DaVinci PSP 03.01 Beta (r31) Release Notes

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DaVinci PSP 03.01 Beta Release (Build r31)

Release Notes

January 14, 2009

Introduction

This is the DaVinci PSP 03.01 Beta release (Build r31). The PSP serves to provide a fundamental software platform for development, deployment and execution of Linux based applications on Texas Instruments DM355 EVM. This abstracts the functionality provided by the hardware. The product forms the basis for all application development on this platform. The Linux Kernel in this release is based on the linux-davinci tree, version 2.6.32-rc1. The U-Boot is based on the u-boot.git denx tree, version 2009.06-rc0. The File system is based on the Arago, version 2009.09.

Release Components

The DaVinci PSP 03.01 Beta release package contains following components:

Components	Repository	Build: r31 Release Tag/Commit Id <release-tag/commit-id>
DaVinci Linux Kernel Source tarball	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/sources/linux-davinci-staging.tar.gz	NA
DaVinci Linux Kernel GIT repository	http://arago-project.org/git/projects/?p=linux-davinci.git;a=shortlog;h=refs/heads/r31	DEV.DaVinciPSP.03.XX.00.31
U-Boot Source tarball	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/sources/u-boot-davinci.tar.gz	NA
U-Boot GIT repository	http://arago-project.org/git/projects/?p=u-boot-davinci.git;a=shortlog;h=refs/heads/u-boot-davinci-2009.06	DEV.DaVinciPSP.03.XX.00.31
Examples	http://arago-project.org/git/projects/?p=examples-davinci.git;a=summary	DEV.DaVinciPSP.03.XX.00.31
Serial Flash, NAND Writer and UBL Utilities (pre-built binaries)	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/board_utilities/	NA
Serial Flash, NAND Writer and UBL Utilities (source code)	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/sources/flash-utils-davinci.tar.gz	NA
Linux kernel, U-Boot and Filesystem (pre-built binaries)	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/images/	NA
Documentation	DaVinci PSP 03.01 Linux Installation User Guide	NA
Arago SDK images	http://arago-project.org/files/releases/davinci-psp_3.x.0.0/sdk/	NA

The DaVinci PSP 03.01 Beta release package also contains Arago components, to be used only if you want to build Kernel, U-Boot in the Arago Environment or to re-build a filesystem:

Components	Repository	Build: r31 Release Tag/Commit Id <release-tag/commit-id>
Arago Package Build Recipes	http://arago-project.org/git/?p=arago.git;a=summary	DEV.DaVinciPSP.03.XX.00.31
Arago OpenEmbedded Development	http://arago-project.org/git/?p=arago-oe-dev.git;a=summary	DEV.DaVinciPSP.03.XX.00.31
Arago Bitbake Build tool	http://arago-project.org/git/?p=arago-bitbake.git;a=summary	DEV.DaVinciPSP.03.XX.00.31

The components have been compiled under Arago Build Environment (OE based) using the CodeSourcery GNU Toolchain for ARM Processors: 2009q1-203 version

DaVinci PSP 03.01 Build in the Arago OE environment

Download Arago, Arago OE and Arago bitbake tool based on the <release-tag or commit-id>

  $ mkdir $HOME/oe
  $ cd $HOME/oe 
  $ git clone -n git://arago-project.org/git/arago.git 
  $ cd arago 
  $ git checkout <release-tag or commit-id>

  $ cd $HOME/oe 
  $ git clone -n git://arago-project.org/git/arago-oe-dev.git 
  $ cd arago-oe-dev 
  $ git checkout <release-tag or commit-id>

  $ cd $HOME/oe 
  $ git clone -n git://arago-project.org/git/arago-bitbake.git 
  $ cd arago-bitbake 
  $ git checkout <release-tag or commit-id>

Follow the instructions to configure OEBASE, SCRATCH and http/git proxies - http://arago-project.org/wiki/index.php/Setting_Up_Build_Environment

Build Arago base filesystem for dm355-evm or dm365-evm

  $ MACHINE=<machine> bitbake arago-base-image

Build U-Boot and Arago demo filesystem for dm355-evm or dm365-evm; The Kernel for dm355-evm is automatically built due to the dependency of demo filesystem with the kernel. The Kernel uses the default configuration with all drivers (except Ethernet) built as dynamic modules. The Kernel modules are populated in the demo filesystem

  $ MACHINE=<machine> bitbake board-set arago-demo-image

Build Kernel image for dm355-evm or dm365-evm, using the default configuration with all drivers built as static

  $ MACHINE=<machine> bitbake linux-davinci-staging-static

The images will be available under $HOME/oe/arago-deploy folder

Download DaVinci PSP 03.01 Components

The DaVinci PSP 03.01 release components can be downloaded from the corresponding GIT repositories and can also be built standalone (not in the Arago build Environment).

