d5e7be6625
as a RealTek 8139
if_rlreg.h: use bus_space_read_X() in CSR_READ_X() macros instead of
directly calling inb()/outb() etc...
rl.4 + RELNOTES.TXT: mention that SMC EtherEZ PCI 1211-TX is supported
by the RealTek driver
555 lines
17 KiB
C
555 lines
17 KiB
C
/*
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* Copyright (c) 1997, 1998
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: if_rlreg.h,v 1.14 1998/12/07 00:16:44 wpaul Exp $
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*/
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/*
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* RealTek 8129/8139 register offsets
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*/
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#define RL_IDR0 0x0000 /* ID register 0 (station addr) */
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#define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */
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#define RL_IDR2 0x0002
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#define RL_IDR3 0x0003
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#define RL_IDR4 0x0004
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#define RL_IDR5 0x0005
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/* 0006-0007 reserved */
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#define RL_MAR0 0x0008 /* Multicast hash table */
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#define RL_MAR1 0x0009
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#define RL_MAR2 0x000A
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#define RL_MAR3 0x000B
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#define RL_MAR4 0x000C
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#define RL_MAR5 0x000D
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#define RL_MAR6 0x000E
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#define RL_MAR7 0x000F
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#define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */
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#define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */
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#define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */
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#define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */
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#define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */
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#define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */
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#define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */
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#define RL_TXADDR3 0x002C /* address of TX descriptor 3 */
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#define RL_RXADDR 0x0030 /* RX ring start address */
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#define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */
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#define RL_RX_EARLY_STAT 0x0036 /* RX early status */
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#define RL_COMMAND 0x0037 /* command register */
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#define RL_CURRXADDR 0x0038 /* current address of packet read */
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#define RL_CURRXBUF 0x003A /* current RX buffer address */
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#define RL_IMR 0x003C /* interrupt mask register */
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#define RL_ISR 0x003E /* interrupt status register */
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#define RL_TXCFG 0x0040 /* transmit config */
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#define RL_RXCFG 0x0044 /* receive config */
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#define RL_TIMERCNT 0x0048 /* timer count register */
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#define RL_MISSEDPKT 0x004C /* missed packet counter */
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#define RL_EECMD 0x0050 /* EEPROM command register */
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#define RL_CFG0 0x0051 /* config register #0 */
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#define RL_CFG1 0x0052 /* config register #1 */
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/* 0053-0057 reserved */
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#define RL_MEDIASTAT 0x0058 /* media status register (8139) */
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/* 0059-005A reserved */
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#define RL_MII 0x005A /* 8129 chip only */
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#define RL_HALTCLK 0x005B
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#define RL_MULTIINTR 0x005C /* multiple interrupt */
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#define RL_PCIREV 0x005E /* PCI revision value */
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/* 005F reserved */
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#define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */
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/* Direct PHY access registers only available on 8139 */
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#define RL_BMCR 0x0062 /* PHY basic mode control */
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#define RL_BMSR 0x0064 /* PHY basic mode status */
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#define RL_ANAR 0x0066 /* PHY autoneg advert */
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#define RL_LPAR 0x0068 /* PHY link partner ability */
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#define RL_ANER 0x006A /* PHY autoneg expansion */
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#define RL_DISCCNT 0x006C /* disconnect counter */
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#define RL_FALSECAR 0x006E /* false carrier counter */
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#define RL_NWAYTST 0x0070 /* NWAY test register */
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#define RL_RX_ER 0x0072 /* RX_ER counter */
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#define RL_CSCFG 0x0074 /* CS configuration register */
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/*
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* TX config register bits
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*/
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#define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */
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#define RL_TXCFG_MXDMA0 0x00000100 /* max DMA burst size */
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#define RL_TXCFG_MXDMA1 0x00000200
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#define RL_TXCFG_MXDMA2 0x00000400
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#define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */
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#define RL_TXCFG_LOOPBKTST0 0x00020000 /* loopback test */
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#define RL_TXCFG_LOOPBKTST1 0x00040000 /* loopback test */
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#define RL_TXCFG_IFG0 0x01000000 /* interframe gap */
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#define RL_TXCFG_IFG1 0x02000000 /* interframe gap */
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/*
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* Transmit descriptor status register bits.
