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olivier.gi |
/*===========================================================================*/
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/* Copyright (C) 2001 Authors */
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/* */
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/* This source file may be used and distributed without restriction provided */
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/* that this copyright statement is not removed from the file and that any */
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/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
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/* */
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/* This source file is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU Lesser General Public License as published */
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/* by the Free Software Foundation; either version 2.1 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This source is distributed in the hope that it will be useful, but WITHOUT*/
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public License */
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/* along with this source; if not, write to the Free Software Foundation, */
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/*===========================================================================*/
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202 |
olivier.gi |
/* CPU OPERATING MODES (FPGA VERSION) */
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2 |
olivier.gi |
/*---------------------------------------------------------------------------*/
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/* Test the CPU Operating modes: */
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/* - CPUOFF (<=> R2[4]): turn off CPU. */
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/* - OSCOFF (<=> R2[5]): turn off LFXT_CLK. */
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/* - SCG1 (<=> R2[7]): turn off SMCLK. */
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18 |
olivier.gi |
/* */
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/* Author(s): */
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/* - Olivier Girard, olgirard@gmail.com */
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/* */
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/*---------------------------------------------------------------------------*/
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olivier.gi |
/* $Rev: 202 $ */
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/* $LastChangedBy: olivier.girard $ */
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/* $LastChangedDate: 2015-07-01 23:13:32 +0200 (Wed, 01 Jul 2015) $ */
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2 |
olivier.gi |
/*===========================================================================*/
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integer smclk_cnt;
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always @(negedge mclk)
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if (smclk_en) smclk_cnt <= smclk_cnt+1;
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integer aclk_cnt;
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always @(negedge mclk)
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if (aclk_en) aclk_cnt <= aclk_cnt+1;
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integer inst_cnt;
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always @(inst_number)
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inst_cnt = inst_cnt+1;
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initial
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begin
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$display(" ===============================================");
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$display("| START SIMULATION |");
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$display(" ===============================================");
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repeat(5) @(posedge mclk);
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stimulus_done = 0;
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180 |
olivier.gi |
`ifdef ASIC_CLOCKING
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202 |
olivier.gi |
tb_skip_finish("| (this test is not supported in ASIC mode) |");
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134 |
olivier.gi |
`else
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2 |
olivier.gi |
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// SCG1 (<=> R2[7]): turn off SMCLK
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//--------------------------------------------------------
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@(r15==16'h1001);
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smclk_cnt = 0;
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repeat (84) @(posedge mclk);
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if (smclk_cnt !== 16'h000a) tb_error("====== SCG1 TEST 1: SMCLK IS NOT RUNNING =====");
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@(r15==16'h1002);
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smclk_cnt = 0;
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repeat (84) @(posedge mclk);
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if (smclk_cnt !== 16'h0000) tb_error("====== SCG1 TEST 2: SMCLK IS NOT STOPPED =====");
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@(r15==16'h1003);
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p1_din[0] = 1'b1;
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repeat (2) @(posedge mclk);
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p1_din[0] = 1'b0;
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smclk_cnt = 0;
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repeat (84) @(posedge mclk);
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if (smclk_cnt !== 16'h000a) tb_error("====== SCG1 TEST 3: SMCLK IS NOT RUNNING DURING IRQ =====");
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@(r15==16'h1004);
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smclk_cnt = 0;
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repeat (84) @(posedge mclk);
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if (smclk_cnt !== 16'h0000) tb_error("====== SCG1 TEST 4: SMCLK IS NOT STOPPED =====");
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202 |
olivier.gi |
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2 |
olivier.gi |
@(r15==16'h1005);
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smclk_cnt = 0;
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repeat (80) @(posedge mclk);
