|  | /* | 
|  | Copyright 1994 Digital Equipment Corporation. | 
|  |  | 
|  | This software may be used and distributed according to  the terms of the | 
|  | GNU General Public License, incorporated herein by reference. | 
|  |  | 
|  | The author may    be  reached as davies@wanton.lkg.dec.com  or   Digital | 
|  | Equipment Corporation, 550 King Street, Littleton MA 01460. | 
|  |  | 
|  | ========================================================================= | 
|  | */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 CSR<1..15> Register Address Map | 
|  | */ | 
|  | #define DE4X5_BMR    iobase+(0x000 << lp->bus)  /* Bus Mode Register */ | 
|  | #define DE4X5_TPD    iobase+(0x008 << lp->bus)  /* Transmit Poll Demand Reg */ | 
|  | #define DE4X5_RPD    iobase+(0x010 << lp->bus)  /* Receive Poll Demand Reg */ | 
|  | #define DE4X5_RRBA   iobase+(0x018 << lp->bus)  /* RX Ring Base Address Reg */ | 
|  | #define DE4X5_TRBA   iobase+(0x020 << lp->bus)  /* TX Ring Base Address Reg */ | 
|  | #define DE4X5_STS    iobase+(0x028 << lp->bus)  /* Status Register */ | 
|  | #define DE4X5_OMR    iobase+(0x030 << lp->bus)  /* Operation Mode Register */ | 
|  | #define DE4X5_IMR    iobase+(0x038 << lp->bus)  /* Interrupt Mask Register */ | 
|  | #define DE4X5_MFC    iobase+(0x040 << lp->bus)  /* Missed Frame Counter */ | 
|  | #define DE4X5_APROM  iobase+(0x048 << lp->bus)  /* Ethernet Address PROM */ | 
|  | #define DE4X5_BROM   iobase+(0x048 << lp->bus)  /* Boot ROM Register */ | 
|  | #define DE4X5_SROM   iobase+(0x048 << lp->bus)  /* Serial ROM Register */ | 
|  | #define DE4X5_MII    iobase+(0x048 << lp->bus)  /* MII Interface Register */ | 
|  | #define DE4X5_DDR    iobase+(0x050 << lp->bus)  /* Data Diagnostic Register */ | 
|  | #define DE4X5_FDR    iobase+(0x058 << lp->bus)  /* Full Duplex Register */ | 
|  | #define DE4X5_GPT    iobase+(0x058 << lp->bus)  /* General Purpose Timer Reg.*/ | 
|  | #define DE4X5_GEP    iobase+(0x060 << lp->bus)  /* General Purpose Register */ | 
|  | #define DE4X5_SISR   iobase+(0x060 << lp->bus)  /* SIA Status Register */ | 
|  | #define DE4X5_SICR   iobase+(0x068 << lp->bus)  /* SIA Connectivity Register */ | 
|  | #define DE4X5_STRR   iobase+(0x070 << lp->bus)  /* SIA TX/RX Register */ | 
|  | #define DE4X5_SIGR   iobase+(0x078 << lp->bus)  /* SIA General Register */ | 
|  |  | 
|  | /* | 
|  | ** EISA Register Address Map | 
|  | */ | 
|  | #define EISA_ID      iobase+0x0c80   /* EISA ID Registers */ | 
|  | #define EISA_ID0     iobase+0x0c80   /* EISA ID Register 0 */ | 
|  | #define EISA_ID1     iobase+0x0c81   /* EISA ID Register 1 */ | 
|  | #define EISA_ID2     iobase+0x0c82   /* EISA ID Register 2 */ | 
|  | #define EISA_ID3     iobase+0x0c83   /* EISA ID Register 3 */ | 
|  | #define EISA_CR      iobase+0x0c84   /* EISA Control Register */ | 
|  | #define EISA_REG0    iobase+0x0c88   /* EISA Configuration Register 0 */ | 
|  | #define EISA_REG1    iobase+0x0c89   /* EISA Configuration Register 1 */ | 
|  | #define EISA_REG2    iobase+0x0c8a   /* EISA Configuration Register 2 */ | 
|  | #define EISA_REG3    iobase+0x0c8f   /* EISA Configuration Register 3 */ | 
|  | #define EISA_APROM   iobase+0x0c90   /* Ethernet Address PROM */ | 
|  |  | 
|  | /* | 
|  | ** PCI/EISA Configuration Registers Address Map | 
|  | */ | 
|  | #define PCI_CFID     iobase+0x0008   /* PCI Configuration ID Register */ | 
|  | #define PCI_CFCS     iobase+0x000c   /* PCI Command/Status Register */ | 
|  | #define PCI_CFRV     iobase+0x0018   /* PCI Revision Register */ | 
|  | #define PCI_CFLT     iobase+0x001c   /* PCI Latency Timer Register */ | 
|  | #define PCI_CBIO     iobase+0x0028   /* PCI Base I/O Register */ | 
|  | #define PCI_CBMA     iobase+0x002c   /* PCI Base Memory Address Register */ | 
|  | #define PCI_CBER     iobase+0x0030   /* PCI Expansion ROM Base Address Reg. */ | 
|  | #define PCI_CFIT     iobase+0x003c   /* PCI Configuration Interrupt Register */ | 
|  | #define PCI_CFDA     iobase+0x0040   /* PCI Driver Area Register */ | 
|  | #define PCI_CFDD     iobase+0x0041   /* PCI Driver Dependent Area Register */ | 
|  | #define PCI_CFPM     iobase+0x0043   /* PCI Power Management Area Register */ | 
|  |  | 
|  | /* | 
|  | ** EISA Configuration Register 0 bit definitions | 
|  | */ | 
|  | #define ER0_BSW       0x80           /* EISA Bus Slave Width, 1: 32 bits */ | 
|  | #define ER0_BMW       0x40           /* EISA Bus Master Width, 1: 32 bits */ | 
|  | #define ER0_EPT       0x20           /* EISA PREEMPT Time, 0: 23 BCLKs */ | 
|  | #define ER0_ISTS      0x10           /* Interrupt Status (X) */ | 
|  | #define ER0_LI        0x08           /* Latch Interrupts */ | 
|  | #define ER0_INTL      0x06           /* INTerrupt Level */ | 
|  | #define ER0_INTT      0x01           /* INTerrupt Type, 0: Level, 1: Edge */ | 
|  |  | 
|  | /* | 
|  | ** EISA Configuration Register 1 bit definitions | 
|  | */ | 
|  | #define ER1_IAM       0xe0           /* ISA Address Mode */ | 
|  | #define ER1_IAE       0x10           /* ISA Addressing Enable */ | 
|  | #define ER1_UPIN      0x0f           /* User Pins */ | 
|  |  | 
|  | /* | 
|  | ** EISA Configuration Register 2 bit definitions | 
|  | */ | 
|  | #define ER2_BRS       0xc0           /* Boot ROM Size */ | 
|  | #define ER2_BRA       0x3c           /* Boot ROM Address <16:13> */ | 
|  |  | 
|  | /* | 
|  | ** EISA Configuration Register 3 bit definitions | 
|  | */ | 
|  | #define ER3_BWE       0x40           /* Burst Write Enable */ | 
|  | #define ER3_BRE       0x04           /* Burst Read Enable */ | 
|  | #define ER3_LSR       0x02           /* Local Software Reset */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration ID Register (PCI_CFID). The Device IDs are left | 
|  | ** shifted 8 bits to allow detection of DC21142 and DC21143 variants with | 
|  | ** the configuration revision register step number. | 
|  | */ | 
|  | #define CFID_DID    0xff00           /* Device ID */ | 
|  | #define CFID_VID    0x00ff           /* Vendor ID */ | 
|  | #define DC21040_DID 0x0200           /* Unique Device ID # */ | 
|  | #define DC21040_VID 0x1011           /* DC21040 Manufacturer */ | 
|  | #define DC21041_DID 0x1400           /* Unique Device ID # */ | 
|  | #define DC21041_VID 0x1011           /* DC21041 Manufacturer */ | 
|  | #define DC21140_DID 0x0900           /* Unique Device ID # */ | 
|  | #define DC21140_VID 0x1011           /* DC21140 Manufacturer */ | 
|  | #define DC2114x_DID 0x1900           /* Unique Device ID # */ | 
|  | #define DC2114x_VID 0x1011           /* DC2114[23] Manufacturer */ | 
|  |  | 
|  | /* | 
|  | ** Chipset defines | 
|  | */ | 
|  | #define DC21040     DC21040_DID | 
|  | #define DC21041     DC21041_DID | 
|  | #define DC21140     DC21140_DID | 
|  | #define DC2114x     DC2114x_DID | 
|  | #define DC21142     (DC2114x_DID | 0x0010) | 
|  | #define DC21143     (DC2114x_DID | 0x0030) | 
|  | #define DC2114x_BRK 0x0020           /* CFRV break between DC21142 & DC21143 */ | 
|  |  | 
|  | #define is_DC21040 ((vendor == DC21040_VID) && (device == DC21040_DID)) | 
