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AM35x-OMAP35x-PSP Release Notes

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Content is no longer maintained and is being kept for reference only!



Content is no longer maintained and is being kept for reference only!

Release Notes

November 27, 2009

Document License

This work is licensed under the Creative Commons Attribution-Share Alike 3.0 United States License. To view a copy of this license, visit or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.


This is Release of OMAP PSP Software Development Kit (SDK). The SDK serves to provide a fundamental software platform for development, deployment and execution of Linux based applications on Texas Instruments AM3517EVM and OMAP3EVM. The Linux kernel and U-Boot software in this release are based on the following open source repositories:

Component Version Base Repository Base Tag (or commit id)
OMAP Linux Kernel 2.6.32-rc5 (Linux kernel version) The baseline was chosen from "pm" branch of;a=shortlog;h=refs/heads/pm 25c7b64bf80176463aa741407318e0e6b21cfd71. History on "pm" branch gets rewritten and hence the commit may not be valid always.
U-Boot 2009.08;a=summary v2009.08

The File system is based on the Arago, version 2009.09.

The codebase for Linux kernel and U-Boot included in this release is also hosted at the following repositories:

Component Repository (Branch) Baseline Tag Release Tag
OMAP Linux Kernel;a=summary (staging) OMAPPSP_03.00.00.03_baseline v2.6.32-rc5_OMAPPSP_03.00.00.03

For detailed information on the various software components included in the release and how to use them, please refer to the User's Guide.

The kernel and U-Boot have been compiled with CodeSourcery GNU Toolchain for ARM Processors 2009-q1-203 based on GCC 4.3.3


The User Guide provides instructions on how to use the PSP SDK package. A copy of the User Guide is included in the docs folder of the SDK package.

The datasheet included in the docs folder of the SDK package provides performance benchmarks on drivers included with the PSP SDK package.

What's Supported

The SDK package supports the following components:

  • U-Boot supporting NAND, MMC boot modes
  • X-loader supporting NAND, MMC boot modes
  • Linux Kernel and device drivers.
    • Audio (McBSP)
    • Video Display (V4L2 and Fbdev)
    • Video Capture (BT656 mode)
    • Video Resizer (Only on OMAP35x)
    • Ethernet
    • MUSB host supporting MSC, HID and USB Audio/Video
    • MUSB gadget supporting File-storage and CDC/RNDIS
    • MUSB OTG supporting HNP/SRP
    • EHCI host supporting MSC, HID(via a HS hub) and USB Audio/Video
    • NAND
    • UART
    • I2C
    • TouchScreen
    • SPI
    • RTC(on AM3517)
    • Keypad(on OMAP35x)
    • CAN - SocketCAN implementation (on AM3517)
    • Power Management ICs (TPS65023 on AM3517, TPS65950 on OMAP35x)
  • Audio and video examples.
  • Pre-built binaries for X-loader, U-Boot, Linux kernel and filesystem.

What's Not Supported

  • Following are not supported:
    • U-boot (OneNand support on OMAP35x)
    • Keypad(on AM3517)
    • NOR support (on AM3517EVM)

Fixed in this Release

Issue Identifier Issue headline
SDOCM00049722 mmap system call fails for Graphics SDK
SDOCM00053364 Video-Display: down scaling is not supported beyond 1/2x even though hardware supports 1/4x scaling
SDOCM00057186 DVI 480P resolution FPS is 71
SDOCM00057615 Power management issues with VRFB rotation
SDOCM00061813 Unexpected prints from display sub system
SDOCM00062554 Video: Modular build is not supported
SDOCM00055622 <USB> MUSB and EHCI doesn't work after system is back from memory suspend state
SDOCM00055683 OMAP35x-System scenario(When Multiple drivers are doing IO simultaneously)-USB data transfers fail with USB reset messages
SDOCM00062544 EHCI: compilation warning with ehci-omap.c
SDOCM00062604 USB EHCI: EHCI port become unusable when Full speed devices along with HS devices are connected via a HS USB hub
SDOCM00062898 EHCI: module insert fails
SDOCM00062962 Audio Loopback failure on ECHI ISO Audio()

Fixed in this Release - OMAP35x

Issue Identifier Issue headline
SDOCM00044584 OMAP35x:Video-Resizer: Kernel hang during resize operation with specific parameters
SDOCM00062550 OMAP35x:OMAP-Resizer: Stack dump occurs on IOMMU buffers
SDOCM00062555 OMAP35x:Capture: Sometimes drivers failes to detect TVP5146 decoder
SDOCM00062979 OMAP35x:Capture: YUYV Format return error;
SDOCM00063646 OMAP35x: DVI Colors are not coming properly
SDOCM00055228 Unable to play 32Kh Audio file
SDOCM00059301 Unable to record in MMAP mode with -v verbose option
SDOCM00061779 Audio drive build failure when configured as module
SDOCM00062534 cpuidle: Usage statistics do not match actuals for OFF states
SDOCM00062536 pm: compile-time warnings in clock34xx.c
SDOCM00063090 The VDD1 voltage does not change if the MPU rate is set to 125MHz

Fixed in this Release - AM3517

Issue Identifier Issue headline
SDOCM00062551 AM3517:OMAP-Display: DVI out is not working at our end <tracking purpose>
SDOCM00062553 AM3517: Capture Driver is recieving multiple fields from CCDC, due to this frames appears to stuck on LCD
SDOCM00062613 AM3517:Capture: control IOCTL's are not supported
SDOCM00062755 AM3517-FS-GADGET: Write from XP is very slow due to print message
SDOCM00062957 Unable to enumerate the USB device connected to MUSB before booting()
SDOCM00062651 AM3517 USB: mplayer exits when tried to stream USB images 320X240 and above
SDOCM00060631 Audio driver disabled in defconfig
SDOCM00062646 Artifacts are present in Audio AIC23 capture for 48 KHz sampling rate
Build failed when audio driver is configured as module

