OpenCores
URL https://opencores.org/ocsvn/versatile_library/versatile_library/trunk

Subversion Repositories versatile_library

[/] [versatile_library/] [trunk/] [rtl/] [verilog/] [wb.v] - Diff between revs 39 and 40

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 39 Rev 40
Line 38... Line 38...
//// Public License along with this source; if not, download it   ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
 
 
 
`ifdef WB3WB3_BRIDGE
// async wb3 - wb3 bridge
// async wb3 - wb3 bridge
`timescale 1ns/1ns
`timescale 1ns/1ns
module vl_wb3wb3_bridge (
`define MODULE wb3wb3_bridge
 
module `BASE`MODULE (
 
`undef MODULE
        // wishbone slave side
        // wishbone slave side
        wbs_dat_i, wbs_adr_i, wbs_sel_i, wbs_bte_i, wbs_cti_i, wbs_we_i, wbs_cyc_i, wbs_stb_i, wbs_dat_o, wbs_ack_o, wbs_clk, wbs_rst,
        wbs_dat_i, wbs_adr_i, wbs_sel_i, wbs_bte_i, wbs_cti_i, wbs_we_i, wbs_cyc_i, wbs_stb_i, wbs_dat_o, wbs_ack_o, wbs_clk, wbs_rst,
        // wishbone master side
        // wishbone master side
        wbm_dat_o, wbm_adr_o, wbm_sel_o, wbm_bte_o, wbm_cti_o, wbm_we_o, wbm_cyc_o, wbm_stb_o, wbm_dat_i, wbm_ack_i, wbm_clk, wbm_rst);
        wbm_dat_o, wbm_adr_o, wbm_sel_o, wbm_bte_o, wbm_cti_o, wbm_we_o, wbm_cyc_o, wbm_stb_o, wbm_dat_i, wbm_ack_i, wbm_clk, wbm_rst);
 
 
Line 117... Line 120...
        if (wbs==wbs_adr & wbs_stb_i & !a_fifo_full)
        if (wbs==wbs_adr & wbs_stb_i & !a_fifo_full)
                wbs_eoc <= wbs_bte_i==linear;
                wbs_eoc <= wbs_bte_i==linear;
        else if (wbs_eoc_alert & (a_rd | a_wr))
        else if (wbs_eoc_alert & (a_rd | a_wr))
                wbs_eoc <= 1'b1;
                wbs_eoc <= 1'b1;
 
 
vl_cnt_shreg_ce_clear # ( .length(16))
`define MODULE cnt_shreg_ce_clear
 
`BASE`MODULE # ( .length(16))
 
`undef MODULE
    cnt0 (
    cnt0 (
        .cke(wbs_ack_o),
        .cke(wbs_ack_o),
        .clear(wbs_eoc),
        .clear(wbs_eoc),
        .q(wbs_count),
        .q(wbs_count),
        .rst(wbs_rst),
        .rst(wbs_rst),
Line 203... Line 208...
                   (wbm==wbm_data & !b_fifo_empty & wbm_we_o & wbm_ack_i & !wbm_eoc) ? 1'b1 :
                   (wbm==wbm_data & !b_fifo_empty & wbm_we_o & wbm_ack_i & !wbm_eoc) ? 1'b1 :
                   (wbm==wbm_data_wait & !b_fifo_empty) ? 1'b1 :
                   (wbm==wbm_data_wait & !b_fifo_empty) ? 1'b1 :
                   1'b0;
                   1'b0;
assign b_rd = b_rd_adr | b_rd_data;
assign b_rd = b_rd_adr | b_rd_data;
 
 
vl_dff dff1 ( .d(b_rd_data), .q(b_rd_data_reg), .clk(wbm_clk), .rst(wbm_rst));
`define MODULE dff
vl_dff_ce # ( .width(36)) dff2 ( .d(b_q), .ce(b_rd_data_reg), .q(temp), .clk(wbm_clk), .rst(wbm_rst));
`BASE`MODULE dff1 ( .d(b_rd_data), .q(b_rd_data_reg), .clk(wbm_clk), .rst(wbm_rst));
 
`undef MODULE
 
`define MODULE dff_ce
 
`BASE`MODULE # ( .width(36)) dff2 ( .d(b_q), .ce(b_rd_data_reg), .q(temp), .clk(wbm_clk), .rst(wbm_rst));
 
`undef MODULE
 
 
assign {wbm_dat_o,wbm_sel_o} = (b_rd_data_reg) ? b_q : temp;
assign {wbm_dat_o,wbm_sel_o} = (b_rd_data_reg) ? b_q : temp;
 
 
 
`define MODULE cnt_shreg_ce_clear
vl_cnt_shreg_ce_clear # ( .length(16))
vl_cnt_shreg_ce_clear # ( .length(16))
 
