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Known Software Issues/Caveats and Workaround |
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Known Hardware Issues and Workaround |
NOTE:
TI has requested a name change and as part of the same, we are changing 3430OSK as OMAP3_EVM. You may see 3430OSK, 3530EVM and OMAP3_EVM used interachangeably in the document. Eventually, all the references will be changed to OMAP3_EVM. The complete name change will take effect by Q1 2008.
Known Software Issues/Caveats and Workaround
| Sl.# | Issue/Caveat | Description | Workaround | Comments |
| 1 | Issues with Download Utility on Windows XP systems. | While trying to re-flash the OMAP3_EVM board with U-Boot using the download utility, we have observed that sometimes the download utility does not respond correctly and does not allow the user to proceed with flashing. This is observed on Windows XP systems. | Please follow the steps below as work-around for this issue: a) Right Click on 'My Computer' and select properties b) Select the 'Hardware' tab and click on 'Device Manager' c) Expand 'Ports (COM & LPT)' in the Device Manager d) Right Click on the COM Port (that is being used for Downloading), and Disable it. e) Right Click again and Enable it. Basically, Disable and Enable the COM port and this will resolve the issue. |
This issue is now resolved by providing a completely NEW Windows Download Utility that fixes all the issues observed on the Old Windows download utility |
Known Hardware Issues and Workaround
| Sl.# | Issue/Caveat | Description | Workaround | Comments |
| 1 | Wrong Keypad Silkscreen text on PCB | Keypad Silkscreen text on the PCB does not match with the actual row-column key matrix. | Refer section 2.4.9 of OMAP3_EVM User Manual for proper keypad mapping. | Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 2 | Lauterbauch adapter has trouble being inserted. | Due to the limitation in spacing between JTAG connector and ETM Mictor connector, Lauterbach adapter will have trouble being inserted in the JTAG connector. | Remove the Plastic shroud in the JTAG connector P4 to plug-in Lauterbach adapter | Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 3 | LCD orientation controls will not work properly idue to the dipswitch | SYSBOOT0 & SYSBOOT1 signals are used to control LCD_LR and LCD_UD signals of LCD module through software. SYSBOOT0 and SYSBOOT1 signals are shorted to ground through Boot mode selection switch SW4 and are not able to drive the LCD image rotation signals LCD_LR and LCD_UD. |
a) Lift pin 1 and pin4 of SW4 boot mode selection switch. b) Place a resistor between lifted pin 1 of SW4 and Ground (C68 -ve/GND pad). c) Place a resistor between lifted pin 2 of SW4 and Ground (C68 -ve/GND pad). |
Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 4 | USB Testing | Resistor R238 is not mounted and thus the ISP1504 device is not reset properly. Due to this the USB interface does not work. | Mount R238 with 0ohms resistor on OMAP EVM main board. Check ECN_layout sheet for more details. |
Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 5 | External Philips Transceiver ISP1504 based USB OTG interface does not work at High Speed mode | Wrong ESD suppressor devices are mounted on locations D14 and D15 on the OMAP EVM main board. Due to the load of these devices, the USB interface does not work at High speed. | Remove D14 and D15 on the OMAP EVM Main board. Check ECN_layout sheet for more details. |
Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 6 | Smart Reflex I2C interface is not supported | I2C #4 interface is connected to the Smart reflex I2C interface of TWL4030. Only I2C4.SCL is routed to TWL4030 and I2C4.SDA is not connected to TWL4030. | There is no workaround for this erratum. | Applicable to OMAP EVM MAIN BOARD REVB only. This has been Fixed in OMAP EVM MAIN BOARD REVC & above. |
| 7 | JTAG connectivity issue | EMU0 signal needs to be pulled low externally to be able to connect JTAG. | Place a 2 pin jumper between pin 1 and 2 of the 3 pin Berg header on the Processor board. (Note that pin 2 and 3 are shorted to each other and to the mounting hole) | Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 8 | UART Peripheral booting does not work when JTAG is enabled | JTAG EMU0 signal should be high to enable peripheral booting through UART. Jumper option should be provided to enable EMU0 connection to Ground during JTAG and disable EMU0 connection to Ground during UART Peripheral booting |
