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Diffstat (limited to 'include/asm-mips64/sn/sn1/slotnum.h')
| -rw-r--r-- | include/asm-mips64/sn/sn1/slotnum.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/include/asm-mips64/sn/sn1/slotnum.h b/include/asm-mips64/sn/sn1/slotnum.h new file mode 100644 index 000000000..2ad644bb7 --- /dev/null +++ b/include/asm-mips64/sn/sn1/slotnum.h @@ -0,0 +1,86 @@ +/* $Id$ + * + * 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 Silicon Graphics, Inc. + * Copyright (C) 2000 by Colin Ngam + */ + +#ifndef _ASM_SN_SN1_SLOTNUM_H +#define _ASM_SN_SN1_SLOTNUM_H + +#define SLOTNUM_MAXLENGTH 16 + +/* + * This file attempts to define a slot number space across all slots + * a IP27 module. Here, we deal with the top level slots. + * + * Node slots + * Router slots + * Crosstalk slots + * + * Other slots are children of their parent crosstalk slot: + * PCI slots + * VME slots + */ +#include <slotnum.h> + +#ifdef NOTDEF /* moved to sys/slotnum.h */ +#define SLOTNUM_NODE_CLASS 0x00 /* Node */ +#define SLOTNUM_ROUTER_CLASS 0x10 /* Router */ +#define SLOTNUM_XTALK_CLASS 0x20 /* Xtalk */ +#define SLOTNUM_MIDPLANE_CLASS 0x30 /* Midplane */ +#define SLOTNUM_XBOW_CLASS 0x40 /* Xbow */ +#define SLOTNUM_KNODE_CLASS 0x50 /* Kego node */ +#define SLOTNUM_INVALID_CLASS 0xf0 /* Invalid */ + +#define SLOTNUM_CLASS_MASK 0xf0 +#define SLOTNUM_SLOT_MASK 0x0f + +#define SLOTNUM_GETCLASS(_sn) ((_sn) & SLOTNUM_CLASS_MASK) +#define SLOTNUM_GETSLOT(_sn) ((_sn) & SLOTNUM_SLOT_MASK) +#endif /* NOTDEF */ + +/* This determines module to pnode mapping. */ +/* NODESLOTS_PER_MODULE has changed from 4 to 6 + * to support the 12P 4IO configuration. This change + * helps in minimum number of changes to code which + * depend on the number of node boards within a module. + */ +#define NODESLOTS_PER_MODULE 6 +#define NODESLOTS_PER_MODULE_SHFT 2 + +#define HIGHEST_I2C_VISIBLE_NODESLOT 4 +#define RTRSLOTS_PER_MODULE 2 + +#if _KERNEL +#include <xtalk/xtalk.h> + +extern slotid_t xbwidget_to_xtslot(int crossbow, int widget); +extern slotid_t hub_slotbits_to_slot(slotid_t slotbits); +extern slotid_t hub_slot_to_crossbow(slotid_t hub_slot); +extern slotid_t router_slotbits_to_slot(slotid_t slotbits); +extern slotid_t get_node_slotid(nasid_t nasid); +extern slotid_t get_my_slotid(void); +extern slotid_t get_node_crossbow(nasid_t); +extern xwidgetnum_t hub_slot_to_widget(slotid_t); +extern void get_slotname(slotid_t, char *); +extern void get_my_slotname(char *); +extern slotid_t get_widget_slotnum(int xbow, int widget); +extern void get_widget_slotname(int, int, char *); +extern void router_slotbits_to_slotname(int, char *); +extern slotid_t meta_router_slotbits_to_slot(slotid_t) ; +extern slotid_t hub_slot_get(void); + +extern int node_can_talk_to_elsc(void); + +extern int slot_to_widget(int) ; +#define MAX_IO_SLOT_NUM 12 +#define MAX_NODE_SLOT_NUM 4 +#define MAX_ROUTER_SLOTNUM 2 + +#endif /* _KERNEL */ + +#endif /* _ASM_SN_SN1_SLOTNUM_H */ |