aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/bcm47xx/setup.c
blob: 87a305536604ffd0dbb48b590cef7cfae48ed04d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
 *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
 *  Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
 *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/types.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
#include <asm/mach-bcm47xx/nvram.h>

struct ssb_bus ssb_bcm47xx;
EXPORT_SYMBOL(ssb_bcm47xx);

static void bcm47xx_machine_restart(char *command)
{
	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
	local_irq_disable();
	/* Set the watchdog timer to reset immediately */
	ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
	while (1)
		cpu_relax();
}

static void bcm47xx_machine_halt(void)
{
	/* Disable interrupts and watchdog and spin forever */
	local_irq_disable();
	ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
	while (1)
		cpu_relax();
}

#define READ_FROM_NVRAM(_outvar, name, buf) \
	if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
		sprom->_outvar = simple_strtoul(buf, NULL, 0);

static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
{
	char buf[100];
	u32 boardflags;

	memset(sprom, 0, sizeof(struct ssb_sprom));

	sprom->revision = 1; /* Fallback: Old hardware does not define this. */
	READ_FROM_NVRAM(revision, "sromrev", buf);
	if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0)
		nvram_parse_macaddr(buf, sprom->il0mac);
	if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
		nvram_parse_macaddr(buf, sprom->et0mac);
	if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
		nvram_parse_macaddr(buf, sprom->et1mac);
	READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
	READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
	READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
	READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
	READ_FROM_NVRAM(board_rev, "boardrev", buf);
	READ_FROM_NVRAM(country_code, "ccode", buf);
	READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
	READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
	READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
	READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
	READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
	READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
	READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
	READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
	READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
	READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
	READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
	READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf);
	READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf);
	READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf);
	READ_FROM_NVRAM(gpio0, "wl0gpio0", buf);
	READ_FROM_NVRAM(gpio1, "wl0gpio1", buf);
	READ_FROM_NVRAM(gpio2, "wl0gpio2", buf);
	READ_FROM_NVRAM(gpio3, "wl0gpio3", buf);
	READ_FROM_NVRAM(maxpwr_bg, "pa0maxpwr", buf);
	READ_FROM_NVRAM(maxpwr_al, "pa1lomaxpwr", buf);
	READ_FROM_NVRAM(maxpwr_a, "pa1maxpwr", buf);
	READ_FROM_NVRAM(maxpwr_ah, "pa1himaxpwr", buf);
	READ_FROM_NVRAM(itssi_a, "pa1itssit", buf);
	READ_FROM_NVRAM(itssi_bg, "pa0itssit", buf);
	READ_FROM_NVRAM(tri2g, "tri2g", buf);
	READ_FROM_NVRAM(tri5gl, "tri5gl", buf);
	READ_FROM_NVRAM(tri5g, "tri5g", buf);
	READ_FROM_NVRAM(tri5gh, "tri5gh", buf);
	READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf);
	READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
	READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
	READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
	READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
	READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
	READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
	READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
	READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf);
	READ_FROM_NVRAM(bxa5g, "bxa5g", buf);
	READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf);
	READ_FROM_NVRAM(ofdm2gpo, "ofdm2gpo", buf);
	READ_FROM_NVRAM(ofdm5glpo, "ofdm5glpo", buf);
	READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
	READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);

	if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) {
		boardflags = simple_strtoul(buf, NULL, 0);
		if (boardflags) {
			sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
			sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
		}
	}
	if (nvram_getenv("boardflags2", buf, sizeof(buf)) >= 0) {
		boardflags = simple_strtoul(buf, NULL, 0);
		if (boardflags) {
			sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
			sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
		}
	}
}

static int bcm47xx_get_invariants(struct ssb_bus *bus,
				   struct ssb_init_invariants *iv)
{
	char buf[20];

	/* Fill boardinfo structure */
	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));

	if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
		iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
	else
		iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
	if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);

	bcm47xx_fill_sprom(&iv->sprom);

	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);

	return 0;
}

void __init plat_mem_setup(void)
{
	int err;

	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
				      bcm47xx_get_invariants);
	if (err)
		panic("Failed to initialize SSB bus (err %d)\n", err);

	_machine_restart = bcm47xx_machine_restart;
	_machine_halt = bcm47xx_machine_halt;
	pm_power_off = bcm47xx_machine_halt;
}