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*/
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#define RL_TXSTAT_LENMASK 0x00001FFF
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#define RL_TXSTAT_OWN 0x00002000
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#define RL_TXSTAT_TX_UNDERRUN 0x00004000
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#define RL_TXSTAT_TX_OK 0x00008000
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#define RL_TXSTAT_EARLY_THRESH 0x003F0000
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#define RL_TXSTAT_COLLCNT 0x0F000000
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#define RL_TXSTAT_CARR_HBEAT 0x10000000
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#define RL_TXSTAT_OUTOFWIN 0x20000000
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#define RL_TXSTAT_TXABRT 0x40000000
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#define RL_TXSTAT_CARRLOSS 0x80000000
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/*
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* Interrupt status register bits.
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*/
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#define RL_ISR_RX_OK 0x0001
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#define RL_ISR_RX_ERR 0x0002
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#define RL_ISR_TX_OK 0x0004
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#define RL_ISR_TX_ERR 0x0008
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#define RL_ISR_RX_OVERRUN 0x0010
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#define RL_ISR_PKT_UNDERRUN 0x0020
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#define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */
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#define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */
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#define RL_ISR_SYSTEM_ERR 0x8000
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#define RL_INTRS \
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(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
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RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
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RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
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/*
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* Media status register. (8139 only)
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*/
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#define RL_MEDIASTAT_RXPAUSE 0x01
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#define RL_MEDIASTAT_TXPAUSE 0x02
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#define RL_MEDIASTAT_LINK 0x04
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#define RL_MEDIASTAT_SPEED10 0x08
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#define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */
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#define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */
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/*
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* Receive config register.
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*/
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#define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */
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#define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */
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#define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */
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#define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */
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#define RL_RXCFG_RX_RUNT 0x00000010
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#define RL_RXCFG_RX_ERRPKT 0x00000020
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#define RL_RXCFG_WRAP 0x00000080
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#define RL_RXCFG_MAXDMA (0x00000100|0x00000200|0x00000400)
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#define RL_RXCFG_BUFSZ (0x00000800|0x00001000)
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#define RL_RXCFG_FIFOTHRESH (0x00002000|0x00004000|0x00008000)
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#define RL_RXCFG_EARLYTHRESH (0x01000000|0x02000000|0x04000000)
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#define RL_RXBUF_8 0x00000000
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#define RL_RXBUF_16 0x00000800
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#define RL_RXBUF_32 0x00001000
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#define RL_RXBUF_64 (0x00001000|0x00000800)
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/*
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* Bits in RX status header (included with RX'ed packet
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* in ring buffer).
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*/
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#define RL_RXSTAT_RXOK 0x00000001
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#define RL_RXSTAT_ALIGNERR 0x00000002
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#define RL_RXSTAT_CRCERR 0x00000004
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#define RL_RXSTAT_GIANT 0x00000008
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#define RL_RXSTAT_RUNT 0x00000010
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#define RL_RXSTAT_BADSYM 0x00000020
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#define RL_RXSTAT_BROAD 0x00002000
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#define RL_RXSTAT_INDIV 0x00004000
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#define RL_RXSTAT_MULTI 0x00008000
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#define RL_RXSTAT_LENMASK 0xFFFF0000
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#define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */
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/*
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* Command register.
