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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/include/asm/mach/map.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/arm/include/asm/mach/map.h')
-rw-r--r--arch/arm/include/asm/mach/map.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
new file mode 100644
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--- /dev/null
+++ b/arch/arm/include/asm/mach/map.h
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/include/asm/map.h
+ *
+ * Copyright (C) 1999-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Page table mapping constructs and function prototypes
+ */
+#include <asm/io.h>
+
+struct map_desc {
+ unsigned long virtual;
+ unsigned long pfn;
+ unsigned long length;
+ unsigned int type;
+};
+
+/* types 0-3 are defined in asm/io.h */
+#define MT_UNCACHED 4
+#define MT_CACHECLEAN 5
+#define MT_MINICLEAN 6
+#define MT_LOW_VECTORS 7
+#define MT_HIGH_VECTORS 8
+#define MT_MEMORY 9
+#define MT_ROM 10
+#define MT_MEMORY_NONCACHED 11
+#define MT_MEMORY_DTCM 12
+#define MT_MEMORY_ITCM 13
+#define MT_MEMORY_SO 14
+
+#ifdef CONFIG_MMU
+extern void iotable_init(struct map_desc *, int);
+
+struct mem_type;
+extern const struct mem_type *get_mem_type(unsigned int type);
+/*
+ * external interface to remap single page with appropriate type
+ */
+extern int ioremap_page(unsigned long virt, unsigned long phys,
+ const struct mem_type *mtype);
+#else
+#define iotable_init(map,num) do { } while (0)
+#endif