In QEIWRM - 5.10.5 Timer Functional Description:
The clock input to the timer prescaler can be selected from the following sources:
• The system clock (ipg_clock)
• The system ‘slow go’ clock (ipg_clock internally divided by 16)
What does the "system clock" mean? Is it csb_clk, or ce_clk, or core_clk, or the PCI_CLK ( CLKIN not used)?