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*/
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#define RL_CMD_EMPTY_RXBUF 0x0001
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#define RL_CMD_TX_ENB 0x0004
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#define RL_CMD_RX_ENB 0x0008
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#define RL_CMD_RESET 0x0010
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/*
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* EEPROM control register
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*/
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#define RL_EE_DATAOUT 0x01 /* Data out */
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#define RL_EE_DATAIN 0x02 /* Data in */
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#define RL_EE_CLK 0x04 /* clock */
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#define RL_EE_SEL 0x08 /* chip select */
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#define RL_EE_MODE (0x40|0x80)
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#define RL_EEMODE_OFF 0x00
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#define RL_EEMODE_AUTOLOAD 0x40
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#define RL_EEMODE_PROGRAM 0x80
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#define RL_EEMODE_WRITECFG (0x80|0x40)
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/* 9346 EEPROM commands */
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#define RL_EECMD_WRITE 0x140
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#define RL_EECMD_READ 0x180
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#define RL_EECMD_ERASE 0x1c0
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#define RL_EE_ID 0x00
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#define RL_EE_PCI_VID 0x01
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#define RL_EE_PCI_DID 0x02
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/* Location of station address inside EEPROM */
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#define RL_EE_EADDR 0x07
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/*
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* MII register (8129 only)
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*/
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#define RL_MII_CLK 0x01
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#define RL_MII_DATAIN 0x02
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#define RL_MII_DATAOUT 0x04
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#define RL_MII_DIR 0x80 /* 0 == input, 1 == output */
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/*
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* Config 0 register
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*/
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#define RL_CFG0_ROM0 0x01
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#define RL_CFG0_ROM1 0x02
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#define RL_CFG0_ROM2 0x04
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#define RL_CFG0_PL0 0x08
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#define RL_CFG0_PL1 0x10
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#define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */
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#define RL_CFG0_PCS 0x40
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#define RL_CFG0_SCR 0x80
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/*
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* Config 1 register
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*/
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#define RL_CFG1_PWRDWN 0x01
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#define RL_CFG1_SLEEP 0x02
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#define RL_CFG1_IOMAP 0x04
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#define RL_CFG1_MEMMAP 0x08
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#define RL_CFG1_RSVD 0x10
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#define RL_CFG1_DRVLOAD 0x20
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#define RL_CFG1_LED0 0x40
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#define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */
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#define RL_CFG1_LED1 0x80
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/*
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* The RealTek doesn't use a fragment-based descriptor mechanism.
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* Instead, there are only four register sets, each or which represents
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* one 'descriptor.' Basically, each TX descriptor is just a contiguous
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* packet buffer (32-bit aligned!) and we place the buffer addresses in
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* the registers so the chip knows where they are.
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*
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* We can sort of kludge together the same kind of buffer management
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* used in previous drivers, but we have to do buffer copies almost all
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* the time, so it doesn't really buy us much.
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*
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* For reception, there's just one large buffer where the chip stores
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* all received packets.
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*/
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#define RL_RX_BUF_SZ RL_RXBUF_64
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#define RL_RXBUFLEN (1 << ((RL_RX_BUF_SZ >> 11) + 13))
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#define RL_TX_LIST_CNT 4
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#define RL_MIN_FRAMELEN 60
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#define RL_TX_EARLYTHRESH 0x80000 /* 256 << 11 */
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#define RL_RX_FIFOTHRESH 0x8000 /* 4 << 13 */
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#define RL_RX_MAXDMA 0x00000400
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#define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_BUF_SZ)
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struct rl_chain {
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char rl_desc; /* descriptor register idx */
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struct mbuf *rl_mbuf;
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struct rl_chain *rl_next;
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};
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struct rl_chain_data {
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u_int16_t cur_rx;
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caddr_t rl_rx_buf;
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struct rl_chain rl_tx_chain[RL_TX_LIST_CNT];
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int rl_tx_cnt;
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struct rl_chain *rl_tx_cur;
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struct rl_chain *rl_tx_free;
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};
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struct rl_type {
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u_int16_t rl_vid;
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u_int16_t rl_did;
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char *rl_name;
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};
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struct rl_mii_frame {
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u_int8_t mii_stdelim;
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u_int8_t mii_opcode;
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u_int8_t mii_phyaddr;
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u_int8_t mii_regaddr;
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u_int8_t mii_turnaround;
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u_int16_t mii_data;
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};
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/*
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* MII constants
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*/
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#define RL_MII_STARTDELIM 0x01
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#define RL_MII_READOP 0x02
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#define RL_MII_WRITEOP 0x01
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#define RL_MII_TURNAROUND 0x02
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#define RL_FLAG_FORCEDELAY 1
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#define RL_FLAG_SCHEDDELAY 2
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#define RL_FLAG_DELAYTIMEO 3
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#define RL_8129 1
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#define RL_8139 2
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struct rl_softc {
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struct arpcom arpcom; /* interface info */
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struct ifmedia ifmedia; /* media info */
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bus_space_handle_t rl_bhandle; /* bus space handle */
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bus_space_tag_t rl_btag; /* bus space tag */
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struct rl_type *rl_pinfo; /* phy info */
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u_int8_t rl_unit; /* interface number */
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u_int8_t rl_type;
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u_int8_t rl_phy_addr; /* PHY address */
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u_int8_t rl_tx_pend; /* TX pending */
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u_int8_t rl_want_auto;
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u_int8_t rl_autoneg;
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u_int8_t rl_stats_no_timeout;
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struct rl_chain_data rl_cdata;
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};
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/*
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* register space access macros
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*/
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#define CSR_WRITE_4(sc, reg, val) \
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bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val)
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#define CSR_WRITE_2(sc, reg, val) \
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bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val)
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#define CSR_WRITE_1(sc, reg, val) \
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bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val)
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#define CSR_READ_4(sc, reg) \
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bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg)
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#define CSR_READ_2(sc, reg) \
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bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg)
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#define CSR_READ_1(sc, reg) \
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bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg)
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#define RL_TIMEOUT 1000
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/*
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* General constants that are fun to know.
