asm/page.h discusses the calculation for v2p and p2v, it should be:
va = pa + KERNELBASE - PHYSICAL_START
which is the same as:
va = pa + LOAD_OFFSET
tophys/tovirt were using PAGE_OFFSET, which as page.h says, is almost
always the same thing.
Signed-off-by: Jason Gunthorpe <redacted>
---
arch/powerpc/include/asm/ppc_asm.h | 4 ++--
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 ea2a86e..44edc3a 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -461,14 +461,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
#define fromreal(rd) tovirt(rd,rd)
#define tophys(rd,rs) \
-0: addis rd,rs,-PAGE_OFFSET@h; \
+0: addis rd,rs,-LOAD_OFFSET@h; \
.section ".vtop_fixup","aw"; \
.align 1; \
.long 0b; \
.previous
#define tovirt(rd,rs) \
-0: addis rd,rs,PAGE_OFFSET@h; \
+0: addis rd,rs,LOAD_OFFSET@h; \
.section ".ptov_fixup","aw"; \
.align 1; \
.long 0b; \
--
1.7.4.1