bsps/powerpc, bsps/shared: Move remaining legacy networking header files

1 files changed, 0 insertions, 1663 deletions

diff --git a/bsps/shared/grlib/net/greth.c b/bsps/shared/grlib/net/greth.c
deleted file mode 100644
index 84efcd74ab..0000000000
--- a/bsps/shared/grlib/net/greth.c
+++ /dev/null
@@ -1,1663 +0,0 @@
-/*
- * Gaisler Research ethernet MAC driver
- * adapted from Opencores driver by Marko Isomaki
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.org/license/LICENSE.
- *
- *
- *  2008-12-10, Converted to driver manager and added support for
- *              multiple GRETH cores. <daniel@gaisler.com>
- *  2007-09-07, Ported GBIT support from 4.6.5
- */
-
-#include <machine/rtems-bsd-kernel-space.h>
-
-#include <rtems.h>
-#define CPU_U32_FIX
-#include <bsp.h>
-
-#ifdef GRETH_SUPPORTED
-
-#include <inttypes.h>
-#include <errno.h>
-#include <rtems/bspIo.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdarg.h>
-#include <rtems/error.h>
-#include <rtems/rtems_bsdnet.h>
-
-#include <grlib/greth.h>
-#include <drvmgr/drvmgr.h>
-#include <grlib/ambapp_bus.h>
-#include <grlib/ambapp.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>
-
-#ifdef malloc
-#undef malloc
-#endif
-#ifdef free
-#undef free
-#endif
-
-#include <grlib/grlib_impl.h>
-
-#if defined(__m68k__)
-extern m68k_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int );
-#else
-extern rtems_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int );
-#endif
-
-
-/* #define GRETH_DEBUG */
-
-#ifdef GRETH_DEBUG
-#define DBG(args...) printk(args)
-#else
-#define DBG(args...)
-#endif
-
-/* #define GRETH_DEBUG_MII */
-
-#ifdef GRETH_DEBUG_MII
-#define MIIDBG(args...) printk(args)
-#else
-#define MIIDBG(args...)
-#endif
-
-#ifdef CPU_U32_FIX
-extern void ipalign(struct mbuf *m);
-#endif
-
-/* Used when reading from memory written by GRETH DMA unit */
-#ifndef GRETH_MEM_LOAD
-#define GRETH_MEM_LOAD(addr) (*(volatile unsigned int *)(addr))
-#endif
-
-/*
- * Number of OCs supported by this driver
- */
-#define NOCDRIVER	1
-
-/*
- * Receive buffer size -- Allow for a full ethernet packet including CRC
- */
-#define RBUF_SIZE 1518
-
-#define	ET_MINLEN 64		/* 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
-
- /* event to send when tx buffers become available */
-#define GRETH_TX_WAIT_EVENT  RTEMS_EVENT_3
-
-#if (MCLBYTES < RBUF_SIZE)
-# error "Driver must have MCLBYTES > RBUF_SIZE"
-#endif
-
-/* 4s Autonegotiation Timeout */
-#ifndef GRETH_AUTONEGO_TIMEOUT_MS
-#define GRETH_AUTONEGO_TIMEOUT_MS 4000
-#endif
-const struct timespec greth_tan = {
-   GRETH_AUTONEGO_TIMEOUT_MS/1000,
-   (GRETH_AUTONEGO_TIMEOUT_MS % 1000) * 1000000
-};
-
-/* For optimizing the autonegotiation time */
-#define GRETH_AUTONEGO_PRINT_TIME
-
-/* Ethernet buffer descriptor */
-
-typedef struct _greth_rxtxdesc {
-   volatile uint32_t ctrl; /* Length and status */
-   uint32_t *addr;         /* Buffer pointer */
-} greth_rxtxdesc;
-
-
-/*
- * Per-device data
- */
-struct greth_softc
-{
-
-   struct arpcom arpcom;
-   struct drvmgr_dev *dev;		/* Driver manager device */
-   char devName[32];
-
-   greth_regs *regs;
-   int minor;
-   int phyaddr;  /* PHY Address configured by user (or -1 to autodetect) */
-   unsigned int edcl_dis;
-   int greth_rst;
-
-   int acceptBroadcast;
-   rtems_id daemonTid;
-   
-   unsigned int tx_ptr;
-   unsigned int tx_dptr;
-   unsigned int tx_cnt;
-   unsigned int rx_ptr;
-   unsigned int txbufs;
-   unsigned int rxbufs;
-   greth_rxtxdesc *txdesc;
-   greth_rxtxdesc *rxdesc;
-   unsigned int txdesc_remote;
-   unsigned int rxdesc_remote;
-   struct mbuf **rxmbuf;
-   struct mbuf **txmbuf;
-   rtems_vector_number vector;
-   
-   /* TX descriptor interrupt generation */
-   int tx_int_gen;
-   int tx_int_gen_cur;
-   struct mbuf *next_tx_mbuf;
-   int max_fragsize;
-   
-   /*Status*/
-   struct phy_device_info phydev;
-   int phy_read_access;
-   int phy_write_access;
-   int fd;
-   int sp;
-   int gb;
-   int gbit_mac;
-   int auto_neg;
-   unsigned int advmodes; /* advertise ethernet speed modes. 0 = all modes. */
-   struct timespec auto_neg_time;
-   int mc_available;
-   int num_descs;
-
-   /*
-    * Statistics
-    */
-   unsigned long rxInterrupts;
-   
-   unsigned long rxPackets;
-   unsigned long rxLengthError;
-   unsigned long rxNonOctet;
-   unsigned long rxBadCRC;
-   unsigned long rxOverrun;
-   
-   unsigned long txInterrupts;
-   
-   unsigned long txDeferred;
-   unsigned long txHeartbeat;
-   unsigned long txLateCollision;
-   unsigned long txRetryLimit;
-   unsigned long txUnderrun;
-
-   /* Spin-lock ISR protection */
-   SPIN_DECLARE(devlock);
-};
-
-int greth_process_tx_gbit(struct greth_softc *sc);
-int greth_process_tx(struct greth_softc *sc);
-
-static char *almalloc(int sz, int alignment)
-{
-        char *tmp;
-        tmp = grlib_calloc(1, sz + (alignment-1));
-        tmp = (char *) (((int)tmp+alignment) & ~(alignment -1));
-        return(tmp);
-}
-
-/* GRETH interrupt handler */
-
-static void greth_interrupt (void *arg)
-{
-        uint32_t status;
-        uint32_t ctrl;
-        rtems_event_set events = 0;
-        struct greth_softc *greth = arg;
-        SPIN_ISR_IRQFLAGS(flags);
-
-        /* read and clear interrupt cause */
-        status = greth->regs->status;
-        greth->regs->status = status;
-
-        SPIN_LOCK(&greth->devlock, flags);
-        ctrl = greth->regs->ctrl;
-
-        /* Frame received? */
-        if ((ctrl & GRETH_CTRL_RXIRQ) && (status & (GRETH_STATUS_RXERR | GRETH_STATUS_RXIRQ)))
-        {
-                greth->rxInterrupts++;
-                /* Stop RX-Error and RX-Packet interrupts */
-                ctrl &= ~GRETH_CTRL_RXIRQ;
-                events |= INTERRUPT_EVENT;
-        }
-
-        if ( (ctrl & GRETH_CTRL_TXIRQ) && (status & (GRETH_STATUS_TXERR | GRETH_STATUS_TXIRQ)) )
-        {
-                greth->txInterrupts++;
-                ctrl &= ~GRETH_CTRL_TXIRQ;
-                events |= GRETH_TX_WAIT_EVENT;
-        }
-
-        /* Clear interrupt sources */
-        greth->regs->ctrl = ctrl;
-        SPIN_UNLOCK(&greth->devlock, flags);
-
-        /* Send the event(s) */
-        if ( events )
-            rtems_bsdnet_event_send(greth->daemonTid, events);
-}
-
-static uint32_t read_mii(struct greth_softc *sc, uint32_t phy_addr, uint32_t reg_addr)
-{
-    sc->phy_read_access++;
-    while (sc->regs->mdio_ctrl & GRETH_MDIO_BUSY) {}
