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[PPC64] Enable opal console use as a GDB DBGPORT

Description

[PPC64] Enable opal console use as a GDB DBGPORT

This change makes it possible to use OPAL console as a GDB debug port.

Similar to uart and uart_phyp debug ports, it has to be enabled by
setting the hw.uart.dbgport variable to the serial console node
of the device tree.

Reviewed by: jhibbits
Differential Revision: https://reviews.freebsd.org/D22649

Details

Provenance
luporlAuthored on Dec 9 2019, 1:09 PM
Parents
rG2ccdd4b39d14: Fix: netstat -rs
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