diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/motorola_powerpc/dec21140/dec21140.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/motorola_powerpc/dec21140/dec21140.c | 905 |
1 files changed, 0 insertions, 905 deletions
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/dec21140/dec21140.c b/c/src/lib/libbsp/powerpc/motorola_powerpc/dec21140/dec21140.c deleted file mode 100644 index 00c87c4358..0000000000 --- a/c/src/lib/libbsp/powerpc/motorola_powerpc/dec21140/dec21140.c +++ /dev/null @@ -1,905 +0,0 @@ -/* - * RTEMS driver for TULIP based Ethernet Controller - * - * Copyright (C) 1999 Emmanuel Raguet. raguet@crf.canon.fr - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <bsp.h> -#include <bsp/pci.h> - -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <rtems/error.h> -#include <rtems/rtems_bsdnet.h> - -#include <libcpu/cpu.h> -#include <libcpu/io.h> -#include <libcpu/byteorder.h> - -#include <sys/param.h> -#include <sys/mbuf.h> - -#include <sys/socket.h> -#include <sys/sockio.h> -#include <net/if.h> -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include <bsp/irq.h> - -#ifdef malloc -#undef malloc -#endif -#ifdef free -#undef free -#endif - -#define DEC_DEBUG - -#define PCI_INVALID_VENDORDEVICEID 0xffffffff -#define PCI_VENDOR_ID_DEC 0x1011 -#define PCI_DEVICE_ID_DEC_TULIP_FAST 0x0009 - -#define IO_MASK 0x3 -#define MEM_MASK 0xF -#define MASK_OFFSET 0xF - -/* command and status registers, 32-bit access, only if IO-ACCESS */ -#define ioCSR0 0x00 /* bus mode register */ -#define ioCSR1 0x08 /* transmit poll demand */ -#define ioCSR2 0x10 /* receive poll demand */ -#define ioCSR3 0x18 /* receive list base address */ -#define ioCSR4 0x20 /* transmit list base address */ -#define ioCSR5 0x28 /* status register */ -#define ioCSR6 0x30 /* operation mode register */ -#define ioCSR7 0x38 /* interrupt mask register */ -#define ioCSR8 0x40 /* missed frame counter */ -#define ioCSR9 0x48 /* Ethernet ROM register */ -#define ioCSR10 0x50 /* reserved */ -#define ioCSR11 0x58 /* full-duplex register */ -#define ioCSR12 0x60 /* SIA status register */ -#define ioCSR13 0x68 -#define ioCSR14 0x70 -#define ioCSR15 0x78 /* SIA general register */ - -/* command and status registers, 32-bit access, only if MEMORY-ACCESS */ -#define memCSR0 0x00 /* bus mode register */ -#define memCSR1 0x02 /* transmit poll demand */ -#define memCSR2 0x04 /* receive poll demand */ -#define memCSR3 0x06 /* receive list base address */ -#define memCSR4 0x08 /* transmit list base address */ -#define memCSR5 0x0A /* status register */ -#define memCSR6 0x0C /* operation mode register */ -#define memCSR7 0x0E /* interrupt mask register */ -#define memCSR8 0x10 /* missed frame counter */ -#define memCSR9 0x12 /* Ethernet ROM register */ -#define memCSR10 0x14 /* reserved */ -#define memCSR11 0x16 /* full-duplex register */ -#define memCSR12 0x18 /* SIA status register */ -#define memCSR13 0x1A -#define memCSR14 0x1C -#define memCSR15 0x1E /* SIA general register */ - -#define DEC_REGISTER_SIZE 0x100 /* to reserve virtual memory */ - -#define RESET_CHIP 0x00000001 -#define CSR0_MODE 0x01b08000 /* 01a08000 */ -#define ROM_ADDRESS 0x00004800 -#define CSR6_INIT 0x020c0000 /* 020c0000 */ -#define