DaVinci™ Video Processors

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DaVinci™ Video Processors

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  • Forum Post: Re: Kernel boot issue on DM814x EVM

    Jon S.
    I've been running into the same exact problems described here (and a few other threads) with the EZSDK 5.03.01.15. I simply tried to rebuild the kernel with inotify support, and then wound up with the error about an invalid syslink.ko. At that point, attempting to run 'make linux_install syslink...
    on Feb 24, 2012

  • Forum Post: Re: add v4l2 driver in 8148 EVM

    jianxun zhan
    Shah, Thanks for the very quick response. I think i have 512MB board. I change my u-boot argument,but result is same! The bootargs are: bootfile=uImage-dm814x-evm.bin bootargs=console=ttyO0,115200n8 rootwait rw mem=256M earlyprintk notifyk.vpssm3_ sva=0x8DB00000 vram=50M ti814xfb.vram=0:16M...
    on Mar 1, 2012

  • Forum Post: how to change uart0 working mode?

    Jun_Zhang
    Greetings, UART0 enabled by default and currently used as the consloe window for the target. However, in our case of application, we will use ssh to talk with the board and try to connect the UART0 to the RS232 of a TV . Could anyone point me out how to change the default working mode of...
    on Mar 7, 2012

  • Forum Post: TI8148 HDVPSS RGB bayer CMOS capture

    Yeng Yu
    Hi All, I am having customized board based on Ti8148 processor, 2 CMOS cameras connected to VIN0 and VIN1 with external HSYNC and VSYNC, PIXCLK, I am following http://processors.wiki.ti.com/index.php/TI81XX_Video_Capture_Driver_User_Guide release note and have following Software version, DM814x...
    on Mar 13, 2012

  • Forum Post: problems with insmod vpss.ko

    Alexander Vasiljev
    Hi. We have bought 8148EVM (PG2.1, DDR3:2 x 512M). The evaluation module works well with the box-in-ed sdcard. Then i download ezsdk v5.03.01. But it didn't work, because the board has 512M. So i had done the folling actions: 1) downloaded PSP-04.01.00.07; 2) changed u-boot: ...
    on Mar 16, 2012

  • Forum Post: cannot run multimedia demos from matrix application with psp 04.01.00.07

    Alexander Vasiljev
    Hi. I have evaluation module from Mistral with DDR3 2x512M. I try to use psp 04.01.00.07. Now i can run Matrix Application, but multimedia demos and 3D graphics don't run. When i click "run", the following message apeares on the console: VPSS_GRPX : please open fb1 node first. Assertion...
    on Mar 19, 2012

  • Forum Post: Re: Why custom DM8148 board booting stops？

    Jun_Zhang
    Hi David, Glad to hear that you can load the kernel at least right now. I have not solved this issues, just wondering which file you modified to proceed? We are thinking this might be caused by the DDR3 memory. And one of our engineers is working on this. I will let you know if we make any progress...
    on Mar 27, 2012

  • Forum Post: trying to use Linux gpio_xxxx functions

    Stephen Turner
    Hi I'm trying to use the gpio functions referenced here: http://processors.wiki.ti.com/index.php/GPIO_Driver_Guide under Linux on a DM8148. However, the compiler can't seem to find <linux/gpio.h>. Does this functionality exist on the DM8148?. -steve
    on Apr 5, 2012

  • Forum Post: DM8148 TRM - error in description of CM_CLKOUT_CTL[CLKOUTDIV]

    EliotBlennerhassett
    Re "SPRUGZ8A 14 November 2011 – Revised February 2012" 2.9.3.1 CM_CLKOUT_CTRL, page 535 This field controls the external clock divison factor of the CLKOUT Second Pin CLKOUT2 0 = DIV1 : SYS_CLKOUT/1 1 = DIV2 : SYS_CLKOUT/2 2 = DIV4 : SYS_CLKOUT/4 3 = DIV8 : SYS_CLKOUT/8 4 = DIV16...
    on Apr 4, 2012

  • Forum Post: cannot do V4L2 video capture after applying patches

    Jun_Zhang
    Greetings, I have a custom board with a ITE HDMI receiver. My sdk is latest one v5.03.01 I am trying to the video capture with v4l2 drivers. What I have did is: (1) Applying sub_devices_calls_removed.patch and make_select_decoder.patch (2) comment following codes in ti81xxin_main.c...
    on Apr 16, 2012

  • Forum Post: Building Syslink linux/sysbios6 example application from the command line outside the syslink source tree (on DM8148 EVM)

    Delio Brignoli
    Hello, Before going ahead and developing a syslink application I have been trying to build a working example application (messageQ in my case) from a directory outside the Syslink source tree. I tried copying the original example application to a different location and using modified makefiles from...
    on Feb 9, 2012

  • Forum Post: IEEE 802.1D & IEEE 802.1Q Linux Driver Support for DM8148 & AM387x

    Gary Cochran
    Do the Ethernet 3PSW drivers in the Linux SDK for DM8148 and AM387x support IEEE 802.1D and/or IEEE 802.1Q bridging standards, or portions of those standards? If so, what are the specific APIs to this functionality?
    on May 25, 2012

  • Forum Post: RE: Incorrect pinmux modes reported by sysfs/debugfs?