-    sc->regs->mdio_ctrl = (phy_addr << 11) | (reg_addr << 6) | GRETH_MDIO_READ;
-    while (sc->regs->mdio_ctrl & GRETH_MDIO_BUSY) {}
-    if (!(sc->regs->mdio_ctrl & GRETH_MDIO_LINKFAIL)) {
-        MIIDBG("greth%d: mii read[%d] OK to %" PRIx32 ".%" PRIx32
-               " (0x%08" PRIx32 ",0x%08" PRIx32 ")\n",
-               sc->minor, sc->phy_read_access, phy_addr, reg_addr,
-               sc->regs->ctrl, sc->regs->mdio_ctrl);
-        return((sc->regs->mdio_ctrl >> 16) & 0xFFFF);
-    } else {
-        printf("greth%d: mii read[%d] failed to %" PRIx32 ".%" PRIx32
-               " (0x%08" PRIx32 ",0x%08" PRIx32 ")\n",
-               sc->minor, sc->phy_read_access, phy_addr, reg_addr,
-               sc->regs->ctrl, sc->regs->mdio_ctrl);
-        return (0xffff);
-    }
-}
-
-static void write_mii(struct greth_softc *sc, uint32_t phy_addr, uint32_t reg_addr, uint32_t data)
-{
-    sc->phy_write_access++;
-    while (sc->regs->mdio_ctrl & GRETH_MDIO_BUSY) {}
-    sc->regs->mdio_ctrl =
-     ((data & 0xFFFF) << 16) | (phy_addr << 11) | (reg_addr << 6) | GRETH_MDIO_WRITE;
-    while (sc->regs->mdio_ctrl & GRETH_MDIO_BUSY) {}
-    if (!(sc->regs->mdio_ctrl & GRETH_MDIO_LINKFAIL)) {
-        MIIDBG("greth%d: mii write[%d] OK to  to %" PRIx32 ".%" PRIx32
-               "(0x%08" PRIx32 ",0x%08" PRIx32 ")\n",
-               sc->minor, sc->phy_write_access, phy_addr, reg_addr,
-               sc->regs->ctrl, sc->regs->mdio_ctrl);
-    } else {
-        printf("greth%d: mii write[%d] failed to to %" PRIx32 ".%" PRIx32
-               " (0x%08" PRIx32 ",0x%08" PRIx32 ")\n",
-               sc->minor, sc->phy_write_access, phy_addr, reg_addr,
-               sc->regs->ctrl, sc->regs->mdio_ctrl);
-    }
-}
-
-static void print_init_info(struct greth_softc *sc) 
-{
-    printf("greth: driver attached\n");
-    if ( sc->auto_neg == -1 ){
-        printf("Auto negotiation timed out. Selecting default config\n");
-    }
-    printf("**** PHY ****\n");
-    printf("Vendor: %x   Device: %x   Revision: %d\n",sc->phydev.vendor, sc->phydev.device, sc->phydev.rev);
-    printf("Current Operating Mode: ");
-    if (sc->gb) {
-        printf("1000 Mbit ");
-    } else if (sc->sp) {
-        printf("100 Mbit ");
-    } else {
-        printf("10 Mbit ");
-    }
-    if (sc->fd) {
-        printf("Full Duplex\n");
-    } else {
-        printf("Half Duplex\n");
-    }
-#ifdef GRETH_AUTONEGO_PRINT_TIME
-    if ( sc->auto_neg ) {
-        printf("Autonegotiation Time: %" PRIdMAX "ms\n",
-               (intmax_t)sc->auto_neg_time.tv_sec * 1000 +
-               sc->auto_neg_time.tv_nsec / 1000000);
-    }
-#endif
-}
-
-/*
- * Generates the hash words based on CRCs of the enabled MAC addresses that are
- * allowed to be received. The allowed MAC addresses are maintained in a linked
- * "multi-cast" list available in the arpcom structure.
- *
- * Returns the number of MAC addresses that were processed (in the list)
- */
-static int
-greth_mac_filter_calc(struct arpcom *ac, uint32_t *msb, uint32_t *lsb)
-{
-    struct ether_multistep step;
-    struct ether_multi *enm;
-    int cnt = 0;
-    uint32_t crc, htindex, ht[2] = {0, 0};
-
-    /* Go through the Ethernet Multicast addresses one by one and add their
-     * CRC contribution to the MAC filter.
-     */
-    ETHER_FIRST_MULTI(step, ac, enm);
-    while (enm) {
-        crc = ether_crc32_be((uint8_t *)enm->enm_addrlo, 6);
-        htindex = crc & 0x3f;
-        ht[htindex >> 5] |= (1 << (htindex & 0x1F));
-        cnt++;
-        ETHER_NEXT_MULTI(step, enm);
-    }
-
-    if (cnt > 0) {
-        *msb = ht[1];
-        *lsb = ht[0];
-    }
-
-    return cnt;
-}
-
-/*
- * Initialize the ethernet hardware
- */
-static int greth_mac_filter_set(struct greth_softc *sc)
-{
-    struct ifnet *ifp = &sc->arpcom.ac_if;
-    uint32_t hash_msb, hash_lsb, ctrl;
-    SPIN_IRQFLAGS(flags);
-
-    hash_msb = 0;
-    hash_lsb = 0;
-    ctrl = 0;
-    if (ifp->if_flags & IFF_PROMISC) {
-        /* No need to enable multi-cast when promiscous mode accepts all */
-        ctrl |= GRETH_CTRL_PRO;
-    } else if(!sc->mc_available) {
-        return EINVAL; /* no hardware support for multicast filtering. */
-    } else if (ifp->if_flags & IFF_ALLMULTI) {
-        /* We should accept all multicast addresses */
-        ctrl |= GRETH_CTRL_MCE;
-        hash_msb = 0xFFFFFFFF;
-        hash_lsb = 0xFFFFFFFF;
-    } else if (greth_mac_filter_calc(&sc->arpcom, &hash_msb, &hash_lsb) > 0) {
-        /* Generate hash for MAC filtering out multicast addresses */
-        ctrl |= GRETH_CTRL_MCE;
-    } else {
-        /* Multicast list is empty .. disable multicast */
-    }
-    SPIN_LOCK_IRQ(&sc->devlock, flags);
-    sc->regs->ht_msb = hash_msb;
-    sc->regs->ht_lsb = hash_lsb;
-    sc->regs->ctrl = (sc->regs->ctrl & ~(GRETH_CTRL_PRO | GRETH_CTRL_MCE)) |
-                     ctrl;
-    SPIN_UNLOCK_IRQ(&sc->devlock, flags);
-
-    return 0;
-}
-
-/*
- * Initialize the ethernet hardware
- */
-static void
-greth_initialize_hardware (struct greth_softc *sc)
-{
-    struct mbuf *m;
-    int i;
-    int phyaddr;
-    int phyctrl;
-    int phystatus;
-    int tmp1;
-    int tmp2;
-    struct timespec tstart, tnow;
-    greth_regs *regs;
-    unsigned int advmodes, speed, tabsize;
-
-    regs = sc->regs;
-
-    /* Reset the controller.  */
-    sc->rxInterrupts = 0;
-    sc->rxPackets = 0;
-
-    if (sc->greth_rst) {
-        /* Reset ON */
-        regs->ctrl = GRETH_CTRL_RST | GRETH_CTRL_DD | GRETH_CTRL_ED;
-        for (i = 0; i<100 && (regs->ctrl & GRETH_CTRL_RST); i++)
-            ;
-        speed = 0; /* probe mode below */
-    } else {
-        /* inherit EDCL mode for now */
-        speed = sc->regs->ctrl & (GRETH_CTRL_GB|GRETH_CTRL_SP|GRETH_CTRL_FULLD);
-    }
-    /* Reset OFF and RX/TX DMA OFF. SW do PHY Init */
-    regs->ctrl = GRETH_CTRL_DD | GRETH_CTRL_ED | speed;
-
-    /* Check if mac is gbit capable*/
-    sc->gbit_mac = (regs->ctrl >> 27) & 1;
-
-    /* Get the phy address which assumed to have been set
-       correctly with the reset value in hardware*/
-    if ( sc->phyaddr == -1 ) {
-        phyaddr = (regs->mdio_ctrl >> 11) & 0x1F;
-    } else {
-        phyaddr = sc->phyaddr;
-    }
-    sc->phy_read_access = 0;
-    sc->phy_write_access = 0;
-
-    /* As I understand the PHY comes back to a good default state after
-     * Power-down or Reset, so we do both just in case. Power-down bit should
-     * be cleared.
