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qaztronic |
------------------------------------------------------------------------------
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-- File name : testbench_640.vhd
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-------------------------------------------------------------------------------
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-- Copyright (C) 2003 AMD.
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--
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-- MODIFICATION HISTORY :
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--
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-- version: | author: | mod date: | changes made:
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-- V0.1 M.Marinkovic 11 July 03 Initial
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-- v0.2 M.Marinkovic 28 Aug 03 Changed protected sector selection
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--
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-------------------------------------------------------------------------------
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-- PART DESCRIPTION:
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--
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-- Description:
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-- Generic test enviroment for verification of AMD flash memory
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-- VITAL models.my_mem
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--
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-------------------------------------------------------------------------------
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-- Note: VHDL code formating not done
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-- For High/Low sector protection selection change:
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-- TimingModel constant and TimingModel generic value
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--
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-------------------------------------------------------------------------------
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LIBRARY IEEE;
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USE IEEE.std_logic_1164.ALL;
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--USE IEEE.VITAL_timing.ALL;
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--USE IEEE.VITAL_primitives.ALL;
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USE STD.textio.ALL;
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LIBRARY VITAL2000;
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USE VITAL2000.vital_timing.ALL;
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USE VITAL2000.vital_primitives.ALL;
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LIBRARY FMF;
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USE FMF.gen_utils.ALL;
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USE FMF.conversions.ALL;
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LIBRARY work;
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USE work.amd_tc_pkg.ALL;
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-------------------------------------------------------------------------------
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-- ENTITY DECLARATION
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-------------------------------------------------------------------------------
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ENTITY testbench_640 IS
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END testbench_640;
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-------------------------------------------------------------------------------
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-- ARCHITECTURE DECLARATION
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-------------------------------------------------------------------------------
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ARCHITECTURE vhdl_behavioral of testbench_640 IS
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COMPONENT my_mem
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GENERIC (
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-- tipd delays: interconnect path delays
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tipd_A0 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A1 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A2 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A3 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A4 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A5 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A6 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A7 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A8 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A9 : VitalDelayType01 := VitalZeroDelay01; --address
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tipd_A10 : VitalDelayType01 := VitalZeroDelay01; --lines
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tipd_A11 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A12 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A13 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A14 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A15 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A16 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A17 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A18 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A19 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A20 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_A21 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ0 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ1 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ2 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ3 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ4 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ5 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ6 : VitalDelayType01 := VitalZeroDelay01; -- data
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tipd_DQ7 : VitalDelayType01 := VitalZeroDelay01; -- lines
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tipd_DQ8 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ9 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ10 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ11 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ12 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ13 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ14 : VitalDelayType01 := VitalZeroDelay01; --
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tipd_DQ15 : VitalDelayType01 := VitalZeroDelay01; -- DQ15/A-1
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tipd_CENeg : VitalDelayType01 := VitalZeroDelay01;
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tipd_OENeg : VitalDelayType01 := VitalZeroDelay01;
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tipd_WENeg : VitalDelayType01 := VitalZeroDelay01;
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tipd_RESETNeg : VitalDelayType01 := VitalZeroDelay01;
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tipd_WPNeg : VitalDelayType01 := VitalZeroDelay01; --WP#/ACC
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tipd_BYTENeg : VitalDelayType01 := VitalZeroDelay01;
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-- tpd delays
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tpd_A0_DQ0 : VitalDelayType01 := UnitDelay01;--tACC
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tpd_A0_DQ1 : VitalDelayType01 := UnitDelay01;--tPACC
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tpd_CENeg_DQ0 : VitalDelayType01Z := UnitDelay01Z;
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--(tCE,tCE,tDF,-,tDF,-)
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tpd_OENeg_DQ0 : VitalDelayType01Z := UnitDelay01Z;
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--(tOE,tOE,tDF,-,tDF,-)
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tpd_RESETNeg_DQ0 : VitalDelayType01Z := UnitDelay01Z;
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--(-,-,0,-,0,-)
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tpd_CENeg_RY : VitalDelayType01 := UnitDelay01; --tBUSY
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tpd_WENeg_RY : VitalDelayType01 := UnitDelay01; --tBUSY
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--tsetup values
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tsetup_A0_CENeg : VitalDelayType := UnitDelay; --tAS edge \
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tsetup_A0_OENeg : VitalDelayType := UnitDelay; --tASO edge \
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tsetup_DQ0_CENeg : VitalDelayType := UnitDelay; --tDS edge /
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--thold values
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thold_CENeg_RESETNeg: VitalDelayType := UnitDelay; --tRH edge /
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thold_OENeg_WENeg : VitalDelayType := UnitDelay; --tOEH edge /
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thold_A0_CENeg : VitalDelayType := UnitDelay; --tAH edge \
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thold_A0_OENeg : VitalDelayType := UnitDelay; --tAHT edge \
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thold_DQ0_CENeg : VitalDelayType := UnitDelay; --tDH edge /
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thold_WENeg_OENeg : VitalDelayType := UnitDelay; --tGHWL edge /
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--tpw values: pulse width
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tpw_RESETNeg_negedge: VitalDelayType := UnitDelay; --tRP
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tpw_OENeg_posedge : VitalDelayType := UnitDelay; --tOEPH
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tpw_WENeg_negedge : VitalDelayType := UnitDelay; --tWP
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tpw_WENeg_posedge : VitalDelayType := UnitDelay; --tWPH
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tpw_CENeg_negedge : VitalDelayType := UnitDelay; --tCP
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tpw_CENeg_posedge : VitalDelayType := UnitDelay; --tCEPH
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tpw_A0_negedge : VitalDelayType := UnitDelay; --tWC tRC
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-- tdevice values: values for internal delays
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--Effective Write Buffer Program Operation tWHWH1
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tdevice_WBPB : VitalDelayType := 11 us;
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--Program Operation
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tdevice_POB : VitalDelayType := 100 us;
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--Sector Erase Operation tWHWH2
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tdevice_SEO : VitalDelayType := 500 ms;
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--Timing Limit Exceeded
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tdevice_HANG : VitalDelayType := 400 ms; --?
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--program/erase suspend timeout
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tdevice_START_T1 : VitalDelayType := 5 us;
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--sector erase command sequence timeout
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tdevice_CTMOUT : VitalDelayType := 50 us;
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--device ready after Hardware reset(during embeded algorithm)
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tdevice_READY : VitalDelayType := 20 us; --tReady
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-- generic control parameters
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InstancePath : STRING := DefaultInstancePath;
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TimingChecksOn : BOOLEAN := DefaultTimingChecks;
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MsgOn : BOOLEAN := DefaultMsgOn;
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XOn : BOOLEAN := DefaultXon;
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-- memory file to be loaded
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mem_file_name : STRING ;--:= "am29lv640m.mem";
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prot_file_name : STRING ;--:= "am29lv640m_prot.mem";
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secsi_file_name : STRING ;--:= "am29lv_secsi.mem";
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UserPreload : BOOLEAN ;--:= TRUE;
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LongTimming : BOOLEAN ;--:= TRUE;
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-- For FMF SDF technology file usage
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TimingModel : STRING --:= "AM29LV640MH90R"
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);
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PORT (
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A21 : IN std_logic := 'U'; --
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A20 : IN std_logic := 'U'; --
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A19 : IN std_logic := 'U'; --
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A18 : IN std_logic := 'U'; --
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A17 : IN std_logic := 'U'; --
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A16 : IN std_logic := 'U'; --
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A15 : IN std_logic := 'U'; --
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A14 : IN std_logic := 'U'; --
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A13 : IN std_logic := 'U'; --address
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A12 : IN std_logic := 'U'; --lines
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A11 : IN std_logic := 'U'; --
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A10 : IN std_logic := 'U'; --
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A9 : IN std_logic := 'U'; --
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A8 : IN std_logic := 'U'; --
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A7 : IN std_logic := 'U'; --
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A6 : IN std_logic := 'U'; --
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A5 : IN std_logic := 'U'; --
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A4 : IN std_logic := 'U'; --
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A3 : IN std_logic := 'U'; --
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A2 : IN std_logic := 'U'; --
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A1 : IN std_logic := 'U'; --
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A0 : IN std_logic := 'U'; --
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DQ15 : INOUT std_logic := 'U'; -- DQ15/A-1
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DQ14 : INOUT std_logic := 'U'; --
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DQ13 : INOUT std_logic := 'U'; --
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DQ12 : INOUT std_logic := 'U'; --
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DQ11 : INOUT std_logic := 'U'; --
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DQ10 : INOUT std_logic := 'U'; --
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DQ9 : INOUT std_logic := 'U'; -- data
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DQ8 : INOUT std_logic := 'U'; -- lines
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DQ7 : INOUT std_logic := 'U'; --
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DQ6 : INOUT std_logic := 'U'; --
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DQ5 : INOUT std_logic := 'U'; --
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DQ4 : INOUT std_logic := 'U'; --
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DQ3 : INOUT std_logic := 'U'; --
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DQ2 : INOUT std_logic := 'U'; --
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DQ1 : INOUT std_logic := 'U'; --
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DQ0 : INOUT std_logic := 'U'; --
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CENeg : IN std_logic := 'U';
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OENeg : IN std_logic := 'U';
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WENeg : IN std_logic := 'U';
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RESETNeg : IN std_logic := 'U';
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WPNeg : IN std_logic := 'U'; --WP#/ACC
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BYTENeg : IN std_logic := 'U';
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RY : OUT std_logic := 'U' --RY/BY#
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);
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END COMPONENT;
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FOR ALL: my_mem USE ENTITY WORK.my_mem(VHDL_BEHAVIORAL);
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---------------------------------------------------------------------------
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--memory configuration
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---------------------------------------------------------------------------
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CONSTANT MaxData : NATURAL := 16#FF#; --255;
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CONSTANT SecSize : NATURAL := 16#FFFF#; --65535
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CONSTANT SecSiSize : NATURAL := 255;
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CONSTANT SecNum : NATURAL := 127;
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CONSTANT HiAddrBit : NATURAL := 21;
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--Address of the Protected Sector
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-- CONSTANT ProtSecNum : NATURAL := SecNum;
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---------------------------------------------------------------------------
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--model configuration
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---------------------------------------------------------------------------
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CONSTANT mem_file : STRING := "am29lv640m.mem";
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CONSTANT prot_file : STRING := "am29lv640m_prot.mem";
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CONSTANT secsi_file : STRING := "am29lv_secsi.mem";
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CONSTANT UserPreload : boolean := TRUE;
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CONSTANT DebugInfo : boolean := FALSE;
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CONSTANT LongTimming : boolean := TRUE;
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21 |
qaztronic |
CONSTANT TimingModel : STRING := "MY_MEM";
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22 |
qaztronic |
-- "AM29LV640MH90R";--High sect prot.
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-- "AM29LV128ML93R";--Low sect. prot.
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---------------------------------------------------------------------------
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SIGNAL ProtSecNum : NATURAL := SecNum ;
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--Flash Memory Array
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TYPE SecType IS ARRAY (0 TO SecSize) OF
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INTEGER RANGE -1 TO MaxData;
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TYPE MemArray IS ARRAY (0 TO SecNum) OF
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SecType;
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--Common Flash Interface Query codes
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TYPE CFItype IS ARRAY (16#10# TO 16#50#) OF
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NATURAL RANGE 0 TO 16#FF#;
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--SecSi Sector
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TYPE SecSiType IS ARRAY ( 0 TO SecSiSize) OF
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INTEGER RANGE -1 TO MaxData;
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---------------------------------------------------------------------------
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-- memory declaration
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---------------------------------------------------------------------------
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-- -- Mem(SecAddr)(Address)....
