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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-m68knommu/] [m68en302.h] - Blame information for rev 1765

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Line No. Rev Author Line
1 1633 jcastillo
#ifndef _m68en302_h_
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#define _m68en302_h_
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#ifndef _m68302_h_
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#include <asm/m68302.h>
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#endif
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//#define MOBARV        0xFFE000
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#define MOBARV  0xF80000
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#define MOBARREG 0xEE
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#define IER     MOBARV+2                /* INTERRUPT EXTENSION REGISTER */
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#define ECNTRL0         MOBARV+0x800
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#define EDMA0           MOBARV+0x802
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#define EMRBRL0         MOBARV+0x804
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#define INTR_VECT0  MOBARV+0x806
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#define INTR_EVENT0 MOBARV+0x808
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#define INTR_MASK0      MOBARV+0x80A
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#define ECNFIG0         MOBARV+0x80C
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#define ETHER_TEST0     MOBARV+0x80E
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#define AR_CNTRL0       MOBARV+0x810
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#define CET0            MOBARV+0xA00
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#define EBD0            MOBARV+0xC00
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#define ECNTRL_GTS 0x04
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#define ECNTRL_ETHER_EN 0x02
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#define ECNTRL_RESET 0x01
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struct _68EN302_ECNTRL
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{
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        unsigned short MBZ:13;          /* must be zero */
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        unsigned short GTS:1;           /* graceful transmit stop */
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        unsigned short ETHER_EN:1;      /* ethernet enable */
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        unsigned short RESET:1;         /* ethernet controller reset */
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};
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struct _68EN302_EDMA
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{
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        unsigned short BDERR:7;         /* Buffer descriptor error number */
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        unsigned short MBZ:1;           /* must be zero */
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        unsigned short BDSIZE:2;        /* buffer descritor size */
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        unsigned short TSRLY:1;         /* transmit start early */
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        unsigned short WMRK:2;          /* FIFO water mark */
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        unsigned short BLIM:3;          /* burst limit     */
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};
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/* ethernet test regsiter bits */
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#define ETHR_TWS        0x0001
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#define ETHR_RWS        0x0002
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#define ETHR_DRTY       0x0004
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#define ETHR_COLL       0x0008
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#define ETHR_SLOT       0x0010
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#define ETHR_TRND       0x0020
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#define ETHR_TBO        0x0040
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#define ETHR_BGT        0x0080
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/* address control register bits */
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#define ETHR_HASH_EN    0x8000
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#define ETHR_INDEX_EN   0x4000
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#define ETHR_MULT               0x3000
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#define ETHR_PA_REJ             0x0800
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#define ETHR_PROM               0x0400
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struct _68EN302_AR_CNTRL
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{
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        unsigned short HASH_EN:1;
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        unsigned short INDEX_EN:1;
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        unsigned short MULT:2;
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        unsigned short PA_REJ:1;
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        unsigned short PROM:1;
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        unsigned short MBZ:10;
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};
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struct  _68EN302_ETHR_IVEC
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{
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        unsigned short MBZ:7;
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        unsigned short VG:1;
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        unsigned short INV:8;
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};
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union _68EN302_ETHR_RXBD_FLAGS
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{
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        unsigned short w;
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        struct
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        {
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                unsigned short E:1,RO:1,W:1,I:1,L:1,F:1, :1, M:1, :2, LG:1,NO:1,SH:1,CR:1,OV:1,CL:1;
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        } s;
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};
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struct _68EN302_ETHR_RXBD
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{
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        union _68EN302_ETHR_RXBD_FLAGS flags;
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        unsigned short length;
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        union
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        {
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                unsigned long   l;
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                struct
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                {
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                        unsigned  long Reason:2;
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                        unsigned  long ARIndex:6;
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                        unsigned  long Pointer:24;
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                } s;
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        } address;
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};
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union _68EN302_ETHR_TXBD_FLAGS
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{
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        unsigned short w;
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        struct
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        {
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                unsigned short R:1,TO:1,W:1,I:1,L:1,TC:1,
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                                           DEF:1, HB:1, LC:1;
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                unsigned short RL:1,
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                                           xRC:4,
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                                                UN:1, CSL:1;
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        } s;
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};
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struct _68EN302_ETHR_TXBD
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{
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        union _68EN302_ETHR_TXBD_FLAGS flags;
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        unsigned short length;
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        unsigned long  address;
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};
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union  _68EN302_ETHR_BD
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{
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        struct  _68EN302_ETHR_TXBD tx;
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        struct  _68EN302_ETHR_RXBD rx;
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};
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struct _68EN302_ETHR
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{
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        struct _68EN302_ECNTRL          ECNTRL;
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        struct _68EN302_EDMA            EDMA;
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        unsigned short                          EMRBRL;
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        struct  _68EN302_ETHR_IVEC      INTR_VEC;
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/* interrupt masks */
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        unsigned short                          INTR_EVENT;
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        unsigned short                          INTR_MASK;
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#define ETHR_RXB        0x0001
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#define ETHR_TXB        0x0002 
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#define ETHR_BSY        0x0004
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#define ETHR_RFINT      0x0008
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#define ETHR_TFINT      0x0010
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#define ETHR_EBERR      0x0020
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#define ETHR_BOD        0x0040
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#define ETHR_GRA        0x0080
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#define ETHR_BABT       0x0100
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#define ETHR_BABR       0x0200
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#define ETHR_HBERR      0x0400
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/* ethernet configuration refitser bits */
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        unsigned short                          ECNFIG;
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#define ETHR_LOOP 0x0001
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#define ETHR_FDEN 0x0002
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#define ETHR_HDC  0x0004
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#define ETHR_RDT  0x0008
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        unsigned short                          ETHER_TEST;
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        struct _68EN302_AR_CNTRL        AR_CNTRL;
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};
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#define _68EN302_MAX_CET 64
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struct _68EN302_ETHR_BLOCK
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{
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        struct  _68EN302_ETHR           info;
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        unsigned char                           dummy[0x9ff+1-0x812];
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        unsigned char                           CET[_68EN302_MAX_CET][8];
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        union  _68EN302_ETHR_BD         BD[128];
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};
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#endif

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