-     * Wait for old reset (if asserted by boot loader) to complete, otherwise
-     * power-down instruction might not have any effect.
-     */
-    while (read_mii(sc, phyaddr, 0) & 0x8000) {}
-    write_mii(sc, phyaddr, 0, 0x0800); /* Power-down */
-    write_mii(sc, phyaddr, 0, 0x0000); /* Power-Up */
-    write_mii(sc, phyaddr, 0, 0x8000); /* Reset */
-
-    /* We wait about 30ms */
-    rtems_task_wake_after(rtems_clock_get_ticks_per_second()/32);
-
-    /* Wait for reset to complete and get default values */
-    while ((phyctrl = read_mii(sc, phyaddr, 0)) & 0x8000) {}
-
-    /* Set up PHY advertising modes for auto-negotiation */
-    advmodes = sc->advmodes;
-    if (advmodes == 0)
-        advmodes = GRETH_ADV_ALL;
-    if (!sc->gbit_mac)
-        advmodes &= ~(GRETH_ADV_1000_FD | GRETH_ADV_1000_HD);
-
-    /* Enable/Disable GBit auto-neg advetisement so that the link partner
-     * know that we have/haven't GBit capability. The MAC may not support
-     * Gbit even though PHY does...
-     */
-    phystatus = read_mii(sc, phyaddr, 1);
-    if (phystatus & 0x0100) {
-        tmp1 = read_mii(sc, phyaddr, 9);
-        tmp1 &= ~0x300;
-        if (advmodes & GRETH_ADV_1000_FD)
-            tmp1 |= 0x200;
-        if (advmodes & GRETH_ADV_1000_HD)
-            tmp1 |= 0x100;
-        write_mii(sc, phyaddr, 9, tmp1);
-    }
-
-    /* Optionally limit the 10/100 modes as configured by user */
-    tmp1 = read_mii(sc, phyaddr, 4);
-    tmp1 &= ~0x1e0;
-    if (advmodes & GRETH_ADV_100_FD)
-        tmp1 |= 0x100;
-    if (advmodes & GRETH_ADV_100_HD)
-        tmp1 |= 0x080;
-    if (advmodes & GRETH_ADV_10_FD)
-        tmp1 |= 0x040;
-    if (advmodes & GRETH_ADV_10_HD)
-        tmp1 |= 0x020;
-    write_mii(sc, phyaddr, 4, tmp1);
-
-    /* If autonegotiation implemented we start it */
-    if (phystatus & 0x0008) {
-        write_mii(sc, phyaddr, 0, phyctrl | 0x1200);
-        phyctrl = read_mii(sc, phyaddr, 0);
-    }
-
-    /* Check if PHY is autoneg capable and then determine operating mode, 
-       otherwise force it to 10 Mbit halfduplex */
-    sc->gb = 0;
-    sc->fd = 0;
-    sc->sp = 0;
-    sc->auto_neg = 0;
-    timespecclear(&sc->auto_neg_time);
-    if ((phyctrl >> 12) & 1) {
-            /*wait for auto negotiation to complete*/
-            sc->auto_neg = 1;
-            if (rtems_clock_get_uptime(&tstart) != RTEMS_SUCCESSFUL)
-                    printk("rtems_clock_get_uptime failed\n");
-            while (!(((phystatus = read_mii(sc, phyaddr, 1)) >> 5) & 1)) {
-                    if (rtems_clock_get_uptime(&tnow) != RTEMS_SUCCESSFUL)
-                            printk("rtems_clock_get_uptime failed\n");
-                    timespecsub(&tnow, &tstart, &sc->auto_neg_time);
-                    if (timespeccmp(&sc->auto_neg_time, &greth_tan, >)) {
-                            sc->auto_neg = -1; /* Failed */
-                            tmp1 = read_mii(sc, phyaddr, 0);
-                            sc->gb = ((phyctrl >> 6) & 1) && !((phyctrl >> 13) & 1);
-                            sc->sp = !((phyctrl >> 6) & 1) && ((phyctrl >> 13) & 1);
-                            sc->fd = (phyctrl >> 8) & 1;
-                            goto auto_neg_done;
-                    }
-                    /* Wait about 30ms, time is PHY dependent */
-                    rtems_task_wake_after(rtems_clock_get_ticks_per_second()/32);
-            }
-            sc->phydev.adv = read_mii(sc, phyaddr, 4);
-            sc->phydev.part = read_mii(sc, phyaddr, 5);
-            if ((phystatus >> 8) & 1) {
-                    sc->phydev.extadv = read_mii(sc, phyaddr, 9);
-                    sc->phydev.extpart = read_mii(sc, phyaddr, 10);
-                       if ( (sc->phydev.extadv & GRETH_MII_EXTADV_1000HD) &&
-                            (sc->phydev.extpart & GRETH_MII_EXTPRT_1000HD)) {
-                               sc->gb = 1;
-                               sc->fd = 0;
-                       }
-                       if ( (sc->phydev.extadv & GRETH_MII_EXTADV_1000FD) &&
-                            (sc->phydev.extpart & GRETH_MII_EXTPRT_1000FD)) {
-                               sc->gb = 1;
-                               sc->fd = 1;
-                       }
-            }
-            if ((sc->gb == 0) || ((sc->gb == 1) && (sc->gbit_mac == 0))) {
-                    if ( (sc->phydev.adv & GRETH_MII_100TXFD) &&
-                         (sc->phydev.part & GRETH_MII_100TXFD)) {
-                            sc->sp = 1;
-                            sc->fd = 1;
-                    } else if ( (sc->phydev.adv & GRETH_MII_100TXHD) &&
-                                (sc->phydev.part & GRETH_MII_100TXHD)) {
-                            sc->sp = 1;
-                            sc->fd = 0;
-                    } else if ( (sc->phydev.adv & GRETH_MII_10FD) &&
-                                (sc->phydev.part & GRETH_MII_10FD)) {
-                            sc->fd = 1;
-                    }
-            }
-    }
-auto_neg_done:
-    sc->phydev.vendor = 0;
-    sc->phydev.device = 0;
-    sc->phydev.rev = 0;
-    phystatus = read_mii(sc, phyaddr, 1);
-
-    /* Read out PHY info if extended registers are available */
-    if (phystatus & 1) {  
-            tmp1 = read_mii(sc, phyaddr, 2);
-            tmp2 = read_mii(sc, phyaddr, 3);
-
-            sc->phydev.vendor = (tmp1 << 6) | ((tmp2 >> 10) & 0x3F);
-            sc->phydev.rev = tmp2 & 0xF;
-            sc->phydev.device = (tmp2 >> 4) & 0x3F;
-    }
-
-    /* Force to 10 mbit half duplex if the 10/100 MAC is used with a 1000 PHY */
-    if (((sc->gb) && !(sc->gbit_mac)) || !((phyctrl >> 12) & 1)) {
-        write_mii(sc, phyaddr, 0, sc->sp << 13);
-
-        /* check if marvell 88EE1111 PHY. Needs special reset handling */
-        if ((phystatus & 1) && (sc->phydev.vendor == 0x005043) &&
-            (sc->phydev.device == 0x0C))
-            write_mii(sc, phyaddr, 0, 0x8000);
-
-        sc->gb = 0;
-        sc->sp = 0;
-        sc->fd = 0;
-    }
-    while ((read_mii(sc, phyaddr, 0)) & 0x8000) {}
-
-    if (sc->greth_rst) {
-        /* Reset ON */
-        regs->ctrl = GRETH_CTRL_RST | GRETH_CTRL_DD | GRETH_CTRL_ED;
-        for (i = 0; i < 100 && (regs->ctrl & GRETH_CTRL_RST); i++)
-            ;
-    }
-    /* Reset OFF. Set mode matching PHY settings. */
-    speed = (sc->gb << 8) | (sc->sp << 7) | (sc->fd << 4);
-    regs->ctrl = GRETH_CTRL_DD | sc->edcl_dis | speed;
-
-    /* Initialize rx/tx descriptor table pointers. Due to alignment we 
-     * always allocate maximum table size.