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SHARED VARIABLE Mem : MemArray := (OTHERS => (OTHERS=> MaxData));
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SHARED VARIABLE CFI_array : CFItype :=(OTHERS=>0);
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SHARED VARIABLE SecSi : SecSiType :=(OTHERS=>0);
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--command sequence
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SHARED VARIABLE cmd_seq : cmd_seq_type;
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SIGNAL status : status_type := none;
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SIGNAL sts_check : std_logic_vector(7 downto 0);
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SIGNAL check_err : std_logic := '0';
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SIGNAL ErrorInTest : std_logic := '0'; --
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----------------------------------------------------------------------------
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--Personality module:
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--
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-- instanciates the DUT module and adapts generic test signals to it
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-- TBD: block port
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----------------------------------------------------------------------------
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--DUT port
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SIGNAL T_DQ : std_logic_vector(15 downto 0) := (OTHERS=>'U');
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SIGNAL T_A : std_logic_vector(HiAddrBit downto 0) := (OTHERS=>'U');
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SIGNAL T_RESETNeg : std_logic := 'U';
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SIGNAL T_CENeg : std_logic := 'U';
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SIGNAL T_WENeg : std_logic := 'U';
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SIGNAL T_OENeg : std_logic := 'U';
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SIGNAL T_WPNeg : std_logic := 'U';
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SIGNAL T_BYTENeg : std_logic := 'U';
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SIGNAL T_RY : std_logic := 'U';
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---------------------------------------------------------------------------
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|
|
--
|
| 302 |
|
|
---------------------------------------------------------------------------
|
| 303 |
|
|
--SecSi ProtectionStatus
|
| 304 |
|
|
SHARED VARIABLE FactoryProt : std_logic := '1';
|
| 305 |
|
|
--Sector Protection Status
|
| 306 |
|
|
SHARED VARIABLE Sec_Prot : std_logic_vector (SecNum downto 0) :=
|
| 307 |
|
|
(OTHERS => '0');
|
| 308 |
|
|
SHARED VARIABLE Sect : NATURAL RANGE 0 TO SecNum := 0;
|
| 309 |
|
|
SHARED VARIABLE Addr : NATURAL RANGE 0 TO SecSize := 0;
|
| 310 |
|
|
SHARED VARIABLE WriteData : NATURAL RANGE 0 TO MaxData := 0;
|
| 311 |
|
|
|
| 312 |
|
|
|
| 313 |
|
|
--CONSTANT
|
| 314 |
|
|
--timming parameters
|
| 315 |
|
|
CONSTANT RESETNeg_pw : time := 500 ns; --tRP
|
| 316 |
|
|
|
| 317 |
|
|
SIGNAL pwron : std_logic := '0';
|
| 318 |
|
|
|
| 319 |
|
|
SIGNAL Tseries : NATURAL;
|
| 320 |
|
|
SIGNAL Tcase : NATURAL;
|
| 321 |
|
|
|
| 322 |
|
|
SHARED VARIABLE ts_cnt : NATURAL RANGE 1 TO 30:=1; -- testseries counter
|
| 323 |
|
|
SHARED VARIABLE tc_cnt : NATURAL RANGE 0 TO 10:=0; -- testcase counter
|
| 324 |
|
|
|
| 325 |
|
|
|
| 326 |
|
|
BEGIN
|
| 327 |
|
|
DUT : my_mem
|
| 328 |
|
|
GENERIC MAP (
|
| 329 |
|
|
-- tipd delays: interconnect path delays
|
| 330 |
|
|
tipd_A0 => VitalZeroDelay01, --
|
| 331 |
|
|
tipd_A1 => VitalZeroDelay01, --
|
| 332 |
|
|
tipd_A2 => VitalZeroDelay01, --
|
| 333 |
|
|
tipd_A3 => VitalZeroDelay01, --
|
| 334 |
|
|
tipd_A4 => VitalZeroDelay01, --
|
| 335 |
|
|
tipd_A5 => VitalZeroDelay01, --
|
| 336 |
|
|
tipd_A6 => VitalZeroDelay01, --
|
| 337 |
|
|
tipd_A7 => VitalZeroDelay01, --
|
| 338 |
|
|
tipd_A8 => VitalZeroDelay01, --
|
| 339 |
|
|
tipd_A9 => VitalZeroDelay01, --address
|
| 340 |
|
|
tipd_A10 => VitalZeroDelay01, --lines
|
| 341 |
|
|
tipd_A11 => VitalZeroDelay01, --
|
| 342 |
|
|
tipd_A12 => VitalZeroDelay01, --
|
| 343 |
|
|
tipd_A13 => VitalZeroDelay01, --
|
| 344 |
|
|
tipd_A14 => VitalZeroDelay01, --
|
| 345 |
|
|
tipd_A15 => VitalZeroDelay01, --
|
| 346 |
|
|
tipd_A16 => VitalZeroDelay01, --
|
| 347 |
|
|
tipd_A17 => VitalZeroDelay01, --
|
| 348 |
|
|
tipd_A18 => VitalZeroDelay01, --
|
| 349 |
|
|
tipd_A19 => VitalZeroDelay01, --
|
| 350 |
|
|
tipd_A20 => VitalZeroDelay01, --
|
| 351 |
|
|
tipd_A21 => VitalZeroDelay01, --
|
| 352 |
|
|
|
| 353 |
|
|
tipd_DQ0 => VitalZeroDelay01, --
|
| 354 |
|
|
tipd_DQ1 => VitalZeroDelay01, --
|
| 355 |
|
|
tipd_DQ2 => VitalZeroDelay01, --
|
| 356 |
|
|
tipd_DQ3 => VitalZeroDelay01, --
|
| 357 |
|
|
tipd_DQ4 => VitalZeroDelay01, --
|
| 358 |
|
|
tipd_DQ5 => VitalZeroDelay01, --
|
| 359 |
|
|
tipd_DQ6 => VitalZeroDelay01, -- data
|
| 360 |
|
|
tipd_DQ7 => VitalZeroDelay01, -- lines
|
| 361 |
|
|
tipd_DQ8 => VitalZeroDelay01, --
|
| 362 |
|
|
tipd_DQ9 => VitalZeroDelay01, --
|
| 363 |
|
|
tipd_DQ10 => VitalZeroDelay01, --
|
| 364 |
|
|
tipd_DQ11 => VitalZeroDelay01, --
|
| 365 |
|
|
tipd_DQ12 => VitalZeroDelay01, --
|
| 366 |
|
|
tipd_DQ13 => VitalZeroDelay01, --
|
| 367 |
|
|
tipd_DQ14 => VitalZeroDelay01, --
|
| 368 |
|
|
|
| 369 |
|
|
tipd_DQ15 => VitalZeroDelay01, -- DQ15/A-1
|
| 370 |
|
|
|
| 371 |
|
|
tipd_CENeg => VitalZeroDelay01,
|
| 372 |
|
|
tipd_OENeg => VitalZeroDelay01,
|
| 373 |
|
|
tipd_WENeg => VitalZeroDelay01,
|
| 374 |
|
|
tipd_RESETNeg => VitalZeroDelay01,
|
| 375 |
|
|
tipd_WPNeg => VitalZeroDelay01,--WP#/ACC
|
| 376 |
|
|
tipd_BYTENeg => VitalZeroDelay01,
|
| 377 |
|
|
|
| 378 |
|
|
-- tpd delays
|
| 379 |
|
|
tpd_A0_DQ0 => UnitDelay01,--tACC
|
| 380 |
|
|
tpd_A0_DQ1 => UnitDelay01,--tPACC
|
| 381 |
|
|
tpd_CENeg_DQ0 => UnitDelay01Z,
|
| 382 |
|
|
--(tCE,tCE,tDF,-,tDF
|
| 383 |
|
|
tpd_OENeg_DQ0 => UnitDelay01Z,
|
| 384 |
|
|
--(tOE,tOE,tDF,-,tDF
|
| 385 |
|
|
tpd_RESETNeg_DQ0 => UnitDelay01Z,
|
| 386 |
|
|
--(-,-,0,-,0,-)
|
| 387 |
|
|
tpd_CENeg_RY => UnitDelay01, --tBUSY
|
| 388 |
|
|
tpd_WENeg_RY => UnitDelay01, --tBUSY
|
| 389 |
|
|
|
| 390 |
|
|
--tsetup values
|
| 391 |
|
|
tsetup_A0_CENeg => UnitDelay, --tAS edge \
|
| 392 |
|
|
tsetup_A0_OENeg => UnitDelay, --tASO edge \
|
| 393 |
|
|
tsetup_DQ0_CENeg => UnitDelay, --tDS edge /
|
| 394 |
|
|
|
| 395 |
|
|
--thold values
|
| 396 |
|
|
thold_CENeg_RESETNeg=> UnitDelay, --tRH edge /
|
| 397 |
|
|
thold_OENeg_WENeg => UnitDelay, --tOEH edge /
|
| 398 |
|
|
thold_A0_CENeg => UnitDelay, --tAH edge \
|
| 399 |
|
|
thold_A0_OENeg => UnitDelay, --tAHT edge \
|
| 400 |
|
|
thold_DQ0_CENeg => UnitDelay, --tDH edge /
|
| 401 |
|
|
thold_WENeg_OENeg => UnitDelay, --tGHVL edge /
|
| 402 |
|
|
|
| 403 |
|
|
--tpw values: pulse width
|
| 404 |
|
|
tpw_RESETNeg_negedge=> UnitDelay, --tRP
|
| 405 |
|
|
tpw_OENeg_posedge => UnitDelay, --tOEPH
|
| 406 |
|
|
tpw_WENeg_negedge => UnitDelay, --tWP
|
| 407 |
|
|
tpw_WENeg_posedge => UnitDelay, --tWPH
|
| 408 |
|
|
tpw_CENeg_negedge => UnitDelay, --tCP
|
| 409 |
|
|
tpw_CENeg_posedge => UnitDelay, --tCEPH
|
| 410 |
|
|
tpw_A0_negedge => UnitDelay, --tWC tRC
|
| 411 |
|
|
-- tdevice values: values for internal delays
|
| 412 |
|
|
--Effective Write Buffer Program Operation tWHWH1
|
| 413 |
|
|
tdevice_WBPB => 11 us,
|
| 414 |
|
|
--Program Operation
|
| 415 |
|
|
tdevice_POB => 100 us,
|
| 416 |
|
|
--Sector Erase Operation tWHWH2
|
| 417 |
|
|
tdevice_SEO => 500 ms,
|
| 418 |
|
|
--Timing Limit Exceeded
|
| 419 |
|
|
tdevice_HANG => 400 ms, --?