Download DaVinci Kernel component from linux-davinci-staging tree using the <release-tag or commit-id>

  $ git clone -n git://arago-project.org/git/projects/linux-davinci.git
  $ cd linux-davinci-staging
  $ git checkout <release-tag or commit-id>

Download DaVinci U-Boot component from u-boot-davinci tree using the <release-tag or commit-id>

  $ git://arago-project.org/git/projects/u-boot-davinci.git
  $ cd u-boot-davinci
  $ git checkout <release-tag or commit-id>

Download DaVinci examples component from linux-davinci-examples tree using the <release-tag or commit-id>

  $ git clone -n git://arago-project.org/git/projects/examples-davinci.git
  $ cd linux-davinci-examples
  $ git checkout <release-tag or commit-id>

Documentation

DaVinci PSP 03.01 Linux Installation User Guide provides instructions on how to flash the EVM using Serial Flash or CCS based NAND Writer utilities. This user guide also provides information on the migration path for customers using Montavista Professional Edition 5.0 based LSP releases.

What's Supported

CCS based NAND writer utilities for DM355/DM365
Serial Flash utilities for DM355/DM365 - New, requires DM365 PG 1.2
Primary Bootloader: UBL for NAND
Secondary Bootloader: U-Boot 2009.06-rc0
Base Kernel 2.6.32-rc1
Base-port for DM355/DM365
Device Drivers
- UART driver
- I2C driver
- GPIO driver
- EDMA driver
- EMAC Ethernet driver (DM365)
- DM9000 Ethernet driver (DM355)
- NAND driver with 4-bit ECC, SLC/MLC, up to 4K page size support
- MMC/SD driver with SDHC and SDIO support
- SPI driver with EEPROM support
  - Polled mode of operation
  - PIO mode of operation - New
  - DMA mode of operation - New
- WDT driver
- USB Driver with Host, Device and OTG modes; Supports USB Host/Device Mass Storage Class, USB Hub and HID classes and USB Device CDC and RNDIS classes
- Audio (ALSA ASoC based) driver
  - AIC33 audio codec support (DM355)
  - AIC3101 audio codec support (DM365)
- Keyscan driver (DM365)
- RTC driver (DM365) - New
- Video drivers
  - VPFE capture - V4L2 driver
  - DM355 and DM365 CCDC
  - TVP5146 decoder driver for SD resolutions - NTSC, PAL standards and UYVY, NV12 Pixel formats
  - TVP7002 decoder driver for HD resolutions (DM365) - 720p-60, 1080i-30 standards and UYVY, NV12 Pixel formats
  - Raw capture support on DM355/DM365 using Micron sensor imager (MT9T031 - 3MP) - New on DM365
    - Standards supported: VGA-60, 480p-60, 576p-25, 720p-30, 1080p-18 and QXGA-12 standards
    - Image formats supported: SBGGR8/16, UYVY and NV12
  - VPBE display - V4L2 (Video planes, NTSC/PAL and HD on DM365)
    - Standards supported: NTSC, PAL, 720p-60 and 1080i-30 on Video planes (VID0 and VID1)
    - Pixel formats supported: UYVY and NV12 (only on VID0)
  - VPBE display - fbdev
    - Standards supported: NTSC, PAL and 720p-60 and 1080i-30 on Video planes - VID0 and VID1;
    - Pixel formats supported: UYVY
    - OSD planes - OSD0 (RGB656) and OSD1 (attribute, blending) are supported
  - H3A (AF/AEW) drivers (Interim char device based drivers, patches not meant for upstream) for DM355/DM365 - New on DM365
  - IPIPE (Previewer/Resizer) drivers (Interim char device based drivers, patches not meant for upstream) for DM355/DM365 - New
    - Resizer with on-the-fly/single-shot YUV capture using TVP5146 and TVP7002 is supported; UYVY and YUV420SP Pixel formats are supported
    - Previewer with on-the-fly/single-shot Bayer RGB input is supported
    - IPIPE Advanced features unit-tested - Bayer RGB to YUV conversion in single shot mode, vertical/horizontal flip, LUT/OTF DPC, Noise Filter 1/2, Global Imbalance Correction, White balance, CFA, RGB2RGB1, RGB2RGB2, Gamma (ROM/RAM table), 3D LUT, RGB2YUV, GBCE, YUV 4:2:2 conversion, Luminance Adjusting, Edge Enhancement, CAR and CGS