-     */
-    tabsize = sc->num_descs * 8;
-    sc->txdesc = (greth_rxtxdesc *) almalloc(tabsize * 2, tabsize);
-    sc->rxdesc = (greth_rxtxdesc *) (tabsize + (void *)sc->txdesc);
-    sc->tx_ptr = 0;
-    sc->tx_dptr = 0;
-    sc->tx_cnt = 0;
-    sc->rx_ptr = 0;
-
-    /* Translate the Descriptor DMA table base address into an address that
-     * the GRETH core can understand
-     */
-    drvmgr_translate_check(
-        sc->dev,
-        CPUMEM_TO_DMA,
-        (void *)sc->txdesc,
-        (void **)&sc->txdesc_remote,
-        tabsize * 2);
-    sc->rxdesc_remote = sc->txdesc_remote + tabsize;
-    regs->txdesc = (int) sc->txdesc_remote;
-    regs->rxdesc = (int) sc->rxdesc_remote;
-
-    sc->rxmbuf = grlib_calloc(sc->rxbufs, sizeof(*sc->rxmbuf));
-    sc->txmbuf = grlib_calloc(sc->txbufs, sizeof(*sc->txmbuf));
-
-    for (i = 0; i < sc->txbufs; i++)
-      {
-        sc->txdesc[i].ctrl = 0;
-        if (!(sc->gbit_mac)) {
-            drvmgr_translate_check(
-                sc->dev, 
-                CPUMEM_TO_DMA,
-                (void *)grlib_malloc(GRETH_MAXBUF_LEN),
-                (void **)&sc->txdesc[i].addr,
-                GRETH_MAXBUF_LEN);
-        }
-#ifdef GRETH_DEBUG
-              /* printf("TXBUF: %08x\n", (int) sc->txdesc[i].addr); */
-#endif
-      }
-    for (i = 0; i < sc->rxbufs; i++)
-      {
-         MGETHDR (m, M_WAIT, MT_DATA);
-          MCLGET (m, M_WAIT);
-          if (sc->gbit_mac)
-                  m->m_data += 2;
-	  m->m_pkthdr.rcvif = &sc->arpcom.ac_if;
-          sc->rxmbuf[i] = m;
-          drvmgr_translate_check(
-            sc->dev,
-            CPUMEM_TO_DMA,
-            (void *)mtod(m, uint32_t *),
-            (void **)&sc->rxdesc[i].addr,
-            GRETH_MAXBUF_LEN);
-          sc->rxdesc[i].ctrl = GRETH_RXD_ENABLE | GRETH_RXD_IRQ;
-#ifdef GRETH_DEBUG
-/* 	  printf("RXBUF: %08x\n", (int) sc->rxdesc[i].addr); */
-#endif
-      }
-    sc->rxdesc[sc->rxbufs - 1].ctrl |= GRETH_RXD_WRAP;
-
-    /* set ethernet address.  */
-    regs->mac_addr_msb = 
-      sc->arpcom.ac_enaddr[0] << 8 | sc->arpcom.ac_enaddr[1];
-    regs->mac_addr_lsb = 
-      sc->arpcom.ac_enaddr[2] << 24 | sc->arpcom.ac_enaddr[3] << 16 |
-      sc->arpcom.ac_enaddr[4] << 8 | sc->arpcom.ac_enaddr[5];
-
-    if ( sc->rxbufs < 10 ) {
-        sc->tx_int_gen = sc->tx_int_gen_cur = 1;
-    }else{
-        sc->tx_int_gen = sc->tx_int_gen_cur = sc->txbufs/2;
-    }
-    sc->next_tx_mbuf = NULL;
-
-    if ( !sc->gbit_mac )
-        sc->max_fragsize = 1;
-
-    /* clear all pending interrupts */
-    regs->status = 0xffffffff;
-
-    /* install interrupt handler */
-    drvmgr_interrupt_register(sc->dev, 0, "greth", greth_interrupt, sc);
-
-    regs->ctrl |= GRETH_CTRL_RXEN | GRETH_CTRL_RXIRQ;
-
-    print_init_info(sc);
-}
-
-#ifdef CPU_U32_FIX
-
-/*
- * Routine to align the received packet so that the ip header
- * is on a 32-bit boundary. Necessary for cpu's that do not
- * allow unaligned loads and stores and when the 32-bit DMA
- * mode is used.
- *
- * Transfers are done on word basis to avoid possibly slow byte
- * and half-word writes.
- */
-
-void ipalign(struct mbuf *m)
-{
-  unsigned int *first, *last, data;
-  unsigned int tmp = 0;
-
-  if ((((int) m->m_data) & 2) && (m->m_len)) {
-#if CPU_LITTLE_ENDIAN == TRUE
-    memmove((caddr_t)(((int) m->m_data) + 2), m->m_data, m->m_len);
-#else
-    last = (unsigned int *) ((((int) m->m_data) + m->m_len + 8) & ~3);
-    first = (unsigned int *) (((int) m->m_data) & ~3);
-		/* tmp = *first << 16; */
-		tmp = GRETH_MEM_LOAD(first);
-		tmp = tmp << 16;
-    first++;
-    do {
-			/* When snooping is not available the LDA instruction must be used
-			 * to avoid the cache to return an illegal value.
-			 ** Load with forced cache miss
-			 * data = *first; 
-			 */
-      data = GRETH_MEM_LOAD(first);
-      *first = tmp | (data >> 16);
-      tmp = data << 16;
-      first++;
-    } while (first <= last);
-#endif
-    m->m_data = (caddr_t)(((int) m->m_data) + 2);
-  }
-}
-#endif
-
-static void
-greth_Daemon (void *arg)
-{
-    struct ether_header *eh;
-    struct greth_softc *dp = (struct greth_softc *) arg;
-    struct ifnet *ifp = &dp->arpcom.ac_if;
-    struct mbuf *m;
-    unsigned int len, len_status, bad;
-    rtems_event_set events;
-    SPIN_IRQFLAGS(flags);
-    int first;
-    int tmp;
-
-    for (;;)
-      {
-        rtems_bsdnet_event_receive (INTERRUPT_EVENT | GRETH_TX_WAIT_EVENT,
-                                    RTEMS_WAIT | RTEMS_EVENT_ANY,
-                                    RTEMS_NO_TIMEOUT, &events);
-        
-        if ( events & GRETH_TX_WAIT_EVENT ){
-            /* TX interrupt.
