openlane/user_project_wrapper/src/user_project_wrapper.v

// SPDX-FileCopyrightText: 2020 Efabless Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0

`default_nettype none
/*
 *-------------------------------------------------------------
 *
 * user_project_wrapper
 *
 * This wrapper enumerates all of the pins available to the
 * user for the user project.
 *
 * An example user project is provided in this wrapper.  The
 * example should be removed and replaced with the actual
 * user project.
 *
 *-------------------------------------------------------------
 */

module user_project_wrapper #(
    parameter BITS = 32
) (
`ifdef USE_POWER_PINS
    inout vdda1,	// User area 1 3.3V supply
    inout vdda2,	// User area 2 3.3V supply
    inout vssa1,	// User area 1 analog ground
    inout vssa2,	// User area 2 analog ground
    inout vccd1,	// User area 1 1.8V supply
    inout vccd2,	// User area 2 1.8v supply
    inout vssd1,	// User area 1 digital ground
    inout vssd2,	// User area 2 digital ground
`endif

    // Wishbone Slave ports (WB MI A)
    input wb_clk_i,
    input wb_rst_i,
    input wbs_stb_i,
    input wbs_cyc_i,
    input wbs_we_i,
    input [3:0] wbs_sel_i,
    input [31:0] wbs_dat_i,
    input [31:0] wbs_adr_i,
    output wbs_ack_o,
    output [31:0] wbs_dat_o,

    // Logic Analyzer Signals
    input  [127:0] la_data_in,
    output [127:0] la_data_out,
    input  [127:0] la_oenb,

    // IOs
    input  [`MPRJ_IO_PADS-1:0] io_in,
    output [`MPRJ_IO_PADS-1:0] io_out,
    output [`MPRJ_IO_PADS-1:0] io_oeb,

    // Analog (direct connection to GPIO pad---use with caution)
    // Note that analog I/O is not available on the 7 lowest-numbered
    // GPIO pads, and so the analog_io indexing is offset from the
    // GPIO indexing by 7 (also upper 2 GPIOs do not have analog_io).
    inout [`MPRJ_IO_PADS-10:0] analog_io,

    // Independent clock (on independent integer divider)
    input   user_clock2,

    // User maskable interrupt signals
    output [2:0] user_irq
);

/*--------------------------------------*/
/* User project is instantiated  here   */
/*--------------------------------------*/

//*
assign la_oenb = 128'b0;
assign la_data_out = 128'b0;
//*/

wire o_csb0;
wire o_web0;
wire [3:0] o_wmask0;
wire [8:0] o_waddr0;
wire [31:0]o_din0;
wire [31:0]i_dout0;

wire o_csb0_1;
wire o_web0_1;
wire [3:0] o_wmask0_1;
wire [8:0] o_waddr0_1;
wire [31:0]o_din0_1;
wire [31:0]i_dout0_1;

sky130_sram_2kbyte_1rw1r_32x512_8 sram (
`ifdef USE_POWER_PINS
    .vccd1(vccd1),
    .vssd1(vssd1),
`endif
    .clk0   (wb_clk_i),
    .csb0   (o_csb0),
    .web0   (o_web0),
    .wmask0 (o_wmask0),
    .addr0  (o_waddr0),
    .din0   (o_din0),
    .dout0  (i_dout0),
    .clk1   (1'b0),
    .csb1   (1'b0),
    .addr1  (9'h0)
);

sky130_sram_2kbyte_1rw1r_32x512_8 sram1 (
    `ifdef USE_POWER_PINS
    .vccd1(vccd1),
    .vssd1(vssd1),
`endif
    .clk0   (wb_clk_i),
    .csb0   (o_csb0_1),
    .web0   (o_web0_1),
    .wmask0 (o_wmask0_1),
    .addr0  (o_waddr0_1),
    .din0   (o_din0_1),
    .dout0  (i_dout0_1),
    .clk1   (1'b0),
    .csb1   (1'b0),
    .addr1  (9'h0)
);

user_proj mprj (
`ifdef USE_POWER_PINS
	.vccd1(vccd1),	// User area 1 1.8V power
	.vssd1(vssd1),	// User area 1 digital ground
`endif

    .clk_i(wb_clk_i),
    .rst_i(wb_rst_i),

    .wb_clk_i(wb_clk_i),
    .wb_rst_i(wb_rst_i),

    // MGMT SoC Wishbone Slave
    .wbs_cyc_i(wbs_cyc_i),
    .wbs_stb_i(wbs_stb_i),
    .wbs_we_i(wbs_we_i),
    .wbs_sel_i(wbs_sel_i),
    .wbs_adr_i(wbs_adr_i),
    .wbs_dat_i(wbs_dat_i),
    .wbs_ack_o(wbs_ack_o),
    .wbs_dat_o(wbs_dat_o),
/*
    // Logic Analyzer
    .la_data_in(la_data_in),
    .la_data_out(la_data_out),
    .la_oenb (la_oenb),
*/
    // IO Pads
    .io_in(io_in),
    .io_out(io_out),
    .io_oeb(io_oeb),

    // IRQ
    .irq(user_irq),

    // SRAM
    .o_wmask0(o_wmask0),
    .o_waddr0(o_waddr0),
    .o_din0(o_din0),
    .i_dout0(i_dout0),
    .o_web0(o_web0),
    .o_csb0(o_csb0),

    // SRAM1
    .o_wmask0_1(o_wmask0_1),
    .o_waddr0_1(o_waddr0_1),
    .o_din0_1(o_din0_1),
    .i_dout0_1(i_dout0_1),
    .o_web0_1(o_web0_1),
    .o_csb0_1(o_csb0_1)
);

endmodule	// user_project_wrapper

`default_nettype wire