`undef MODULE
    cnt1 (
    cnt1 (
        .cke(wbm_ack_i),
        .cke(wbm_ack_i),
        .clear(wbm_eoc),
        .clear(wbm_eoc),
        .q(wbm_count),
        .q(wbm_count),
        .rst(wbm_rst),
        .rst(wbm_rst),
Line 230... Line 241...
        else if (wbm_eoc_alert & wbm_ack_i)
        else if (wbm_eoc_alert & wbm_ack_i)
                wbm_cti_o <= endofburst;
                wbm_cti_o <= endofburst;
end
end
 
 
//async_fifo_dw_simplex_top
//async_fifo_dw_simplex_top
vl_fifo_2r2w_async_simplex
`define MODULE fifo_2r2w_async_simplex
 
`BASE`MODULE
 
`undef MODULE
# ( .data_width(36), .addr_width(addr_width))
# ( .data_width(36), .addr_width(addr_width))
fifo (
fifo (
    // a side
    // a side
    .a_d(a_d),
    .a_d(a_d),
    .a_wr(a_wr),
    .a_wr(a_wr),
Line 254... Line 267...
    .b_clk(wbm_clk),
    .b_clk(wbm_clk),
    .b_rst(wbm_rst)
    .b_rst(wbm_rst)
    );
    );
 
 
endmodule
endmodule
 
`undef WE
 
`undef BTE
 
`undef CTI
 
`endif
 
 
 
`ifdef WB3_ARBITER_TYPE1
 
`define MODULE wb3_arbiter_type1
module vl_wb3_arbiter_type1 (
module vl_wb3_arbiter_type1 (
 
`undef MODULE
    wbm_dat_o, wbm_adr_o, wbm_sel_o, wbm_cti_o, wbm_bte_o, wbm_we_o, wbm_stb_o, wbm_cyc_o,
    wbm_dat_o, wbm_adr_o, wbm_sel_o, wbm_cti_o, wbm_bte_o, wbm_we_o, wbm_stb_o, wbm_cyc_o,
    wbm_dat_i, wbm_ack_i, wbm_err_i, wbm_rty_i,
    wbm_dat_i, wbm_ack_i, wbm_err_i, wbm_rty_i,
    wbs_dat_i, wbs_adr_i, wbs_sel_i, wbs_cti_i, wbs_bte_i, wbs_we_i, wbs_stb_i, wbs_cyc_i,
    wbs_dat_i, wbs_adr_i, wbs_sel_i, wbs_cti_i, wbs_bte_i, wbs_we_i, wbs_stb_i, wbs_cyc_i,
    wbs_dat_o, wbs_ack_o, wbs_err_o, wbs_rty_o,
    wbs_dat_o, wbs_ack_o, wbs_err_o, wbs_rty_o,
    wb_clk, wb_rst
    wb_clk, wb_rst
Line 342... Line 362...
end
end
endgenerate
endgenerate
 
 
    assign sel = select | state;
    assign sel = select | state;
 
 
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(32)) mux0 ( .a(wbm_dat_o), .sel(sel), .dout(wbs_dat_i));
`define MODULE mux_andor
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(adr_size-adr_lo)) mux1 ( .a(wbm_adr_o), .sel(sel), .dout(wbs_adr_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(32)) mux0 ( .a(wbm_dat_o), .sel(sel), .dout(wbs_dat_i));
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(sel_size)) mux2 ( .a(wbm_sel_o), .sel(sel), .dout(wbs_sel_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(adr_size-adr_lo)) mux1 ( .a(wbm_adr_o), .sel(sel), .dout(wbs_adr_i));
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(3)) mux3 ( .a(wbm_cti_o), .sel(sel), .dout(wbs_cti_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(sel_size)) mux2 ( .a(wbm_sel_o), .sel(sel), .dout(wbs_sel_i));
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(2)) mux4 ( .a(wbm_bte_o), .sel(sel), .dout(wbs_bte_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(3)) mux3 ( .a(wbm_cti_o), .sel(sel), .dout(wbs_cti_i));
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(1)) mux5 ( .a(wbm_we_o), .sel(sel), .dout(wbs_we_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(2)) mux4 ( .a(wbm_bte_o), .sel(sel), .dout(wbs_bte_i));
    vl_mux_andor # ( .nr_of_ports(nr_of_ports), .width(1)) mux6 ( .a(wbm_stb_o), .sel(sel), .dout(wbs_stb_i));
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(1)) mux5 ( .a(wbm_we_o), .sel(sel), .dout(wbs_we_i));
 
    `BASE`MODULE # ( .nr_of_ports(nr_of_ports), .width(1)) mux6 ( .a(wbm_stb_o), .sel(sel), .dout(wbs_stb_i));
 
