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Diffstat (limited to 'sys/arch/armish/dev/obio.c')
| -rw-r--r-- | sys/arch/armish/dev/obio.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/arch/armish/dev/obio.c b/sys/arch/armish/dev/obio.c new file mode 100644 index 00000000000..cdd2bee1850 --- /dev/null +++ b/sys/arch/armish/dev/obio.c @@ -0,0 +1,142 @@ +/* $NetBSD: obio.c,v 1.14 2005/12/11 12:17:09 christos Exp $ */ + +/* + * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Jason R. Thorpe for Wasabi Systems, Inc. + * + * 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 for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC + * 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. + */ + +/* + * On-board device autoconfiguration support for Intel IQ80321 + * evaluation boards. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> + +#include <machine/bus.h> + +#include <arm/xscale/i80321reg.h> +#include <armish/dev/iq80321reg.h> +#include <armish/dev/iq80321var.h> +#include <armish/dev/obiovar.h> + +int obio_match(struct device *, void *, void *); +void obio_attach(struct device *, struct device *, void *); + +struct cfattach obio_ca = { + sizeof(struct device), obio_match, obio_attach +}; + +struct cfdriver obio_cd = { + NULL, "obio", DV_DULL +}; + +int obio_print(void *, const char *); +int obio_search(struct device *, void *, void *); + +/* there can be only one */ +int obio_found; + +int +obio_match(struct device *parent, void *v, void *aux) +{ +#if 0 + struct mainbus_attach_args *ma = aux; +#endif + + if (obio_found) + return (0); + +#if 1 + /* XXX Shoot arch/arm/mainbus in the head. */ + return (1); +#else + if (strcmp(cf->cf_name, ma->ma_name) == 0) + return (1); + + return (0); +#endif +} + +void +obio_attach(struct device *parent, struct device *self, void *aux) +{ + struct device *sc = self; + + + obio_found = 1; + + printf("\n"); + + /* + * Attach all the on-board devices as described in the kernel + * configuration file. + */ + config_search(obio_search, self, sc); +} + +int +obio_print(void *aux, const char *pnp) +{ + struct obio_attach_args *oba = aux; + + printf(" addr 0x%08lx", oba->oba_addr); + + if (oba->oba_irq != -1) + printf(" intr %d", oba->oba_irq); + + + return (UNCONF); +} + +int +obio_search(struct device *parent, void *v, void *aux) +{ + struct obio_attach_args oba; + struct cfdata *cf = v; + + oba.oba_st = &obio_bs_tag; + oba.oba_addr = cf->cf_loc[0]; + oba.oba_size = cf->cf_loc[1]; + oba.oba_width = cf->cf_loc[2]; + if (cf->cf_loc[3] != -1) + oba.oba_irq = ICU_INT_XINT(cf->cf_loc[3]); + else + oba.oba_irq = -1; + + config_found(parent, &oba, obio_print); + + + return (0); +} |