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Altera_Forum
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10 years ago

EDS QSPI programming problem

Hi, i’m using my custom Cyclone V SoC(5cseba5u19i7n) board in combination with QSPI flash (Micron 512Mbit).

I want to program the NOR flash via USB blaster with SoC EDS Command Shell version 15.0.

When I start up the “SoC EDS Command Shell version 15.0”and type “quartus_hps.exe –c 1 –o PV ”.

After programming done ,I get the following

"1.send_access_data() error while accessing DP Register. 2.Debug Port Read Buffer reading failure, read_dp_buff() error while accessing AP Register.3.Failed to READ ACCESS to the Physical Reg. 4. Failed to read MPU Module Reset Register."

I was wondering the JTAG was not nomally working.

Thank you.

3 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    --- Quote Start ---

    Hi, i’m using my custom Cyclone V SoC(5cseba5u19i7n) board in combination with QSPI flash (Micron 512Mbit).

    I want to program the NOR flash via USB blaster with SoC EDS Command Shell version 15.0.

    When I start up the “SoC EDS Command Shell version 15.0”and type “quartus_hps.exe –c 1 –o PV ”.

    After programming done ,I get the following

    "1.send_access_data() error while accessing DP Register. 2.Debug Port Read Buffer reading failure, read_dp_buff() error while accessing AP Register.3.Failed to READ ACCESS to the Physical Reg. 4. Failed to read MPU Module Reset Register."

    I was wondering the JTAG was not nomally working.

    Thank you.

    --- Quote End ---

    I am having the same problem. Have you found a resolution?
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    Have you found an answer to this? I am also having the same issue (5CSEBA4U)

    Except mine says "Failed to release reset register of MPU"