From: Kumar Gala <galak@kernel.crashing.org>
Date: Tue, 15 Apr 2008 19:52:21 +0000 (+1000)
Subject: [POWERPC] Remove and replace uses of PPC_MEMSTART with memstart_addr
X-Git-Tag: v2.6.26-rc1~1125^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99c62dd773797b68f3b1ca6bb3274725d1852fa2;p=pandora-kernel.git

[POWERPC] Remove and replace uses of PPC_MEMSTART with memstart_addr

A number of users of PPC_MEMSTART (40x, ppc_mmu_32) can just always
use 0 as we don't support booting these kernels at non-zero physical
addresses since their exception vectors must be at 0 (or 0xfffx_xxxx).

For the sub-arches that support relocatable interrupt vectors
(book-e), it's reasonable to have memory start at a non-zero physical
address.  For those cases use the variable memstart_addr instead of
the #define PPC_MEMSTART since the only uses of PPC_MEMSTART are for
initialization and in the future we can set memstart_addr at runtime
to have a relocatable kernel.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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