powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M

Add the ability for a classic ppc kernel to be loaded at an address
of 32MB.  This done by fixing a few places that assume we are loaded
at address 0, and by changing several uses of KERNELBASE to use
PAGE_OFFSET, instead.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index c4a029ccb4d3..1a0d628eb114 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -425,14 +425,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define fromreal(rd)    tovirt(rd,rd)
 
 #define tophys(rd,rs)                           \
-0:      addis   rd,rs,-KERNELBASE@h;            \
+0:      addis   rd,rs,-PAGE_OFFSET@h;           \
         .section ".vtop_fixup","aw";            \
         .align  1;                              \
         .long   0b;                             \
         .previous
 
 #define tovirt(rd,rs)                           \
-0:      addis   rd,rs,KERNELBASE@h;             \
+0:      addis   rd,rs,PAGE_OFFSET@h;            \
         .section ".ptov_fixup","aw";            \
         .align  1;                              \
         .long   0b;                             \