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*
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* RealTek PCI vendor ID
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*/
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#define RT_VENDORID 0x10EC
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/*
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* Accton PCI vendor ID
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*/
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#define ACCTON_VENDORID 0x1113
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/*
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* RealTek chip device IDs.
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*/
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#define RT_DEVICEID_8129 0x8129
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#define RT_DEVICEID_8139 0x8139
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/*
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* Accton MPX 5030/5038 device ID.
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*/
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#define ACCTON_DEVICEID_5030 0x1211
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/*
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* Texas Instruments PHY identifiers
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*/
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#define TI_PHY_VENDORID 0x4000
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#define TI_PHY_10BT 0x501F
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#define TI_PHY_100VGPMI 0x502F
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/*
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* These ID values are for the NS DP83840A 10/100 PHY
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*/
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#define NS_PHY_VENDORID 0x2000
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#define NS_PHY_83840A 0x5C0F
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/*
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* Level 1 10/100 PHY
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*/
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#define LEVEL1_PHY_VENDORID 0x7810
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#define LEVEL1_PHY_LXT970 0x000F
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/*
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* Intel 82555 10/100 PHY
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*/
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#define INTEL_PHY_VENDORID 0x0A28
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#define INTEL_PHY_82555 0x015F
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/*
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* SEEQ 80220 10/100 PHY
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*/
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#define SEEQ_PHY_VENDORID 0x0016
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#define SEEQ_PHY_80220 0xF83F
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/*
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* PCI low memory base and low I/O base register, and
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* other PCI registers. Note: some are only available on
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* the 3c905B, in particular those that related to power management.
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*/
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#define RL_PCI_VENDOR_ID 0x00
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#define RL_PCI_DEVICE_ID 0x02
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#define RL_PCI_COMMAND 0x04
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#define RL_PCI_STATUS 0x06
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#define RL_PCI_CLASSCODE 0x09
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#define RL_PCI_LATENCY_TIMER 0x0D
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#define RL_PCI_HEADER_TYPE 0x0E
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#define RL_PCI_LOIO 0x10
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#define RL_PCI_LOMEM 0x14
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#define RL_PCI_BIOSROM 0x30
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#define RL_PCI_INTLINE 0x3C
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#define RL_PCI_INTPIN 0x3D
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#define RL_PCI_MINGNT 0x3E
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#define RL_PCI_MINLAT 0x0F
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#define RL_PCI_RESETOPT 0x48
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#define RL_PCI_EEPROM_DATA 0x4C
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#define RL_PCI_CAPID 0xDC /* 8 bits */
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#define RL_PCI_NEXTPTR 0xDD /* 8 bits */
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#define RL_PCI_PWRMGMTCAP 0xDE /* 16 bits */
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#define RL_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */
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#define RL_PSTATE_MASK 0x0003
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#define RL_PSTATE_D0 0x0000
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#define RL_PSTATE_D1 0x0002
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#define RL_PSTATE_D2 0x0002
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#define RL_PSTATE_D3 0x0003
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#define RL_PME_EN 0x0010
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#define RL_PME_STATUS 0x8000
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#define PHY_UNKNOWN 6
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#define RL_PHYADDR_MIN 0x00
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#define RL_PHYADDR_MAX 0x1F
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#define PHY_BMCR 0x00
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#define PHY_BMSR 0x01
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#define PHY_VENID 0x02
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#define PHY_DEVID 0x03
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#define PHY_ANAR 0x04
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#define PHY_LPAR 0x05
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#define PHY_ANEXP 0x06
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#define PHY_ANAR_NEXTPAGE 0x8000
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#define PHY_ANAR_RSVD0 0x4000
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#define PHY_ANAR_TLRFLT 0x2000
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#define PHY_ANAR_RSVD1 0x1000
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#define PHY_ANAR_RSVD2 0x0800
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#define PHY_ANAR_RSVD3 0x0400
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#define PHY_ANAR_100BT4 0x0200
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#define PHY_ANAR_100BTXFULL 0x0100
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#define PHY_ANAR_100BTXHALF 0x0080
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#define PHY_ANAR_10BTFULL 0x0040
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#define PHY_ANAR_10BTHALF 0x0020
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#define PHY_ANAR_PROTO4 0x0010
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#define PHY_ANAR_PROTO3 0x0008
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#define PHY_ANAR_PROTO2 0x0004
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#define PHY_ANAR_PROTO1 0x0002
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#define PHY_ANAR_PROTO0 0x0001
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/*
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* These are the register definitions for the PHY (physical layer
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* interface chip).
