195 lines
6.5 KiB
C
195 lines
6.5 KiB
C
/* $NetBSD: adm5120_obio.c,v 1.1 2007/03/20 08:52:03 dyoung Exp $ */
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/*-
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* Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: adm5120_obio.c,v 1.1 2007/03/20 08:52:03 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <mips/cache.h>
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#include <mips/cpuregs.h>
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#include <mips/adm5120/include/adm5120reg.h>
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#include <mips/adm5120/include/adm5120var.h>
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#include <mips/adm5120/include/adm5120_mainbusvar.h>
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#include <mips/adm5120/include/adm5120_obiovar.h>
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#include "locators.h"
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#ifdef OBIO_DEBUG
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int obio_debug = 1;
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#define OBIO_DPRINTF(__fmt, ...) \
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do { \
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if (obio_debug) \
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printf((__fmt), __VA_ARGS__); \
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} while (/*CONSTCOND*/0)
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#else /* !OBIO_DEBUG */
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#define OBIO_DPRINTF(__fmt, ...) do { } while (/*CONSTCOND*/0)
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#endif /* OBIO_DEBUG */
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static int obio_match(struct device *, struct cfdata *, void *);
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static void obio_attach(struct device *, struct device *, void *);
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static int obio_submatch(struct device *, struct cfdata *,
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const int *, void *);
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static int obio_print(void *, const char *);
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CFATTACH_DECL(obio, sizeof(struct device), obio_match, obio_attach, NULL, NULL);
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/* There can be only one. */
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int obio_found;
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struct obiodev {
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const char *od_name;
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bus_addr_t od_addr;
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int od_irq;
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uint32_t od_gpio_mask;
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};
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struct obiodev obiodevs[] = {
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{"uart", ADM5120_BASE_UART0, 1, 0x0},
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{"uart", ADM5120_BASE_UART1, 2, 0x0},
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{"admsw", ADM5120_BASE_SWITCH, 9, 0x0},
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{"ahci", ADM5120_BASE_USB, 3, 0x0},
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{"admflash", ADM5120_BASE_SRAM0, 0, 0x0},
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{NULL, 0, 0, 0x0},
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};
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static int
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obio_match(struct device *parent, struct cfdata *match, void *aux)
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{
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return !obio_found;
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}
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static void
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obio_attach_args_create(struct obio_attach_args *oa, struct obiodev *od,
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void *gpio, bus_dma_tag_t dmat, bus_space_tag_t st)
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{
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oa->oba_name = od->od_name;
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oa->oba_addr = od->od_addr;
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oa->oba_irq = od->od_irq;
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oa->oba_dt = dmat;
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oa->oba_st = st;
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oa->oba_gpio = gpio;
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oa->oba_gpio_mask = od->od_gpio_mask;
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}
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static void
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obio_attach(struct device *parent, struct device *self, void *aux)
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{
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struct mainbus_attach_args *ma = (struct mainbus_attach_args *)aux;
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struct obio_attach_args oa;
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struct obiodev *od;
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obio_found = 1;
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printf("\n");
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OBIO_DPRINTF("%s: %d\n", __func__, __LINE__);
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OBIO_DPRINTF("%s: %d\n", __func__, __LINE__);
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for (od = obiodevs; od->od_name != NULL; od++) {
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OBIO_DPRINTF("%s: %d\n", __func__, __LINE__);
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obio_attach_args_create(&oa, od, ma->ma_gpio, ma->ma_dmat,
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ma->ma_obiot);
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OBIO_DPRINTF("%s: %d\n", __func__, __LINE__);
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(void)config_found_sm_loc(self, "obio", NULL, &oa, obio_print,
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obio_submatch);
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}
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OBIO_DPRINTF("%s: %d\n", __func__, __LINE__);
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}
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static int
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obio_submatch(struct device *parent, struct cfdata *cf,
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const int *ldesc, void *aux)
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{
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struct obio_attach_args *oa = aux;
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if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT &&
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cf->cf_loc[OBIOCF_ADDR] != oa->oba_addr)
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return 0;
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return config_match(parent, cf, aux);
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}
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static int
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obio_print(void *aux, const char *pnp)
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{
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struct obio_attach_args *oa = aux;
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if (pnp != NULL)
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aprint_normal("%s at %s", oa->oba_name, pnp);
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if (oa->oba_addr != OBIOCF_ADDR_DEFAULT)
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aprint_normal(" addr 0x%lx", oa->oba_addr);
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if (oa->oba_gpio_mask != OBIOCF_GPIO_MASK_DEFAULT)
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aprint_normal(" gpio_mask 0x%02x", oa->oba_gpio_mask);
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return UNCONF;
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}
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