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-rw-r--r--include/asm-ppc64/abs_addr.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-ppc64/abs_addr.h
index 93dc63ed4f2..2276567f133 100644
--- a/include/asm-ppc64/abs_addr.h
+++ b/include/asm-ppc64/abs_addr.h
@@ -17,34 +17,37 @@
#include <asm/prom.h>
#include <asm/lmb.h>
-typedef u32 msChunks_entry;
struct msChunks {
unsigned long num_chunks;
unsigned long chunk_size;
unsigned long chunk_shift;
unsigned long chunk_mask;
- msChunks_entry *abs;
+ u32 *abs;
};
extern struct msChunks msChunks;
-extern unsigned long msChunks_alloc(unsigned long, unsigned long, unsigned long);
#ifdef CONFIG_MSCHUNKS
+/* Chunks are 256 KB */
+#define MSCHUNKS_CHUNK_SHIFT (18)
+#define MSCHUNKS_CHUNK_SIZE (1UL << MSCHUNKS_CHUNK_SHIFT)
+#define MSCHUNKS_OFFSET_MASK (MSCHUNKS_CHUNK_SIZE - 1)
+
static inline unsigned long chunk_to_addr(unsigned long chunk)
{
- return chunk << msChunks.chunk_shift;
+ return chunk << MSCHUNKS_CHUNK_SHIFT;
}
static inline unsigned long addr_to_chunk(unsigned long addr)
{
- return addr >> msChunks.chunk_shift;
+ return addr >> MSCHUNKS_CHUNK_SHIFT;
}
static inline unsigned long chunk_offset(unsigned long addr)
{
- return addr & msChunks.chunk_mask;
+ return addr & MSCHUNKS_OFFSET_MASK;
}
static inline unsigned long abs_chunk(unsigned long pchunk)