- /*
- * mace.h - definitions for the registers in the "Big Mac"
- * Ethernet controller found in PowerMac G3 models.
- *
- * Copyright (C) 1998 Randy Gobbel.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- /* The "Big MAC" appears to have some parts in common with the Sun "Happy Meal"
- * (HME) controller. See sunhme.h
- */
- /* register offsets */
- /* global status and control */
- #define XIFC 0x000 /* low-level interface control */
- # define TxOutputEnable 0x0001 /* output driver enable */
- # define XIFLoopback 0x0002 /* Loopback-mode XIF enable */
- # define MIILoopback 0x0004 /* Loopback-mode MII enable */
- # define MIILoopbackBits 0x0006
- # define MIIBuffDisable 0x0008 /* MII receive buffer disable */
- # define SQETestEnable 0x0010 /* SQE test enable */
- # define SQETimeWindow 0x03e0 /* SQE time window */
- # define XIFLanceMode 0x0010 /* Lance mode enable */
- # define XIFLanceIPG0 0x03e0 /* Lance mode IPG0 */
- #define TXFIFOCSR 0x100 /* transmit FIFO control */
- # define TxFIFOEnable 0x0001
- #define TXTH 0x110 /* transmit threshold */
- # define TxThreshold 0x0004
- #define RXFIFOCSR 0x120 /* receive FIFO control */
- # define RxFIFOEnable 0x0001
- #define MEMADD 0x130 /* memory address, unknown function */
- #define MEMDATAHI 0x140 /* memory data high, presently unused in driver */
- #define MEMDATALO 0x150 /* memory data low, presently unused in driver */
- #define XCVRIF 0x160 /* transceiver interface control */
- # define COLActiveLow 0x0002
- # define SerialMode 0x0004
- # define ClkBit 0x0008
- # define LinkStatus 0x0100
- #define CHIPID 0x170 /* chip ID */
- #define MIFCSR 0x180 /* ??? */
- #define SROMCSR 0x190 /* SROM control */
- # define ChipSelect 0x0001
- # define Clk 0x0002
- #define TXPNTR 0x1a0 /* transmit pointer */
- #define RXPNTR 0x1b0 /* receive pointer */
- #define STATUS 0x200 /* status--reading this clears it */
- #define INTDISABLE 0x210 /* interrupt enable/disable control */
- /* bits below are the same in both STATUS and INTDISABLE registers */
- # define FrameReceived 0x00000001 /* Received a frame */
- # define RxFrameCntExp 0x00000002 /* Receive frame counter expired */
- # define RxAlignCntExp 0x00000004 /* Align-error counter expired */
- # define RxCRCCntExp 0x00000008 /* CRC-error counter expired */
- # define RxLenCntExp 0x00000010 /* Length-error counter expired */
- # define RxOverFlow 0x00000020 /* Receive FIFO overflow */
- # define RxCodeViolation 0x00000040 /* Code-violation counter expired */
- # define SQETestError 0x00000080 /* Test error in XIF for SQE */
- # define FrameSent 0x00000100 /* Transmitted a frame */
- # define TxUnderrun 0x00000200 /* Transmit FIFO underrun */
- # define TxMaxSizeError 0x00000400 /* Max-packet size error */
- # define TxNormalCollExp 0x00000800 /* Normal-collision counter expired */
- # define TxExcessCollExp 0x00001000 /* Excess-collision counter expired */
- # define TxLateCollExp 0x00002000 /* Late-collision counter expired */
- # define TxNetworkCollExp 0x00004000 /* First-collision counter expired */
- # define TxDeferTimerExp 0x00008000 /* Defer-timer expired */
- # define RxFIFOToHost 0x00010000 /* Data moved from FIFO to host */
- # define RxNoDescriptors 0x00020000 /* No more receive descriptors */
- # define RxDMAError 0x00040000 /* Error during receive DMA */
- # define RxDMALateErr 0x00080000 /* Receive DMA, data late */
- # define RxParityErr 0x00100000 /* Parity error during receive DMA */
- # define RxTagError 0x00200000 /* Tag error during receive DMA */
- # define TxEOPError 0x00400000 /* Tx descriptor did not have EOP set */
- # define MIFIntrEvent 0x00800000 /* MIF is signaling an interrupt */
- # define TxHostToFIFO 0x01000000 /* Data moved from host to FIFO */
- # define TxFIFOAllSent 0x02000000 /* Transmitted all packets in FIFO */
- # define TxDMAError 0x04000000 /* Error during transmit DMA */
- # define TxDMALateError 0x08000000 /* Late error during transmit DMA */
- # define TxParityError 0x10000000 /* Parity error during transmit DMA */
