154 lines
4.9 KiB
C
154 lines
4.9 KiB
C
/* $NetBSD: ixp425var.h,v 1.8 2003/12/08 14:41:11 scw 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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#ifndef _IXP425VAR_H_
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#define _IXP425VAR_H_
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#include <sys/conf.h>
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#include <sys/device.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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#define PCI_CSR_WRITE_4(sc, reg, data) \
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bus_space_write_4(sc->sc_iot, sc->sc_pci_ioh, \
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reg, data)
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#define PCI_CSR_READ_4(sc, reg) \
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bus_space_read_4(sc->sc_iot, sc->sc_pci_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, \
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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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#define PCI_CONF_LOCK(s) (s) = disable_interrupts(I32_bit)
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#define PCI_CONF_UNLOCK(s) restore_interrupts((s))
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struct ixp425_softc {
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struct device sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh; /* IRQ handle */
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u_int32_t sc_intrmask;
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/* Handles for the various subregions. */
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bus_space_handle_t sc_pci_ioh; /* PCI mem handler */
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bus_space_handle_t sc_gpio_ioh; /* GPIOs handler */
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/* Bus space, DMA, and PCI tags for the PCI bus */
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struct bus_space sc_pci_iot;
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struct bus_space sc_pci_memt;
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struct arm32_bus_dma_tag ia_pci_dmat;
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struct arm32_pci_chipset ia_pci_chipset;
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vaddr_t sc_pci_va;
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/* DMA window info for PCI DMA. */
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struct arm32_dma_range ia_pci_dma_range;
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/* GPIO configuration */
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u_int32_t sc_gpio_out;
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u_int32_t sc_gpio_oe;
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u_int32_t sc_gpio_intr1;
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u_int32_t sc_gpio_intr2;
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};
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/*
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* There are roughly 32 interrupt sources.
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*/
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#define NIRQ 32
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struct intrhand {
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TAILQ_ENTRY(intrhand) ih_list; /* link on intrq list */
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int (*ih_func)(void *); /* interrupt handler */
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void *ih_arg; /* arg for handler */
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int ih_ipl; /* IPL_* */
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int ih_irq; /* IRQ number */
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};
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#define IRQNAMESIZE sizeof("ixp425 irq xx")
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struct intrq {
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TAILQ_HEAD(, intrhand) iq_list; /* handler list */
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struct evcnt iq_ev; /* event counter */
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u_int32_t iq_mask; /* IRQs to mask while handling */
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u_int32_t iq_pci_mask; /* PCI IRQs to mask while handling */
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u_int32_t iq_levels; /* IPL_*'s this IRQ has */
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char iq_name[IRQNAMESIZE]; /* interrupt name */
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int iq_ist; /* share type */
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};
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struct pmap_ent {
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const char* msg;
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vaddr_t va;
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paddr_t pa;
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vsize_t sz;
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int prot;
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int cache;
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};
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extern struct ixp425_softc *ixp425_softc;
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extern struct bus_space ixpsip_bs_tag;
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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_bs_init(bus_space_tag_t, void *);
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void ixp425_md_pci_init(struct ixp425_softc *);
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void ixp425_md_pci_conf_interrupt(pci_chipset_tag_t, int, int, int,
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int, int *);
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void ixp425_pci_init(struct ixp425_softc *);
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void ixp425_pci_dma_init(struct ixp425_softc *);
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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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void ixp425_pci_conf_reg_write(struct ixp425_softc *, uint32_t, uint32_t);
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uint32_t ixp425_pci_conf_reg_read(struct ixp425_softc *, uint32_t);
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void ixp425_attach(struct ixp425_softc *);
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void ixp425_icu_init(void);
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void ixp425_clk_bootstrap(bus_space_tag_t);
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void ixp425_intr_init(void);
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void *ixp425_intr_establish(int, int, int (*)(void *), void *);
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void ixp425_intr_disestablish(void *);
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uint32_t ixp425_sdram_size(void);
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#endif /* _IXP425VAR_H_ */
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