Skip to content

Sgs Spinor Debug SOP Manual

REVISION HISTORY

Revision No.
Description
 Date
1.0
  • Initial release
    		•  03/05/2024

    Issue 1. SPI NOR Flash ESTAR Upgrade Failure

    Figure 1-1 SPI NOR Flash ESTAR Failure Troubleshooting Flowchart
    Step Method Exit Condition Next Step Materials Required for SWRD Related FAQ Reference
    A 1. Check if SOC chip has cold solder joints
    2. Check if Flash chip has cold solder joints
    3. Check if Flash voltage matches datasheet specifications
    4. Check if SOC pin and Flash pin waveforms are synchronized    		 Exit Condition 1:
    Hardware circuit re-soldered but ESTAR still fails
    Exit Condition 2:
    ESTAR succeeds    		 Exit Condition 1:
    >B
    Exit Condition 2:
    >End process
    B 1. Check if bin file corresponds to NOR Flash
    2. Check upgrade script    		 Exit Condition 1:
    Bin file is not compiled for NOR Flash
    Exit Condition 2:
    Upgrade script matches reference script    		 Exit Condition 1:
    >Recompile bin file
    Exit Condition 2:
    >C
    C Check error log Exit Condition 1:
    no nri
    Exit Condition 2:
    Log shows write fail
    Exit Condition 3:
    Log shows erase fail    		 Exit Condition 1:
    >D
    Exit Condition 2:
    >E
    Exit Condition 3:
    ==>F
    D Check if cis.bin file contains current Flash information Exit Condition 1:
    cis.bin file does not contain current Flash information
    Exit Condition 2:
    cis.bin file contains current Flash information    		 Exit Condition 1:
    >Add Flash NRI information
    Exit Condition 2:
    >End process, escalate to RD    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    E Check if Flash register write protection bits are set Exit Condition 1:
    Flash register write protection bits are set
    Exit Condition 2:
    Flash register write protection bits are all 0    		 Exit Condition 1:
    >End process, escalate to RD
    Exit Condition 2:
    >G    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    F Check if Flash register write protection bits are set Exit Condition 1:
    Flash register write protection bits are set
    Exit Condition 2:
    Flash register erase fail bit and write protection bits are all 0    		 Exit Condition 1:
    >End process, escalate to RD
    Exit Condition 2:
    >G    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    G Check PAD DRIVING Exit Condition 1:
    Upgrade succeeds after adjusting pad driving
    Exit Condition 2:
    Upgrade fails after adjusting pad driving    		 Exit Condition 1:
    >End process
    Exit Condition 2:
    >End process, escalate to RD    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. BDMA register information
    6. Flash datasheet
    H Check Flash register QE bit Exit Condition 1:
    QE bit is 0
    Exit Condition 2:
    QE bit is 1    		 Exit Condition 1:
    >End process, escalate to RD
    Exit Condition 2:
    >End process, escalate to RD    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. BDMA register information
    6. Flash datasheet