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if (smclk_cnt !== 16'h000a) tb_error("====== SCG1 TEST 5: SMCLK IS NOT RUNNING =====");
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202 |
olivier.gi |
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2 |
olivier.gi |
// OSCOFF (<=> R2[5]): turn off LFXT1CLK
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//--------------------------------------------------------
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@(r15==16'h2001);
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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if (aclk_cnt !== 16'h0004) tb_error("====== OSCOFF TEST 1: ACLK IS NOT RUNNING =====");
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if (smclk_cnt !== 16'h0068) tb_error("====== OSCOFF TEST 1: SMCLK IS NOT RUNNING ON MCLK =====");
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@(r15==16'h2002);
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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if (aclk_cnt !== 16'h0000) tb_error("====== OSCOFF TEST 2: ACLK IS NOT STOPPED =====");
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if (smclk_cnt !== 16'h0068) tb_error("====== OSCOFF TEST 2: SMCLK IS NOT RUNNING ON MCLK =====");
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@(r15==16'h2003);
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p1_din[0] = 1'b1;
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repeat (2) @(posedge mclk);
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p1_din[0] = 1'b0;
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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if (aclk_cnt !== 16'h0003) tb_error("====== OSCOFF TEST 3: ACLK IS NOT RUNNING DURING IRQ =====");
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if (smclk_cnt !== 16'h0068) tb_error("====== OSCOFF TEST 3: SMCLK IS NOT RUNNING ON MCLK =====");
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| 123 |
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@(r15==16'h2004);
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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if (aclk_cnt !== 16'h0000) tb_error("====== OSCOFF TEST 4: ACLK IS NOT STOPPED =====");
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if (smclk_cnt !== 16'h0068) tb_error("====== OSCOFF TEST 4: SMCLK IS NOT RUNNING ON MCLK =====");
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| 129 |
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@(r15==16'h2005);
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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202 |
olivier.gi |
if (aclk_cnt !== 16'h0000) tb_error("====== OSCOFF TEST 5: ACLK IS NOT STOPPED =====");
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if (smclk_cnt !== 16'h0000) tb_error("====== OSCOFF TEST 5: SMCLK IS NOT STOPPED =====");
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2 |
olivier.gi |
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@(r15==16'h2006);
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aclk_cnt = 0;
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smclk_cnt = 0;
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repeat (104) @(posedge mclk);
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if (aclk_cnt !== 16'h0003) tb_error("====== OSCOFF TEST 6: ACLK IS NOT RUNNING =====");
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if (smclk_cnt !== 16'h0068) tb_error("====== OSCOFF TEST 6: SMCLK IS NOT RUNNING ON MCLK =====");
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| 144 |
202 |
olivier.gi |
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2 |
olivier.gi |
// CPUOFF (<=> R2[4]): turn off CPU
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//--------------------------------------------------------
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@(r15==16'h3001);
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@(negedge mclk);
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inst_cnt = 0;
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repeat (80) @(negedge mclk);
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95 |
olivier.gi |
if (inst_cnt <= 16'h0030) tb_error("====== CPUOFF TEST 1: CPU IS NOT RUNNING =====");
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2 |
olivier.gi |
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@(r15==16'h3002);
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repeat (3) @(negedge mclk);
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inst_cnt = 0;
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| 157 |
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repeat (80) @(negedge mclk);
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if (inst_cnt !== 16'h0000) tb_error("====== CPUOFF TEST 2: CPU IS NOT STOPPED =====");
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| 159 |
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@(posedge mclk);
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p1_din[0] = 1'b1;
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| 162 |
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repeat (2) @(posedge mclk);
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p1_din[0] = 1'b0;
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@(negedge mclk);
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inst_cnt = 0;
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repeat (80) @(negedge mclk);
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| 167 |
95 |
olivier.gi |
if (inst_cnt <= 16'h0025) tb_error("====== CPUOFF TEST 3: CPU IS NOT RUNNING DURING IRQ (PORT 1) =====");
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202 |
olivier.gi |
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111 |
olivier.gi |
@(r1==(`PER_SIZE+16'h0050));
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2 |
olivier.gi |
repeat (3) @(negedge mclk);
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| 171 |
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inst_cnt = 0;
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| 172 |
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repeat (80) @(negedge mclk);
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| 173 |
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if (inst_cnt !== 16'h0000) tb_error("====== CPUOFF TEST 4: CPU IS NOT STOPPED AFTER IRQ =====");
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| 174 |
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@(posedge mclk);
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| 176 |
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p2_din[0] = 1'b1;
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| 177 |
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repeat (2) @(posedge mclk);