|
| 420 |
|
|
--program/erase suspend timeout
|
| 421 |
|
|
tdevice_START_T1 => 5 us,
|
| 422 |
|
|
--sector erase command sequence timeout
|
| 423 |
|
|
tdevice_CTMOUT => 50 us,
|
| 424 |
|
|
--device ready after Hardware reset(during embeded algorithm)
|
| 425 |
|
|
tdevice_READY => 20 us, --tReady
|
| 426 |
|
|
|
| 427 |
|
|
-- generic control parameters
|
| 428 |
|
|
InstancePath => DefaultInstancePath,
|
| 429 |
|
|
TimingChecksOn => TRUE,--DefaultTimingChecks,
|
| 430 |
|
|
MsgOn => DefaultMsgOn,
|
| 431 |
|
|
XOn => DefaultXon,
|
| 432 |
|
|
-- memory file to be loaded
|
| 433 |
|
|
mem_file_name => mem_file,
|
| 434 |
|
|
prot_file_name => prot_file ,
|
| 435 |
|
|
secsi_file_name => secsi_file,
|
| 436 |
|
|
|
| 437 |
|
|
UserPreload => UserPreload,
|
| 438 |
|
|
LongTimming => LongTimming,
|
| 439 |
|
|
-- For FMF SDF technology file usage
|
| 440 |
|
|
TimingModel => "AM29LV640MH90R" -- TimingModel
|
| 441 |
|
|
)
|
| 442 |
|
|
PORT MAP(
|
| 443 |
|
|
A21 => T_A(21), --
|
| 444 |
|
|
A20 => T_A(20), --
|
| 445 |
|
|
A19 => T_A(19), --
|
| 446 |
|
|
A18 => T_A(18), --
|
| 447 |
|
|
A17 => T_A(17), --
|
| 448 |
|
|
A16 => T_A(16), --
|
| 449 |
|
|
A15 => T_A(15), --
|
| 450 |
|
|
A14 => T_A(14), --
|
| 451 |
|
|
A13 => T_A(13), --address
|
| 452 |
|
|
A12 => T_A(12), --lines
|
| 453 |
|
|
A11 => T_A(11), --
|
| 454 |
|
|
A10 => T_A(10), --
|
| 455 |
|
|
A9 => T_A(9), --
|
| 456 |
|
|
A8 => T_A(8), --
|
| 457 |
|
|
A7 => T_A(7), --
|
| 458 |
|
|
A6 => T_A(6), --
|
| 459 |
|
|
A5 => T_A(5),--
|
| 460 |
|
|
A4 => T_A(4),--
|
| 461 |
|
|
A3 => T_A(3), --
|
| 462 |
|
|
A2 => T_A(2), --
|
| 463 |
|
|
A1 => T_A(1), --
|
| 464 |
|
|
A0 => T_A(0), --
|
| 465 |
|
|
|
| 466 |
|
|
DQ15 => T_DQ(15), -- DQ15/A-1
|
| 467 |
|
|
DQ14 => T_DQ(14), --
|
| 468 |
|
|
DQ13 => T_DQ(13), --
|
| 469 |
|
|
DQ12 => T_DQ(12), --
|
| 470 |
|
|
DQ11 => T_DQ(11), --
|
| 471 |
|
|
DQ10 => T_DQ(10), --
|
| 472 |
|
|
DQ9 => T_DQ(9), -- data
|
| 473 |
|
|
DQ8 => T_DQ(8), -- lines
|
| 474 |
|
|
DQ7 => T_DQ(7), --
|
| 475 |
|
|
DQ6 => T_DQ(6), --
|
| 476 |
|
|
DQ5 => T_DQ(5), --
|
| 477 |
|
|
DQ4 => T_DQ(4), --
|
| 478 |
|
|
DQ3 => T_DQ(3), --
|
| 479 |
|
|
DQ2 => T_DQ(2), --
|
| 480 |
|
|
DQ1 => T_DQ(1), --
|
| 481 |
|
|
DQ0 => T_DQ(0), --
|
| 482 |
|
|
|
| 483 |
|
|
CENeg => T_CENeg,
|
| 484 |
|
|
OENeg => T_OENeg,
|
| 485 |
|
|
WENeg => T_WENeg,
|
| 486 |
|
|
RESETNeg => T_RESETNeg,
|
| 487 |
|
|
WPNeg => T_WPNeg, --WP#/ACC
|
| 488 |
|
|
BYTENeg => T_BYTENeg,
|
| 489 |
|
|
RY => T_RY --RY/BY#
|
| 490 |
|
|
);
|
| 491 |
|
|
|
| 492 |
|
|
---------------------------------------------------------------------------
|
| 493 |
|
|
--protected sector
|
| 494 |
|
|
---------------------------------------------------------------------------
|
| 495 |
|
|
ProtSecNum <= SecNum WHEN TimingModel(11) = 'H' ELSE
|
| 496 |
|
|
|
| 497 |
|
|
|
| 498 |
|
|
pwron <= '0', '1' after 1 ns;
|
| 499 |
|
|
|
| 500 |
|
|
--At the end of the simulation, if ErrorInTest='0' there were no errors
|
| 501 |
|
|
err_ctrl : PROCESS ( check_err )
|
| 502 |
|
|
BEGIN
|
| 503 |
|
|
IF check_err = '1' THEN
|
| 504 |
|
|
ErrorInTest <= '1';
|
| 505 |
|
|
END IF;
|
| 506 |
|
|
END PROCESS err_ctrl;
|
| 507 |
|
|
|
| 508 |
|
|
tb :PROCESS
|
| 509 |
|
|
|
| 510 |
|
|
--------------------------------------------------------------------------
|
| 511 |
|
|
--= PROCEDURE to select TC
|
| 512 |
|
|
-- can be modified to read TC list from file, or to generate random list
|
| 513 |
|
|
--------------------------------------------------------------------------
|
| 514 |
|
|
PROCEDURE Pick_TC
|
| 515 |
|
|
(Model : IN STRING := "AM29LV640MH90R" )
|
| 516 |
|
|
IS
|
| 517 |
|
|
BEGIN
|
| 518 |
|
|
IF TC_cnt < tc(TS_cnt) THEN
|
| 519 |
|
|
TC_cnt := TC_cnt+1;
|
| 520 |
|
|
ELSE
|
| 521 |
|
|
TC_cnt:=1;
|
| 522 |
|
|
IF TS_cnt<30 THEN
|
| 523 |
|
|
TS_cnt := TS_cnt+1;
|
| 524 |
|
|
ELSE
|
| 525 |
|
|
-- end test
|
| 526 |
|
|
IF ErrorInTest='0' THEN
|
| 527 |
|
|
REPORT "Test Ended without errors"
|
| 528 |
|
|
SEVERITY note;
|
| 529 |
|
|
ELSE
|
| 530 |
|
|
REPORT "There were errors in test"
|
| 531 |
|
|
SEVERITY note;
|
| 532 |
|
|
END IF;
|
| 533 |
|
|
WAIT;
|
| 534 |
|
|
END IF;
|
| 535 |
|
|
END IF;
|
| 536 |
|
|
END PROCEDURE Pick_TC;
|
| 537 |
|
|
|
| 538 |
|
|
---------------------------------------------------------------------------
|
| 539 |
|
|
--bus commands, device specific implementation
|
| 540 |
|
|
---------------------------------------------------------------------------
|
| 541 |
|
|
TYPE bus_type IS (bus_idle,
|
| 542 |
|
|
bus_standby, --CE# deasseretd, others are don't care
|
| 543 |
|
|
bus_enable, --CE# asserted, others deasserted
|
| 544 |
|
|
bus_output_disable,
|
| 545 |
|
|
bus_reset,
|
| 546 |
|
|
bus_write,
|
| 547 |
|
|
bus_read);
|
| 548 |
|
|
|
| 549 |
|
|
--bus drive for specific command sequence cycle
|
| 550 |
|
|
PROCEDURE bus_cycle(
|
| 551 |
|
|
bus_cmd :IN bus_type := bus_idle;
|
| 552 |
|
|
byte :IN boolean ;
|
| 553 |
|
|
data :IN INTEGER RANGE -2 TO MaxData := -2; -- -1 for all Z
|
| 554 |
|
|
dataHi :IN INTEGER RANGE -2 TO MaxData := -2; -- -2 for ignore
|
| 555 |
|
|
sector :IN INTEGER RANGE -1 TO SecNum := -1; -- -1 for ignore addr
|
| 556 |
|
|
address :IN NATURAL RANGE 0 TO SecSize := 0;
|
| 557 |
|
|
disable :IN boolean := false;
|
| 558 |
|
|
violate :IN boolean := false;
|
| 559 |
|
|
tm :IN TIME := 10 ns)
|
| 560 |
|
|
IS
|
| 561 |
|
|
|
| 562 |
|
|
VARIABLE tmp : std_logic_vector(15 downto 0);
|
| 563 |
|
|
BEGIN
|
| 564 |
|
|
|
| 565 |
|
|
IF data=-1 THEN -- HiZ
|
| 566 |
|
|
T_DQ(7 downto 0) <= (OTHERS => 'Z');
|
| 567 |
|
|
END IF;
|
| 568 |
|
|
|
| 569 |
|
|
IF (NOT byte)THEN --word access
|
| 570 |
|
|
IF dataHi=-1 THEN -- HiZ
|
| 571 |
|
|
T_DQ(15 downto 8) <= (OTHERS => 'Z');
|
| 572 |
|
|
END IF;
|
| 573 |
|
|
T_BYTENeg <= '1';
|
| 574 |
|
|
ELSE --byte access
|
| 575 |
|
|
T_BYTENeg <= '0';
|
| 576 |
|
|
T_DQ(14 downto 8) <= (OTHERS => 'Z');
|
| 577 |
|
|
END IF;
|
| 578 |
|
|
|
| 579 |
|
|
IF sector > -1 THEN
|
| 580 |
|
|
T_A(HiAddrBit downto 15) <= to_slv(sector, HiAddrbit-14);
|
| 581 |
|
|
tmp := to_slv(address, 16);
|
| 582 |
|
|
IF byte THEN
|
| 583 |
|
|
T_A(14 downto 0) <= tmp(15 downto 1);
|
| 584 |
|
|
T_DQ(15) <= tmp(0);
|
| 585 |
|
|
ELSE
|
| 586 |
|
|
T_A(14 downto 0) <= tmp(14 downto 0);
|
| 587 |
|
|
END IF;
|
| 588 |
|
|
|
| 589 |
|
|
END IF;
|
| 590 |
|
|
|
| 591 |
|
|
wait for 1 ns;
|
| 592 |
|
|
|
| 593 |
|
|
CASE bus_cmd IS
|
| 594 |
|
|
WHEN bus_output_disable =>
|
| 595 |
|
|
T_OENeg <= '1';
|
| 596 |
|
|
WAIT FOR 20 ns;
|
| 597 |
|
|
|
| 598 |
|
|
WHEN bus_idle =>
|
| 599 |
|
|
T_RESETNeg <= '1';
|
| 600 |
|
|
T_WENeg <= '1';
|
| 601 |
|
|
T_CENeg <= '1';
|
| 602 |
|
|
T_OENeg <= '1';
|
| 603 |
|
|
IF disable THEN
|
| 604 |
|
|
T_WPNeg <= '0';
|
| 605 |
|
|
ELSE
|
| 606 |
|
|
T_WPNeg <= '1';
|
| 607 |
|
|
END IF;
|
| 608 |
|
|
WAIT FOR 30 ns;
|
| 609 |
|
|
|
| 610 |
|
|
WHEN bus_standby =>
|
| 611 |
|
|
T_CENeg <= '1';
|
| 612 |
|
|
WAIT FOR 30 ns;
|
| 613 |
|
|
|
| 614 |
|
|
WHEN bus_reset =>
|
| 615 |
|
|
