Add missing Blackfin files.
diff --git a/include/asm-blackfin/segment.h b/include/asm-blackfin/segment.h
new file mode 100644
index 0000000..9e6d817
--- /dev/null
+++ b/include/asm-blackfin/segment.h
@@ -0,0 +1,46 @@
+/*
+ * U-boot - segment.h
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _BLACKFIN_SEGMENT_H
+#define _BLACKFIN_SEGMENT_H
+
+/* define constants */
+typedef unsigned long mm_segment_t; /* domain register */
+
+#define KERNEL_CS 0x0
+#define KERNEL_DS 0x0
+#define __KERNEL_CS 0x0
+#define __KERNEL_DS 0x0
+
+#define USER_CS 0x1
+#define USER_DS 0x1
+#define __USER_CS 0x1
+#define __USER_DS 0x1
+
+#define get_ds() (KERNEL_DS)
+#define get_fs() (__USER_DS)
+#define segment_eq(a,b) ((a) == (b))
+#define set_fs(val)
+
+#endif