ddr_cntl_a.twr

arm控制FPGA的DDR测试代码

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/dqs_int_delay_in2" MAXDELAY = 0.7 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   3.751ns.
--------------------------------------------------------------------------------
Slack:    -3.051ns dqs_int_delay_in2
Error:     3.751ns delay exceeds   0.700ns timing constraint by 3.051ns
From                              To                                 Delay(ns)
Y10.I                             SLICE_X1Y134.G3                       3.473
Y10.I                             SLICE_X1Y135.G3                       3.473
Y10.I                             SLICE_X0Y134.F4                       3.419
Y10.I                             SLICE_X0Y134.G3                       3.439
Y10.I                             SLICE_X0Y135.F3                       3.421
Y10.I                             SLICE_X0Y135.G4                       3.498
Y10.I                             SLICE_X3Y134.G4                       3.735
Y10.I                             SLICE_X3Y135.G4                       3.735
Y10.I                             SLICE_X2Y134.F4                       3.688
Y10.I                             SLICE_X2Y134.G3                       3.751
Y10.I                             SLICE_X2Y135.F3                       3.733
Y10.I                             SLICE_X2Y135.G3                       3.751

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/dqs_int_delay_in1" MAXDELAY = 0.7 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   3.777ns.
--------------------------------------------------------------------------------
Slack:    -3.077ns dqs_int_delay_in1
Error:     3.777ns delay exceeds   0.700ns timing constraint by 3.077ns
From                              To                                 Delay(ns)
AC3.I                             SLICE_X1Y117.G3                       3.483
AC3.I                             SLICE_X1Y116.G3                       3.483
AC3.I                             SLICE_X0Y116.F3                       3.463
AC3.I                             SLICE_X0Y116.G3                       3.481
AC3.I                             SLICE_X0Y117.F3                       3.463
AC3.I                             SLICE_X0Y117.G4                       3.495
AC3.I                             SLICE_X3Y117.G4                       3.777
AC3.I                             SLICE_X3Y116.G4                       3.777
AC3.I                             SLICE_X2Y116.F4                       3.697
AC3.I                             SLICE_X2Y116.G3                       3.741
AC3.I                             SLICE_X2Y117.F3                       3.743
AC3.I                             SLICE_X2Y117.G3                       3.761

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/dqs_int_delay_in0" MAXDELAY = 0.7 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   3.848ns.
--------------------------------------------------------------------------------
Slack:    -3.148ns dqs_int_delay_in0
Error:     3.848ns delay exceeds   0.700ns timing constraint by 3.148ns
From                              To                                 Delay(ns)
AE5.I                             SLICE_X1Y102.G4                       3.737
AE5.I                             SLICE_X1Y103.G4                       3.737
AE5.I                             SLICE_X0Y102.F4                       3.498
AE5.I                             SLICE_X0Y102.G4                       3.577
AE5.I                             SLICE_X0Y103.F4                       3.498
AE5.I                             SLICE_X0Y103.G4                       3.577
AE5.I                             SLICE_X3Y102.G3                       3.848
AE5.I                             SLICE_X3Y103.G3                       3.848
AE5.I                             SLICE_X2Y102.F4                       3.797
AE5.I                             SLICE_X2Y102.G3                       3.838
AE5.I                             SLICE_X2Y103.F4                       3.786
AE5.I                             SLICE_X2Y103.G3                       3.838

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/write_en_val" MAXDELAY = 4.2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   4.009ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "cntrl0_rst_dqs_div_in" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.000ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/dqs_div_rst" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.948ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/rst_dqs_div_int" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.326ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "cntrl0_rst_dqs_div_out" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.000ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_00_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.036ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_00_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.834ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_00_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.000ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_00_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.393ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_01_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.765ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_01_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.902ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_01_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.065ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_01_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.080ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col1/delay5"
        MAXDELAY = 0.16 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col1/delay3"
        MAXDELAY = 0.16 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col1/delay4"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.125ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col1/delay1"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.212ns.
--------------------------------------------------------------------------------
Slack:    -0.052ns delay1
Error:     0.212ns delay exceeds   0.160ns timing constraint by 0.052ns
From                              To                                 Delay(ns)
SLICE_X0Y146.X                    SLICE_X0Y146.G1                       0.212

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col1/delay2"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.296ns.
--------------------------------------------------------------------------------
Slack:    -0.136ns delay2
Error:     0.296ns delay exceeds   0.160ns timing constraint by 0.136ns
From                              To                                 Delay(ns)
SLICE_X0Y146.Y                    SLICE_X1Y146.G1                       0.296

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col0/delay5"
        MAXDELAY = 0.16 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col0/delay3"
        MAXDELAY = 0.16 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col0/delay4"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.315ns.
--------------------------------------------------------------------------------
Slack:    -0.155ns delay4
Error:     0.315ns delay exceeds   0.160ns timing constraint by 0.155ns
From                              To                                 Delay(ns)
SLICE_X2Y147.Y                    SLICE_X3Y147.G4                       0.315

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col0/delay1"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.212ns.
--------------------------------------------------------------------------------
Slack:    -0.052ns delay1
Error:     0.212ns delay exceeds   0.160ns timing constraint by 0.052ns
From                              To                                 Delay(ns)
SLICE_X2Y146.X                    SLICE_X2Y146.G1                       0.212

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay3_col0/delay2"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.296ns.
--------------------------------------------------------------------------------
Slack:    -0.136ns delay2
Error:     0.296ns delay exceeds   0.160ns timing constraint by 0.136ns
From                              To                                 Delay(ns)
SLICE_X2Y146.Y                    SLICE_X3Y146.G1                       0.296