OMAP-L137 EVM Hardware Setup

From Texas Instruments Embedded Processors Wiki

Jump to: navigation, search

Translate this page to

NOTE
When powering up EVM for the first time with a freshly installed Linux filesystem, be sure to have the UI card connected so that devices on that card can be detected as well. On first time boot-up, a cache of device nodes is prepared and stored in /etc/dev.tar. Devices which are not detected will not be made part of this cache. To rescan the devices at a later point of time, remove the /etc/dev.tar file from the filesystem and issue reboot from the Linux shell prompt.

Setting up the Hardware

Follow the steps below to setup the hardware and enable communication with the EVM.

NOTE The EVM is sensitive to static discharges. Use a grounding strap or other device to prevent damaging the board. Be sure to connect communication cables before applying power to any equipment.

Verify that the EVM board's SW2 (Boot) switch is correctly set. The setting to boot from SPI0 Flash are:

Pin #	7	2	1	0	3
Position	0	1	0	1	X

If you want to use networking, connect the Ethernet cable to one of the Ethernet ports on the EVM board and to an Ethernet network port.

Connect the USB cable provided in the kit to the on-board emulation USB port on the board (EMBED USB). Connect the other end to a computer with CCS installed.

If you plan to use UART port for a console window, connect the RS-232 null modem cable to the EVM UART port and to the COM port of your host workstation.

Connect the power cable to the EVM power jack on the board. To be ESD safe, plug in the other end of the power cable only after you have connected the power cord to the board.

Connecting to a Console Window

You can open a console window that allows you to watch and interrupt EVM boot messages by following these steps:

Connect a serial cable between the serial port on the EVM and the serial port (for example COM1) on a PC.
Run a terminal session (such as Minicom on Linux or TeraTerm on Windows) on the workstation and configure it to connect to that serial port with the following characteristics:
Bits per Second: 115200
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control: None
Transmit delay: 0 msec/char, 100 msec/line
When you power on the EVM, you will see boot sequence messages (If you have a boot loader in flash. If you do not have a boot loader in flash see the Restoring/Flashing Bootloaders section). You can press a key to interrupt the boot sequence and type commands in the U-Boot command shell.

What's Next?

If you are using MontaVista Linux based SDK, proceed to the Installing the SDK Software section of the Getting Started Guide.

For technical support on OMAP please post your questions on The OMAP Forum. Please post only comments about the article OMAP-L137 EVM Hardware Setup here.