4.2.3.4 SGDMA—Memory Test

The following instructions describe running Memory Test between PC and DDR3L/DDR4/LSRAM:

  1. Select one of the following options from the Test Selection drop-down list:

    • PC<->DDR3L—to transfer the data from host PC to and from PolarFire DDR3L memory
    • PC<->DDR4—to transfer the data from host PC to and from PolarFire DDR4 memory
  2. Select Transfer Size (4 KB to 1 MB) from the drop-down list.
  3. Select Pattern Selection from the drop-down list—Increment, Decrement, Random, Fill with Zeros, Fill with Ones, Fill with all A’s and Fill with all 5’s.
  4. Click Start. GUI performs the following task:
    • The host PC creates a buffer and initializes the memory
    • Initiates the PC to DDR DMA
    • Erases the PC buffer
    • Initializes the DDR to PC DMA
    • Compares the memory against expected memory

    Memory Test Successful window appears.

  5. Click OK.