port the openbsd central and fhc drivers, and the clock/zs attachments.
doesn't quite work yet, crashes when central_attach() calls
config_attach() (faulting address is 0xf8000000.)


(mrg)

/*	$NetBSD: central.c,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: central.c,v 1.7 2010/11/11 17:58:23 miod Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net)
 * 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.
 *
 * 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/bus.h>

#include <machine/autoconf.h>
#include <machine/openfirm.h>

#include <sparc64/dev/centralvar.h>

struct central_softc {
	bus_space_tag_t sc_bt;
	bus_space_tag_t sc_cbt;
	int sc_node;
	int sc_nrange;
	struct central_range *sc_range;
};

static int central_match(device_t, cfdata_t, void *);
static void central_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(central, sizeof(struct central_softc),
    central_match, central_attach, NULL, NULL);

static int central_print(void *, const char *);
static int central_get_string(int, const char *, char **);

static bus_space_tag_t central_alloc_bus_tag(struct central_softc *);
static int _central_bus_map(
		bus_space_tag_t,
		bus_addr_t,		/*offset*/
		bus_size_t,		/*size*/
		int,			/*flags*/
		vaddr_t,		/* XXX unused -- compat w/sparc */
		bus_space_handle_t *);

static int
central_match(device_t parent, cfdata_t match, void *aux)
{
	struct mainbus_attach_args *ma = aux;

	if (strcmp(ma->ma_name, "central") == 0)
		return (1);
	return (0);
}

static void
central_attach(device_t parent, device_t self, void *aux)
{
	struct central_softc *sc = (struct central_softc *)self;
	struct mainbus_attach_args *ma = aux;
	int node0, node;

	sc->sc_bt = ma->ma_bustag;
	sc->sc_node = ma->ma_node;
	sc->sc_cbt = central_alloc_bus_tag(sc);

	prom_getprop(sc->sc_node, "ranges", sizeof(struct central_range),
	    &sc->sc_nrange, (void **)&sc->sc_range);

	printf("\n");

	node0 = firstchild(sc->sc_node);
	for (node = node0; node; node = nextsibling(node)) {
		struct central_attach_args ca;

		bzero(&ca, sizeof(ca));
		ca.ca_node = node;
		ca.ca_bustag = sc->sc_cbt;
		if (central_get_string(ca.ca_node, "name", &ca.ca_name)) {
			printf("can't fetch name for node 0x%x\n", node);
			continue;
		}

		prom_getprop(node, "reg", sizeof(struct central_reg),
		    &ca.ca_nreg, (void **)&ca.ca_reg);

		(void)config_found(self, (void *)&ca, central_print);

		if (ca.ca_name != NULL)
			free(ca.ca_name, M_DEVBUF);
	}
}

static int
central_get_string(int node, const char *name, char **buf)
{
	int len;

	len = prom_getproplen(node, name);
	if (len < 0)
		return (len);
	*buf = (char *)malloc(len + 1, M_DEVBUF, M_NOWAIT);
	if (*buf == NULL)
		return (-1);

	if (len != 0)
		prom_getpropstringA(node, name, *buf, len + 1);
	(*buf)[len] = '\0';
	return (0);
}

static int
central_print(void *args, const char *busname)
{
	struct central_attach_args *ca = args;
	char *class;

	if (busname != NULL) {
		printf("\"%s\" at %s", ca->ca_name, busname);
		class = prom_getpropstring(ca->ca_node, "device_type");
		if (*class != '\0')
			printf(" class %s", class);
	}
	return (UNCONF);
}

static bus_space_tag_t
central_alloc_bus_tag(struct central_softc *sc)
{
	struct sparc_bus_space_tag *bt;

	bt = malloc(sizeof(*bt), M_DEVBUF, M_NOWAIT | M_ZERO);
	if (bt == NULL)
		panic("central: couldn't alloc bus tag");

	bt->cookie = sc;
	bt->parent = sc->sc_bt;
#if 0
	bt->asi = bt->parent->asi;
	bt->sasi = bt->parent->sasi;
#endif
	bt->sparc_bus_map = _central_bus_map;
	/* XXX bt->sparc_bus_mmap = central_bus_mmap; */
	/* XXX bt->sparc_intr_establish = upa_intr_establish; */
	return (bt);
}