T_RESETNeg <= '0', '1' AFTER tm ;
|
| 616 |
|
|
-- WAIT FOR 500 ns should follow this bus cmd for reset to
|
| 617 |
|
|
--complete
|
| 618 |
|
|
WAIT FOR 30 ns;
|
| 619 |
|
|
|
| 620 |
|
|
WHEN bus_enable =>
|
| 621 |
|
|
T_WENeg <= '1' AFTER 50 ns; ---
|
| 622 |
|
|
T_CENeg <= '0' AFTER 50 ns; ---
|
| 623 |
|
|
T_OENeg <= '1' AFTER 30 ns; ---
|
| 624 |
|
|
|
| 625 |
|
|
WAIT FOR tm ;
|
| 626 |
|
|
|
| 627 |
|
|
WHEN bus_write =>
|
| 628 |
|
|
T_OENeg <= '1' ;-- AFTER 5 ns;
|
| 629 |
|
|
T_CENeg <= '0' AFTER 10 ns ;
|
| 630 |
|
|
T_WENeg <= '0' AFTER 20 ns;
|
| 631 |
|
|
|
| 632 |
|
|
IF data>-1 THEN
|
| 633 |
|
|
T_DQ(7 downto 0) <= to_slv(data,8);
|
| 634 |
|
|
END IF;
|
| 635 |
|
|
IF NOT byte THEN
|
| 636 |
|
|
IF dataHi>-1 THEN
|
| 637 |
|
|
T_DQ(15 downto 8) <= to_slv(dataHi,8);
|
| 638 |
|
|
END IF;
|
| 639 |
|
|
END IF;
|
| 640 |
|
|
|
| 641 |
|
|
IF violate THEN
|
| 642 |
|
|
T_WENeg <= '1';
|
| 643 |
|
|
WAIT FOR 50 ns;
|
| 644 |
|
|
T_WENeg <= '0', '1' AFTER tm;
|
| 645 |
|
|
WAIT FOR 50 ns;
|
| 646 |
|
|
ELSE
|
| 647 |
|
|
WAIT FOR 100 ns;
|
| 648 |
|
|
END IF;
|
| 649 |
|
|
|
| 650 |
|
|
WHEN bus_read =>
|
| 651 |
|
|
|
| 652 |
|
|
T_CENeg <= '0' ;
|
| 653 |
|
|
T_WENeg <= '1'AFTER 10 ns;
|
| 654 |
|
|
IF NOT disable THEN
|
| 655 |
|
|
T_OENeg <= '0' AFTER 15 ns;
|
| 656 |
|
|
ELSE
|
| 657 |
|
|
T_OENeg <= '1';
|
| 658 |
|
|
END IF;
|
| 659 |
|
|
|
| 660 |
|
|
IF NOT byte THEN
|
| 661 |
|
|
T_DQ(15 downto 8) <= (OTHERS => 'Z');
|
| 662 |
|
|
END IF;
|
| 663 |
|
|
T_DQ(7 downto 0) <= (OTHERS => 'Z');
|
| 664 |
|
|
|
| 665 |
|
|
WAIT FOR 100 ns;
|
| 666 |
|
|
|
| 667 |
|
|
-- T_OENeg <= '1' ; -----------
|
| 668 |
|
|
|
| 669 |
|
|
END CASE;
|
| 670 |
|
|
|
| 671 |
|
|
|
| 672 |
|
|
END PROCEDURE;
|
| 673 |
|
|
|
| 674 |
|
|
|
| 675 |
|
|
---------------------------------------------------------------------------
|
| 676 |
|
|
--procedure to decode commands into specific bus command sequence
|
| 677 |
|
|
---------------------------------------------------------------------------
|
| 678 |
|
|
PROCEDURE cmd_dc
|
| 679 |
|
|
( command : IN cmd_rec )
|
| 680 |
|
|
IS
|
| 681 |
|
|
VARIABLE D_hi : NATURAL ;--RANGE 0 to MaxData;
|
| 682 |
|
|
VARIABLE D_lo : NATURAL RANGE 0 to MaxData;
|
| 683 |
|
|
VARIABLE Addr : NATURAL RANGE 0 to SecSize :=0;
|
| 684 |
|
|
VARIABLE Addrfix : NATURAL RANGE 0 to SecSize/2:=0;
|
| 685 |
|
|
VARIABLE Sect : INTEGER RANGE -1 to SecNum :=0;
|
| 686 |
|
|
VARIABLE slv_1, slv_2 : std_logic_vector(7 downto 0);
|
| 687 |
|
|
VARIABLE byte : boolean;
|
| 688 |
|
|
VARIABLE i : NATURAL;
|
| 689 |
|
|
BEGIN
|
| 690 |
|
|
CASE command.cmd IS
|
| 691 |
|
|
WHEN idle =>
|
| 692 |
|
|
bus_cycle(bus_cmd => bus_idle,
|
| 693 |
|
|
byte => command.byte,
|
| 694 |
|
|
disable => command.aux=disable);
|
| 695 |
|
|
|
| 696 |
|
|
WHEN h_reset =>
|
| 697 |
|
|
bus_cycle(bus_cmd => bus_reset,
|
| 698 |
|
|
byte => command.byte,
|
| 699 |
|
|
tm => command.wtime);
|
| 700 |
|
|
|
| 701 |
|
|
WHEN rd =>
|
| 702 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 703 |
|
|
byte => command.byte,
|
| 704 |
|
|
data => -1,
|
| 705 |
|
|
sector => command.sect,
|
| 706 |
|
|
address => command.addr,
|
| 707 |
|
|
tm => 90 ns);
|
| 708 |
|
|
|
| 709 |
|
|
bus_cycle(bus_cmd => bus_read,
|
| 710 |
|
|
byte => command.byte,
|
| 711 |
|
|
data => -1,
|
| 712 |
|
|
dataHi => -1,
|
| 713 |
|
|
sector => command.sect,
|
| 714 |
|
|
address => command.addr,
|
| 715 |
|
|
disable => command.aux=disable);
|
| 716 |
|
|
|
| 717 |
|
|
bus_cycle(bus_cmd => bus_output_disable,
|
| 718 |
|
|
byte => command.byte);
|
| 719 |
|
|
|
| 720 |
|
|
WHEN rd_page =>
|
| 721 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 722 |
|
|
byte => command.byte,
|
| 723 |
|
|
data => -1,
|
| 724 |
|
|
sector => 0,
|
| 725 |
|
|
address => 0,
|
| 726 |
|
|
tm => 90 ns);
|
| 727 |
|
|
|
| 728 |
|
|
Addr := command.addr;
|
| 729 |
|
|
Sect := command.sect;
|
| 730 |
|
|
byte := command.byte;
|
| 731 |
|
|
---- 08July----
|
| 732 |
|
|
WAIT FOR 10 ns;
|
| 733 |
|
|
--------------
|
| 734 |
|
|
i := 0;
|
| 735 |
|
|
WHILE i < command.d_hi LOOP
|
| 736 |
|
|
|
| 737 |
|
|
IF command.wtime > 0 ns THEN
|
| 738 |
|
|
|
| 739 |
|
|
bus_cycle(bus_cmd => bus_output_disable, ----
|
| 740 |
|
|
byte => byte); ----
|
| 741 |
|
|
|
| 742 |
|
|
--byte toggle mode
|
| 743 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 744 |
|
|
byte => byte,
|
| 745 |
|
|
data => -1,
|
| 746 |
|
|
sector => -1,
|
| 747 |
|
|
tm => 10 ns);
|
| 748 |
|
|
byte := false;
|
| 749 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 750 |
|
|
byte => byte,
|
| 751 |
|
|
data => -1,
|
| 752 |
|
|
sector => -1,
|
| 753 |
|
|
tm => 10 ns);
|
| 754 |
|
|
Addrfix := Addr /2;
|
| 755 |
|
|
IF Addr < SecSize THEN
|
| 756 |
|
|
Addr := Addr+1;
|
| 757 |
|
|
ELSE
|
| 758 |
|
|
Addr := 0;
|
| 759 |
|
|
IF Sect < SecNum THEN
|
| 760 |
|
|
Sect := Sect+1;
|
| 761 |
|
|
ELSE
|
| 762 |
|
|
REPORT "No more locations to read !!!"
|
| 763 |
|
|
SEVERITY warning;
|
| 764 |
|
|
END IF;
|
| 765 |
|
|
END IF;
|
| 766 |
|
|
--word read;
|
| 767 |
|
|
bus_cycle(bus_cmd => bus_read,
|
| 768 |
|
|
byte => byte,
|
| 769 |
|
|
data => -1,
|
| 770 |
|
|
dataHi => -1,
|
| 771 |
|
|
sector => Sect,
|
| 772 |
|
|
address => Addrfix);
|
| 773 |
|
|
|
| 774 |
|
|
bus_cycle(bus_cmd => bus_output_disable, ----
|
| 775 |
|
|
byte => byte); ----
|
| 776 |
|
|
|
| 777 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 778 |
|
|
byte => byte,
|
| 779 |
|
|
data => -1,
|
| 780 |
|
|
sector => -1,
|
| 781 |
|
|
tm => 10 ns);
|
| 782 |
|
|
byte := true;
|
| 783 |
|
|
bus_cycle(bus_cmd => bus_enable,
|
| 784 |
|
|
byte => byte,
|
| 785 |
|
|
data => -1,
|
| 786 |
|
|
sector => -1,
|
| 787 |
|
|
tm => 30 ns);
|
| 788 |
|
|
|
| 789 |
|
|
--first byte read
|
| 790 |
|
|
bus_cycle(bus_cmd => bus_read,
|
| 791 |
|
|
byte => byte,
|
| 792 |
|
|
data => -1,
|
| 793 |
|
|
dataHi => -1,
|
| 794 |
|
|
sector => Sect,
|
| 795 |
|
|
address => Addr);
|
| 796 |
|
|
|
| 797 |
|
|
bus_cycle(bus_cmd => bus_output_disable, ----
|
| 798 |
|
|
byte => byte); ----
|
| 799 |
|
|
|
| 800 |
|
|
IF Addr < SecSize THEN
|
| 801 |
|
|
Addr := Addr+1;
|
| 802 |
|
|
ELSE
|
| 803 |
|
|
Addr := 0;
|
| 804 |
|
|
IF Sect < SecNum THEN
|
| 805 |
|
|
Sect := Sect+1;
|
| 806 |
|
|
ELSE
|
| 807 |
|
|
REPORT "No more locations to read !!!"
|
| 808 |
|
|
SEVERITY warning;
|
| 809 |
|
|
END IF;
|
| 810 |
|
|
END IF;
|
| 811 |
|
|
i := i +3;
|
| 812 |
|
|
wait for 10 ns; -------
|
| 813 |
|
|
ELSE
|
| 814 |
|
|
byte := command.byte;
|
| 815 |
|
|
END IF;
|
| 816 |
|
|
--second byte read in byte toggle mode
|
| 817 |
|
|
bus_cycle(bus_cmd => bus_read,
|
| 818 |
|
|
byte => byte,
|
| 819 |
|
|
data => -1,
|
| 820 |
|
|
dataHi => -1,
|
| 821 |
|
|
sector => Sect,
|
| 822 |
|
|
address => Addr);
|
| 823 |
|
|
|
| 824 |
|
|
|
| 825 |
|
|
IF Addr < SecSize THEN
|
| 826 |
|
|
Addr := Addr+1;
|
| 827 |
|
|
ELSE
|
| 828 |
|
|
Addr := 0;
|
| 829 |
|
|
IF Sect < SecNum THEN
|
| 830 |
|
|
Sect := Sect+1;
|
| 831 |
|
|
ELSE
|
| 832 |
|
|
REPORT "No more locations to read !!!"
