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Altera_Forum's avatar
Altera_Forum
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8 years ago

flash usage

I'm trying to follow the Altera DE2-115 with Linux sample from this link (http://www.alterawiki.com/wiki/linux_with_mmu_on_veek/t-pad#unfortunately.2c_if_you_don.27t_have_veek.2ft-pad_kit.2c_but_you_have_de2-115...).

The first part works but then I get 


$ nios2-flash-programmer --epcs --base=0x0a001800 tPad_Selector.flash --debug
Reading override file "/opt/intelFPGA_lite/16.1/nios2eds/bin/nios2-flash-override.txt"
Using cable "USB-Blaster ", device 1, instance 0x00
Resetting and pausing target processor: 
OK
Processor data bus width is 32 bits
Looking for EPCS registers at address 0x0A001800 (with 32bit alignment)
  Initial values: 0001703A 04C00074 9801483A 9CFFF804 983FFD1E 0000203A
  Not here: reserved fields are non-zero
Looking for EPCS registers at address 0x0A001900 (with 32bit alignment)
  Initial values: 92400237 4A40100C 483FFD26 90000135 92400237 4A40200C
  Not here: reserved fields are non-zero

Can you help me? Why doesn't it work?

12 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    Hi,

    There are few possibilities based on the error message, usually this is due to the flash programmer not able to find the EPCS flash.

    Please check the base address, and make sure the HW connections are OK.
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    What hardware are you using? Is it a DE2-115 or are you simply using that link for reference?

    If it's you own hardware - what EPCS device are you using? And, if necessary, does it have an entry in the nios-flash-override file?

    If you're on a DE2-115 board then I suspect you've specified your base and/or boot addresses wrong when you've configured your Nios. Refer to one of the examples that come with the kit for reference.

    Cheers,

    Alex
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    Yes, it's my own DE2-115 and I'm trying to run Linux. The output from jtagconfig

    $ jtagconfig

    1) USB-Blaster [2-4]

    020F70DD EP3C120/EP4CE115
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    --- Quote Start ---

    Hi,

    There are few possibilities based on the error message, usually this is due to the flash programmer not able to find the EPCS flash.

    Please check the base address, and make sure the HW connections are OK.

    --- Quote End ---

    The HW connections seem OK because jtagconfig reports the connection is there.

    But how can I check the base address? I don't have much more than what is online about DE2-115. I got the actual board but I don't think that I got a CD or any other "reference designs".

    I just want to try and run Linux with it.
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    Download the resource cd from here (http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=139&no=502&partno=4). You may need to register.

    I'm sure the H/W connections are fine - I'm not doubting the jtag connections.

    The base address is specified when you put your Qsys system together and instantiate the EPCS - assuming that's what you've done. Based on the fact you're trying to use 'nios2-flash-programmer' I hope you have a Nios in your system and an EPCS.

    Download the CD and look at some of the examples - there are quite a few you should be able to look for guidance.

    Cheers,

    Alex
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    I don't understand why I constantly must start over and with something else.

    I try both this sample and the other with mmu and Linux and nothing works.

    There is absolutely no sustainability in the releases and nothing works for DE2-115.

    Been trying for weeks and all I could was get some pre-built uClinux running with a shell that had only root access.

    Altera, you don't supply working software.
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    --- Quote Start ---

    Download the resource cd from here (http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=139&no=502&partno=4). You may need to register.

    I'm sure the H/W connections are fine - I'm not doubting the jtag connections.

    The base address is specified when you put your Qsys system together and instantiate the EPCS - assuming that's what you've done. Based on the fact you're trying to use 'nios2-flash-programmer' I hope you have a Nios in your system and an EPCS.

    Download the CD and look at some of the examples - there are quite a few you should be able to look for guidance.

    Cheers,

    Alex

    --- Quote End ---

    I don't need to put together something with Qsys because I use a prebuilt system. It's already loading 

    
Info (209060): Started Programmer operation at Sun Mar 19 02:02:40 2017
Info (209016): Configuring device index 1
Info (209017): Device 1 contains JTAG ID code 0x020F70DD
Info (209007): Configuration succeeded -- 1 device(s) configured
Info (209011): Successfully performed operation(s)
Info (209061): Ended Programmer operation at Sun Mar 19 02:02:46 2017

    I'm trying to run the nios2-flash-programmer and I don't need to start over with something else. 

     nios2-flash-programmer --epcs --base=0x0a001800 tPad_Selector.flash
Using cable "USB-Blaster ", device 1, instance 0x00
Resetting and pausing target processor: 
OK
No EPCS layout data - looking for section 
Unable to use EPCS device
Leaving target processor paused

    What are the possibilities to actually use the example with DE2-115 and not something completely different?
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    debug output 

    
nios2-flash-programmer --debug --epcs --base=0x0a001800 tPad_Selector.flash
Using cable "USB-Blaster ", device 1, instance 0x00
Resetting and pausing target processor: 
OK
Processor data bus width is 32 bits
Looking for EPCS registers at address 0x0A001800 (with 32bit alignment)
  Initial values: 0001703A 04C00074 9801483A 9CFFF804 983FFD1E 0000203A
  Not here: reserved fields are non-zero
Looking for EPCS registers at address 0x0A001900 (with 32bit alignment)
  Initial values: 92400237 4A40100C 483FFD26 90000135 92400237 4A40200C
  Not here: reserved fields are non-zero
Looking for EPCS registers at address 0x0A001A00 (with 32bit alignment)
  Initial values: 108001C4 1004D0FA 002EE03A 003F9C06 002EE03A 003F9506
  Not here: reserved fields are non-zero
Looking for EPCS registers at address 0x0A001B00 (with 32bit alignment)
  Initial values: 00000000 00000000 00000000 00000000 00000000 00000000
  Not here: SPI_SLAVE_SEL has 0 valid bits (should be between 1 and 16)
Looking for EPCS registers at address 0x0A001C00 (with 32bit alignment)
  Initial values: 00000000 00000000 00000260 00000000 00000000 00000001
  Valid registers found
EPCS signature is 0x16
EPCS identifier is 0x010216
No EPCS layout data - looking for section 
Unable to use EPCS device
Leaving target processor paused
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    Can you help me or are you again going to point at a haystack and tell me to look for a needle?

    The examples from Altera with the reference designs are a haystack and it is impossible to find anything relevant.

    Please notice that I'm trying to run one (1) command and program the flash memory.

    How difficult can it get? Will it take me decades?
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    It'll take you decades to get a supportive response, from the people who offer their own time to support this forum, if you continue to create posts like that. Stop moaning.

    The debug output in your latter post contains the info needed for an answer. Add the following lines to your "nios2-flash-override.txt" file in your {QuartusInstalledFolder}\nios2eds\bin folder.
    # EPCS64N(lead-free)
sector_size = 65536
sector_count = 128
    If the file's not there create it.

    Alex