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OMAP L138
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  • Forum Post: OMAP L138 example leveraging the DSP for audio processing

    Arnie Reynoso
    An example application using DSP-side audio drivers running concurrently with a Linux application on the ARM core is available at: http://software-dl.ti.com/dsps/dsps_public_sw/apps_processors/Audio_soc_example/1_00/index_FDS.html Detailed information regarding the example application can be found...
    on Mar 15, 2010

  • Forum Post: [OMAP-L138]Is there any example for VPIF displaying a saved image?

    Seyoung Park
    Hello I want that 'OMAP-L138EVM' will be enable to display the graphical data which is not captured. Could you introduce to me some example(working on either linux or DSP/BIOS)for that? And, I hope to know that using frame buffer with VPIF on OMAP-L138 is possible. Thank you. Regards...
    on Mar 30, 2010

  • Forum Post: Re: How many hubs (in depth) will USB0 on the L137 support?

    james whitsett
    We laoded the patch this morning and it worked. Actually it works better than the USB specification. We actually have 6 hubs connected to the USB port and a device a the end of the chain is working. Now the cables between hubs is only 8 inches, but at least our concept seems like it will work. There...
    on Apr 8, 2010

  • Forum Post: Trying to use UBI with OMAPL138

    Marc-Andre Hebert
    Hello, I am trying to use UBI on top the NAND on the OMAPL138. But I am having problems. I am currently using TFTP and NFS to boot from the network. I enabled UBI and UBIFS in the kernel and cross compiled the ubi user tools. I then try to follow the steps from the ubifs FAQ. Here are the mtd devices...
    on Apr 21, 2010

  • Forum Post: Re: OMAP-L138 Linuxutils questions

    Martin Ambrose
    Rob, Robert Tivy Pushing Linux Utils kernel modules to the Davinci mainline will certainly run into resistance from the kernel maintainers. They would argue against the need for it altogether, and it would need to conform to Linux coding standards. I'm not suggesting you fight that fight, just...
    on May 10, 2010

  • Forum Post: L138 Experimenter not booting the kernel

    Ian Guest49803
    Hi I had a working system till this morning. Now the kernel stops at "..,booting kernel". If I use the kernel on the SPI FLASH - it works. I have also built a clean image based on da850_omapl138_defconfig and it still does not boot. I load my rootfs and uImage via tftp. This is the log:...
    on Jun 1, 2010

  • Forum Post: UBoot Environment Vaiables

    Joe Tijerina
    I'm using Logic PDs OMAP L138 experimenter kit and I'm trying to figure out where the Uboot environment variables are stored. Through an emulation terminal, I set the Uboot environment variables and save these. After doing a 'saveenv' command, a messge is printed saying that the variables...
    on Jul 9, 2010

  • Forum Post: Codec Engine SPHENC1_process failure

    Szymon Kuklinski
    Hello Currently I'm developing an application that uses codec engine. Right now I'm doing something like this: - main() calls CERuntime_init - main creates a pthread and goes to sleep - in pthread i do: - call Engine_open (succeeds) - call SPHENC1_create (succeeds) - call something like...
    on Jul 25, 2010

  • Forum Post: Re: Codec Engine SPHENC1_process failure

    Szymon Kuklinski
    Hi I recompiled DSPLink with --trace=1, compiled and linked my application with the new dsplink.lib loaded new dsplinkk.ko and here's the output: Before select! //MY select() printf Reading bytes!//MY select() printf Read 320 bytes!//MY select() printf @23,822,962us: [+0 T:0x41160490 S:0x4115fbe4...
    on Jul 27, 2010

  • Forum Post: How to use UART0 as debug console in Linux on OMAP L138

    William Young
    Dear All. I have got a customized OMAP L138 board. it use UART0 as debug console(instead of the originall UART2), UART1 & UART2 (COM1 & COM2) as communication interface with external devices. Also I have made a customized u-boot (from DaVinci-PSP-SDK-03.20.00.12), and successfully...
    on Aug 9, 2010

  • Forum Post: Problem booting linux with omapl138 sdram board

    Marc-Andre Hebert
    Hi, I'm working on 2 different OMAPLl138 boards. The first is stuffed with 32MB of mDDR and the second with 16MB of SDRAM. My mDDR board is booting fine but I am having problems with my SDRAM board. To add support for a SDRAM board I added a ARCH_DAVINCI_DA8XX_BASE_DDR or ARCH_DAVINCI_DA8XX_BASE_SDRAM...
    on Aug 23, 2010

  • Forum Post: OMAP-L138 and TI's speech codecs and CE problem

    Szymon Kuklinski
    Hi! While searching for optimized speech codecs for OMAP-L138 i came across this site: http://software-dl.ti.com/dsps/dsps_public_sw/codecs/C64XPlus_Speech/index_FDS.html. Since OMAPS C6748 is compatible with C64+ code i belive I can the codecs and run them remotely through my Linux application using...
    on Aug 30, 2010

