| // 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 |
| `include "openram_defines.v" |
| /* |
| *------------------------------------------------------------- |
| * |
| * 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 |
| ); |
| |
| // Shared control/data to the SRAMs |
| wire [`ADDR_SIZE-1:0] addr0; |
| wire [`DATA_SIZE-1:0] din0; |
| wire web0; |
| wire [`WMASK_SIZE-1:0] wmask0; |
| wire [`ADDR_SIZE-1:0] addr1; |
| wire [`DATA_SIZE-1:0] din1; |
| wire web1; |
| wire [`WMASK_SIZE-1:0] wmask1; |
| // One CSB for each SRAM |
| wire [`MAX_CHIPS-1:0] csb0; |
| wire [`MAX_CHIPS-1:0] csb1; |
| |
| |
| |
| wire [31:0] sram0_dout0; |
| wire [31:0] sram0_dout1; |
| wire [31:0] sram1_dout0; |
| wire [31:0] sram1_dout1; |
| wire [31:0] sram2_dout0; |
| wire [31:0] sram2_dout1; |
| wire [31:0] sram3_dout0; |
| wire [31:0] sram3_dout1; |
| wire [31:0] sram4_dout0; |
| wire [31:0] sram4_dout1; |
| wire [31:0] sram5_dout0; |
| wire [31:0] sram5_dout1; |
| wire [31:0] sram6_dout0; |
| wire [31:0] sram6_dout1; |
| wire [31:0] sram7_dout0; |
| wire [31:0] sram7_dout1; |
| wire [31:0] sram8_dout0; |
| wire [31:0] sram8_dout1; |
| wire [31:0] sram9_dout0; |
| wire [31:0] sram9_dout1; |
| wire [31:0] sram10_dout0; |
| wire [31:0] sram10_dout1; |
| wire [31:0] sram11_dout0; |
| wire [31:0] sram11_dout1; |
| wire [31:0] sram12_dout0; |
| wire [31:0] sram12_dout1; |
| wire [31:0] sram13_dout0; |
| wire [31:0] sram13_dout1; |
| wire [31:0] sram14_dout0; |
| wire [31:0] sram14_dout1; |
| |
| |
| |
| openram_testchip CONTROL_LOGIC( |
| .reset(io_in[15]|~wb_rst_i), |
| .in_select(io_in[16]), |
| .gpio_clk(io_in[17]), |
| .gpio_sram_clk(io_in[18]), |
| .gpio_scan(io_in[19]), |
| .gpio_sram_load(io_in[20]), |
| |
| .la_clk(la_data_in[127]), |
| .la_sram_clk(la_data_in[126]), |
| .la_in_load(la_data_in[125]), |
| .la_sram_load(la_data_in[124]), |
| .la_data_in(la_data_in[111:0]), |
| .la_data_out(la_data_out[111:0]), |
| .gpio_out(io_out[21]), |
| |
| // Shared control/data to the SRAMs |
| .left_addr0(addr0), |
| .left_din0(din0), |
| .left_web0(web0), |
| .left_wmask0(wmask0), |
| .left_addr1(addr1), |
| .left_web1(web1), |
| .left_wmask1(wmask1), |
| // One CSB for each SRAM |
| .left_csb0(csb0), |
| .left_csb1(csb1), |
| |
| // Shared control/data to the SRAMs |
| .right_addr0(addr0), |
| .right_din0(din0), |
| .right_web0(web0), |
| .right_wmask0(wmask0), |
| // One CSB for each SRAM |
| .right_csb0(csb0), |
| |
| // Clocks for each SRAM |
| .sram0_clk(sram0_clk), |
| .sram1_clk(sram1_clk), |
| .sram2_clk(sram2_clk), |
| .sram3_clk(sram3_clk), |
| .sram4_clk(sram4_clk), |
| .sram5_clk(sram5_clk), |
| .sram6_clk(sram6_clk), |
| .sram7_clk(sram7_clk), |
| .sram8_clk(sram8_clk), |
| .sram9_clk(sram9_clk), |
| .sram10_clk(sram10_clk), |
| .sram11_clk(sram11_clk), |
| .sram12_clk(sram12_clk), |
| .sram13_clk(sram13_clk), |
| .sram14_clk(sram14_clk), |
| .sram15_clk(sram15_clk), |
| |
| // SRAM data outputs to be captured |
| .sram0_dout0(sram0_dout0), |
| .sram0_dout1(sram0_dout1), |
| .sram1_dout0(sram1_dout0), |
| .sram1_dout1(sram1_dout1), |
| .sram2_dout0(sram2_dout0), |
| .sram2_dout1(sram2_dout1), |
| .sram3_dout0(sram3_dout0), |
| .sram3_dout1(sram3_dout1), |
| .sram4_dout0(sram4_dout0), |