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*/
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/*
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* PHY BMCR Basic Mode Control Register
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*/
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#define PHY_BMCR_RESET 0x8000
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#define PHY_BMCR_LOOPBK 0x4000
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#define PHY_BMCR_SPEEDSEL 0x2000
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#define PHY_BMCR_AUTONEGENBL 0x1000
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#define PHY_BMCR_RSVD0 0x0800 /* write as zero */
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#define PHY_BMCR_ISOLATE 0x0400
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#define PHY_BMCR_AUTONEGRSTR 0x0200
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#define PHY_BMCR_DUPLEX 0x0100
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#define PHY_BMCR_COLLTEST 0x0080
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#define PHY_BMCR_RSVD1 0x0040 /* write as zero, don't care */
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#define PHY_BMCR_RSVD2 0x0020 /* write as zero, don't care */
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#define PHY_BMCR_RSVD3 0x0010 /* write as zero, don't care */
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#define PHY_BMCR_RSVD4 0x0008 /* write as zero, don't care */
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#define PHY_BMCR_RSVD5 0x0004 /* write as zero, don't care */
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#define PHY_BMCR_RSVD6 0x0002 /* write as zero, don't care */
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#define PHY_BMCR_RSVD7 0x0001 /* write as zero, don't care */
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/*
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* RESET: 1 == software reset, 0 == normal operation
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* Resets status and control registers to default values.
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* Relatches all hardware config values.
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*
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* LOOPBK: 1 == loopback operation enabled, 0 == normal operation
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*
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* SPEEDSEL: 1 == 100Mb/s, 0 == 10Mb/s
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* Link speed is selected byt his bit or if auto-negotiation if bit
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* 12 (AUTONEGENBL) is set (in which case the value of this register
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* is ignored).
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*
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* AUTONEGENBL: 1 == Autonegotiation enabled, 0 == Autonegotiation disabled
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* Bits 8 and 13 are ignored when autoneg is set, otherwise bits 8 and 13
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* determine speed and mode. Should be cleared and then set if PHY configured
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* for no autoneg on startup.
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|
*
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* ISOLATE: 1 == isolate PHY from MII, 0 == normal operation
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*
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* AUTONEGRSTR: 1 == restart autonegotiation, 0 = normal operation
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*
|
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* DUPLEX: 1 == full duplex mode, 0 == half duplex mode
|
|
*
|
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* COLLTEST: 1 == collision test enabled, 0 == normal operation
|
|
*/
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|
|
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/*
|
|
* PHY, BMSR Basic Mode Status Register
|
|
*/
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#define PHY_BMSR_100BT4 0x8000
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#define PHY_BMSR_100BTXFULL 0x4000
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#define PHY_BMSR_100BTXHALF 0x2000
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#define PHY_BMSR_10BTFULL 0x1000
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#define PHY_BMSR_10BTHALF 0x0800
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#define PHY_BMSR_RSVD1 0x0400 /* write as zero, don't care */
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#define PHY_BMSR_RSVD2 0x0200 /* write as zero, don't care */
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#define PHY_BMSR_RSVD3 0x0100 /* write as zero, don't care */
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#define PHY_BMSR_RSVD4 0x0080 /* write as zero, don't care */
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#define PHY_BMSR_MFPRESUP 0x0040
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|
#define PHY_BMSR_AUTONEGCOMP 0x0020
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|
#define PHY_BMSR_REMFAULT 0x0010
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#define PHY_BMSR_CANAUTONEG 0x0008
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|
#define PHY_BMSR_LINKSTAT 0x0004
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#define PHY_BMSR_JABBER 0x0002
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|
#define PHY_BMSR_EXTENDED 0x0001
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