    Jon S.
    Hi Anil, I'm now trying to do some prototyping with I2C-dev (linux/Documentation/i2c/dev-interface), and seem to be having some additional problem with the pinmux settings for I2C3 on AH6 and AG6 (i.e., setting dcan0_tx=>i2c3_sda_mux1 and dcan0_rx=>i2c3_scl_mux1). Here are my bootargs from...
    on Jun 14, 2012

  • Forum Post: Cannot run DDR3_slave_ratio_search

    Alexander Vasiljev
    Hi. On our custom 8148 board we have two 512MB DDR's with 16 bit data bus on each emif. Now we can run u-boot on it. But linux doesn't boot. (However the same kernel is booting on the evm.) So now i try to make software leveling of DDR3 in hope that it can help. But i cannot run DDR3_slave_ratio_search_auto...
    on Jul 23, 2012

  • Forum Post: DM8148 EVM PCIe test

    FF
    has anybody tested the PCIe port with an of the shelf PCIe card? I know there is a diagnostic test from Mistral that sends and receives a few packet but one of my customer struggling with a real PCIe application! thanks F
    on Dec 6, 2011

  • Forum Post: Incorrect pinmux modes reported by sysfs/debugfs?

    Jon S.
    I'm currently working with the DM8148EVM & EZSDK 5.03.01.15. I've enabled the userspace GPIO access (/sys/class/gpio) and have been using the debugfs facilities (/sys/kernel/debug/omap_mux & /sys/kernel/debug/gpio) to double check pin muxing and GPIO states. I'm a bit confused...
    on Mar 1, 2012

  • Forum Post: encode video with gstreamer

    Alexander Vasiljev
    Hi. Our next goal is to encode video. Gstreamer seems to be the most suitable for us. I try to use the following pipeline, but with no luck. root@dm814x-evm:~# gst-launch -v videotestsrc ! 'video/x-raw-yuv, width=1920, he ight=1080, format=(fourcc){NV12}, framerate=30/1' ! omx_h264enc ! 'video...
    on Nov 29, 2012

  • Forum Post: Why custom DM8148 board booting stops？

    Jun_Zhang
    Grettings, We have a custom dm8148 board and try to let it board from SD card. The booting passed the uboot but when loading the linux kernel it will stop at " NOR: Can't request GPMC CS". (Please see below) Any one knows why stop here? U-Boot 2010.06 (Dec 09 2011 - 17...
    on Mar 21, 2012

  • Forum Post: Access Boot Tracing Vector Registers in Linux

    Frank Jenner
    Our product has the ability to boot from one of multiple possible boot media for a given BTMODE setting. Regardless of which medium is used, the kernel and rootfs will be identical, and we will need a way to determine which boot path was taken from within a user-mode Linux application. It seem that...
    on Feb 5, 2013

  • Forum Post: Enabling LINUX_MEM_2 with EZSDK 5.03.01.15

    Jon S.
    Hi all, I've been following the instructions over on the EZSDK Memory Map page in an attempt to enable the use of the LINUX_MEM_2 region of RAM, but I am still running into the "vmap allocation" error described in the above link when attempting to run the EZSDK's Multimedia Demos...
    on Feb 9, 2012

  • Forum Post: In DM814X, while running application causes ioremap() error?

    AmirthaRaj
    Hi All, when we try to run an application in dm8148, we face this error, Please let us know what cause this error? BUG: Your driver calls ioremap() on system memory. This leads to architecturally unpredictable behaviour on ARMv6+, and ioremap() will fail in the next kernel release. Please...
    on Mar 5, 2013

  • Forum Post: Three mmc's on 8148

    Alexander Vasiljev
    Hi. The configuration on our 8148 board is mmc0 - wlan, mmc1 - sd-card, mmc2 - sd card. We start working with wlan recently and it still doesn't work. Before it we didn't even configure board to use 3 mmc. We used only mmc1 and mmc2 and they worked well. But now mmc2 permanently fails with...
    on Nov 19, 2012

  • Forum Post: HDMI I2C

    Markus Hofstaetter
    Hi there, we have question. We have a custom DM8148 module on top a Q7 carrier board. We set the PINMUX to the required settings omap_mux_init_signal("vout1_g_y_yc2.hdmi_ddc_scl_mux1", TI814X_PULL_UP | TI814X_INPUT_EN); omap_mux_init_signal("vout1_r_cr3.hdmi_ddc_sda_mux1", TI814X_PULL_UP...
    on Apr 12, 2013

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