|  | #define is_DC21041 ((vendor == DC21041_VID) && (device == DC21041_DID)) | 
|  | #define is_DC21140 ((vendor == DC21140_VID) && (device == DC21140_DID)) | 
|  | #define is_DC2114x ((vendor == DC2114x_VID) && (device == DC2114x_DID)) | 
|  | #define is_DC21142 ((vendor == DC2114x_VID) && (device == DC21142)) | 
|  | #define is_DC21143 ((vendor == DC2114x_VID) && (device == DC21143)) | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Command/Status Register (PCI_CFCS) | 
|  | */ | 
|  | #define CFCS_DPE    0x80000000       /* Detected Parity Error (S) */ | 
|  | #define CFCS_SSE    0x40000000       /* Signal System Error   (S) */ | 
|  | #define CFCS_RMA    0x20000000       /* Receive Master Abort  (S) */ | 
|  | #define CFCS_RTA    0x10000000       /* Receive Target Abort  (S) */ | 
|  | #define CFCS_DST    0x06000000       /* DEVSEL Timing         (S) */ | 
|  | #define CFCS_DPR    0x01000000       /* Data Parity Report    (S) */ | 
|  | #define CFCS_FBB    0x00800000       /* Fast Back-To-Back     (S) */ | 
|  | #define CFCS_SEE    0x00000100       /* System Error Enable   (C) */ | 
|  | #define CFCS_PER    0x00000040       /* Parity Error Response (C) */ | 
|  | #define CFCS_MO     0x00000004       /* Master Operation      (C) */ | 
|  | #define CFCS_MSA    0x00000002       /* Memory Space Access   (C) */ | 
|  | #define CFCS_IOSA   0x00000001       /* I/O Space Access      (C) */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Revision Register (PCI_CFRV) | 
|  | */ | 
|  | #define CFRV_BC     0xff000000       /* Base Class */ | 
|  | #define CFRV_SC     0x00ff0000       /* Subclass */ | 
|  | #define CFRV_RN     0x000000f0       /* Revision Number */ | 
|  | #define CFRV_SN     0x0000000f       /* Step Number */ | 
|  | #define BASE_CLASS  0x02000000       /* Indicates Network Controller */ | 
|  | #define SUB_CLASS   0x00000000       /* Indicates Ethernet Controller */ | 
|  | #define STEP_NUMBER 0x00000020       /* Increments for future chips */ | 
|  | #define REV_NUMBER  0x00000003       /* 0x00, 0x01, 0x02, 0x03: Rev in Step */ | 
|  | #define CFRV_MASK   0xffff0000       /* Register mask */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Latency Timer Register (PCI_CFLT) | 
|  | */ | 
|  | #define CFLT_BC     0x0000ff00       /* Latency Timer bits */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Base I/O Address Register (PCI_CBIO) | 
|  | */ | 
|  | #define CBIO_MASK   -128             /* Base I/O Address Mask */ | 
|  | #define CBIO_IOSI   0x00000001       /* I/O Space Indicator (RO, value is 1) */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Card Information Structure Register (PCI_CCIS) | 
|  | */ | 
|  | #define CCIS_ROMI   0xf0000000       /* ROM Image */ | 
|  | #define CCIS_ASO    0x0ffffff8       /* Address Space Offset */ | 
|  | #define CCIS_ASI    0x00000007       /* Address Space Indicator */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Subsystem ID Register (PCI_SSID) | 
|  | */ | 
|  | #define SSID_SSID   0xffff0000       /* Subsystem ID */ | 
|  | #define SSID_SVID   0x0000ffff       /* Subsystem Vendor ID */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Expansion ROM Base Address Register (PCI_CBER) | 
|  | */ | 
|  | #define CBER_MASK   0xfffffc00       /* Expansion ROM Base Address Mask */ | 
|  | #define CBER_ROME   0x00000001       /* ROM Enable */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Interrupt Register (PCI_CFIT) | 
|  | */ | 
|  | #define CFIT_MXLT   0xff000000       /* MAX_LAT Value (0.25us periods) */ | 
|  | #define CFIT_MNGT   0x00ff0000       /* MIN_GNT Value (0.25us periods) */ | 
|  | #define CFIT_IRQP   0x0000ff00       /* Interrupt Pin */ | 
|  | #define CFIT_IRQL   0x000000ff       /* Interrupt Line */ | 
|  |  | 
|  | /* | 
|  | ** PCI Configuration Power Management Area Register (PCI_CFPM) | 
|  | */ | 
|  | #define SLEEP       0x80             /* Power Saving Sleep Mode */ | 
|  | #define SNOOZE      0x40             /* Power Saving Snooze Mode */ | 
|  | #define WAKEUP      0x00             /* Power Saving Wakeup */ | 
|  |  | 
|  | #define PCI_CFDA_DSU 0x41            /* 8 bit Configuration Space Address */ | 
|  | #define PCI_CFDA_PSM 0x43            /* 8 bit Configuration Space Address */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Bus Mode Register (DE4X5_BMR) | 
|  | */ | 
|  | #define BMR_RML    0x00200000       /* [Memory] Read Multiple */ | 
|  | #define BMR_DBO    0x00100000       /* Descriptor Byte Ordering (Endian) */ | 
|  | #define BMR_TAP    0x000e0000       /* Transmit Automatic Polling */ | 
|  | #define BMR_DAS    0x00010000       /* Diagnostic Address Space */ | 
|  | #define BMR_CAL    0x0000c000       /* Cache Alignment */ | 
|  | #define BMR_PBL    0x00003f00       /* Programmable Burst Length */ | 
|  | #define BMR_BLE    0x00000080       /* Big/Little Endian */ | 
|  | #define BMR_DSL    0x0000007c       /* Descriptor Skip Length */ | 
|  | #define BMR_BAR    0x00000002       /* Bus ARbitration */ | 
|  | #define BMR_SWR    0x00000001       /* Software Reset */ | 
|  |  | 
|  | /* Timings here are for 10BASE-T/AUI only*/ | 
|  | #define TAP_NOPOLL 0x00000000       /* No automatic polling */ | 
|  | #define TAP_200US  0x00020000       /* TX automatic polling every 200us */ | 
|  | #define TAP_800US  0x00040000       /* TX automatic polling every 800us */ | 
|  | #define TAP_1_6MS  0x00060000       /* TX automatic polling every 1.6ms */ | 
|  | #define TAP_12_8US 0x00080000       /* TX automatic polling every 12.8us */ | 
|  | #define TAP_25_6US 0x000a0000       /* TX automatic polling every 25.6us */ | 
|  | #define TAP_51_2US 0x000c0000       /* TX automatic polling every 51.2us */ | 
|  | #define TAP_102_4US 0x000e0000      /* TX automatic polling every 102.4us */ | 
|  |  | 
|  | #define CAL_NOUSE  0x00000000       /* Not used */ | 
|  | #define CAL_8LONG  0x00004000       /* 8-longword alignment */ | 
|  | #define CAL_16LONG 0x00008000       /* 16-longword alignment */ | 
|  | #define CAL_32LONG 0x0000c000       /* 32-longword alignment */ | 
|  |  | 
|  | #define PBL_0      0x00000000       /*  DMA burst length = amount in RX FIFO */ | 
|  | #define PBL_1      0x00000100       /*  1 longword  DMA burst length */ | 
|  | #define PBL_2      0x00000200       /*  2 longwords DMA burst length */ | 
|  | #define PBL_4      0x00000400       /*  4 longwords DMA burst length */ | 
|  | #define PBL_8      0x00000800       /*  8 longwords DMA burst length */ | 
|  | #define PBL_16     0x00001000       /* 16 longwords DMA burst length */ | 
|  | #define PBL_32     0x00002000       /* 32 longwords DMA burst length */ | 
|  |  | 
|  | #define DSL_0      0x00000000       /*  0 longword  / descriptor */ | 
|  | #define DSL_1      0x00000004       /*  1 longword  / descriptor */ | 
|  | #define DSL_2      0x00000008       /*  2 longwords / descriptor */ | 
|  | #define DSL_4      0x00000010       /*  4 longwords / descriptor */ | 
|  | #define DSL_8      0x00000020       /*  8 longwords / descriptor */ | 
|  | #define DSL_16     0x00000040       /* 16 longwords / descriptor */ | 
