1 files changed, 37 insertions, 0 deletions

diff --git a/arch/csky/abiv1/inc/abi/pgtable-bits.h b/arch/csky/abiv1/inc/abi/pgtable-bits.h
new file mode 100644
index 000000000000..455075b5db0d
--- /dev/null
+++ b/arch/csky/abiv1/inc/abi/pgtable-bits.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ASM_CSKY_PGTABLE_BITS_H
+#define __ASM_CSKY_PGTABLE_BITS_H
+
+/* implemented in software */
+#define _PAGE_ACCESSED          (1<<3)
+#define PAGE_ACCESSED_BIT       (3)
+
+#define _PAGE_READ              (1<<1)
+#define _PAGE_WRITE             (1<<2)
+#define _PAGE_PRESENT           (1<<0)
+
+#define _PAGE_MODIFIED          (1<<4)
+#define PAGE_MODIFIED_BIT       (4)
+
+/* implemented in hardware */
+#define _PAGE_GLOBAL            (1<<6)
+
+#define _PAGE_VALID             (1<<7)
+#define PAGE_VALID_BIT          (7)
+
+#define _PAGE_DIRTY             (1<<8)
+#define PAGE_DIRTY_BIT          (8)
+
+#define _PAGE_CACHE             (3<<9)
+#define _PAGE_UNCACHE           (2<<9)
+
+#define _CACHE_MASK             (7<<9)
+
+#define _CACHE_CACHED           (_PAGE_VALID | _PAGE_CACHE)
+#define _CACHE_UNCACHED         (_PAGE_VALID | _PAGE_UNCACHE)
+
+#define HAVE_ARCH_UNMAPPED_AREA
+
+#endif /* __ASM_CSKY_PGTABLE_BITS_H */