1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/include/asm/xtalk/xtalk.h b/arch/mips/include/asm/xtalk/xtalk.h
new file mode 100644
index 000000000..26d2ed1fa
--- /dev/null
+++ b/arch/mips/include/asm/xtalk/xtalk.h
@@ -0,0 +1,61 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * xtalk.h -- platform-independent crosstalk interface, derived from
+ * IRIX <sys/PCI/bridge.h>, revision 1.38.
+ *
+ * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
+ * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
+ */
+#ifndef _ASM_XTALK_XTALK_H
+#define _ASM_XTALK_XTALK_H
+
+#ifndef __ASSEMBLY__
+/*
+ * User-level device driver visible types
+ */
+typedef char		xwidgetnum_t;	/* xtalk widget number	(0..15) */
+
+#define XWIDGET_NONE		-1
+
+typedef int xwidget_part_num_t; /* xtalk widget part number */
+
+#define XWIDGET_PART_NUM_NONE	-1
+
+typedef int		xwidget_rev_num_t;	/* xtalk widget revision number */
+
+#define XWIDGET_REV_NUM_NONE	-1
+
+typedef int xwidget_mfg_num_t;	/* xtalk widget manufacturing ID */
+
+#define XWIDGET_MFG_NUM_NONE	-1
+
+typedef struct xtalk_piomap_s *xtalk_piomap_t;
+
+/* It is often convenient to fold the XIO target port
+ * number into the XIO address.
+ */
+#define XIO_NOWHERE	(0xFFFFFFFFFFFFFFFFull)
+#define XIO_ADDR_BITS	(0x0000FFFFFFFFFFFFull)
+#define XIO_PORT_BITS	(0xF000000000000000ull)
+#define XIO_PORT_SHIFT	(60)
+
+#define XIO_PACKED(x)	(((x)&XIO_PORT_BITS) != 0)
+#define XIO_ADDR(x)	((x)&XIO_ADDR_BITS)
+#define XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))
+#define XIO_PACK(p, o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))
+
+#ifdef CONFIG_PCI
+extern int bridge_probe(nasid_t nasid, int widget, int masterwid);
+#else
+static inline int bridge_probe(nasid_t nasid, int widget, int masterwid)
+{
+	return 0;
+}
+#endif
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_XTALK_XTALK_H */