|
| 833 |
|
|
SEVERITY warning;
|
| 834 |
|
|
END IF;
|
| 835 |
|
|
END IF;
|
| 836 |
|
|
i := i +1;
|
| 837 |
|
|
WAIT FOR 10 ns;
|
| 838 |
|
|
END LOOP;
|
| 839 |
|
|
bus_cycle(bus_cmd => bus_output_disable,
|
| 840 |
|
|
byte => command.byte);
|
| 841 |
|
|
|
| 842 |
|
|
|
| 843 |
|
|
|
| 844 |
|
|
WHEN w_cycle =>
|
| 845 |
|
|
|
| 846 |
|
|
D_lo := 16#AA# ; --first command data
|
| 847 |
|
|
Addr := 16#AAA#; --first command byte address
|
| 848 |
|
|
D_hi := 16#55#; --second command data
|
| 849 |
|
|
Addrfix := 16#555#; --second command byte address
|
| 850 |
|
|
IF NOT command.byte THEN
|
| 851 |
|
|
--if word addressing
|
| 852 |
|
|
Addr := 16#555#; --first command byte address
|
| 853 |
|
|
Addrfix := 16#2AA#; --second command byte address
|
| 854 |
|
|
END IF;
|
| 855 |
|
|
|
| 856 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 857 |
|
|
byte => command.byte,
|
| 858 |
|
|
data => D_lo,
|
| 859 |
|
|
dataHi => 0,
|
| 860 |
|
|
sector => 0,
|
| 861 |
|
|
address => Addr,
|
| 862 |
|
|
violate => command.aux=violate,
|
| 863 |
|
|
tm => command.wtime);
|
| 864 |
|
|
|
| 865 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 866 |
|
|
byte => command.byte);
|
| 867 |
|
|
|
| 868 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 869 |
|
|
byte => command.byte,
|
| 870 |
|
|
data => D_hi,
|
| 871 |
|
|
dataHi => 0,
|
| 872 |
|
|
sector => 0,
|
| 873 |
|
|
address => Addrfix);
|
| 874 |
|
|
|
| 875 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 876 |
|
|
byte => command.byte);
|
| 877 |
|
|
|
| 878 |
|
|
|
| 879 |
|
|
WHEN w_reset | w_prog | w_erase | w_unlock |
|
| 880 |
|
|
w_autoselect | w_enter_sec =>
|
| 881 |
|
|
Addr := 16#AAA#;
|
| 882 |
|
|
IF NOT command.byte THEN
|
| 883 |
|
|
--if word addressing
|
| 884 |
|
|
Addr := 16#555#; --first command byte address
|
| 885 |
|
|
END IF;
|
| 886 |
|
|
|
| 887 |
|
|
CASE command.cmd IS
|
| 888 |
|
|
WHEN w_reset =>
|
| 889 |
|
|
d_lo := 16#F0#;
|
| 890 |
|
|
WHEN w_prog =>
|
| 891 |
|
|
d_lo := 16#A0#;
|
| 892 |
|
|
WHEN w_erase =>
|
| 893 |
|
|
d_lo := 16#80#;
|
| 894 |
|
|
WHEN w_unlock =>
|
| 895 |
|
|
d_lo := 16#20#;
|
| 896 |
|
|
WHEN w_autoselect =>
|
| 897 |
|
|
d_lo := 16#90#;
|
| 898 |
|
|
WHEN w_enter_sec =>
|
| 899 |
|
|
d_lo := 16#88#;
|
| 900 |
|
|
WHEN OTHERS =>
|
| 901 |
|
|
d_lo := 0;
|
| 902 |
|
|
END CASE;
|
| 903 |
|
|
|
| 904 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 905 |
|
|
byte => command.byte,
|
| 906 |
|
|
data => d_lo,
|
| 907 |
|
|
dataHi => 0,
|
| 908 |
|
|
sector => 0,
|
| 909 |
|
|
address => Addr);
|
| 910 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 911 |
|
|
byte => command.byte);
|
| 912 |
|
|
|
| 913 |
|
|
|
| 914 |
|
|
|
| 915 |
|
|
WHEN w_unlock_reset =>
|
| 916 |
|
|
Addr := 16#AAA#; --first command byte address
|
| 917 |
|
|
IF NOT command.byte THEN
|
| 918 |
|
|
--if word addressing
|
| 919 |
|
|
Addr := 16#555#; --first command byte address
|
| 920 |
|
|
END IF;
|
| 921 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 922 |
|
|
byte => command.byte,
|
| 923 |
|
|
data => 16#90#,
|
| 924 |
|
|
dataHi => 0,
|
| 925 |
|
|
sector => 0,
|
| 926 |
|
|
address => Addr);
|
| 927 |
|
|
|
| 928 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 929 |
|
|
byte => command.byte);
|
| 930 |
|
|
|
| 931 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 932 |
|
|
byte => command.byte,
|
| 933 |
|
|
data => 16#F0#,
|
| 934 |
|
|
dataHi => 0,
|
| 935 |
|
|
sector => 0,
|
| 936 |
|
|
address => Addr);
|
| 937 |
|
|
|
| 938 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 939 |
|
|
byte => command.byte);
|
| 940 |
|
|
|
| 941 |
|
|
WHEN w_chip_ers =>
|
| 942 |
|
|
Addr := 16#AAA#; --first command byte address
|
| 943 |
|
|
IF NOT command.byte THEN
|
| 944 |
|
|
--if word addressing
|
| 945 |
|
|
Addr := 16#555#; --first command byte address
|
| 946 |
|
|
END IF;
|
| 947 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 948 |
|
|
byte => command.byte,
|
| 949 |
|
|
data => 16#10#,
|
| 950 |
|
|
dataHi => 0,
|
| 951 |
|
|
sector => 0,
|
| 952 |
|
|
Address => Addr);
|
| 953 |
|
|
FOR i IN 0 TO SecNum LOOP
|
| 954 |
|
|
IF Sec_Prot(i)/='1' THEN
|
| 955 |
|
|
mem(i) := (OTHERS=>16#FF#);
|
| 956 |
|
|
END IF;
|
| 957 |
|
|
END LOOP;
|
| 958 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 959 |
|
|
byte => command.byte);
|
| 960 |
|
|
|
| 961 |
|
|
|
| 962 |
|
|
WHEN w_cfi =>
|
| 963 |
|
|
Addr := 16#AA#; --first command byte address
|
| 964 |
|
|
IF NOT command.byte THEN
|
| 965 |
|
|
--if word addressing
|
| 966 |
|
|
Addr := 16#55#; --first command byte address
|
| 967 |
|
|
END IF;
|
| 968 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 969 |
|
|
byte => command.byte,
|
| 970 |
|
|
data => 16#98#,
|
| 971 |
|
|
dataHi => 0,
|
| 972 |
|
|
sector => 0,
|
| 973 |
|
|
Address => Addr);
|
| 974 |
|
|
|
| 975 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 976 |
|
|
byte => command.byte);
|
| 977 |
|
|
|
| 978 |
|
|
|
| 979 |
|
|
|
| 980 |
|
|
WHEN w_suspend =>
|
| 981 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 982 |
|
|
byte => command.byte,
|
| 983 |
|
|
data => 16#B0#,
|
| 984 |
|
|
dataHi => 0,
|
| 985 |
|
|
sector => -1);
|
| 986 |
|
|
|
| 987 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 988 |
|
|
byte => command.byte);
|
| 989 |
|
|
|
| 990 |
|
|
WHEN w_resume =>
|
| 991 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 992 |
|
|
byte => command.byte,
|
| 993 |
|
|
data => 16#30#,
|
| 994 |
|
|
dataHi => 0,
|
| 995 |
|
|
sector => -1);
|
| 996 |
|
|
|
| 997 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 998 |
|
|
byte => command.byte);
|
| 999 |
|
|
|
| 1000 |
|
|
|
| 1001 |
|
|
WHEN w_data =>
|
| 1002 |
|
|
|
| 1003 |
|
|
D_hi := command.d_hi MOD 16#100#;
|
| 1004 |
|
|
D_lo := command.d_lo ;
|
| 1005 |
|
|
Addr := command.addr;
|
| 1006 |
|
|
Sect := command.sect;
|
| 1007 |
|
|
|
| 1008 |
|
|
bus_cycle(bus_cmd => bus_write,
|
| 1009 |
|
|
byte => command.byte,
|
| 1010 |
|
|
data => D_lo,
|
| 1011 |
|
|
dataHi => D_hi,
|
| 1012 |
|
|
sector => Sect,
|
| 1013 |
|
|
address => Addr);
|
| 1014 |
|
|
|
| 1015 |
|
|
bus_cycle(bus_cmd => bus_standby,
|
| 1016 |
|
|
byte => command.byte);
|
| 1017 |
|
|
|
| 1018 |
|
|
|
| 1019 |
|
|
IF NOT command.byte THEN
|
| 1020 |
|
|
Addr := Addr*2;
|
| 1021 |
|
|
END IF;
|
| 1022 |
|
|
|
| 1023 |
|
|
--write value(s) in default mem
|
| 1024 |
|
|
IF status = erase_active AND Sec_Prot(Sect)/='1'THEN
|
| 1025 |
|
|
--sector should be erased
|
| 1026 |
|
|
mem(Sect) := (OTHERS=>16#FF#);
|
| 1027 |
|
|
|
| 1028 |
|
|
ELSIF status = erase_na AND Sec_Prot(Sect)/='1'THEN
|
| 1029 |
|
|
--sector erase terminated = data integrity violated
|
| 1030 |
|
|
mem(Sect) := (OTHERS=>-1);
|
| 1031 |
|
|
|
| 1032 |
|
|
ELSIF status = readX AND Sec_Prot(Sect)/='1' THEN
|
| 1033 |
|
|
mem(Sect)(Addr) := -1;
|
| 1034 |
|
|
IF NOT command.byte THEN
