devc-serxzynq

Serial driver for UltraScale+ MPSoC UARTs.

Syntax:

devc-serxzynq [-c clock[/div]]
             [-C size]
             [-e] [-E]
             [-f] [-F]
             [-I size]
             [-o opt[,opt...]
             [-O number
             [-s] [-S]
             [-t level]
             [-T level]
             [-r level]
             [-u serial_unit_num]
             [-v[v]...]

Runs on:

QNX OS

Options:

This driver supports generic devc-ser* options. For information about those options, see devc-ser* section of the QNX OS Utilities Reference guide in the QNX SDP 8.0 documentation.

For this driver, the generic -o option supports the smmu option.
smmu=0|1|off|on
(QNX OS 7.1 or later) Disable or enable the SMMU Manager support using one of these values:
  • 0/off — (Default) Disable SMMU Manager support.
  • 1/on — Enable SMMU Manager support.
If the SMMU Manager service (smmuman) service isn't running, the driver won't start and an error is logged to the slogger.
In addition to the generic devc-ser* options, this driver supports the following options:
-c clk[/div]
Set the input clock rate and an optional divisor.
-r level
Set the real clock value from systempage or commandline (via the -c option) to /dev/clock. The default is 1.
-t level
Set receive FIFO trigger level; can be set between 1-63. The default trigger level is 32.
-T level
Set receive FIFO trigger level; can be set between 1-63. The default trigger level is 32.
-u serial_unit_num
Set serial unit number. The default is 1.

Examples:

Disable the hardware and software flow control for a UART device with the base address of 0xFF010000 and the IRQ 54. 
devc-serxzynq -e -F -S 0xFF010000,54
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