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| 178 |
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p2_din[0] = 1'b0;
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| 179 |
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@(negedge mclk);
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| 180 |
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inst_cnt = 0;
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| 181 |
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repeat (80) @(negedge mclk);
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| 182 |
95 |
olivier.gi |
if (inst_cnt <= 16'h0025) tb_error("====== CPUOFF TEST 5: CPU IS NOT RUNNING DURING IRQ (PORT 2) =====");
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| 183 |
2 |
olivier.gi |
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| 184 |
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@(r15==16'h3003);
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| 185 |
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@(negedge mclk);
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| 186 |
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inst_cnt = 0;
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| 187 |
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repeat (80) @(negedge mclk);
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| 188 |
95 |
olivier.gi |
if (inst_cnt <= 16'h0030) tb_error("====== CPUOFF TEST 6: CPU IS NOT RUNNING =====");
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| 189 |
2 |
olivier.gi |
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| 190 |
202 |
olivier.gi |
// DMA_SCG1
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//--------------------------------------------------------
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| 192 |
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`ifdef DMA_IF_EN
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| 193 |
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@(r15==16'h4001);
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| 194 |
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dma_en = 1'b1;
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| 195 |
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aclk_cnt = 0;
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| 196 |
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smclk_cnt = 0;
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| 197 |
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repeat (104) @(posedge mclk);
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| 198 |
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dma_en = 1'b0;
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| 199 |
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if (aclk_cnt !== 16'h0004) tb_error("====== DMA_SCG1 TEST 1: ACLK IS NOT RUNNING =====");
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| 200 |
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if (smclk_cnt !== 16'h0000) tb_error("====== DMA_SCG1 TEST 1: SMCLK IS RUNNING =====");
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| 201 |
134 |
olivier.gi |
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| 202 |
202 |
olivier.gi |
@(r15==16'h4002);
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| 203 |
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dma_en = 1'b1;
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| 204 |
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aclk_cnt = 0;
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| 205 |
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smclk_cnt = 0;
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| 206 |
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repeat (104) @(posedge mclk);
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| 207 |
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dma_en = 1'b0;
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| 208 |
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if (aclk_cnt !== 16'h0003) tb_error("====== DMA_SCG1 TEST 2: ACLK IS NOT RUNNING =====");
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| 209 |
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if (smclk_cnt !== 16'h0000) tb_error("====== DMA_SCG1 TEST 2: SMCLK IS RUNNING =====");
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| 210 |
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| 211 |
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@(r15==16'h4003);
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| 212 |
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dma_en = 1'b1;
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| 213 |
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aclk_cnt = 0;
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| 214 |
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smclk_cnt = 0;
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| 215 |
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repeat (104) @(posedge mclk);
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| 216 |
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dma_en = 1'b0;
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| 217 |
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if (aclk_cnt !== 16'h0003) tb_error("====== DMA_SCG1 TEST 3: ACLK IS NOT RUNNING =====");
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| 218 |
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_SCG1 TEST 3: SMCLK IS NOT RUNNING =====");
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| 219 |
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| 220 |
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@(r15==16'h4004);
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| 221 |
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dma_en = 1'b1;
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| 222 |
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aclk_cnt = 0;
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| 223 |
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smclk_cnt = 0;
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| 224 |
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repeat (104) @(posedge mclk);
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| 225 |
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dma_en = 1'b0;
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| 226 |
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if (aclk_cnt !== 16'h0004) tb_error("====== DMA_SCG1 TEST 4: ACLK IS NOT RUNNING =====");
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| 227 |
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_SCG1 TEST 4: SMCLK IS NOT RUNNING =====");
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| 228 |
