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/*
* 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 */