tree 5704be539afcd6f29b1f5751476c8b4f53673bff
parent f6dfc80554b27da11dbb36ebae166b23ec3aa9ca
author David Gibson <david@gibson.dropbear.id.au> 1178593171 +1000
committer Paul Mackerras <paulus@samba.org> 1178599653 +1000

[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: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>