|  | #define DSL_32     0x00000080       /* 32 longwords / descriptor */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Transmit Poll Demand Register (DE4X5_TPD) | 
|  | */ | 
|  | #define TPD        0x00000001       /* Transmit Poll Demand */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Receive Poll Demand Register (DE4X5_RPD) | 
|  | */ | 
|  | #define RPD        0x00000001       /* Receive Poll Demand */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Receive Ring Base Address Register (DE4X5_RRBA) | 
|  | */ | 
|  | #define RRBA       0xfffffffc       /* RX Descriptor List Start Address */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Transmit Ring Base Address Register (DE4X5_TRBA) | 
|  | */ | 
|  | #define TRBA       0xfffffffc       /* TX Descriptor List Start Address */ | 
|  |  | 
|  | /* | 
|  | ** Status Register (DE4X5_STS) | 
|  | */ | 
|  | #define STS_GPI    0x04000000       /* General Purpose Port Interrupt */ | 
|  | #define STS_BE     0x03800000       /* Bus Error Bits */ | 
|  | #define STS_TS     0x00700000       /* Transmit Process State */ | 
|  | #define STS_RS     0x000e0000       /* Receive Process State */ | 
|  | #define STS_NIS    0x00010000       /* Normal Interrupt Summary */ | 
|  | #define STS_AIS    0x00008000       /* Abnormal Interrupt Summary */ | 
|  | #define STS_ER     0x00004000       /* Early Receive */ | 
|  | #define STS_FBE    0x00002000       /* Fatal Bus Error */ | 
|  | #define STS_SE     0x00002000       /* System Error */ | 
|  | #define STS_LNF    0x00001000       /* Link Fail */ | 
|  | #define STS_FD     0x00000800       /* Full-Duplex Short Frame Received */ | 
|  | #define STS_TM     0x00000800       /* Timer Expired (DC21041) */ | 
|  | #define STS_ETI    0x00000400       /* Early Transmit Interrupt */ | 
|  | #define STS_AT     0x00000400       /* AUI/TP Pin */ | 
|  | #define STS_RWT    0x00000200       /* Receive Watchdog Time-Out */ | 
|  | #define STS_RPS    0x00000100       /* Receive Process Stopped */ | 
|  | #define STS_RU     0x00000080       /* Receive Buffer Unavailable */ | 
|  | #define STS_RI     0x00000040       /* Receive Interrupt */ | 
|  | #define STS_UNF    0x00000020       /* Transmit Underflow */ | 
|  | #define STS_LNP    0x00000010       /* Link Pass */ | 
|  | #define STS_ANC    0x00000010       /* Autonegotiation Complete */ | 
|  | #define STS_TJT    0x00000008       /* Transmit Jabber Time-Out */ | 
|  | #define STS_TU     0x00000004       /* Transmit Buffer Unavailable */ | 
|  | #define STS_TPS    0x00000002       /* Transmit Process Stopped */ | 
|  | #define STS_TI     0x00000001       /* Transmit Interrupt */ | 
|  |  | 
|  | #define EB_PAR     0x00000000       /* Parity Error */ | 
|  | #define EB_MA      0x00800000       /* Master Abort */ | 
|  | #define EB_TA      0x01000000       /* Target Abort */ | 
|  | #define EB_RES0    0x01800000       /* Reserved */ | 
|  | #define EB_RES1    0x02000000       /* Reserved */ | 
|  |  | 
|  | #define TS_STOP    0x00000000       /* Stopped */ | 
|  | #define TS_FTD     0x00100000       /* Fetch Transmit Descriptor */ | 
|  | #define TS_WEOT    0x00200000       /* Wait for End Of Transmission */ | 
|  | #define TS_QDAT    0x00300000       /* Queue skb data into TX FIFO */ | 
|  | #define TS_RES     0x00400000       /* Reserved */ | 
|  | #define TS_SPKT    0x00500000       /* Setup Packet */ | 
|  | #define TS_SUSP    0x00600000       /* Suspended */ | 
|  | #define TS_CLTD    0x00700000       /* Close Transmit Descriptor */ | 
|  |  | 
|  | #define RS_STOP    0x00000000       /* Stopped */ | 
|  | #define RS_FRD     0x00020000       /* Fetch Receive Descriptor */ | 
|  | #define RS_CEOR    0x00040000       /* Check for End of Receive Packet */ | 
|  | #define RS_WFRP    0x00060000       /* Wait for Receive Packet */ | 
|  | #define RS_SUSP    0x00080000       /* Suspended */ | 
|  | #define RS_CLRD    0x000a0000       /* Close Receive Descriptor */ | 
|  | #define RS_FLUSH   0x000c0000       /* Flush RX FIFO */ | 
|  | #define RS_QRFS    0x000e0000       /* Queue RX FIFO into RX Skb */ | 
|  |  | 
|  | #define INT_CANCEL 0x0001ffff       /* For zeroing all interrupt sources */ | 
|  |  | 
|  | /* | 
|  | ** Operation Mode Register (DE4X5_OMR) | 
|  | */ | 
|  | #define OMR_SC     0x80000000       /* Special Capture Effect Enable */ | 
|  | #define OMR_RA     0x40000000       /* Receive All */ | 
|  | #define OMR_SDP    0x02000000       /* SD Polarity - MUST BE ASSERTED */ | 
|  | #define OMR_SCR    0x01000000       /* Scrambler Mode */ | 
|  | #define OMR_PCS    0x00800000       /* PCS Function */ | 
|  | #define OMR_TTM    0x00400000       /* Transmit Threshold Mode */ | 
|  | #define OMR_SF     0x00200000       /* Store and Forward */ | 
|  | #define OMR_HBD    0x00080000       /* HeartBeat Disable */ | 
|  | #define OMR_PS     0x00040000       /* Port Select */ | 
|  | #define OMR_CA     0x00020000       /* Capture Effect Enable */ | 
|  | #define OMR_BP     0x00010000       /* Back Pressure */ | 
|  | #define OMR_TR     0x0000c000       /* Threshold Control Bits */ | 
|  | #define OMR_ST     0x00002000       /* Start/Stop Transmission Command */ | 
|  | #define OMR_FC     0x00001000       /* Force Collision Mode */ | 
|  | #define OMR_OM     0x00000c00       /* Operating Mode */ | 
|  | #define OMR_FDX    0x00000200       /* Full Duplex Mode */ | 
|  | #define OMR_FKD    0x00000100       /* Flaky Oscillator Disable */ | 
|  | #define OMR_PM     0x00000080       /* Pass All Multicast */ | 
|  | #define OMR_PR     0x00000040       /* Promiscuous Mode */ | 
|  | #define OMR_SB     0x00000020       /* Start/Stop Backoff Counter */ | 
|  | #define OMR_IF     0x00000010       /* Inverse Filtering */ | 
|  | #define OMR_PB     0x00000008       /* Pass Bad Frames */ | 
|  | #define OMR_HO     0x00000004       /* Hash Only Filtering Mode */ | 
|  | #define OMR_SR     0x00000002       /* Start/Stop Receive */ | 
|  | #define OMR_HP     0x00000001       /* Hash/Perfect Receive Filtering Mode */ | 
|  |  | 
|  | #define TR_72      0x00000000       /* Threshold set to 72 (128) bytes */ | 
|  | #define TR_96      0x00004000       /* Threshold set to 96 (256) bytes */ | 
|  | #define TR_128     0x00008000       /* Threshold set to 128 (512) bytes */ | 
|  | #define TR_160     0x0000c000       /* Threshold set to 160 (1024) bytes */ | 
|  |  | 
|  | #define OMR_DEF     (OMR_SDP) | 
|  | #define OMR_SIA     (OMR_SDP | OMR_TTM) | 
|  | #define OMR_SYM     (OMR_SDP | OMR_SCR | OMR_PCS | OMR_HBD | OMR_PS) | 
|  | #define OMR_MII_10  (OMR_SDP | OMR_TTM | OMR_PS) | 
|  | #define OMR_MII_100 (OMR_SDP | OMR_HBD | OMR_PS) | 
|  |  | 
|  | /* | 
|  | ** DC21040 Interrupt Mask Register (DE4X5_IMR) | 
|  | */ | 
|  | #define IMR_GPM    0x04000000       /* General Purpose Port Mask */ | 
|  | #define IMR_NIM    0x00010000       /* Normal Interrupt Summary Mask */ | 
|  | #define IMR_AIM    0x00008000       /* Abnormal Interrupt Summary Mask */ | 
|  | #define IMR_ERM    0x00004000       /* Early Receive Mask */ | 
