diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-01-03 23:59:19 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-01-03 23:59:19 +0000 |
commit | e3a353aa860694d596218d6f5cb6d9cbe5c099ad (patch) | |
tree | d371685b3d368f660264653e776edc6cc0bc832a /sys/arch | |
parent | 856f5945d972a187640b2b56111104f645f9081f (diff) |
ie driver, needs MI part, which involves sparc testing and (most likely) i386 rewrite hehe (;
Diffstat (limited to 'sys/arch')
-rw-r--r-- | sys/arch/hppa/gsc/if_ie_gsc.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/sys/arch/hppa/gsc/if_ie_gsc.c b/sys/arch/hppa/gsc/if_ie_gsc.c new file mode 100644 index 00000000000..a0aa41e9180 --- /dev/null +++ b/sys/arch/hppa/gsc/if_ie_gsc.c @@ -0,0 +1,361 @@ +/* $OpenBSD: if_ie_gsc.c,v 1.1 1999/01/03 23:59:18 mickey Exp $ */ + +/* + * Copyright (c) 1998 Michael Shalayeff + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Michael Shalayeff. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/socket.h> +#include <sys/sockio.h> + +#include <vm/vm.h> +#include <vm/vm_kern.h> +#include <vm/pmap.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <net/if_types.h> +#include <net/if_media.h> + +#include <netinet/in.h> +#include <netinet/if_ether.h> + +#include <machine/bus.h> +#include <machine/intr.h> +#include <machine/iomod.h> +#include <machine/autoconf.h> + +#include <hppa/dev/cpudevs.h> +#include <hppa/gsc/gscbusvar.h> + +#include <dev/ic/i82586reg.h> +#include <dev/ic/i82586var.h> + +#define IEGSC_GECKO IEMD_FLAG0 + +struct ie_gsc_regs { + u_int32_t ie_reset; + u_int32_t ie_port; +#define IE_PORT_RESET 0 +#define IE_PORT_TEST 1 +#define IE_PORT_SCP 2 +#define IE_PORT_DUMP 3 + u_int32_t ie_attn; +}; + +#define IE_SCB 0x001e +#define IE_ISCP 0x0040 +#define IE_SCP 0x0060 +#define IE_BUF 0x1000 +#define IE_EBUF IE_SIZE +#define IE_SIZE 0x4000 + +int ie_gsc_probe __P((struct device *, void *, void *)); +void ie_gsc_attach __P((struct device *, struct device *, void *)); + +struct cfattach ie_gsc_ca = { + sizeof(struct ie_softc), ie_gsc_probe, ie_gsc_attach +}; + +static int ie_media[] = { + IFM_ETHER | IFM_10_2, +}; +#define IE_NMEDIA (sizeof(ie_media) / sizeof(ie_media[0])) + +void ie_gsc_reset __P((struct ie_softc *sc, int what)); +int ie_gsc_intrhook __P((struct ie_softc *sc, int what)); +void ie_gsc_attend __P((struct ie_softc *sc)); +void ie_gsc_run __P((struct ie_softc *sc)); +u_int16_t ie_gsc_read16 __P((struct ie_softc *sc, int offset)); +void ie_gsc_write16 __P((struct ie_softc *sc, int offset, u_int16_t v)); +void ie_gsc_write24 __P((struct ie_softc *sc, int offset, int addr)); +void ie_gsc_memcopyin __P((struct ie_softc *sc, void *p, int offset, size_t)); +void ie_gsc_memcopyout __P((struct ie_softc *sc, const void *p, int, size_t)); + + +void +ie_gsc_reset(sc, what) + struct ie_softc *sc; + int what; +{ + register volatile struct ie_gsc_regs *r = sc->sc_reg; + + r->ie_reset = 0; +} + +void +ie_gsc_attend(sc) + struct ie_softc *sc; +{ + register volatile struct ie_gsc_regs *r = sc->sc_reg; + + r->ie_attn = 0; +} + +void +ie_gsc_run(sc) + struct ie_softc *sc; +{ +} + +int +ie_gsc_intrhook(sc, where) + struct ie_softc *sc; + int where; +{ + return 0; +} + +u_int16_t +ie_gsc_read16(sc, offset) + struct ie_softc *sc; + int offset; +{ + return *(u_int16_t *)(sc->bh + offset); +} + +void +ie_gsc_write16(sc, offset, v) + struct ie_softc *sc; + int offset; + u_int16_t v; +{ + *(u_int16_t *)(sc->bh + offset) = v; +} + +void +ie_gsc_write24(sc, offset, addr) + struct ie_softc *sc; + int offset; + int addr; +{ + *(u_int16_t *)(sc->bh + offset + 0) = (addr ) & 0xffff; + *(u_int16_t *)(sc->bh + offset + 2) = (addr >> 16) & 0xffff; +} + +void +ie_gsc_memcopyin(sc, p, offset, size) + struct ie_softc *sc; + void *p; + int offset; + size_t size; +{ + register const u_int16_t *src = (void *)((u_long)sc->bh + offset); + register u_int16_t *dst = p; +#ifdef DIAGNOSTIC + if (size & 1) + panic ("ie_gsc_memcopyin: odd size"); +#endif + bus_space_barrier(sc->bt, sc->bh, offset, size, + BUS_SPACE_BARRIER_READ); + for (; size; size -= 2) + *dst++ = *src++; +} + +void +ie_gsc_memcopyout(sc, p, offset, size) + struct ie_softc *sc; + const void *p; + int offset; + size_t size; +{ + register u_int16_t *dst = (void *)((u_long)sc->bh + offset); + register const u_int16_t *src = p; +#ifdef DIAGNOSTIC + if (size & 1) + panic ("ie_gsc_memcopyout: odd size"); +#endif + for (; size; size -= 2) + *dst++ = *src++; + bus_space_barrier(sc->bt, sc->bh, offset, size, + BUS_SPACE_BARRIER_WRITE); +} + + +int +ie_gsc_probe(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + register struct gsc_attach_args *ga = aux; + bus_space_handle_t ioh; + int rv; + + if (ga->ga_type.iodc_type != HPPA_TYPE_FIO || + (ga->ga_type.iodc_sv_model != HPPA_FIO_LAN && + ga->ga_type.iodc_sv_model != HPPA_FIO_GLAN)) + return 0; + + if (bus_space_map(ga->ga_iot, ga->ga_hpa, IOMOD_HPASIZE, 0, &ioh)) + return 0; + + rv = 1 /* i82586_probe(ga->ga_iot, ioh) */; + + bus_space_unmap(ga->ga_iot, ioh, IOMOD_HPASIZE); + return rv; +} + +void +ie_gsc_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct pdc_lan_station_id pdc_mac PDC_ALIGNMENT; + register struct ie_softc *sc = (struct ie_softc *)self; + register struct gsc_attach_args *ga = aux; + register u_int32_t a; + register int i; + + if (ga->ga_type.iodc_sv_model == HPPA_FIO_GLAN) + sc->sc_flags |= IEGSC_GECKO; + + if ((i = pdc_call((iodcio_t)pdc, 0, PDC_LAN_STATION_ID, + PDC_LAN_STATION_ID_READ, &pdc_mac, ga->ga_hpa)) < 0){ + pdc_mac.addr[0] = ((u_int8_t *)ASP_PROM)[0]; + pdc_mac.addr[1] = ((u_int8_t *)ASP_PROM)[1]; + pdc_mac.addr[2] = ((u_int8_t *)ASP_PROM)[2]; + pdc_mac.addr[3] = ((u_int8_t *)ASP_PROM)[3]; + pdc_mac.addr[4] = ((u_int8_t *)ASP_PROM)[4]; + pdc_mac.addr[5] = ((u_int8_t *)ASP_PROM)[5]; + } + + sc->bt = ga->ga_iot; + if (bus_space_map(sc->bt, ga->ga_hpa, IOMOD_HPASIZE, + 0, (bus_space_handle_t *)&sc->sc_reg)) + panic("ie_gsc_attach: couldn't map I/O ports"); + + sc->hwreset = ie_gsc_reset; + sc->chan_attn = ie_gsc_attend; + sc->hwinit = ie_gsc_run; + sc->intrhook = ie_gsc_intrhook; + sc->memcopyout = ie_gsc_memcopyout; + sc->memcopyin = ie_gsc_memcopyin; + sc->ie_bus_read16 = ie_gsc_read16; + sc->ie_bus_write16 = ie_gsc_write16; + sc->ie_bus_write24 = ie_gsc_write24; + + sc->sc_msize = IE_SIZE; + if (!(sc->bh = (bus_space_handle_t) + kmem_malloc(kmem_map, sc->sc_msize, 0))) { + printf (": cannot allocate %d bytes for IO\n", IE_SIZE); + return; + } + + bzero((void *)sc->bh, sc->sc_msize); + sc->sc_maddr = (void *)kvtop((void *)sc->bh); + + printf (" irq %d: mem %p size %x\n%s: ", sc->sc_dev.dv_cfdata->cf_irq, + sc->sc_maddr, sc->sc_msize, sc->sc_dev.dv_xname); + + sc->iscp = IE_ISCP; + sc->scb = IE_SCB; + sc->scp = IE_SCP; + sc->buf_area = IE_BUF; + sc->buf_area_sz = IE_EBUF - IE_BUF; + + a = ((u_int32_t)sc->sc_maddr + IE_SCP) | IE_PORT_TEST; + *(int32_t *)(IE_SCP_TEST(sc->scp)) = -1; + if (sc->sc_flags & IEGSC_GECKO) { + register volatile struct ie_gsc_regs *r = sc->sc_reg; + r->ie_port = a; + DELAY(1000); + r->ie_port = a >> 16; + DELAY(1000); + } else { + register volatile struct ie_gsc_regs *r = sc->sc_reg; + r->ie_port = a >> 16; + DELAY(1000); + r->ie_port = a; + DELAY(1000); + } + for (i = 900; i-- && *(int32_t *)(IE_SCP_TEST(sc->scp)); DELAY(100)) + bus_space_barrier(sc->bt, sc->bh, IE_SCP, 8, + BUS_SPACE_BARRIER_READ); + +#ifdef I82586_DEBUG + printf ("test %x:%x ", ((int32_t *)(sc->bh + IE_SCP))[0], + ((int32_t *)(sc->bh + IE_SCP))[1]); +#endif + + ie_gsc_write16(sc, IE_ISCP_BUSY(sc->iscp), 1); + ie_gsc_write16(sc, IE_ISCP_SCB(sc->iscp), sc->scb); + ie_gsc_write24(sc, IE_ISCP_BASE(sc->iscp), (u_long)sc->sc_maddr); + bus_space_barrier(sc->bt, sc->bh, sc->iscp, IE_ISCP_SZ, + BUS_SPACE_BARRIER_READ); + ie_gsc_write16(sc, IE_SCP_BUS_USE(sc->scp), 0x68); + ie_gsc_write24(sc, IE_SCP_ISCP(sc->scp), + (u_long)sc->sc_maddr + sc->iscp); + bus_space_barrier(sc->bt, sc->bh, sc->scp, IE_SCP_SZ, + BUS_SPACE_BARRIER_READ); + + /* inform i825[89]6 about new SCP address, + maddr must be at least 16-byte aligned */ + a = ((u_int32_t)sc->sc_maddr + IE_SCP) | IE_PORT_SCP; + if (sc->sc_flags & IEGSC_GECKO) { + register volatile struct ie_gsc_regs *r = sc->sc_reg; + r->ie_port = a; + DELAY(1000); + r->ie_port = a >> 16; + DELAY(1000); + } else { + register volatile struct ie_gsc_regs *r = sc->sc_reg; + r->ie_port = a >> 16; + DELAY(1000); + r->ie_port = a; + DELAY(1000); + } + ie_gsc_attend(sc); + + for (i = 900; i-- && + ie_gsc_read16(sc, IE_ISCP_BUSY(sc->iscp)); DELAY(100)) + bus_space_barrier(sc->bt, sc->bh, IE_ISCP_BUSY(sc->iscp), 2, + BUS_SPACE_BARRIER_READ); + +#ifdef I82586_DEBUG + if (i < 0) { + printf("timeout for PORT command (%x)%s\n", + ie_gsc_read16(sc, IE_ISCP_BUSY(sc->iscp)), + (sc->sc_flags & IEGSC_GECKO)? " on gecko":""); + return; + } + + sc->sc_debug = IED_ALL; +#endif + + i82586_attach(sc, ga->ga_name, pdc_mac.addr, + ie_media, IE_NMEDIA, ie_media[0]); + + gsc_intr_establish((struct gsc_softc *)parent, + sc->sc_dev.dv_cfdata->cf_irq, + IPL_NET, i82586_intr, sc, sc->sc_dev.dv_xname); +} + + |