blob: c5f4bc5cc033c155dfbbbdfd650aa87b7dd4a718 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
27struct widget_cfg{
28 uint32_t w_id; /* 0x04 */
29 uint32_t w_pad_0; /* 0x00 */
30 uint32_t w_status; /* 0x0c */
31 uint32_t w_pad_1; /* 0x08 */
32 uint32_t w_err_upper_addr; /* 0x14 */
33 uint32_t w_pad_2; /* 0x10 */
34 uint32_t w_err_lower_addr; /* 0x1c */
35 uint32_t w_pad_3; /* 0x18 */
36 uint32_t w_control; /* 0x24 */
37 uint32_t w_pad_4; /* 0x20 */
38 uint32_t w_req_timeout; /* 0x2c */
39 uint32_t w_pad_5; /* 0x28 */
40 uint32_t w_intdest_upper_addr; /* 0x34 */
41 uint32_t w_pad_6; /* 0x30 */
42 uint32_t w_intdest_lower_addr; /* 0x3c */
43 uint32_t w_pad_7; /* 0x38 */
44 uint32_t w_err_cmd_word; /* 0x44 */
45 uint32_t w_pad_8; /* 0x40 */
46 uint32_t w_llp_cfg; /* 0x4c */
47 uint32_t w_pad_9; /* 0x48 */
48 uint32_t w_tflush; /* 0x54 */
49 uint32_t w_pad_10; /* 0x50 */
50};
51
52/*
53 * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
54 */
55struct xwidget_hwid{
56 int mfg_num;
57 int rev_num;
58 int part_num;
59};
60
61struct 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 uint64_t *xwi_hub_provider; /* prom provider functions */
67 void *xwi_vertex;
68};
69
70#endif /* _ASM_IA64_SN_XTALK_XWIDGET_H */