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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [cpu_startup_asic.v] - Rev 202
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/*===========================================================================*/ /* Copyright (C) 2001 Authors */ /* */ /* This source file may be used and distributed without restriction provided */ /* that this copyright statement is not removed from the file and that any */ /* derivative work contains the original copyright notice and the associated */ /* disclaimer. */ /* */ /* This source file is free software; you can redistribute it and/or modify */ /* it under the terms of the GNU Lesser General Public License as published */ /* by the Free Software Foundation; either version 2.1 of the License, or */ /* (at your option) any later version. */ /* */ /* This source is distributed in the hope that it will be useful, but WITHOUT*/ /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ /* License for more details. */ /* */ /* You should have received a copy of the GNU Lesser General Public License */ /* along with this source; if not, write to the Free Software Foundation, */ /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* */ /*===========================================================================*/ /* CPU STARTUP */ /*---------------------------------------------------------------------------*/ /* Test the CPU startup in ASIC mode: */ /* - Check the CPU startup depending on the */ /* CPU_EN / DBG_EN / RESET_N signal. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 19 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */ /*===========================================================================*/ `define LONG_TIMEOUT integer dco_clk_cnt; always @(negedge dco_clk) dco_clk_cnt <= dco_clk_cnt+1; integer mclk_cnt; always @(negedge mclk) mclk_cnt <= mclk_cnt+1; integer smclk_cnt; always @(negedge smclk) smclk_cnt <= smclk_cnt+1; integer aclk_cnt; always @(negedge aclk) aclk_cnt <= aclk_cnt+1; integer inst_cnt; always @(inst_number) inst_cnt = inst_cnt+1; integer test_nr; initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); repeat(5) @(posedge mclk); stimulus_done = 0; `ifdef ASIC_CLOCKING // #### CPU_EN=0 #### DBG_EN=0 #### RESET_N=0 #### // test_nr = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 0) tb_error("====== 0/0/0 TEST 1: DCO_CLK IS RUNNING ====="); if (dco_enable !== 0) tb_error("====== 0/0/0 TEST 2: DCO_ENABLE IS SET ====="); if (dco_wkup !== 0) tb_error("====== 0/0/0 TEST 3: DCO_WKUP IS SET ====="); if (mclk_cnt !== 0) tb_error("====== 0/0/0 TEST 4: MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 0/0/0 TEST 5: SMCLK IS RUNNING ====="); `ifdef OSCOFF_EN if (aclk_cnt !== 0) tb_error("====== 0/0/0 TEST 6: ACLK IS RUNNING ====="); if (lfxt_enable !== 0) tb_error("====== 0/0/0 TEST 7: LFXT_ENABLE IS SET ====="); if (lfxt_wkup !== 0) tb_error("====== 0/0/0 TEST 8: LFXT_WKUP IS SET ====="); `else `ifdef LFXT_DOMAIN `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 0/0/0 TEST 6: ACLK IS NOT RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 0/0/0 TEST 6: ACLK IS RUNNING ====="); `endif `else if (aclk_cnt !== 0) tb_error("====== 0/0/0 TEST 6: ACLK IS RUNNING ====="); `endif if (lfxt_enable !== 1) tb_error("====== 0/0/0 TEST 7: LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 0/0/0 TEST 8: LFXT_WKUP IS SET ====="); `endif if (inst_cnt !== 0) tb_error("====== 0/0/0 TEST 9: CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=0 #### DBG_EN=0 #### RESET_N=1 #### // test_nr = 1; cpu_en = 0; dbg_en = 0; reset_n = 1; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 0) tb_error("====== 0/0/1 TEST 1: DCO_CLK IS RUNNING ====="); if (dco_enable !== 0) tb_error("====== 0/0/1 TEST 2: DCO_ENABLE IS SET ====="); if (dco_wkup !== 0) tb_error("====== 0/0/1 TEST 3: DCO_WKUP IS SET ====="); if (mclk_cnt !== 0) tb_error("====== 0/0/1 TEST 4: MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 0/0/1 TEST 5: SMCLK IS RUNNING ====="); if (inst_cnt !== 0) tb_error("====== 0/0/1 TEST 6: CPU IS EXECUTING ====="); `ifdef OSCOFF_EN if (aclk_cnt !== 0) tb_error("====== 0/0/1 TEST 7: ACLK IS RUNNING ====="); if (lfxt_enable !== 0) tb_error("====== 0/0/1 TEST 8: LFXT_ENABLE IS SET ====="); if (lfxt_wkup !