CSR6_TX 0x00002000 -#define CSR6_TXRX 0x00002002 -#define IT_SETUP 0x00010040 /* 0001ebef */ -#define CLEAR_IT 0xFFFFFFFF -#define NO_IT 0x00000000 - -#define NRXBUFS 7 /* number of receive buffers */ -#define NTXBUFS 1 /* number of transmit buffers */ - -/* message descriptor entry */ -struct MD { - volatile unsigned long status; - volatile unsigned long counts; - volatile unsigned char *buf1, *buf2; -}; - -/* - * Number of WDs supported by this driver - */ -#define NDECDRIVER 1 - -/* - * Receive buffer size -- Allow for a full ethernet packet including CRC - */ -#define RBUF_SIZE 1536 - -#define ET_MINLEN 60 /* minimum message length */ - -/* - * RTEMS event used by interrupt handler to signal driver tasks. - * This must not be any of the events used by the network task synchronization. - */ -#define INTERRUPT_EVENT RTEMS_EVENT_1 - -/* - * RTEMS event used to start transmit daemon. - * This must not be the same as INTERRUPT_EVENT. - */ -#define START_TRANSMIT_EVENT RTEMS_EVENT_2 - -#if (MCLBYTES < RBUF_SIZE) -# error "Driver must have MCLBYTES > RBUF_SIZE" -#endif - -/* - * Per-device data - */ - struct dec21140_softc { - struct arpcom arpcom; - rtems_irq_connect_data irqInfo; - volatile struct MD *MDbase; - volatile unsigned char *bufferBase; - int acceptBroadcast; - int rxBdCount; - int txBdCount; - rtems_id rxDaemonTid; - rtems_id txDaemonTid; - - unsigned int port; - volatile unsigned int *base; - unsigned long bpar; - - /* - * Statistics - */ - unsigned long rxInterrupts; - unsigned long rxNotFirst; - unsigned long rxNotLast; - unsigned long rxGiant; - unsigned long rxNonOctet; - unsigned long rxRunt; - unsigned long rxBadCRC; - unsigned long rxOverrun; - unsigned long rxCollision; - - unsigned long txInterrupts; - unsigned long txDeferred; - unsigned long txHeartbeat; - unsigned long txLateCollision; - unsigned long txRetryLimit; - unsigned long txUnderrun; - unsigned long txLostCarrier; - unsigned long txRawWait; -}; - -static struct dec21140_softc dec21140_softc[NDECDRIVER]; - -/* - * DEC21140 interrupt handler - */ -static rtems_isr -dec21140Enet_interrupt_handler (rtems_vector_number v) -{ - volatile unsigned int *tbase; - unsigned long status; - - unsigned int sc; - - tbase = dec21140_softc[0].base ; - - /* - * Read status - */ - st_le32((tbase+memCSR7), NO_IT); - status = ld_le32(tbase+memCSR5); - st_le32((tbase+memCSR5), CLEAR_IT); - - /* - * Frame received? - */ - if (status & 0x00000040){ - dec21140_softc[0].rxInterrupts++; - sc = rtems_event_send (dec21140_softc[0].rxDaemonTid, INTERRUPT_EVENT); - } -} - -static void nopOn(const rtems_irq_connect_data* notUsed) -{ - /* - * code should be moved from dec21140Enet_initialize_hardware - * to this location - */ -} - -static int dec21140IsOn(const rtems_irq_connect_data* irq) -{ - return BSP_irq_enabled_at_i8259s (irq->name); -} - -/* - * Read and write the MII registers using software-generated serial - * MDIO protocol. - */ -#define MDIO_SHIFT_CLK 0x10000 -#define MDIO_DATA_WRITE0 0x00000 -#define MDIO_DATA_WRITE1 0x20000 -#define MDIO_ENB 0x00000 -#define MDIO_ENB_IN 0x40000 -#define MDIO_DATA_READ 0x80000 - -static int mdio_read(volatile unsigned int *ioaddr, int phy_id, int location) -{ - int i, i3; - int read_cmd = (0xf6 << 10) | (phy_id << 5) | location; - unsigned short retval = 0; - - /* Establish sync by sending at least 32 logic ones. */ - for (i = 32; i >= 0; i--) { - st_le32(ioaddr, MDIO_ENB | MDIO_DATA_WRITE1); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, MDIO_ENB | MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - } - /* Shift the read command bits out. */ - for (i = 17; i >= 0; i--) { - int dataval = (read_cmd & (1 << i)) ? MDIO_DATA_WRITE1 : 0; - st_le32(ioaddr, dataval); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, dataval | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, dataval); - for(i3=0; i3<1000; i3++); - } - st_le32(ioaddr, MDIO_ENB_IN | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, MDIO_ENB_IN); - - for (i = 16; i > 0; i--) { - st_le32(ioaddr, MDIO_ENB_IN | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - retval = (retval << 1) | ((ld_le32(ioaddr) & MDIO_DATA_READ) ? 1 : 0); - st_le32(ioaddr, MDIO_ENB_IN); - for(i3=0; i3<1000; i3++); - } - /* Clear out extra bits. */ - for (i = 16; i > 0; i--) { - st_le32(ioaddr, MDIO_ENB_IN | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, MDIO_ENB_IN); - for(i3=0; i3<1000; i3++); - } - return ( ((retval<<8)&0xff00) | ((retval>>8)&0xff) ); -} - -static int mdio_write(volatile unsigned int *ioaddr, int phy_id, int location, int value) -{ - int i, i3; - int cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; - - /* Establish sync by sending at least 32 logic ones. */ - for (i = 32; i >= 0; i--) { - st_le32(ioaddr, MDIO_ENB | MDIO_DATA_WRITE1); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, MDIO_ENB | MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - } - /* Shift the read command bits out. */ - for (i = 31; i >= 0; i--) { - int dataval = (cmd & (1 << i)) ? MDIO_DATA_WRITE1 : 0; - st_le32(ioaddr, dataval); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, dataval | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - } - - /* Clear out extra bits. */ - for (i = 2; i > 0; i--) { - st_le32(ioaddr, MDIO_ENB_IN); - for(i3=0; i3<1000; i3++); - st_le32(ioaddr, MDIO_ENB_IN | MDIO_SHIFT_CLK); - for(i3=0; i3<1000; i3++); - } - return 0; - - -} - -/* - * This routine reads a word (16 bits) from the serial EEPROM. - */ -/* EEPROM_Ctrl bits. */ -#define EE_SHIFT_CLK 0x02 /* EEPROM shift clock. */ -#define EE_CS 0x01 /* EEPROM chip select. */ -#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */ -#define EE_WRITE_0 0x01 -#define EE_WRITE_1 0x05 -#define EE_DATA_READ 0x08 /* EEPROM chip data out. */ -#define EE_ENB (0x4800 | EE_CS) - -/* The EEPROM commands include the alway-set leading bit. */ -#define EE_WRITE_CMD (5 << 6) -#define EE_READ_CMD (6 << 6) -#define EE_ERASE_CMD (7 << 6) - -static int eeget16(volatile unsigned int *ioaddr, int location) -{ - int i, i3; - unsigned short retval = 0; - int read_cmd = location | EE_READ_CMD; - - st_le32(ioaddr, EE_ENB & ~EE_CS); - st_le32(ioaddr, EE_ENB); - - /* Shift the read command bits out. */ - for (i = 10; i >= 0; i--) { - short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; - st_le32(ioaddr, EE_ENB | dataval); - for (i3=0; i3<1000; i3++) ; - st_le32(ioaddr, EE_ENB | dataval | EE_SHIFT_CLK); - for (i3=0; i3<1000; i3++) ; - st_le32(ioaddr, EE_ENB | dataval); /* Finish EEPROM a clock tick. */ - for (i3=0; i3<1000; i3++) ; - } - st_le32(ioaddr, EE_ENB); - - for (i = 16; i > 0; i--) { - st_le32(ioaddr, EE_ENB | EE_SHIFT_CLK); - for (i3=0; i3<1000; i3++) ; - retval = (retval << 1) | ((ld_le32(ioaddr) & EE_DATA_READ) ? 