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Commit d9b55a03 authored by David Gibson's avatar David Gibson Committed by Paul Mackerras
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[POWERPC] Early serial debug support for PPC44x 


This adds support for early serial debugging via the built in
port on IBM/AMCC PowerPC 44x CPUs.  It uses a bolted TLB entry in
address space 1 for the UART's mapping, allowing robust debugging both
before and after the initialization of the MMU.

Signed-off-by: default avatarDavid Gibson <dwg@au1.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent f6dfc805
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