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Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/mmu.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/mmu.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index 8afb0e00f7d9..d73e9dfa5237 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -44,10 +44,20 @@ struct patb_entry {
};
extern struct patb_entry *partition_tb;
+/* Bits in patb0 field */
#define PATB_HR (1UL << 63)
-#define PATB_GR (1UL << 63)
#define RPDB_MASK 0x0ffffffffffff00fUL
#define RPDB_SHIFT (1UL << 8)
+#define RTS1_SHIFT 61 /* top 2 bits of radix tree size */
+#define RTS1_MASK (3UL << RTS1_SHIFT)
+#define RTS2_SHIFT 5 /* bottom 3 bits of radix tree size */
+#define RTS2_MASK (7UL << RTS2_SHIFT)
+#define RPDS_MASK 0x1f /* root page dir. size field */
+
+/* Bits in patb1 field */
+#define PATB_GR (1UL << 63) /* guest uses radix; must match HR */
+#define PRTS_MASK 0x1f /* process table size field */
+
/*
* Limit process table to PAGE_SIZE table. This
* also limit the max pid we can support.
@@ -138,5 +148,11 @@ static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base,
extern int (*register_process_table)(unsigned long base, unsigned long page_size,
unsigned long tbl_size);
+#ifdef CONFIG_PPC_PSERIES
+extern void radix_init_pseries(void);
+#else
+static inline void radix_init_pseries(void) { };
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */