From: David Gibson <david@gibson.dropbear.id.au>
Date: Tue, 8 May 2007 02:59:31 +0000 (+1000)
Subject: [POWERPC] Early serial debug support for PPC44x
X-Git-Tag: v2.6.22-rc1~358^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9b55a03611ff2e2e54fb4e1ad2648d5eb870fa3;p=pandora-kernel.git

[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>
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