-             * We only end up here when all TX descriptors has been used,
-             * and 
-             */
-            if ( dp->gbit_mac )
-                greth_process_tx_gbit(dp);
-            else
-                greth_process_tx(dp);
-            
-            /* If we didn't get a RX interrupt we don't process it */
-            if ( (events & INTERRUPT_EVENT) == 0 )
-                continue;
-        }
-        
-        
-#ifdef GRETH_ETH_DEBUG
-    printf ("r\n");
-#endif
-    first=1;
-    /* Scan for Received packets */
-again:
-    while (!((len_status =
-		    GRETH_MEM_LOAD(&dp->rxdesc[dp->rx_ptr].ctrl)) & GRETH_RXD_ENABLE))
-	    {
-                    bad = 0;
-                    if (len_status & GRETH_RXD_TOOLONG)
-                    {
-                            dp->rxLengthError++;
-                            bad = 1;
-                    }
-                    if (len_status & GRETH_RXD_DRIBBLE)
-                    {
-                            dp->rxNonOctet++;
-                            bad = 1;
-                    }
-                    if (len_status & GRETH_RXD_CRCERR)
-                    {
-                            dp->rxBadCRC++;
-                            bad = 1;
-                    }
-                    if (len_status & GRETH_RXD_OVERRUN)
-                    {
-                            dp->rxOverrun++;
-                            bad = 1;
-                    }
-                    if (len_status & GRETH_RXD_LENERR)
-                    {
-                            dp->rxLengthError++;
-                            bad = 1;
-                    }
-                    if (!bad)
-                    {
-                            /* pass on the packet in the receive buffer */
-                            len = len_status & 0x7FF;
-                            m = dp->rxmbuf[dp->rx_ptr];
-#ifdef GRETH_DEBUG
-                            int i;
-                            printf("RX: 0x%08x, Len: %d : ", (int) m->m_data, len);
-                            for (i=0; i<len; i++)
-                                    printf("%x%x", (m->m_data[i] >> 4) & 0x0ff, m->m_data[i] & 0x0ff);
-                            printf("\n");
-#endif
-                            m->m_len = m->m_pkthdr.len =
-                                    len - sizeof (struct ether_header);
-
-                            eh = mtod (m, struct ether_header *);
-
-                            m->m_data += sizeof (struct ether_header);
-#ifdef CPU_U32_FIX
-                            if(!dp->gbit_mac) {
-                                    /* OVERRIDE CACHED ETHERNET HEADER FOR NON-SNOOPING SYSTEMS */
-                                    tmp = GRETH_MEM_LOAD((uintptr_t)eh);
-                                    tmp = GRETH_MEM_LOAD(4+(uintptr_t)eh);
-                                    tmp = GRETH_MEM_LOAD(8+(uintptr_t)eh);
-                                    tmp = GRETH_MEM_LOAD(12+(uintptr_t)eh);
-				    (void)tmp;
-
-                                    ipalign(m);	/* Align packet on 32-bit boundary */
-                            }
-#endif
-/*
-                            if(!(dp->gbit_mac) && !CPU_SPARC_HAS_SNOOPING) {
-                                    rtems_cache_invalidate_entire_data();
-                            }
-*/
-                            ether_input (ifp, eh, m);
-                            MGETHDR (m, M_WAIT, MT_DATA);
-                            MCLGET (m, M_WAIT);
-                            if (dp->gbit_mac)
-                                    m->m_data += 2;
-                            dp->rxmbuf[dp->rx_ptr] = m;
-                            m->m_pkthdr.rcvif = ifp;
-                            drvmgr_translate_check(
-                                dp->dev,
-                                CPUMEM_TO_DMA,
-                                (void *)mtod (m, uint32_t *),
-                                (void **)&dp->rxdesc[dp->rx_ptr].addr,
-                                GRETH_MAXBUF_LEN);
-                            dp->rxPackets++;
-                    }
-                    if (dp->rx_ptr == dp->rxbufs - 1) {
-                            dp->rxdesc[dp->rx_ptr].ctrl = GRETH_RXD_ENABLE | GRETH_RXD_IRQ | GRETH_RXD_WRAP;
-                    } else {
-                            dp->rxdesc[dp->rx_ptr].ctrl = GRETH_RXD_ENABLE | GRETH_RXD_IRQ;
-                    }
-                    SPIN_LOCK_IRQ(&dp->devlock, flags);
-                    dp->regs->ctrl |= GRETH_CTRL_RXEN;
-                    SPIN_UNLOCK_IRQ(&dp->devlock, flags);
-                    dp->rx_ptr = (dp->rx_ptr + 1) % dp->rxbufs;
-            }
-
-        /* Always scan twice to avoid deadlock */
-        if ( first ){
-            first=0;
-            SPIN_LOCK_IRQ(&dp->devlock, flags);
-            dp->regs->ctrl |= GRETH_CTRL_RXIRQ;
-            SPIN_UNLOCK_IRQ(&dp->devlock, flags);
-            goto again;
-        }
-
-      }
-}
-
-static int
-sendpacket (struct ifnet *ifp, struct mbuf *m)
-{
-    struct greth_softc *dp = ifp->if_softc;
-    unsigned char *temp;
-    struct mbuf *n;
-    unsigned int len;
-    SPIN_IRQFLAGS(flags);
-
-    /*
-     * Is there a free descriptor available?
-     */
-    if (GRETH_MEM_LOAD(&dp->txdesc[dp->tx_ptr].ctrl) & GRETH_TXD_ENABLE){
-            /* No. */
-            return 1;
-    }
-    
-    /* Remember head of chain */
-    n = m;
-
-    len = 0;
-    temp = (unsigned char *) GRETH_MEM_LOAD(&dp->txdesc[dp->tx_ptr].addr);
-    drvmgr_translate(dp->dev, CPUMEM_FROM_DMA, (void *)temp, (void **)&temp);
-#ifdef GRETH_DEBUG
-    printf("TXD: 0x%08x : BUF: 0x%08x\n", (int) m->m_data, (int) temp);
-#endif
-    for (;;)
-    {
-#ifdef GRETH_DEBUG
-            int i;
-            printf("MBUF: 0x%08x : ", (int) m->m_data);
-            for (i=0;i<m->m_len;i++)
-                    printf("%x%x", (m->m_data[i] >> 4) & 0x0ff, m->m_data[i] & 0x0ff);
-            printf("\n");
-#endif
-            len += m->m_len;
-            if (len <= RBUF_SIZE)
-                    memcpy ((void *) temp, (char *) m->m_data, m->m_len);
-            temp += m->m_len;
-            if ((m = m->m_next) == NULL)
-                    break;
-    }
-
-    m_freem (n);
-
-    /* don't send long packets */
-
-    if (len <= GRETH_MAXBUF_LEN) {
-            if (dp->tx_ptr < dp->txbufs-1) {
-                    dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_IRQ |
-                                                  GRETH_TXD_ENABLE | len;
-            } else {
-                    dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_IRQ |
-                            GRETH_TXD_WRAP | GRETH_TXD_ENABLE | len;
-            }
-            dp->tx_ptr = (dp->tx_ptr + 1) % dp->txbufs;
-            SPIN_LOCK_IRQ(&dp->devlock, flags);
-            dp->regs->ctrl = dp->regs->ctrl | GRETH_CTRL_TXEN;
-            SPIN_UNLOCK_IRQ(&dp->devlock, flags);
-    }
-
-    return 0;
-}
-
-
-static int
-sendpacket_gbit (struct ifnet *ifp, struct mbuf *m)
-{
-        struct greth_softc *dp = ifp->if_softc;
-        unsigned int len;
-        
-        unsigned int ctrl;
-        int frags;
-        struct mbuf *mtmp;
-        int int_en;
-        SPIN_IRQFLAGS(flags);
-
-        len = 0;
-#ifdef GRETH_DEBUG
-        printf("TXD: 0x%08x\n", (int) m->m_data);
-#endif
-        /* Get number of fragments too see if we have enough
-         * resources.
