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// 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
);
wire [55:0] sram0_connections;
wire [55:0] sram1_connections;
wire [48:0] io_sram2_connections;
wire [46:0] io_sram3_connections;
wire [47:0] io_sram4_connections;
wire [83:0] io_sram5_connections;
wire [31:0] sram0_rw_out;
wire [31:0] sram0_ro_out;
wire [31:0] sram1_rw_out;
wire [31:0] sram1_ro_out;
wire [31:0] sram2_rw_out;
wire [31:0] sram3_rw_out;
wire [31:0] sram4_rw_out;
wire [63:0] sram5_rw_out;
openram_testchip CONTROL_LOGIC(
.la_clk(wb_clk_i),
.gpio_clk(io_in[1]),
.reset(wb_rst_i),
.la_packet(la_data_in[85:0]),
.gpio_packet(io_in[2]),
.in_select(io_in[3]),
.sram0_rw_in(sram0_rw_out),
.sram0_ro_in(sram0_ro_out),
.sram1_rw_in(sram1_rw_out),
.sram1_ro_in(sram1_ro_out),
.sram2_rw_in(sram2_rw_out),
.sram3_rw_in(sram3_rw_out),
.sram4_rw_in(sram4_rw_out),
.sram5_rw_in(sram5_rw_out),
.sram0_connections(sram0_connections),
.sram1_connections(sram1_connections),
.sram2_connections(sram2_connections),
.sram3_connections(sram3_connections),
.sram4_connections(sram4_connections),
.sram5_connections(sram5_connections),
.la_data(la_data_out[63:0]),
.gpio_data(io_out[1])
);
sky130_sram_1kbyte_1rw1r_32x256_8 SRAM0
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram0_connections[55]),
.csb0 (sram0_connections[54]),
.web0 (sram0_connections[53]),
.wmask0 (sram0_connections[52:49]),
.addr0 (sram0_connections[48:41]),
.din0 (sram0_connections[40:9]),
.dout0 (sram0_rw_out),
.clk1 (sram0_connections[55]),
.csb1 (sram0_connections[8]),
.addr1 (sram0_connections[7:0]),
.dout1 (sram0_ro_out));
sky130_sram_1kbyte_1rw1r_32x256_8 SRAM1
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram1_connections[55]),
.csb0 (sram1_connections[54]),
.web0 (sram1_connections[53]),
.wmask0 (sram1_connections[52:49]),
.addr0 (sram1_connections[48:41]),
.din0 (sram1_connections[40:9]),
.dout0 (sram1_rw_out),
.clk1 (sram1_connections[55]),
.csb1 (sram1_connections[8]),
.addr1 (sram1_connections[7:0]),
.dout1 (sram1_ro_out));
sram_1rw0r0w_32_1024_sky130 SRAM2
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram2_connections[48]),
.csb0 (sram2_connections[47]),
.web0 (sram2_connections[46]),
.wmask0 (sram2_connections[45:42]),
.addr0 (sram2_connections[41:32]),
.din0 (sram2_connections[31:0]),
.dout0 (sram2_rw_out));
sram_1rw0r0w_32_256_sky130 SRAM3
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram3_connections[46]),
.csb0 (sram3_connections[45]),
.web0 (sram3_connections[44]),
.wmask0 (sram3_connections[43:40]),
.addr0 (sram3_connections[39:32]),
.din0 (sram3_connections[31:0]),
.dout0 (sram3_rw_out));
sram_1rw0r0w_32_512_sky130 SRAM4
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram4_connections[47]),
.csb0 (sram4_connections[46]),
.web0 (sram4_connections[45]),
.wmask0 (sram4_connections[44:41]),
.addr0 (sram4_connections[40:32]),
.din0 (sram4_connections[31:0]),
.dout0 (sram4_rw_out));
sram_1rw0r0w_64_512_sky130 SRAM5
(
`ifdef USE_POWER_PINS
.vccd1(vccd1),
.vssd1(vssd1),
`endif
.clk0 (sram5_connections[83]),
.csb0 (sram5_connections[82]),
.web0 (sram5_connections[81]),
.wmask0 (sram5_connections[80:73]),
.addr0 (sram5_connections[72:64]),
.din0 (sram5_connections[63:0]),
.dout0 (sram5_rw_out));
endmodule // user_project_wrapper
`default_nettype wire