1*384740dcSRalf Baechle /* 2*384740dcSRalf Baechle * This file is subject to the terms and conditions of the GNU General Public 3*384740dcSRalf Baechle * License. See the file "COPYING" in the main directory of this archive 4*384740dcSRalf Baechle * for more details. 5*384740dcSRalf Baechle * 6*384740dcSRalf Baechle * xtalk.h -- platform-independent crosstalk interface, derived from 7*384740dcSRalf Baechle * IRIX <sys/PCI/bridge.h>, revision 1.38. 8*384740dcSRalf Baechle * 9*384740dcSRalf Baechle * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc. 10*384740dcSRalf Baechle * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) 11*384740dcSRalf Baechle */ 12*384740dcSRalf Baechle #ifndef _ASM_XTALK_XTALK_H 13*384740dcSRalf Baechle #define _ASM_XTALK_XTALK_H 14*384740dcSRalf Baechle 15*384740dcSRalf Baechle #ifndef __ASSEMBLY__ 16*384740dcSRalf Baechle /* 17*384740dcSRalf Baechle * User-level device driver visible types 18*384740dcSRalf Baechle */ 19*384740dcSRalf Baechle typedef char xwidgetnum_t; /* xtalk widget number (0..15) */ 20*384740dcSRalf Baechle 21*384740dcSRalf Baechle #define XWIDGET_NONE -1 22*384740dcSRalf Baechle 23*384740dcSRalf Baechle typedef int xwidget_part_num_t; /* xtalk widget part number */ 24*384740dcSRalf Baechle 25*384740dcSRalf Baechle #define XWIDGET_PART_NUM_NONE -1 26*384740dcSRalf Baechle 27*384740dcSRalf Baechle typedef int xwidget_rev_num_t; /* xtalk widget revision number */ 28*384740dcSRalf Baechle 29*384740dcSRalf Baechle #define XWIDGET_REV_NUM_NONE -1 30*384740dcSRalf Baechle 31*384740dcSRalf Baechle typedef int xwidget_mfg_num_t; /* xtalk widget manufacturing ID */ 32*384740dcSRalf Baechle 33*384740dcSRalf Baechle #define XWIDGET_MFG_NUM_NONE -1 34*384740dcSRalf Baechle 35*384740dcSRalf Baechle typedef struct xtalk_piomap_s *xtalk_piomap_t; 36*384740dcSRalf Baechle 37*384740dcSRalf Baechle /* It is often convenient to fold the XIO target port 38*384740dcSRalf Baechle * number into the XIO address. 39*384740dcSRalf Baechle */ 40*384740dcSRalf Baechle #define XIO_NOWHERE (0xFFFFFFFFFFFFFFFFull) 41*384740dcSRalf Baechle #define XIO_ADDR_BITS (0x0000FFFFFFFFFFFFull) 42*384740dcSRalf Baechle #define XIO_PORT_BITS (0xF000000000000000ull) 43*384740dcSRalf Baechle #define XIO_PORT_SHIFT (60) 44*384740dcSRalf Baechle 45*384740dcSRalf Baechle #define XIO_PACKED(x) (((x)&XIO_PORT_BITS) != 0) 46*384740dcSRalf Baechle #define XIO_ADDR(x) ((x)&XIO_ADDR_BITS) 47*384740dcSRalf Baechle #define XIO_PORT(x) ((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT)) 48*384740dcSRalf Baechle #define XIO_PACK(p, o) ((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS)) 49*384740dcSRalf Baechle 50*384740dcSRalf Baechle #endif /* !__ASSEMBLY__ */ 51*384740dcSRalf Baechle 52*384740dcSRalf Baechle #endif /* _ASM_XTALK_XTALK_H */ 53