-         */
-        frags=1;
-        mtmp=m;
-        while(mtmp->m_next){
-            frags++;
-            mtmp = mtmp->m_next;
-        }
-
-        if ( frags > dp->max_fragsize ) 
-            dp->max_fragsize = frags;
-        
-        if ( frags > dp->txbufs ){
-            printf("GRETH: MBUF-chain cannot be sent. Increase descriptor count.\n");
-            return -1;
-        }
-        
-        if ( frags > (dp->txbufs-dp->tx_cnt) ){
-            /* Return number of fragments */
-            return frags;
-        }
-        
-        
-        /* Enable interrupt from descriptor every tx_int_gen
-         * descriptor. Typically every 16 descriptor. This
-         * is only to reduce the number of interrupts during
-         * heavy load.
-         */
-        dp->tx_int_gen_cur-=frags;
-        if ( dp->tx_int_gen_cur <= 0 ){
-            dp->tx_int_gen_cur = dp->tx_int_gen;
-            int_en = GRETH_TXD_IRQ;
-        }else{
-            int_en = 0;
-        }
-        
-        /* At this stage we know that enough descriptors are available */
-        for (;;)
-        {
-                
-#ifdef GRETH_DEBUG
-            int i;
-            printf("MBUF: 0x%08x, Len: %d : ", (int) m->m_data, m->m_len);
-            for (i=0; i<m->m_len; i++)
-                printf("%x%x", (m->m_data[i] >> 4) & 0x0ff, m->m_data[i] & 0x0ff);
-            printf("\n");
-#endif
-            len += m->m_len;
-            drvmgr_translate_check(
-                dp->dev,
-                CPUMEM_TO_DMA,
-                (void *)(uint32_t *)m->m_data,
-                (void **)&dp->txdesc[dp->tx_ptr].addr,
-                m->m_len);
-
-            /* Wrap around? */
-            if (dp->tx_ptr < dp->txbufs-1) {
-                ctrl = GRETH_TXD_ENABLE;
-            }else{
-                ctrl = GRETH_TXD_ENABLE | GRETH_TXD_WRAP;
-            }
-
-            /* Enable Descriptor */  
-            if ((m->m_next) == NULL) {
-                dp->txdesc[dp->tx_ptr].ctrl = ctrl | int_en | m->m_len;
-                break;
-            }else{
-                dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_MORE | ctrl | int_en | m->m_len;
-            }
-
-            /* Next */
-            dp->txmbuf[dp->tx_ptr] = m;
-            dp->tx_ptr = (dp->tx_ptr + 1) % dp->txbufs;
-            dp->tx_cnt++;
-            m = m->m_next;
-        }
-        dp->txmbuf[dp->tx_ptr] = m;
-        dp->tx_ptr = (dp->tx_ptr + 1) % dp->txbufs;
-        dp->tx_cnt++;
-      
-        /* Tell Hardware about newly enabled descriptor */
-        SPIN_LOCK_IRQ(&dp->devlock, flags);
-        dp->regs->ctrl = dp->regs->ctrl | GRETH_CTRL_TXEN;
-        SPIN_UNLOCK_IRQ(&dp->devlock, flags);
-
-        return 0;
-}
-
-int greth_process_tx_gbit(struct greth_softc *sc)
-{
-    struct ifnet *ifp = &sc->arpcom.ac_if;
-    struct mbuf *m;
-    SPIN_IRQFLAGS(flags);
-    int first=1;
-
-    /*
-     * Send packets till queue is empty
-     */
-    for (;;){
-        /* Reap Sent packets */
-        while((sc->tx_cnt > 0) && !(GRETH_MEM_LOAD(&sc->txdesc[sc->tx_dptr].ctrl) & GRETH_TXD_ENABLE)) {
-            m_free(sc->txmbuf[sc->tx_dptr]);
-            sc->tx_dptr = (sc->tx_dptr + 1) % sc->txbufs;
-            sc->tx_cnt--;
-        }
-        
-        if ( sc->next_tx_mbuf ){
-            /* Get packet we tried but faild to transmit last time */
-            m = sc->next_tx_mbuf;
-            sc->next_tx_mbuf = NULL; /* Mark packet taken */
-        }else{
-            /*
-             * Get the next mbuf chain to transmit from Stack.
-             */
-            IF_DEQUEUE (&ifp->if_snd, m);
-            if (!m){
-                /* Hardware has sent all schedule packets, this
-                 * makes the stack enter at greth_start next time
-                 * a packet is to be sent.
-                 */
-                ifp->if_flags &= ~IFF_OACTIVE;
-                break;
-            }
-        }
-
-        /* Are there free descriptors available? */
-        /* Try to send packet, if it a negative number is returned. */
-        if ( (sc->tx_cnt >= sc->txbufs) || sendpacket_gbit(ifp, m) ){
-            /* Not enough resources */
-             
-            /* Since we have taken the mbuf out of the "send chain"
-             * we must remember to use that next time we come back.
-             * or else we have dropped a packet.
-             */
-            sc->next_tx_mbuf = m;
-            
-            /* Not enough resources, enable interrupt for transmissions
-             * this way we will be informed when more TX-descriptors are 
-             * available.
-             */
-            if ( first ){
-                first = 0;
-                SPIN_LOCK_IRQ(&sc->devlock, flags);
-                ifp->if_flags |= IFF_OACTIVE;
-                sc->regs->ctrl |= GRETH_CTRL_TXIRQ;
-                SPIN_UNLOCK_IRQ(&sc->devlock, flags);
-                
-                /* We must check again to be sure that we didn't 
-                 * miss an interrupt (if a packet was sent just before
-                 * enabling interrupts)
-                 */
-                continue;
-            }
-
-            return -1;
-        }else{
-            /* Sent Ok, proceed to process more packets if available */
-        }
-    }
-    return 0;
-}
-
-int greth_process_tx(struct greth_softc *sc)
-{
-    struct ifnet *ifp = &sc->arpcom.ac_if;
-    struct mbuf *m;
-    SPIN_IRQFLAGS(flags);
-    int first=1;
-
-    /*
-     * Send packets till queue is empty
-     */
-    for (;;){
-        if ( sc->next_tx_mbuf ){
-            /* Get packet we tried but failed to transmit last time */
-            m = sc->next_tx_mbuf;
-            sc->next_tx_mbuf = NULL; /* Mark packet taken */
-        }else{
-            /*
-             * Get the next mbuf chain to transmit from Stack.
-             */
-            IF_DEQUEUE (&ifp->if_snd, m);
-            if (!m){
-                /* Hardware has sent all schedule packets, this
-                 * makes the stack enter at greth_start next time
-                 * a packet is to be sent.
-                 */
-                ifp->if_flags &= ~IFF_OACTIVE;
-                break;
-            }
-        }
-
-        /* Try to send packet, failed if it a non-zero number is returned. */
-        if ( sendpacket(ifp, m) ){
-            /* Not enough resources */
-             
-            /* Since we have taken the mbuf out of the "send chain"
-             * we must remember to use that next time we come back.
-             * or else we have dropped a packet.
