On 9/17/2015 8:43 AM, Marcos Díaz wrote:
Yes, in my case the older (that doesn't work) revision is a
XAM3359AZCZ100

And the rev C (that works well with cache) is
AM3358BZCZ100

Can we determine that in software?

On Thu, Sep 17, 2015 at 10:32 AM, Joel Sherrill <joel.sherr...@oarcorp.com 
<mailto:joel.sherr...@oarcorp.com>> wrote:



    On September 17, 2015 8:26:41 AM CDT, "Marcos Díaz" 
<marcos.d...@tallertechnologies.com <mailto:marcos.d...@tallertechnologies.com>> wrote:
    >Hi,
    >
    >How did you see the revision number? if you are using u-boot you can
    >pause the start and write printenv and enter to see that:
    >
    >
    >board=am335x
    >board_name=A335BNLT
    >board_rev=00C0
    >
    >
    >This is in my version.
    >
    >Please tell me so I can check if is the revision, or perhaps is
    >something else in u-boot initialization.
    >
    >
    >For the question Joel asked there is a way:
    >
    
>http://dumb-looks-free.blogspot.com.ar/2014/05/beaglebone-black-bbb-revision-serial.html
    >
    >apparently, in the eeprom thorugh i2c it is recorded. But first we must
    >confirm that is a problem from the revisions, since Ragu has the
    >problem in a rev C.

    Does the SoC itself have a revision number we can read? It may be that 
newer boards have a newer CPU.

     >Greetings
     >
     >
     >On Wed, Sep 16, 2015 at 7:22 PM, Joel Sherrill
     ><joel.sherr...@oarcorp.com <mailto:joel.sherr...@oarcorp.com>> wrote:
     >
     >
     >
     >On 9/16/2015 2:41 PM, ragu nath wrote:
     >
     >Hi Marcos,
     >
     >Great news! I did not  find any solution to the issue. I have a REV C
     >board from element14. Is this the same board you are using?  In my
     >board I saw the issue.
     >
     >Does this have anything to do with the patch you submitted [PATCH]
     >Beaglebone: fix missing clobber in inline assembly.
     >https://lists.rtems.org/pipermail/devel/2015-September/012531.html
     >I have not yet tested with this patch.
     >
     >The freebsd driver is working with cache disabled.  If possible pls
     >check if it is working with cache enabled in your board.
     >
     >
     >If this is a board revision related issue, is there a way
     >programmatically to
     >know which revision the board is? That way the BSP could auto-detect
     >the right
     >thing to do. Otherwise, we may be looking at a BSP variant or a build
     >option.
     >I would rather avoid those if we can auto-detect.
     >
     >--joel
     >
     >
     >Thanks,
     >Ragunath
     >
     >
     >On Mon, Sep 14, 2015 at 7:22 PM, Marcos Díaz
     ><marcos.d...@tallertechnologies.com 
<mailto:marcos.d...@tallertechnologies.com>
     ><mailto:marcos.d...@tallertechnologies.com 
<mailto:marcos.d...@tallertechnologies.com>>> wrote:
     >
     >    Hi Ragu,
     >I wanted to know if you were able to see something else about the
     >problem we had in the BBB when using LWIP and enabling cache ( the
     >program freezes).
     >I can tell you that here we were using BBB rev. A5C and had this
     >problem, but now we could test this with a BBB Rev C, and it
     >successfully works with cache enabled (using the same sdcard in both
     >boards, one works and the other doesn't).
     >    Greetings
     >
     >    --
     >
     >    ______________________________
     >
     >    <http://www.tallertechnologies.com>
     >
     >    *
     >    *
     >
     >    Marcos Díaz
     >
     >    Software Engineer
     >
     >    *
     >    *
     >
     >    San Lorenzo 47, 3rd Floor, Office 5
     >
     >    Córdoba, Argentina
     >
     >    *
     >    *
     >
     >    Phone:+54 351 4217888 / +54 351 4218211/ +54 351 7617452
     >
     >    Skype:markdiaz22
     >
     >
     >
     >
     >
     >--
     >ragu
     >
     >
     >--
     >Joel Sherrill, Ph.D.             Director of Research & Development
     >joel.sherr...@oarcorp.com        On-Line Applications Research
     >Ask me about RTEMS: a free RTOS  Huntsville AL 35805
     >Support Available                (256) 722-9985
     >
     >
     >
     >
     >--
     >
     >______________________________
     >
     >
     >
     >
     >Marcos Díaz
     >
     >Software Engineer
     >
     >
     >San Lorenzo 47, 3rd Floor, Office 5
     >
     >Córdoba, Argentina
     >
     >
     >Phone: +54 351 4217888 / +54 351 4218211/ +54 351 7617452
     >
     >Skype: markdiaz22

    --joel




--

______________________________

<http://www.tallertechnologies.com>

*
*

Marcos Díaz

Software Engineer

*
*

San Lorenzo 47, 3rd Floor, Office 5

Córdoba, Argentina

*
*

Phone:+54 351 4217888 / +54 351 4218211/ +54 351 7617452

Skype:markdiaz22



--
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherr...@oarcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985
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