static int
_central_bus_map(bus_space_tag_t t, bus_addr_t addr, bus_size_t size, int flags,
	vaddr_t v, bus_space_handle_t *hp)
{
	struct central_softc *sc = t->cookie;
	int64_t slot = BUS_ADDR_IOSPACE(addr);
	int64_t offset = BUS_ADDR_PADDR(addr);
	int i;

	if (t->parent == NULL || t->parent->sparc_bus_map == NULL) {
		printf("\ncentral_bus_map: invalid parent");
		return (EINVAL);
	}


	for (i = 0; i < sc->sc_nrange; i++) {
		bus_addr_t paddr;

		if (sc->sc_range[i].cspace != slot)
			continue;

		paddr = offset - sc->sc_range[i].coffset;
		paddr += sc->sc_range[i].poffset;
		paddr |= ((bus_addr_t)sc->sc_range[i].pspace << 32);

		return bus_space_map(t->parent, paddr, size, flags, hp);
	}

	return (EINVAL);
}

/*	$NetBSD: centralvar.h,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: centralvar.h,v 1.1 2004/09/22 21:31:51 jason Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net)
 * 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.
 *
 * 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.
 */

struct central_reg {
	u_int32_t	cbr_slot;
	u_int32_t	cbr_offset;
	u_int32_t	cbr_size;
};

struct central_attach_args {
	char *ca_name;
	bus_space_tag_t ca_bustag;
	struct central_reg *ca_reg;
	int ca_node;
	int ca_nreg;
};

struct central_range {
	u_int32_t	cspace;		/* Client space */
	u_int32_t	coffset;	/* Client offset */
	u_int32_t	pspace;		/* Parent space */
	u_int32_t	poffset;	/* Parent offset */
	u_int32_t	size;		/* Size in bytes of this range */ 
};

#define	central_bus_map(t, slot, offset, sz, flags, hp)		\
    bus_space_map(t, BUS_ADDR(slot, offset), sz, flags, hp)

/*	$NetBSD: fhc.c,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: fhc.c,v 1.17 2010/11/11 17:58:23 miod Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net)
 * 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.
 *
 * 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/bus.h>

#include <machine/autoconf.h>
#include <machine/openfirm.h>

#include <sparc64/dev/fhcreg.h>
#include <sparc64/dev/fhcvar.h>
#include <sparc64/dev/iommureg.h>

int	fhc_print(void *, const char *);

bus_space_tag_t fhc_alloc_bus_tag(struct fhc_softc *);
int _fhc_bus_map(bus_space_tag_t, bus_addr_t, bus_size_t, int, vaddr_t,
    bus_space_handle_t *);
void *fhc_intr_establish(bus_space_tag_t, int, int,
    int (*)(void *), void *, void (*)(void));
bus_space_handle_t *fhc_find_intr_handle(struct fhc_softc *, int);

void
fhc_attach(struct fhc_softc *sc)
{
	int node0, node;
	u_int32_t ctrl;

	printf(" board %d: %s\n", sc->sc_board,
	    prom_getpropstring(sc->sc_node, "board-model"));

	sc->sc_cbt = fhc_alloc_bus_tag(sc);

	sc->sc_ign = sc->sc_board << 1;
	bus_space_write_4(sc->sc_bt, sc->sc_ireg, FHC_I_IGN, sc->sc_ign);
	sc->sc_ign = bus_space_read_4(sc->sc_bt, sc->sc_ireg, FHC_I_IGN);

	ctrl = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_CTRL);
	if (!sc->sc_is_central)
		ctrl |= FHC_P_CTRL_IXIST;
	ctrl &= ~(FHC_P_CTRL_AOFF | FHC_P_CTRL_BOFF | FHC_P_CTRL_SLINE);
	bus_space_write_4(sc->sc_bt, sc->sc_preg, FHC_P_CTRL, ctrl);
	bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_CTRL);

