/*- * Copyright (c) 2000 Berkeley Software Design, Inc. * Copyright (c) 1997, 1998, 1999, 2000 * Bill Paul . All rights reserved. * * 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 Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD * 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. * * $FreeBSD: src/sys/pci/if_pcnreg.h,v 1.15 2006/11/28 01:33:17 marius Exp $ */ /* * I/O map in 16-bit mode. To switch to 32-bit mode, * you need to perform a 32-bit write to the RDP register * (writing a 0 is recommended). */ #define PCN_IO16_APROM00 0x00 #define PCN_IO16_APROM01 0x02 #define PCN_IO16_APROM02 0x04 #define PCN_IO16_APROM03 0x06 #define PCN_IO16_APROM04 0x08 #define PCN_IO16_APROM05 0x0A #define PCN_IO16_APROM06 0x0C #define PCN_IO16_APROM07 0x0E #define PCN_IO16_RDP 0x10 #define PCN_IO16_RAP 0x12 #define PCN_IO16_RESET 0x14 #define PCN_IO16_BDP 0x16 /* * I/O map in 32-bit mode. */ #define PCN_IO32_APROM00 0x00 #define PCN_IO32_APROM01 0x04 #define PCN_IO32_APROM02 0x08 #define PCN_IO32_APROM03 0x0C #define PCN_IO32_RDP 0x10 #define PCN_IO32_RAP 0x14 #define PCN_IO32_RESET 0x18 #define PCN_IO32_BDP 0x1C /* * CSR registers */ #define PCN_CSR_CSR 0x00 #define PCN_CSR_IAB0 0x01 #define PCN_CSR_IAB1 0x02 #define PCN_CSR_IMR 0x03 #define PCN_CSR_TFEAT 0x04 #define PCN_CSR_EXTCTL1 0x05 #define PCN_CSR_DTBLLEN 0x06 #define PCN_CSR_EXTCTL2 0x07 #define PCN_CSR_MAR0 0x08 #define PCN_CSR_MAR1 0x09 #define PCN_CSR_MAR2 0x0A #define PCN_CSR_MAR3 0x0B #define PCN_CSR_PAR0 0x0C #define PCN_CSR_PAR1 0x0D #define PCN_CSR_PAR2 0x0E #define PCN_CSR_MODE 0x0F #define PCN_CSR_RXADDR0 0x18 #define PCN_CSR_RXADDR1 0x19 #define PCN_CSR_TXADDR0 0x1E #define PCN_CSR_TXADDR1 0x1F #define PCN_CSR_TXPOLL 0x2F #define PCN_CSR_RXPOLL 0x31 #define PCN_CSR_RXRINGLEN 0x4C #define PCN_CSR_TXRINGLEN 0x4E #define PCN_CSR_DMACTL 0x50 #define PCN_CSR_BUSTIMER 0x52 #define PCN_CSR_MEMERRTIMEO 0x64 #define PCN_CSR_ONNOWMISC 0x74 #define PCN_CSR_ADVFEAT 0x7A #define PCN_CSR_MACCFG 0x7D #define PCN_CSR_CHIPID0 0x58 #define PCN_CSR_CHIPID1 0x59 /* * Control and status register (CSR0) */ #define PCN_CSR_INIT 0x0001 #define PCN_CSR_START 0x0002 #define PCN_CSR_STOP 0x0004 #define PCN_CSR_TX 0x0008 #define PCN_CSR_TXON 0x0010 #define PCN_CSR_RXON 0x0020 #define PCN_CSR_INTEN 0x0040 #define PCN_CSR_INTR 0x0080 #define PCN_CSR_IDONE 0x0100 #define PCN_CSR_TINT 0x0200 #define PCN_CSR_RINT 0x0400 #define PCN_CSR_MERR 0x0800 #define PCN_CSR_MISS 0x1000 #define PCN_CSR_CERR 0x2000 #define PCN_CSR_ERR 0x8000 /* * Interrupt masks and deferral control (CSR3) */ #define PCN_IMR_BSWAP 0x0004 #define PCN_IMR_ENMBA 0x0008 /* enable modified backoff alg */ #define PCN_IMR_DXMT2PD 0x0010 #define PCN_IMR_LAPPEN 0x0020 /* lookahead packet processing enb */ #define PCN_IMR_DXSUFLO 0x0040 /* disable TX stop on underflow */ #define PCN_IMR_IDONE 0x0100 #define