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/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* from: NetBSD: hmereg.h,v 1.16 2003/11/02 11:07:45 wiz Exp
*
* $FreeBSD: release/9.1.0/sys/dev/hme/if_hmereg.h 220940 2011-04-22 09:39:05Z marius $
*/
/*
* HME Shared Ethernet Block register offsets
*/
#define HME_SEBI_RESET (0*4)
#define HME_SEBI_CFG (1*4)
#define HME_SEBI_STAT (64*4)
#define HME_SEBI_IMASK (65*4)
/* HME SEB bits. */
#define HME_SEB_RESET_ETX 0x00000001 /* reset external transmitter */
#define HME_SEB_RESET_ERX 0x00000002 /* reset external receiver */
#define HME_SEB_CFG_BURSTMASK 0x00000003 /* covers all burst bits */
#define HME_SEB_CFG_BURST16 0x00000000 /* 16 byte bursts */
#define HME_SEB_CFG_BURST32 0x00000001 /* 32 byte bursts */
#define HME_SEB_CFG_BURST64 0x00000002 /* 64 byte bursts */
#define HME_SEB_CFG_64BIT 0x00000004 /* extended transfer mode */
#define HME_SEB_CFG_PARITY 0x00000008 /* parity check for DVMA/PIO */
#define HME_SEB_STAT_GOTFRAME 0x00000001 /* frame received */
#define HME_SEB_STAT_RCNTEXP 0x00000002 /* rx frame count expired */
#define HME_SEB_STAT_ACNTEXP 0x00000004 /* align error count expired */
#define HME_SEB_STAT_CCNTEXP 0x00000008 /* crc error count expired */
#define HME_SEB_STAT_LCNTEXP 0x00000010 /* length error count expired */
#define HME_SEB_STAT_RFIFOVF 0x00000020 /* rx fifo overflow */
#define HME_SEB_STAT_CVCNTEXP 0x00000040 /* code violation counter exp */
#define HME_SEB_STAT_STSTERR 0x00000080 /* xif sqe test failed */
#define HME_SEB_STAT_SENTFRAME 0x00000100 /* frame sent */
#define HME_SEB_STAT_TFIFO_UND 0x00000200 /* tx fifo underrun */
#define HME_SEB_STAT_MAXPKTERR 0x00000400 /* max-packet size error */
#define HME_SEB_STAT_NCNTEXP 0x00000800 /* normal collision count exp */
#define HME_SEB_STAT_ECNTEXP 0x00001000 /* excess collision count exp */
#define HME_SEB_STAT_LCCNTEXP 0x00002000 /* late collision count exp */
#define HME_SEB_STAT_FCNTEXP 0x00004000 /* first collision count exp */
#define HME_SEB_STAT_DTIMEXP 0x00008000 /* defer timer expired */
#define HME_SEB_STAT_RXTOHOST 0x00010000 /* pkt moved from rx fifo->memory */
#define HME_SEB_STAT_NORXD 0x00020000 /* out of receive descriptors */
#define HME_SEB_STAT_RXERR 0x00040000 /* rx DMA error */
#define HME_SEB_STAT_RXLATERR 0x00080000 /* late error during rx DMA */
#define HME_SEB_STAT_RXPERR 0x00100000 /* parity error during rx DMA */
#define HME_SEB_STAT_RXTERR 0x00200000 /* tag error during rx DMA */
#define HME_SEB_STAT_EOPERR 0x00400000 /* tx descriptor did not set EOP */
#define HME_SEB_STAT_MIFIRQ 0x00800000 /* mif needs attention */
