ebfaa05056
PCI bus' one as the default one, and explicitely use the other one for non-PCI devices. This is needed because the PCI bus can only address 64MB of RAM, while some IXP425 boards have 128MB or more, and most of the PCI drivers do not bother providing the parent dma tag.
102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/* $NetBSD: ixp425var.h,v 1.10 2006/04/10 03:36:03 simonb Exp $ */
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/*
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* Copyright (c) 2003
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* Ichiro FUKUHARA <ichiro@ichiro.org>.
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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 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 by Ichiro FUKUHARA.
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* 4. The name of the company nor the name of the author may be used to
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* endorse 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 ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef _IXP425VAR_H_
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#define _IXP425VAR_H_
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#include <sys/conf.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <sys/rman.h>
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struct ixp425_softc {
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device_t sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_gpio_ioh;
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bus_space_handle_t sc_exp_ioh;
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u_int32_t sc_intrmask;
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struct rman sc_irq_rman;
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struct rman sc_mem_rman;
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bus_dma_tag_t sc_dmat;
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};
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struct ixppcib_softc {
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device_t sc_dev;
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u_int sc_bus;
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struct resource *sc_csr;
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struct resource *sc_mem;
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struct rman sc_io_rman;
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struct rman sc_mem_rman;
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struct rman sc_irq_rman;
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struct bus_space sc_pci_memt;
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struct bus_space sc_pci_iot;
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bus_dma_tag_t sc_dmat;
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};
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#define EXP_BUS_WRITE_4(sc, reg, data) \
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bus_space_write_4(sc->sc_iot, sc->sc_exp_ioh, reg, data)
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#define EXP_BUS_READ_4(sc, reg) \
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bus_space_read_4(sc->sc_iot, sc->sc_exp_ioh, reg)
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#define GPIO_CONF_WRITE_4(sc, reg, data) \
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bus_space_write_4(sc->sc_iot, sc->sc_gpio_ioh, reg, data)
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#define GPIO_CONF_READ_4(sc, reg) \
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bus_space_read_4(sc->sc_iot, sc->sc_gpio_ioh, reg)
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extern struct bus_space ixp425_bs_tag;
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extern struct bus_space ixp425_a4x_bs_tag;
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void ixp425_io_bs_init(bus_space_tag_t, void *);
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void ixp425_mem_bs_init(bus_space_tag_t, void *);
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uint32_t ixp425_sdram_size(void);
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int ixp425_md_route_interrupt(device_t, device_t, int);
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void ixp425_md_attach(device_t);
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#endif /* _IXP425VAR_H_ */
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