PCN_IMR_TINT 0x0200 #define PCN_IMR_RINT 0x0400 #define PCN_IMR_MERR 0x0800 #define PCN_IMR_MISS 0x1000 /* * Test and features control (CSR4) */ #define PCN_TFEAT_TXSTRTMASK 0x0004 #define PCN_TFEAT_TXSTRT 0x0008 #define PCN_TFEAT_RXCCOFLOWM 0x0010 /* Rx collision counter oflow */ #define PCN_TFEAT_RXCCOFLOW 0x0020 #define PCN_TFEAT_UINT 0x0040 #define PCN_TFEAT_UINTREQ 0x0080 #define PCN_TFEAT_MISSOFLOWM 0x0100 #define PCN_TFEAT_MISSOFLOW 0x0200 #define PCN_TFEAT_STRIP_FCS 0x0400 #define PCN_TFEAT_PAD_TX 0x0800 #define PCN_TFEAT_TXDPOLL 0x1000 #define PCN_TFEAT_DMAPLUS 0x4000 /* * Extended control and interrupt 1 (CSR5) */ #define PCN_EXTCTL1_SPND 0x0001 /* suspend */ #define PCN_EXTCTL1_MPMODE 0x0002 /* magic packet mode */ #define PCN_EXTCTL1_MPENB 0x0004 /* magic packet enable */ #define PCN_EXTCTL1_MPINTEN 0x0008 /* magic packet interrupt enable */ #define PCN_EXTCTL1_MPINT 0x0010 /* magic packet interrupt */ #define PCN_EXTCTL1_MPPLBA 0x0020 /* magic packet phys. logical bcast */ #define PCN_EXTCTL1_EXDEFEN 0x0040 /* excessive deferral interrupt enb. */ #define PCN_EXTCTL1_EXDEF 0x0080 /* excessive deferral interrupt */ #define PCN_EXTCTL1_SINTEN 0x0400 /* system interrupt enable */ #define PCN_EXTCTL1_SINT 0x0800 /* system interrupt */ #define PCN_EXTCTL1_LTINTEN 0x4000 /* last TX interrupt enb */ #define PCN_EXTCTL1_TXOKINTD 0x8000 /* TX OK interrupt disable */ /* * RX/TX descriptor len (CSR6) */ #define PCN_DTBLLEN_RLEN 0x0F00 #define PCN_DTBLLEN_TLEN 0xF000 /* * Extended control and interrupt 2 (CSR7) */ #define PCN_EXTCTL2_MIIPDTINTE 0x0001 #define PCN_EXTCTL2_MIIPDTINT 0x0002 #define PCN_EXTCTL2_MCCIINTE 0x0004 #define PCN_EXTCTL2_MCCIINT 0x0008 #define PCN_EXTCTL2_MCCINTE 0x0010 #define PCN_EXTCTL2_MCCINT 0x0020 #define PCN_EXTCTL2_MAPINTE 0x0040 #define PCN_EXTCTL2_MAPINT 0x0080 #define PCN_EXTCTL2_MREINTE 0x0100 #define PCN_EXTCTL2_MREINT 0x0200 #define PCN_EXTCTL2_STINTE 0x0400 #define PCN_EXTCTL2_STINT 0x0800 #define PCN_EXTCTL2_RXDPOLL 0x1000 #define PCN_EXTCTL2_RDMD 0x2000 #define PCN_EXTCTL2_RXFRTG 0x4000 #define PCN_EXTCTL2_FASTSPNDE 0x8000 /* * Mode (CSR15) */ #define PCN_MODE_RXD 0x0001 /* RX disable */ #define PCN_MODE_TXD 0x0002 /* TX disable */ #define PCN_MODE_LOOP 0x0004 /* loopback enable */ #define PCN_MODE_TXCRCD 0x0008 #define PCN_MODE_FORCECOLL 0x0010 #define PCN_MODE_RETRYD 0x0020 #define PCN_MODE_INTLOOP 0x0040 #define PCN_MODE_PORTSEL 0x0180 #define PCN_MODE_RXVPAD 0x2000 #define PCN_MODE_RXNOBROAD 0x4000 #define PCN_MODE_PROMISC 0x8000 /* Settings for PCN_MODE_PORTSEL when ASEL (BCR2[1]) is 0 */ #define PCN_PORT_AUI 0x0000 #define PCN_PORT_10BASET 0x0080 #define PCN_PORT_GPSI 0x0100 #define PCN_PORT_MII 0x0180 /* * Chip ID values. */ /* CSR88-89: Chip ID masks */ #define AMD_MASK 0x003 #define PART_MASK 0xffff #define Am79C971 0x2623 #define Am79C972 0x2624 #define Am79C973 0x2625 #define Am79C978 0x2626 #define Am79C975 0x2627 #define Am79C976 0x2628 /* * Advanced feature control (CSR122) */ #define PCN_AFC_RXALIGN 0x0001 /* * BCR (bus control) registers */ #define PCN_BCR_MMRA 0x00 /* Master Mode Read Active */ #define PCN_BCR_MMW 0x01 /* Master Mode Write Active */ #define PCN_BCR_MISCCFG 0x02 #define PCN_BCR_LED0 0x04 #define PCN_BCR_LED1 0x05 #define PCN_BCR_LED2 0x06 #define PCN_BCR_LED3 0x07 #define PCN_BCR_DUPLEX 0x09 #define PCN_BCR_BUSCTL 0x12 #define PCN_BCR_EECTL 0x13 #define PCN_BCR_SSTYLE 0x14 #define PCN_BCR_PCILAT 0x16 #define PCN_BCR_PCISUBVENID 0x17 #define PCN_BCR_PCISUBSYSID 0x18 #define PCN_BCR_SRAMSIZE 0x19 #define PCN_BCR_SRAMBOUND 0x1A #define PCN_BCR_SRAMCTL 0x1B #define PCN_BCR_MIICTL 0x20 #define PCN_BCR_MIIADDR 0x21 #define PCN_BCR_MIIDATA 0x22 #define PCN_BCR_PCIVENID 0x23 #define PCN_BCR_PCIPCAP 0x24 #define PCN_BCR_DATA0 0x25 #define PCN_BCR_DATA1 0x26 #define PCN_BCR_DATA2 0x27 #define PCN_BCR_DATA3 0x28 #define PCN_BCR_DATA4 0x29 #define PCN_BCR_DATA5 0x2A #define PCN_BCR_DATA6 0x2B #define PCN_BCR_DATA7 0x2C #define PCN_BCR_ONNOWPAT0 0x2D #define PCN_BCR_ONNOWPAT1 0x2E #define PCN_BCR_ONNOWPAT2 0x2F #define PCN_BCR_PHYSEL 0x31 /* * Miscellaneous Configuration (BCR2) */ #define PCN_MISC_TMAULOOP 1<<14 /* T-MAU Loopback packet enable. */ #define PCN_MISC_LEDPE 1<<12 /* LED Program Enable */ #define PCN_MISC_APROMWE 1<<8 /* Address PROM Write Enable */ #define PCN_MISC_INTLEVEL 1<<7 /* Interrupt level */ #define PCN_MISC_EADISEL 1<<3 /* EADI Select */ #define PCN_MISC_AWAKE 1<<2 /* Power saving mode select */ #define PCN_MISC_ASEL 1<<1 /* Auto Select */ #define PCN_MISC_XMAUSEL 1<<0 /* Reserved. */ /* * Full duplex control (BCR9) */ #define PCN_DUPLEX_FDEN 0x0001 /* Full-duplex enable */ #define PCN_DUPLEX_AUI 0x0002 /* AUI full-duplex */ #define PCN_DUPLEX_FDRPAD 0x0004 /* Full-duplex runt pkt accept dis. */ /* * Burst and bus control register (BCR18) */ #define PCN_BUSCTL_BWRITE 0x0020 #define PCN_BUSCTL_BREAD 0x0040 #define PCN_BUSCTL_DWIO 0x0080 #define PCN_BUSCTL_EXTREQ 0x0100 #define PCN_BUSCTL_MEMCMD 0x0200 #define PCN_BUSCTL_NOUFLOW 0x0800 #define PCN_BUSCTL_ROMTMG 0xF000 /* * EEPROM control (BCR19) */ #define PCN_EECTL_EDATA 0x0001 #define PCN_EECTL_ECLK 0x0002 #define PCN_EECTL_EECS 0x0004 #define PCN_EECTL_EEN 0x0100 #define PCN_EECTL_EEDET 0x2000 #define PCN_EECTL_PREAD 0x4000 #define PCN_EECTL_PVALID 0x8000 /* * Software style (BCR20) */ #define PCN_SSTYLE_APERREN 0x0400 /* advanced parity error checking */ #define PCN_SSTYLE_SSIZE32 0x0100 #define PCN_SSTYLE_SWSTYLE 0x00FF #define PCN_SWSTYLE_LANCE 0x0000 #define PCN_SWSTYLE_PCNETPCI 0x0102 #define PCN_SWSTYLE_PCNETPCI_BURST 0x0103 /* * MII control and status (BCR32) */ #define PCN_MIICTL_MIILP 0x0002 /* MII internal loopback */ #define PCN_MIICTL_XPHYSP 0x0008 /* external PHY speed */ #define