mtx-1.c revision 1.3.22.2
1 1.3.22.2 rpaulo /* $NetBSD: mtx-1.c,v 1.3.22.2 2006/09/09 02:38:55 rpaulo Exp $ */ 2 1.3.22.2 rpaulo 3 1.3.22.2 rpaulo /*- 4 1.3.22.2 rpaulo * Copyright (c) 2006 Itronix Inc. 5 1.3.22.2 rpaulo * All rights reserved. 6 1.3.22.2 rpaulo * 7 1.3.22.2 rpaulo * Written by Garrett D'Amore for Itronix Inc. 8 1.3.22.2 rpaulo * 9 1.3.22.2 rpaulo * Redistribution and use in source and binary forms, with or without 10 1.3.22.2 rpaulo * modification, are permitted provided that the following conditions 11 1.3.22.2 rpaulo * are met: 12 1.3.22.2 rpaulo * 1. Redistributions of source code must retain the above copyright 13 1.3.22.2 rpaulo * notice, this list of conditions and the following disclaimer. 14 1.3.22.2 rpaulo * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.22.2 rpaulo * notice, this list of conditions and the following disclaimer in the 16 1.3.22.2 rpaulo * documentation and/or other materials provided with the distribution. 17 1.3.22.2 rpaulo * 3. The name of Itronix Inc. may not be used to endorse 18 1.3.22.2 rpaulo * or promote products derived from this software without specific 19 1.3.22.2 rpaulo * prior written permission. 20 1.3.22.2 rpaulo * 21 1.3.22.2 rpaulo * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 1.3.22.2 rpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 1.3.22.2 rpaulo * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 1.3.22.2 rpaulo * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 1.3.22.2 rpaulo * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 1.3.22.2 rpaulo * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 1.3.22.2 rpaulo * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 1.3.22.2 rpaulo * ON ANY THEORY OF LIABILITY, WHETHER IN 29 1.3.22.2 rpaulo * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 1.3.22.2 rpaulo * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 1.3.22.2 rpaulo * POSSIBILITY OF SUCH DAMAGE. 32 1.3.22.2 rpaulo */ 33 1.3.22.2 rpaulo 34 1.3.22.2 rpaulo #include <sys/cdefs.h> 35 1.3.22.2 rpaulo __KERNEL_RCSID(0, "$NetBSD: mtx-1.c,v 1.3.22.2 2006/09/09 02:38:55 rpaulo Exp $"); 36 1.3.22.2 rpaulo 37 1.3.22.2 rpaulo #include <sys/param.h> 38 1.3.22.2 rpaulo #include <machine/bus.h> 39 1.3.22.2 rpaulo #include <machine/locore.h> 40 1.3.22.2 rpaulo #include <evbmips/alchemy/obiovar.h> 41 1.3.22.2 rpaulo #include <evbmips/alchemy/board.h> 42 1.3.22.2 rpaulo 43 1.3.22.2 rpaulo #define MTX1_RESET 0xE00001C 44 1.3.22.2 rpaulo 45 1.3.22.2 rpaulo #define GET16(x) \ 46 1.3.22.2 rpaulo (*((volatile uint16_t *)MIPS_PHYS_TO_KSEG1(x))) 47 1.3.22.2 rpaulo #define PUT16(x, v) \ 48 1.3.22.2 rpaulo (*((volatile uint16_t *)MIPS_PHYS_TO_KSEG1(x)) = (v)) 49 1.3.22.2 rpaulo 50 1.3.22.2 rpaulo static void mtx1_init(void); 51 1.3.22.2 rpaulo static int mtx1_pci_intr_map(struct pci_attach_args *, 52 1.3.22.2 rpaulo pci_intr_handle_t *); 53 1.3.22.2 rpaulo static void mtx1_reboot(void); 54 1.3.22.2 rpaulo 55 1.3.22.2 rpaulo static const struct obiodev mtx1_devices[] = { 56 1.3.22.2 rpaulo #if 0 57 1.3.22.2 rpaulo { "aupcmcia", -1, -1 }, 58 1.3.22.2 rpaulo { "auaudio", -1, -1 }, 59 1.3.22.2 rpaulo #endif 60 1.3.22.2 rpaulo { NULL }, 61 1.3.22.2 rpaulo }; 62 1.3.22.2 rpaulo 63 1.3.22.2 rpaulo static struct alchemy_board mtx1_info = { 64 1.3.22.2 rpaulo "4G Systems MTX-1", 65 1.3.22.2 rpaulo mtx1_devices, 66 1.3.22.2 rpaulo mtx1_init, 67 1.3.22.2 rpaulo mtx1_pci_intr_map, 68 1.3.22.2 rpaulo mtx1_reboot, 69 1.3.22.2 rpaulo NULL, /* poweroff */ 70 1.3.22.2 rpaulo }; 71 1.3.22.2 rpaulo 72 1.3.22.2 rpaulo const struct alchemy_board * 73 1.3.22.2 rpaulo board_info(void) 74 1.3.22.2 rpaulo { 75 1.3.22.2 rpaulo 76 1.3.22.2 rpaulo return &mtx1_info; 77 1.3.22.2 rpaulo } 78 1.3.22.2 rpaulo 79 1.3.22.2 rpaulo void 80 1.3.22.2 rpaulo mtx1_init(void) 81 1.3.22.2 rpaulo { 82 1.3.22.2 rpaulo 83 1.3.22.2 rpaulo if (MIPS_PRID_COPTS(cpu_id) != MIPS_AU1500) 84 1.3.22.2 rpaulo panic("mtx-1: CPU not an AU1500!"); 85 1.3.22.2 rpaulo 86 1.3.22.2 rpaulo /* 87 1.3.22.2 rpaulo * If we had any kind of identification registers, we could 88 1.3.22.2 rpaulo * print them here. Apparently the MTX-1 doesn't have that 89 1.3.22.2 rpaulo * kind of info. 90 1.3.22.2 rpaulo */ 91 1.3.22.2 rpaulo 92 1.3.22.2 rpaulo /* leave console and clocks alone -- YAMON should have got it right! */ 93 1.3.22.2 rpaulo } 94 1.3.22.2 rpaulo 95 1.3.22.2 rpaulo int 96 1.3.22.2 rpaulo mtx1_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp) 97 1.3.22.2 rpaulo { 98 1.3.22.2 rpaulo /* 99 1.3.22.2 rpaulo * The board has up to 4 adapters, each with two minipci slots, 100 1.3.22.2 rpaulo * giving up to 8 devices. Each slot 0 is the top, and slot 1 101 1.3.22.2 rpaulo * is the bottom. 102 1.3.22.2 rpaulo * 103 1.3.22.2 rpaulo * As these are mini PCI slots, only 2 interrupt pins can be 104 1.3.22.2 rpaulo * used on each slot. 105 1.3.22.2 rpaulo */ 106 1.3.22.2 rpaulo static const int irqmap[8/*device*/][4/*pin*/] = { 107 1.3.22.2 rpaulo { 1, 2, -1, -1 }, /* IDSEL 0 - Adapter A - Slot 0 */ 108 1.3.22.2 rpaulo { 1, 2, -1, -1 }, /* IDSEL 1 - Adapter A - Slot 1 */ 109 1.3.22.2 rpaulo { 4, 5, -1, -1 }, /* IDSEL 2 - Adapter B - Slot 0 */ 110 1.3.22.2 rpaulo { 5, 4, -1, -1 }, /* IDSEL 3 - Adapter B - Slot 1 */ 111 1.3.22.2 rpaulo 112 1.3.22.2 rpaulo { 1, 2, -1, -1 }, /* IDSEL 4 - Adapter C - Slot 0 */ 113 1.3.22.2 rpaulo { 1, 2, -1, -1 }, /* IDSEL 5 - Adapter C - Slot 1 */ 114 1.3.22.2 rpaulo { 4, 5, -1, -1 }, /* IDSEL 6 - Adapter D - Slot 0 */ 115 1.3.22.2 rpaulo { 5, 4, -1, -1 }, /* IDSEL 7 - Adapter D - Slot 1 */ 116 1.3.22.2 rpaulo }; 117 1.3.22.2 rpaulo int pin, dev, irq; 118 1.3.22.2 rpaulo 119 1.3.22.2 rpaulo /* if interrupt pin not used... */ 120 1.3.22.2 rpaulo if ((pin = pa->pa_intrpin) == 0) 121 1.3.22.2 rpaulo return 1; 122 1.3.22.2 rpaulo 123 1.3.22.2 rpaulo if (pin > 4) { 124 1.3.22.2 rpaulo printf("pci: bad interrupt pin %d\n", pin); 125 1.3.22.2 rpaulo return 1; 126 1.3.22.2 rpaulo } 127 1.3.22.2 rpaulo 128 1.3.22.2 rpaulo pci_decompose_tag(pa->pa_pc, pa->pa_intrtag, NULL, &dev, NULL); 129 1.3.22.2 rpaulo if ((dev < 0) || (dev > 7)) { 130 1.3.22.2 rpaulo printf("pci: bad device %d\n", dev); 131 1.3.22.2 rpaulo return 1; 132 1.3.22.2 rpaulo } 133 1.3.22.2 rpaulo 134 1.3.22.2 rpaulo if ((irq = irqmap[dev][pin - 1]) == -1) { 135 1.3.22.2 rpaulo printf("pci: no IRQ routing for device %d pin %d\n", dev, pin); 136 1.3.22.2 rpaulo return 1; 137 1.3.22.2 rpaulo } 138 1.3.22.2 rpaulo 139 1.3.22.2 rpaulo *ihp = irq; 140 1.3.22.2 rpaulo return 0; 141 1.3.22.2 rpaulo } 142 1.3.22.2 rpaulo 143 1.3.22.2 rpaulo void 144 1.3.22.2 rpaulo mtx1_reboot(void) 145 1.3.22.2 rpaulo { 146 1.3.22.2 rpaulo /* fyi, this looks like the same as the DBAu1500 reset */ 147 1.3.22.2 rpaulo PUT16(MTX1_RESET , 0); 148 1.3.22.2 rpaulo delay(100000); /* 100 msec */ 149 1.3.22.2 rpaulo } 150
Indexes created Tue Oct 28 12:10:06 GMT 2025