	/* clear interrupts */
	bus_space_write_4(sc->sc_bt, sc->sc_freg, FHC_F_ICLR, 0);
	bus_space_read_4(sc->sc_bt, sc->sc_freg, FHC_F_ICLR);
	bus_space_write_4(sc->sc_bt, sc->sc_sreg, FHC_S_ICLR, 0);
	bus_space_read_4(sc->sc_bt, sc->sc_sreg, FHC_S_ICLR);
	bus_space_write_4(sc->sc_bt, sc->sc_ureg, FHC_U_ICLR, 0);
	bus_space_read_4(sc->sc_bt, sc->sc_ureg, FHC_U_ICLR);
	bus_space_write_4(sc->sc_bt, sc->sc_treg, FHC_T_ICLR, 0);
	bus_space_read_4(sc->sc_bt, sc->sc_treg, FHC_T_ICLR);

	prom_getprop(sc->sc_node, "ranges", sizeof(struct fhc_range),
	    &sc->sc_nrange, (void **)&sc->sc_range);

	node0 = firstchild(sc->sc_node);
	for (node = node0; node; node = nextsibling(node)) {
		struct fhc_attach_args fa;

#if 0
		if (!checkstatus(node))
			continue;
#endif

		bzero(&fa, sizeof(fa));

		fa.fa_node = node;
		fa.fa_bustag = sc->sc_cbt;

		if (fhc_get_string(fa.fa_node, "name", &fa.fa_name)) {
			printf("can't fetch name for node 0x%x\n", node);
			continue;
		}
		prom_getprop(node, "reg", sizeof(struct fhc_reg),
		    &fa.fa_nreg, (void **)&fa.fa_reg);
		prom_getprop(node, "interrupts", sizeof(int),
		    &fa.fa_nintr, (void **)&fa.fa_intr);
		prom_getprop(node, "address", sizeof(*fa.fa_promvaddrs),
		    &fa.fa_npromvaddrs, (void **)&fa.fa_promvaddrs);

		(void)config_found(sc->sc_dev, (void *)&fa, fhc_print);

		if (fa.fa_name != NULL)
			free(fa.fa_name, M_DEVBUF);
		if (fa.fa_reg != NULL)
			free(fa.fa_reg, M_DEVBUF);
		if (fa.fa_intr != NULL)
			free(fa.fa_intr, M_DEVBUF);
		if (fa.fa_promvaddrs != NULL)
			free(fa.fa_promvaddrs, M_DEVBUF);
	}
}

int
fhc_print(void *args, const char *busname)
{
	struct fhc_attach_args *fa = args;
	char *class;

	if (busname != NULL) {
		printf("\"%s\" at %s", fa->fa_name, busname);
		class = prom_getpropstring(fa->fa_node, "device_type");
		if (*class != '\0')
			printf(" class %s", class);
	}
	return (UNCONF);
}

int
fhc_get_string(int node, const char *name, char **buf)
{
	int len;

	len = prom_getproplen(node, name);
	if (len < 0)
		return (len);
	*buf = (char *)malloc(len + 1, M_DEVBUF, M_NOWAIT);
	if (*buf == NULL)
		return (-1);

	if (len != 0)
		prom_getpropstringA(node, name, *buf, len + 1);
	(*buf)[len] = '\0';
	return (0);
}

bus_space_tag_t
fhc_alloc_bus_tag(struct fhc_softc *sc)
{
	struct sparc_bus_space_tag *bt;

	bt = malloc(sizeof(*bt), M_DEVBUF, M_NOWAIT | M_ZERO);
	if (bt == NULL)
		panic("fhc: couldn't alloc bus tag");

	bt->cookie = sc;
	bt->parent = sc->sc_bt;
	bt->type = 0;	/* XXX asi? */
	bt->sparc_bus_map = _fhc_bus_map;
	/* XXX bt->sparc_bus_mmap = fhc_bus_mmap; */
	bt->sparc_intr_establish = fhc_intr_establish;
	return (bt);
}

int
_fhc_bus_map(bus_space_tag_t t, bus_addr_t addr, bus_size_t size,
	     int flags, vaddr_t unused, bus_space_handle_t *hp)
{
	struct fhc_softc *sc = t->cookie;
	int64_t slot = BUS_ADDR_IOSPACE(addr);
	int64_t offset = BUS_ADDR_PADDR(addr);
	int i;

	if (t->parent == NULL || t->parent->sparc_bus_map == NULL) {
		printf("\n_fhc_bus_map: invalid parent");
		return (EINVAL);
	}

	for (i = 0; i < sc->sc_nrange; i++) {
		bus_addr_t paddr;

		if (sc->sc_range[i].cspace != slot)
			continue;

		paddr = offset - sc->sc_range[i].coffset;
		paddr += sc->sc_range[i].poffset;
		paddr |= ((bus_addr_t)sc->sc_range[i].pspace << 32); 

