diff options
Diffstat (limited to 'gpxe/src/drivers/net/ns8390.c')
| -rw-r--r-- | gpxe/src/drivers/net/ns8390.c | 1037 |
1 files changed, 0 insertions, 1037 deletions
diff --git a/gpxe/src/drivers/net/ns8390.c b/gpxe/src/drivers/net/ns8390.c deleted file mode 100644 index 97f1141f..00000000 --- a/gpxe/src/drivers/net/ns8390.c +++ /dev/null @@ -1,1037 +0,0 @@ -/************************************************************************** -ETHERBOOT - BOOTP/TFTP Bootstrap Program - -Author: Martin Renters - Date: May/94 - - This code is based heavily on David Greenman's if_ed.c driver - - Copyright (C) 1993-1994, David Greenman, Martin Renters. - This software may be used, modified, copied, distributed, and sold, in - both source and binary form provided that the above copyright and these - terms are retained. Under no circumstances are the authors responsible for - the proper functioning of this software, nor do the authors assume any - responsibility for damages incurred with its use. - -Multicast support added by Timothy Legge (timlegge@users.sourceforge.net) 09/28/2003 -Relocation support added by Ken Yap (ken_yap@users.sourceforge.net) 28/12/02 -3c503 support added by Bill Paul (wpaul@ctr.columbia.edu) on 11/15/94 -SMC8416 support added by Bill Paul (wpaul@ctr.columbia.edu) on 12/25/94 -3c503 PIO support added by Jim Hague (jim.hague@acm.org) on 2/17/98 -RX overrun by Klaus Espenlaub (espenlaub@informatik.uni-ulm.de) on 3/10/99 - parts taken from the Linux 8390 driver (by Donald Becker and Paul Gortmaker) -SMC8416 PIO support added by Andrew Bettison (andrewb@zip.com.au) on 4/3/02 - based on the Linux 8390 driver (by Donald Becker and Paul Gortmaker) - -**************************************************************************/ - -FILE_LICENCE ( BSD2 ); - -/* #warning "ns8390.c: FIXME: split ISA and PCI, clean up" */ - -#if 1 - -#if !defined(INCLUDE_NS8390) && !defined(INCLUDE_WD) && \ - !defined(INCLUDE_NE) && !defined(INCLUDE_3C503) - /* The driver named ns8390 is the PCI driver, often called - "PCI ne2000 clones". */ -# define INCLUDE_NS8390 1 -#endif - -#include "etherboot.h" -#include "nic.h" -#include "ns8390.h" -#include <gpxe/ethernet.h> -#ifdef INCLUDE_NS8390 -#include <gpxe/pci.h> -#else -#include <gpxe/isa.h> -#endif - -static unsigned char eth_vendor, eth_flags; -#ifdef INCLUDE_WD -static unsigned char eth_laar; -#endif -static unsigned short eth_nic_base, eth_asic_base; -static unsigned char eth_memsize, eth_rx_start, eth_tx_start; -static Address eth_bmem, eth_rmem; -static unsigned char eth_drain_receiver; - -#ifdef INCLUDE_WD -static struct wd_board { - const char *name; - char id; - char flags; - char memsize; -} wd_boards[] = { - {"WD8003S", TYPE_WD8003S, 0, MEM_8192}, - {"WD8003E", TYPE_WD8003E, 0, MEM_8192}, - {"WD8013EBT", TYPE_WD8013EBT, FLAG_16BIT, MEM_16384}, - {"WD8003W", TYPE_WD8003W, 0, MEM_8192}, - {"WD8003EB", TYPE_WD8003EB, 0, MEM_8192}, - {"WD8013W", TYPE_WD8013W, FLAG_16BIT, MEM_16384}, - {"WD8003EP/WD8013EP", - TYPE_WD8013EP, 0, MEM_8192}, - {"WD8013WC", TYPE_WD8013WC, FLAG_16BIT, MEM_16384}, - {"WD8013EPC", TYPE_WD8013EPC, FLAG_16BIT, MEM_16384}, - {"SMC8216T", TYPE_SMC8216T, FLAG_16BIT | FLAG_790, MEM_16384}, - {"SMC8216C", TYPE_SMC8216C, FLAG_16BIT | FLAG_790, MEM_16384}, - {"SMC8416T", TYPE_SMC8416T, FLAG_16BIT | FLAG_790, MEM_8192}, - {"SMC8416C/BT", TYPE_SMC8416C, FLAG_16BIT | FLAG_790, MEM_8192}, - {"SMC8013EBP", TYPE_SMC8013EBP,FLAG_16BIT, MEM_16384}, - {NULL, 0, 0, 0} -}; -#endif - -#ifdef INCLUDE_3C503 -static unsigned char t503_output; /* AUI or internal xcvr (Thinnet) */ -#endif - -#if defined(INCLUDE_WD) -#define ASIC_PIO WD_IAR -#define eth_probe wd_probe -#if defined(INCLUDE_3C503) || defined(INCLUDE_NE) || defined(INCLUDE_NS8390) -Error you must only define one of INCLUDE_WD, INCLUDE_3C503, INCLUDE_NE, INCLUDE_NS8390 -#endif -#endif - -#if defined(INCLUDE_3C503) -#define eth_probe t503_probe -#if defined(INCLUDE_NE) || defined(INCLUDE_NS8390) || defined(INCLUDE_WD) -Error