Chris Johns commented on a discussion on 
bsps/shared/dev/serial/zynq-uart-polled.c: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/199#note_112142

 > +  uint32_t  desired_baud,
 > +  uint32_t  mode_clks,
 > +  uint32_t *cd_ptr,
 > +  uint32_t *bdiv_ptr
 > +)
 > +{
 > +  uint32_t best_error = UINT32_MAX;
 > +  uint32_t best_cd;
 > +  uint32_t best_bdiv_plus_one;
 > +  uint32_t bdiv_plus_one;
 > +  uint32_t selected_clock;
 > +
 > +  _Assert((mode_clks & ~ZYNQ_UART_MODE_CLKS) == 0);
 > +  selected_clock = zynq_uart_input_clock() / (1U << (3 * mode_clks));
 > +
 > +  for (bdiv_plus_one = 5; bdiv_plus_one <= 256; ++bdiv_plus_one) {

Thanks. I will leave the thread for @opticron to resolve.

-- 
View it on GitLab: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/199#note_112142
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