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robfinch |
// ============================================================================
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// __
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// \\__/ o\ (C) 2015-2022 Robert Finch, Waterloo
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// \ __ / All rights reserved.
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// \/_// robfinch@finitron.ca
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// ||
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//
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// BSD 3-Clause License
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ============================================================================
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//
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package mpmc8_pkg;
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parameter RMW = 0;
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parameter NAR = 2;
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parameter AMSB = 28;
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parameter TRUE = 1'b1;
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parameter FALSE = 1'b0;
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parameter CMD_READ = 3'b001;
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parameter CMD_WRITE = 3'b000;
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// State machine states
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parameter IDLE = 4'd0;
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parameter PRESET1 = 4'd1;
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parameter PRESET2 = 4'd2;
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parameter WRITE_DATA0 = 4'd3;
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parameter WRITE_DATA1 = 4'd4;
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parameter WRITE_DATA2 = 4'd5;
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parameter WRITE_DATA3 = 4'd7;
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parameter READ_DATA0 = 4'd8;
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parameter READ_DATA1 = 4'd9;
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parameter READ_DATA2 = 4'd10;
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parameter WAIT_NACK = 4'd11;
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parameter WRITE_TRAMP = 4'd12; // write trampoline
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parameter WRITE_TRAMP1 = 4'd13;
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parameter PRESET3 = 4'd14;
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endpackage
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