Commit b01dd1bb authored by Andrey Filippov's avatar Andrey Filippov
Browse files

more special cases in PRD length tested

parent e151f409

ahci/ahci_dma.v

+1 −1
Original line number Diff line number Diff line
@@ -447,7 +447,7 @@ module ahci_dma ( 
        

        if      (prd_wr)     qw_datawr_last <= qwcount[21:3] == 0;

///     else if (afi_wvalid) qw_datawr_last <= qw_datawr_burst == 1;        

        else if (afi_wvalid) qw_datawr_last <= (qw_datawr_burst == 1) || (qw_datawr_last && !(|qw_datawr_left[21:3])); // last case - n*16 + 1 (last burst single)       

        else if (afi_wvalid) qw_datawr_last <= (qw_datawr_burst == 1) || (qw_datawr_last && (qw_datawr_left[21:3] == 16)); // last case - n*16 + 1 (last burst single)       

        

        if      (prd_wr)                                                      qw_datawr_burst <= (|qwcount[21:7])? 4'hf: qwcount[6:3];

///     else if (afi_wvalid && qw_datawr_last && (qw_datawr_left[21:7] == 0)) qw_datawr_burst <= qw_datawr_left[6:3]; // if not last roll over to 'hf

tb/tb_ahci.tf

+5 −3
Original line number Diff line number Diff line
@@ -895,9 +895,11 @@ initial begin //Host 
    

    maxigp1_print        (HBA_PORT__PxSSTS__DET__ADDR << 2,"HBA_PORT__PxSSTS__DET__ADDR");

    

    setup_pio_read_identify_command_simple(1); // prdt interrupt for entry 0

//  setup_pio_read_identify_command_simple(1); // prdt interrupt for entry 0

//  setup_pio_read_identify_command_shifted(1); // prdt interrupt for entry 0

//    setup_pio_read_identify_command_multi4(1,27,71,83); // prdt interrupt for entry 0

/// setup_pio_read_identify_command_multi4(1,27,71,83); // prdt interrupt for entry 0

/// setup_pio_read_identify_command_multi4(1,27,64,83); // prdt interrupt for entry 0

    setup_pio_read_identify_command_multi4(1,64,63,64); // prdt interrupt for entry 0

    maxigp1_print        (HBA_PORT__PxCI__CI__ADDR << 2,"HBA_PORT__PxCI__CI__ADDR");

    

    maxigp1_writep       (HBA_PORT__PxIE__PSE__ADDR << 2, HBA_PORT__PxIE__PSE__MASK); // allow PS only interrupts (PIO setup)

tb_ahci_01.sav

+7 −7
Original line number Diff line number Diff line 
[*]

[*] GTKWave Analyzer v3.3.66 (w)1999-2015 BSI

[*] Wed Jan 27 20:13:54 2016

[*] Wed Jan 27 20:37:20 2016

[*]

[dumpfile] "/home/andrey/git/x393_sata/simulation/tb_ahci-20160127131132886.fst"

[dumpfile_mtime] "Wed Jan 27 20:12:01 2016"

[dumpfile_size] 3824547

[dumpfile] "/home/andrey/git/x393_sata/simulation/tb_ahci-20160127133150634.fst"

[dumpfile_mtime] "Wed Jan 27 20:32:21 2016"

[dumpfile_size] 3824683

[savefile] "/home/andrey/git/x393_sata/tb_ahci_01.sav"

[timestart] 24704000

[size] 1823 1180

[timestart] 22094000

[size] 1823 1173

[pos] 1994 0

*-16.995279 25103334 23903334 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

*-19.117058 23716667 23903334 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

[treeopen] tb_ahci.

[treeopen] tb_ahci.dev.phy.

[treeopen] tb_ahci.dut.