1 files changed, 70 insertions, 0 deletions
diff --git a/arch/ia64/sn/include/xtalk/xwidgetdev.h b/arch/ia64/sn/include/xtalk/xwidgetdev.h
new file mode 100644
index 000000000..2800eda0f
--- /dev/null
+++ b/arch/ia64/sn/include/xtalk/xwidgetdev.h
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved.
+ */
+#ifndef _ASM_IA64_SN_XTALK_XWIDGET_H
+#define _ASM_IA64_SN_XTALK_XWIDGET_H
+
+/* WIDGET_ID */
+#define WIDGET_REV_NUM                  0xf0000000
+#define WIDGET_PART_NUM                 0x0ffff000
+#define WIDGET_MFG_NUM                  0x00000ffe
+#define WIDGET_REV_NUM_SHFT             28
+#define WIDGET_PART_NUM_SHFT            12
+#define WIDGET_MFG_NUM_SHFT             1
+
+#define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
+#define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
+#define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
+#define XWIDGET_PART_REV_NUM(widgetid) ((XWIDGET_PART_NUM(widgetid) << 4) | \
+                                        XWIDGET_REV_NUM(widgetid))
+#define XWIDGET_PART_REV_NUM_REV(partrev) (partrev & 0xf)
+
+/* widget configuration registers */
+struct widget_cfg{
+	u32	w_id;	/* 0x04 */
+	u32	w_pad_0;	/* 0x00 */
+	u32	w_status;	/* 0x0c */
+	u32	w_pad_1;	/* 0x08 */
+	u32	w_err_upper_addr;	/* 0x14 */
+	u32	w_pad_2;	/* 0x10 */
+	u32	w_err_lower_addr;	/* 0x1c */
+	u32	w_pad_3;	/* 0x18 */
+	u32	w_control;	/* 0x24 */
+	u32	w_pad_4;	/* 0x20 */
+	u32	w_req_timeout;	/* 0x2c */
+	u32	w_pad_5;	/* 0x28 */
+	u32	w_intdest_upper_addr;	/* 0x34 */
+	u32	w_pad_6;	/* 0x30 */
+	u32	w_intdest_lower_addr;	/* 0x3c */
+	u32	w_pad_7;	/* 0x38 */
+	u32	w_err_cmd_word;	/* 0x44 */
+	u32	w_pad_8;	/* 0x40 */
+	u32	w_llp_cfg;	/* 0x4c */
+	u32	w_pad_9;	/* 0x48 */
+	u32	w_tflush;	/* 0x54 */
+	u32	w_pad_10;	/* 0x50 */
+};
+
+/*
+ * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
+ */
+struct xwidget_hwid{
+	int		mfg_num;
+	int		rev_num;
+	int		part_num;
+};
+
+struct xwidget_info{
+
+	struct xwidget_hwid	xwi_hwid;	/* Widget Identification */
+	char			xwi_masterxid;	/* Hub's Widget Port Number */
+	void			*xwi_hubinfo;     /* Hub's provider private info */
+	u64			*xwi_hub_provider; /* prom provider functions */
+	void			*xwi_vertex;
+};
+
+#endif                          /* _ASM_IA64_SN_XTALK_XWIDGET_H */