),

    .iwbm_sel_o(iwbm_sel_o),

    .iwbm_we_o(iwbm_we_o),

    .iwbm_cti_o(iwbm_cti_o),

    .iwbm_bte_o(iwbm_bte_o),

    .iwbm_dat_o(iwbm_dat_o),

    .iwbm_err_i(iwbm_err_i),

    .iwbm_ack_i(iwbm_ack_i),

    .iwbm_dat_i(iwbm_dat_i),

    .iwbm_rty_i(iwbm_rty_i),

    .dwbm_adr_o(dadr_o),

    .dwbm_stb_o(dwbm_stb_o),

    .dwbm_cyc_o(dwbm_cyc_o),

    .dwbm_sel_o(dwbm_sel_o),

    .dwbm_we_o(dwbm_we_o),

    .dwbm_cti_o(dwbm_cti_o),

    .dwbm_bte_o(dwbm_bte_o),

    .dwbm_dat_o(dwbm_dat_o),

    .dwbm_err_i(dwbm_err_i),

    .dwbm_ack_i(dwbm_ack_i),

    .dwbm_dat_i(dwbm_dat_i),

    .dwbm_rty_i(dwbm_rty_i),

        .clk(clk),

        .rst(rst),

        .avm_d_address_o (),

        .avm_d_byteenable_o (),

        .avm_d_read_o (),

        .avm_d_readdata_i (32'h00000000),

        .avm_d_burstcount_o (),

        .avm_d_write_o (),

        .avm_d_writedata_o (),

        .avm_d_waitrequest_i (1'b0),

        .avm_d_readdatavalid_i (1'b0),

        .avm_i_address_o (),

        .avm_i_byteenable_o (),

        .avm_i_read_o (),

        .avm_i_readdata_i (32'h00000000),

        .avm_i_burstcount_o (),

        .avm_i_waitrequest_i (1'b0),

        .avm_i_readdatavalid_i (1'b0),

        .irq_i(irq_i),

        .traceport_exec_valid_o  (),

        .traceport_exec_pc_o     (),

        .traceport_exec_insn_o   (),

        .traceport_exec_wbdata_o (),

        .traceport_exec_wbreg_o  (),

        .traceport_exec_wben_o   (),

        .multicore_coreid_i   (32'd0),

        .multicore_numcores_i (32'd0),

        .snoop_adr_i (snoop_adr_i_byte),

        .snoop_en_i  (snoop_en_i),

        .du_addr_i(du_addr_i),

    .du_stb_i(du_stb_i),

    .du_dat_i(du_dat_i),

    .du_we_i(du_we_i),

    .du_dat_o( ),

    .du_ack_o( ),

    .du_stall_i(du_stall_i),

    .du_stall_o( )

);

endmodule