PCN_MIICTL_XPHYFD 0x0010 /* external PHY full duplex */ #define PCN_MIICTL_XPHYANE 0x0020 /* external phy auto-neg enable */ #define PCN_MIICTL_XPHYRST 0x0040 /* external PHY reset */ #define PCN_MIICTL_DANAS 0x0080 /* disable auto-neg auto-setup */ #define PCN_MIICTL_APDW 0x0700 /* auto-poll dwell time */ #define PCN_MIICTL_APEP 0x0100 /* auto-poll external PHY */ #define PCN_MIICTL_FMDC 0x3000 /* data clock speed */ #define PCN_MIICTL_MIIPD 0x4000 /* PHY detect */ #define PCN_MIICTL_ANTST 0x8000 /* Manufacturing test */ /* * MII address register (BCR33) */ #define PCN_MIIADDR_REGAD 0x001F #define PCN_MIIADDR_PHYAD 0x03E0 /* addresses of internal PHYs */ #define PCN_PHYAD_100BTX 30 #define PCN_PHYAD_10BT 31 /* * MII data register (BCR34) */ #define PCN_MIIDATA_MIIMD 0xFFFF /* * PHY selection (BCR49) (HomePNA NIC only) */ #define PCN_PHYSEL_PHYSEL 0x0003 #define PCN_PHYSEL_DEFAULT 0x0300 #define PCN_PHYSEL_PCNET 0x8000 #define PCN_PHY_10BT 0x0000 #define PCN_PHY_HOMEPNA 0x0001 #define PCN_PHY_EXTERNAL 0x0002 struct pcn_rx_desc { volatile u_int16_t pcn_rxlen; volatile u_int16_t pcn_rsvd0; u_int16_t pcn_bufsz; volatile u_int16_t pcn_rxstat; u_int32_t pcn_rbaddr; u_int32_t pcn_uspace; }; #define PCN_RXSTAT_BPE 0x0080 /* bus parity error */ #define PCN_RXSTAT_ENP 0x0100 /* end of packet */ #define PCN_RXSTAT_STP 0x0200 /* start of packet */ #define PCN_RXSTAT_BUFF 0x0400 /* buffer error */ #define PCN_RXSTAT_CRC 0x0800 /* CRC error */ #define PCN_RXSTAT_OFLOW 0x1000 /* rx overrun */ #define PCN_RXSTAT_FRAM 0x2000 /* framing error */ #define PCN_RXSTAT_ERR 0x4000 /* error summary */ #define PCN_RXSTAT_OWN 0x8000 #define PCN_RXLEN_MBO 0xF000 #define PCN_RXLEN_BUFSZ 0x0FFF #define PCN_OWN_RXDESC(x) ((le16toh((x)->pcn_rxstat) & PCN_RXSTAT_OWN) == 0) struct pcn_tx_desc { volatile u_int32_t pcn_txstat; volatile u_int32_t pcn_txctl; u_int32_t pcn_tbaddr; u_int32_t pcn_uspace; }; #define PCN_TXSTAT_TRC 0x0000000F /* transmit retries */ #define PCN_TXSTAT_RTRY 0x04000000 /* retry */ #define PCN_TXSTAT_LCAR 0x08000000 /* lost carrier */ #define PCN_TXSTAT_LCOL 0x10000000 /* late collision */ #define PCN_TXSTAT_EXDEF 0x20000000 /* excessive deferrals */ #define PCN_TXSTAT_UFLOW 0x40000000 /* transmit underrun */ #define PCN_TXSTAT_BUFF 0x80000000 /* buffer error */ #define PCN_TXCTL_OWN 0x80000000 #define PCN_TXCTL_ERR 0x40000000 /* error summary */ #define PCN_TXCTL_ADD_FCS 0x20000000 /* add FCS to pkt */ #define PCN_TXCTL_MORE_LTINT 0x10000000 #define PCN_TXCTL_ONE 0x08000000 #define PCN_TXCTL_DEF 0x04000000 #define PCN_TXCTL_STP 0x02000000 #define PCN_TXCTL_ENP 0x01000000 #define PCN_TXCTL_BPE 0x00800000 #define PCN_TXCTL_MBO 0x0000F000 #define PCN_TXCTL_BUFSZ 0x00000FFF #define PCN_OWN_TXDESC(x) ((le32toh((x)->pcn_txctl) & PCN_TXCTL_OWN) == 0) #define PCN_RX_LIST_CNT 64 #define PCN_TX_LIST_CNT 256 struct pcn_list_data { struct