#define HME_SEB_STAT_HOSTTOTX 0x01000000 /* pkt moved from memory->tx fifo */
#define HME_SEB_STAT_TXALL 0x02000000 /* all pkts in fifo transmitted */
#define HME_SEB_STAT_TXEACK 0x04000000 /* error during tx DMA */
#define HME_SEB_STAT_TXLERR 0x08000000 /* late error during tx DMA */
#define HME_SEB_STAT_TXPERR 0x10000000 /* parity error during tx DMA */
#define HME_SEB_STAT_TXTERR 0x20000000 /* tag error during tx DMA */
#define HME_SEB_STAT_SLVERR 0x40000000 /* pio access error */
#define HME_SEB_STAT_SLVPERR 0x80000000 /* pio access parity error */
#define HME_SEB_STAT_BITS "\177\020" \
"b\0GOTFRAME\0b\1RCNTEXP\0b\2ACNTEXP\0" \
"b\3CCNTEXP\0b\4LCNTEXP\0b\5RFIFOVF\0" \
"b\6CVCNTEXP\0b\7STSTERR\0b\10SENTFRAME\0" \
"b\11TFIFO_UND\0b\12MAXPKTERR\0b\13NCNTEXP\0" \
"b\14ECNTEXP\0b\15LCCNTEXP\0b\16FCNTEXP\0" \
"b\17DTIMEXP\0b\20RXTOHOST\0b\21NORXD\0" \
"b\22RXERR\0b\23RXLATERR\0b\24RXPERR\0" \
"b\25RXTERR\0b\26EOPERR\0b\27MIFIRQ\0" \
"b\30HOSTTOTX\0b\31TXALL\0b\32XTEACK\0" \
"b\33TXLERR\0b\34TXPERR\0b\35TXTERR\0" \
"b\36SLVERR\0b\37SLVPERR\0\0"
#define HME_SEB_STAT_ALL_ERRORS \
(HME_SEB_STAT_SLVPERR | HME_SEB_STAT_SLVERR | HME_SEB_STAT_TXTERR |\
HME_SEB_STAT_TXPERR | HME_SEB_STAT_TXLERR | HME_SEB_STAT_TXEACK |\
HME_SEB_STAT_EOPERR | HME_SEB_STAT_RXTERR | HME_SEB_STAT_RXPERR |\
HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR | HME_SEB_STAT_NORXD |\
HME_SEB_STAT_MAXPKTERR| HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR |\
HME_SEB_STAT_RFIFOVF)
#define HME_SEB_STAT_VLAN_ERRORS \
(HME_SEB_STAT_SLVPERR | HME_SEB_STAT_SLVERR | HME_SEB_STAT_TXTERR |\
HME_SEB_STAT_TXPERR | HME_SEB_STAT_TXLERR | HME_SEB_STAT_TXEACK |\
HME_SEB_STAT_EOPERR | HME_SEB_STAT_RXTERR | HME_SEB_STAT_RXPERR |\
HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR | HME_SEB_STAT_NORXD |\
HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR | HME_SEB_STAT_RFIFOVF)
#define HME_SEB_STAT_FATAL_ERRORS \
(HME_SEB_STAT_SLVPERR | HME_SEB_STAT_SLVERR | HME_SEB_STAT_TXTERR |\
HME_SEB_STAT_TXPERR | HME_SEB_STAT_TXLERR | HME_SEB_STAT_TXEACK |\
HME_SEB_STAT_RXTERR | HME_SEB_STAT_RXPERR | HME_SEB_STAT_RXLATERR |\
HME_SEB_STAT_RXERR)
/*
* HME Transmitter register offsets
*/
#define HME_ETXI_PENDING (0*4) /* Pending/wakeup */
#define HME_ETXI_CFG (1*4)
#define HME_ETXI_RING (2*4) /* Descriptor Ring pointer */
#define HME_ETXI_BBASE (3*4) /* Buffer base address (ro) */
#define HME_ETXI_BDISP (4*4) /* Buffer displacement (ro) */
#define HME_ETXI_FIFO_WPTR (5*4) /* FIFO write pointer */
#define HME_ETXI_FIFO_SWPTR (6*4) /* FIFO shadow write pointer */
#define HME_ETXI_FIFO_RPTR (7*4) /* FIFO read pointer */
