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-rw-r--r--include/asm-sh/cpu_sh4.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-sh/cpu_sh4.h b/include/asm-sh/cpu_sh4.h
index d2dbfcd14..fdcebd608 100644
--- a/include/asm-sh/cpu_sh4.h
+++ b/include/asm-sh/cpu_sh4.h
@@ -54,4 +54,29 @@
# error "Unknown SH4 variant"
#endif
+#if defined(CONFIG_SH_32BIT)
+#define PMB_ADDR_ARRAY 0xf6100000
+#define PMB_ADDR_ENTRY 8
+#define PMB_VPN 24
+
+#define PMB_DATA_ARRAY 0xf7100000
+#define PMB_DATA_ENTRY 8
+#define PMB_PPN 24
+#define PMB_UB 9 /* Buffered write */
+#define PMB_V 8 /* Valid */
+#define PMB_SZ1 7 /* Page size (upper bit) */
+#define PMB_SZ0 4 /* Page size (lower bit) */
+#define PMB_C 3 /* Cacheability */
+#define PMB_WT 0 /* Write-through */
+
+#define PMB_ADDR_BASE(entry) (PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
+#define PMB_DATA_BASE(entry) (PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
+#define mk_pmb_addr_val(vpn) ((vpn << PMB_VPN))
+#define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt) \
+ ((ppn << PMB_PPN) | (ub << PMB_UB) | \
+ (v << PMB_V) | (sz1 << PMB_SZ1) | \
+ (sz0 << PMB_SZ0) | (c << PMB_C) | \
+ (wt << PMB_WT))
+#endif
+
#endif /* _ASM_CPU_SH4_H_ */