- # define TxTagError 0x20000000 /* Tag error during transmit DMA */
- # define PIOError 0x40000000 /* PIO access got an error */
- # define PIOParityError 0x80000000 /* PIO access got a parity error */
- # define DisableAll 0xffffffff
- # define EnableAll 0x00000000
- /* # define NormalIntEvents ~(FrameReceived | FrameSent | TxUnderrun) */
- # define EnableNormal ~(FrameReceived | FrameSent)
- # define EnableErrors (FrameReceived | FrameSent)
- # define RxErrorMask (RxFrameCntExp | RxAlignCntExp | RxCRCCntExp |
- RxLenCntExp | RxOverFlow | RxCodeViolation)
- # define TxErrorMask (TxUnderrun | TxMaxSizeError | TxExcessCollExp |
- TxLateCollExp | TxNetworkCollExp | TxDeferTimerExp)
- /* transmit control */
- #define TXRST 0x420 /* transmit reset */
- # define TxResetBit 0x0001
- #define TXCFG 0x430 /* transmit configuration control*/
- # define TxMACEnable 0x0001 /* output driver enable */
- # define TxSlowMode 0x0020 /* enable slow mode */
- # define TxIgnoreColl 0x0040 /* ignore transmit collisions */
- # define TxNoFCS 0x0080 /* do not emit FCS */
- # define TxNoBackoff 0x0100 /* no backoff in case of collisions */
- # define TxFullDuplex 0x0200 /* enable full-duplex */
- # define TxNeverGiveUp 0x0400 /* don't give up on transmits */
- #define IPG1 0x440 /* Inter-packet gap 1 */
- #define IPG2 0x450 /* Inter-packet gap 2 */
- #define ALIMIT 0x460 /* Transmit attempt limit */
- #define SLOT 0x470 /* Transmit slot time */
- #define PALEN 0x480 /* Size of transmit preamble */
- #define PAPAT 0x490 /* Pattern for transmit preamble */
- #define TXSFD 0x4a0 /* Transmit frame delimiter */
- #define JAM 0x4b0 /* Jam size */
- #define TXMAX 0x4c0 /* Transmit max pkt size */
- #define TXMIN 0x4d0 /* Transmit min pkt size */
- #define PAREG 0x4e0 /* Count of transmit peak attempts */
- #define DCNT 0x4f0 /* Transmit defer timer */
- #define NCCNT 0x500 /* Transmit normal-collision counter */
- #define NTCNT 0x510 /* Transmit first-collision counter */
- #define EXCNT 0x520 /* Transmit excess-collision counter */
- #define LTCNT 0x530 /* Transmit late-collision counter */
- #define RSEED 0x540 /* Transmit random number seed */
- #define TXSM 0x550 /* Transmit state machine */
- /* receive control */
- #define RXRST 0x620 /* receive reset */
- # define RxResetValue 0x0000
- #define RXCFG 0x630 /* receive configuration control */
- # define RxMACEnable 0x0001 /* receiver overall enable */
- # define RxCFGReserved 0x0004
- # define RxPadStripEnab 0x0020 /* enable pad byte stripping */
- # define RxPromiscEnable 0x0040 /* turn on promiscuous mode */
- # define RxNoErrCheck 0x0080 /* disable receive error checking */
- # define RxCRCNoStrip 0x0100 /* disable auto-CRC-stripping */
- # define RxRejectOwnPackets 0x0200 /* don't receive our own packets */
- # define RxGrpPromisck 0x0400 /* enable group promiscuous mode */
- # define RxHashFilterEnable 0x0800 /* enable hash filter */
- # define RxAddrFilterEnable 0x1000 /* enable address filter */
- #define RXMAX 0x640 /* Max receive packet size */
- #define RXMIN 0x650 /* Min receive packet size */
- #define MADD2 0x660 /* our enet address, high part */
- #define MADD1 0x670 /* our enet address, middle part */
- #define MADD0 0x680 /* our enet address, low part */
- #define FRCNT 0x690 /* receive frame counter */
- #define LECNT 0x6a0 /* Receive excess length error counter */
- #define AECNT 0x6b0 /* Receive misaligned error counter */
- #define FECNT 0x6c0 /* Receive CRC error counter */
- #define RXSM 0x6d0 /* Receive state machine */
- #define RXCV 0x6e0 /* Receive code violation */
- #define BHASH3 0x700 /* multicast hash register */
- #define BHASH2 0x710 /* multicast hash register */
- #define BHASH1 0x720 /* multicast hash register */
- #define BHASH0 0x730 /* multicast hash register */
- #define AFR2 0x740 /* address filtering setup? */
- #define AFR1 0x750 /* address filtering setup? */
- #define AFR0 0x760 /* address filtering setup? */
- #define AFCR 0x770 /* address filter compare register? */
- # define EnableAllCompares 0x0fff
- /* bits in XIFC */