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Diffstat (limited to 'arch/powerpc/mm/pgtable_32.c')
-rw-r--r--arch/powerpc/mm/pgtable_32.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 64c44bcc68d..80d1babb230 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -29,6 +29,7 @@
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
+#include <asm/fixmap.h>
#include <asm/io.h>
#include "mmu_decl.h"
@@ -387,3 +388,25 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0));
}
#endif /* CONFIG_DEBUG_PAGEALLOC */
+
+static int fixmaps;
+unsigned long FIXADDR_TOP = 0xfffff000;
+EXPORT_SYMBOL(FIXADDR_TOP);
+
+void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
+{
+ unsigned long address = __fix_to_virt(idx);
+
+ if (idx >= __end_of_fixed_addresses) {
+ BUG();
+ return;
+ }
+
+ map_page(address, phys, flags);
+ fixmaps++;
+}
+
+void __this_fixmap_does_not_exist(void)
+{
+ WARN_ON(1);
+}