Part Number: TCI6630K2L
We are trying to connect a K2L with the JESD bus to an Analog Front End eval board (AFE58JD28). Here is the data path we are trying to get working:
data from a signal generator-> AFE -> Keystone DFE -> DFE Rx Bypass -> .... Keystone Arm Linux program
For the time being, we are planning to use just one of the ADC's on the AFE 58JD28, and just one JESD lane.
We would like to stream the ADC data around the DFE in "DFE RX Bypass" mode.
We would like to stream the ADC data around the DFE in "DFE RX Bypass" mode.
We have an AFE eval board, and have mated up the AFE eval board to the Keystone K2L eval board over the JESD bus. We also have the Keystone controlling the AFE eval board over SPI.
Now, I am trying to configure the DFE and JESD bus to demonstrate streaming data. My biggest challenge is that I cannot easily find documentation support to set the DFE up into DFE RX Bypass mode. I would appreciate any help, suggestions, guidance or links to the appropriate documentation on this.
We are using dfeTest1 on the Keystone Arm Linux processor successfully as a starting point.
My goal is to modify dfeTest1 so that it puts the DFE/JESD into RX bypass mode, so that we can receive ADC data from the AFE board. Does this seem like a reasonable approach?
We have the RFSDK package from TI, but that looks like a significant amount of effort to get all set up in the TI Keystone eval board. Do we need to do that? Would you recommend that we spend the time to get that all set up and running on the Keystone eval board?
Is there some example code that receives data in from the JESD bus (as opposed to using internal loopback) and configures Rx Bypass mode?
Is there DFE register-level documentation for how to set up Rx Bypass mode? The only DFE documentation I have been able to find is the few pages in the main K2L data sheet, the Keystone II DFE User's Guide, and the doxygen comments in the dfe source code.
Thanks,
Greg Johnson
We are using dfeTest1 on the Keystone Arm Linux processor successfully as a starting point.
My goal is to modify dfeTest1 so that it puts the DFE/JESD into RX bypass mode, so that we can receive ADC data from the AFE board. Does this seem like a reasonable approach?
We have the RFSDK package from TI, but that looks like a significant amount of effort to get all set up in the TI Keystone eval board. Do we need to do that? Would you recommend that we spend the time to get that all set up and running on the Keystone eval board?
Is there some example code that receives data in from the JESD bus (as opposed to using internal loopback) and configures Rx Bypass mode?
Is there DFE register-level documentation for how to set up Rx Bypass mode? The only DFE documentation I have been able to find is the few pages in the main K2L data sheet, the Keystone II DFE User's Guide, and the doxygen comments in the dfe source code.
Thanks,
Greg Johnson
