NetBSD/sys/dev/ic/elinkxlreg.h

329 lines
10 KiB
C

/* $NetBSD: elinkxlreg.h,v 1.10 2001/12/28 20:35:47 christos Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
/*
* This file defines the registers specific to the EtherLink XL family
* of NICs.
*/
#define EEPROM_SOFTINFO3 0x15 /* Software info #3 */
#define EEPROM_SUBVENDOR_ELXL 0x17 /* Subsys vendor id */
#define EEPROM_SUBSYSID 0x18 /* Subsys id */
#define EEPROM_MEDIA 0x19 /* Media options (90xB) */
#define EEPROM_CHECKSUM_ELXL 0x20 /* EEPROM checksum */
#define READ_EEPROM8 0x0200 /* 8 bit EEPROM read command */
/*
* Flat address space registers (outside the windows)
*/
#define ELINK_TXPKTID 0x18 /* 90xB only */
#define ELINK_TIMER 0x1a
#define ELINK_TXSTATUS 0x1b
#define ELINK_INTSTATUSAUTO 0x1e
#define ELINK_DMACTRL 0x20
# define ELINK_DMAC_DNCMPLREQ 0x00000002
# define ELINK_DMAC_DNSTALLED 0x00000004
# define ELINK_DMAC_UPCOMPLETE 0x00000008
# define ELINK_DMAC_DNCOMPLETE 0x00000010
# define ELINK_DMAC_UPRXEAREN 0x00000020
# define ELINK_DMAC_ARNCNTDN 0x00000040
# define ELINK_DMAC_DNINPROG 0x00000080
# define ELINK_DMAC_CNTSPEED 0x00000100
# define ELINK_DMAC_CNTDNMODE 0x00000200
# define ELINK_DMAC_ALTSEQDIS 0x00010000
# define ELINK_DMAC_DEFEATMWI 0x00100000
# define ELINK_DMAC_DEFEATMRL 0x00200000
# define ELINK_DMAC_UPOVERDIS 0x00400000
# define ELINK_DMAC_TARGABORT 0x40000000
# define ELINK_DMAC_MSTRABORT 0x80000000
#define ELINK_DNLISTPTR 0x24
#define ELINK_DNBURSTTHRESH 0x2a /* 90xB only */
#define ELINK_DNPRIOTHRESH 0x2c /* 90xB only */
#define ELINK_DNPOLL 0x2d /* 90xB only */
#define ELINK_TXFREETHRESH 0x2f /* 90x only */
#define ELINK_UPPKTSTATUS 0x30
#define ELINK_FREETIMER 0x34
#define ELINK_COUNTDOWN 0x36
#define ELINK_UPLISTPTR 0x38
#define ELINK_UPPRIOTHRESH 0x3c /* 90xB only */
#define ELINK_UPPOLL 0x3d /* 90xB only */
#define ELINK_UPBURSTTHRESH 0x3e /* 90xB only */
#define ELINK_REALTIMECNT 0x40 /* 90xB only */
#define ELINK_DNMAXBURST 0x78 /* 90xB only */
#define ELINK_UPMAXBURST 0x7a /* 90xB only */
/*
* This is reset options for the other cards, media options for
* the 90xB NICs. Reset options are in a separate register for
* the 90xB.
*/
#define ELINK_W3_MEDIA_OPTIONS 0x08
# define ELINK_MEDIACAP_100BASET4 0x0001
# define ELINK_MEDIACAP_100BASETX 0x0002
# define ELINK_MEDIACAP_100BASEFX 0x0004
# define ELINK_MEDIACAP_10BASET 0x0008
# define ELINK_MEDIACAP_10BASE2 0x0010
# define ELINK_MEDIACAP_10BASE5 0x0020
# define ELINK_MEDIACAP_MII 0x0040
# define ELINK_MEDIACAP_10BASEFL 0x0080
/*
* Reset options for the 90xB
*/
#define ELINK_W2_RESET_OPTIONS 0x0c
# define ELINK_RESET_OPT_LEDPOLAR 0x0010
# define ELINK_RESET_OPT_PHYPOWER 0x4000
/*
* Window 4, offset 8 is defined for MII/PHY access for EtherLink XL
* cards.
