144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
/* $NetBSD: dbau1500.c,v 1.7 2011/07/10 00:03:52 matt Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Written by Garrett D'Amore for Itronix 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. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX 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 ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* 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: dbau1500.c,v 1.7 2011/07/10 00:03:52 matt Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <mips/locore.h>
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#include <evbmips/alchemy/obiovar.h>
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#include <evbmips/alchemy/board.h>
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#include <evbmips/alchemy/dbau1500reg.h>
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#define GET16(x) \
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(*((volatile uint16_t *)MIPS_PHYS_TO_KSEG1(x)))
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#define PUT16(x, v) \
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(*((volatile uint16_t *)MIPS_PHYS_TO_KSEG1(x)) = (v))
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static void dbau1500_init(void);
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static int dbau1500_pci_intr_map(const struct pci_attach_args *,
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pci_intr_handle_t *);
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static void dbau1500_reboot(void);
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static const struct obiodev dbau1500_devices[] = {
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#if 0
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{ "aupcmcia", -1, -1 },
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{ "auaudio", -1, -1 },
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#endif
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{ NULL },
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};
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static struct alchemy_board dbau1500_info = {
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"AMD Alchemy DBAu1500",
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dbau1500_devices,
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dbau1500_init,
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dbau1500_pci_intr_map,
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dbau1500_reboot,
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NULL, /* poweroff */
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};
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const struct alchemy_board *
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board_info(void)
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{
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return &dbau1500_info;
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}
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void
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dbau1500_init(void)
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{
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uint32_t whoami;
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if (MIPS_PRID_COPTS(mips_options.mips_cpu_id) != MIPS_AU1500)
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panic("dbau1500: CPU not an AU1500!");
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/* check the whoami register for a match */
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whoami = *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1(DBAU1500_WHOAMI));
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if (DBAU1500_WHOAMI_BOARD(whoami) != DBAU1500_WHOAMI_DBAU1500)
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panic("dbau1500: WHOAMI (%x) not DBAu1500!", whoami);
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printf("DBAu1500 (zinfandel), CPLDv%d, ",
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DBAU1500_WHOAMI_CPLD(whoami));
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if (DBAU1500_WHOAMI_DAUGHTER(whoami) != 0xf)
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printf("daughtercard 0x%x\n",
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DBAU1500_WHOAMI_DAUGHTER(whoami));
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else
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printf("no daughtercard\n");
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/* leave console and clocks alone -- YAMON should have got it right! */
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}
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int
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dbau1500_pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
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{
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/*
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* This platform has PCI slot and IDE interrupts mapped
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* identically. So we just need to look at which of the four
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* PCI interrupts it is.
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*/
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switch (pa->pa_intrpin) {
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case 0:
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/* not used */
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return 1;
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case 1:
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*ihp = 1;
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break;
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case 2:
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*ihp = 2;
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break;
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case 3:
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*ihp = 4;
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break;
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case 4:
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*ihp = 5;
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break;
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default:
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printf("pci: bad interrupt pin %d\n", pa->pa_intrpin);
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return 1;
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}
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return 0;
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}
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void
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dbau1500_reboot(void)
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{
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PUT16(DBAU1500_SOFTWARE_RESET, 0);
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delay(100000); /* 100 msec */
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}
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