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52 lines
1.5 KiB
52 lines
1.5 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* xtalk.h -- platform-independent crosstalk interface, derived from |
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* IRIX <sys/PCI/bridge.h>, revision 1.38. |
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* |
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* Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc. |
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* Copyright (C) 1999 Ralf Baechle ([email protected]) |
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*/ |
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#ifndef _ASM_XTALK_XTALK_H |
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#define _ASM_XTALK_XTALK_H |
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#ifndef __ASSEMBLY__ |
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/* |
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* User-level device driver visible types |
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*/ |
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typedef char xwidgetnum_t; /* xtalk widget number (0..15) */ |
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#define XWIDGET_NONE -1 |
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typedef int xwidget_part_num_t; /* xtalk widget part number */ |
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#define XWIDGET_PART_NUM_NONE -1 |
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typedef int xwidget_rev_num_t; /* xtalk widget revision number */ |
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#define XWIDGET_REV_NUM_NONE -1 |
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typedef int xwidget_mfg_num_t; /* xtalk widget manufacturing ID */ |
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#define XWIDGET_MFG_NUM_NONE -1 |
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typedef struct xtalk_piomap_s *xtalk_piomap_t; |
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/* It is often convenient to fold the XIO target port |
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* number into the XIO address. |
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*/ |
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#define XIO_NOWHERE (0xFFFFFFFFFFFFFFFFull) |
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#define XIO_ADDR_BITS (0x0000FFFFFFFFFFFFull) |
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#define XIO_PORT_BITS (0xF000000000000000ull) |
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#define XIO_PORT_SHIFT (60) |
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#define XIO_PACKED(x) (((x)&XIO_PORT_BITS) != 0) |
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#define XIO_ADDR(x) ((x)&XIO_ADDR_BITS) |
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#define XIO_PORT(x) ((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT)) |
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#define XIO_PACK(p, o) ((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS)) |
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#endif /* !__ASSEMBLY__ */ |
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#endif /* _ASM_XTALK_XTALK_H */
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