you must only define one of INCLUDE_WD, INCLUDE_3C503, INCLUDE_NE, INCLUDE_NS8390 -#endif -#endif - -#if defined(INCLUDE_NE) -#define eth_probe ne_probe -#if defined(INCLUDE_NS8390) || defined(INCLUDE_3C503) || defined(INCLUDE_WD) -Error you must only define one of INCLUDE_WD, INCLUDE_3C503, INCLUDE_NE, INCLUDE_NS8390 -#endif -#endif - -#if defined(INCLUDE_NS8390) -#define eth_probe nepci_probe -#if defined(INCLUDE_NE) || defined(INCLUDE_3C503) || defined(INCLUDE_WD) -Error you must only define one of INCLUDE_WD, INCLUDE_3C503, INCLUDE_NE, INCLUDE_NS8390 -#endif -#endif - -#if defined(INCLUDE_3C503) -#define ASIC_PIO _3COM_RFMSB -#else -#if defined(INCLUDE_NE) || defined(INCLUDE_NS8390) -#define ASIC_PIO NE_DATA -#endif -#endif - -#if defined(INCLUDE_NE) || defined(INCLUDE_NS8390) || (defined(INCLUDE_3C503) && !defined(T503_SHMEM)) || (defined(INCLUDE_WD) && defined(WD_790_PIO)) -/************************************************************************** -ETH_PIO_READ - Read a frame via Programmed I/O -**************************************************************************/ -static void eth_pio_read(unsigned int src, unsigned char *dst, unsigned int cnt) -{ -#ifdef INCLUDE_WD - outb(src & 0xff, eth_asic_base + WD_GP2); - outb(src >> 8, eth_asic_base + WD_GP2); -#else - outb(D8390_COMMAND_RD2 | - D8390_COMMAND_STA, eth_nic_base + D8390_P0_COMMAND); - outb(cnt, eth_nic_base + D8390_P0_RBCR0); - outb(cnt>>8, eth_nic_base + D8390_P0_RBCR1); - outb(src, eth_nic_base + D8390_P0_RSAR0); - outb(src>>8, eth_nic_base + D8390_P0_RSAR1); - outb(D8390_COMMAND_RD0 | - D8390_COMMAND_STA, eth_nic_base + D8390_P0_COMMAND); - -#ifdef INCLUDE_3C503 - outb(src & 0xff, eth_asic_base + _3COM_DALSB); - outb(src >> 8, eth_asic_base + _3COM_DAMSB); - outb(t503_output | _3COM_CR_START, eth_asic_base + _3COM_CR); -#endif -#endif - - if (eth_flags & FLAG_16BIT) - cnt = (cnt + 1) >> 1; - - while(cnt--) { -#ifdef INCLUDE_3C503 - while((inb(eth_asic_base + _3COM_STREG) & _3COM_STREG_DPRDY) == 0) - ; -#endif - - if (eth_flags & FLAG_16BIT) { - *((unsigned short *)dst) = inw(eth_asic_base + ASIC_PIO); - dst += 2; - } - else - *(dst++) = inb(eth_asic_base + ASIC_PIO); - } - -#ifdef INCLUDE_3C503 - outb(t503_output, eth_asic_base + _3COM_CR); -#endif -} - -/************************************************************************** -ETH_PIO_WRITE - Write a frame via Programmed I/O -**************************************************************************/ -static void eth_pio_write(const unsigned char *src, unsigned int dst, unsigned int cnt) -{ -#ifdef COMPEX_RL2000_FIX - unsigned int x; -#endif /* COMPEX_RL2000_FIX */ -#ifdef INCLUDE_WD - outb(dst & 0xff, eth_asic_base + WD_GP2); - outb(dst >> 8, eth_asic_base + WD_GP2); -#else - outb(D8390_COMMAND_RD2 | - D8390_COMMAND_STA, eth_nic_base + D8390_P0_COMMAND); - outb(D8390_ISR_RDC, eth_nic_base + D8390_P0_ISR); - outb(cnt, eth_nic_base + D8390_P0_RBCR0); - outb(cnt>>8, eth_nic_base + D8390_P0_RBCR1); - outb(dst, eth_nic_base + D8390_P0_RSAR0); - outb(dst>>8, eth_nic_base + D8390_P0_RSAR1); - outb(D8390_COMMAND_RD1 | - D8390_COMMAND_STA, eth_nic_base + D8390_P0_COMMAND); - -#ifdef INCLUDE_3C503 - outb(dst & 0xff, eth_asic_base + _3COM_DALSB); - outb(dst >> 8, eth_asic_base + _3COM_DAMSB); - - outb(t503_output | _3COM_CR_DDIR | _3COM_CR_START, eth_asic_base + _3COM_CR); -#endif -#endif - - if (eth_flags & FLAG_16BIT) - cnt = (cnt + 1) >> 1; - - while(cnt--) - { -#ifdef INCLUDE_3C503 - while((inb(eth_asic_base + _3COM_STREG) & _3COM_STREG_DPRDY) == 0) - ; -#endif - - if (eth_flags & FLAG_16BIT) { - outw(*((unsigned short *)src), eth_asic_base + ASIC_PIO); - src += 2; - } - else - outb(*(src++), eth_asic_base + ASIC_PIO); - } - -#ifdef INCLUDE_3C503 - outb(t503_output, eth_asic_base + _3COM_CR); -#else -#ifdef COMPEX_RL2000_FIX - for (x = 0; - x < COMPEX_RL2000_TRIES && - (inb(eth_nic_base + D8390_P0_ISR) & D8390_ISR_RDC) - != D8390_ISR_RDC; - ++x); - if (x >= COMPEX_RL2000_TRIES) - printf("Warning: Compex RL2000 aborted wait!