| .sram4_dout1(sram4_dout1), |
| .sram5_dout0(sram5_dout0), |
| .sram5_dout1(sram5_dout1), |
| .sram6_dout0(sram6_dout0), |
| .sram6_dout1(sram6_dout1), |
| .sram7_dout0(sram7_dout0), |
| .sram7_dout1(sram7_dout1), |
| .sram8_dout0(sram8_dout0), |
| .sram8_dout1(sram8_dout1), |
| .sram9_dout0(sram9_dout0), |
| .sram9_dout1(sram9_dout1), |
| .sram10_dout0(sram10_dout0), |
| .sram10_dout1(sram10_dout1), |
| .sram11_dout0(sram11_dout0), |
| .sram11_dout1(sram11_dout1), |
| .sram12_dout0(sram12_dout0), |
| .sram12_dout1(sram12_dout1), |
| .sram13_dout0(sram13_dout0), |
| .sram13_dout1(sram13_dout1), |
| .sram14_dout0(sram14_dout0), |
| .sram14_dout1(sram14_dout1), |
| .sram15_dout0(sram15_dout0), |
| .sram15_dout1(sram15_dout1), |
| |
| |
| ); |
| |
| wire [`ADDR_SIZE-1:0] left_addr0; |
| wire [`DATA_SIZE-1:0] left_din0; |
| wire left_web0; |
| wire [`WMASK_SIZE-1:0] left_wmask0; |
| wire [`ADDR_SIZE-1:0] left_addr1; |
| wire [`DATA_SIZE-1:0] left_din1; |
| wire left_web1; |
| wire [`WMASK_SIZE-1:0] left_wmask1; |
| wire [`MAX_CHIPS-1:0] left_csb0; |
| wire [`MAX_CHIPS-1:0] left_csb1; |
| |
| wire [`ADDR_SIZE-1:0] right_addr0; |
| wire [`DATA_SIZE-1:0] right_din0; |
| wire right_web0; |
| wire [`WMASK_SIZE-1:0] right_wmask0; |
| wire [`MAX_CHIPS-1:0] right_csb0; |
| |
| wire [`DATA_SIZE-1:0] sram0_dout0; |
| wire [`DATA_SIZE-1:0] sram0_dout1; |
| wire [`DATA_SIZE-1:0] sram1_dout0; |
| wire [`DATA_SIZE-1:0] sram1_dout1; |
| wire [`DATA_SIZE-1:0] sram2_dout0; |
| wire [`DATA_SIZE-1:0] sram2_dout1; |
| wire [`DATA_SIZE-1:0] sram3_dout0; |
| wire [`DATA_SIZE-1:0] sram3_dout1; |
| wire [`DATA_SIZE-1:0] sram4_dout0; |
| wire [`DATA_SIZE-1:0] sram4_dout1; |
| wire [`DATA_SIZE-1:0] sram5_dout0; |
| wire [`DATA_SIZE-1:0] sram5_dout1; |
| wire [`DATA_SIZE-1:0] sram6_dout0; |
| wire [`DATA_SIZE-1:0] sram6_dout1; |
| wire [`DATA_SIZE-1:0] sram7_dout0; |
| wire [`DATA_SIZE-1:0] sram7_dout1; |
| wire [`DATA_SIZE-1:0] sram8_dout0; |
| wire [`DATA_SIZE-1:0] sram8_dout1; |
| wire [`DATA_SIZE-1:0] sram9_dout0; |
| wire [`DATA_SIZE-1:0] sram9_dout1; |
| wire [`DATA_SIZE-1:0] sram10_dout0; |
| wire [`DATA_SIZE-1:0] sram10_dout1; |
| wire [`DATA_SIZE-1:0] sram11_dout0; |
| wire [`DATA_SIZE-1:0] sram11_dout1; |
| wire [`DATA_SIZE-1:0] sram12_dout0; |
| wire [`DATA_SIZE-1:0] sram12_dout1; |
| wire [`DATA_SIZE-1:0] sram13_dout0; |
| wire [`DATA_SIZE-1:0] sram13_dout1; |
| wire [`DATA_SIZE-1:0] sram14_dout0; |
| wire [`DATA_SIZE-1:0] sram14_dout1; |
| wire [`DATA_SIZE-1:0] sram15_dout0; |
| wire [`DATA_SIZE-1:0] sram15_dout1; |
| |
| // Only io_out[27] is output |
| assign io_oeb = 1'b1 << 21; |
| |
| sky130_sram_1kbyte_1rw1r_8x1024_8 SRAM0 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram0_clk), |
| .csb0 (left_csb0[0]), |
| .web0 (left_web0), |
| .wmask0 (left_wmask0), |
| .addr0 (left_addr0), |
| .din0 (left_din0), |
| .dout0 (sram0_dout0[7:0]), |
| .clk1 (sram0_clk), |
| .csb1 (left_csb1[0]), |
| .addr1 (left_addr0), |
| .dout1 (sram0_dout1[7:0]) |
| ); |
| assign sram0_dout0[`DATA_SIZE-1:8] = 0; |
| assign sram0_dout1[`DATA_SIZE-1:8] = 0; |
| |
| sky130_sram_1kbyte_1rw1r_32x256_8 SRAM1 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram1_clk), |
| .csb0 (left_csb0[1]), |
| .web0 (left_web0), |
| .wmask0 (left_wmask0), |