Remove the jumper on the 3 pin Berg stick header on the processor board. | Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 9 | CPU reset command from CCS is not supported | Not able to issue CPU Reset command from the Debug menu of CCS. It displays the following error message “The target is in secure mode and debug is not allowed” | The Processor internal ROM code needs to be updated. | Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 10 | McBSP 2/3,UART3 selection for duaghtercard is not supported.* | The McBSP2, McBSP3, UART3 and TVOUT mux select signals are assigned to GPIO_112, GPIO_113, GPIO_114, GPIO_115 pins respectively. But these are General Purpose Input only pins. Hence the Processor will not be able to control the Mux selection through software. | The UART_SEL, McBSP2_SEL and MCBSP3_SEL signals have to be connected to SPARE 6 signal routed to expansion connector. The user has to provide mux selection option in daughter-card design. a) Short U2 pin 1, U2 pin 3 and U9 pin 1 using a wire. b) Connect the other end of the above wire to P4 connector pin 18 Check ECN_layout sheet for more details. |
Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 11 | UART3, McBSP2/3 on main board are not enabled by default.** | The default configuration enables these interfaces to expansion connector and not to main board. The MUX_SEL control signals have to pulled up to enable these interfaces on main board. Peripheral booting and Audio interfaces does not work without this modification. | a) Connect a 1K resistor between U2 pin 1 and Capacitor C52 positive terminal (UART_SEL) b) Connect a 1K resistor between U2 pin 3 and Capacitor C52 positive terminal. (McBSP2_SEL) c) Connect a 1K resistor between U9 pin 1 and U9 pin 5. (McBSP3_SEL) Check ECN_layout sheet for more details. |
Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 12 | CVBS TV out is not supported. | TV/S-Video selection is not supported and S-Video is enabled by default. | NA | Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 13 | ETM interface does not work | The signal assignment on the ETM connector on OMAP EVM main board is wrong | There is no workaround | Applicable to OMAP EVM MAIN BOARDS REVB & REVC. This has been Fixed in OMAP EVM MAIN BOARD REVD. |
| 14 | S-Video interface does not work properly | The Video Encoder DACs are interchanged inside the processor silicon version ES2.0. Due to this silicon errata the S-Video interface will not work. | This can be made to work by using a custom made S-video cable which has its luma and chroma signals interchanged. Cut the S-Video cable and interchange signals 3 and 4 along with their ground points 1 and 2 . Check ECN_layout sheet for more details. | Applicable to 3430ES2.0 Processor board REVA only. This has been fixed in Processor board REVB. |
| 15 | DVI output does not work | Resistor R18 was mounted with an incorrect value. | Change R18 resistor value to 510 ohms | Applicable to OMAP EVM MAIN BOARDS REVB & REVC. This has been Fixed in OMAP EVM MAIN BOARD REVD. |
| 16 | Glitches on Ethernet Reset signal | The Ethernet reset signal has glitches during Processor power management "OFF mode" transition which resets the Ethernet controller LAN 9115 chip. | Still under Investigation | Applicable to OMAP35x EVM. |
| 17 | Noise on the touch screen interface | Observe extreme amount of jitter on the Y-axis and smaller amount of jitter on the X-axis of the touchscreen. | Still under Investigation | Applicable to OMAP35x EVM. |
| 18 | LAN interrupt does not wake up OMAP | LAN interrupt is connected to GPIO_176 which belongs to GPIO bank 6 attached to PER domain which is not active continously. |
There is no work around for this issue. |
Applicable to OMAP35x EVM. This will be taken care in the next re-spin of the OMAP EVM. |
| 19 | Power management -SYS_OFF_MODE | Voltage cut-off happens only during forced suspend, resume and not during OS idle. PRCM automatically controls SYS_OFF_MODE based on power domain states and this signal is required for OFF mode support. |
There is no work around for this issue. |
Applicable to OMAP35x EVM. This will be taken care in the next re-spin of the OMAP EVM. |
| 20 | S-Video quality issue | S-Video signal quality is bad. | Still under Investigation | This issue is still under investigation/discussions. This might call for hardware modifications in which case it will be addressed in the next re-spin of the board. |
| 21 | RTC module not accessible | Secured section of the RTC module not accessible/"cannot be validated" as there is no pull-up on the DRM_MSECURE signal in the existing design. Also, this signal is NOT connected to OMAP35x processor to enable S/W control of DRM_SECURE. |
• H/W modifications required to enable permanent access to RTC registers: • H/W modifications required to enable S/W control to enable/disable (enabled by default feature) the access to RTC registers: 1. On the Main Board, add a wire to connect P18-pin B44 (Expansion connector) to P15-pin41 (Power module connector). OR 1. On the Main Board, add a wire to connect P18-pin B44 (Expansion connector) to P15-pin41 (Power module connector). |
Applicable to OMAP35x EVM. · H/W modifications required to enable permanent access to RTC registers - This will be addressed in the coming up revision of the Power module. · H/W modifications required to enable S/W control: This needs design/PCB change in both Power module and the Main board. |