|  | #define IMR_FBM    0x00002000       /* Fatal Bus Error Mask */ | 
|  | #define IMR_SEM    0x00002000       /* System Error Mask */ | 
|  | #define IMR_LFM    0x00001000       /* Link Fail Mask */ | 
|  | #define IMR_FDM    0x00000800       /* Full-Duplex (Short Frame) Mask */ | 
|  | #define IMR_TMM    0x00000800       /* Timer Expired Mask (DC21041) */ | 
|  | #define IMR_ETM    0x00000400       /* Early Transmit Interrupt Mask */ | 
|  | #define IMR_ATM    0x00000400       /* AUI/TP Switch Mask */ | 
|  | #define IMR_RWM    0x00000200       /* Receive Watchdog Time-Out Mask */ | 
|  | #define IMR_RSM    0x00000100       /* Receive Stopped Mask */ | 
|  | #define IMR_RUM    0x00000080       /* Receive Buffer Unavailable Mask */ | 
|  | #define IMR_RIM    0x00000040       /* Receive Interrupt Mask */ | 
|  | #define IMR_UNM    0x00000020       /* Underflow Interrupt Mask */ | 
|  | #define IMR_ANM    0x00000010       /* Autonegotiation Complete Mask */ | 
|  | #define IMR_LPM    0x00000010       /* Link Pass */ | 
|  | #define IMR_TJM    0x00000008       /* Transmit Time-Out Jabber Mask */ | 
|  | #define IMR_TUM    0x00000004       /* Transmit Buffer Unavailable Mask */ | 
|  | #define IMR_TSM    0x00000002       /* Transmission Stopped Mask */ | 
|  | #define IMR_TIM    0x00000001       /* Transmit Interrupt Mask */ | 
|  |  | 
|  | /* | 
|  | ** Missed Frames and FIFO Overflow Counters (DE4X5_MFC) | 
|  | */ | 
|  | #define MFC_FOCO   0x10000000       /* FIFO Overflow Counter Overflow Bit */ | 
|  | #define MFC_FOC    0x0ffe0000       /* FIFO Overflow Counter Bits */ | 
|  | #define MFC_OVFL   0x00010000       /* Missed Frames Counter Overflow Bit */ | 
|  | #define MFC_CNTR   0x0000ffff       /* Missed Frames Counter Bits */ | 
|  | #define MFC_FOCM   0x1ffe0000       /* FIFO Overflow Counter Mask */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Ethernet Address PROM (DE4X5_APROM) | 
|  | */ | 
|  | #define APROM_DN   0x80000000       /* Data Not Valid */ | 
|  | #define APROM_DT   0x000000ff       /* Address Byte */ | 
|  |  | 
|  | /* | 
|  | ** DC21041 Boot/Ethernet Address ROM (DE4X5_BROM) | 
|  | */ | 
|  | #define BROM_MODE 0x00008000       /* MODE_1: 0,  MODE_0: 1  (read only) */ | 
|  | #define BROM_RD   0x00004000       /* Read from Boot ROM */ | 
|  | #define BROM_WR   0x00002000       /* Write to Boot ROM */ | 
|  | #define BROM_BR   0x00001000       /* Select Boot ROM when set */ | 
|  | #define BROM_SR   0x00000800       /* Select Serial ROM when set */ | 
|  | #define BROM_REG  0x00000400       /* External Register Select */ | 
|  | #define BROM_DT   0x000000ff       /* Data Byte */ | 
|  |  | 
|  | /* | 
|  | ** DC21041 Serial/Ethernet Address ROM (DE4X5_SROM, DE4X5_MII) | 
|  | */ | 
|  | #define MII_MDI   0x00080000       /* MII Management Data In */ | 
|  | #define MII_MDO   0x00060000       /* MII Management Mode/Data Out */ | 
|  | #define MII_MRD   0x00040000       /* MII Management Define Read Mode */ | 
|  | #define MII_MWR   0x00000000       /* MII Management Define Write Mode */ | 
|  | #define MII_MDT   0x00020000       /* MII Management Data Out */ | 
|  | #define MII_MDC   0x00010000       /* MII Management Clock */ | 
|  | #define MII_RD    0x00004000       /* Read from MII */ | 
|  | #define MII_WR    0x00002000       /* Write to MII */ | 
|  | #define MII_SEL   0x00000800       /* Select MII when RESET */ | 
|  |  | 
|  | #define SROM_MODE 0x00008000       /* MODE_1: 0,  MODE_0: 1  (read only) */ | 
|  | #define SROM_RD   0x00004000       /* Read from Boot ROM */ | 
|  | #define SROM_WR   0x00002000       /* Write to Boot ROM */ | 
|  | #define SROM_BR   0x00001000       /* Select Boot ROM when set */ | 
|  | #define SROM_SR   0x00000800       /* Select Serial ROM when set */ | 
|  | #define SROM_REG  0x00000400       /* External Register Select */ | 
|  | #define SROM_DT   0x000000ff       /* Data Byte */ | 
|  |  | 
|  | #define DT_OUT    0x00000008       /* Serial Data Out */ | 
|  | #define DT_IN     0x00000004       /* Serial Data In */ | 
|  | #define DT_CLK    0x00000002       /* Serial ROM Clock */ | 
|  | #define DT_CS     0x00000001       /* Serial ROM Chip Select */ | 
|  |  | 
|  | #define MII_PREAMBLE 0xffffffff    /* MII Management Preamble */ | 
|  | #define MII_TEST     0xaaaaaaaa    /* MII Test Signal */ | 
|  | #define MII_STRD     0x06          /* Start of Frame+Op Code: use low nibble */ | 
|  | #define MII_STWR     0x0a          /* Start of Frame+Op Code: use low nibble */ | 
|  |  | 
|  | #define MII_CR       0x00          /* MII Management Control Register */ | 
|  | #define MII_SR       0x01          /* MII Management Status Register */ | 
|  | #define MII_ID0      0x02          /* PHY Identifier Register 0 */ | 
|  | #define MII_ID1      0x03          /* PHY Identifier Register 1 */ | 
|  | #define MII_ANA      0x04          /* Auto Negotiation Advertisement */ | 
|  | #define MII_ANLPA    0x05          /* Auto Negotiation Link Partner Ability */ | 
|  | #define MII_ANE      0x06          /* Auto Negotiation Expansion */ | 
|  | #define MII_ANP      0x07          /* Auto Negotiation Next Page TX */ | 
|  |  | 
|  | #define DE4X5_MAX_MII 32           /* Maximum address of MII PHY devices */ | 
|  |  | 
|  | /* | 
|  | ** MII Management Control Register | 
|  | */ | 
|  | #define MII_CR_RST  0x8000         /* RESET the PHY chip */ | 
|  | #define MII_CR_LPBK 0x4000         /* Loopback enable */ | 
|  | #define MII_CR_SPD  0x2000         /* 0: 10Mb/s; 1: 100Mb/s */ | 
|  | #define MII_CR_10   0x0000         /* Set 10Mb/s */ | 
|  | #define MII_CR_100  0x2000         /* Set 100Mb/s */ | 
|  | #define MII_CR_ASSE 0x1000         /* Auto Speed Select Enable */ | 
|  | #define MII_CR_PD   0x0800         /* Power Down */ | 
|  | #define MII_CR_ISOL 0x0400         /* Isolate Mode */ | 
|  | #define MII_CR_RAN  0x0200         /* Restart Auto Negotiation */ | 
|  | #define MII_CR_FDM  0x0100         /* Full Duplex Mode */ | 
|  | #define MII_CR_CTE  0x0080         /* Collision Test Enable */ | 
|  |  | 
|  | /* | 
|  | ** MII Management Status Register | 
|  | */ | 
|  | #define MII_SR_T4C  0x8000         /* 100BASE-T4 capable */ | 
|  | #define MII_SR_TXFD 0x4000         /* 100BASE-TX Full Duplex capable */ | 
|  | #define MII_SR_TXHD 0x2000         /* 100BASE-TX Half Duplex capable */ | 
|  | #define MII_SR_TFD  0x1000         /* 10BASE-T Full Duplex capable */ | 
|  | #define MII_SR_THD  0x0800         /* 10BASE-T Half Duplex capable */ | 
|  | #define MII_SR_ASSC 0x0020         /* Auto Speed Selection Complete*/ | 
|  | #define MII_SR_RFD  0x0010         /* Remote Fault Detected */ | 
|  | #define MII_SR_ANC  0x0008         /* Auto Negotiation capable */ | 
|  | #define MII_SR_LKS  0x0004         /* Link Status */ | 
|  | #define MII_SR_JABD 0x0002         /* Jabber Detect */ | 
|  | #define MII_SR_XC   0x0001         /* Extended Capabilities */ | 
|  |  | 
|  | /* | 
|  | ** MII Management Auto Negotiation Advertisement Register | 
|  | */ | 
|  | #define MII_ANA_TAF  0x03e0        /* Technology Ability Field */ | 