pcn_rx_desc pcn_rx_list[PCN_RX_LIST_CNT]; struct pcn_tx_desc pcn_tx_list[PCN_TX_LIST_CNT]; }; struct pcn_ring_data { struct mbuf *pcn_rx_chain[PCN_RX_LIST_CNT]; struct mbuf *pcn_tx_chain[PCN_TX_LIST_CNT]; int pcn_rx_prod; int pcn_tx_prod; int pcn_tx_cons; int pcn_tx_cnt; }; /* * AMD PCI vendor ID. */ #define PCN_VENDORID 0x1022 /* * AMD PCnet/PCI device IDs */ #define PCN_DEVICEID_PCNET 0x2000 #define PCN_DEVICEID_HOME 0x2001 struct pcn_type { u_int16_t pcn_vid; u_int16_t pcn_did; const char *pcn_name; }; struct pcn_softc { struct ifnet *pcn_ifp; bus_space_handle_t pcn_bhandle; bus_space_tag_t pcn_btag; struct resource *pcn_res; struct resource *pcn_irq; void *pcn_intrhand; device_t pcn_miibus; u_int8_t pcn_link; int8_t pcn_extphyaddr; int8_t pcn_inst_10bt; int pcn_if_flags; int pcn_type; struct pcn_list_data *pcn_ldata; struct pcn_ring_data pcn_cdata; struct callout pcn_stat_callout; struct mtx pcn_mtx; }; #define PCN_LOCK(_sc) mtx_lock(&(_sc)->pcn_mtx) #define PCN_UNLOCK(_sc) mtx_unlock(&(_sc)->pcn_mtx) #define PCN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->pcn_mtx, MA_OWNED) #ifdef USE_EXPLICIT_BUSTAGS #ifdef PCN_USEIOSPACE #define PCN_BTAG(sc) bus_space_io #else #define PCN_BTAG(sc) bus_space_mem #endif #else #define PCN_BTAG(sc) (sc)->pcn_btag #endif /* * register space access macros */ #define CSR_WRITE_4(sc, reg, val) \ bus_space_write_4(PCN_BTAG(sc), sc->pcn_bhandle, reg, val) #define CSR_READ_4(sc, reg) \ bus_space_read_4(PCN_BTAG(sc), sc->pcn_bhandle, reg) #define CSR_WRITE_2(sc, reg, val) \ bus_space_write_2(PCN_BTAG(sc), sc->pcn_bhandle, reg, val) #define CSR_READ_2(sc, reg) \ bus_space_read_2(PCN_BTAG(sc), sc->pcn_bhandle, reg) #define PCN_TIMEOUT 1000 #define ETHER_ALIGN 2 #define PCN_RXLEN 1536 #define PCN_MIN_FRAMELEN 60 #define PCN_INC(x, y) (x) = (x + 1) % y /* * PCI low memory base and low I/O base register, and * other PCI registers. */ #define PCN_PCI_VENDOR_ID 0x00 #define PCN_PCI_DEVICE_ID 0x02 #define PCN_PCI_COMMAND 0x04 #define PCN_PCI_STATUS 0x06 #define PCN_PCI_REVID 0x08 #define PCN_PCI_CLASSCODE 0x09 #define PCN_PCI_CACHELEN 0x0C #define PCN_PCI_LATENCY_TIMER 0x0D #define PCN_PCI_HEADER_TYPE 0x0E #define PCN_PCI_LOIO 0x10 #define PCN_PCI_LOMEM 0x14 #define PCN_PCI_BIOSROM 0x30 #define PCN_PCI_INTLINE 0x3C #define PCN_PCI_INTPIN 0x3D #define PCN_PCI_MINGNT 0x3E #define PCN_PCI_MINLAT 0x3F #define PCN_PCI_RESETOPT 0x48 #define PCN_PCI_EEPROM_DATA 0x4C /* power management registers */ #define PCN_PCI_CAPID 0x50 /* 8 bits */ #define PCN_PCI_NEXTPTR 0x51 /* 8 bits */ #define PCN_PCI_PWRMGMTCAP 0x52 /* 16 bits */ #define PCN_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ #define PCN_PSTATE_MASK 0x0003 #define PCN_PSTATE_D0 0x0000 #define PCN_PSTATE_D1 0x0001 #define PCN_PSTATE_D2 0x0002 #define PCN_PSTATE_D3 0x0003 #define PCN_PME_EN 0x0010 #define PCN_PME_STATUS 0x8000