== 0) tb_error("====== 0/0/1 TEST 9: LFXT_WKUP IS SET ====="); `else `ifdef LFXT_DOMAIN `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 0/0/1 TEST 7: ACLK IS NOT RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 0/0/1 TEST 7: ACLK IS RUNNING ====="); `endif `else if (aclk_cnt !== 0) tb_error("====== 0/0/1 TEST 7: ACLK IS RUNNING ====="); `endif if (lfxt_enable !== 1) tb_error("====== 0/0/1 TEST 8: LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 0/0/1 TEST 9: LFXT_WKUP IS SET ====="); `endif dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=0 #### DBG_EN=1 #### RESET_N=0 #### // test_nr = 2; cpu_en = 0; dbg_en = 1; reset_n = 0; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 0) tb_error("====== 0/1/0 TEST 1: DCO_CLK IS RUNNING ====="); if (dco_enable !== 0) tb_error("====== 0/1/0 TEST 2: DCO_ENABLE IS SET ====="); if (dco_wkup !== 0) tb_error("====== 0/1/0 TEST 3: DCO_WKUP IS SET ====="); if (mclk_cnt !== 0) tb_error("====== 0/1/0 TEST 4: MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 0/1/0 TEST 5: SMCLK IS RUNNING ====="); if (inst_cnt !== 0) tb_error("====== 0/1/0 TEST 6: CPU IS EXECUTING ====="); `ifdef OSCOFF_EN if (aclk_cnt !== 0) tb_error("====== 0/1/0 TEST 7: ACLK IS RUNNING ====="); if (lfxt_enable !== 0) tb_error("====== 0/1/0 TEST 8: LFXT_ENABLE IS SET ====="); if (lfxt_wkup !== 0) tb_error("====== 0/1/0 TEST 9: LFXT_WKUP IS SET ====="); `else `ifdef LFXT_DOMAIN `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 0/1/0 TEST 7: ACLK IS NOT RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 0/1/0 TEST 7: ACLK IS NOT RUNNING ====="); `endif `else if (aclk_cnt !== 0) tb_error("====== 0/1/0 TEST 7: ACLK IS RUNNING ====="); `endif if (lfxt_enable !== 1) tb_error("====== 0/1/0 TEST 8: LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 0/1/0 TEST 9: LFXT_WKUP IS SET ====="); `endif dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=0 #### RESET_N=0 #### // test_nr = 3; cpu_en = 1; dbg_en = 0; reset_n = 0; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/0/0 TEST 1: DCO_CLK IS NOT RUNNING ====="); if (dco_enable !== 0) tb_error("====== 1/0/0 TEST 2: DCO_ENABLE IS SET ====="); if (dco_wkup !== 1) tb_error("====== 1/0/0 TEST 3: DCO_WKUP IS CLEARED ====="); `ifdef SYNC_CPU_EN if (mclk_cnt !== 0) tb_error("====== 1/0/0 TEST 4: MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 1/0/0 TEST 5: SMCLK IS RUNNING ====="); `else if (mclk_cnt !== 100) tb_error("====== 1/0/0 TEST 4: MCLK IS NOT RUNNING ====="); `ifdef SMCLK_MUX if (smclk_cnt !== 0) tb_error("====== 1/0/0 TEST 5: SMCLK IS NOT RUNNING ====="); `else if (smclk_cnt !== 100) tb_error("====== 1/0/0 TEST 5: SMCLK IS NOT RUNNING ====="); `endif `endif if (inst_cnt !== 0) tb_error("====== 1/0/0 TEST 6: CPU IS EXECUTING ====="); `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 1/0/0 TEST 7: ACLK IS RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 1/0/0 TEST 7: ACLK IS NOT RUNNING ====="); `endif `ifdef OSCOFF_EN if (lfxt_enable !== 0) tb_error("====== 1/0/0 TEST 8: LFXT_ENABLE IS SET ====="); if (lfxt_wkup !== 1) tb_error("====== 1/0/0 TEST 9: LFXT_WKUP IS CLEARED ====="); `else if (lfxt_enable !== 1) tb_error("====== 1/0/0 TEST 8: LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/0/0 TEST 9: LFXT_WKUP IS SET ====="); `endif dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=0 #### // test_nr = 4; cpu_en = 1; dbg_en = 1; reset_n = 0; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/0 TEST 1 (simultaneous): DCO_CLK IS NOT RUNNING ====="); if (dco_enable !== 0) tb_error("====== 1/1/0 TEST 2 (simultaneous): DCO_ENABLE IS SET ====="); if (dco_wkup !== 1) tb_error("====== 1/1/0 TEST 3 (simultaneous): DCO_WKUP IS CLEARED ====="); `ifdef SYNC_CPU_EN if (mclk_cnt !== 0) tb_error("====== 1/1/0 TEST 4 (simultaneous): MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 1/1/0 TEST 5 (simultaneous): SMCLK IS RUNNING ====="); `else if (mclk_cnt !== 100) tb_error("====== 1/1/0 TEST 4 (simultaneous): MCLK IS NOT RUNNING ====="); `ifdef SMCLK_MUX if (smclk_cnt !== 0) tb_error("====== 1/1/0 TEST 5 (simultaneous): SMCLK IS NOT RUNNING ====="); `else if (smclk_cnt !== 100) tb_error("====== 1/1/0 TEST 5 (simultaneous): SMCLK IS NOT RUNNING ====="); `endif `endif if (inst_cnt !