|  | #define MII_ANA_T4AM 0x0200        /* T4 Technology Ability Mask */ | 
|  | #define MII_ANA_TXAM 0x0180        /* TX Technology Ability Mask */ | 
|  | #define MII_ANA_FDAM 0x0140        /* Full Duplex Technology Ability Mask */ | 
|  | #define MII_ANA_HDAM 0x02a0        /* Half Duplex Technology Ability Mask */ | 
|  | #define MII_ANA_100M 0x0380        /* 100Mb Technology Ability Mask */ | 
|  | #define MII_ANA_10M  0x0060        /* 10Mb Technology Ability Mask */ | 
|  | #define MII_ANA_CSMA 0x0001        /* CSMA-CD Capable */ | 
|  |  | 
|  | /* | 
|  | ** MII Management Auto Negotiation Remote End Register | 
|  | */ | 
|  | #define MII_ANLPA_NP   0x8000      /* Next Page (Enable) */ | 
|  | #define MII_ANLPA_ACK  0x4000      /* Remote Acknowledge */ | 
|  | #define MII_ANLPA_RF   0x2000      /* Remote Fault */ | 
|  | #define MII_ANLPA_TAF  0x03e0      /* Technology Ability Field */ | 
|  | #define MII_ANLPA_T4AM 0x0200      /* T4 Technology Ability Mask */ | 
|  | #define MII_ANLPA_TXAM 0x0180      /* TX Technology Ability Mask */ | 
|  | #define MII_ANLPA_FDAM 0x0140      /* Full Duplex Technology Ability Mask */ | 
|  | #define MII_ANLPA_HDAM 0x02a0      /* Half Duplex Technology Ability Mask */ | 
|  | #define MII_ANLPA_100M 0x0380      /* 100Mb Technology Ability Mask */ | 
|  | #define MII_ANLPA_10M  0x0060      /* 10Mb Technology Ability Mask */ | 
|  | #define MII_ANLPA_CSMA 0x0001      /* CSMA-CD Capable */ | 
|  |  | 
|  | /* | 
|  | ** SROM Media Definitions (ABG SROM Section) | 
|  | */ | 
|  | #define MEDIA_NWAY     0x0080      /* Nway (Auto Negotiation) on PHY */ | 
|  | #define MEDIA_MII      0x0040      /* MII Present on the adapter */ | 
|  | #define MEDIA_FIBRE    0x0008      /* Fibre Media present */ | 
|  | #define MEDIA_AUI      0x0004      /* AUI Media present */ | 
|  | #define MEDIA_TP       0x0002      /* TP Media present */ | 
|  | #define MEDIA_BNC      0x0001      /* BNC Media present */ | 
|  |  | 
|  | /* | 
|  | ** SROM Definitions (Digital Semiconductor Format) | 
|  | */ | 
|  | #define SROM_SSVID     0x0000      /* Sub-system Vendor ID offset */ | 
|  | #define SROM_SSID      0x0002      /* Sub-system ID offset */ | 
|  | #define SROM_CISPL     0x0004      /* CardBus CIS Pointer low offset */ | 
|  | #define SROM_CISPH     0x0006      /* CardBus CIS Pointer high offset */ | 
|  | #define SROM_IDCRC     0x0010      /* ID Block CRC offset*/ | 
|  | #define SROM_RSVD2     0x0011      /* ID Reserved 2 offset */ | 
|  | #define SROM_SFV       0x0012      /* SROM Format Version offset */ | 
|  | #define SROM_CCNT      0x0013      /* Controller Count offset */ | 
|  | #define SROM_HWADD     0x0014      /* Hardware Address offset */ | 
|  | #define SROM_MRSVD     0x007c      /* Manufacturer Reserved offset*/ | 
|  | #define SROM_CRC       0x007e      /* SROM CRC offset */ | 
|  |  | 
|  | /* | 
|  | ** SROM Media Connection Definitions | 
|  | */ | 
|  | #define SROM_10BT      0x0000      /*  10BASE-T half duplex */ | 
|  | #define SROM_10BTN     0x0100      /*  10BASE-T with Nway */ | 
|  | #define SROM_10BTF     0x0204      /*  10BASE-T full duplex */ | 
|  | #define SROM_10BTNLP   0x0400      /*  10BASE-T without Link Pass test */ | 
|  | #define SROM_10B2      0x0001      /*  10BASE-2 (BNC) */ | 
|  | #define SROM_10B5      0x0002      /*  10BASE-5 (AUI) */ | 
|  | #define SROM_100BTH    0x0003      /*  100BASE-T half duplex */ | 
|  | #define SROM_100BTF    0x0205      /*  100BASE-T full duplex */ | 
|  | #define SROM_100BT4    0x0006      /*  100BASE-T4 */ | 
|  | #define SROM_100BFX    0x0007      /*  100BASE-FX half duplex (Fiber) */ | 
|  | #define SROM_M10BT     0x0009      /*  MII 10BASE-T half duplex */ | 
|  | #define SROM_M10BTF    0x020a      /*  MII 10BASE-T full duplex */ | 
|  | #define SROM_M100BT    0x000d      /*  MII 100BASE-T half duplex */ | 
|  | #define SROM_M100BTF   0x020e      /*  MII 100BASE-T full duplex */ | 
|  | #define SROM_M100BT4   0x000f      /*  MII 100BASE-T4 */ | 
|  | #define SROM_M100BF    0x0010      /*  MII 100BASE-FX half duplex */ | 
|  | #define SROM_M100BFF   0x0211      /*  MII 100BASE-FX full duplex */ | 
|  | #define SROM_PDA       0x0800      /*  Powerup & Dynamic Autosense */ | 
|  | #define SROM_PAO       0x8800      /*  Powerup Autosense Only */ | 
|  | #define SROM_NSMI      0xffff      /*  No Selected Media Information */ | 
|  |  | 
|  | /* | 
|  | ** SROM Media Definitions | 
|  | */ | 
|  | #define SROM_10BASET   0x0000      /*  10BASE-T half duplex */ | 
|  | #define SROM_10BASE2   0x0001      /*  10BASE-2 (BNC) */ | 
|  | #define SROM_10BASE5   0x0002      /*  10BASE-5 (AUI) */ | 
|  | #define SROM_100BASET  0x0003      /*  100BASE-T half duplex */ | 
|  | #define SROM_10BASETF  0x0004      /*  10BASE-T full duplex */ | 
|  | #define SROM_100BASETF 0x0005      /*  100BASE-T full duplex */ | 
|  | #define SROM_100BASET4 0x0006      /*  100BASE-T4 */ | 
|  | #define SROM_100BASEF  0x0007      /*  100BASE-FX half duplex */ | 
|  | #define SROM_100BASEFF 0x0008      /*  100BASE-FX full duplex */ | 
|  |  | 
|  | #define BLOCK_LEN      0x7f        /* Extended blocks length mask */ | 
|  | #define EXT_FIELD      0x40        /* Extended blocks extension field bit */ | 
|  | #define MEDIA_CODE     0x3f        /* Extended blocks media code mask */ | 
|  |  | 
|  | /* | 
|  | ** SROM Compact Format Block Masks | 
|  | */ | 
|  | #define COMPACT_FI      0x80       /* Format Indicator */ | 
|  | #define COMPACT_LEN     0x04       /* Length */ | 
|  | #define COMPACT_MC      0x3f       /* Media Code */ | 
|  |  | 
|  | /* | 
|  | ** SROM Extended Format Block Type 0 Masks | 
|  | */ | 
|  | #define BLOCK0_FI      0x80        /* Format Indicator */ | 
|  | #define BLOCK0_MCS     0x80        /* Media Code byte Sign */ | 
|  | #define BLOCK0_MC      0x3f        /* Media Code */ | 
|  |  | 
|  | /* | 
|  | ** DC21040 Full Duplex Register (DE4X5_FDR) | 
|  | */ | 
|  | #define FDR_FDACV  0x0000ffff      /* Full Duplex Auto Configuration Value */ | 
|  |  | 
|  | /* | 
|  | ** DC21041 General Purpose Timer Register (DE4X5_GPT) | 
|  | */ | 
|  | #define GPT_CON  0x00010000        /* One shot: 0,  Continuous: 1 */ | 
|  | #define GPT_VAL  0x0000ffff        /* Timer Value */ | 
|  |  | 
|  | /* | 
|  | ** DC21140 General Purpose Register (DE4X5_GEP) (hardware dependent bits) | 
|  | */ | 
|  | /* Valid ONLY for DE500 hardware */ | 
|  | #define GEP_LNP  0x00000080        /* Link Pass               (input)        */ | 
|  | #define GEP_SLNK 0x00000040        /* SYM LINK                (input)        */ | 
|  | #define GEP_SDET 0x00000020        /* Signal Detect           (input)        */ | 
|  | #define GEP_HRST 0x00000010        /* Hard RESET (to PHY)     (output)       */ | 
|  | #define GEP_FDXD 0x00000008        /* Full Duplex Disable     (output)       */ | 
|  | #define GEP_PHYL 0x00000004        /* PHY Loopback            (output)       */ | 
|  | #define GEP_FLED 0x00000002        /* Force Activity LED on   (output)       */ | 
|  | #define GEP_MODE 0x00000001        /* 0: 10Mb/s,  1: 100Mb/s                 */ | 