*/
#define ELINK_W4_PHYSMGMT 0x08
# define ELINK_PHY_CLK 0x0001
# define ELINK_PHY_DATA 0x0002
# define ELINK_PHY_DIR 0x0004
/*
* Counter in window 4 for packets with a bad start-of-stream delimiter/
*/
#define ELINK_W4_BADSSD 0x0c
#define ELINK_W4_UBYTESOK 0x0d
/*
* Define for extra multicast hash filter bit implemented in the 90xB
*/
#define FIL_MULTIHASH 0x10
/*
* Defines for the interrupt status register, only for the 90x[B]
*/
#define HOST_ERROR 0x0002
#define LINK_EVENT 0x0100
#define DN_COMPLETE 0x0200
#define UP_COMPLETE 0x0400
#define XL_WATCHED_INTERRUPTS \
(HOST_ERROR | TX_COMPLETE | UPD_STATS | DN_COMPLETE | UP_COMPLETE)
/*
* Window 7 registers. These are different for 90x and 90xB than
* for the EtherLink III / Fast EtherLink cards.
*/
#define ELINK_W7_VLANMASK 0x00 /* 90xB only */
#define ELINK_W7_VLANTYPE 0x04 /* 90xB only */
#define ELINK_W7_TIMER 0x0a /* 90x only */
#define ELINK_W7_TX_STATUS 0x0b /* 90x only */
#define ELINK_W7_POWEREVENT 0x0c /* 90xB only */
#define ELINK_W7_INTSTATUS 0x0e
/*
* Command definitions.
*/
#define ELINK_UPSTALL 0x3000
#define ELINK_UPUNSTALL 0x3001
#define ELINK_DNSTALL 0x3002
#define ELINK_DNUNSTALL 0x3003
#define ELINK_TXRECLTHRESH 0xc000
#define ELINK_TXSTARTTHRESH 0x9800
#define ELINK_SETHASHFILBIT 0xcc00
/*
* The Internal Config register is different on 90xB cards. The
* different masks / shifts are defined here.
*/
/*
* Lower 16 bits.
*/
#define CONFIG_TXLARGE (u_int16_t) 0x4000
#define CONFIG_TXLARGE_SHIFT 14
#define CONFIG_RXLARGE (u_int16_t) 0x8000
#define CONFIG_RXLARGE_SHIFT 15
/*
* Upper 16 bits.
*/
#define CONFIG_XCVR_SEL (u_int16_t) 0x00f0
#define CONFIG_XCVR_SEL_SHIFT 4
#define ELINKMEDIA_AUTO 8
#define CONFIG_AUTOSEL (u_int16_t) 0x0100
#define CONFIG_AUTOSEL_SHIFT 8
#define CONFIG_DISABLEROM (u_int16_t) 0x0200
#define CONFIG_DISABLEROM_SHIFT 9
/*
* ID of internal PHY.
*/
#define ELINK_INTPHY_ID 24
/*
* Fragment header as laid out in memory for DMA access.
*/
struct ex_fraghdr {
volatile u_int32_t fr_addr; /* phys addr of frag */
volatile u_int32_t fr_len; /* length of frag */
};
#define EX_FR_LENMASK 0x00001fff /* mask for length in fr_len field */
#define EX_FR_LAST 0x80000000 /* indicates last fragment */
#define EX_NDPD 256
#define EX_NUPD 128
/*
* Note: the number of receive fragments in an UPD is 1, since we're
* receiving into one contiguous mbuf.
*/
#define EX_NRFRAGS 1 /* # fragments in rcv pkt (< 64) */
#define EX_NTFRAGS 32 /* # fragments in tx pkt (< 64) */
/*
* Type 0 Download Packet Descriptor (DPD).
*/
struct ex_dpd {
volatile u_int32_t dpd_nextptr; /* prt to next fragheader */
volatile u_int32_t dpd_fsh; /* frame start header */
volatile struct ex_fraghdr dpd_frags[EX_NTFRAGS];
};
/*
* Type 1 DPD, supported by 90xB.
