1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved.
7  */
8 #ifndef _ASM_IA64_SN_XTALK_XWIDGET_H
9 #define _ASM_IA64_SN_XTALK_XWIDGET_H
10 
11 /* WIDGET_ID */
12 #define WIDGET_REV_NUM                  0xf0000000
13 #define WIDGET_PART_NUM                 0x0ffff000
14 #define WIDGET_MFG_NUM                  0x00000ffe
15 #define WIDGET_REV_NUM_SHFT             28
16 #define WIDGET_PART_NUM_SHFT            12
17 #define WIDGET_MFG_NUM_SHFT             1
18 
19 #define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
20 #define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
21 #define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
22 #define XWIDGET_PART_REV_NUM(widgetid) ((XWIDGET_PART_NUM(widgetid) << 4) | \
23                                         XWIDGET_REV_NUM(widgetid))
24 #define XWIDGET_PART_REV_NUM_REV(partrev) (partrev & 0xf)
25 
26 /* widget configuration registers */
27 struct widget_cfg{
28 	u32	w_id;	/* 0x04 */
29 	u32	w_pad_0;	/* 0x00 */
30 	u32	w_status;	/* 0x0c */
31 	u32	w_pad_1;	/* 0x08 */
32 	u32	w_err_upper_addr;	/* 0x14 */
33 	u32	w_pad_2;	/* 0x10 */
34 	u32	w_err_lower_addr;	/* 0x1c */
35 	u32	w_pad_3;	/* 0x18 */
36 	u32	w_control;	/* 0x24 */
37 	u32	w_pad_4;	/* 0x20 */
38 	u32	w_req_timeout;	/* 0x2c */
39 	u32	w_pad_5;	/* 0x28 */
40 	u32	w_intdest_upper_addr;	/* 0x34 */
41 	u32	w_pad_6;	/* 0x30 */
42 	u32	w_intdest_lower_addr;	/* 0x3c */
43 	u32	w_pad_7;	/* 0x38 */
44 	u32	w_err_cmd_word;	/* 0x44 */
45 	u32	w_pad_8;	/* 0x40 */
46 	u32	w_llp_cfg;	/* 0x4c */
47 	u32	w_pad_9;	/* 0x48 */
48 	u32	w_tflush;	/* 0x54 */
49 	u32	w_pad_10;	/* 0x50 */
50 };
51 
52 /*
53  * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
54  */
55 struct xwidget_hwid{
56 	int		mfg_num;
57 	int		rev_num;
58 	int		part_num;
59 };
60 
61 struct xwidget_info{
62 
63 	struct xwidget_hwid	xwi_hwid;	/* Widget Identification */
64 	char			xwi_masterxid;	/* Hub's Widget Port Number */
65 	void			*xwi_hubinfo;     /* Hub's provider private info */
66 	u64			*xwi_hub_provider; /* prom provider functions */
67 	void			*xwi_vertex;
68 };
69 
70 #endif                          /* _ASM_IA64_SN_XTALK_XWIDGET_H */
71