|
| 1035 |
|
|
mem(Sect)(Addr+1) := -1;
|
| 1036 |
|
|
END IF;
|
| 1037 |
|
|
|
| 1038 |
|
|
-- Write to Secure Silicon Sector Region
|
| 1039 |
|
|
ELSIF status = rd_SecSi AND FactoryProt/='1' THEN
|
| 1040 |
|
|
slv_1 := to_slv(d_lo,8);
|
| 1041 |
|
|
IF SecSi(Addr)>-1 THEN
|
| 1042 |
|
|
slv_2 := to_slv(SecSi(Addr),8);
|
| 1043 |
|
|
ELSE
|
| 1044 |
|
|
slv_2 := (OTHERS=>'X');
|
| 1045 |
|
|
END IF;
|
| 1046 |
|
|
|
| 1047 |
|
|
FOR i IN 0 to 7 LOOP
|
| 1048 |
|
|
IF slv_2(i)='0' THEN
|
| 1049 |
|
|
slv_1(i):='0';
|
| 1050 |
|
|
END IF;
|
| 1051 |
|
|
END LOOP;
|
| 1052 |
|
|
SecSi(Addr) := to_nat(slv_1);
|
| 1053 |
|
|
IF NOT command.byte THEN
|
| 1054 |
|
|
slv_1 := to_slv(d_hi,8);
|
| 1055 |
|
|
IF SecSi(Addr+1)>-1 THEN
|
| 1056 |
|
|
slv_2 := to_slv(SecSi(Addr+1),8);
|
| 1057 |
|
|
ELSE
|
| 1058 |
|
|
slv_2 := (OTHERS=>'X');
|
| 1059 |
|
|
END IF;
|
| 1060 |
|
|
FOR i IN 0 to 7 LOOP
|
| 1061 |
|
|
IF slv_2(i)='0' THEN
|
| 1062 |
|
|
slv_1(i):='0';
|
| 1063 |
|
|
END IF;
|
| 1064 |
|
|
END LOOP;
|
| 1065 |
|
|
SecSi(Addr+1) := to_nat(slv_1);
|
| 1066 |
|
|
END IF;
|
| 1067 |
|
|
|
| 1068 |
|
|
ELSIF status=buff_wr_busy THEN
|
| 1069 |
|
|
--Write to Buffer command cycle
|
| 1070 |
|
|
null;
|
| 1071 |
|
|
|
| 1072 |
|
|
ELSIF status=erase_na THEN
|
| 1073 |
|
|
--sector erase command sequence violation
|
| 1074 |
|
|
null;
|
| 1075 |
|
|
|
| 1076 |
|
|
-- Write to Flash Memory Array
|
| 1077 |
|
|
ELSIF status /= err AND Sec_Prot(Sect)/='1'THEN
|
| 1078 |
|
|
slv_1 := to_slv(d_lo,8);
|
| 1079 |
|
|
IF mem(Sect)(Addr)>-1 THEN
|
| 1080 |
|
|
slv_2 := to_slv(mem(Sect)(Addr),8);
|
| 1081 |
|
|
ELSE
|
| 1082 |
|
|
slv_2 := (OTHERS=>'X');
|
| 1083 |
|
|
END IF;
|
| 1084 |
|
|
|
| 1085 |
|
|
FOR i IN 0 to 7 LOOP
|
| 1086 |
|
|
IF slv_2(i)='0' THEN
|
| 1087 |
|
|
slv_1(i):='0';
|
| 1088 |
|
|
END IF;
|
| 1089 |
|
|
END LOOP;
|
| 1090 |
|
|
mem(Sect)(Addr) := to_nat(slv_1);
|
| 1091 |
|
|
IF NOT command.byte THEN
|
| 1092 |
|
|
slv_1 := to_slv(d_hi,8);
|
| 1093 |
|
|
IF mem(Sect)(Addr+1)>-1 THEN
|
| 1094 |
|
|
slv_2 := to_slv(mem(Sect)(Addr+1),8);
|
| 1095 |
|
|
ELSE
|
| 1096 |
|
|
slv_2 := (OTHERS=>'X');
|
| 1097 |
|
|
END IF;
|
| 1098 |
|
|
FOR i IN 0 to 7 LOOP
|
| 1099 |
|
|
IF slv_2(i)='0' THEN
|
| 1100 |
|
|
slv_1(i):='0';
|
| 1101 |
|
|
END IF;
|
| 1102 |
|
|
END LOOP;
|
| 1103 |
|
|
mem(Sect)(Addr+1) := to_nat(slv_1);
|
| 1104 |
|
|
END IF;
|
| 1105 |
|
|
END IF;
|
| 1106 |
|
|
|
| 1107 |
|
|
|
| 1108 |
|
|
WHEN wt =>
|
| 1109 |
|
|
WAIT FOR command.wtime;
|
| 1110 |
|
|
|
| 1111 |
|
|
WHEN wt_rdy =>
|
| 1112 |
|
|
IF T_RY/='1' THEN
|
| 1113 |
|
|
WAIT UNTIL rising_edge(T_RY) FOR command.wtime;
|
| 1114 |
|
|
END IF;
|
| 1115 |
|
|
|
| 1116 |
|
|
WHEN wt_bsy =>
|
| 1117 |
|
|
IF T_RY='1' THEN
|
| 1118 |
|
|
WAIT UNTIL falling_edge(T_RY) FOR command.wtime;
|
| 1119 |
|
|
END IF;
|
| 1120 |
|
|
|
| 1121 |
|
|
WHEN OTHERS => null;
|
| 1122 |
|
|
END CASE;
|
| 1123 |
|
|
END PROCEDURE;
|
| 1124 |
|
|
|
| 1125 |
|
|
|
| 1126 |
|
|
VARIABLE cmd_cnt : NATURAL;
|
| 1127 |
|
|
VARIABLE command : cmd_rec; --
|
| 1128 |
|
|
|
| 1129 |
|
|
BEGIN
|
| 1130 |
|
|
Pick_TC (Model => "AM29LV640MH90R" );
|
| 1131 |
|
|
|
| 1132 |
|
|
Tseries <= ts_cnt ;
|
| 1133 |
|
|
Tcase <= tc_cnt ;
|
| 1134 |
|
|
|
| 1135 |
|
|
Generate_TC
|
| 1136 |
|
|
(Model => "AM29LV640MH90R" ,
|
| 1137 |
|
|
Series => ts_cnt,
|
| 1138 |
|
|
TestCase => tc_cnt,
|
| 1139 |
|
|
command_seq => cmd_seq);
|
| 1140 |
|
|
|
| 1141 |
|
|
|
| 1142 |
|
|
cmd_cnt := 1;
|
| 1143 |
|
|
WHILE cmd_seq(cmd_cnt).cmd/=done LOOP
|
| 1144 |
|
|
command:= cmd_seq(cmd_cnt);
|
| 1145 |
|
|
IF command.sect = -1 THEN
|
| 1146 |
|
|
command.sect := ProtSecNum;
|
| 1147 |
|
|
END IF;
|
| 1148 |
|
|
status <= command.status;
|
| 1149 |
|
|
sts_check<= to_slv(command.d_lo,8); --used only for toggle/status check
|
| 1150 |
|
|
cmd_dc(command);
|
| 1151 |
|
|
cmd_cnt :=cmd_cnt +1;
|
| 1152 |
|
|
|
| 1153 |
|
|
END LOOP;
|
| 1154 |
|
|
|
| 1155 |
|
|
END PROCESS tb;
|
| 1156 |
|
|
|
| 1157 |
|
|
--process to monitor WP#
|
| 1158 |
|
|
PROCESS(T_WPNeg)
|
| 1159 |
|
|
VARIABLE reg : std_logic;
|
| 1160 |
|
|
BEGIN
|
| 1161 |
|
|
IF falling_edge(T_WPNeg) THEN
|
| 1162 |
|
|
reg := Sec_Prot(ProtSecNum);
|
| 1163 |
|
|
Sec_Prot(ProtSecNum) := '1';
|
| 1164 |
|
|
ELSIF rising_edge(T_WPNeg) THEN
|
| 1165 |
|
|
Sec_Prot(ProtSecNum) := reg;
|
| 1166 |
|
|
END IF;
|
| 1167 |
|
|
END PROCESS;
|
| 1168 |
|
|
|
| 1169 |
|
|
--------------------------------------------------------------------------------
|
| 1170 |
|
|
-- Checker process,
|
| 1171 |
|
|
-- Bus transition extractor: when bus cycle is read samples addr and data
|
| 1172 |
|
|
-- Transition checker : verifies correct read data using default memory
|
| 1173 |
|
|
--------------------------------------------------------------------------------
|
| 1174 |
|
|
checker: PROCESS
|
| 1175 |
|
|
VARIABLE RAddr : NATURAL;
|
| 1176 |
|
|
VARIABLE RSect : NATURAL;
|
| 1177 |
|
|
VARIABLE longread : boolean;
|
| 1178 |
|
|
VARIABLE shortread : boolean;
|
| 1179 |
|
|
VARIABLE toggle : boolean:=false;
|
| 1180 |
|
|
VARIABLE toggle_sts : std_logic_vector(7 downto 0);
|
| 1181 |
|
|
|
| 1182 |
|
|
BEGIN
|
| 1183 |
|
|
-- Transition extractor
|
| 1184 |
|
|
IF (T_CENeg='0'AND T_OENeg='0'AND T_WENeg='1') THEN
|
| 1185 |
|
|
IF T_BYTENeg='1' THEN
|
| 1186 |
|
|
RAddr := to_nat(T_A(14 downto 0)&'0');
|
| 1187 |
|
|
ELSE
|
| 1188 |
|
|
RAddr := to_nat(T_A(14 downto 0)&T_DQ(15));
|
| 1189 |
|
|
END IF;
|
| 1190 |
|
|
RSect := to_nat(T_A(HiAddrBit downto 15));
|
| 1191 |
|
|
|
| 1192 |
|
|
shortread:= false;
|
| 1193 |
|
|
longread := false;
|
| 1194 |
|
|
|
| 1195 |
|
|
--DUT specific timing
|
| 1196 |
|
|
IF (T_CENeg'EVENT OR T_WENeg'EVENT OR T_A(HiAddrBit downto 2)'EVENT)AND --
|
| 1197 |
|
|
(status=read OR status=rd_cfi OR status=rd_secsi) THEN --OR status=readX)
|
| 1198 |
|
|
longread := true;
|
| 1199 |
|
|
CASE TimingModel IS
|
| 1200 |
|
|
WHEN "AM29LV640MH90R" |
|
| 1201 |
|
|
"AM29LV640ML90R" => WAIT FOR 95 ns;
|
| 1202 |
|
|
-- WHEN "AM29LV640MH101" |
|
| 1203 |
|
|
-- "AM29LV640ML101" => WAIT FOR 105 ns;
|
| 1204 |
|
|
-- WHEN "AM29LV640MH101R" |
|
| 1205 |
|
|
-- "AM29LV640ML101R" => WAIT FOR 105 ns;
|
| 1206 |
|
|
-- WHEN "AM29LV640MH112" |
|
| 1207 |
|
|
-- "AM29LV640ML112" => WAIT FOR 115 ns;
|
| 1208 |
|
|
-- WHEN "AM29LV640MH112R" |
|
| 1209 |
|
|
-- "AM29LV640ML112R" => WAIT FOR 115 ns;
|
| 1210 |
|
|
-- WHEN "AM29LV640MH120" |
|
| 1211 |
|
|
-- "AM29LV640ML120" => WAIT FOR 125 ns;
|
| 1212 |
|
|
-- WHEN "AM29LV640MH120R" |
|
| 1213 |
|
|
-- "AM29LV640ML120R" => WAIT FOR 125 ns;
|
| 1214 |
|
|
WHEN OTHERS =>
|
| 1215 |
|
|
REPORT "Timing model NOT supported : "&TimingModel
|
| 1216 |
|
|
SEVERITY error;
|
| 1217 |
|
|
END CASE;
|
| 1218 |
|
|
|
| 1219 |
|
|
ELSIF T_A(1 downto 0)'EVENT OR
|
| 1220 |
|
|
(T_DQ(15)'EVENT AND T_BYTENeg='0')OR
|
| 1221 |
