| // 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 */ |
| /*--------------------------------------*/ |
| wire clk; |
| wire csb1, csb0, web0, web2, csb2, csb3; |
| wire [31:0] dout1, dout0, din0, dout2, dout3; |
| |
| |
| user_proj_example mprj ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), // User area 1 1.8V power |
| .vssd1(vssd1), // User area 1 digital ground |
| `endif |
| |
| .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_GLOBAL IF |
| //.clk(clk), |
| .csb0(csb0), |
| .csb1(csb1), |
| // .csb2(csb2), |
| // .csb3(csb3), |
| .web0(web0), |
| // .web2(web2), |
| //.wmask0(wmask0), |
| .din0(din0), |
| .dout0(dout0),//SRAM0_Port 0 |
| .dout1(dout1) //SRAM0_Port 1 |
| // .dout2(dout2), //SRAM1_Port 0 |
| // .dout3(dout3) //SRAM1_Port 1 |
| ); |
| |
| sky130_sram_1kbyte_1rw1r_32x256_8 SRAM0 ( |
| `ifdef USE_POWER_PINS |
| .vccd1 (vccd1 ), // User area 1 1.8V supply |
| .vssd1 (vssd1 ), // User area 1 digital ground |
| `endif |
| .clk0 (wb_clk_i ), |
| .csb0 (csb0 ), |
| .web0 (web0 ), |
| .wmask0(wbs_sel_i ), |
| .addr0 (wbs_adr_i[9:2]), |
| .din0 (din0 ), |
| .dout0 (dout0 ), |
| .clk1 (wb_clk_i ), |
| .csb1 (csb1 ), |
| .addr1 (wbs_adr_i[9:2]), |
| .dout1 (dout1 ) |
| ); |
| |
| // sky130_sram_2kbyte_1rw1r_32x512_8 SRAM1 ( |
| // `ifdef USE_POWER_PINS |
| // .vccd1 (vccd1 ), // User area 1 1.8V supply |
| // .vssd1 (vssd1 ), // User area 1 digital ground |
| // `endif |
| // .clk0 (wb_clk_i ), |
| // .csb0 (csb2 ), |
| // .web0 (web2 ), |
| // .wmask0(wbs_sel_i ), |
| // .addr0 (wbs_adr_i[10:2]), |
| // .din0 (din0 ), |
| // .dout0 (dout2 ), |
| // .clk1 (wb_clk_i ), |
| // .csb1 (csb3 ), |
| // .addr1 (wbs_adr_i[10:2]), |
| // .dout1 (dout3 ) |
| // ); |
| |
| |
| endmodule // user_project_wrapper |
| |
| `default_nettype wire |