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C/C++ Source or Header  |  2008-12-24  |  2.2 KB  |  71 lines
  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.