== 0) tb_error("====== 1/1/0 TEST 6 (simultaneous): CPU IS EXECUTING ====="); `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 1/1/0 TEST 7 (simultaneous): ACLK IS RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 1/1/0 TEST 7 (simultaneous): ACLK IS NOT RUNNING ====="); `endif `ifdef OSCOFF_EN if (lfxt_enable !== 0) tb_error("====== 1/1/0 TEST 8 (simultaneous): LFXT_ENABLE IS SET ====="); if (lfxt_wkup !== 1) tb_error("====== 1/1/0 TEST 9 (simultaneous): LFXT_WKUP IS CLEARED ====="); `else if (lfxt_enable !== 1) tb_error("====== 1/1/0 TEST 8 (simultaneous): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/0 TEST 9 (simultaneous): LFXT_WKUP IS SET ====="); `endif dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=0 #### RESET_N=1 #### // test_nr = 5; cpu_en = 1; dbg_en = 0; reset_n = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/0/1 TEST 1 (simultaneous): DCO_CLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/0/1 TEST 2 (simultaneous): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/0/1 TEST 3 (simultaneous): DCO_WKUP IS SET ====="); if (mclk_cnt !== 100) tb_error("====== 1/0/1 TEST 4 (simultaneous): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/0/1 TEST 5 (simultaneous): SMCLK IS NOT RUNNING ====="); if (inst_cnt === 0) tb_error("====== 1/0/1 TEST 6 (simultaneous): CPU IS NOT EXECUTING ====="); if (aclk_cnt < 3) tb_error("====== 1/0/1 TEST 7 (simultaneous): ACLK IS NOT RUNNING ====="); if (lfxt_enable !== 1) tb_error("====== 1/0/1 TEST 8 (simultaneous): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/0/1 TEST 9 (simultaneous): LFXT_WKUP IS SET ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=0 #### DBG_EN=1 #### RESET_N=1 #### // test_nr = 6; cpu_en = 0; dbg_en = 1; reset_n = 1; #(100*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 0) tb_error("====== 0/1/1 TEST 1 (simultaneous): DCO_CLK IS RUNNING ====="); if (dco_enable !== 0) tb_error("====== 0/1/1 TEST 2 (simultaneous): DCO_ENABLE IS SET ====="); if (dco_wkup !== 0) tb_error("====== 0/1/1 TEST 3 (simultaneous): DCO_WKUP IS SET ====="); if (mclk_cnt !== 0) tb_error("====== 0/1/1 TEST 4 (simultaneous): MCLK IS RUNNING ====="); if (smclk_cnt !== 0) tb_error("====== 0/1/1 TEST 5 (simultaneous): SMCLK IS RUNNING ====="); if (inst_cnt !== 0) tb_error("====== 0/1/1 TEST 6 (simultaneous): CPU IS EXECUTING ====="); `ifdef OSCOFF_EN if (aclk_cnt !== 0) tb_error("====== 0/1/1 TEST 7 (simultaneous): ACLK IS RUNNING ====="); if (lfxt_enable !== 0) tb_error("====== 0/1/1 TEST 8 (simultaneous): LFXT_ENABLE IS SET ====="); `else `ifdef LFXT_DOMAIN `ifdef ACLK_DIVIDER if (aclk_cnt !== 0) tb_error("====== 0/1/1 TEST 7 (simultaneous): ACLK IS NOT RUNNING ====="); `else if (aclk_cnt < 3) tb_error("====== 0/1/1 TEST 7 (simultaneous): ACLK IS NOT RUNNING ====="); `endif `else if (aclk_cnt !== 0) tb_error("====== 0/1/1 TEST 7 (simultaneous): ACLK IS RUNNING ====="); `endif if (lfxt_enable !== 1) tb_error("====== 0/1/1 TEST 8 (simultaneous): LFXT_ENABLE IS CLEARED ====="); `endif if (lfxt_wkup !== 0) tb_error("====== 0/1/1 TEST 9 (simultaneous): LFXT_WKUP IS SET ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### // test_nr = 7; cpu_en = 1; dbg_en = 1; reset_n = 1; #(150*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (simultaneous): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (simultaneous): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (simultaneous): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (simultaneous): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (simultaneous): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (simultaneous): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (simultaneous): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (simultaneous): LFXT_WKUP IS SET ====="); if (inst_cnt !