tb_pif2wb.vhd

This is is a bridge IP core to interface the Tensilica PIF bus protocol with the OpenCores WishBone.

                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Single Write at Address 0x80000001
                    -- -------------  Current Time:  415ns
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "10000001";
                    PIReqADRS <= "10000000000000000000000000000001";
                    PIReqDATA <= "00000000000000001111111111111111";
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Single Write
                    -- -------------  Current Time:  435ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Single Read at Address 0x80000001
                    -- -------------  Current Time:  475ns
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "00000001";
                    PIReqDATA <= "10000000000000000000000000000000";
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Single Read
                    -- -------------  Current Time:  495ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Block Read. Start Address 0x80000002
                    -- -------------  Current Time:  575ns   Number of Transfers 2
                    WAIT FOR 80 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "00010001";
                    PIReqADRS <= "10000000000000000000000000000010";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  595ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqADRS <= "01100000000000000000000110010100";
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  635ns
                    WAIT FOR 40 ns;
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Block Read
                    -- -------------  Current Time:  655ns
                    WAIT FOR 20 ns;
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Block Write. Start Address 0x80000002
                    -- -------------  Current Time:  715ns   Number of Transfers 2
                    WAIT FOR 60 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "10010001";
                    PIReqADRS <= "10000000000000000000000000000010";
                    PIReqDATA <= "00000000000000001111111111111111";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  735ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  775ns
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqDATA <= "00000000000000001111000011110000";
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Block Write
                    -- -------------  Current Time:  795ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqADRS <= "01100000000000000000000110010100";
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Block Read. Start Address 0x80000002
                    -- -------------  Current Time:  915ns   Number of Transfers 2
                    WAIT FOR 120 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "00010001";
                    PIReqADRS <= "10000000000000000000000000000010";
                    PIReqDATA <= "10000000000000000000000000000000";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  935ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1055ns
                    WAIT FOR 120 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "10010011";
                    PIReqDATA <= "00000000000000000000000000001111";
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Block Read
                    -- -------------  Current Time:  1075ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Block Write. Start Address 0x80000002
                    -- -------------  Current Time:  1115ns  Number of Transfers 4
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqDATA <= "00000000000000000000000011110000";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  1135ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1175ns
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqDATA <= "00000000000000000000111100000000";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  1195ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1235ns
                    WAIT FOR 40 ns;
                    PIReqVALID <= '1';
                    PIReqDATA <= "00000000000000001111000000000000";
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Block Write
                    -- -------------  Current Time:  1255ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- Block Read. Start Address 0x80000002
                    -- -------------  Current Time:  1335ns  Number of Transfers 4
                    WAIT FOR 80 ns;
                    PIReqVALID <= '1';
                    PIReqCNTL <= "00010011";
                    PIReqDATA <= "10000000000000000000000000001111";
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  1355ns
                    WAIT FOR 20 ns;
                    PIReqVALID <= '0';
                    PIReqCNTL <= "11111111";
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1395ns
                    WAIT FOR 40 ns;
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  1415ns
                    WAIT FOR 20 ns;
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1455ns
                    WAIT FOR 40 ns;
                    PIReqDataBE <= "1111";
                    -- -------------------------------------
                    -- -------------  Current Time:  1475ns
                    WAIT FOR 20 ns;
                    PIReqDataBE <= "0000";
                    -- -------------------------------------
                    -- -------------  Current Time:  1515ns
                    WAIT FOR 40 ns;
                    PIReqDataBE <= "1111";
                    -- ------------------------------------- End of Block Read
                    -- -------------  Current Time:  1535ns
                    WAIT FOR 20 ns;
                    PIReqDataBE <= "0000";
                    -- ------------------------------------- End of Testbench
                    WAIT FOR 505 ns;

                END PROCESS;

        END testbench_arch;