1 /*        $NetBSD: autoconf.c,v 1.17 2012/07/29 18:05:42 mlelstv Exp $          */
2 
3 /*-
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
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  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *        @(#)autoconf.c      7.1 (Berkeley) 5/9/91
35  */
36 
37 /*
38  * Setup the system to run on the current machine.
39  *
40  * Configure() is called at boot time and initializes the vba
41  * device tables and the memory controller monitoring.  Available
42  * devices are determined (from possibilities mentioned in ioconf.c),
43  * and the drivers are initialized.
44  */
45 
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.17 2012/07/29 18:05:42 mlelstv Exp $");
48 
49 #include <sys/param.h>
50 #include <sys/conf.h>
51 #include <sys/device_if.h>
52 #include <sys/reboot.h>
53 #include <sys/systm.h>
54 
55 #include <net/if.h>
56 #include <net/if_ether.h>
57 
58 #include <dev/pci/pcivar.h>
59 
60 #include <machine/pci_machdep.h>
61 
62 #include <dev/marvell/gtpcivar.h>
63 #include <dev/marvell/gtreg.h>
64 #include <dev/marvell/marvellvar.h>
65 
66 
67 static void findroot(void);
68 
69 
70 /*
71  * Determine i/o configuration for a machine.
72  */
73 void
cpu_configure(void)74 cpu_configure(void)
75 {
76 
77           if (config_rootfound("mainbus", NULL) == NULL)
78                     panic("configure: mainbus not configured");
79 
80           spl0();
81 }
82 
83 void
cpu_rootconf(void)84 cpu_rootconf(void)
85 {
86           findroot();
87 
88           printf("boot device: %s\n",
89               booted_device ? device_xname(booted_device) : "<unknown>");
90 
91           rootconf();
92 }
93 
94 dev_t     bootdev = 0;
95 
96 /*
97  * Attempt to find the device from which we were booted.
98  * If we can do so, and not instructed not to do so,
99  * change rootdev to correspond to the load device.
100  */
101 static void
findroot(void)102 findroot(void)
103 {
104           device_t dv;
105           const char *name;
106 
107 #if 0
108           printf("howto %x bootdev %x ", boothowto, bootdev);
109 #endif
110 
111           if ((bootdev & B_MAGICMASK) != (u_long)B_DEVMAGIC)
112                     return;
113 
114 
115           name = devsw_blk2name(B_TYPE(bootdev));
116           if (name == NULL)
117                     return;
118 
119           if ((dv = device_find_by_driver_unit(name, B_UNIT(bootdev))) != NULL) {
120                     booted_device = dv;
121                     booted_partition = B_PARTITION(bootdev);
122           }
123 }
124 
125 void
device_register(device_t dev,void * aux)126 device_register(device_t dev, void *aux)
127 {
128           prop_dictionary_t dict = device_properties(dev);
129 
130           if (device_is_a(dev, "gfe") &&
131               device_is_a(device_parent(dev), "gt") ) {
132                     struct marvell_attach_args *mva = aux;
133                     prop_data_t mac;
134                     char enaddr[ETHER_ADDR_LEN] =
135                         { 0x02, 0x00, 0x04, 0x00, 0x00, 0x04 };
136 
137                     switch (mva->mva_offset) {
138                     case ETH0_BASE:     enaddr[5] |= 0; break;
139                     case ETH1_BASE: enaddr[5] |= 1; break;
140                     case ETH2_BASE: enaddr[5] |= 2; break;
141                     default:
142                               aprint_error("WARNING: unknown mac-no. for %s\n",
143                                   device_xname(dev));
144                     }
145 
146                     mac = prop_data_create_data_nocopy(enaddr, ETHER_ADDR_LEN);
147                     KASSERT(mac != NULL);
148                     if (prop_dictionary_set(dict, "mac-addr", mac) == false)
149                               aprint_error(
150                                   "WARNING: unable to set mac-addr property for %s\n",
151                                   device_xname(dev));
152                     prop_object_release(mac);
153           }
154           if (device_is_a(dev, "gtpci")) {