    Issue 2. SPI NOR ISP Tool Programming Boot Failure

    Figure 2-1 SPI NOR ISP Tool Programming Boot Failure
    Step Method Exit Condition Next Step Materials Required for SWRD Related FAQ Reference
    A Check IPL compilation Exit Condition 1:
    Compiled IPL is for NAND option
    Exit Condition 2:
    Compiled IPL option is incorrect    		 Exit Condition 1:
    >B
    Exit Condition 2:
    >Recompile IPL
    B 1. Check if SOC chip has cold solder joints
    2. Check if Flash chip has cold solder joints
    3. Check if Flash voltage matches datasheet specifications
    4. Check if SOC pin and Flash pin waveforms are synchronized    		 Exit Condition 1:
    Hardware confirmed no issues
    Exit Condition 2:
    Hardware issues exist    		 Exit Condition 1:
    >C
    Exit Condition 2:
    >Request CAE rework based on specific hardware issue    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    C Confirm IPL error message type Exit Condition 1:
    SNI initialization succeeds, load IPL_CUST Header directly halts or behavior is inconsistent
    Exit Condition 2:
    Reports no nri
    Exit Condition 3:
    load IPL_CUST check sum fail
    Exit Condition 4:
    Prints E:CD    		 Exit Condition 1:
    >E
    Exit Condition 2:
    >D
    Exit Condition 3:
    >H
    Exit Condition 4:
    >I
    D Check if IPL code size exceeds maximum specification Exit Condition 1:
    IPL size does not exceed maximum limit
    Exit Condition 2:
    IPL size exceeds maximum limit    		 Exit Condition 1:
    >F
    Exit Condition 2:
    >Contact PM to arrange code size reduction
    E Request CAE to capture waveforms using oscilloscope, adjust pad driving based on waveform information Exit Condition 1:
    Boot succeeds after adjusting pad driving
    Exit Condition 2:
    Waveform still marginal after adjusting pad driving    		 Exit Condition 1:
    >End process
    Exit Condition 2:
    >Request CAE rework, add capacitor at Flash pins
    F Check if NRI information includes current Flash Exit Condition 1:
    Includes current Flash
    Exit Condition 2:
    Does not include current Flash    		 Exit Condition 1:
    >G
    Exit Condition 2:
    >Add Flash NRI information per NRI documentation
    G Check if related NRI information in packaged cis file has CRC calculated, send cis.bin file to RD to confirm if CRC exists Exit Condition 1:
    CRC data is empty
    Exit Condition 2:
    CRC data is calculated    		 Exit Condition 1:
    >Check if packaging script uses nrigenerator to calculate SNI CRC
    Exit Condition 2:
    >End process, escalate to RD    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    H Use ISP tool to dump data and check if IPL_CUST data is normal Exit Condition 1:
    Dumped data comparison inconsistent
    Exit Condition 2:
    Dumped data comparison consistent    		 Exit Condition 1:
    >Check if bin file packaging script is correct
    Exit Condition 2:
    >End process, escalate to RD    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet
    I Check print output Exit Condition 1:
    Log prints "E:CD"    		 Exit Condition 1:
    ==>J
    J Use ISP tool to connect Flash, then dump IPL partition data and compare with original bin file Exit Condition 1:
    Data consistent
    Exit Condition 2:
    Data inconsistent    		 Exit Condition 1:
    >Escalate to RD
    Exit Condition 2:
    >Re-program IPL    		 1. Branch information
    2. Build config
    3. Branch information
    4. Reference reproduction procedure
    5. Flash datasheet

    Issue 3. SPI NOR ISP Tool Connection Failure

    Figure 3-1 SPI NOR ISP Tool Connection Failure
    Step Method Exit Condition Next Step Materials Required for SWRD Related FAQ Reference
    A NA Exit Condition 1:
    ISP tool fails to connect Flash    		 Exit Condition 1:
    ==>B
    B Check feedback information from ISP tool during connection Exit Condition 1:
    Red text    		 NA
    C NA Exit Condition 1:
    Connection feedback shows red text    		 Exit Condition 1:
    ==>D
    D Request CAE assistance:
    1. Check if SOC chip has cold solder joints
    2. Check if Flash chip has cold solder joints
    3. Check if Flash voltage matches datasheet specifications
    4. Check if SOC pin and Flash pin waveforms are synchronized
    5. Check if jumper settings match    		 Exit Condition 1:
    Connection still fails
    Exit Condition 2:
    Connection succeeds    		 Exit Condition 1:
    >Escalate to RD for assistance
    Exit Condition 2:
    >End process    		 1. Provide remote environment with LA available, RD will guide waveform capture
    E NA Exit Condition 1:
    ISP tool white window correctly reports Flash ID
    Exit Condition 2:
    ISP tool white window reports incorrect ID    		 Exit Condition 1:
    >F
    Exit Condition 2:
    >G
    F NA Exit Condition 1:
    ISP tool white window correctly reports Flash ID    		 Exit Condition 1:
    ==>H
    G NA Exit Condition 1:
    ISP tool white window reports ID as 0x00    		 Exit Condition 1:
    ==>L & J (check simultaneously)
    H Use SNI editor (available from RD) to open SNI file in tool directory, check if corresponding Flash model exists and verify ID information matches Exit Condition 1:
    No Flash related information
    Exit Condition 2:
    Flash related information exists    		 Exit Condition 1:
    >I
    Exit Condition 2:
    >End process, escalate to RD
    L Close software used for viewing UART log NA NA
    I Add SNI according to SNI manual NA NA
    J Same method as D NA NA