the driver will use only 32-bit accessors to read/write
the device registers.
+ meson,<addr>
+ Start an early, polled-mode console on a meson serial
+ port at the specified address. The serial port must
+ already be setup and configured. Options are not yet
+ supported.
+
msm_serial,<addr>
Start an early, polled-mode console on an msm serial
port at the specified address. The serial port