1 /* $NetBSD: autoconf.c,v 1.12 2010/01/22 08:56:05 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas <matt@3am-software.com>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.12 2010/01/22 08:56:05 martin Exp $"); 34 35 #include "opt_md.h" 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/reboot.h> 40 #include <sys/disklabel.h> 41 #include <sys/device.h> 42 #include <sys/conf.h> 43 #include <sys/kernel.h> 44 #include <sys/malloc.h> 45 46 #include <net/if.h> 47 #include <net/if_ether.h> 48 49 #include <machine/autoconf.h> 50 #include <machine/intr.h> 51 52 #include <iyonix/iyonix/iyonixvar.h> 53 54 #include <acorn32/include/bootconfig.h> 55 56 struct device *booted_device; 57 int booted_partition; 58 59 extern struct bootconfig bootconfig; 60 61 /* 62 * Set up the root device from the boot args 63 */ 64 void 65 cpu_rootconf(void) 66 { 67 aprint_normal("boot device: %s\n", 68 booted_device != NULL ? booted_device->dv_xname : "<unknown>"); 69 setroot(booted_device, booted_partition); 70 } 71 72 73 /* 74 * void cpu_configure() 75 * 76 * Configure all the root devices 77 * The root devices are expected to configure their own children 78 */ 79 void 80 cpu_configure(void) 81 { 82 struct mainbus_attach_args maa; 83 84 (void) splhigh(); 85 (void) splserial(); /* XXX need an splextreme() */ 86 87 maa.ma_name = "mainbus"; 88 89 config_rootfound("mainbus", &maa); 90 91 /* Time to start taking interrupts so lets open the flood gates .... */ 92 spl0(); 93 } 94 95 #define BUILTIN_ETHERNET_P(pa) \ 96 ((pa)->pa_bus == 0 && (pa)->pa_device == 4 && (pa)->pa_function == 0) 97 98 #define SETPROP(x, y) \ 99 do { \ 100 if (prop_dictionary_set(device_properties(dev), \ 101 x, y) == false) { \ 102 printf("WARNING: unable to set " x " " \ 103 "property for %s\n", dev->dv_xname); \ 104 } \ 105 prop_object_release(y); \ 106 } while (/*CONSTCOND*/0) 107 108 void 109 device_register(struct device *dev, void *aux) 110 { 111 struct device *pdev; 112 113 if ((pdev = device_parent(dev)) != NULL && 114 device_is_a(pdev, "pci")) { 115 struct pci_attach_args *pa = aux; 116 117 if (BUILTIN_ETHERNET_P(pa)) { 118 prop_number_t cfg1, cfg2, swdpin; 119 prop_data_t mac; 120 121 /* 122 * We set these configuration registers to 0, 123 * because it's the closest we have to "leave them 124 * alone". That and, it works. 125 */ 126 cfg1 = prop_number_create_integer(0); 127 KASSERT(cfg1 != NULL); 128 cfg2 = prop_number_create_integer(0); 129 KASSERT(cfg2 != NULL); 130 swdpin = prop_number_create_integer(0); 131 KASSERT(swdpin != NULL); 132 133 mac = prop_data_create_data_nocopy(iyonix_macaddr, 134 ETHER_ADDR_LEN); 135 KASSERT(mac != NULL); 136 137 SETPROP("mac-address", mac); 138 SETPROP("i82543-cfg1", cfg1); 139 SETPROP("i82543-cfg2", cfg2); 140 SETPROP("i82543-swdpin", swdpin); 141 } 142 } 143 144 if (device_is_a(dev, "genfb") && 145 device_is_a(device_parent(dev), "pci") ) { 146 prop_dictionary_t dict = device_properties(dev); 147 struct pci_attach_args *pa = aux; 148 pcireg_t bar0, bar1; 149 uint32_t fbaddr; 150 bus_space_handle_t vgah; 151 152 bar0 = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_START); 153 bar1 = pci_conf_read(pa->pa_pc, pa->pa_tag, 154 PCI_MAPREG_START + 0x04); 155 156 /* 157 * We need to prod the VGA card to disable interrupts, since 158 * RISC OS has been using them and we don't know how to 159 * handle them. This assumes that we have a NVidia 160 * GeForce 2 MX card as supplied with the Iyonix and 161 * as (probably) required by RISC OS in order to boot. 162 * If you write your own RISC OS driver for a different card, 163 * you're on your own. 164 */ 165 166 /* We're guessing at the numbers here, guys */ 167 #define VGASIZE 0x1000 168 #define IRQENABLE_ADDR 0x140 169 170 bus_space_map(pa->pa_memt, PCI_MAPREG_MEM_ADDR(bar0), 171 VGASIZE, 0, &vgah); 172 bus_space_write_4(pa->pa_memt, vgah, 0x140, 0); 173 bus_space_unmap(pa->pa_memt, vgah, 0x1000); 174 175 fbaddr = PCI_MAPREG_MEM_ADDR(bar1); 176 177 prop_dictionary_set_bool(dict, "is_console", 1); 178 prop_dictionary_set_uint32(dict, "width", 179 bootconfig.width + 1); 180 prop_dictionary_set_uint32(dict, "height", 181 bootconfig.height + 1); 182 prop_dictionary_set_uint32(dict, "depth", 183 1 << bootconfig.log2_bpp); 184 prop_dictionary_set_uint32(dict, "address", fbaddr); 185 } 186 } 187