/* $NetBSD: pci_machdep.c,v 1.17 2008/05/30 15:56:32 kiyohara Exp $ */ /* * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. * Copyright (c) 1994 Charles M. Hannum. 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 Charles M. Hannum. * 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 PCI autoconfiguration. * * On PCs, there are two methods of generating PCI configuration cycles. * We try to detect the appropriate mechanism for this machine and set * up a few function pointers to access the correct method directly. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.17 2008/05/30 15:56:32 kiyohara Exp $"); #include <sys/types.h> #include <sys/param.h> #include <sys/time.h> #include <sys/systm.h> #include <sys/errno.h> #include <sys/device.h> #include <uvm/uvm_extern.h> #define _POWERPC_BUS_DMA_PRIVATE #include <machine/bus.h> #include <machine/intr.h> #include <powerpc/pio.h> #include <dev/isa/isavar.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcidevs.h> #include <machine/pci_machdep.h> extern struct genppc_pci_chipset *genppc_pct; #define PCI_MODE1_ADDRESS_REG (PREP_BUS_SPACE_IO + 0xcf8) #define PCI_MODE1_DATA_REG (PREP_BUS_SPACE_IO + 0xcfc) void bebox_pci_get_chipset_tag(pci_chipset_tag_t pc) { pc->pc_conf_v = (void *)pc; pc->pc_attach_hook = genppc_pci_indirect_attach_hook; pc->pc_bus_maxdevs = genppc_pci_bus_maxdevs; pc->pc_make_tag = genppc_pci_indirect_make_tag; pc->pc_conf_read = genppc_pci_indirect_conf_read; pc->pc_conf_write = genppc_pci_indirect_conf_write; pc->pc_intr_v = (void *)pc; pc->pc_intr_map = genppc_pci_intr_map; pc->pc_intr_string = genppc_pci_intr_string; pc->pc_intr_evcnt = genppc_pci_intr_evcnt; pc->pc_intr_establish = genppc_pci_intr_establish; pc->pc_intr_disestablish = genppc_pci_intr_disestablish; pc->pc_conf_interrupt = bebox_pci_conf_interrupt; pc->pc_decompose_tag = genppc_pci_indirect_decompose_tag; pc->pc_conf_hook = genppc_pci_conf_hook; pc->pc_addr = mapiodev(PCI_MODE1_ADDRESS_REG, 4); pc->pc_data = mapiodev(PCI_MODE1_DATA_REG, 4); pc->pc_bus = 0; pc->pc_node = 0; pc->pc_memt = 0; pc->pc_iot = 0; } void bebox_pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int pin, int swiz, int *iline) { if (bus == 0) { switch (dev) { case 12: /* SCSI is bit 10, mapped to IRQ 26 */ case 13: /* PCI slot 1 is bit 11, mapped to IRQ 27 */ case 14: /* PCI slot 2 is bit 12, mapped to IRQ 28 */ case 15: /* PCI slot 3 is bit 13, mapped to IRQ 29 */ #define BEBOX_PCIBUS0_DEV2LINE(d) ((d) + 14) *iline = BEBOX_PCIBUS0_DEV2LINE(dev); } } else #define BEBOX_PCIBUS_DEV2LINE(d, s) ((((d) + (s) + 1) & 0x3) + 26) *iline = BEBOX_PCIBUS_DEV2LINE(dev, swiz); }