#define HME_ETXI_FIFO_SRPTR (8*4) /* FIFO shadow read pointer */
#define HME_ETXI_FIFO_PKTCNT (9*4) /* FIFO packet counter */
#define HME_ETXI_STATEMACHINE (10*4) /* State machine */
#define HME_ETXI_RSIZE (11*4) /* Ring size */
#define HME_ETXI_BPTR (12*4) /* Buffer pointer */
/* TXI_PENDING bits */
#define HME_ETX_TP_DMAWAKEUP 0x00000001 /* Start tx (rw, auto-clear) */
/* TXI_CFG bits */
#define HME_ETX_CFG_DMAENABLE 0x00000001 /* Enable TX DMA */
#define HME_ETX_CFG_FIFOTHRESH 0x000003fe /* TX fifo threshold */
#define HME_ETX_CFG_IRQDAFTER 0x00000400 /* Intr after tx-fifo empty */
#define HME_ETX_CFG_IRQDBEFORE 0x00000000 /* Intr before tx-fifo empty */
/*
* HME Receiver register offsets
*/
#define HME_ERXI_CFG (0*4)
#define HME_ERXI_RING (1*4) /* Descriptor Ring pointer */
#define HME_ERXI_BPTR (2*4) /* Data Buffer pointer (ro) */
#define HME_ERXI_FIFO_WPTR (3*4) /* FIFO write pointer */
#define HME_ERXI_FIFO_SWPTR (4*4) /* FIFO shadow write pointer */
#define HME_ERXI_FIFO_RPTR (5*4) /* FIFO read pointer */
#define HME_ERXI_FIFO_PKTCNT (6*4) /* FIFO packet counter */
#define HME_ERXI_STATEMACHINE (7*4) /* State machine */
/* RXI_CFG bits */
#define HME_ERX_CFG_DMAENABLE 0x00000001 /* Enable RX DMA */
#define HME_ERX_CFG_FBO_MASK 0x00000038 /* RX first byte offset */
#define HME_ERX_CFG_FBO_SHIFT 0x00000003
#define HME_ERX_CFG_RINGSIZE32 0x00000000 /* Descriptor ring size: 32 */
#define HME_ERX_CFG_RINGSIZE64 0x00000200 /* Descriptor ring size: 64 */
#define HME_ERX_CFG_RINGSIZE128 0x00000400 /* Descriptor ring size: 128 */
#define HME_ERX_CFG_RINGSIZE256 0x00000600 /* Descriptor ring size: 256 */
#define HME_ERX_CFG_RINGSIZEMSK 0x00000600 /* Descriptor ring size: 256 */
#define HME_ERX_CFG_CSUMSTART_MASK 0x007f0000 /* cksum offset mask */
#define HME_ERX_CFG_CSUMSTART_SHIFT 16
/*
* HME MAC-core register offsets
*/
#define HME_MACI_XIF (0*4)
#define HME_MACI_TXSWRST (130*4) /* TX reset */
#define HME_MACI_TXCFG (131*4) /* TX config */
#define HME_MACI_JSIZE (139*4) /* TX jam size */
#define HME_MACI_TXSIZE (140*4) /* TX max size */
#define HME_MACI_NCCNT (144*4) /* TX normal collision cnt */
#define HME_MACI_FCCNT (145*4) /* TX first collision cnt */
#define HME_MACI_EXCNT (146*4) /* TX excess collision cnt */
#define HME_MACI_LTCNT (147*4) /* TX late collision cnt */
#define HME_MACI_RANDSEED (148*4) /* */
#define HME_MACI_RXSWRST (194*4) /* RX reset */
#define HME_MACI_RXCFG (195*4) /* RX config */
#define HME_MACI_RXSIZE (196*4) /* RX max size */
#define HME_MACI_MACADDR2 (198*4) /* MAC address */
#define HME_MACI_MACADDR1 (199*4)
#define HME_MACI_MACADDR0 (200*4)
#define HME_MACI_HASHTAB3 (208*4) /* Address hash table */
