source: rtems/bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c @ a2aec0b7

/* Author: T. Straumann <strauman@slac.stanford.edu>; see ../../LICENSE */
#include "rtemscompat_defs.h"
#include "../porting/rtemscompat.h"
#include "gtethreg.h"

#include <bsp/early_enet_link_status.h>
#include <bsp/if_gfe_pub.h>
#include <bsp/irq.h>

/* from if_gfe.c */
#define GE_READ(sc, reg) \
        bus_space_read_4((sc)->sc_gt_memt, (sc)->sc_memh, ETH__ ## reg)
#define GE_WRITE(sc, reg, v) \
        bus_space_write_4((sc)->sc_gt_memt, (sc)->sc_memh, ETH__ ## reg, (v))

#define GT_READ(sc, reg) \
        bus_space_read_4((sc)->sc_gt_memt, (sc)->sc_gt_memh, reg)
#define GT_WRITE(sc, reg, v) \
        bus_space_write_4((sc)->sc_gt_memt, (sc)->sc_gt_memh, reg, (v))

#include "../porting/if_xxx_rtems.c"

#include <bsp.h>
#include <libcpu/io.h>

int
NET_EMBEMB(rtems_,NETDRIVER_PREFIX,_setup)(
        int                                     unit,
        char                            *ea,
        uint32_t                        base_addr)
{
struct NET_SOFTC *sc;

        if ( !ea ) {
                fprintf(stderr,"Station address argument missing\n");
                return 0;
        }

        if ( !(sc=net_drv_check_unit(unit)) ) {
                fprintf(stderr,"Bad unit number -- (not enought driver slots?)\n");
                return 0;
        }

        unit--;

#ifdef DEBUG_MODULAR
        if ( !METHODSPTR ) {
                fprintf(stderr,"Methods not set -- module not loaded?\n");
                return 0;
        }
#endif

        if ( !base_addr ) {
#ifdef BSP_MV64x60_BASE
                base_addr = BSP_MV64x60_BASE;
#else
                fprintf(stderr,"Missing GT64260 base address\n");
                return 0;
#endif
        }
        sc->sc_gt_memh = base_addr;
        /* must set this as well to indicate that the device is set up */
        sc->NET_SOFTC_BHANDLE_FIELD = base_addr + 0x2400 + (unit<<10);
        sc->sc_macno   = unit;
        memcpy( sc->arpcom.ac_enaddr, ea, ETHER_ADDR_LEN);

        if ( 0 == METHODSPTR->n_probe(&THEDEVS[unit]) ) {
                printf(NETDRIVER": Unit %i set up\n", unit + 1);
                sc->irq_no = BSP_IRQ_ETH0 + unit;
                return 1;
        }
        return 0;
}

static int
gfe_early_init(int idx)
{
struct gfe_softc        *sc;
uint32_t                        d;

        if ( idx < 0 || idx >= NETDRIVER_SLOTS )
                return -1;

        sc = device_get_softc(&the_gfe_devs[idx]);
        d  = bus_space_read_4(sc->sc_gt_memt, sc->sc_gt_memh, ETH_EPAR);

        sc->sc_phyaddr      = ETH_EPAR_PhyAD_GET(d, sc->sc_macno);
        sc->sc_dev.dv_xname = NETDRIVER;
        return 0;
}

static int
gfe_early_read_phy(int idx, unsigned reg)
{
uint32_t rval;
struct gfe_softc        *sc;

        if ( idx < 0 || idx >= NETDRIVER_SLOTS )
                return -1;

        sc = device_get_softc(&the_gfe_devs[idx]);

        if ( gfe_mii_read( 0, sc, reg, &rval) )
                return -1;
        return rval & 0xffff;
}


static int
gfe_early_write_phy(int idx, unsigned reg, unsigned val)
{
struct gfe_softc        *sc;

        if ( idx < 0 || idx >= NETDRIVER_SLOTS )
                return -1;

        sc = device_get_softc(&the_gfe_devs[idx]);

        return gfe_mii_write( 0, sc, reg, val);
}

rtems_bsdnet_early_link_check_ops
rtems_gfe_early_link_check_ops = {
        init:           gfe_early_init,
        read_phy:       gfe_early_read_phy,
        write_phy:      gfe_early_write_phy,
        name:           NETDRIVER,
        num_slots:      NETDRIVER_SLOTS
};