		return bus_space_map(t->parent, paddr, size, flags, hp);
	}

	return (EINVAL);
}

bus_space_handle_t *
fhc_find_intr_handle(struct fhc_softc *sc, int ino)
{
	switch (FHC_INO(ino)) {
	case FHC_F_INO:
		return &sc->sc_freg;
	case FHC_S_INO:
		return &sc->sc_sreg;
	case FHC_U_INO:
		return &sc->sc_ureg;
	case FHC_T_INO:
		return &sc->sc_treg;
	default:
		break;
	}

	return (NULL);
}

void *
fhc_intr_establish(bus_space_tag_t t, int ihandle, int level,
	int (*handler)(void *), void *arg, void (*fastvec)(void) /* ignored */)
{
	struct fhc_softc *sc = t->cookie;
	volatile u_int64_t *intrmapptr = NULL, *intrclrptr = NULL;
	struct intrhand *ih;
	long vec;
	bus_space_handle_t *hp;
	struct fhc_intr_reg *intrregs;

	hp = fhc_find_intr_handle(sc, ihandle);
	if (hp == NULL) {
		printf(": can't find intr handle\n");
		return (NULL);
	}

	intrregs = bus_space_vaddr(sc->sc_bt, *hp);
	intrmapptr = &intrregs->imap;
	intrclrptr = &intrregs->iclr;
	vec = ((sc->sc_ign << INTMAP_IGN_SHIFT) & INTMAP_IGN) |
	    INTINO(ihandle);

	ih = (struct intrhand *)
		malloc(sizeof(struct intrhand), M_DEVBUF, M_NOWAIT);
	if (ih == NULL)
		return (NULL);

	ih->ih_ivec = ihandle;

	/* Register the map and clear intr registers */
	ih->ih_map = intrmapptr;
	ih->ih_clr = intrclrptr;

	ih->ih_fun = handler;
	ih->ih_arg = arg;
	ih->ih_pil = level;
	ih->ih_number = vec;

	intr_establish(ih->ih_pil, level != IPL_VM, ih);

	/*
	 * XXXX --- we really should use bus_space for this.
	 */
	if (intrmapptr != NULL) {
		u_int64_t r;

		r = *intrmapptr;
		r |= INTMAP_V;
		*intrmapptr = r;
		r = *intrmapptr;
		ih->ih_number |= r & INTMAP_INR;
	}

	return (ih);
}

/*	$NetBSD: fhc_central.c,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: fhc_central.c,v 1.5 2004/09/27 18:32:35 jason Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
 * 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.
 *
 * 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/bus.h>

#include <machine/autoconf.h>
#include <machine/openfirm.h>

#include <sparc64/dev/centralvar.h>
#include <sparc64/dev/fhcreg.h>
#include <sparc64/dev/fhcvar.h>

int	fhc_central_match(device_t, cfdata_t, void *);
void	fhc_central_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(fhc_central, sizeof(struct fhc_softc),
    fhc_central_match, fhc_central_attach, NULL, NULL);

int
fhc_central_match(device_t parent, cfdata_t match, void *aux)
{
	struct central_attach_args *ca = aux;

	if (strcmp(ca->ca_name, "fhc") == 0)
		return (1);
	return (0);
}

void
fhc_central_attach(device_t parent, device_t self, void *aux)
{
	struct fhc_softc *sc = (struct fhc_softc *)self;
	struct central_attach_args *ca = aux;
	u_int32_t board;

	sc->sc_node = ca->ca_node;
	sc->sc_bt = ca->ca_bustag;
	sc->sc_is_central = 1;

	if (central_bus_map(sc->sc_bt, ca->ca_reg[0].cbr_slot,
	    ca->ca_reg[0].cbr_offset, ca->ca_reg[0].cbr_size, 0,
	    &sc->sc_preg)) {
		printf(": failed to map preg\n");
		return;
	}

	if (central_bus_map(sc->sc_bt, ca->ca_reg[1].cbr_slot,
	    ca->ca_reg[1].cbr_offset, ca->ca_reg[1].cbr_size, 0,
	    &sc->sc_ireg)) {
		printf(": failed to map ireg\n");
		return;
	}

	if (central_bus_map(sc->sc_bt, ca->ca_reg[2].cbr_slot,
	    ca->ca_reg[2].cbr_offset, ca->ca_reg[2].cbr_size,
	    BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
		printf(": failed to map freg\n");
		return;
	}