#define HME_MACI_HASHTAB2 (209*4)
#define HME_MACI_HASHTAB1 (210*4)
#define HME_MACI_HASHTAB0 (211*4)
#define HME_MACI_AFILTER2 (212*4) /* Address filter */
#define HME_MACI_AFILTER1 (213*4)
#define HME_MACI_AFILTER0 (214*4)
#define HME_MACI_AFILTER_MASK (215*4)
/* XIF config register. */
#define HME_MAC_XIF_OE 0x00000001 /* Output driver enable */
#define HME_MAC_XIF_XLBACK 0x00000002 /* Loopback-mode XIF enable */
#define HME_MAC_XIF_MLBACK 0x00000004 /* Loopback-mode MII enable */
#define HME_MAC_XIF_MIIENABLE 0x00000008 /* MII receive buffer enable */
#define HME_MAC_XIF_SQENABLE 0x00000010 /* SQE test enable */
#define HME_MAC_XIF_SQETWIN 0x000003e0 /* SQE time window */
#define HME_MAC_XIF_LANCE 0x00000010 /* Lance mode enable */
#define HME_MAC_XIF_LIPG0 0x000003e0 /* Lance mode IPG0 */
/* Transmit config register. */
#define HME_MAC_TXCFG_ENABLE 0x00000001 /* Enable the transmitter */
#define HME_MAC_TXCFG_SMODE 0x00000020 /* Enable slow transmit mode */
#define HME_MAC_TXCFG_CIGN 0x00000040 /* Ignore transmit collisions */
#define HME_MAC_TXCFG_FCSOFF 0x00000080 /* Do not emit FCS */
#define HME_MAC_TXCFG_DBACKOFF 0x00000100 /* Disable backoff */
#define HME_MAC_TXCFG_FULLDPLX 0x00000200 /* Enable full-duplex */
#define HME_MAC_TXCFG_DGIVEUP 0x00000400 /* Don't give up on transmits */
/* Receive config register. */
#define HME_MAC_RXCFG_ENABLE 0x00000001 /* Enable the receiver */
#define HME_MAC_RXCFG_PSTRIP 0x00000020 /* Pad byte strip enable */
#define HME_MAC_RXCFG_PMISC 0x00000040 /* Enable promiscuous mode */
#define HME_MAC_RXCFG_DERR 0x00000080 /* Disable error checking */
#define HME_MAC_RXCFG_DCRCS 0x00000100 /* Disable CRC stripping */
#define HME_MAC_RXCFG_ME 0x00000200 /* Receive packets addressed to me */
#define HME_MAC_RXCFG_PGRP 0x00000400 /* Enable promisc group mode */
#define HME_MAC_RXCFG_HENABLE 0x00000800 /* Enable the hash filter */
#define HME_MAC_RXCFG_AENABLE 0x00001000 /* Enable the address filter */
/*
* HME MIF register offsets
*/
#define HME_MIFI_BB_CLK (0*4) /* bit-bang clock */
#define HME_MIFI_BB_DATA (1*4) /* bit-bang data */
#define HME_MIFI_BB_OE (2*4) /* bit-bang output enable */
#define HME_MIFI_FO (3*4) /* frame output */
#define HME_MIFI_CFG (4*4) /* */
#define HME_MIFI_IMASK (5*4) /* Interrupt mask for status change */
#define HME_MIFI_STAT (6*4) /* Status (ro, auto-clear) */
#define HME_MIFI_SM (7*4) /* State machine (ro) */
/* MIF Configuration register */
#define HME_MIF_CFG_PHY 0x00000001 /* PHY select */
#define HME_MIF_CFG_PE 0x00000002 /* Poll enable */
#define HME_MIF_CFG_BBMODE 0x00000004 /* Bit-bang mode */