|  | #define GEP_INIT 0x0000011f        /* Setup inputs (0) and outputs (1)       */ | 
|  | #define GEP_CTRL 0x00000100        /* GEP control bit                        */ | 
|  |  | 
|  | /* | 
|  | ** SIA Register Defaults | 
|  | */ | 
|  | #define CSR13 0x00000001 | 
|  | #define CSR14 0x0003ff7f           /* Autonegotiation disabled               */ | 
|  | #define CSR15 0x00000008 | 
|  |  | 
|  | /* | 
|  | ** SIA Status Register (DE4X5_SISR) | 
|  | */ | 
|  | #define SISR_LPC   0xffff0000      /* Link Partner's Code Word               */ | 
|  | #define SISR_LPN   0x00008000      /* Link Partner Negotiable                */ | 
|  | #define SISR_ANS   0x00007000      /* Auto Negotiation Arbitration State     */ | 
|  | #define SISR_NSN   0x00000800      /* Non Stable NLPs Detected (DC21041)     */ | 
|  | #define SISR_TRF   0x00000800      /* Transmit Remote Fault                  */ | 
|  | #define SISR_NSND  0x00000400      /* Non Stable NLPs Detected (DC21142)     */ | 
|  | #define SISR_ANR_FDS 0x00000400    /* Auto Negotiate Restart/Full Duplex Sel.*/ | 
|  | #define SISR_TRA   0x00000200      /* 10BASE-T Receive Port Activity         */ | 
|  | #define SISR_NRA   0x00000200      /* Non Selected Port Receive Activity     */ | 
|  | #define SISR_ARA   0x00000100      /* AUI Receive Port Activity              */ | 
|  | #define SISR_SRA   0x00000100      /* Selected Port Receive Activity         */ | 
|  | #define SISR_DAO   0x00000080      /* PLL All One                            */ | 
|  | #define SISR_DAZ   0x00000040      /* PLL All Zero                           */ | 
|  | #define SISR_DSP   0x00000020      /* PLL Self-Test Pass                     */ | 
|  | #define SISR_DSD   0x00000010      /* PLL Self-Test Done                     */ | 
|  | #define SISR_APS   0x00000008      /* Auto Polarity State                    */ | 
|  | #define SISR_LKF   0x00000004      /* Link Fail Status                       */ | 
|  | #define SISR_LS10  0x00000004      /* 10Mb/s Link Fail Status                */ | 
|  | #define SISR_NCR   0x00000002      /* Network Connection Error               */ | 
|  | #define SISR_LS100 0x00000002      /* 100Mb/s Link Fail Status               */ | 
|  | #define SISR_PAUI  0x00000001      /* AUI_TP Indication                      */ | 
|  | #define SISR_MRA   0x00000001      /* MII Receive Port Activity              */ | 
|  |  | 
|  | #define ANS_NDIS   0x00000000      /* Nway disable                           */ | 
|  | #define ANS_TDIS   0x00001000      /* Transmit Disable                       */ | 
|  | #define ANS_ADET   0x00002000      /* Ability Detect                         */ | 
|  | #define ANS_ACK    0x00003000      /* Acknowledge                            */ | 
|  | #define ANS_CACK   0x00004000      /* Complete Acknowledge                   */ | 
|  | #define ANS_NWOK   0x00005000      /* Nway OK - FLP Link Good                */ | 
|  | #define ANS_LCHK   0x00006000      /* Link Check                             */ | 
|  |  | 
|  | #define SISR_RST   0x00000301      /* CSR12 reset                            */ | 
|  | #define SISR_ANR   0x00001301      /* Autonegotiation restart                */ | 
|  |  | 
|  | /* | 
|  | ** SIA Connectivity Register (DE4X5_SICR) | 
|  | */ | 
|  | #define SICR_SDM   0xffff0000       /* SIA Diagnostics Mode */ | 
|  | #define SICR_OE57  0x00008000       /* Output Enable 5 6 7 */ | 
|  | #define SICR_OE24  0x00004000       /* Output Enable 2 4 */ | 
|  | #define SICR_OE13  0x00002000       /* Output Enable 1 3 */ | 
|  | #define SICR_IE    0x00001000       /* Input Enable */ | 
|  | #define SICR_EXT   0x00000000       /* SIA MUX Select External SIA Mode */ | 
|  | #define SICR_D_SIA 0x00000400       /* SIA MUX Select Diagnostics - SIA Sigs */ | 
|  | #define SICR_DPLL  0x00000800       /* SIA MUX Select Diagnostics - DPLL Sigs*/ | 
|  | #define SICR_APLL  0x00000a00       /* SIA MUX Select Diagnostics - DPLL Sigs*/ | 
|  | #define SICR_D_RxM 0x00000c00       /* SIA MUX Select Diagnostics - RxM Sigs */ | 
|  | #define SICR_M_RxM 0x00000d00       /* SIA MUX Select Diagnostics - RxM Sigs */ | 
|  | #define SICR_LNKT  0x00000e00       /* SIA MUX Select Diagnostics - Link Test*/ | 
|  | #define SICR_SEL   0x00000f00       /* SIA MUX Select AUI or TP with LEDs */ | 
|  | #define SICR_ASE   0x00000080       /* APLL Start Enable*/ | 
|  | #define SICR_SIM   0x00000040       /* Serial Interface Input Multiplexer */ | 
|  | #define SICR_ENI   0x00000020       /* Encoder Input Multiplexer */ | 
|  | #define SICR_EDP   0x00000010       /* SIA PLL External Input Enable */ | 
|  | #define SICR_AUI   0x00000008       /* 10Base-T (0) or AUI (1) */ | 
|  | #define SICR_CAC   0x00000004       /* CSR Auto Configuration */ | 
|  | #define SICR_PS    0x00000002       /* Pin AUI/TP Selection */ | 
|  | #define SICR_SRL   0x00000001       /* SIA Reset */ | 
|  | #define SIA_RESET  0x00000000       /* SIA Reset Value */ | 
|  |  | 
|  | /* | 
|  | ** SIA Transmit and Receive Register (DE4X5_STRR) | 
|  | */ | 
|  | #define STRR_TAS   0x00008000       /* 10Base-T/AUI Autosensing Enable */ | 
|  | #define STRR_SPP   0x00004000       /* Set Polarity Plus */ | 
|  | #define STRR_APE   0x00002000       /* Auto Polarity Enable */ | 
|  | #define STRR_LTE   0x00001000       /* Link Test Enable */ | 
|  | #define STRR_SQE   0x00000800       /* Signal Quality Enable */ | 
|  | #define STRR_CLD   0x00000400       /* Collision Detect Enable */ | 
|  | #define STRR_CSQ   0x00000200       /* Collision Squelch Enable */ | 
|  | #define STRR_RSQ   0x00000100       /* Receive Squelch Enable */ | 
|  | #define STRR_ANE   0x00000080       /* Auto Negotiate Enable */ | 
|  | #define STRR_HDE   0x00000040       /* Half Duplex Enable */ | 
|  | #define STRR_CPEN  0x00000030       /* Compensation Enable */ | 
|  | #define STRR_LSE   0x00000008       /* Link Pulse Send Enable */ | 
|  | #define STRR_DREN  0x00000004       /* Driver Enable */ | 
|  | #define STRR_LBK   0x00000002       /* Loopback Enable */ | 
|  | #define STRR_ECEN  0x00000001       /* Encoder Enable */ | 
|  | #define STRR_RESET 0xffffffff       /* Reset value for STRR */ | 
|  |  | 
|  | /* | 
|  | ** SIA General Register (DE4X5_SIGR) | 
|  | */ | 
|  | #define SIGR_RMI   0x40000000       /* Receive Match Interrupt */ | 
|  | #define SIGR_GI1   0x20000000       /* General Port Interrupt 1 */ | 
|  | #define SIGR_GI0   0x10000000       /* General Port Interrupt 0 */ | 
|  | #define SIGR_CWE   0x08000000       /* Control Write Enable */ | 
|  | #define SIGR_RME   0x04000000       /* Receive Match Enable */ | 
|  | #define SIGR_GEI1  0x02000000       /* GEP Interrupt Enable on Port 1 */ | 
|  | #define SIGR_GEI0  0x01000000       /* GEP Interrupt Enable on Port 0 */ | 
|  | #define SIGR_LGS3  0x00800000       /* LED/GEP3 Select */ | 
|  | #define SIGR_LGS2  0x00400000       /* LED/GEP2 Select */ | 
|  | #define SIGR_LGS1  0x00200000       /* LED/GEP1 Select */ | 
|  | #define SIGR_LGS0  0x00100000       /* LED/GEP0 Select */ | 