\n"); -#endif /* COMPEX_RL2000_FIX */ -#ifndef INCLUDE_WD - while((inb(eth_nic_base + D8390_P0_ISR) & D8390_ISR_RDC) - != D8390_ISR_RDC); -#endif -#endif -} -#else -/************************************************************************** -ETH_PIO_READ - Dummy routine when NE2000 not compiled in -**************************************************************************/ -static void eth_pio_read(unsigned int src __unused, unsigned char *dst __unused, unsigned int cnt __unused) {} -#endif - - -/************************************************************************** -enable_multycast - Enable Multicast -**************************************************************************/ -static void enable_multicast(unsigned short eth_nic_base) -{ - unsigned char mcfilter[8]; - int i; - memset(mcfilter, 0xFF, 8); - outb(4, eth_nic_base+D8390_P0_RCR); - outb(D8390_COMMAND_RD2 + D8390_COMMAND_PS1, eth_nic_base + D8390_P0_COMMAND); - for(i=0;i<8;i++) - { - outb(mcfilter[i], eth_nic_base + 8 + i); - if(inb(eth_nic_base + 8 + i)!=mcfilter[i]) - printf("Error SMC 83C690 Multicast filter read/write mishap %d\n",i); - } - outb(D8390_COMMAND_RD2 + D8390_COMMAND_PS0, eth_nic_base + D8390_P0_COMMAND); - outb(4 | 0x08, eth_nic_base+D8390_P0_RCR); -} - -/************************************************************************** -NS8390_RESET - Reset adapter -**************************************************************************/ -static void ns8390_reset(struct nic *nic) -{ - int i; - - eth_drain_receiver = 0; -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | D8390_COMMAND_RD2 | - D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - if (eth_flags & FLAG_16BIT) - outb(0x49, eth_nic_base+D8390_P0_DCR); - else - outb(0x48, eth_nic_base+D8390_P0_DCR); - outb(0, eth_nic_base+D8390_P0_RBCR0); - outb(0, eth_nic_base+D8390_P0_RBCR1); - outb(0x20, eth_nic_base+D8390_P0_RCR); /* monitor mode */ - outb(2, eth_nic_base+D8390_P0_TCR); - outb(eth_tx_start, eth_nic_base+D8390_P0_TPSR); - outb(eth_rx_start, eth_nic_base+D8390_P0_PSTART); -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) { -#ifdef WD_790_PIO - outb(0x10, eth_asic_base + 0x06); /* disable interrupts, enable PIO */ - outb(0x01, eth_nic_base + 0x09); /* enable ring read auto-wrap */ -#else - outb(0, eth_nic_base + 0x09); -#endif - } -#endif - outb(eth_memsize, eth_nic_base+D8390_P0_PSTOP); - outb(eth_memsize - 1, eth_nic_base+D8390_P0_BOUND); - outb(0xFF, eth_nic_base+D8390_P0_ISR); - outb(0, eth_nic_base+D8390_P0_IMR); -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS1 | - D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS1 | - D8390_COMMAND_RD2 | D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - for (i=0; i<ETH_ALEN; i++) - outb(nic->node_addr[i], eth_nic_base+D8390_P1_PAR0+i); - for (i=0; i<ETH_ALEN; i++) - outb(0xFF, eth_nic_base+D8390_P1_MAR0+i); - outb(eth_rx_start, eth_nic_base+D8390_P1_CURR); -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_RD2 | D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - outb(0xFF, eth_nic_base+D8390_P0_ISR); - outb(0, eth_nic_base+D8390_P0_TCR); /* transmitter on */ - outb(4, eth_nic_base+D8390_P0_RCR); /* allow rx broadcast frames */ - - enable_multicast(eth_nic_base); - -#ifdef INCLUDE_3C503 - /* - * No way to tell whether or not we're supposed to use - * the 3Com's transceiver unless the user tells us. - * 'flags' should have some compile time default value - * which can be changed from the command menu. - */ - t503_output = (nic->flags) ? 