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PCD8 8-bit DMA Interface User’s Guide Configuring the PCD8

EDT, Inc. May 2007 6

Before loading the UI FPGA, however, you may wish to check the firmware in the PCI FPGA to ensure

that it is correct and up-to-date.

Checking the PCI FPGA Firmware

When upgrading to a new device driver, or switching to a FPGA configuration file with special

functionality, you may also need to reprogram the PCI interface flash PROM using

pciload.

The following procedure applies to standard firmware only. If you are running a custom firmware file

and need to update it, first get a custom firmware configuation file from EDT.

NOTE The presence of a newer version of the firmware with a new driver doesn’t necessarily mean that

the firmware must be updated; if a package contains a mandatory upgrade, it is prominently stated

in the README file.

On UNIX systems,

pciload is an application in the installation directory /opt/EDTpcd.

On Windows systems, double-click the Pcd Utilities icon to bring up a command shell in the installation

directory

\EDT\Pcd.

On Macintosh systems,

pciload is an application in the installation directory

/Applications/EDT/pcd.

To see currently installed and recognized EDT boards and drivers, enter:

pciload

The program outputs the date and revision number of the firmware in the PROM.

To compare the PCI FPGA firmware in the package with the one already loaded on the board, enter:

pciload verify

The program compares the firmware in the PROM against the firmware file in the installation directory.

If they match, there’s no need to upgrade the firmware. If they differ, you’ll see error messages. This

does not necessarily indicate a problem; if your application is operating correctly, you may not need

to upgrade the firmware.

If you wish to update the standard firmware, enter:

pciload update

1. To upgrade or switch to a custom firmware file, enter:

pciload firmware_filename

replacing

firmware_filename with the name of the PCI FPGA configuration file, with or without

the

.bit file extension.

NOTE If the host computer holds more than one board, you can specify the correct board to load with the

optional

unit_number argument (by default, 0 for the first or only board in a host):

pciload -u unit_number filename

2. At the prompt, press Enter to confirm the loading operation. (If the file date is older than the PROM

ID date, you may need to press Enter twice.)

The board reloads the firmware from the PROM only during power-up, so after running

pciload, the

old firmware remains in the PCI FPGA until the system has power-cycled.

NOTE Updating the firmware requires cycling power, not simply rebooting.

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