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| 229 |
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@(r15==16'h4005);
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| 230 |
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dma_en = 1'b1;
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| 231 |
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aclk_cnt = 0;
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| 232 |
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smclk_cnt = 0;
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| 233 |
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repeat (104) @(posedge mclk);
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| 234 |
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dma_en = 1'b0;
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| 235 |
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if (aclk_cnt !== 16'h0003) tb_error("====== DMA_SCG1 TEST 5: ACLK IS NOT RUNNING =====");
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| 236 |
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if (smclk_cnt !== 16'h0000) tb_error("====== DMA_SCG1 TEST 5: SMCLK IS RUNNING =====");
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| 237 |
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| 238 |
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@(r15==16'h4006);
|
| 239 |
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dma_en = 1'b1;
|
| 240 |
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aclk_cnt = 0;
|
| 241 |
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smclk_cnt = 0;
|
| 242 |
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repeat (104) @(posedge mclk);
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| 243 |
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dma_en = 1'b0;
|
| 244 |
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if (aclk_cnt !== 16'h0003) tb_error("====== DMA_SCG1 TEST 6: ACLK IS NOT RUNNING =====");
|
| 245 |
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_SCG1 TEST 6: SMCLK IS NOT RUNNING =====");
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| 246 |
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`endif
|
| 247 |
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| 248 |
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@(r15==16'h5000);
|
| 249 |
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| 250 |
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// DMA_OSCOFF
|
| 251 |
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//--------------------------------------------------------
|
| 252 |
|
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`ifdef DMA_IF_EN
|
| 253 |
|
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@(r15==16'h5001);
|
| 254 |
|
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dma_en = 1'b1;
|
| 255 |
|
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aclk_cnt = 0;
|
| 256 |
|
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smclk_cnt = 0;
|
| 257 |
|
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repeat (104) @(posedge mclk);
|
| 258 |
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dma_en = 1'b0;
|
| 259 |
|
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if (aclk_cnt !== 16'h0000) tb_error("====== DMA_OSCOFF TEST 1: ACLK IS RUNNING =====");
|
| 260 |
|
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 1: SMCLK IS RUNNING =====");
|
| 261 |
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| 262 |
|
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@(r15==16'h5002);
|
| 263 |
|
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dma_en = 1'b1;
|
| 264 |
|
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aclk_cnt = 0;
|
| 265 |
|
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smclk_cnt = 0;
|
| 266 |
|
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repeat (104) @(posedge mclk);
|
| 267 |
|
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dma_en = 1'b0;
|
| 268 |
|
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if (aclk_cnt !== 16'h0004) tb_error("====== DMA_OSCOFF TEST 2: ACLK IS NOT RUNNING =====");
|
| 269 |
|
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 2: SMCLK IS NOT RUNNING =====");
|
| 270 |
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| 271 |
|
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@(r15==16'h5003);
|
| 272 |
|
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dma_en = 1'b1;
|
| 273 |
|
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aclk_cnt = 0;
|
| 274 |
|
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smclk_cnt = 0;
|
| 275 |
|
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repeat (104) @(posedge mclk);
|
| 276 |
|
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dma_en = 1'b0;
|
| 277 |
|
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if (aclk_cnt !== 16'h0000) tb_error("====== DMA_OSCOFF TEST 3: ACLK IS RUNNING =====");
|
| 278 |
|
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 3: SMCLK IS NOT RUNNING =====");
|
| 279 |
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|
|
| 280 |
|
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@(r15==16'h5004);
|
| 281 |
|
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dma_en = 1'b1;
|
| 282 |
|
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aclk_cnt = 0;
|
| 283 |
|
|
smclk_cnt = 0;
|
| 284 |
|
|
repeat (104) @(posedge mclk);
|
| 285 |
|
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dma_en = 1'b0;
|
| 286 |
|
|
if (aclk_cnt !== 16'h0003) tb_error("====== DMA_OSCOFF TEST 4: ACLK IS NOT RUNNING =====");
|
| 287 |
|
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if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 4: SMCLK IS NOT RUNNING =====");
|
| 288 |
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|
| 289 |
|
|
@(r15==16'h5005);
|
| 290 |
|
|
dma_en = 1'b1;
|
| 291 |
|
|
aclk_cnt = 0;
|
| 292 |
|
|
smclk_cnt = 0;
|
| 293 |
|
|
repeat (104) @(posedge mclk);
|
| 294 |
|
|
dma_en = 1'b0;
|
| 295 |
|
|
if (aclk_cnt !== 16'h0000) tb_error("====== DMA_OSCOFF TEST 5: ACLK IS RUNNING =====");
|
| 296 |
|
|
if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 5: SMCLK IS NOT RUNNING =====");
|
| 297 |
|
|
|
| 298 |
|
|
@(r15==16'h5006);
|
| 299 |
|
|
dma_en = 1'b1;
|
| 300 |
|
|
aclk_cnt = 0;
|
| 301 |
|
|
smclk_cnt = 0;
|
| 302 |
|
|
repeat (104) @(posedge mclk);
|
| 303 |
|
|
dma_en = 1'b0;
|
| 304 |
|
|
if (aclk_cnt !== 16'h0003) tb_error("====== DMA_OSCOFF TEST 6: ACLK IS NOT RUNNING =====");
|
| 305 |
|
|
if (smclk_cnt !== 16'h000D) tb_error("====== DMA_OSCOFF TEST 6: SMCLK IS NOT RUNNING =====");
|
| 306 |
|
|
`endif
|
| 307 |
|
|
|
| 308 |
|
|
@(r15==16'h6000);
|
| 309 |
|
|
`endif
|
| 310 |
|
|
|
| 311 |
2 |
olivier.gi |
stimulus_done = 1;
|
| 312 |
|
|
end
|