*/
struct ex_dpd1 {
volatile u_int32_t dpd_nextptr;
volatile u_int32_t dpd_schedtime; /* time to download */
volatile u_int32_t dpd_fsh;
volatile struct ex_fraghdr dpd_frags[EX_NTFRAGS];
};
struct ex_upd {
volatile u_int32_t upd_nextptr;
volatile u_int32_t upd_pktstatus;
volatile struct ex_fraghdr upd_frags[EX_NRFRAGS];
};
/*
* Higher level linked list of upload packet descriptors.
*/
struct ex_rxdesc {
struct ex_rxdesc *rx_next;
struct mbuf *rx_mbhead;
bus_dmamap_t rx_dmamap;
struct ex_upd *rx_upd;
};
/*
* .. and for download packet descriptors.
*/
struct ex_txdesc {
struct ex_txdesc *tx_next;
struct mbuf *tx_mbhead;
bus_dmamap_t tx_dmamap;
struct ex_dpd *tx_dpd;
};
#define DPD_DMADDR(s,t) \
((s)->sc_dpddma + ((caddr_t)((t)->tx_dpd) - (caddr_t)((s)->sc_dpd)))
/*
* Frame Start Header bitfields.
*/
#define EX_DPD_DNIND 0x80000000 /* intr on download done */
#define EX_DPD_TXIND 0x00008000 /* intr on tx done */
#define EX_DPD_NOCRC 0x00002000 /* no CRC append */
/*
* Lower 12 bits are the tx length for the 90x family. The 90xB
* assumes that the tx length is the sum of all frame lengths,
* and uses the bits as below. It also defines some more bits in
* the upper part.
*/
#define EX_DPD_EMPTY 0x20000000 /* no data in this DPD */
#define EX_DPD_UPDEFEAT 0x10000000 /* don't round tx lengths up */
#define EX_DPD_UDPCKSUM 0x08000000 /* do hardware UDP checksum */
#define EX_DPD_TCPCKSUM 0x04000000 /* do hardware TCP checksum */
#define EX_DPD_IPCKSUM 0x02000000 /* do hardware IP checksum */
#define EX_DPD_DNCMPLT 0x01000000 /* packet has been downloaded */
#define EX_DPD_IDMASK 0x000003fc /* mask for packet id */
# define EX_DPD_IDSHIFT 2
#define EX_DPD_RNDMASK 0x00000003 /* mask for rounding */
/* 0 -> dword, 2 -> word, 1,3 -> none */
/*
* Schedtime bitfields.
*/
#define EX_SCHED_TIMEVALID 0x20000000 /* field contains value */
#define EX_SCHED_LDCOUNT 0x10000000 /* load schedtime onto NIC */
#define EX_SCHED_TIMEMASK 0x00ffffff
/*
* upd_pktstatus bitfields.
* The *CKSUMERR fields are only valid if the matching *CHECKED field
* is set.
*/
#define EX_UPD_PKTLENMASK 0x00001fff /* 12:0 -> packet length */
#define EX_UPD_ERROR 0x00004000 /* rcv error */
#define EX_UPD_COMPLETE 0x00008000 /* rcv complete */
#define EX_UPD_OVERRUN 0x00010000 /* rcv overrun */
#define EX_UPD_RUNT 0x00020000 /* pkt < 60 bytes */
#define EX_UPD_ALIGNERR 0x00040000 /* alignment error */
#define EX_UPD_CRCERR 0x00080000 /* CRC error */
#define EX_UPD_OVERSIZED 0x00100000 /* oversize frame */
#define EX_UPD_DRIBBLEBITS 0x00800000 /* pkt had dribble bits */
#define EX_UPD_OVERFLOW 0x01000000 /* insufficient space for pkt */
#define EX_UPD_IPCKSUMERR 0x02000000 /* IP cksum error (90xB) */
#define EX_UPD_TCPCKSUMERR 0x04000000 /* TCP cksum error (90xB) */
#define EX_UPD_UDPCKSUMERR 0x08000000 /* UDP cksum error (90xB) */
#define EX_UPD_IPCHECKED 0x20000000 /* IP cksum done */
#define EX_UPD_TCPCHECKED 0x40000000 /* TCP cksum done */
#define EX_UPD_UDPCHECKED 0x80000000 /* UDP cksum done */
#define EX_UPD_ERR 0x001f4000 /* Errors we check for */
#define EX_UPD_ERR_VLAN 0x000f0000 /* same for 802.1q */