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Questions tagged [omap]

OMAP is a product line of "system on chips" developed by Texas Instruments.

OMAP is a family of system on chips (SoC's) developed by Texas Instruments. OMAP stands for Open Multimedia Application Platform and is designed portable multimedia applications. Generally an OMAP SoC includes a ARM processor and and at least one co-processor. Notable products using an OMAP processor include the Motorola Droid, Droid X and Palm Pre.

The official Texas Instruements website for OMAP can be found here.

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omap3 gpmc config in linux

Is it possible to change configuration of a OMAP3 gpmc after boot-up on linux? I am writing a driver for a device that use the OMAP3 gpmc bus. We would prefer to be able to load the driver only when needed. Would linux allow it, since the GPMC…
Thierry
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Additional static array breaks the DSP application on omapl138 target (ccs5.2)

I'm working with OMAPl138 lcdk and I have a basic application for audio processing (some filtering + equalizering, nothing special). Due to historical reasons I have a lot of static and global data declared, variables, arrays and…
Dmitry
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OpenGL ES 2.0 on SGX540 OpenGL Offscreen PIXMAP Support

On the DM370 ( TI OMAP 3 ) with the Imagination Technologies PowerVR SGX 530 I was able to use the following code to initialize my EglSurface using CMEM and PIXMAP offscreen surfaces: // Index to bind the attributes to vertex shaders #define…
PhilBot
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What is RCE protocol?

I tried to search online but there is not direct resource introducing what is the RCE protocol. I encountered this term while dealing with OMAP kernel flashing. Anyone can explain to me or best if could paste me some useful link so that I could…
Chun Meng Tan
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Omap3 defconfig missing

I wanted to cross compile kernel for Beaglebone Omap3 but I could not find the Omap3 defconfig at arch/arm/configs. Can anyone point me out which defconfig I need to use to get Beaglebone Omap3 kernel compile ?
Manish Tiwari
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How can i check if a specific physical address gets written to on ARM, LINUX?

I'm currently trying to develop an expansion board for BeagleBoard-xM, and an unusual bug came to my attention: This board has a PINMUX which is being managed by pinctrl-single, which reports me, that the MUX i set up in my device tree works as…
Gergő Horváth
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Cortex- A8(OMAP3515) : Data abort while accessing external ram when D-cache is enabled

I am using Omap3515 (Arm Cortex A8). Enabled I-Cache, D-Cache, Branch Prediction and MMU. And also I am getting a data abort, if I try to copy a frame buffer of 600KB from an external memory region to another external memory region. (If I copy 100KB…
Krish
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Inserting a linux module on TI OMAP 3530 for older file system

Where can I download the OMAP 3530 file system for kernel version #2.6.31-rc7-omap1-06331-g757f531 or how can I create one from the source? File System provided by TI is for kernel version is 2.6.29-rc3-omap1. (based on /lib/modules/). I built new…
Frank Coool
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Spi interrupt handler works when a printf() is used

I am trying to initiate a spi communication between an omap processor an sam4l one. I have configured spi protocol and omap is the master. Now what I see is the test data I am sending is correctly reaching on sam4l and I can see the isr is printing…
Nikhil Chaubey
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Issue loading kernel (uimage) for omap 3530 using tftp

I am trying to load uImage and filesystem using tftpboot/nfs. However, I am having the following issue. In my uboot I have following settings: bootargs=mem=128M ip=dhcp noinitrd console=ttyS0,115200n8 root=/dev/nfs…
Frank Coool
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"Kernel panic" in loading and devtmpfs mounting error into craneboard(am3517_crane)

I've compiled inserted MLO and uboot.img file into MMC card and now trying to load "rootfs".there is problem in loading.Following are lines at the end of LOG..: kjournald starting. Commit interval 5 seconds EXT3-fs (mmcblk0p2): using internal…
RDX
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Cross Compile GMP and Openswan for ARM on Ubuntu 12.04 32 Bit

I have to cross compile opensawn for a OMAP4 Board and GMP is prerequisite. First I tried it on 64 bit OS but it gave me this error: configure: error: Oops, mp_limb_t is 64 bits, but the assembler code in this configuration expects 32 bits. Then I…
Harsh Vardhan
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Ducati for OMAP5

I'm quite familiar with the Ducati framework for OMAP4. I'd like to know if there is any difference in the Ducati framework for OMAP5. Because, in OMAP4, I had viewed the trace logs - trace0 and trace1. But, in OMAP5, only trace0 is available. There…
Gomu
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Slow replot of a Qwt graph in embedded linux

I'm facing some problems while developing an Qt-based embedded solution for Linux. Basically my application plots a QwtPlot graph with up to 8 QwtPlotCurves attached to it. A QwtPlot::replot() is called each 1 second. Data arrives from a socket…
Momergil
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u-boot spi initialisation in omap3

I was looking into spi driver in u boot , here is a small snippet from omap_spi.c void spi_init(void) { gpMCSPIRegs = (MCSPI_REGS *)MCSPI_SPI1_IO_BASE; unsigned long u, n; /* initialize the multipad and interface clock */ spi_init_spi1(); /*…
mrigendra
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