xref: /netbsd-src/sys/arch/evbmips/cavium/autoconf.c (revision f17b710f3d406bee67aa39c65053114ab78297c5)
1 /*	$NetBSD: autoconf.c,v 1.3 2015/06/06 22:23:31 matt Exp $	*/
2 
3 /*
4  * Copyright 2002 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Simon Burge for Wasabi Systems, Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software developed for the NetBSD Project by
20  *      Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.3 2015/06/06 22:23:31 matt Exp $");
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/buf.h>
44 #include <sys/conf.h>
45 #include <sys/device.h>
46 
47 #include <net/if_ether.h>
48 
49 #include <mips/cpu.h>
50 #include <mips/locore.h>
51 
52 #include <evbmips/cavium/octeon_uboot.h>
53 
54 static void	findroot(void);
55 
56 void
57 cpu_configure(void)
58 {
59 
60 	intr_init();
61 
62 	/* Kick off autoconfiguration. */
63 	(void)splhigh();
64 	if (config_rootfound("mainbus", NULL) == NULL)
65 		panic("no mainbus found");
66 
67 	/* XXX need this? */
68 	(void)spl0();
69 	KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);
70 }
71 
72 void
73 cpu_rootconf(void)
74 {
75 	findroot();
76 
77 	printf("boot device: %s\n",
78 		booted_device ? booted_device->dv_xname : "<unknown>");
79 
80 	rootconf();
81 }
82 
83 extern char	bootstring[];
84 extern int	netboot;
85 
86 static void
87 findroot(void)
88 {
89 	device_t dv;
90 	deviter_t di;
91 
92 	if (booted_device)
93 		return;
94 
95 	if ((booted_device == NULL) && netboot == 0) {
96 		for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
97 		     dv = deviter_next(&di)) {
98 			if (device_class(dv) == DV_DISK &&
99 			    device_is_a(dv, "sd"))
100 				    booted_device = dv;
101 		}
102 		deviter_release(&di);
103 	}
104 
105 	/*
106 	 * XXX Match up MBR boot specification with BSD disklabel for root?
107 	 */
108 	booted_partition = 0;
109 
110 	return;
111 }
112 
113 static void
114 prop_set_cnmac(device_t dev)
115 {
116 	prop_dictionary_t dict = device_properties(dev);
117 	prop_data_t pd;
118 	prop_number_t pn;
119 	uint8_t enaddr[ETHER_ADDR_LEN];
120 	uint32_t mac_lo;
121 	int unit = device_unit(dev);
122 
123 	/* ethernet mac address */
124 	memcpy(enaddr, octeon_btinfo.obt_mac_addr_base,
125 	    sizeof(enaddr));
126 	mac_lo = enaddr[3] << 16;
127 	mac_lo += enaddr[4] << 8;
128 	mac_lo += enaddr[5];
129 	KASSERT(unit < octeon_btinfo.obt_mac_addr_count);
130 	mac_lo += unit;
131 	enaddr[3] = (mac_lo >> 16) & 0xff;
132 	enaddr[4] = (mac_lo >> 8) & 0xff;
133 	enaddr[5] = mac_lo & 0xff;
134 	pd = prop_data_create_data(enaddr, ETHER_ADDR_LEN);
135 	KASSERT(pd != NULL);
136 	prop_dictionary_set_and_rel(dict, "mac-address", pd);
137 
138 	/* ethernet phy adddress */
139 	switch (octeon_btinfo.obt_board_type) {
140 	case BOARD_TYPE_UBIQUITI_E100:
141 		pn = prop_number_create_integer(0x07 - unit);
142 		break;
143 	default:
144 		pn = prop_number_create_integer(-1);
145 		break;
146 	}
147 	KASSERT(pn != NULL);
148 	prop_dictionary_set_and_rel(dict, "phy-addr", pn);
149 }
150 
151 static void
152 prop_set_octeon_gmx(device_t dev)
153 {
154 	prop_dictionary_t dict = device_properties(dev);
155 	prop_number_t tx, rx;
156 
157 	/* ethernet rgmii phy dependent timing parameter. */
158 	switch (octeon_btinfo.obt_board_type) {
159 	case BOARD_TYPE_UBIQUITI_E100:
160 		tx = prop_number_create_integer(16);
161 		rx = prop_number_create_integer(0);
162 		break;
163 	default:
164 		tx = prop_number_create_integer(0);
165 		rx = prop_number_create_integer(0);
166 		break;
167 	}
168 	KASSERT(tx != NULL);
169 	KASSERT(rx != NULL);
170 	prop_dictionary_set_and_rel(dict, "rgmii-tx", tx);
171 	prop_dictionary_set_and_rel(dict, "rgmii-rx", rx);
172 }
173 
174 void
175 device_register(device_t dev, void *aux)
176 {
177 	if ((booted_device == NULL) && (netboot == 1))
178 		if (device_class(dev) == DV_IFNET)
179 			booted_device = dev;
180 
181 	if (device_is_a(dev, "cnmac")) {
182 		prop_set_cnmac(dev);
183 	} else if (device_is_a(dev, "octeon_gmx")) {
184 		prop_set_octeon_gmx(dev);
185 	}
186 }
187