New in this Release

Since version, the following features have been added:

  • U-boot updated to version 2009.08
  • Linux kernel updated to version 2.6.32-rc5 (off /pm branch)
  • USB host support in U-boot
  • EHCI driver power management
  • SDIO functionality

New in this Release - OMAP35x

  • IO mapped memory support in Video Capture driver

New in this Release - AM3517

  • TSC2004 Touch screen controller driver
  • CAN (HECC) driver as a networking driver that conforms to the socketCAN interface
  • Control IOCTL's in Video Capture driver

Known Issues

Issue Identifier Issue headline Known Workaround(s)
SDOCM00034288 Video-Display: Mirroring of RGB888 images fails Hardware issue
SDOCM00034465 Video-Display: switching back and forth between ntsc and pal standard results into display corruption. Avoid disabling display when output is on TV.
SDOCM00034492 Video-Capture: Interlacing artifacts observed in video sample loopback application when displayed on LCD None
SDOCM00053357 Video-Display: Flicker and color corruption observed on TV Display None
SDOCM00053359 Video-Display: Sharpness is reduced when image is up-scaled. Hardware behavior: Fine tuning the scaling coeff. may give better result
SDOCM00053361 Video-Display: Directing any of the pipeline to TV cuts image on top left corner by few pixels. None
SDOCM00053362 Video-Display: Frame rate may fall below 60Hz when rotation enabled for V4L2 driver under heavy system load. Requires custom fine tuning of application
SDOCM00059300 Suspend/Resume is not supported when any of output is on TV (VENC). Avoid suspend/resume when output is on TV. This issue is related to SDOCM00034465, where Venv goes out of order after multiple on-off sequence.
SDOCM00055541 MUSB: Rx throughput is low when CPUIDLE is enabled none
SDOCM00053644 OTG : OPT failure for MUSB as A-devcie Use custom patch as per details in IR
SDOCM00053934 <OMAP35x-Linux:USB RNDIS>Pings fail beyond packet size of 64000 bytes none
SDOCM00034419 <USB-CDC/RNDIS> Device frame work and NDIS 6.0 failures are observed during DTM test execution none
SDOCM00054860 <MUSB Video capture> USB capture for image size 640*480 not working with LogitechPro5000 Use EHCI host
SDOCM00055317 OMAP35x-GIT: USB ISO- Stress tests are failing(video capture, audio playback stop after a days run) none
SDOCM00062599 USB RNDIS: NFS retry observed when RNDIS module is inserted Use built-in CDC/RNDIS driver untill issue gets fixed in Arago filesystem.
SDOCM00064573 Audio capture gives overrun errors when tried using NFS Use MMC card or ramdisk to store the captured audio files
SDOCM00064575 Audio capture gives overrun error, when running in background, with suspend/resume None
SDOCM00064808 <LFTB>Capture application fails in S_FMT ioctl on both AM3517/OMAP3530 None
SDOCM00064809 <LFTB> fbdev application fails on AM3517 due to wrong resolution configuration None

Known Issues - OMAP35x

Issue Identifier Issue headline Known Workaround(s)
SDOCM00053374 <Video-Capture >Video quality issues observed with video test patterns None
SDOCM00053412 Blockiness and feathering effect (at edges) are observed with 4x scaling. Hardware behavior: Fine tuning the scaling coeff. may give better result
SDOCM00053360 Video-Display: On some EVMs that have a Micron Nand part, display quality is bad. None
SDOCM00064663 Video Display: Display doesn't work after suspending the system with "enable_off_mode=1" None
SDOCM00062661 pm: high cpu usage after 'failed' suspend None. The issue is being tracked here with Arago Project.
SDOCM00065206 <OMAP Resizer> Milti-channel operation is failing None
SDOCM00065203 MUSB (OMAP35x): MSC data read corruption when USB LAN devices interface is up Use custom patch adding new FIFO mode which uses only first 8K of FIFO space

Known Issues - AM3517

Issue Identifier Issue headline Known Workaround(s)
SDOCM00062552 AM3517-Capture: Capture is giving Greenish output Requires board modification along with separate patch, please refer to the link Patches on top of PSP03.00.00.03
SDOCM00065139 <AM3517 Capture>CPU consumption is going as high as 95% in MMAP mode Use UserPtr mode of operation
SDOCM00062832 AM3517-RNDIS: iperf fails to work in DMA mode Use PIO mode
SDOCM00062659 AM3517 MUSB PM: System doesn't enter into suspend state None
SDOCM00065111 MUSB (AM3517) : MUSB port is unusable with CONFIG_PM=y Disable CONFIG_PM
SDOCM00065129 EHCI (AM3517): Port becomes unusable when EHCI module is inserted 2nd time onward None
SDOCM00065165 MUSB (AM3517) : SRP from device is not detected by host Start session from host side where mini-A plug is inserted.

Installation and Usage

Please look for detailed installation and usage instructions in the User's Guide

Upgrade and Compatibility Information

To upgrade to new PSP release, simply delete the old release and extract the new release in its place.

This version does not have an in-compatibility with previous versions.


Device Support

This release supports the Texas Instruments AM3517EVM and OMAP3EVM(Rev.G)

Validation Information

Please use the Linux Functional Test Bench (LFTB) included in the release package for validating the release. Documentation on using LFTB is included in the LFTB package itself.


This is Release of OMAP PSP SDK product.

Technical Support and Product Updates

For further information or to report any problems, contact or

OMAP Linux Mailing List: