hdlg_pci.c revision 1.1.10.2
1 1.1.10.2 tron /* $NetBSD: hdlg_pci.c,v 1.1.10.2 2006/05/24 15:47:54 tron Exp $ */ 2 1.1.10.2 tron 3 1.1.10.2 tron /* 4 1.1.10.2 tron * Copyright (c) 2001, 2002 Wasabi Systems, Inc. 5 1.1.10.2 tron * All rights reserved. 6 1.1.10.2 tron * 7 1.1.10.2 tron * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 1.1.10.2 tron * 9 1.1.10.2 tron * Redistribution and use in source and binary forms, with or without 10 1.1.10.2 tron * modification, are permitted provided that the following conditions 11 1.1.10.2 tron * are met: 12 1.1.10.2 tron * 1. Redistributions of source code must retain the above copyright 13 1.1.10.2 tron * notice, this list of conditions and the following disclaimer. 14 1.1.10.2 tron * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.10.2 tron * notice, this list of conditions and the following disclaimer in the 16 1.1.10.2 tron * documentation and/or other materials provided with the distribution. 17 1.1.10.2 tron * 3. All advertising materials mentioning features or use of this software 18 1.1.10.2 tron * must display the following acknowledgement: 19 1.1.10.2 tron * This product includes software developed for the NetBSD Project by 20 1.1.10.2 tron * Wasabi Systems, Inc. 21 1.1.10.2 tron * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.1.10.2 tron * or promote products derived from this software without specific prior 23 1.1.10.2 tron * written permission. 24 1.1.10.2 tron * 25 1.1.10.2 tron * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.1.10.2 tron * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.1.10.2 tron * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.1.10.2 tron * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.1.10.2 tron * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.1.10.2 tron * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.1.10.2 tron * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.1.10.2 tron * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.1.10.2 tron * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.1.10.2 tron * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.1.10.2 tron * POSSIBILITY OF SUCH DAMAGE. 36 1.1.10.2 tron */ 37 1.1.10.2 tron 38 1.1.10.2 tron #include <sys/cdefs.h> 39 1.1.10.2 tron __KERNEL_RCSID(0, "$NetBSD: hdlg_pci.c,v 1.1.10.2 2006/05/24 15:47:54 tron Exp $"); 40 1.1.10.2 tron 41 1.1.10.2 tron #include <sys/param.h> 42 1.1.10.2 tron #include <sys/systm.h> 43 1.1.10.2 tron #include <sys/device.h> 44 1.1.10.2 tron 45 1.1.10.2 tron #include <machine/autoconf.h> 46 1.1.10.2 tron #include <machine/bus.h> 47 1.1.10.2 tron 48 1.1.10.2 tron #include <evbarm/hdl_g/hdlgreg.h> 49 1.1.10.2 tron #include <evbarm/hdl_g/hdlgvar.h> 50 1.1.10.2 tron 51 1.1.10.2 tron #include <arm/xscale/i80321reg.h> 52 1.1.10.2 tron #include <arm/xscale/i80321var.h> 53 1.1.10.2 tron 54 1.1.10.2 tron #include <dev/pci/pcidevs.h> 55 1.1.10.2 tron #include <dev/pci/ppbreg.h> 56 1.1.10.2 tron 57 1.1.10.2 tron int hdlg_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 58 1.1.10.2 tron const char *hdlg_pci_intr_string(void *, pci_intr_handle_t); 59 1.1.10.2 tron const struct evcnt *hdlg_pci_intr_evcnt(void *, pci_intr_handle_t); 60 1.1.10.2 tron void *hdlg_pci_intr_establish(void *, pci_intr_handle_t, 61 1.1.10.2 tron int, int (*func)(void *), void *); 62 1.1.10.2 tron void hdlg_pci_intr_disestablish(void *, void *); 63 1.1.10.2 tron 64 1.1.10.2 tron void 65 1.1.10.2 tron hdlg_pci_init(pci_chipset_tag_t pc, void *cookie) 66 1.1.10.2 tron { 67 1.1.10.2 tron 68 1.1.10.2 tron pc->pc_intr_v = cookie; /* the i80321 softc */ 69 1.1.10.2 tron pc->pc_intr_map = hdlg_pci_intr_map; 70 1.1.10.2 tron pc->pc_intr_string = hdlg_pci_intr_string; 71 1.1.10.2 tron pc->pc_intr_evcnt = hdlg_pci_intr_evcnt; 72 1.1.10.2 tron pc->pc_intr_establish = hdlg_pci_intr_establish; 73 1.1.10.2 tron pc->pc_intr_disestablish = hdlg_pci_intr_disestablish; 74 1.1.10.2 tron } 75 1.1.10.2 tron 76 1.1.10.2 tron int 77 1.1.10.2 tron hdlg_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp) 78 1.1.10.2 tron { 79 1.1.10.2 tron struct i80321_softc *sc = pa->pa_pc->pc_intr_v; 80 1.1.10.2 tron uint32_t busno; 81 1.1.10.2 tron int b, d, f; 82 1.1.10.2 tron 83 1.1.10.2 tron /* 84 1.1.10.2 tron * GigaLANDISK's interrupts are routed like so: 85 1.1.10.2 tron * 86 1.1.10.2 tron * XINT0 Intel i82541PI Gig-E 87 1.1.10.2 tron * 88 1.1.10.2 tron * XINT1 ACARD ATP875-A 89 1.1.10.2 tron * 90 1.1.10.2 tron * XINT2 NEC echi/ochi 91 1.1.10.2 tron * 92 1.1.10.2 tron * XINT3 UART 93 1.1.10.2 tron */ 94 1.1.10.2 tron 95 1.1.10.2 tron busno = bus_space_read_4(sc->sc_st, sc->sc_atu_sh, ATU_PCIXSR); 96 1.1.10.2 tron busno = PCIXSR_BUSNO(busno); 97 1.1.10.2 tron if (busno == 0xff) 98 1.1.10.2 tron busno = 0; 99 1.1.10.2 tron 100 1.1.10.2 tron pci_decompose_tag(pa->pa_pc, pa->pa_intrtag, &b, &d, &f); 101 1.1.10.2 tron 102 1.1.10.2 tron /* No mappings for devices not on our bus. */ 103 1.1.10.2 tron if (b != busno) 104 1.1.10.2 tron goto no_mapping; 105 1.1.10.2 tron 106 1.1.10.2 tron switch (d) { 107 1.1.10.2 tron case 1: /* i82541PI Gig-E */ 108 1.1.10.2 tron if (pa->pa_intrpin == 1) { 109 1.1.10.2 tron *ihp = ICU_INT_XINT(0); 110 1.1.10.2 tron return 0; 111 1.1.10.2 tron } 112 1.1.10.2 tron goto no_mapping; 113 1.1.10.2 tron 114 1.1.10.2 tron case 2: /* ATP875-A */ 115 1.1.10.2 tron if (pa->pa_intrpin == 1) { 116 1.1.10.2 tron *ihp = ICU_INT_XINT(1); 117 1.1.10.2 tron return 0; 118 1.1.10.2 tron } 119 1.1.10.2 tron goto no_mapping; 120 1.1.10.2 tron 121 1.1.10.2 tron case 3: /* echi/ochi */ 122 1.1.10.2 tron switch (pa->pa_intrpin) { 123 1.1.10.2 tron case 1: /* ohci */ 124 1.1.10.2 tron case 2: /* ohci */ 125 1.1.10.2 tron case 3: /* ehci */ 126 1.1.10.2 tron *ihp = ICU_INT_XINT(2); 127 1.1.10.2 tron return 0; 128 1.1.10.2 tron } 129 1.1.10.2 tron goto no_mapping; 130 1.1.10.2 tron 131 1.1.10.2 tron default: 132 1.1.10.2 tron no_mapping: 133 1.1.10.2 tron printf("hdlg_pci_intr_map: no mapping for %d/%d/%d\n", 134 1.1.10.2 tron pa->pa_bus, pa->pa_device, pa->pa_function); 135 1.1.10.2 tron return 1; 136 1.1.10.2 tron } 137 1.1.10.2 tron 138 1.1.10.2 tron return 0; 139 1.1.10.2 tron } 140 1.1.10.2 tron 141 1.1.10.2 tron const char * 142 1.1.10.2 tron hdlg_pci_intr_string(void *v, pci_intr_handle_t ih) 143 1.1.10.2 tron { 144 1.1.10.2 tron 145 1.1.10.2 tron return i80321_irqnames[ih]; 146 1.1.10.2 tron } 147 1.1.10.2 tron 148 1.1.10.2 tron const struct evcnt * 149 1.1.10.2 tron hdlg_pci_intr_evcnt(void *v, pci_intr_handle_t ih) 150 1.1.10.2 tron { 151 1.1.10.2 tron 152 1.1.10.2 tron /* XXX For now. */ 153 1.1.10.2 tron return NULL; 154 1.1.10.2 tron } 155 1.1.10.2 tron 156 1.1.10.2 tron void * 157 1.1.10.2 tron hdlg_pci_intr_establish(void *v, pci_intr_handle_t ih, int ipl, 158 1.1.10.2 tron int (*func)(void *), void *arg) 159 1.1.10.2 tron { 160 1.1.10.2 tron 161 1.1.10.2 tron return i80321_intr_establish(ih, ipl, func, arg); 162 1.1.10.2 tron } 163 1.1.10.2 tron 164 1.1.10.2 tron void 165 1.1.10.2 tron hdlg_pci_intr_disestablish(void *v, void *cookie) 166 1.1.10.2 tron { 167 1.1.10.2 tron 168 1.1.10.2 tron i80321_intr_disestablish(cookie); 169 1.1.10.2 tron } 170
Indexes created Thu Sep 25 02:09:54 GMT 2025