What's not supported

Audio (ALSA ASoC based) driver with internal voice codec support (DM365)
Facedetect driver support (DM365)

Upgrade and Compatibility Information

Refer to the Migration section of DaVinci PSP 03.01 Linux Installation User Guide

Host Support

This release has been validated on the following host machines:

Red Hat Enterprise Linux 4 for Code Sourcery toolchain - 2007q3-51 version
Windows XP SP2 for CCS v3.3 Installation

Dependencies

The DaVinci PSP release depends on Code Sourcery tool chain and Code Composer Studio (CCS). CCS is needed for initial (or recovery) flashing of UBL and U-Boot (Serial Flash utility is an alternate option without having to use CCS). As long as U-Boot remains functional on the EVM, CCS will not be needed.

Device Support

This release supports the Texas Instruments DM365 and DM355 SoCs along with the DM365 and DM355 Evaluation Module (EVM).

Validation Information

This release has passed the system test cycle on the following devices

ARM running at 296MHz and DDR at 243MHz on DM365 EVMs
ARM running at 216MHz and DDR at 171MHz on DM355 EVMs.

Fixed in this release (Beta, Build r31)

IR Remote: DM365: The open-source dm365input_keys driver did not support the newer Remotes, so this driver was disabled so that DVSDK demos can map the keys by talking to the MSP430 directly via I2C driver APIs

Fixed in this release (Phase 3, Build r28)

SPI: DM355: EVM hangs during bootup, when SPI driver operation mode is set to interrupt mode; This release fixes the issue of interrupt mode (PIO mode of operation), and also supports DMA mode of operation
Video capture(V4L2): Cannot switch between the formats - NTSC/PAL (at run time, from Linux). This release fixes the issue in the TVP514x decoder driver
Video display (fbdev): The boot parameters for fbdev display are not mapped correctly in the video driver
Video display (fbdev): The fbset command hangs when the console is on (which by default on)
Video display (V4L2): V4l2 display hangs during loopback in MMAP mode
Video display (V4l2): Display driver displays the previous queued frame in place of current queued frame
RTC, Keyscan: RTC and Keyscan drivers could not be insmod'ed, after they are built as modules
USB ISO Video: DM355/DM365: WebCam does not get enumerated properly, when plugged in, after unit has booted up. There seems to be an issue with Microsoft webcam drivers. Logitech webcam seems to work fine.

Fixed in this release (Phase 2, Build r26)

NAND ECC on DM365: Only the error bits introduced in first 512byte chunk get corrected and other 512byte chunks of the page do not get corrected; A delay was required before starting the ECC correction

NAND (JFFS2) on DM365: Intemittent kernel failure is observed during NAND read/write test; The problem is not reproducible after the linux-davinci staging tree was rebased to Kernel version 2.6.32-rc1

USB OTG: When the USB Host, Slave drivers are built as modules and the driver is configured to be in OTG mode, removing the module gives a kernel panic; The issue is fixed in the musb driver

USB ISO: Audio class does not work; This was due to setup related issues with USB ISO Audio.

NAND ECC test failed when using uImage built from Arago; but it pass when using uImage built on the cloned kernel. After moving to 2009q1 CodeSourcery toolchain the issue is not reproducible

NAND: After lots of write/read, read operation becomes slow and 'ls' becomes really slow even after umount and reboot.

NAND: First nand read in uboot return failed message; but the second nand read in uboot works fine

U-Boot: There is a limitation in the length of the uboot environment variables.

Known Issues

Audio: DM355: Gstreamer fails with a lot of underruns with audio. The same configuration using arecord/aplay does not give any underrun with audio; Gstreamer works fine on DM365
- Workaround: None

Audio: DM355: ALSA read failed when sample rate is 96000Hz
- Workaround: None

Audio: DM365: Default volume for DM365 is low
- Workaround: Use amixer sset commands to increase the volume level on the capture and playback sides.