#define HME_MIF_CFG_PRADDR 0x000000f8 /* Poll register address */
#define HME_MIF_CFG_MDI0 0x00000100 /* MDI_0 (ro) */
#define HME_MIF_CFG_MDI1 0x00000200 /* MDI_1 (ro) */
#define HME_MIF_CFG_PPADDR 0x00007c00 /* Poll phy address */
/* MIF Frame/Output register */
#define HME_MIF_FO_ST 0xc0000000 /* Start of frame */
#define HME_MIF_FO_ST_SHIFT 30 /* */
#define HME_MIF_FO_OPC 0x30000000 /* Opcode */
#define HME_MIF_FO_OPC_SHIFT 28 /* */
#define HME_MIF_FO_PHYAD 0x0f800000 /* PHY Address */
#define HME_MIF_FO_PHYAD_SHIFT 23 /* */
#define HME_MIF_FO_REGAD 0x007c0000 /* Register Address */
#define HME_MIF_FO_REGAD_SHIFT 18 /* */
#define HME_MIF_FO_TAMSB 0x00020000 /* Turn-around MSB */
#define HME_MIF_FO_TALSB 0x00010000 /* Turn-around LSB */
#define HME_MIF_FO_DATA 0x0000ffff /* data to read or write */
/* Wired HME PHY addresses */
#define HME_PHYAD_INTERNAL 1
#define HME_PHYAD_EXTERNAL 0
/*
* Buffer Descriptors.
*/
#define HME_XD_SIZE 8
#define HME_XD_FLAGS(base, index) ((base) + ((index) * HME_XD_SIZE) + 0)
#define HME_XD_ADDR(base, index) ((base) + ((index) * HME_XD_SIZE) + 4)
#define HME_XD_GETFLAGS(p, b, i) \
((p) ? le32toh(*((u_int32_t *)HME_XD_FLAGS(b,i))) : \
(*((u_int32_t *)HME_XD_FLAGS(b,i))))
#define HME_XD_SETFLAGS(p, b, i, f) do { \
*((u_int32_t *)HME_XD_FLAGS(b,i)) = ((p) ? htole32((f)) : (f)); \
} while(/* CONSTCOND */ 0)
#define HME_XD_SETADDR(p, b, i, a) do { \
*((u_int32_t *)HME_XD_ADDR(b,i)) = ((p) ? htole32((a)) : (a)); \
} while(/* CONSTCOND */ 0)
/* Descriptor flag values */
#define HME_XD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
#define HME_XD_SOP 0x40000000 /* start of packet marker (tx) */
#define HME_XD_OFL 0x40000000 /* buffer overflow (rx) */
#define HME_XD_EOP 0x20000000 /* end of packet marker (tx) */
#define HME_XD_TXCKSUM 0x10000000 /* checksum enable (tx) */
#define HME_XD_RXLENMSK 0x3fff0000 /* packet length mask (rx) */
#define HME_XD_RXLENSHIFT 16
#define HME_XD_TXLENMSK 0x00003fff /* packet length mask (tx) */
#define HME_XD_TXCKSUM_SSHIFT 14
#define HME_XD_TXCKSUM_OSHIFT 20
#define HME_XD_RXCKSUM 0x0000ffff /* packet checksum (rx) */
/* Macros to encode/decode the receive buffer size from the flags field */
#define HME_XD_ENCODE_RSIZE(sz) \
(((sz) << HME_XD_RXLENSHIFT) & HME_XD_RXLENMSK)
#define HME_XD_DECODE_RSIZE(flags) \
(((flags) & HME_XD_RXLENMSK) >> HME_XD_RXLENSHIFT)
/* Provide encode/decode macros for the transmit buffers for symmetry */
#define HME_XD_ENCODE_TSIZE(sz) \
(((sz) << 0) & HME_XD_TXLENMSK)
#define HME_XD_DECODE_TSIZE(flags) \
(((flags) & HME_XD_TXLENMSK) >> 0)
#define HME_MINRXALIGN 0x10
#define HME_RXOFFS 2