0 : _3COM_CR_XSEL; - outb(t503_output, eth_asic_base + _3COM_CR); -#endif -} - -static int ns8390_poll(struct nic *nic, int retrieve); - -#ifndef INCLUDE_3C503 -/************************************************************************** -ETH_RX_OVERRUN - Bring adapter back to work after an RX overrun -**************************************************************************/ -static void eth_rx_overrun(struct nic *nic) -{ - int start_time; - -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | D8390_COMMAND_RD2 | - D8390_COMMAND_STP, eth_nic_base+D8390_P0_COMMAND); - - /* wait for at least 1.6ms - we wait one timer tick */ - start_time = currticks(); - while (currticks() - start_time <= 1) - /* Nothing */; - - outb(0, eth_nic_base+D8390_P0_RBCR0); /* reset byte counter */ - outb(0, eth_nic_base+D8390_P0_RBCR1); - - /* - * Linux driver checks for interrupted TX here. This is not necessary, - * because the transmit routine waits until the frame is sent. - */ - - /* enter loopback mode and restart NIC */ - outb(2, eth_nic_base+D8390_P0_TCR); -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | D8390_COMMAND_RD2 | - D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - - /* clear the RX ring, acknowledge overrun interrupt */ - eth_drain_receiver = 1; - while (ns8390_poll(nic, 1)) - /* Nothing */; - eth_drain_receiver = 0; - outb(D8390_ISR_OVW, eth_nic_base+D8390_P0_ISR); - - /* leave loopback mode - no packets to be resent (see Linux driver) */ - outb(0, eth_nic_base+D8390_P0_TCR); -} -#endif /* INCLUDE_3C503 */ - -/************************************************************************** -NS8390_TRANSMIT - Transmit a frame -**************************************************************************/ -static void ns8390_transmit( - struct nic *nic, - const char *d, /* Destination */ - unsigned int t, /* Type */ - unsigned int s, /* size */ - const char *p) /* Packet */ -{ -#if defined(INCLUDE_3C503) || (defined(INCLUDE_WD) && ! defined(WD_790_PIO)) - Address eth_vmem = bus_to_virt(eth_bmem); -#endif -#ifdef INCLUDE_3C503 - if (!(eth_flags & FLAG_PIO)) { - memcpy((char *)eth_vmem, d, ETH_ALEN); /* dst */ - memcpy((char *)eth_vmem+ETH_ALEN, nic->node_addr, ETH_ALEN); /* src */ - *((char *)eth_vmem+12) = t>>8; /* type */ - *((char *)eth_vmem+13) = t; - memcpy((char *)eth_vmem+ETH_HLEN, p, s); - s += ETH_HLEN; - while (s < ETH_ZLEN) *((char *)eth_vmem+(s++)) = 0; - } -#endif - -#ifdef INCLUDE_WD - if (eth_flags & FLAG_16BIT) { - outb(eth_laar | WD_LAAR_M16EN, eth_asic_base + WD_LAAR); - inb(0x84); - } -#ifndef WD_790_PIO - /* Memory interface */ - if (eth_flags & FLAG_790) { - outb(WD_MSR_MENB, eth_asic_base + WD_MSR); - inb(0x84); - } - inb(0x84); - memcpy((char *)eth_vmem, d, ETH_ALEN); /* dst */ - memcpy((char *)eth_vmem+ETH_ALEN, nic->node_addr, ETH_ALEN); /* src */ - *((char *)eth_vmem+12) = t>>8; /* type */ - *((char *)eth_vmem+13) = t; - memcpy((char *)eth_vmem+ETH_HLEN, p, s); - s += ETH_HLEN; - while (s < ETH_ZLEN) *((char *)eth_vmem+(s++)) = 0; - if (eth_flags & FLAG_790) { - outb(0, eth_asic_base + WD_MSR); - inb(0x84); - } -#else - inb(0x84); -#endif -#endif - -#if defined(INCLUDE_3C503) - if (eth_flags & FLAG_PIO) -#endif -#if defined(INCLUDE_NE) || defined(INCLUDE_NS8390) || (defined(INCLUDE_3C503) && !defined(T503_SHMEM)) || (defined(INCLUDE_WD) && defined(WD_790_PIO)) - { - /* Programmed I/O */ - unsigned short type; - type = (t >> 8) | (t << 8); - eth_pio_write( (unsigned char *) d, eth_tx_start<<8, ETH_ALEN); - eth_pio_write(nic->node_addr, (eth_tx_start<<8)+ETH_ALEN, ETH_ALEN); - /* bcc generates worse code without (const+const) below */ - eth_pio_write((unsigned char *)&type, (eth_tx_start<<8)+(ETH_ALEN+ETH_ALEN), 2); - eth_pio_write( (unsigned char *) p, (eth_tx_start<<8)+ETH_HLEN, s); - s += ETH_HLEN; - if (s < ETH_ZLEN) s = ETH_ZLEN; - } -#endif -#if defined(INCLUDE_3C503) -#endif - -#ifdef INCLUDE_WD - if (eth_flags & FLAG_16BIT) { - outb(eth_laar & ~WD_LAAR_M16EN, eth_asic_base + WD_LAAR); - inb(0x84); - } - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_RD2 | D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - outb(eth_tx_start, eth_nic_base+D8390_P0_TPSR); - outb(s, eth_nic_base+D8390_P0_TBCR0); - outb(s>>8, eth_nic_base+D8390_P0_TBCR1); -#ifdef INCLUDE_WD - if (eth_flags & FLAG_790) - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_TXP | D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); - else -#endif - outb(D8390_COMMAND_PS0 | - D8390_COMMAND_TXP | D8390_COMMAND_RD2 | - D8390_COMMAND_STA, eth_nic_base+D8390_P0_COMMAND); -} - -/************************************************************************** -NS8390_POLL - Wait for a frame -**************************************************************************/ -static int ns8390_poll(struct nic *nic, int retrieve) -{ - int ret = 0; - unsigned char rstat, curr, next; - unsigned short len, frag; - unsigned short pktoff; - unsigned char *p; - struct ringbuffer pkthdr; - -#ifndef INCLUDE_3C503 - /* avoid infinite recursion: see eth_rx_overrun() */ - if (!eth_drain_receiver && (inb(eth_nic_base+D8390_P0_ISR) & D8390_ISR_OVW)) { - eth_rx_overrun(nic); - return(0); - } -#endif /* INCLUDE_3C503 */ - rstat = inb(eth_nic_base+D8390_P0_RSR); - if (!(rstat & D8390_RSTAT_PRX)) return(0); - next = inb(eth_nic_base+D8390_P0_BOUND)+1; - if (next >= eth_memsize) next = eth_rx_start; - outb(D8390_COMMAND_PS1, eth_nic_base+D8390_P0_COMMAND); - curr = inb(eth_nic_base+D8390_P1_CURR); - outb(D8390_COMMAND_PS0, eth_nic_base+D8390_P0_COMMAND); - if (curr >= eth_memsize) curr=eth_rx_start; - if (curr == next) return(0); - - if ( ! retrieve ) return 1; - -#ifdef INCLUDE_WD - if (eth_flags & FLAG_16BIT) { - outb(eth_laar | WD_LAAR_M16EN, eth_asic_base + WD_LAAR); - inb(0x84); - } -#ifndef WD_790_PIO - if (eth_flags & FLAG_790) { - outb(WD_MSR_MENB, eth_asic_base + WD_MSR); - inb(0x84); - } -#endif - inb(0x84); -#endif - pktoff = next << 8; - if (eth_flags & FLAG_PIO) - eth_pio_read(pktoff, (unsigned char *)&pkthdr, 4); - else - memcpy(&pkthdr, bus_to_virt(eth_rmem + pktoff), 4); - pktoff += sizeof(pkthdr); - /* incoming length includes FCS so must sub 4 */ - len = pkthdr.len - 4; - if ((pkthdr.status & D8390_RSTAT_PRX) == 0 || len < ETH_ZLEN - || len > ETH_FRAME_LEN) { - printf("Bogus packet, ignoring\n"); - return (0); - } - else { - p = nic->packet; - nic->packetlen = len; /* available to caller */ - frag = (eth_memsize << 8) - pktoff; - if (len > frag) { /* We have a wrap-around */ - /* read first part */ - if (eth_flags & FLAG_PIO) - eth_pio_read(pktoff, p, frag); - else - memcpy(p, bus_to_virt(eth_rmem + pktoff), frag); - pktoff = eth_rx_start << 8; - p += frag; - len -= frag; - } - /* read second part */ - if (eth_flags & FLAG_PIO) - eth_pio_read(pktoff, p, len); - else - memcpy(p, bus_to_virt(eth_rmem + pktoff), len); - ret = 1; - } -#ifdef INCLUDE_WD -#ifndef WD_790_PIO - if (eth_flags & FLAG_790) { - outb(0, eth_asic_base + WD_MSR); - inb(0x84); - } -#endif - if (eth_flags & FLAG_16BIT) { - outb(eth_laar & ~WD_LAAR_M16EN, eth_asic_base + WD_LAAR); - inb(0x84); - } - inb(0x84); -#endif - next = pkthdr.next; /* frame number of next packet */ - if (next == eth_rx_start) - next = eth_memsize; - outb(next-1, eth_nic_base+D8390_P0_BOUND); - return(ret); -} - -/************************************************************************** -NS8390_DISABLE - Turn off adapter -**************************************************************************/ -static void ns8390_disable ( struct nic *nic ) { - ns8390_reset(nic); -} - -/************************************************************************** -NS8390_IRQ - Enable, Disable, or Force interrupts -**************************************************************************/ -static void ns8390_irq(struct nic *nic __unused, irq_action_t action __unused) -{ - switch ( action ) { - case DISABLE : - break; - case ENABLE : - break; - case FORCE : - break; - } -} - -static struct nic_operations ns8390_operations; -static struct nic_operations ns8390_operations = { - .connect = dummy_connect, - .poll = ns8390_poll, - .transmit = ns8390_transmit, - .irq = ns8390_irq, -}; - -/************************************************************************** -ETH_PROBE - Look for an adapter -**************************************************************************/ -#ifdef INCLUDE_NS8390 -static int eth_probe (struct nic *nic, struct pci_device *pci) -#else -static int eth_probe (struct dev *dev, unsigned short *probe_addrs __unused) -#endif -{ - int i; -#ifdef INCLUDE_NS8390 - unsigned short pci_probe_addrs[] = { pci->ioaddr, 0 }; - unsigned short *probe_addrs = pci_probe_addrs; -#endif - eth_vendor = VENDOR_NONE; - eth_drain_receiver = 0; - - nic->irqno = 0; - -#ifdef INCLUDE_WD -{ - /****************************************************************** - Search for WD/SMC cards - ******************************************************************/ - struct wd_board *brd; - unsigned short chksum; - unsigned char c; - for (eth_asic_base = WD_LOW_BASE; eth_asic_base <= WD_HIGH_BASE; - eth_asic_base += 0x20) { - chksum = 0; - for (i=8; i<16; i++) - chksum += inb(eth_asic_base+i); - /* Extra checks to avoid soundcard */ - if ((chksum & 0xFF) == 0xFF && - inb(eth_asic_base+8) != 0xFF && - inb(eth_asic_base+9) != 0xFF) - break; - } - if (eth_asic_base > WD_HIGH_BASE) - return (0); - /* We've found a board */ - eth_vendor = VENDOR_WD; - eth_nic_base = eth_asic_base + WD_NIC_ADDR; - - nic->ioaddr = eth_nic_base; - - c = inb(eth_asic_base+WD_BID); /* Get board id */ - for (brd = wd_boards; brd->name; brd++) - if (brd->id == c) break; - if (!brd->name) { - printf("Unknown WD/SMC NIC type %hhX\n", c); - return (0); /* Unknown type */ - } - eth_flags = brd->flags; - eth_memsize = brd->memsize; - eth_tx_start = 0; - eth_rx_start = D8390_TXBUF_SIZE; - if ((c == TYPE_WD8013EP) && - (inb(eth_asic_base + WD_ICR) & WD_ICR_16BIT)) { - eth_flags = FLAG_16BIT; - eth_memsize = MEM_16384; - } - if ((c & WD_SOFTCONFIG) && (!(eth_flags & FLAG_790))) { - eth_bmem = (0x80000 | - ((inb(eth_asic_base + WD_MSR) & 0x3F) << 13)); - } else - eth_bmem = WD_DEFAULT_MEM; - if (brd->id == TYPE_SMC8216T || brd->id == TYPE_SMC8216C) { - /* from Linux driver, 8416BT detects as 8216 sometimes */ - unsigned int addr = inb(eth_asic_base + 0xb); - if (((addr >> 4) & 3) == 0) { - brd += 2; - eth_memsize = brd->memsize; - } - } - outb(0x80, eth_asic_base + WD_MSR); /* Reset */ - for (i=0; i<ETH_ALEN; i++) { - nic->node_addr[i] = inb(i+eth_asic_base+WD_LAR); - } - DBG ( "\n%s base %4.4x", brd->name, eth_asic_base ); - if (eth_flags & FLAG_790) { -#ifdef WD_790_PIO - DBG ( ", PIO mode, addr %s\n", eth_ntoa ( nic->node_addr ) ); - eth_bmem = 0; - eth_flags |= FLAG_PIO; /* force PIO mode */ - outb(0, eth_asic_base+WD_MSR); -#else - DBG ( ", Memory %x, MAC Addr %s\n", eth_bmem, eth_ntoa ( nic->node_addr) ); - - outb(WD_MSR_MENB, eth_asic_base+WD_MSR); - outb((inb(eth_asic_base+0x04) | - 0x80), eth_asic_base+0x04); - outb(((unsigned)(eth_bmem >> 13) & 0x0F) | - ((unsigned)(eth_bmem >> 11) & 0x40) | - (inb(eth_asic_base+0x0B) & 0xB0), eth_asic_base+0x0B); - outb((inb(eth_asic_base+0x04) & - ~0x80), eth_asic_base+0x04); -#endif - } else { - - DBG (", Memory %x, MAC Addr %s\n", eth_bmem, eth_ntoa ( nic->node_addr) ); - - outb(((unsigned)(eth_bmem >> 13) & 0x3F) | 0x40, eth_asic_base+WD_MSR); - } - if (eth_flags & FLAG_16BIT) { - if (eth_flags & FLAG_790) { - eth_laar = inb(eth_asic_base + WD_LAAR); - outb(WD_LAAR_M16EN, eth_asic_base + WD_LAAR); - } else { - outb((eth_laar = - WD_LAAR_L16EN | 1), eth_asic_base + WD_LAAR); -/* - The previous line used to be - WD_LAAR_M16EN | WD_LAAR_L16EN | 1)); - jluke@deakin.edu.au reported that removing WD_LAAR_M16EN made - it work for WD8013s. This seems to work for my 8013 boards. I - don't know what is really happening. I wish I had data sheets - or more time to decode the Linux driver. - Ken -*/ - } - inb(0x84); - } -} -#endif -#ifdef INCLUDE_3C503 -#ifdef T503_AUI - nic->flags = 1; /* aui */ -#else - nic->flags = 0; /* no aui */ -#endif - /****************************************************************** - Search for 3Com 3c503 if no WD/SMC cards - ******************************************************************/ - if (eth_vendor == VENDOR_NONE) { - int idx; - int iobase_reg, membase_reg; - static unsigned short base[] = { - 0x300, 0x310, 0x330, 0x350, - 0x250, 0x280, 0x2A0, 0x2E0, 0 }; - - /* Loop through possible addresses checking each one */ - - for (idx = 0; (eth_nic_base = base[idx]) != 0; ++idx) { - - eth_asic_base = eth_nic_base + _3COM_ASIC_OFFSET; -/* - * Note that we use the same settings for both 8 and 16 bit cards: - * both have an 8K bank of memory at page 1 while only the 16 bit - * cards have a bank at page 0. - */ - eth_memsize = MEM_16384; - eth_tx_start = 32; - eth_rx_start = 32 + D8390_TXBUF_SIZE; - - /* Check our base address. iobase and membase should */ - /* both have a maximum of 1 bit set or be 0. */ - - iobase_reg = inb(eth_asic_base + _3COM_BCFR); - membase_reg = inb(eth_asic_base + _3COM_PCFR); - - if ((iobase_reg & (iobase_reg - 1)) || - (membase_reg & (membase_reg - 1))) - continue; /* nope */ - - /* Now get the shared memory address */ - - eth_flags = 0; - - switch (membase_reg) { - case _3COM_PCFR_DC000: - eth_bmem = 0xdc000; - break; - case _3COM_PCFR_D8000: - eth_bmem = 0xd8000; - break; - case _3COM_PCFR_CC000: - eth_bmem = 0xcc000; - break; - case _3COM_PCFR_C8000: - eth_bmem = 0xc8000; - break; - case _3COM_PCFR_PIO: - eth_flags |= FLAG_PIO; - eth_bmem = 0; - break; - default: - continue; /* nope */ - } - break; - } - - if (base[idx] == 0) /* not found */ - return (0); -#ifndef T503_SHMEM - eth_flags |= FLAG_PIO; /* force PIO mode */ - eth_bmem = 0; -#endif - eth_vendor = VENDOR_3COM; - - - /* Need this to make ns8390_poll() happy. */ - - eth_rmem = eth_bmem - 0x2000; - - /* Reset NIC and ASIC */ - - outb(_3COM_CR_RST | _3COM_CR_XSEL, eth_asic_base + _3COM_CR ); - outb(_3COM_CR_XSEL, eth_asic_base + _3COM_CR ); - - /* Get our ethernet address */ - - outb(_3COM_CR_EALO | _3COM_CR_XSEL, eth_asic_base + _3COM_CR); - nic->ioaddr = eth_nic_base; - DBG ( "\n3Com 3c503 base %4.4x, ", eth_nic_base ); - if (eth_flags & FLAG_PIO) - DBG ( "PIO mode" ); - else - DBG ( "memory %4.4x", eth_bmem ); - for (i=0; i<ETH_ALEN; i++) { - nic->node_addr[i] = inb(eth_nic_base+i); - } - DBG ( ", %s, MAC Addr %s\n", nic->flags ? "AUI" : "internal xcvr", - eth_ntoa ( nic->node_addr ) ); - - outb(_3COM_CR_XSEL, eth_asic_base + _3COM_CR); - /* - * Initialize GA configuration register. Set bank and enable shared - * mem. We always use bank 1. Disable interrupts. - */ - outb(_3COM_GACFR_RSEL | - _3COM_GACFR_MBS0 | _3COM_GACFR_TCM | _3COM_GACFR_NIM, eth_asic_base + _3COM_GACFR); - - outb(0xff, eth_asic_base + _3COM_VPTR2); - outb(0xff, eth_asic_base + _3COM_VPTR1); - outb(0x00, eth_asic_base + _3COM_VPTR0); - /* - * Clear memory and verify that it worked (we use only 8K) - */ - - if (!(eth_flags & FLAG_PIO)) { - memset(bus_to_virt(eth_bmem), 0, 0x2000); - for(i = 0; i < 0x2000; ++i) - if (*((char *)(bus_to_virt(eth_bmem+i)))) { - printf ("Failed to clear 3c503 shared mem.\n"); - return (0); - } - } - /* - * Initialize GA page/start/stop registers. - */ - outb(eth_tx_start, eth_asic_base + _3COM_PSTR); - outb(eth_memsize, eth_asic_base + _3COM_PSPR); - } -#endif -#if defined(INCLUDE_NE) || defined(INCLUDE_NS8390) -{ - /****************************************************************** - Search for NE1000/2000 if no WD/SMC or 3com cards - ******************************************************************/ - unsigned char c; - if (eth_vendor == VENDOR_NONE) { - unsigned char romdata[16]; - unsigned char testbuf[32]; - int idx; - static unsigned char test[] = "NE*000 memory"; - static unsigned short base[] = { -#ifdef NE_SCAN - NE_SCAN, -#endif - 0 }; - /* if no addresses supplied, fall back on defaults */ - if (probe_addrs == 0 || probe_addrs[0] == 0) - probe_addrs = base; - eth_bmem = 0; /* No shared memory */ - for (idx = 0; (eth_nic_base = probe_addrs[idx]) != 0; ++idx) { - eth_flags = FLAG_PIO; - eth_asic_base = eth_nic_base + NE_ASIC_OFFSET; - eth_memsize = MEM_16384; - eth_tx_start = 32; - eth_rx_start = 32 + D8390_TXBUF_SIZE; - c = inb(eth_asic_base + NE_RESET); - outb(c, eth_asic_base + NE_RESET); - (void) inb(0x84); - outb(D8390_COMMAND_STP | - D8390_COMMAND_RD2, eth_nic_base + D8390_P0_COMMAND); - outb(D8390_RCR_MON, eth_nic_base + D8390_P0_RCR); - outb(D8390_DCR_FT1 | D8390_DCR_LS, eth_nic_base + D8390_P0_DCR); - outb(MEM_8192, eth_nic_base + D8390_P0_PSTART); - outb(MEM_16384, eth_nic_base + D8390_P0_PSTOP); -#ifdef NS8390_FORCE_16BIT - eth_flags |= FLAG_16BIT; /* force 16-bit mode */ -#endif - - eth_pio_write( (unsigned char *) test, 8192, sizeof(test)); - eth_pio_read(8192, testbuf, sizeof(test)); - if (!memcmp(test, testbuf, sizeof(test))) - break; - eth_flags |= FLAG_16BIT; - eth_memsize = MEM_32768; - eth_tx_start = 64; - eth_rx_start = 64 + D8390_TXBUF_SIZE; - outb(D8390_DCR_WTS | - D8390_DCR_FT1 | D8390_DCR_LS, eth_nic_base + D8390_P0_DCR); - outb(MEM_16384, eth_nic_base + D8390_P0_PSTART); - outb(MEM_32768, eth_nic_base + D8390_P0_PSTOP); - eth_pio_write( (unsigned char *) test, 16384, sizeof(test)); - eth_pio_read(16384, testbuf, sizeof(test)); - if (!memcmp(testbuf, test, sizeof(test))) - break; - } - if (eth_nic_base == 0) - return (0); - if (eth_nic_base > ISA_MAX_ADDR) /* PCI probably */ - eth_flags |= FLAG_16BIT; - eth_vendor = VENDOR_NOVELL; - eth_pio_read(0, romdata, sizeof(romdata)); - for (i=0; i<ETH_ALEN; i++) { - nic->node_addr[i] = romdata[i + ((eth_flags & FLAG_16BIT) ? i : 0)]; - } - nic->ioaddr = eth_nic_base; - DBG ( "\nNE%c000 base %4.4x, MAC Addr %s\n", - (eth_flags & FLAG_16BIT) ? '2' : '1', eth_nic_base, - eth_ntoa ( nic->node_addr ) ); - } -} -#endif - if (eth_vendor == VENDOR_NONE) - return(0); - if (eth_vendor != VENDOR_3COM) - eth_rmem = eth_bmem; - ns8390_reset(nic); - nic->nic_op = &ns8390_operations; - - /* Based on PnP ISA map */ -#ifdef INCLUDE_WD - dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR); - dev->devid.device_id = htons(0x812a); -#endif -#ifdef INCLUDE_3C503 - dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR); - dev->devid.device_id = htons(0x80f3); -#endif -#ifdef INCLUDE_NE - dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR); - dev->devid.device_id = htons(0x80d6); -#endif - return 1; -} - -#ifdef INCLUDE_WD -struct isa_driver wd_driver __isa_driver = { - .type = NIC_DRIVER, - .name = "WD", - .probe = wd_probe, - .ioaddrs = 0, -}; -ISA_ROM("wd","WD8003/8013, SMC8216/8416, SMC 83c790 (EtherEZ)"); -#endif - -#ifdef INCLUDE_3C503 -struct isa_driver t503_driver __isa_driver = { - .type = NIC_DRIVER, - .name = "3C503", - .probe = t503_probe, - .ioaddrs = 0, -}; -ISA_ROM("3c503","3Com503, Etherlink II[/16]"); -#endif - -#ifdef INCLUDE_NE -struct isa_driver ne_driver __isa_driver = { - .type = NIC_DRIVER, - .name = "NE*000", - .probe = ne_probe, - .ioaddrs = 0, -}; -ISA_ROM("ne","NE1000/2000 and clones"); -#endif - -#ifdef INCLUDE_NS8390 -static struct pci_device_id nepci_nics[] = { -/* A few NE2000 PCI clones, list not exhaustive */ -PCI_ROM(0x10ec, 0x8029, "rtl8029", "Realtek 8029", 0), -PCI_ROM(0x1186, 0x0300, "dlink-528", "D-Link DE-528", 0), -PCI_ROM(0x1050, 0x0940, "winbond940", "Winbond NE2000-PCI", 0), /* Winbond 86C940 / 89C940 */ -PCI_ROM(0x1050, 0x5a5a, "winbond940f", "Winbond W89c940F", 0), /* Winbond 89C940F */ -PCI_ROM(0x11f6, 0x1401, "compexrl2000", "Compex ReadyLink 2000", 0), -PCI_ROM(0x8e2e, 0x3000, "ktiet32p2", "KTI ET32P2", 0), -PCI_ROM(0x4a14, 0x5000, "nv5000sc", "NetVin NV5000SC", 0), -PCI_ROM(0x12c3, 0x0058, "holtek80232", "Holtek HT80232", 0), -PCI_ROM(0x12c3, 0x5598, "holtek80229", "Holtek HT80229", 0), -PCI_ROM(0x10bd, 0x0e34, "surecom-ne34", "Surecom NE34", 0), -PCI_ROM(0x1106, 0x0926, "via86c926", "Via 86c926", 0), -}; - -PCI_DRIVER ( nepci_driver, nepci_nics, PCI_NO_CLASS ); - -DRIVER ( "NE2000/PCI", nic_driver, pci_driver, nepci_driver, - nepci_probe, ns8390_disable ); - -#endif /* INCLUDE_NS8390 */ - -#endif - -/* - * Local variables: - * c-basic-offset: 8 - * c-indent-level: 8 - * tab-width: 8 - * End: - */ |