1 : 0); - st_le32(ioaddr, EE_ENB); - for (i3=0; i3<1000; i3++) ; - } - - /* Terminate the EEPROM access. */ - st_le32(ioaddr, EE_ENB & ~EE_CS); - return ( ((retval<<8)&0xff00) | ((retval>>8)&0xff) ); -} - -/* - * Initialize the ethernet hardware - */ -static void -dec21140Enet_initialize_hardware (struct dec21140_softc *sc) -{ - rtems_status_code st; - volatile unsigned int *tbase; - union {char c[64]; unsigned short s[32];} rombuf; - int i, i2, i3; - volatile unsigned char *cp, direction, *setup_frm, *eaddrs; - unsigned long csr12_val, mii_reg0; - volatile unsigned char *buffer; - volatile struct MD *rmd; - - - tbase = sc->base; - - - - /* - * WARNING : First write in CSR6 - * Then Reset the chip ( 1 in CSR0) - */ - - st_le32( (tbase+memCSR6), CSR6_INIT); - st_le32( (tbase+memCSR0), RESET_CHIP); - for(i3=0; i3<1000; i3++); - - /* - * Init CSR0 - */ - st_le32( (tbase+memCSR0), CSR0_MODE); - - csr12_val = ld_le32( (tbase+memCSR8) ); - - for (i=0; i<32; i++){ - rombuf.s[i] = eeget16(tbase+memCSR9, i); - } - memcpy (sc->arpcom.ac_enaddr, rombuf.c+20, ETHER_ADDR_LEN); - - mii_reg0 = mdio_read(tbase+memCSR9, 0, 0); - mdio_write(tbase+memCSR9, 0, 0, mii_reg0 | 0x1000); - -#ifdef DEC_DEBUG - printk("DC21140 %x:%x:%x:%x:%x:%x IRQ %d IO %x M %x .........\n", - sc->arpcom.ac_enaddr[0], sc->arpcom.ac_enaddr[1], - sc->arpcom.ac_enaddr[2], sc->arpcom.ac_enaddr[3], - sc->arpcom.ac_enaddr[4], sc->arpcom.ac_enaddr[5], - sc->irqInfo.name, sc->port, (unsigned) sc->base); -#endif - - /* - * Init RX ring - */ - sc->rxBdCount = 0; - cp = (volatile unsigned char *)malloc((NRXBUFS+NTXBUFS)*(sizeof(struct MD)+ RBUF_SIZE) + PPC_CACHE_ALIGNMENT); - sc->bufferBase = cp; - if ((unsigned int)cp & (PPC_CACHE_ALIGNMENT-1)) - cp = (volatile unsigned char *) (((unsigned int)cp + PPC_CACHE_ALIGNMENT) & ~(PPC_CACHE_ALIGNMENT-1)); -#ifdef PCI_BRIDGE_DOES_NOT_ENSURE_CACHE_COHERENCY_FOR_DMA - if (_CPU_is_paging_enabled()) - _CPU_change_memory_mapping_attribute - (NULL, cp, - (NRXBUFS+NTXBUFS)*(sizeof(struct MD)+ RBUF_SIZE), - PTE_CACHE_DISABLE | PTE_WRITABLE); -#endif - rmd = (volatile struct MD*)cp; - sc->MDbase = rmd; - buffer = cp + ((NRXBUFS+NTXBUFS)*sizeof(struct MD)); - st_le32( (tbase+memCSR3), (long)((long)(sc->MDbase) + PREP_PCI_DRAM_OFFSET)); - for (i=0 ; i<NRXBUFS; i++){ - rmd->buf2 = (volatile unsigned char *) 0; - rmd->buf1 = (buffer + (i*RBUF_SIZE) + PREP_PCI_DRAM_OFFSET); - rmd->counts = 0xfcc00000 | (RBUF_SIZE); - rmd->status = 0x80000000; - rmd++; - } - /* - * mark last RX buffer. - */ - sc->MDbase [NRXBUFS-1].counts = 0xfec00000 | (RBUF_SIZE); - /* - * Init TX ring - */ - sc->txBdCount = 0; - st_le32( (tbase+memCSR4), (long)(((long)(rmd)) + PREP_PCI_DRAM_OFFSET)); - rmd->buf2 = (volatile unsigned char *) 0; - rmd->buf1 = buffer + (NRXBUFS*RBUF_SIZE) + PREP_PCI_DRAM_OFFSET; - rmd->counts = 0x62000000; - rmd->status = 0x0; - - /* - * Set up interrupts - */ - st_le32( (tbase+memCSR5), IT_SETUP); - st_le32( (tbase+memCSR7), IT_SETUP); - - sc->irqInfo.hdl = (rtems_irq_hdl)dec21140Enet_interrupt_handler; - sc->irqInfo.on = nopOn; - sc->irqInfo.off = nopOn; - sc->irqInfo.isOn = dec21140IsOn; - st = BSP_install_rtems_irq_handler (&sc->irqInfo); - if (!st) - rtems_panic ("Can't attach DEC21140 interrupt handler for irq %d\n", - sc->irqInfo.name); - - /* - * Start TX for setup frame - */ - st_le32( (tbase+memCSR6), CSR6_INIT | CSR6_TX); - - /* - * Build setup frame - */ - setup_frm = rmd->buf1 - PREP_PCI_DRAM_OFFSET; - eaddrs = (char *)(sc->arpcom.ac_enaddr); - /* Fill the buffer with our physical address. */ - for (i = 1; i < 16; i++) { - *setup_frm++ = eaddrs[0]; - *setup_frm++ = eaddrs[1]; - *setup_frm++ = eaddrs[0]; - *setup_frm++ = eaddrs[1]; - *setup_frm++ = eaddrs[2]; - *setup_frm++ = eaddrs[3]; - *setup_frm++ = eaddrs[2]; - *setup_frm++ = eaddrs[3]; - *setup_frm++ = eaddrs[4]; - *setup_frm++ = eaddrs[5]; - *setup_frm++ = eaddrs[4]; - *setup_frm++ = eaddrs[5]; - } - /* Add the broadcast address when doing perfect filtering */ - memset((void*) setup_frm, 0xff, 12); - rmd->counts = 0x0a000000 | 192 ; - rmd->status = 0x80000000; - st_le32( (tbase+memCSR1), 1); - while (rmd->status != 0x7fffffff); - - /* - * Enable RX and TX - */ - st_le32( (unsigned int*)(tbase+memCSR6), CSR6_INIT | CSR6_TXRX); - - /* - * Set up PHY - */ - - i = rombuf.c[27]; - i+=2; - direction = rombuf.c[i]; - i +=4; - st_le32( (tbase+memCSR12), direction | 0x100); - for (i2 = 0; i2 < rombuf.c[(i+2) + rombuf.c[i+1]]; i2++){ - st_le32( (tbase + memCSR12), rombuf.c[(i+3) + rombuf.c[i+1] + i2]); - } - for (i2 = 0; i2 < rombuf.c[i+1]; i2++){ - st_le32( (tbase + memCSR12), rombuf.c[(i+2) + i2]); - } -} - -static void -dec21140_rxDaemon (void *arg) -{ - volatile unsigned int *tbase; - struct ether_header *eh; - struct dec21140_softc *dp = (struct dec21140_softc *)&dec21140_softc[0]; - struct ifnet *ifp = &dp->arpcom.ac_if; - struct mbuf *m; - volatile struct MD *rmd; - unsigned int len; - char *temp; - rtems_event_set events; - int nbMD; - - tbase = dec21140_softc[0].base ; - - for (;;){ - - rtems_bsdnet_event_receive (INTERRUPT_EVENT, - RTEMS_WAIT|RTEMS_EVENT_ANY, - RTEMS_NO_TIMEOUT, - &events); - rmd = dec21140_softc[0].MDbase; - nbMD = 0; - - while (nbMD < NRXBUFS){ - if ( (rmd->status & 0x80000000) == 0){ - len = (rmd->status >> 16) & 0x7ff; - MGETHDR (m, M_WAIT, MT_DATA); - MCLGET (m, M_WAIT); - m->m_pkthdr.rcvif = ifp; - temp = m->m_data; - m->m_len = m->m_pkthdr.len = len - sizeof(struct ether_header); - memcpy(temp, (void*) (rmd->buf1-PREP_PCI_DRAM_OFFSET), len); - rmd->status = 0x80000000; - eh = mtod (m, struct ether_header *); - m->m_data += sizeof(struct ether_header); - ether_input (ifp, eh, m); - } - rmd++; - nbMD++; - } - st_le32( (tbase+memCSR7), IT_SETUP); - } -} - -static void -sendpacket (struct ifnet *ifp, struct mbuf *m) -{ - struct dec21140_softc *dp = ifp->if_softc; - volatile struct MD *tmd; - volatile unsigned char *temp; - struct mbuf *n; - unsigned int len; - volatile unsigned int *tbase; - - tbase = dp->base; - - /* - * Waiting for Transmitter ready - */ - tmd = dec21140_softc[0].MDbase + NRXBUFS; - while ( (tmd->status & 0x80000000) != 0 ); - len = 0; - n = m; - temp = tmd->buf1-PREP_PCI_DRAM_OFFSET; - - for (;;){ - len += m->m_len; - memcpy((void*) temp, (char *)m->m_data, m->m_len); - temp += m->m_len ; - if ((m = m->m_next) == NULL) - break; - } - - if (len < ET_MINLEN) len = ET_MINLEN; - tmd->counts = 0xe2000000 | len; - tmd->status = 0x80000000; - - st_le32( (tbase+memCSR1), 0x1); - - m_freem(n); -} - -/* - * Driver transmit daemon - */ -void -dec21140_txDaemon (void *arg) -{ - struct dec21140_softc *sc = (struct dec21140_softc *)arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - struct mbuf *m; - rtems_event_set events; - - for (;;) { - /* - * Wait for packet - */ - - rtems_bsdnet_event_receive (START_TRANSMIT_EVENT, RTEMS_EVENT_ANY | RTEMS_WAIT, RTEMS_NO_TIMEOUT, &events); - - /* - * Send packets till queue is empty - */ - for (;;) { - /* - * Get the next mbuf chain to transmit. - */ - IF_DEQUEUE(&ifp->if_snd, m); - if (!m) - break; - sendpacket (ifp, m); - } - ifp->if_flags &= ~IFF_OACTIVE; - } -} - - -static void -dec21140_start (struct ifnet *ifp) -{ - struct dec21140_softc *sc = ifp->if_softc; - - rtems_event_send (sc->txDaemonTid, START_TRANSMIT_EVENT); - ifp->if_flags |= IFF_OACTIVE; -} - -/* - * Initialize and start the device - */ -static void -dec21140_init (void *arg) -{ - struct dec21140_softc *sc = arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - - if (sc->txDaemonTid == 0) { - - /* - * Set up DEC21140 hardware - */ - dec21140Enet_initialize_hardware (sc); - - /* - * Start driver tasks - */ - sc->rxDaemonTid = rtems_bsdnet_newproc ("DCrx", 4096, - dec21140_rxDaemon, sc); - sc->txDaemonTid = rtems_bsdnet_newproc ("DCtx", 4096, - dec21140_txDaemon, sc); - } - - /* - * Tell the world that we're running. - */ - ifp->if_flags |= IFF_RUNNING; - -} - -/* - * Stop the device - */ -static void -dec21140_stop (struct dec21140_softc *sc) -{ - volatile unsigned int *tbase; - struct ifnet *ifp = &sc->arpcom.ac_if; - - ifp->if_flags &= ~IFF_RUNNING; - - /* - * Stop the transmitter - */ - tbase=dec21140_softc[0].base ; - st_le32( (tbase+memCSR7), NO_IT); - st_le32( (tbase+memCSR6), CSR6_INIT); - free((void*)sc->bufferBase); -} - - -/* - * Show interface statistics - */ -static void -dec21140_stats (struct dec21140_softc *sc) -{ - printf (" Rx Interrupts:%-8lu", sc->rxInterrupts); - printf (" Not First:%-8lu", sc->rxNotFirst); - printf (" Not Last:%-8lu\n", sc->rxNotLast); - printf (" Giant:%-8lu", sc->rxGiant); - printf (" Runt:%-8lu", sc->rxRunt); - printf (" Non-octet:%-8lu\n", sc->rxNonOctet); - printf (" Bad CRC:%-8lu", sc->rxBadCRC); - printf (" Overrun:%-8lu", sc->rxOverrun); - printf (" Collision:%-8lu\n", sc->rxCollision); - - printf (" Tx Interrupts:%-8lu", sc->txInterrupts); - printf (" Deferred:%-8lu", sc->txDeferred); - printf (" Missed Hearbeat:%-8lu\n", sc->txHeartbeat); - printf (" No Carrier:%-8lu", sc->txLostCarrier); - printf ("Retransmit Limit:%-8lu", sc->txRetryLimit); - printf (" Late Collision:%-8lu\n", sc->txLateCollision); - printf (" Underrun:%-8lu", sc->txUnderrun); - printf (" Raw output wait:%-8lu\n", sc->txRawWait); -} - -/* - * Driver ioctl handler - */ -static int -dec21140_ioctl (struct ifnet *ifp, int command, caddr_t data) -{ - struct dec21140_softc *sc = ifp->if_softc; - int