1 files changed, 23 insertions, 0 deletions

diff --git a/include/asm-parisc/fixmap.h b/include/asm-parisc/fixmap.h
new file mode 100644
index 000000000000..a5caf4b122b7
--- /dev/null
+++ b/include/asm-parisc/fixmap.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_FIXMAP_H
+#define _ASM_FIXMAP_H
+
+/*
+ * This file defines the locations of the fixed mappings on parisc.
+ *
+ * All of the values in this file are machine virtual addresses.
+ *
+ * All of the values in this file must be <4GB (because of assembly
+ * loading restrictions).  If you place this region anywhere above
+ * __PAGE_OFFSET, you must adjust the memory map accordingly */
+
+/* The alias region is used in kernel space to do copy/clear to or
+ * from areas congruently mapped with user space.  It is 8MB large
+ * and must be 16MB aligned */
+#define TMPALIAS_MAP_START      ((__PAGE_OFFSET) - 16*1024*1024)
+/* This is the kernel area for all maps (vmalloc, dma etc.)  most
+ * usually, it extends up to TMPALIAS_MAP_START.  Virtual addresses
+ * 0..GATEWAY_PAGE_SIZE are reserved for the gateway page */
+#define KERNEL_MAP_START        (GATEWAY_PAGE_SIZE)
+#define KERNEL_MAP_END          (TMPALIAS_MAP_START)
+
+#endif