Cypress C67X00 driver question

Robertson, Joseph M. joseph.robertson at sanmina-sci.com
Thu Aug 9 06:34:45 EST 2007


Hi all,
First off big thanks to the guys working on the Cypress USB C67X00 driver!  
Without them I would not even be this far.

But my question for them is:  How are you guys initializing the Cypress chip?
It looks like the driver is expecting the cypress to be programmed and ready.

I have a FPGA design with a Cypress C67300 which has no eeprom or cpld, so it just comes up blank in coprocessor mode.

I believe I need to 'program' the chip and kick it before the driver loads is that right?
Has anyone ever done this before?  
The Cypress docs do not even begin to provide a simple example of the minimum registers to set
before the usb will 'work'.  I just need 2 hosts.

Thanks,

Joe Robertson
x8259
Joseph.Robertson at sanmina-sci.com


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