error = 0; - - switch (command) { - case SIOCGIFADDR: - case SIOCSIFADDR: - ether_ioctl (ifp, command, data); - break; - - case SIOCSIFFLAGS: - switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { - case IFF_RUNNING: - dec21140_stop (sc); - break; - - case IFF_UP: - dec21140_init (sc); - break; - - case IFF_UP | IFF_RUNNING: - dec21140_stop (sc); - dec21140_init (sc); - break; - - default: - break; - } - break; - - case SIO_RTEMS_SHOW_STATS: - dec21140_stats (sc); - break; - - /* - * FIXME: All sorts of multicast commands need to be added here! - */ - default: - error = EINVAL; - break; - } - - return error; -} - -/* - * Attach an DEC21140 driver to the system - */ -int -rtems_dec21140_driver_attach (struct rtems_bsdnet_ifconfig *config) -{ - struct dec21140_softc *sc; - struct ifnet *ifp; - int mtu; - int i; - unsigned char ucSlotNumber, ucFnNumber; - unsigned int ulDeviceID, lvalue, tmp; - unsigned char cvalue; - - /* - * First, find a DEC board - */ - for(ucSlotNumber=0;ucSlotNumber<PCI_MAX_DEVICES;ucSlotNumber++) { - for(ucFnNumber=0;ucFnNumber<PCI_MAX_FUNCTIONS;ucFnNumber++) { - (void)pci_read_config_dword(0, - ucSlotNumber, - ucFnNumber, - PCI_VENDOR_ID, - &ulDeviceID); - if(ulDeviceID==PCI_INVALID_VENDORDEVICEID) { - /* - * This slot is empty - */ - continue; - } - if (ulDeviceID == ((PCI_DEVICE_ID_DEC_TULIP_FAST<<16) + PCI_VENDOR_ID_DEC)) - break; - } - if (ulDeviceID == ((PCI_DEVICE_ID_DEC_TULIP_FAST<<16) + PCI_VENDOR_ID_DEC)){ - printk("DEC Adapter found !!\n"); - break; - } - } - - if(ulDeviceID==PCI_INVALID_VENDORDEVICEID) - rtems_panic("DEC PCI board not found !!\n"); - - /* - * Find a free driver - */ - for (i = 0 ; i < NDECDRIVER ; i++) { - sc = &dec21140_softc[i]; - ifp = &sc->arpcom.ac_if; - if (ifp->if_softc == NULL) - break; - } - if (i >= NDECDRIVER) { - printk ("Too many DEC drivers.\n"); - return 0; - } - - /* - * Process options - */ - - (void)pci_read_config_dword(0, - ucSlotNumber, - ucFnNumber, - PCI_BASE_ADDRESS_0, - &lvalue); - - sc->port = lvalue & (unsigned int)(~IO_MASK); - - (void)pci_read_config_dword(0, - ucSlotNumber, - ucFnNumber, - PCI_BASE_ADDRESS_1 , - &lvalue); - - - tmp = (unsigned int)(lvalue & (unsigned int)(~MEM_MASK)) - + (unsigned int)PREP_ISA_MEM_BASE; - sc->base = (unsigned int *)(tmp); - - (void)pci_read_config_byte(0, - ucSlotNumber, - ucFnNumber, - PCI_INTERRUPT_LINE, - &cvalue); - sc->irqInfo.name = (rtems_irq_symbolic_name)cvalue; - - if (config->hardware_address) { - memcpy (sc->arpcom.ac_enaddr, config->hardware_address, - ETHER_ADDR_LEN); - } - else { - memset (sc->arpcom.ac_enaddr, 0x08,ETHER_ADDR_LEN); - } - if (config->mtu) - mtu = config->mtu; - else - mtu = ETHERMTU; - - sc->acceptBroadcast = !config->ignore_broadcast; - - /* - * Set up network interface values - */ - ifp->if_softc = sc; - ifp->if_unit = i + 1; - ifp->if_name = "dc"; - ifp->if_mtu = mtu; - ifp->if_init = dec21140_init; - ifp->if_ioctl = dec21140_ioctl; - ifp->if_start = dec21140_start; - ifp->if_output = ether_output; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; - if (ifp->if_snd.ifq_maxlen == 0) - ifp->if_snd.ifq_maxlen = ifqmaxlen; - - /* - * Attach the interface - */ - if_attach (ifp); - ether_ifattach (ifp); - - return 1; -}; - |