|
|
(T_BYTENeg'EVENT) OR
|
| 1222 |
|
|
T_OENeg'EVENT OR
|
| 1223 |
|
|
(status/=read AND status/=rd_cfi AND
|
| 1224 |
|
|
status/=rd_secsi) THEN --AND status/=readX)
|
| 1225 |
|
|
shortread:=true;
|
| 1226 |
|
|
CASE TimingModel IS
|
| 1227 |
|
|
WHEN "AM29LV640MH90R" |
|
| 1228 |
|
|
"AM29LV640ML90R" => WAIT FOR 30 ns;
|
| 1229 |
|
|
-- WHEN "AM29LV640MH101" |
|
| 1230 |
|
|
-- "AM29LV640ML101" => WAIT FOR 40 ns;
|
| 1231 |
|
|
-- WHEN "AM29LV640MH101R" |
|
| 1232 |
|
|
-- "AM29LV640ML101R" => WAIT FOR 40 ns;
|
| 1233 |
|
|
-- WHEN "AM29LV640MH112" |
|
| 1234 |
|
|
-- "AM29LV640ML112" => WAIT FOR 45 ns;
|
| 1235 |
|
|
-- WHEN "AM29LV640MH112R" |
|
| 1236 |
|
|
-- "AM29LV640ML112R" => WAIT FOR 45 ns;
|
| 1237 |
|
|
-- WHEN "AM29LV640MH120" |
|
| 1238 |
|
|
-- "AM29LV640ML120" => WAIT FOR 45 ns;
|
| 1239 |
|
|
-- WHEN "AM29LV640MH120R" |
|
| 1240 |
|
|
-- "AM29LV640ML120R" => WAIT FOR 45 ns;
|
| 1241 |
|
|
WHEN OTHERS =>
|
| 1242 |
|
|
REPORT "Timing model NOT supported : "&TimingModel
|
| 1243 |
|
|
SEVERITY error;
|
| 1244 |
|
|
END CASE;
|
| 1245 |
|
|
|
| 1246 |
|
|
END IF;
|
| 1247 |
|
|
|
| 1248 |
|
|
|
| 1249 |
|
|
|
| 1250 |
|
|
--Checker
|
| 1251 |
|
|
IF longread OR shortread THEN
|
| 1252 |
|
|
|
| 1253 |
|
|
CASE status IS
|
| 1254 |
|
|
WHEN none =>
|
| 1255 |
|
|
toggle := false;
|
| 1256 |
|
|
|
| 1257 |
|
|
-- read memory array data
|
| 1258 |
|
|
WHEN read =>
|
| 1259 |
|
|
toggle := false;
|
| 1260 |
|
|
Check_read (
|
| 1261 |
|
|
DQ => T_DQ,
|
| 1262 |
|
|
D_lo => mem(RSect)(RAddr),
|
| 1263 |
|
|
D_hi => mem(RSect)(RAddr+1),
|
| 1264 |
|
|
Byte => T_BYTENeg,
|
| 1265 |
|
|
check_err=> check_err);
|
| 1266 |
|
|
|
| 1267 |
|
|
-- read secure silicon region
|
| 1268 |
|
|
WHEN rd_secsi =>
|
| 1269 |
|
|
toggle := false;
|
| 1270 |
|
|
Check_SecSi (
|
| 1271 |
|
|
DQ => T_DQ,
|
| 1272 |
|
|
D_lo => SecSi(RAddr),
|
| 1273 |
|
|
D_hi => SecSi(RAddr+1),
|
| 1274 |
|
|
Byte => T_BYTENeg,
|
| 1275 |
|
|
check_err=>check_err);
|
| 1276 |
|
|
|
| 1277 |
|
|
|
| 1278 |
|
|
--read CFI query codes
|
| 1279 |
|
|
WHEN rd_cfi =>
|
| 1280 |
|
|
RAddr := to_nat(T_A(14 downto 0)); --x16 addressing
|
| 1281 |
|
|
toggle := false;
|
| 1282 |
|
|
Check_CFI (
|
| 1283 |
|
|
DQ => T_DQ,
|
| 1284 |
|
|
D_lo => CFI_array(RAddr) ,
|
| 1285 |
|
|
D_hi => 0 ,
|
| 1286 |
|
|
Byte => T_BYTENeg,
|
| 1287 |
|
|
check_err=>check_err);
|
| 1288 |
|
|
|
| 1289 |
|
|
|
| 1290 |
|
|
|
| 1291 |
|
|
-- read Autoselect codes
|
| 1292 |
|
|
WHEN rd_AS =>
|
| 1293 |
|
|
RAddr := to_nat(T_A(14 downto 0)); --x16 addressing
|
| 1294 |
|
|
toggle := false;
|
| 1295 |
|
|
Check_AS (
|
| 1296 |
|
|
DQ => T_DQ,
|
| 1297 |
|
|
addr => RAddr,
|
| 1298 |
|
|
ProtSecNum=>ProtSecNum,
|
| 1299 |
|
|
secProt => Sec_Prot(RSect),
|
| 1300 |
|
|
FactoryProt=>FactoryProt ,
|
| 1301 |
|
|
Byte => T_BYTENeg,
|
| 1302 |
|
|
AS_E => to_slv(16#0C#,8),
|
| 1303 |
|
|
AS_F => to_slv(1,8),
|
| 1304 |
|
|
|
| 1305 |
|
|
check_err=>check_err);
|
| 1306 |
|
|
|
| 1307 |
|
|
|
| 1308 |
|
|
WHEN rd_HiZ =>
|
| 1309 |
|
|
toggle:=false;
|
| 1310 |
|
|
Check_Z (
|
| 1311 |
|
|
DQ => T_DQ,
|
| 1312 |
|
|
check_err=>check_err);
|
| 1313 |
|
|
|
| 1314 |
|
|
|
| 1315 |
|
|
|
| 1316 |
|
|
WHEN readX =>
|
| 1317 |
|
|
toggle:=false;
|
| 1318 |
|
|
Check_X (
|
| 1319 |
|
|
DQ => T_DQ,
|
| 1320 |
|
|
check_err=>check_err);
|
| 1321 |
|
|
|
| 1322 |
|
|
|
| 1323 |
|
|
WHEN erase_na | erase_active =>
|
| 1324 |
|
|
IF toggle THEN
|
| 1325 |
|
|
Check_Erase (
|
| 1326 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1327 |
|
|
sts => status,
|
| 1328 |
|
|
toggle => toggle_sts,
|
| 1329 |
|
|
sts_check=>sts_check,
|
| 1330 |
|
|
RY => T_RY,
|
| 1331 |
|
|
check_err=>check_err);
|
| 1332 |
|
|
|
| 1333 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1334 |
|
|
END IF;
|
| 1335 |
|
|
|
| 1336 |
|
|
WHEN ers_susp_e =>
|
| 1337 |
|
|
IF toggle THEN
|
| 1338 |
|
|
Check_Ers_Susp (
|
| 1339 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1340 |
|
|
sts => status,
|
| 1341 |
|
|
toggle => toggle_sts,
|
| 1342 |
|
|
sts_check=>sts_check,
|
| 1343 |
|
|
RY => T_RY,
|
| 1344 |
|
|
check_err=>check_err);
|
| 1345 |
|
|
|
| 1346 |
|
|
|
| 1347 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1348 |
|
|
END IF;
|
| 1349 |
|
|
|
| 1350 |
|
|
--
|
| 1351 |
|
|
|
| 1352 |
|
|
WHEN ers_susp_prog_na | ers_susp_prog =>
|
| 1353 |
|
|
IF toggle THEN
|
| 1354 |
|
|
Check_Ers_Susp_Prog (
|
| 1355 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1356 |
|
|
sts => status,
|
| 1357 |
|
|
toggle => toggle_sts,
|
| 1358 |
|
|
sts_check=>sts_check,
|
| 1359 |
|
|
RY => T_RY,
|
| 1360 |
|
|
check_err=>check_err);
|
| 1361 |
|
|
|
| 1362 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1363 |
|
|
END IF;
|
| 1364 |
|
|
|
| 1365 |
|
|
--
|
| 1366 |
|
|
|
| 1367 |
|
|
WHEN prog_na | prog_active =>
|
| 1368 |
|
|
IF toggle THEN
|
| 1369 |
|
|
Check_Progr (
|
| 1370 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1371 |
|
|
sts => status,
|
| 1372 |
|
|
toggle => toggle_sts,
|
| 1373 |
|
|
sts_check=>sts_check,
|
| 1374 |
|
|
RY => T_RY,
|
| 1375 |
|
|
check_err=>check_err);
|
| 1376 |
|
|
|
| 1377 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1378 |
|
|
END IF;
|
| 1379 |
|
|
|
| 1380 |
|
|
WHEN buff_wr_busy | buff_wr_N_busy =>
|
| 1381 |
|
|
IF toggle THEN
|
| 1382 |
|
|
Check_Buff_Busy (
|
| 1383 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1384 |
|
|
sts => status,
|
| 1385 |
|
|
toggle => toggle_sts,
|
| 1386 |
|
|
sts_check=>sts_check,
|
| 1387 |
|
|
RY => T_RY,
|
| 1388 |
|
|
check_err=>check_err);
|
| 1389 |
|
|
|
| 1390 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1391 |
|
|
END IF;
|
| 1392 |
|
|
|
| 1393 |
|
|
WHEN buff_abort =>
|
| 1394 |
|
|
IF toggle THEN
|
| 1395 |
|
|
Check_Abort (
|
| 1396 |
|
|
DQ => T_DQ(7 downto 0),
|
| 1397 |
|
|
sts => status,
|
| 1398 |
|
|
toggle => toggle_sts,
|
| 1399 |
|
|
sts_check=>sts_check,
|
| 1400 |
|
|
RY => T_RY,
|
| 1401 |
|
|
check_err=>check_err);
|
| 1402 |
|
|
|
| 1403 |
|
|
toggle_sts := T_DQ(7 downto 0); --update toggle check
|
| 1404 |
|
|
END IF;
|
| 1405 |
|
|
WHEN OTHERS => null;
|
| 1406 |
|
|
END CASE;
|
| 1407 |
|
|
|
| 1408 |
|
|
-- get firs data for toggle check
|
| 1409 |
|
|
CASE status IS
|
| 1410 |
|
|
WHEN prog_active | prog_na |
|
| 1411 |
|
|
erase_active | erase_na |
|
| 1412 |
|
|
ers_susp_e |
|
| 1413 |
|
|
ers_susp_prog | ers_susp_prog_na |
|
| 1414 |
|
|
buff_wr_busy | buff_wr_N_busy |
|
| 1415 |
|
|
buff_abort | get_toggle =>
|
| 1416 |
|
|
|
| 1417 |
|
|
IF (NOT toggle) OR (status=get_toggle) THEN
|
| 1418 |
|
|
toggle:=true;
|
| 1419 |
|
|
toggle_sts := T_DQ(7 downto 0);
|
| 1420 |
|
|
END IF;
|
| 1421 |
|
|
|
| 1422 |
|
|
WHEN OTHERS => null;
|
| 1423 |
|
|
END CASE;
|
| 1424 |
|
|
|
| 1425 |
|
|
|
| 1426 |
|
|
END IF;
|
| 1427 |
|
|
|
| 1428 |
|
|
END IF;
|
| 1429 |
|
|
|
| 1430 |
|
|