|  | #define SIGR_MD    0x000f0000       /* General Purpose Mode and Data */ | 
|  | #define SIGR_LV2   0x00008000       /* General Purpose LED2 value */ | 
|  | #define SIGR_LE2   0x00004000       /* General Purpose LED2 enable */ | 
|  | #define SIGR_FRL   0x00002000       /* Force Receiver Low */ | 
|  | #define SIGR_DPST  0x00001000       /* PLL Self Test Start */ | 
|  | #define SIGR_LSD   0x00000800       /* LED Stretch Disable */ | 
|  | #define SIGR_FLF   0x00000400       /* Force Link Fail */ | 
|  | #define SIGR_FUSQ  0x00000200       /* Force Unsquelch */ | 
|  | #define SIGR_TSCK  0x00000100       /* Test Clock */ | 
|  | #define SIGR_LV1   0x00000080       /* General Purpose LED1 value */ | 
|  | #define SIGR_LE1   0x00000040       /* General Purpose LED1 enable */ | 
|  | #define SIGR_RWR   0x00000020       /* Receive Watchdog Release */ | 
|  | #define SIGR_RWD   0x00000010       /* Receive Watchdog Disable */ | 
|  | #define SIGR_ABM   0x00000008       /* BNC: 0,  AUI:1 */ | 
|  | #define SIGR_JCK   0x00000004       /* Jabber Clock */ | 
|  | #define SIGR_HUJ   0x00000002       /* Host Unjab */ | 
|  | #define SIGR_JBD   0x00000001       /* Jabber Disable */ | 
|  | #define SIGR_RESET 0xffff0000       /* Reset value for SIGR */ | 
|  |  | 
|  | /* | 
|  | ** Receive Descriptor Bit Summary | 
|  | */ | 
|  | #define R_OWN      0x80000000       /* Own Bit */ | 
|  | #define RD_FF      0x40000000       /* Filtering Fail */ | 
|  | #define RD_FL      0x3fff0000       /* Frame Length */ | 
|  | #define RD_ES      0x00008000       /* Error Summary */ | 
|  | #define RD_LE      0x00004000       /* Length Error */ | 
|  | #define RD_DT      0x00003000       /* Data Type */ | 
|  | #define RD_RF      0x00000800       /* Runt Frame */ | 
|  | #define RD_MF      0x00000400       /* Multicast Frame */ | 
|  | #define RD_FS      0x00000200       /* First Descriptor */ | 
|  | #define RD_LS      0x00000100       /* Last Descriptor */ | 
|  | #define RD_TL      0x00000080       /* Frame Too Long */ | 
|  | #define RD_CS      0x00000040       /* Collision Seen */ | 
|  | #define RD_FT      0x00000020       /* Frame Type */ | 
|  | #define RD_RJ      0x00000010       /* Receive Watchdog */ | 
|  | #define RD_RE      0x00000008       /* Report on MII Error */ | 
|  | #define RD_DB      0x00000004       /* Dribbling Bit */ | 
|  | #define RD_CE      0x00000002       /* CRC Error */ | 
|  | #define RD_OF      0x00000001       /* Overflow */ | 
|  |  | 
|  | #define RD_RER     0x02000000       /* Receive End Of Ring */ | 
|  | #define RD_RCH     0x01000000       /* Second Address Chained */ | 
|  | #define RD_RBS2    0x003ff800       /* Buffer 2 Size */ | 
|  | #define RD_RBS1    0x000007ff       /* Buffer 1 Size */ | 
|  |  | 
|  | /* | 
|  | ** Transmit Descriptor Bit Summary | 
|  | */ | 
|  | #define T_OWN      0x80000000       /* Own Bit */ | 
|  | #define TD_ES      0x00008000       /* Error Summary */ | 
|  | #define TD_TO      0x00004000       /* Transmit Jabber Time-Out */ | 
|  | #define TD_LO      0x00000800       /* Loss Of Carrier */ | 
|  | #define TD_NC      0x00000400       /* No Carrier */ | 
|  | #define TD_LC      0x00000200       /* Late Collision */ | 
|  | #define TD_EC      0x00000100       /* Excessive Collisions */ | 
|  | #define TD_HF      0x00000080       /* Heartbeat Fail */ | 
|  | #define TD_CC      0x00000078       /* Collision Counter */ | 
|  | #define TD_LF      0x00000004       /* Link Fail */ | 
|  | #define TD_UF      0x00000002       /* Underflow Error */ | 
|  | #define TD_DE      0x00000001       /* Deferred */ | 
|  |  | 
|  | #define TD_IC      0x80000000       /* Interrupt On Completion */ | 
|  | #define TD_LS      0x40000000       /* Last Segment */ | 
|  | #define TD_FS      0x20000000       /* First Segment */ | 
|  | #define TD_FT1     0x10000000       /* Filtering Type */ | 
|  | #define TD_SET     0x08000000       /* Setup Packet */ | 
|  | #define TD_AC      0x04000000       /* Add CRC Disable */ | 
|  | #define TD_TER     0x02000000       /* Transmit End Of Ring */ | 
|  | #define TD_TCH     0x01000000       /* Second Address Chained */ | 
|  | #define TD_DPD     0x00800000       /* Disabled Padding */ | 
|  | #define TD_FT0     0x00400000       /* Filtering Type */ | 
|  | #define TD_TBS2    0x003ff800       /* Buffer 2 Size */ | 
|  | #define TD_TBS1    0x000007ff       /* Buffer 1 Size */ | 
|  |  | 
|  | #define PERFECT_F  0x00000000 | 
|  | #define HASH_F     TD_FT0 | 
|  | #define INVERSE_F  TD_FT1 | 
|  | #define HASH_O_F   (TD_FT1 | TD_F0) | 
|  |  | 
|  | /* | 
|  | ** Media / mode state machine definitions | 
|  | ** User selectable: | 
|  | */ | 
|  | #define TP              0x0040     /* 10Base-T (now equiv to _10Mb)        */ | 
|  | #define TP_NW           0x0002     /* 10Base-T with Nway                   */ | 
|  | #define BNC             0x0004     /* Thinwire                             */ | 
|  | #define AUI             0x0008     /* Thickwire                            */ | 
|  | #define BNC_AUI         0x0010     /* BNC/AUI on DC21040 indistinguishable */ | 
|  | #define _10Mb           0x0040     /* 10Mb/s Ethernet                      */ | 
|  | #define _100Mb          0x0080     /* 100Mb/s Ethernet                     */ | 
|  | #define AUTO            0x4000     /* Auto sense the media or speed        */ | 
|  |  | 
|  | /* | 
|  | ** Internal states | 
|  | */ | 
|  | #define NC              0x0000     /* No Connection                        */ | 
|  | #define ANS             0x0020     /* Intermediate AutoNegotiation State   */ | 
|  | #define SPD_DET         0x0100     /* Parallel speed detection             */ | 
|  | #define INIT            0x0200     /* Initial state                        */ | 
|  | #define EXT_SIA         0x0400     /* External SIA for motherboard chip    */ | 
|  | #define ANS_SUSPECT     0x0802     /* Suspect the ANS (TP) port is down    */ | 
|  | #define TP_SUSPECT      0x0803     /* Suspect the TP port is down          */ | 
|  | #define BNC_AUI_SUSPECT 0x0804     /* Suspect the BNC or AUI port is down  */ | 
|  | #define EXT_SIA_SUSPECT 0x0805     /* Suspect the EXT SIA port is down     */ | 
|  | #define BNC_SUSPECT     0x0806     /* Suspect the BNC port is down         */ | 
|  | #define AUI_SUSPECT     0x0807     /* Suspect the AUI port is down         */ | 
|  | #define MII             0x1000     /* MII on the 21143                     */ | 
|  |  | 
|  | #define TIMER_CB        0x80000000 /* Timer callback detection             */ | 
|  |  | 
|  | /* | 
|  | ** DE4X5 DEBUG Options | 
|  | */ | 
|  | #define DEBUG_NONE      0x0000     /* No DEBUG messages */ | 
|  | #define DEBUG_VERSION   0x0001     /* Print version message */ | 
|  | #define DEBUG_MEDIA     0x0002     /* Print media messages */ | 
|  | #define DEBUG_TX        0x0004     /* Print TX (queue_pkt) messages */ | 
|  | #define DEBUG_RX        0x0008     /* Print RX (de4x5_rx) messages */ | 
|  | #define DEBUG_SROM      0x0010     /* Print SROM messages */ | 
|  | #define DEBUG_MII       0x0020     /* Print MII messages */ | 
