AnsweredAssumed Answered

How do I disable T1042 serdes plls in Codewarrior?

Question asked by ROB WESTFALL on Jul 25, 2016
Latest reply on Jul 25, 2016 by Adrian Stoica

How do I disable the T1042 Serdes PLLs in Codewarrior?


We do not have any hardware that uses the Serdes on our custom board and need to disable it as the board is stuck in a reset loop if this isn't set.  We can set it with the USB Tap, but that obviously isn't product intent.

 

The T104x manual says in Section 31.1.1.3 Disabling Unused SerDes Modules:

SerDes is disabled as follows:

• SRDS_PLL_PD_S1 = 11 (both PLLs configured as powered down)

• SRDS_PLL_REF_CLK_SEL_S1 = 00

• SRDS_PRTCL_S1 = 0xFF

(no other values are permitted when both PLLs are powered down)

 

How do I do this in the RCW so that it happens on CPU reset?  The CodeWarrior QCVS has GUI selections for these fields, but I can't specify 0xFF for the SRDS_PRTCL_S1 Field, I can only select from the GUI options.

 

Thanks,

Rob Westfall

Outcomes