| .addr0 (left_addr0), |
| .din0 (left_din0), |
| .dout0 (sram1_dout0), |
| .clk1 (sram1_clk), |
| .csb1 (left_csb1[1]), |
| .addr1 (left_addr1), |
| .dout1 (sram1_dout1) |
| ); |
| |
| sky130_sram_2kbyte_1rw1r_32x512_8 SRAM2 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram2_clk), |
| .csb0 (left_csb0[2]), |
| .web0 (left_web0), |
| .wmask0 (left_wmask0), |
| .addr0 (left_addr0), |
| .din0 (left_din0), |
| .dout0 (sram2_dout0), |
| .clk1 (sram2_clk), |
| .csb1 (left_csb1[2]), |
| .addr1 (left_addr1), |
| .dout1 (sram2_dout1) |
| ); |
| |
| sky130_sram_4kbyte_1rw1r_32x1024_8 SRAM3 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram3_clk), |
| .csb0 (left_csb0[3]), |
| .web0 (left_web0), |
| .wmask0 (left_wmask0), |
| .addr0 (left_addr0), |
| .din0 (left_din0), |
| .dout0 (sram3_dout0), |
| .clk1 (sram3_clk), |
| .csb1 (left_csb1[3]), |
| .addr1 (left_addr1), |
| .dout1 (sram3_dout1) |
| ); |
| |
| sky130_sram_8kbyte_1rw1r_32x2048_8 SRAM4 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram4_clk), |
| .csb0 (left_csb0[4]), |
| .web0 (left_web0), |
| .wmask0 (left_wmask0), |
| .addr0 (left_addr0), |
| .din0 (left_din0), |
| .dout0 (sram4_dout0), |
| .clk1 (sram4_clk), |
| .csb1 (left_csb1[4]), |
| .addr1 (left_addr1), |
| .dout1 (sram4_dout1) |
| ); |
| |
| // Not working yet |
| // sky130_sram_16kbyte_1rw1r_32x4096_8 SRAM6 |
| // ( |
| // `ifdef USE_POWER_PINS |
| // .vccd1(vccd1), |
| // .vssd1(vssd1), |
| // `endif |
| // .clk0 (sram6_clk), |
| // .csb0 (csb0[6]), |
| // .web0 (web0), |
| // .wmask0 (wmask0), |
| // .addr0 (addr0), |
| // .din0 (din0), |
| // .dout0 (sram6_dout0), |
| // .clk1 (sram6_clk), |
| // .csb1 (csb1[6]), |
| // .addr1 (addr1), |
| // .dout1 (sram6_dout1) |
| // ); |
| |
| |
| |
| // Single port memories |
| sram_1rw0r0w_32_256_sky130 SRAM8 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram8_clk), |
| .csb0 (right_csb0[8]), |
| .web0 (right_web0), |
| .wmask0 (right_wmask0), |
| .addr0 (right_addr0), |
| .din0 (right_din0), |
| .dout0 (sram8_dout0) |
| ); |
| assign sram8_dout1 = 0; |
| |
| sram_1rw0r0w_32_512_sky130 SRAM9 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram9_clk), |
| .csb0 (right_csb0[9]), |
| .web0 (right_web0), |
| .wmask0 (right_wmask0), |
| .addr0 (right_addr0), |
| .din0 (right_din0), |
| .dout0 (sram9_dout0) |
| ); |
| assign sram9_dout1 = 0; |
| |
| sram_1rw0r0w_32_1024_sky130 SRAM10 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram10_clk), |
| .csb0 (right_csb0[10]), |
| .web0 (right_web0), |
| .wmask0 (right_wmask0), |
| .addr0 (right_addr0), |
| .din0 (right_din0), |
| .dout0 (sram10_dout0) |
| ); |
| assign sram10_dout1 = 0; |
| |
| sram_1rw0r0w_64_512_sky130 SRAM11 |
| ( |
| `ifdef USE_POWER_PINS |
| .vccd1(vccd1), |
| .vssd1(vssd1), |
| `endif |
| .clk0 (sram11_clk), |
| .csb0 (right_csb0[11]), |
| .web0 (right_web0), |
| .wmask0 (right_wmask0), |
| .addr0 (right_addr0), |
| .din0 ({right_din0[31:16], 32'd0, right_din0[15:0]}), |
| .dout0 (temp_sram11_dout0) |
| ); |
| |
| wire [63:0] temp_sram11_dout0; |
| assign sram11_dout1 = 0; |
| assign sram11_dout0 = {temp_sram11_dout0[64:33], temp_sram11_dout[15:0]}; |
| |
| |
| |
| endmodule // user_project_wrapper |
| |
| `default_nettype wire |