|  | #define DEBUG_OPEN      0x0040     /* Print de4x5_open() messages */ | 
|  | #define DEBUG_CLOSE     0x0080     /* Print de4x5_close() messages */ | 
|  | #define DEBUG_PCICFG    0x0100 | 
|  | #define DEBUG_ALL       0x01ff | 
|  |  | 
|  | /* | 
|  | ** Miscellaneous | 
|  | */ | 
|  | #define PCI  0 | 
|  | #define EISA 1 | 
|  |  | 
|  | #define HASH_TABLE_LEN   512       /* Bits */ | 
|  | #define HASH_BITS        0x01ff    /* 9 LS bits */ | 
|  |  | 
|  | #define SETUP_FRAME_LEN  192       /* Bytes */ | 
|  | #define IMPERF_PA_OFFSET 156       /* Bytes */ | 
|  |  | 
|  | #define POLL_DEMAND          1 | 
|  |  | 
|  | #define LOST_MEDIA_THRESHOLD 3 | 
|  |  | 
|  | #define MASK_INTERRUPTS      1 | 
|  | #define UNMASK_INTERRUPTS    0 | 
|  |  | 
|  | #define DE4X5_STRLEN         8 | 
|  |  | 
|  | #define DE4X5_INIT           0     /* Initialisation time */ | 
|  | #define DE4X5_RUN            1     /* Run time */ | 
|  |  | 
|  | #define DE4X5_SAVE_STATE     0 | 
|  | #define DE4X5_RESTORE_STATE  1 | 
|  |  | 
|  | /* | 
|  | ** Address Filtering Modes | 
|  | */ | 
|  | #define PERFECT              0     /* 16 perfect physical addresses */ | 
|  | #define HASH_PERF            1     /* 1 perfect, 512 multicast addresses */ | 
|  | #define PERFECT_REJ          2     /* Reject 16 perfect physical addresses */ | 
|  | #define ALL_HASH             3     /* Hashes all physical & multicast addrs */ | 
|  |  | 
|  | #define ALL                  0     /* Clear out all the setup frame */ | 
|  | #define PHYS_ADDR_ONLY       1     /* Update the physical address only */ | 
|  |  | 
|  | /* | 
|  | ** Adapter state | 
|  | */ | 
|  | #define INITIALISED          0     /* After h/w initialised and mem alloc'd */ | 
|  | #define CLOSED               1     /* Ready for opening */ | 
|  | #define OPEN                 2     /* Running */ | 
|  |  | 
|  | /* | 
|  | ** Various wait times | 
|  | */ | 
|  | #define PDET_LINK_WAIT    1200    /* msecs to wait for link detect bits     */ | 
|  | #define ANS_FINISH_WAIT   1000    /* msecs to wait for link detect bits     */ | 
|  |  | 
|  | /* | 
|  | ** IEEE OUIs for various PHY vendor/chip combos - Reg 2 values only. Since | 
|  | ** the vendors seem split 50-50 on how to calculate the OUI register values | 
|  | ** anyway, just reading Reg2 seems reasonable for now [see de4x5_get_oui()]. | 
|  | */ | 
|  | #define NATIONAL_TX 0x2000 | 
|  | #define BROADCOM_T4 0x03e0 | 
|  | #define SEEQ_T4     0x0016 | 
|  | #define CYPRESS_T4  0x0014 | 
|  |  | 
|  | /* | 
|  | ** Speed Selection stuff | 
|  | */ | 
|  | #define SET_10Mb {\ | 
|  | if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\ | 
|  | omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\ | 
|  | if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\ | 
|  | mii_wr(MII_CR_10|(lp->fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\ | 
|  | }\ | 
|  | omr |= ((lp->fdx ? OMR_FDX : 0) | OMR_TTM);\ | 
|  | outl(omr, DE4X5_OMR);\ | 
|  | if (!lp->useSROM) lp->cache.gep = 0;\ | 
|  | } else if (lp->useSROM && !lp->useMII) {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | omr |= (lp->fdx ? OMR_FDX : 0);\ | 
|  | outl(omr | (lp->infoblock_csr6 & ~(OMR_SCR | OMR_HBD)), DE4X5_OMR);\ | 
|  | } else {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | omr |= (lp->fdx ? OMR_FDX : 0);\ | 
|  | outl(omr | OMR_SDP | OMR_TTM, DE4X5_OMR);\ | 
|  | lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD);\ | 
|  | gep_wr(lp->cache.gep, dev);\ | 
|  | }\ | 
|  | } | 
|  |  | 
|  | #define SET_100Mb {\ | 
|  | if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\ | 
|  | int fdx=0;\ | 
|  | if (lp->phy[lp->active].id == NATIONAL_TX) {\ | 
|  | mii_wr(mii_rd(0x18, lp->phy[lp->active].addr, DE4X5_MII) & ~0x2000,\ | 
|  | 0x18, lp->phy[lp->active].addr, DE4X5_MII);\ | 
|  | }\ | 
|  | omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\ | 
|  | sr = mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII);\ | 
|  | if (!(sr & MII_ANA_T4AM) && lp->fdx) fdx=1;\ | 
|  | if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\ | 
|  | mii_wr(MII_CR_100|(fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\ | 
|  | }\ | 
|  | if (fdx) omr |= OMR_FDX;\ | 
|  | outl(omr, DE4X5_OMR);\ | 
|  | if (!lp->useSROM) lp->cache.gep = 0;\ | 
|  | } else if (lp->useSROM && !lp->useMII) {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | omr |= (lp->fdx ? OMR_FDX : 0);\ | 
|  | outl(omr | lp->infoblock_csr6, DE4X5_OMR);\ | 
|  | } else {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | omr |= (lp->fdx ? OMR_FDX : 0);\ | 
|  | outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS | OMR_SCR, DE4X5_OMR);\ | 
|  | lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD) | GEP_MODE;\ | 
|  | gep_wr(lp->cache.gep, dev);\ | 
|  | }\ | 
|  | } | 
|  |  | 
|  | /* FIX ME so I don't jam 10Mb networks */ | 
|  | #define SET_100Mb_PDET {\ | 
|  | if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\ | 
|  | mii_wr(MII_CR_100|MII_CR_ASSE, MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | outl(omr, DE4X5_OMR);\ | 
|  | } else if (lp->useSROM && !lp->useMII) {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | outl(omr, DE4X5_OMR);\ | 
|  | } else {\ | 
|  | omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\ | 
|  | outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS, DE4X5_OMR);\ | 
|  | lp->cache.gep = (GEP_FDXD | GEP_MODE);\ | 
|  | gep_wr(lp->cache.gep, dev);\ | 
|  | }\ | 
|  | } | 
|  |  | 
|  | /* | 
|  | ** Include the IOCTL stuff | 
|  | */ | 
|  | #include <linux/sockios.h> | 
|  |  | 
|  | #define	DE4X5IOCTL	SIOCDEVPRIVATE | 
|  |  | 
|  | struct de4x5_ioctl { | 
|  | unsigned short cmd;                /* Command to run */ | 
|  | unsigned short len;                /* Length of the data buffer */ | 
|  | unsigned char  __user *data;       /* Pointer to the data buffer */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | ** Recognised commands for the driver | 
|  | */ | 
|  | #define DE4X5_GET_HWADDR	0x01 /* Get the hardware address */ | 
|  | #define DE4X5_SET_HWADDR	0x02 /* Set the hardware address */ | 
|  | /* 0x03 and 0x04 were used before and are obsoleted now. Don't use them. */ | 
|  | #define DE4X5_SAY_BOO	        0x05 /* Say "Boo!" to the kernel log file */ | 
|  | #define DE4X5_GET_MCA   	0x06 /* Get a multicast address */ | 
|  | #define DE4X5_SET_MCA   	0x07 /* Set a multicast address */ | 
|  | #define DE4X5_CLR_MCA    	0x08 /* Clear a multicast address */ | 
|  | #define DE4X5_MCA_EN    	0x09 /* Enable a multicast address group */ | 
|  | #define DE4X5_GET_STATS  	0x0a /* Get the driver statistics */ | 
|  | #define DE4X5_CLR_STATS 	0x0b /* Zero out the driver statistics */ | 
|  | #define DE4X5_GET_OMR           0x0c /* Get the OMR Register contents */ | 
|  | #define DE4X5_SET_OMR           0x0d /* Set the OMR Register contents */ | 
|  | #define DE4X5_GET_REG           0x0e /* Get the DE4X5 Registers */ | 
|  |  | 
|  | #define MOTO_SROM_BUG    (lp->active == 8 && (get_unaligned_le32(dev->dev_addr) & 0x00ffffff) == 0x3e0008) |