/* $NetBSD: eisa_machdep.c,v 1.22 2004/04/22 00:34:52 itojun Exp $ */ /*- * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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 by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 THE FOUNDATION OR CONTRIBUTORS * 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. */ /* * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. * * 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 by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. */ /* * Machine-specific functions for EISA autoconfiguration. */ #include __KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.22 2004/04/22 00:34:52 itojun Exp $"); #include "ioapic.h" #include #include #include #include #include #include #include #define _X86_BUS_DMA_PRIVATE #include #include #include #include #if NIOAPIC > 0 #include #include #endif /* * EISA doesn't have any special needs; just use the generic versions * of these funcions. */ struct x86_bus_dma_tag eisa_bus_dma_tag = { 0, /* _bounce_thresh */ 0, /* _bounce_alloc_lo */ 0, /* _bounce_alloc_hi */ NULL, /* _may_bounce */ _bus_dmamap_create, _bus_dmamap_destroy, _bus_dmamap_load, _bus_dmamap_load_mbuf, _bus_dmamap_load_uio, _bus_dmamap_load_raw, _bus_dmamap_unload, NULL, /* _dmamap_sync */ _bus_dmamem_alloc, _bus_dmamem_free, _bus_dmamem_map, _bus_dmamem_unmap, _bus_dmamem_mmap, }; void eisa_attach_hook(parent, self, eba) struct device *parent, *self; struct eisabus_attach_args *eba; { extern int eisa_has_been_seen; /* * Notify others that might need to know that the EISA bus * has now been attached. */ if (eisa_has_been_seen) panic("eisaattach: EISA bus already seen!"); eisa_has_been_seen = 1; } int eisa_maxslots(ec) eisa_chipset_tag_t ec; { /* * Always try 16 slots. */ return (16); } int eisa_intr_map(ec, irq, ihp) eisa_chipset_tag_t ec; u_int irq; eisa_intr_handle_t *ihp; { if (irq >= NUM_LEGACY_IRQS) { printf("eisa_intr_map: bad IRQ %d\n", irq); *ihp = -1; return 1; } if (irq == 2) { printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n"); irq = 9; } #if NIOAPIC > 0 if (mp_busses != NULL) { if (intr_find_mpmapping(mp_eisa_bus, irq, ihp) == 0 || intr_find_mpmapping(mp_isa_bus, irq, ihp) == 0) { *ihp |= irq; return 0; } else printf("eisa_intr_map: no MP mapping found\n"); } printf("eisa_intr_map: no MP mapping found\n"); #endif *ihp = irq; return 0; } const char * eisa_intr_string(ec, ih) eisa_chipset_tag_t ec; eisa_intr_handle_t ih; { static char irqstr[8]; /* 4 + 2 + NULL + sanity */ if (ih == 0 || (ih & 0xff) >= NUM_LEGACY_IRQS || ih == 2) panic("eisa_intr_string: bogus handle 0x%x", ih); #if NIOAPIC > 0 if (ih & APIC_INT_VIA_APIC) snprintf(irqstr, sizeof(irqstr), "apic %d int %d (irq %d)", APIC_IRQ_APIC(ih), APIC_IRQ_PIN(ih), ih&0xff); else snprintf(irqstr, sizeof(irqstr), "irq %d", ih&0xff); #else snprintf(irqstr, sizeof(irqstr), "irq %d", ih); #endif return (irqstr); } const struct evcnt * eisa_intr_evcnt(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) { /* XXX for now, no evcnt parent reported */ return NULL; } void * eisa_intr_establish(ec, ih, type, level, func, arg) eisa_chipset_tag_t ec; eisa_intr_handle_t ih; int type, level, (*func) __P((void *)); void *arg; { int pin, irq; struct pic *pic; pic = &i8259_pic; pin = irq = ih; #if NIOAPIC > 0 if (ih & APIC_INT_VIA_APIC) { pic = (struct pic *)ioapic_find(APIC_IRQ_APIC(ih)); if (pic == NULL) { printf("eisa_intr_establish: bad ioapic %d\n", APIC_IRQ_APIC(ih)); return NULL; } pin = APIC_IRQ_PIN(ih); irq = APIC_IRQ_LEGACY_IRQ(ih); if (irq < 0 || irq >= NUM_LEGACY_IRQS) irq = -1; } #endif return intr_establish(irq, pic, pin, type, level, func, arg); } void eisa_intr_disestablish(ec, cookie) eisa_chipset_tag_t ec; void *cookie; { intr_disestablish(cookie); } int eisa_mem_alloc(t, size, align, boundary, cacheable, addrp, bahp) bus_space_tag_t t; bus_size_t size, align; bus_addr_t boundary; int cacheable; bus_addr_t *addrp; bus_space_handle_t *bahp; { extern struct extent *iomem_ex; /* * Allocate physical address space after the ISA hole. */ return bus_space_alloc(t, IOM_END, iomem_ex->ex_end, size, align, boundary, cacheable, addrp, bahp); } void eisa_mem_free(t, bah, size) bus_space_tag_t t; bus_space_handle_t bah; bus_size_t size; { bus_space_free(t, bah, size); } int eisa_conf_read_mem(ec, slot, func, entry, ecm) eisa_chipset_tag_t ec; int slot, func, entry; struct eisa_cfg_mem *ecm; { /* XXX XXX XXX */ return (ENOENT); } int eisa_conf_read_irq(ec, slot, func, entry, eci) eisa_chipset_tag_t ec; int slot, func, entry; struct eisa_cfg_irq *eci; { /* XXX XXX XXX */ return (ENOENT); } int eisa_conf_read_dma(ec, slot, func, entry, ecd) eisa_chipset_tag_t ec; int slot, func, entry; struct eisa_cfg_dma *ecd; { /* XXX XXX XXX */ return (ENOENT); } int eisa_conf_read_io(ec, slot, func, entry, ecio) eisa_chipset_tag_t ec; int slot, func, entry; struct eisa_cfg_io *ecio; { /* XXX XXX XXX */ return (ENOENT); }