sh: Add fixed ioremap support

[safe/jmp/linux-2.6] / arch / sh / include / asm / fixmap.h

diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h
index 1566d33..38a1de8 100644 (file)
--- a/arch/sh/include/asm/fixmap.h
+++ b/arch/sh/include/asm/fixmap.h
@@ -60,6 +60,14 @@ enum fixed_addresses {
        FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
        FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
 #endif
+       /*
+        * FIX_IOREMAP entries are useful for mapping physical address
+        * space before ioremap() is useable, e.g. really early in boot
+        * before kmalloc() is working.
+        */
+#define FIX_N_IOREMAPS 32
+       FIX_IOREMAP_BEGIN,
+       FIX_IOREMAP_END = FIX_IOREMAP_BEGIN + FIX_N_IOREMAPS,
        __end_of_fixed_addresses
 };