-             */
-            sc->next_tx_mbuf = m;
-            
-            /* Not enough resources, enable interrupt for transmissions
-             * this way we will be informed when more TX-descriptors are 
-             * available.
-             */
-            if ( first ){
-                first = 0;
-                SPIN_LOCK_IRQ(&sc->devlock, flags);
-                ifp->if_flags |= IFF_OACTIVE;
-                sc->regs->ctrl |= GRETH_CTRL_TXIRQ;
-                SPIN_UNLOCK_IRQ(&sc->devlock, flags);
-
-                /* We must check again to be sure that we didn't 
-                 * miss an interrupt (if a packet was sent just before
-                 * enabling interrupts)
-                 */
-                continue;
-            }
-
-            return -1;
-        }else{
-            /* Sent Ok, proceed to process more packets if available */
-        }
-    }
-    return 0;
-}
-
-static void
-greth_start (struct ifnet *ifp)
-{
-    struct greth_softc *sc = ifp->if_softc;
-    
-    if ( ifp->if_flags & IFF_OACTIVE )
-            return;
-    
-    if ( sc->gbit_mac ){
-        /* No use trying to handle this if we are waiting on GRETH
-         * to send the previously scheduled packets.
-         */
-        
-        greth_process_tx_gbit(sc);
-    }else{
-        greth_process_tx(sc);
-    }
-    
-}
-
-/*
- * Initialize and start the device
- */
-static void
-greth_init (void *arg)
-{
-    struct greth_softc *sc = arg;
-    struct ifnet *ifp = &sc->arpcom.ac_if;
-    char name[4] = {'E', 'T', 'H', '0'};
-
-    if (sc->daemonTid == 0)
-      {
-          /*
-           * Start driver tasks
-           */
-          name[3] += sc->minor;
-          sc->daemonTid = rtems_bsdnet_newproc (name, 4096,
-                                                greth_Daemon, sc);
-
-          /*
-           * Set up GRETH hardware
-           */
-          greth_initialize_hardware (sc);
-      }
-
-    /*
-     * Setup promiscous/multi-cast MAC address filters if user enabled it
-     */
-    greth_mac_filter_set(sc);
-
-    /*
-     * Tell the world that we're running.
-     */
-    ifp->if_flags |= IFF_RUNNING;
-}
-
-/*
- * Stop the device
- */
-static void
-greth_stop (struct greth_softc *sc)
-{
-    struct ifnet *ifp = &sc->arpcom.ac_if;
-    SPIN_IRQFLAGS(flags);
-    unsigned int speed;
-
-    SPIN_LOCK_IRQ(&sc->devlock, flags);
-    ifp->if_flags &= ~IFF_RUNNING;
-
-    speed = sc->regs->ctrl & (GRETH_CTRL_GB | GRETH_CTRL_SP | GRETH_CTRL_FULLD);
-
-    /* RX/TX OFF */
-    sc->regs->ctrl = GRETH_CTRL_DD | GRETH_CTRL_ED | speed;
-    /* Reset ON */
-    if (sc->greth_rst)
-        sc->regs->ctrl = GRETH_CTRL_RST | GRETH_CTRL_DD | GRETH_CTRL_ED | speed;
-    /* Reset OFF and restore link settings previously detected if any */
-    sc->regs->ctrl = GRETH_CTRL_DD | sc->edcl_dis | speed;
-    SPIN_UNLOCK_IRQ(&sc->devlock, flags);
-
-    sc->next_tx_mbuf = NULL;
-}
-
-
-/*
- * Show interface statistics
- */
-static void
-greth_stats (struct greth_softc *sc)
-{
-  printf ("      Rx Interrupts:%-8lu", sc->rxInterrupts);
-  printf ("      Rx Packets:%-8lu", sc->rxPackets);
-  printf ("          Length:%-8lu", sc->rxLengthError);
-  printf ("       Non-octet:%-8lu\n", sc->rxNonOctet);
-  printf ("            Bad CRC:%-8lu", sc->rxBadCRC);
-  printf ("         Overrun:%-8lu", sc->rxOverrun);
-  printf ("      Tx Interrupts:%-8lu", sc->txInterrupts);
-  printf ("      Maximal Frags:%-8d", sc->max_fragsize);
-  printf ("      GBIT MAC:%-8d", sc->gbit_mac);
-}
-
-/*
- * Driver ioctl handler
- */
-static int
-greth_ioctl (struct ifnet *ifp, ioctl_command_t command, caddr_t data)
-{
-    struct greth_softc *sc = ifp->if_softc;
-    int error = 0;
-    struct ifreq *ifr;
-
-    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:
-		greth_stop (sc);
-                break;
-
-	    case IFF_UP:
-		greth_init (sc);
-		break;
-
-	    case IFF_UP | IFF_RUNNING:
-		greth_stop (sc);
-		greth_init (sc);
-		break;
-       default:
-		break;
-	    }
-	  break;
-
-      case SIO_RTEMS_SHOW_STATS:
-	  greth_stats (sc);
-	  break;
-
-	  /*
-	   * Multicast commands: Enabling/disabling filtering of MAC addresses
-	   */
-      case SIOCADDMULTI:
-      case SIOCDELMULTI:
-      ifr = (struct ifreq *)data;
-      if (command == SIOCADDMULTI) {
-        error = ether_addmulti(ifr, &sc->arpcom);
-      } else {
-        error = ether_delmulti(ifr, &sc->arpcom);
-      }
-      if (error == ENETRESET) {
-        error = greth_mac_filter_set(sc);
-      }
-      break;
-
-      default:
-	  error = EINVAL;
-	  break;
-      }
-
-    return error;
-}
-
-/*
- * Attach an GRETH driver to the system
- */
-static int
-greth_interface_driver_attach (
-    struct rtems_bsdnet_ifconfig *config,
-    int attach
-    )
-{
-    struct greth_softc *sc;
-    struct ifnet *ifp;
-    int mtu;
-    int unitNumber;
-    char *unitName;
-    
-      /* parse driver name */
-    if ((unitNumber = rtems_bsdnet_parse_driver_name (config, &unitName)) < 0)
-	return 0;
-
-    sc = config->drv_ctrl;
-    ifp = &sc->arpcom.ac_if;
-#ifdef GRETH_DEBUG
-    printf("GRETH[%d]: %s, sc %p, dev %p on %s\n", unitNumber, config->ip_address, sc, sc->dev, sc->dev->parent->dev->name);
-#endif
-    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 = unitNumber;
-    ifp->if_name = unitName;
-    ifp->if_mtu = mtu;
-    ifp->if_init = greth_init;
-    ifp->if_ioctl = greth_ioctl;
-    ifp->if_start = greth_start;
-    ifp->if_output = ether_output;
-    ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
-    if (sc->mc_available)
-        ifp->if_flags |= IFF_MULTICAST;
-    if (ifp->if_snd.ifq_maxlen == 0)
-	ifp->if_snd.ifq_maxlen = ifqmaxlen;
-
-    /*
-     * Attach the interface
-     */
-    if_attach (ifp);
-    ether_ifattach (ifp);
-
-#ifdef GRETH_DEBUG
-    printf ("GRETH : driver has been attached\n");
-#endif
-    return 1;
-}
-
-/******************* Driver manager interface ***********************/
-
-/* Driver prototypes */
