caravel/verilog/rtl/defines.v

67 lines
2.2 KiB
Verilog

// 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
`ifndef __GLOBAL_DEFINE_H
// Global parameters
`define __GLOBAL_DEFINE_H
`define MPRJ_IO_PADS_1 19 /* number of user GPIO pads on user1 side */
`define MPRJ_IO_PADS_2 19 /* number of user GPIO pads on user2 side */
`define MPRJ_IO_PADS (`MPRJ_IO_PADS_1 + `MPRJ_IO_PADS_2)
`define MPRJ_PWR_PADS_1 2 /* vdda1, vccd1 enable/disable control */
`define MPRJ_PWR_PADS_2 2 /* vdda2, vccd2 enable/disable control */
`define MPRJ_PWR_PADS (`MPRJ_PWR_PADS_1 + `MPRJ_PWR_PADS_2)
// Analog pads are only used by the "caravan" module and associated
// modules such as user_analog_project_wrapper and chip_io_alt.
`define ANALOG_PADS_1 5
`define ANALOG_PADS_2 6
`define ANALOG_PADS (`ANALOG_PADS_1 + `ANALOG_PADS_2)
// Size of soc_mem_synth
// Type and size of soc_mem
// `define USE_OPENRAM
`define USE_CUSTOM_DFFRAM
// don't change the following without double checking addr widths
`define MEM_WORDS 256
// Number of columns in the custom memory; takes one of three values:
// 1 column : 1 KB, 2 column: 2 KB, 4 column: 4KB
`define DFFRAM_WSIZE 4
`define DFFRAM_USE_LATCH 0
// not really parameterized but just to easily keep track of the number
// of ram_block across different modules
`define RAM_BLOCKS 1
// Clock divisor default value
`define CLK_DIV 3'b010
// GPIO control default mode and enable for most I/Os
// Most I/Os set to be user input pins on startup.
// NOTE: To be modified, with GPIOs 5 to 35 being set from a build-time-
// programmable block.
`define MGMT_INIT 1'b0
`define OENB_INIT 1'b0
`define DM_INIT 3'b001
`endif // __GLOBAL_DEFINE_H