WAIT ON T_A, T_CENeg, T_OENeg, T_WENeg, T_DQ(15), T_BYTENeg;
|
| 1431 |
|
|
|
| 1432 |
|
|
END PROCESS checker;
|
| 1433 |
|
|
|
| 1434 |
|
|
|
| 1435 |
|
|
default: PROCESS
|
| 1436 |
|
|
-- text file input variables
|
| 1437 |
|
|
FILE mem_f : text is mem_file;
|
| 1438 |
|
|
FILE prot_f : text is prot_file;
|
| 1439 |
|
|
FILE secsi_f : text is secsi_file;
|
| 1440 |
|
|
|
| 1441 |
|
|
VARIABLE S_ind : NATURAL RANGE 0 TO SecNum:= 0;
|
| 1442 |
|
|
VARIABLE ind : NATURAL RANGE 0 TO SecSize:= 0;
|
| 1443 |
|
|
VARIABLE buf : line;
|
| 1444 |
|
|
|
| 1445 |
|
|
BEGIN
|
| 1446 |
|
|
--Preload Control
|
| 1447 |
|
|
-----------------------------------------------------------------------
|
| 1448 |
|
|
-- File Read Section
|
| 1449 |
|
|
-----------------------------------------------------------------------
|
| 1450 |
|
|
IF UserPreload THEN
|
| 1451 |
|
|
--- Sector protection preload
|
| 1452 |
|
|
IF (prot_file /= "none" ) THEN
|
| 1453 |
|
|
ind := 0;
|
| 1454 |
|
|
FactoryProt := '0';
|
| 1455 |
|
|
Sec_Prot := (OTHERS => '0');
|
| 1456 |
|
|
WHILE (not ENDFILE (prot_f)) LOOP
|
| 1457 |
|
|
READLINE (prot_f, buf);
|
| 1458 |
|
|
IF buf(1) = '/' THEN
|
| 1459 |
|
|
NEXT;
|
| 1460 |
|
|
ELSIF buf(1) = '@' THEN
|
| 1461 |
|
|
ind := h(buf(2 to 3)); --address
|
| 1462 |
|
|
ELSE
|
| 1463 |
|
|
IF ind > SecNum THEN
|
| 1464 |
|
|
--SecSi Factory protect preload
|
| 1465 |
|
|
IF buf(1)='1' THEN
|
| 1466 |
|
|
FactoryProt := '1';
|
| 1467 |
|
|
END IF;
|
| 1468 |
|
|
ELSE
|
| 1469 |
|
|
-- Standard Sector prload
|
| 1470 |
|
|
IF buf(1)='1' THEN
|
| 1471 |
|
|
Sec_Prot(ind):= '1';
|
| 1472 |
|
|
END IF;
|
| 1473 |
|
|
ind := ind + 1;
|
| 1474 |
|
|
END IF;
|
| 1475 |
|
|
END IF;
|
| 1476 |
|
|
END LOOP;
|
| 1477 |
|
|
END IF;
|
| 1478 |
|
|
|
| 1479 |
|
|
-- Secure Silicon Sector Region preload
|
| 1480 |
|
|
IF (SecSi_file /= "none" ) THEN
|
| 1481 |
|
|
SecSi := (OTHERS => MaxData);
|
| 1482 |
|
|
ind := 0;
|
| 1483 |
|
|
WHILE (not ENDFILE (SecSi_f)) LOOP
|
| 1484 |
|
|
READLINE (SecSi_f, buf);
|
| 1485 |
|
|
IF buf(1) = '/' THEN
|
| 1486 |
|
|
NEXT;
|
| 1487 |
|
|
ELSIF buf(1) = '@' THEN
|
| 1488 |
|
|
ind := h(buf(2 to 3)); --address
|
| 1489 |
|
|
ELSE
|
| 1490 |
|
|
IF ind <= SecSiSize THEN
|
| 1491 |
|
|
SecSi(ind) := h(buf(1 TO 2));
|
| 1492 |
|
|
ind := ind + 1;
|
| 1493 |
|
|
END IF;
|
| 1494 |
|
|
END IF;
|
| 1495 |
|
|
END LOOP;
|
| 1496 |
|
|
END IF;
|
| 1497 |
|
|
|
| 1498 |
|
|
--- Memory Preload
|
| 1499 |
|
|
IF (mem_file /= "none" ) THEN
|
| 1500 |
|
|
ind := 0;
|
| 1501 |
|
|
Mem := (OTHERS => (OTHERS => MaxData));
|
| 1502 |
|
|
-- load sector 0
|
| 1503 |
|
|
WHILE (not ENDFILE (mem_f)) LOOP
|
| 1504 |
|
|
READLINE (mem_f, buf);
|
| 1505 |
|
|
IF buf(1) = '/' THEN
|
| 1506 |
|
|
NEXT;
|
| 1507 |
|
|
ELSIF buf(1) = '@' THEN
|
| 1508 |
|
|
ind := h(buf(2 to 5)); --address
|
| 1509 |
|
|
ELSE
|
| 1510 |
|
|
IF ind <= SecSize THEN
|
| 1511 |
|
|
Mem(0)(ind) := h(buf(1 to 2));
|
| 1512 |
|
|
ind := ind + 1;
|
| 1513 |
|
|
END IF;
|
| 1514 |
|
|
END IF;
|
| 1515 |
|
|
END LOOP;
|
| 1516 |
|
|
-- load other sectors
|
| 1517 |
|
|
FOR i IN 1 TO SecNum LOOP
|
| 1518 |
|
|
Mem(i) := Mem(0);
|
| 1519 |
|
|
END LOOP;
|
| 1520 |
|
|
END IF;
|
| 1521 |
|
|
|
| 1522 |
|
|
END IF;
|
| 1523 |
|
|
-----------------------------------------------------------------------
|
| 1524 |
|
|
--CFI array data / AM29LV640MH90R !!! DEVICE SPECIFIC
|
| 1525 |
|
|
-----------------------------------------------------------------------
|
| 1526 |
|
|
--CFI query identification string
|
| 1527 |
|
|
-- !!!!!! WORD ADDRESSES (x16) - for x8 addressing double addr
|
| 1528 |
|
|
--CFI query identification string
|
| 1529 |
|
|
CFI_array(16#10#) := 16#51#;
|
| 1530 |
|
|
CFI_array(16#11#) := 16#52#;
|
| 1531 |
|
|
CFI_array(16#12#) := 16#59#;
|
| 1532 |
|
|
CFI_array(16#13#) := 16#02#;
|
| 1533 |
|
|
CFI_array(16#14#) := 16#00#;
|
| 1534 |
|
|
CFI_array(16#15#) := 16#40#;
|
| 1535 |
|
|
CFI_array(16#16#) := 16#00#;
|
| 1536 |
|
|
CFI_array(16#17#) := 16#00#;
|
| 1537 |
|
|
CFI_array(16#18#) := 16#00#;
|
| 1538 |
|
|
CFI_array(16#19#) := 16#00#;
|
| 1539 |
|
|
CFI_array(16#1A#) := 16#00#;
|
| 1540 |
|
|
--system interface string
|
| 1541 |
|
|
CFI_array(16#1B#) := 16#27#;
|
| 1542 |
|
|
CFI_array(16#1C#) := 16#36#;
|
| 1543 |
|
|
CFI_array(16#1D#) := 16#00#;
|
| 1544 |
|
|
CFI_array(16#1E#) := 16#00#;
|
| 1545 |
|
|
CFI_array(16#1F#) := 16#07#;
|
| 1546 |
|
|
CFI_array(16#20#) := 16#07#;
|
| 1547 |
|
|
CFI_array(16#21#) := 16#0A#;
|
| 1548 |
|
|
CFI_array(16#22#) := 16#00#;
|
| 1549 |
|
|
CFI_array(16#23#) := 16#01#;
|
| 1550 |
|
|
CFI_array(16#24#) := 16#05#;
|
| 1551 |
|
|
CFI_array(16#25#) := 16#04#;
|
| 1552 |
|
|
CFI_array(16#26#) := 16#00#;
|
| 1553 |
|
|
--device geometry definition
|
| 1554 |
|
|
CFI_array(16#27#) := 16#17#;
|
| 1555 |
|
|
CFI_array(16#28#) := 16#02#;
|
| 1556 |
|
|
CFI_array(16#29#) := 16#00#;
|
| 1557 |
|
|
CFI_array(16#2A#) := 16#05#;
|
| 1558 |
|
|
CFI_array(16#2B#) := 16#00#;
|
| 1559 |
|
|
CFI_array(16#2C#) := 16#01#;
|
| 1560 |
|
|
CFI_array(16#2D#) := 16#7F#;
|
| 1561 |
|
|
CFI_array(16#2E#) := 16#00#;
|
| 1562 |
|
|
CFI_array(16#2F#) := 16#00#;
|
| 1563 |
|
|
CFI_array(16#30#) := 16#01#;
|
| 1564 |
|
|
CFI_array(16#31#) := 16#00#;
|
| 1565 |
|
|
CFI_array(16#32#) := 16#00#;
|
| 1566 |
|
|
CFI_array(16#33#) := 16#00#;
|
| 1567 |
|
|
CFI_array(16#34#) := 16#00#;
|
| 1568 |
|
|
CFI_array(16#35#) := 16#00#;
|
| 1569 |
|
|
CFI_array(16#36#) := 16#00#;
|
| 1570 |
|
|
CFI_array(16#37#) := 16#00#;
|
| 1571 |
|
|
CFI_array(16#38#) := 16#00#;
|
| 1572 |
|
|
CFI_array(16#39#) := 16#00#;
|
| 1573 |
|
|
CFI_array(16#3A#) := 16#00#;
|
| 1574 |
|
|
CFI_array(16#3B#) := 16#00#;
|
| 1575 |
|
|
CFI_array(16#3C#) := 16#00#;
|
| 1576 |
|
|
--primary vendor-specific extended query
|
| 1577 |
|
|
CFI_array(16#40#) := 16#50#;
|
| 1578 |
|
|
CFI_array(16#41#) := 16#52#;
|
| 1579 |
|
|
CFI_array(16#42#) := 16#49#;
|
| 1580 |
|
|
CFI_array(16#43#) := 16#31#;
|
| 1581 |
|
|
CFI_array(16#44#) := 16#33#;
|
| 1582 |
|
|
CFI_array(16#45#) := 16#08#;
|
| 1583 |
|
|
CFI_array(16#46#) := 16#02#;
|
| 1584 |
|
|
CFI_array(16#47#) := 16#01#;
|
| 1585 |
|
|
CFI_array(16#48#) := 16#01#;
|
| 1586 |
|
|
CFI_array(16#49#) := 16#04#;
|
| 1587 |
|
|
CFI_array(16#4A#) := 16#00#;
|
| 1588 |
|
|
CFI_array(16#4B#) := 16#00#;
|
| 1589 |
|
|
CFI_array(16#4C#) := 16#01#;
|
| 1590 |
|
|
CFI_array(16#4D#) := 16#B5#;
|
| 1591 |
|
|
CFI_array(16#4E#) := 16#C5#;
|
| 1592 |
|
|
IF TimingModel(11) = 'L' THEN
|
| 1593 |
|
|
CFI_array(16#4F#) := 16#04#;
|
| 1594 |
|
|
ELSE
|
| 1595 |
|
|
CFI_array(16#4F#) := 16#05#; --uniform sectors top protect
|
| 1596 |
|
|
END IF;
|
| 1597 |
|
|
CFI_array(16#50#) := 16#01#;
|
| 1598 |
|
|
|
| 1599 |
|
|
WAIT;
|
| 1600 |
|
|
|
| 1601 |
|
|
END PROCESS default;
|
| 1602 |
|
|
|
| 1603 |
|
|
|
| 1604 |
|
|
|
| 1605 |
|
|
END vhdl_behavioral;
|
| 1606 |
|
|
|