-int greth_register_io(rtems_device_major_number *m);
-int greth_device_init(struct greth_softc *sc);
-int network_interface_add(struct rtems_bsdnet_ifconfig *interface);
-
-#ifdef GRETH_INFO_AVAIL
-static int greth_info(
-	struct drvmgr_dev *dev,
-	void (*print_line)(void *p, char *str),
-	void *p, int argc, char *argv[]);
-#define GRETH_INFO_FUNC greth_info
-#else
-#define GRETH_INFO_FUNC NULL
-#endif
-
-int greth_init2(struct drvmgr_dev *dev);
-int greth_init3(struct drvmgr_dev *dev);
-
-struct drvmgr_drv_ops greth_ops = 
-{
-	.init	=
-		{
-			NULL,
-			greth_init2,
-			greth_init3,
-			NULL
-		},
-	.remove = NULL,
-	.info = GRETH_INFO_FUNC,
-};
-
-struct amba_dev_id greth_ids[] = 
-{
-	{VENDOR_GAISLER, GAISLER_ETHMAC},
-	{0, 0}		/* Mark end of table */
-};
-
-struct amba_drv_info greth_drv_info =
-{
-	{
-		DRVMGR_OBJ_DRV,			/* Driver */
-		NULL,				/* Next driver */
-		NULL,				/* Device list */
-		DRIVER_AMBAPP_GAISLER_GRETH_ID,	/* Driver ID */
-		"GRETH_DRV",			/* Driver Name */
-		DRVMGR_BUS_TYPE_AMBAPP,		/* Bus Type */
-		&greth_ops,
-		NULL,				/* Funcs */
-		0,				/* No devices yet */
-		0,
-	},
-	&greth_ids[0]
-};
-
-void greth_register_drv (void)
-{
-	DBG("Registering GRETH driver\n");
-	drvmgr_drv_register(&greth_drv_info.general);
-}
-
-int greth_init2(struct drvmgr_dev *dev)
-{
-	struct greth_softc *priv;
-
-	DBG("GRETH[%d] on bus %s\n", dev->minor_drv, dev->parent->dev->name);
-	priv = dev->priv = grlib_calloc(1, sizeof(*priv));
-	if ( !priv )
-		return DRVMGR_NOMEM;
-	priv->dev = dev;
-
-	/* This core will not find other cores, so we wait for init3() */
-
-	return DRVMGR_OK;
-}
-
-int greth_init3(struct drvmgr_dev *dev)
-{
-    struct greth_softc *sc;
-    struct rtems_bsdnet_ifconfig *ifp;
-    rtems_status_code status;
-
-    sc = dev->priv;
-    sprintf(sc->devName, "gr_eth%d", (dev->minor_drv+1));
-
-    /* Init GRETH device */
-    if ( greth_device_init(sc) ) {
-        printk("GRETH: Failed to init device\n");
-        return DRVMGR_FAIL;
-    }
-
-    /* Initialize Spin-lock for GRSPW Device. This is to protect
-     * CTRL and DMACTRL registers from ISR.
-     */
-    SPIN_INIT(&sc->devlock, sc->devName);
-
-    /* Register GRETH device as an Network interface */
-    ifp = grlib_calloc(1, sizeof(*ifp));
-
-    ifp->name = sc->devName;
-    ifp->drv_ctrl = sc;
-    ifp->attach = greth_interface_driver_attach;
-
-    status = network_interface_add(ifp);
-    if (status != 0) {
-        return DRVMGR_FAIL;
-    }
-
-    return DRVMGR_OK;
-}
-
-int greth_device_init(struct greth_softc *sc)
-{
-    struct amba_dev_info *ambadev;
-    struct ambapp_core *pnpinfo;
-    union drvmgr_key_value *value;
-    unsigned int speed;
-    int i, nrd;
-
-    /* Get device information from AMBA PnP information */
-    ambadev = (struct amba_dev_info *)sc->dev->businfo;
-    if ( ambadev == NULL ) {
-        return -1;
-    }
-    pnpinfo = &ambadev->info;
-    sc->regs = (greth_regs *)pnpinfo->apb_slv->start;
-    sc->minor = sc->dev->minor_drv;
-    sc->greth_rst = 1;
-
-    /* Remember EDCL enabled/disable state before reset */
-    sc->edcl_dis = sc->regs->ctrl & GRETH_CTRL_ED;
-
-    /* Default is to inherit EDCL Disable bit from HW. User can force En/Dis */
-    value = drvmgr_dev_key_get(sc->dev, "edclDis", DRVMGR_KT_INT);
-    if ( value ) {
-        /* Force EDCL mode. Has an effect later when GRETH+PHY is initialized */
-        if (value->i > 0) {
-            sc->edcl_dis = GRETH_CTRL_ED;
-        } else {
-            /* Default to avoid soft-reset the GRETH when EDCL is forced */
-            sc->edcl_dis = 0;
-            sc->greth_rst = 0;
-	}
-    }
-
-    /* let user control soft-reset of GRETH (for debug) */
-    value = drvmgr_dev_key_get(sc->dev, "soft-reset", DRVMGR_KT_INT);
-    if ( value) {
-        sc->greth_rst = value->i ? 1 : 0;
-    }
-
-    /* clear control register and reset NIC and keep current speed modes.
-     * This should be done as quick as possible during startup, this is to
-     * stop DMA transfers after a reboot.
-     *
-     * When EDCL is forced enabled reset is skipped, disabling RX/TX DMA is
-     * is enough during debug.
-     */
-    speed = sc->regs->ctrl & (GRETH_CTRL_GB | GRETH_CTRL_SP | GRETH_CTRL_FULLD);
-    sc->regs->ctrl = GRETH_CTRL_DD | GRETH_CTRL_ED | speed;
-    if (sc->greth_rst)
-        sc->regs->ctrl = GRETH_CTRL_RST | GRETH_CTRL_DD | GRETH_CTRL_ED | speed;
-    sc->regs->ctrl = GRETH_CTRL_DD | sc->edcl_dis | speed;
-
-    /* Configure driver by overriding default config with the bus resources 
-     * configured by the user
-     */
-    sc->txbufs = 32;
-    sc->rxbufs = 32;
-    sc->phyaddr = -1;
-
-    /* Probe the number of descriptors available the */
-    nrd = (sc->regs->status & GRETH_STATUS_NRD) >> 24;
-    for (sc->num_descs = 128, i = 0; i < nrd; i++)
-        sc->num_descs = sc->num_descs * 2;
-
-    value = drvmgr_dev_key_get(sc->dev, "txDescs", DRVMGR_KT_INT);
-    if ( value && (value->i <= sc->num_descs) )
-        sc->txbufs = value->i;
-
-    value = drvmgr_dev_key_get(sc->dev, "rxDescs", DRVMGR_KT_INT);
-    if ( value && (value->i <= sc->num_descs) )
-        sc->rxbufs = value->i;
-
-    value = drvmgr_dev_key_get(sc->dev, "phyAdr", DRVMGR_KT_INT);
-    if ( value && (value->i < 32) )
-        sc->phyaddr = value->i;
-
-    value = drvmgr_dev_key_get(sc->dev, "advModes", DRVMGR_KT_INT);
-    if ( value )
-        sc->advmodes = value->i;
-
-    /* Check if multicast support is available */
-    sc->mc_available = sc->regs->ctrl & GRETH_CTRL_MC;
-
-    return 0;
-}
-
-#ifdef GRETH_INFO_AVAIL
-static int greth_info(
-	struct drvmgr_dev *dev,
-	void (*print_line)(void *p, char *str),
-	void *p, int argc, char *argv[])
-{
-	struct greth_softc *sc;
-	char buf[64];
-
-	if (dev->priv == NULL)
-		return -DRVMGR_EINVAL;
-	sc = dev->priv;
-
-	sprintf(buf, "IFACE NAME:  %s", sc->devName);
-	print_line(p, buf);
-	sprintf(buf, "GBIT MAC:    %s", sc->gbit_mac ? "YES" : "NO");
-	print_line(p, buf);
-
-	return DRVMGR_OK;
-}
-#endif
-
-#endif