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Diffstat (limited to 'system/alpha/h/ssb.h')
| -rw-r--r-- | system/alpha/h/ssb.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/system/alpha/h/ssb.h b/system/alpha/h/ssb.h new file mode 100644 index 000000000..057f2dca5 --- /dev/null +++ b/system/alpha/h/ssb.h @@ -0,0 +1,183 @@ +#ifndef __SSB_H_LOADED +#define __SSB_H_LOADED +/***************************************************************************** + + Copyright © 1993, 1994 Digital Equipment Corporation, + Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided +that the copyright notice and this permission notice appear in all copies +of software and supporting documentation, and that the name of Digital not +be used in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. Digital grants this permission +provided that you prominently mark, as not part of the original, any +modifications made to this software or documentation. + +Digital Equipment Corporation disclaims all warranties and/or guarantees +with regard to this software, including all implied warranties of fitness for +a particular purpose and merchantability, and makes no representations +regarding the use of, or the results of the use of, the software and +documentation in terms of correctness, accuracy, reliability, currentness or +otherwise; and you rely on the software, documentation and results solely at +your own risk. + +******************************************************************************/ + +/* + * $Id: ssb.h,v 1.1.1.1 1997/10/30 23:27:17 verghese Exp $; + */ + +/* + * $Log: ssb.h,v $ + * Revision 1.1.1.1 1997/10/30 23:27:17 verghese + * current 10/29/97 + * + * Revision 1.3 1994/08/05 20:13:47 fdh + * Updated Copyright header and RCS $Id: identifier. + * + * Revision 1.2 1994/06/20 14:18:59 fdh + * Fixup header file preprocessor #include conditionals. + * + * Revision 1.1 1993/06/08 19:56:16 fdh + * Initial revision + * + */ + + + +/* ssbinit */ +/* Set up SSB definitions */ +/* Last modified on 1/3/91 by L. Stewart */ + +#define SSB_stcreset1 0x0800 /* CR_DIR */ +#define SSB_stcreset2 0x3820 /* CR_CABEN | CR_AUTO | CR_DIR */ + /* | CR_FIFOMR */ + +#define SSB_TagCable 0 +#define SSB_TagSlot 3 +#define SSB_TagTVA 2 +#define SSB_TagRFA 1 +#define SSB_TagORF 5 +#define SSB_TagStartTV 4 +#define SSB_TagTVStat 6 +#define SSB_TagLocalStat 7 + +#define SSB_AdrLocalStat 0x4000 +#define SSB_AdrSRA 0x8000 +#define SSB_AdrSRB 0x8001 + +#define SSB_LCRenable 0x1 +#define SSB_LCRclrstat 0x2 +#define SSB_LCRfifomr 0x4 +#define SSB_LCRreset 0x8 +#define SSB_LCRled 0x10 + +#define SSB_LSTfifoff 0x100 +#define SSB_LSTfifohf 0x200 +#define SSB_LSTfifoef 0x400 +#define SSB_LSTinst 0x800 +#define SSB_LSTid 0x1000 +#define SSB_LSTotherinst 0x2000 +#define SSB_LSTcnfg0 0x4000 +#define SSB_LSTcnfg1 0x8000 +#define SSB_LSTnode 0xf000 + +#define SSB_CRrParityS 0x01 +#define SSB_CRdataWP 0x02 +#define SSB_CRadrWP 0x04 +#define SSB_CRerrEnable 0x08 +#define SSB_CRreset 0x10 +#define SSB_CRdoConfig 0x20 +#define SSB_CRnodeClock 0x40 + +#define SSB_SRAshared 0x00000080 +#define SSB_SRAdirty 0x00100000 +#define SSB_SRAnType 0x80000000 + +#define SSB_PSRinst 0x001 +#define SSB_PSRmerror 0x002 +#define SSB_PSRreset 0x004 +#define SSB_PSRerror 0x008 +#define SSB_PSRserror 0x010 +#define SSB_PSRisr 0x7e0 + +struct SSB_lsrtype { + unsigned sequence : 8; + unsigned slot : 8; + unsigned mix : 4; + unsigned inst : 1; + unsigned ef : 1; + unsigned hf : 1; + unsigned ff : 1; + unsigned crpad : 3; + unsigned crled : 1; + unsigned crreset : 1; + unsigned crfifomr : 1; + unsigned crclrstat : 1; + unsigned crenable : 1; +}; + +struct SSB_pstattype { + unsigned pad : 21; + unsigned isr : 6; + unsigned serror : 1; + unsigned error : 1; + unsigned reset : 1; + unsigned merror : 1; + unsigned inst : 1; +}; + +struct SSB_sratype { + unsigned nodeType : 1; + unsigned p0stat: 11; + unsigned dirty : 1; + unsigned p1stat : 11; + unsigned shared : 1; + unsigned cr : 7; +}; + +struct SSB_srbtype { + unsigned p1count : 8; + unsigned p0count : 8; + unsigned arbcount : 16; +}; + +extern int ssb_sequence; +extern int ssb_localcr; +extern int ssb_maincr; +extern int ssb_port; +extern int ssb_node; +extern int ssb_config1; +extern int ssb_config0; +extern int ssb_lastsra; +extern int ssb_lastsrb; +extern int ssb_lastlsr; +extern int ssb_lastieecc; +extern struct SSB_lsrtype ssb_lsr; +extern int ssb_mix; +extern struct SSB_sratype ssb_sra; +extern struct SSB_srbtype ssb_srb; +extern int ssb_resid; +extern struct SSB_pstattype ssb_portstatus; + + +/* ssb routines */ +#define SSB_CR SSB_stcreset2 +#define SSBCH 1020 + +#define SSB_CABLE(x) (wfifo(x, SSB_TagCable)) +#define SSB_LDSLOT(x) (wfifo(x, SSB_TagSlot)) +#define SSB_LDTVA(x, w) (wfifo((x) | ((w) ? 0x80000000 : 0), SSB_TagTVA)) +#define SSB_LDRFA(a, c) (wfifo(((255 - c) << 16) + a, SSB_TagRFA)) +#define SSB_LDORF(x) (wfifo(x, SSB_TagORF)) +#define SSB_STARTTV(a, c, w) (wfifo(( (w << 15) | ((255 - c) << 16) | a), SSB_TagStartTV )) +#define SSB_TVSTAT(x) (wfifo(x, SSB_TagTVStat)) +#define SSB_LOCALSTAT(x) (wfifo(x, SSB_TagLocalStat)) + +#define SSB_CFF() ( STC_SETCR(tvp->crmask & ~STC_CRFIFOMR), \ + STC_SETCR(tvp->crmask | STC_CRFIFOMR) ) + +#endif /* __SSB_H_LOADED */ |