155                     extern struct gtpci_prot gtpci_prot;
156                     extern struct powerpc_bus_space
157                         ev64260_pci0_io_bs_tag, ev64260_pci0_mem_bs_tag,
158                         ev64260_pci1_io_bs_tag, ev64260_pci1_mem_bs_tag;
159                     extern struct genppc_pci_chipset
160                         genppc_gtpci0_chipset, genppc_gtpci1_chipset;
161 
162                     struct marvell_attach_args *mva = aux;
163                     struct powerpc_bus_space *pci_io_bs_tag, *pci_mem_bs_tag;
164                     struct genppc_pci_chipset *genppc_gtpci_chipset;
165                     prop_data_t prot, io_bs_tag, mem_bs_tag, pc;
166 
167                     if (mva->mva_unit == 0) {
168                               pci_io_bs_tag = &ev64260_pci0_io_bs_tag;
169                               pci_mem_bs_tag = &ev64260_pci0_mem_bs_tag;
170                               genppc_gtpci_chipset = &genppc_gtpci0_chipset;
171                     } else {
172                               pci_io_bs_tag = &ev64260_pci1_io_bs_tag;
173                               pci_mem_bs_tag = &ev64260_pci1_mem_bs_tag;
174                               genppc_gtpci_chipset = &genppc_gtpci1_chipset;
175                     }
176 
177                     prot = prop_data_create_data_nocopy(
178                         &gtpci_prot, sizeof(struct gtpci_prot));
179                     KASSERT(prot != NULL);
180                     prop_dictionary_set(dict, "prot", prot);
181                     prop_object_release(prot);
182                     io_bs_tag = prop_data_create_data_nocopy(
183                         pci_io_bs_tag, sizeof(struct powerpc_bus_space));
184                     KASSERT(io_bs_tag != NULL);
185                     prop_dictionary_set(dict, "io-bus-tag", io_bs_tag);
186                     prop_object_release(io_bs_tag);
187                     mem_bs_tag = prop_data_create_data_nocopy(
188                         pci_mem_bs_tag, sizeof(struct powerpc_bus_space));
189                     KASSERT(mem_bs_tag != NULL);
190                     prop_dictionary_set(dict, "mem-bus-tag", mem_bs_tag);
191                     prop_object_release(mem_bs_tag);
192 
193                     genppc_gtpci_chipset->pc_conf_v = device_private(dev);
194                     pc = prop_data_create_data_nocopy(genppc_gtpci_chipset,
195                         sizeof(struct genppc_pci_chipset));
196                     KASSERT(pc != NULL);
197                     prop_dictionary_set(dict, "pci-chipset", pc);
198                     prop_object_release(pc);
199 
200                     prop_dictionary_set_uint64(dict, "iostart", 0x00000600);
201                     prop_dictionary_set_uint64(dict, "ioend", 0x0000ffff);
202                     prop_dictionary_set_uint64(dict, "memstart",
203                         pci_mem_bs_tag->pbs_base);
204                     prop_dictionary_set_uint64(dict, "memend",
205                         pci_mem_bs_tag->pbs_limit - 1);
206                     prop_dictionary_set_uint32(dict, "cache-line-size", 32);
207           }
208           if (device_is_a(dev, "obio") &&
209               device_is_a(device_parent(dev), "gt") ) {
210                     extern struct powerpc_bus_space *ev64260_obio_bs_tags[5];
211                     struct marvell_attach_args *mva = aux;
212                     struct powerpc_bus_space *bst =
213                         ev64260_obio_bs_tags[mva->mva_unit];
214                     prop_data_t bstd;
215 
216                     bstd =
217                         prop_data_create_data_nocopy(bst, sizeof(bus_space_tag_t));
218                     KASSERT(bstd != NULL);
219                     if (prop_dictionary_set(dict, "bus-tag", bstd) == false)
220                               aprint_error(
221                                   "WARNING: unable to set bus-tag property for %s\n",
222                                   device_xname(dev));
223                     prop_object_release(bstd);
224           }
225 }
226