GPIO: DM355: bank interrupt and non-bank interrupt can not work in the same time. This is a limitation in the driver implementation
- Workaround:If the driver is configured for bank interrupts (default), all GPIOs can be used in the interrupt mode

Video display: On DM365 EVM (up to board revision E), PAL video play-out has worse quality than NTSC video play-out operation
- Workaround: Use board revision E, where board modifications have been done to improve the PAL video quality.

Video display (fbdev): fbdev display driver fails to allocate coherent memory for 1080i resolution (set via bootargs)
- Workaround: If most of the other drivers are built as module, fbdev driver can allocate coherent memory for 1080i resolution.

Video raw capture: Micron sensor capture fails when used at a resolution 1080P or more in MMAP mode when video driver is loaded dynamically. Micron sensor capture also fails at maximum resolution in MMAP mode. There is also a kernel crash, when the Micron sensor capture application is run with bufsize set to QXGA resolution
- Workaround: Use the Micron sensor capture in userpointer mode, since maximum resolution with userpointer mode works fine

Video raw capture: Micron sensor capture cannot achieve the required frames per second (60 fps, for progressive capture), getting only 16 fps. This is found to be limitation with the design of Micron sensor driver

Resizer: DM355/DM365: Resizing any resolution to SD resolution have a lot of noise in the display in continuous mode. Resizing operation on YUV stream in continuous mode have intermittent noises
- Workaround: None

USB OTG: OTG fails the USB-Forum Test suite on both high-speed and full-speed modes
- Workaround: None

USB MSC: The performance with this release is lower than the LSP release (2.10, 2.6.18 based); With this release the Host MSC read performance is 9.4MBps and write is 0.72MBps, while with the LSP 2.10 release Host MSC read performance is 11.4MBps and write is 0.84MBps
- Workaround: None

USB Slave: USB Slave MSC Performance under GIT release is lower than the LSP release (2.10, 2.6.18 based)
- Workaround: None

NAND/MTD: Flash_eraseall option -j is not working; The issue is due to the 4K support. It required a parameter in the mtd-abi structure to be updated which broke the IOCTL flash_eraseall -j option was calling.
- Workaround: None

NAND/MTD/JFFS2: 'sync' command or 'umount' command are really slow for first write which results in kernel dump. This seems to be an expected behavior, since the filesystem commands seem to cache the data in RAM before writing to NAND devices
- Workaround: None

NAND/MTD/JFFS2: NAND performance in r28 (2.6.32-rc1) is worse than previous build (2.6.31-rc7) for all platforms including dm365. This seems to be a JFFS2 issue, NAND raw performance is consistent across the builds
- Workaround: Moving to a stable 2.6.32 version can help

EMAC: DM365: Ethernet performance under GIT release is lower than the LSP release (2.10, 2.6.18 based) when using Iperf.
- Workaround: None

DM9000 Ethernet: DM355: Performance with this release is lower than the LSP release (2.10, 2.6.18 based); With this release the TCP performance is 22.3Mbps while with the LSP 2.10 release the TCP performance is 25.5Mbps.
- Workaround: None

MMC/SD: DM365: MMC/SD slot 1 (bottom slot on the EVM) has problems. The following cards could not be detected: Kingston SDHC (4GB), SD (2GB, 1GB), DANE-ELEC SD (1GB), TRANSCEND MMC (2GB) and Sandisk MMC (1GB)
- Workaround: None

MMC/SD: DM355/DM365: When the MMC or SD card is unplugged while mmcblock device mounted, the device hangs and device cannot not recover even after plugging back the card
- Workaround: None

SPI: Performance under GIT release is lower than LSP release (2.10, 2.6.18 based); This is due to the raw EEPROM driver in the open-source kernel (Misc driver), as against the MTD driver in LSP 2.10.
- Workaround: None