	if (central_bus_map(sc->sc_bt, ca->ca_reg[3].cbr_slot,
	    ca->ca_reg[3].cbr_offset, ca->ca_reg[3].cbr_size,
	    BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
		printf(": failed to map sreg\n");
		return;
	}

	if (central_bus_map(sc->sc_bt, ca->ca_reg[4].cbr_slot,
	    ca->ca_reg[4].cbr_offset, ca->ca_reg[4].cbr_size,
	    BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
		printf(": failed to map ureg\n");
		return;
	}

	if (central_bus_map(sc->sc_bt, ca->ca_reg[5].cbr_slot,
	    ca->ca_reg[5].cbr_offset, ca->ca_reg[5].cbr_size,
	    BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
		printf(": failed to map treg\n");
		return;
	}

	board = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_BSR);
	sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
	sc->sc_dev = self;

	fhc_attach(sc);
	return;
}

/*	$NetBSD: fhc_mainbus.c,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: fhc_mainbus.c,v 1.4 2004/09/27 18:32:35 jason Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
 * 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.
 *
 * 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/bus.h>

#include <machine/autoconf.h>
#include <machine/openfirm.h>

#include <sparc64/dev/fhcvar.h>

int	fhc_mainbus_match(device_t, cfdata_t, void *);
void	fhc_mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(fhc_mainbus, sizeof(struct fhc_softc),
    fhc_mainbus_match, fhc_mainbus_attach, NULL, NULL);

int
fhc_mainbus_match(device_t parent, cfdata_t match, void *aux)
{
	struct mainbus_attach_args *ma = aux;

	if (strcmp(ma->ma_name, "fhc") == 0)
		return (1);
	return (0);
}

void
fhc_mainbus_attach(device_t parent, device_t self, void *aux)
{
	struct fhc_softc *sc = (struct fhc_softc *)self;
	struct mainbus_attach_args *ma = aux;

	sc->sc_node = ma->ma_node;
	sc->sc_bt = ma->ma_bustag;
	sc->sc_is_central = 0;

	if (bus_space_map(sc->sc_bt, ma->ma_reg[0].ur_paddr,
	    ma->ma_reg[0].ur_len, 0, &sc->sc_preg)) {
		printf(": failed to map preg\n");
		return;
	}

	if (bus_space_map(sc->sc_bt, ma->ma_reg[1].ur_paddr,
	    ma->ma_reg[1].ur_len, 0, &sc->sc_ireg)) {
		printf(": failed to map ireg\n");
		return;
	}

	if (bus_space_map(sc->sc_bt, ma->ma_reg[2].ur_paddr,
	    ma->ma_reg[2].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
		printf(": failed to map freg\n");
		return;
	}

	if (bus_space_map(sc->sc_bt, ma->ma_reg[3].ur_paddr,
	    ma->ma_reg[3].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
		printf(": failed to map sreg\n");
		return;
	}

	if (bus_space_map(sc->sc_bt, ma->ma_reg[4].ur_paddr,
	    ma->ma_reg[4].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
		printf(": failed to map ureg\n");
		return;
	}

	if (bus_space_map(sc->sc_bt, ma->ma_reg[5].ur_paddr,
	    ma->ma_reg[5].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
		printf(": failed to map treg\n");
		return;
	}

	sc->sc_board = prom_getpropint(sc->sc_node, "board#", -1);
	sc->sc_dev = self;

	fhc_attach(sc);

	return;
}

/*	$NetBSD: fhcreg.h,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: fhcreg.h,v 1.4 2007/05/01 19:44:56 kettenis Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
 * 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.
 *
 * 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.
 */

#define	FHC_P_ID	0x00000000		/* ID */
#define	FHC_P_RCS	0x00000010		/* reset ctrl/status */
#define	FHC_P_CTRL	0x00000020		/* control */
#define	FHC_P_BSR	0x00000030		/* board status */
#define	FHC_P_ECC	0x00000040		/* ECC control */
#define	FHC_P_JCTRL	0x000000f0		/* JTAG control */