`undef MODULE
    assign wbs_cyc_i = |sel;
    assign wbs_cyc_i = |sel;
 
 
    assign wbm_dat_i = {nr_of_ports{wbs_dat_o}};
    assign wbm_dat_i = {nr_of_ports{wbs_dat_o}};
    assign wbm_ack_i = {nr_of_ports{wbs_ack_o}} & sel;
    assign wbm_ack_i = {nr_of_ports{wbs_ack_o}} & sel;
    assign wbm_err_i = {nr_of_ports{wbs_err_o}} & sel;
    assign wbm_err_i = {nr_of_ports{wbs_err_o}} & sel;
    assign wbm_rty_i = {nr_of_ports{wbs_rty_o}} & sel;
    assign wbm_rty_i = {nr_of_ports{wbs_rty_o}} & sel;
 
 
endmodule
endmodule
 
`endif
 
 
 
`ifdef WB_BOOT_ROM
// WB ROM
// WB ROM
module vl_wb_boot_rom (
`define MODULE wb_boot_rom
 
module `BASE`MODULE (
 
`undef MODULE
    wb_adr_i, wb_stb_i, wb_cyc_i,
    wb_adr_i, wb_stb_i, wb_cyc_i,
    wb_dat_o, wb_ack_o, hit_o, wb_clk, wb_rst);
    wb_dat_o, wb_ack_o, hit_o, wb_clk, wb_rst);
 
 
    parameter adr_hi = 31;
    parameter adr_hi = 31;
    parameter adr_lo = 28;
    parameter adr_lo = 28;
Line 420... Line 446...
assign hit_o = hit;
assign hit_o = hit;
assign wb_dat_o = wb_dat & {32{wb_ack}};
assign wb_dat_o = wb_dat & {32{wb_ack}};
assign wb_ack_o = wb_ack;
assign wb_ack_o = wb_ack;
 
 
endmodule
endmodule
 
`endif
 
 
module vl_wb_dpram (
`ifdef WB_DPRAM
 
`define MODULE wb_dpram
 
module `BASE`MODULE (
 
`undef MODULE
        // wishbone slave side a
        // wishbone slave side a
        wbsa_dat_i, wbsa_adr_i, wbsa_we_i, wbsa_cyc_i, wbsa_stb_i, wbsa_dat_o, wbsa_ack_o,
        wbsa_dat_i, wbsa_adr_i, wbsa_we_i, wbsa_cyc_i, wbsa_stb_i, wbsa_dat_o, wbsa_ack_o,
        wbsa_clk, wbsa_rst,
        wbsa_clk, wbsa_rst,
        // wishbone slave side a
        // wishbone slave side a
        wbsb_dat_i, wbsb_adr_i, wbsb_we_i, wbsb_cyc_i, wbsb_stb_i, wbsb_dat_o, wbsb_ack_o,
        wbsb_dat_i, wbsb_adr_i, wbsb_we_i, wbsb_cyc_i, wbsb_stb_i, wbsb_dat_o, wbsb_ack_o,
Line 451... Line 481...
output wbsb_ack_o;
output wbsb_ack_o;
input wbsb_clk, wbsb_rst;
input wbsb_clk, wbsb_rst;
 
 
wire wbsa_dat_tmp, wbsb_dat_tmp;
wire wbsa_dat_tmp, wbsb_dat_tmp;
 
 
vl_dpram_2r2w # (
`define MODULE dpram_2r2w
 
`BASE`MODULE # (
 
`undef MODULE
    .data_width(data_width), .addr_width(addr_width) )
    .data_width(data_width), .addr_width(addr_width) )
dpram0(
dpram0(
    .d_a(wbsa_dat_i),
    .d_a(wbsa_dat_i),
    .q_a(wbsa_dat_tmp),
    .q_a(wbsa_dat_tmp),
    .adr_a(wbsa_adr_i),
    .adr_a(wbsa_adr_i),
Line 479... Line 511...
endgenerate
endgenerate
generate if (dat_o_mask_b==0)
generate if (dat_o_mask_b==0)
    assign wbsb_dat_o = wbsb_dat_tmp;
    assign wbsb_dat_o = wbsb_dat_tmp;
endgenerate
endgenerate
 
 
vl_spr ack_a( .sp(wbsa_cyc_i & wbsa_stb_i & !wbsa_ack_o), .r(1'b1), .q(wbsa_ack_o), .clk(wbsa_clk), .rst(wbsa_rst));
`define MODULE spr
vl_spr ack_b( .sp(wbsb_cyc_i & wbsb_stb_i & !wbsb_ack_o), .r(1'b1), .q(wbsb_ack_o), .clk(wbsb_clk), .rst(wbsb_rst));
`BASE`MODULE ack_a( .sp(wbsa_cyc_i & wbsa_stb_i & !wbsa_ack_o), .r(1'b1), .q(wbsa_ack_o), .clk(wbsa_clk), .rst(wbsa_rst));
 
`BASE`MODULE ack_b( .sp(wbsb_cyc_i & wbsb_stb_i & !wbsb_ack_o), .r(1'b1), .q(wbsb_ack_o), .clk(wbsb_clk), .rst(wbsb_rst));
 
`undef MODULE
 
 
endmodule
endmodule
 
`endif
 
 
 No newline at end of file
 No newline at end of file

powered by: WebSVN 2.1.0

© copyright 1999-2020 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.