Performance - DM365 EVM

Drivers	Performance	Notes
CDC-TCP	43.8 Mbits/sec
RNDIS-TCP	38.9 Mbits/sec
Ethernet	60.8 Mbits/sec	When window size is 212KB
USB-MSC EXT3 Write	6.78 MBytes/sec
USB-MSC EXT3 Read	14.32 MBytes/sec
USB-MSC VFAT Write	0.77 MBytes/sec
USB-MSC VFAT Read	13.73 MBytes/sec
USB-MSC EXT2 Write	2.47 MBytes/sec
USB-MSC EXT2 Read	14.33 MBytes/sec
SD EXT2 Write	3.70 MBytes/sec	Using Sandisk 2G card
SD EXT2 Read	8.50 MBytes/sec	Using Sandisk 2G card
SDHC VFAT Write	8.76 MBytes/sec	Using Sandisk 16G card
SDHC VFAT Read	11.00 MBytes/sec	Using Sandisk 16G card
NAND 2k JFFS2 Write	1.05 MBytes/sec
NAND 2k JFFS2 Read	5.31 MB/S
NAND Raw Write	4.2 MBytes/sec	Using mtd_speedtest module
NAND Raw Read	4.9 MBytes/sec	Using mtd_speedtest module
I2C Write	256.4 Kbits/sec
I2C Read	306.25 Kbits/sec
SPI Write	11.88 Kbits/sec
SPI Read	498.50 Kbits/sec
Audio ALSA Write	1555427 bits/sec
Audio ALSA Read	1555230 bits/sec
EDMA-Async	312.01 Bytes/usec	Acnt=32767; Bcnt=2; Ccnt=1
EDMA-ABsync	332.60 Bytes/usec	Acnt=32767; Bcnt=2; Ccnt=1
V4L2 Capture-NTSC 60Hz	30.03 fps
V4L2 Capture-PAL 50Hz	25.05 fps
V4L2 Capture-720p 60Hz	60.56 fps
V4L2 Capture-1080i 30Hz	30.29 fps
Fbdev Display-NTSC 60Hz	30.05 fps
Fbdev Display-PAL 50Hz	25.1 fps
Fbdev Display-720p 60Hz	60.15 fps
Fbdev Display-1080i 30Hz	NA
V4L2 Display-NTSC 60Hz	30.03 fps
V4L2 Display-PAL 50Hz	25.05 fps
V4L2 Display-720p 60Hz	60.06 fps
V4L2 Display-1080i 30Hz	30.06 fps
USB-ISO Video	15.07 fps	Using Logitech QuickCam Fusion webcamera

Performance - DM355 EVM

Drivers	Performance	Notes
CDC-TCP	36.6 Mbits/sec	When window size is 212KB
RNDIS-TCP	33.3 Mbits/sec	When window size is 212KB
Ethernet	22.3 Mbits/sec	When window size is 212KB
USB-MSC EXT3 Write	5.49 MB/S
USB-MSC EXT3 Read	9.76 MB/S
USB-MSC VFAT Write	0.69 MB/S
USB-MSC VFAT Read	9.36 MB/S
USB-MSC EXT2 Write	2.08 MB/S
USB-MSC EXT2 Read	9.73 MB/S
SD EXT2 Write	3.8 MB/S	Using Kingston 2G x120 card
SD EXT2 Read	7.6 MB/S	Using Kingston 2G x120 card
SDHC VFAT Write	7.6 MB/S	Use Sandisk UltraII 16G card
SDHC VFAT Read	10.7 MB/S	Use Sandisk UltraII 16G card
NAND 2k JFFS2 Write	1.97 MB/S	Buffersize=1024K; 0.8 when buffersize if 100K and 256K
NAND 2k JFFS2 Read	4.0 MB/S	Buffersize=1024K;
I2C Write	264.3 Kbits/S	Bus_freq=400KHz; Buffersize=1024
I2C Read	318.75 Kbits/S	Bus_freq=400KHz; Buffersize=1024
SPI Write	11.9 Kbits/S	Buffersize=1024;
SPI Read	390.6 Kbits/S	Buffersize=1024;
V4L2 Capture-NTSC 60Hz	30.03 fps
Fbdev Display-NTSC 60Hz	30.24 fps
USB-ISO Video	31.98 fps	Using Logitech QuickCam Fusion webcamera

Versioning

This is the DaVinci PSP 03.01 Beta release (Build r31).

Technical Support and Product Updates

For further information or to report any problems, contact http://community.ti.com or http://support.ti.com.

DaVinci Linux Mailing List: http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source.

For technical support please post your questions at http://e2e.ti.com. Please post only comments about the article DaVinci PSP 03.01 Beta (r31) Release Notes here.