== 0) tb_error("====== 1/1/1 TEST 9 (simultaneous): CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 1: RESET_N -> CPU_EN -> DBG_EN test_nr = 8; reset_n = 1; #(150*50); cpu_en = 1; #(150*50); dbg_en = 1; #(150*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 1): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 1): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 1): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 1): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 1): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 1): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 1): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 1): LFXT_WKUP IS SET ====="); if (inst_cnt === 0) tb_error("====== 1/1/1 TEST 9 (sequence 1): CPU IS NOT EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 2: RESET_N -> DBG_EN -> CPU_EN test_nr = 9; reset_n = 1; #(150*50); dbg_en = 1; #(150*50); cpu_en = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 2): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 2): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 2): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 2): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 2): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 2): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 2): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 2): LFXT_WKUP IS SET ====="); if (inst_cnt !== 0) tb_error("====== 1/1/1 TEST 9 (sequence 2): CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 3: DBG_EN -> RESET_N -> CPU_EN test_nr = 10; dbg_en = 1; #(150*50); reset_n = 1; #(150*50); cpu_en = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 3): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 3): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 3): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 3): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 3): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 3): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 3): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 3): LFXT_WKUP IS SET ====="); if (inst_cnt !== 0) tb_error("====== 1/1/1 TEST 9 (sequence 3): CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 4: DBG_EN -> CPU_EN -> RESET_N test_nr = 10; dbg_en = 1; #(150*50); cpu_en = 1; #(150*50); reset_n = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 4): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 4): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 4): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 4): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 4): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 4): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 4): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 4): LFXT_WKUP IS SET ====="); if (inst_cnt !== 0) tb_error("====== 1/1/1 TEST 9 (sequence 4): CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 5: CPU_EN -> DBG_EN -> RESET_N test_nr = 10; cpu_en = 1; #(150*50); dbg_en = 1; #(150*50); reset_n = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 5): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 5): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 5): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 5): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 5): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 5): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 5): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 5): LFXT_WKUP IS SET ====="); if (inst_cnt !== 0) tb_error("====== 1/1/1 TEST 9 (sequence 5): CPU IS EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; cpu_en = 0; dbg_en = 0; reset_n = 0; #(100*50); // #### CPU_EN=1 #### DBG_EN=1 #### RESET_N=1 #### SEQUENCE 6: CPU_EN -> RESET_N -> DBG_EN test_nr = 10; cpu_en = 1; #(150*50); reset_n = 1; #(150*50); dbg_en = 1; #(200*50); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); if (dco_clk_cnt !== 100) tb_error("====== 1/1/1 TEST 1 (sequence 6): DCO_CLK IS NOT RUNNING ====="); if (mclk_cnt !== 100) tb_error("====== 1/1/1 TEST 2 (sequence 6): MCLK IS NOT RUNNING ====="); if (smclk_cnt !== 100) tb_error("====== 1/1/1 TEST 3 (sequence 6): SMCLK IS NOT RUNNING ====="); if (aclk_cnt < 3) tb_error("====== 1/1/1 TEST 4 (sequence 6): ACLK IS NOT RUNNING ====="); if (dco_enable !== 1) tb_error("====== 1/1/1 TEST 5 (sequence 6): DCO_ENABLE IS CLEARED ====="); if (dco_wkup !== 0) tb_error("====== 1/1/1 TEST 6 (sequence 6): DCO_WKUP IS SET ====="); if (lfxt_enable !== 1) tb_error("====== 1/1/1 TEST 7 (sequence 6): LFXT_ENABLE IS CLEARED ====="); if (lfxt_wkup !== 0) tb_error("====== 1/1/1 TEST 8 (sequence 6): LFXT_WKUP IS SET ====="); if (inst_cnt === 0) tb_error("====== 1/1/1 TEST 9 (sequence 6): CPU IS NOT EXECUTING ====="); dco_clk_cnt = 0; mclk_cnt = 0; smclk_cnt = 0; aclk_cnt = 0; inst_cnt = 0; #(100*50); `else tb_skip_finish("| (this test is not supported in FPGA mode) |"); `endif stimulus_done = 1; end