  • Forum Post: Virtual to physical addres translation in kernel space

    Szymon Kuklinski
    Hi I would like to know how to translate virtual addresses returned by LDRV_POOL_alloc to physical ones. Using virt_to_phys does not do anything on OMAP-L138 really as the macro hidden behind it is: #define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET) Where both PAGE_OFFSET and PHYS_OFFSET...
    on Sep 13, 2010

  • Forum Post: USB0 problem

    Marc-Andre Hebert
    Hi, I've been having a problem with my USB0 on my omapl138 board using the linux-omapl from the arago staging tree. My USB0 (musb) driver is configured as host only. I can use USB mass storage sticks in both of USB0 and USB1 without any problems (did plenty of both reading and writing). I am...
    on Sep 22, 2010

  • Forum Post: USB WiFi problem on AM17x

    Ryo Suzuki
    I'm trying to use USB WiFi dongle RT3370USB on AM17x. RT3370USB WiFi dongle is mounted on the AM17x evaluation module (EVM), I am monitoring the log data on the PC via RS232C from EVM. I have an initialization problem when I make the dongle awake by ifconfig command. At first I compiled...
    on Sep 30, 2010

  • Forum Post: McASP transmit on a specific AXR pin hangs Linux

    Szymon Kuklinski
    Hello I'm experiencing an unusal problem on my OMAP-L138 system. I'm using McASP for transmitting PCM voice data in my system. MCASP is supplied with an external clock and frame synchronization signal. There are all 16 serializers being used, 8 for transmit and 8 for receive. Serializers are...
    on Oct 26, 2010

  • Forum Post: Disabling UART0 by modifying enabled_uarts flag causes all other UARTs to malfunction

    yy chew
    For my custom project using the OMAP-L138 processor, I will not be using the UART0 and hence, I would like to shut it down. I know that by default, all UARTs are enabled in the beginning and they are only shutdown later if not required. In order to try to reduce the powerup time, I would like to not...
    on Oct 27, 2010

  • Forum Post: Re: McASP transmit on a specific AXR pin hangs Linux

    Szymon Kuklinski
    Hello @ Sekhar Nori: Unfortunately I cannot connect my board to JTAG. I did some more research on my problem however and have some interesting information. The first thing I did was to execute only the most relevant code to take other components of my system from the equation. I did something like...
    on Oct 29, 2010

  • Forum Post: Linux watchdog timer and DSP/BIOS issue

    Szymon Kuklinski
    Hi I'm experiencing a problem when using both watchdog timer and TSK_Sleep function on the DSP on OMAP-L138. Here is a similar problem for OMAP-L137: http://e2e.ti.com/support/embedded/f/355/t/69643.aspx . My problem is a little bit different though. From what I established, DSP/BIOS uses...
    on Nov 17, 2010

  • Forum Post: OMAP-L138 NFS Boot Issue (U-boot env variable "ipaddr" not set)

    smh123
    OMAPL-138 experimenter kit I have followed the directions in the GSG ( http://processors.wiki.ti.com/index.php/GSG:_Setting_up_OMAP-L1/AM1x_Target_File_System#Writing_a_Simple_Program_and_Running_it_on_the_EVM ) and am having some trouble doing an NFS boot. It seems that it has something to do...
    on Nov 24, 2010

  • Forum Post: Re: OMAP-L138 NFS Boot Issue (U-boot env variable "ipaddr" not set)

    Michael T
    scott: ipaddr should be the IP address of the target board. setenv ipaddr 192.168.1.116 Regards, Michael T PS: Please mark this post as answered via the Verify Answer button below if you think it answers your question. Thanks!
    on Nov 24, 2010

  • Forum Post: Re: Configure SD card rootfs without possible corruption

    Michael T
    John: With the AM37x platform you can type halt at the target's serial terminal before powering down and it will shut down the system and unmount MMC. Not sure if same is available on OMAP-L138 platform. Regards, Michael T PS: Please mark this post as answered via the Verify Answer...
    on Nov 30, 2010

  • Forum Post: OMAP-L138 NAND_ECC_HW and U-Boot

    Szymon Kuklinski
    Hi I'm a little bit confused about how OMAP-L138 hardware supports 4-bit ECC for NAND devices. NAND device in question is: SAMSUNG K9F2G08UXA - Page Program : (2K + 64)Byte - Block Erase : (128K + 4K)Byte By default, DaVinci-PSP-SDK-03.20.00.06 is configured in terms of NAND ECC as follows...
    on Dec 17, 2010

  • Forum Post: AM1705 PRU UART LINUX Driver

    Jitendra Jagasia
    Hi, Can anyone provide me information regarding PRU UART LINUX Driver for AM1705. Have anyone used PRU LINUX Driver, if you know how to build the Linux driver for PRU can you provide the information regarding it. Regards Jitendra
    on Feb 17, 2011

  • Forum Post: OMAP-L137 EVM UART 2 BOOT MODE tQUERY

    Jitendra Jagasia
    Hi, I have a query regarding OMAP-L137 EVM UART 2 boot mode. I want to use UART 2 serial interface on OMAP-L137 EVM board to flash " UBL" binary file & "UBOOT" binary image in the SPIO Flash. To perform the above given operation, I have set the board in the UART 2 BOOT...
    on Mar 14, 2011
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