#define	FHC_P_CTRL_ICS		0x00100000	/* ignore centerplane sigs */
#define	FHC_P_CTRL_FRST		0x00080000	/* fatal error reset enable */
#define	FHC_P_CTRL_LFAT		0x00080000	/* AC/DC local error */
#define	FHC_P_CTRL_SLINE	0x00010000	/* firmware sync line */
#define	FHC_P_CTRL_DCD		0x00008000	/* DC/DC converter disable */
#define	FHC_P_CTRL_POFF		0x00004000	/* AC/DC ctlr PLL disable */
#define	FHC_P_CTRL_FOFF		0x00002000	/* FHC ctlr PLL disable */
#define	FHC_P_CTRL_AOFF		0x00001000	/* cpu a sram low pwr mode */
#define	FHC_P_CTRL_BOFF		0x00000800	/* cpu b sram low pwr mode */
#define	FHC_P_CTRL_PSOFF	0x00000400	/* disable fhc power supply */
#define	FHC_P_CTRL_IXIST	0x00000200	/* fhc notifies clock-board */
#define	FHC_P_CTRL_XMSTR	0x00000100	/* xir master enable */
#define	FHC_P_CTRL_LLED		0x00000040	/* left led (reversed) */
#define	FHC_P_CTRL_MLED		0x00000020	/* middle led */
#define	FHC_P_CTRL_RLED		0x00000010	/* right led */
#define	FHC_P_CTRL_BPINS	0x00000003	/* spare bidir pins */

#define	FHC_I_IGN	0x00000000		/* IGN register */

#define	FHC_F_IMAP	0x00000000		/* fanfail intr map */
#define	FHC_F_ICLR	0x00000010		/* fanfail intr clr */

#define	FHC_S_IMAP	0x00000000		/* system intr map */
#define	FHC_S_ICLR	0x00000010		/* system intr clr */

#define	FHC_U_IMAP	0x00000000		/* uart intr map */
#define	FHC_U_ICLR	0x00000010		/* uart intr clr */

#define	FHC_T_IMAP	0x00000000		/* tod intr map */
#define	FHC_T_ICLR	0x00000010		/* tod intr clr */

struct fhc_intr_reg {
	u_int64_t imap;
	u_int64_t unused_0;
	u_int64_t iclr;
	u_int64_t unused_1;
};

#define FHC_INO(ino)	((ino) & 0x7)
#define FHC_S_INO	0
#define FHC_U_INO	1
#define FHC_T_INO	2
#define FHC_F_INO	3

/*	$NetBSD: fhcvar.h,v 1.1 2011/07/29 08:37:36 mrg Exp $	*/
/*	$OpenBSD: fhcvar.h,v 1.8 2004/10/01 18:18:49 jason Exp $	*/

/*
 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
 * 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.
 *
 * 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.
 */

struct fhc_reg {
	u_int32_t	fbr_slot;
	u_int32_t	fbr_offset;
	u_int32_t	fbr_size;
};

struct fhc_range {
	u_int32_t	cspace;		/* Client space */
	u_int32_t	coffset;	/* Client offset */
	u_int32_t	pspace;		/* Parent space */
	u_int32_t	poffset;	/* Parent offset */
	u_int32_t	size;		/* Size in bytes of this range */
};

struct fhc_softc {
	device_t sc_dev;
	int sc_node;
	int sc_is_central;		/* parent is central */
	int sc_board;
	u_int32_t sc_ign;
	bus_space_tag_t sc_bt;
	bus_space_tag_t sc_cbt;
	int sc_nrange;
	struct fhc_range *sc_range;
	bus_space_handle_t sc_preg;	/* internal regs */
	bus_space_handle_t sc_ireg;	/* ign regs */
	bus_space_handle_t sc_freg;	/* fanfail regs */
	bus_space_handle_t sc_sreg;	/* system regs */
	bus_space_handle_t sc_ureg;	/* uart regs */
	bus_space_handle_t sc_treg;	/* tod regs */
};

void fhc_attach(struct fhc_softc *);
int fhc_get_string(int, const char *, char **);

struct fhc_attach_args {
	bus_space_tag_t fa_bustag;
	char *fa_name;
	int *fa_intr;
	struct fhc_reg *fa_reg;
	u_int32_t *fa_promvaddrs;
	int fa_node;
	int fa_nreg;
	int fa_nintr;
	int fa_npromvaddrs;
};

#define	fhc_bus_map(t, slot, offset, sz, flags, hp)		\
    bus_space_map(t, BUS_ADDR(slot, offset), sz, flags, hp)