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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/*
* 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>
* Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
*
* 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_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
sprom->_outvar = simple_strtoul(buf, NULL, 0);
#define READ_FROM_NVRAM2(_outvar, name1, name2, buf) \
if (nvram_getprefix(prefix, name1, buf, sizeof(buf)) >= 0 || \
nvram_getprefix(prefix, name2, buf, sizeof(buf)) >= 0)\
sprom->_outvar = simple_strtoul(buf, NULL, 0);
static inline int nvram_getprefix(const char *prefix, char *name,
char *buf, int len)
{
if (prefix) {
char key[100];
snprintf(key, sizeof(key), "%s%s", prefix, name);
return nvram_getenv(key, buf, len);
}
return nvram_getenv(name, buf, len);
}
static u32 nvram_getu32(const char *name, char *buf, int len)
{
int rv;
char key[100];
u16 var0, var1;
snprintf(key, sizeof(key), "%s0", name);
rv = nvram_getenv(key, buf, len);
/* return 0 here so this looks like unset */
if (rv < 0)
return 0;
var0 = simple_strtoul(buf, NULL, 0);
snprintf(key, sizeof(key), "%s1", name);
rv = nvram_getenv(key, buf, len);
if (rv < 0)
return 0;
var1 = simple_strtoul(buf, NULL, 0);
return var1 << 16 | var0;
}
static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
{
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_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0 ||
nvram_getprefix(prefix, "macaddr", buf, sizeof(buf)) >= 0)
nvram_parse_macaddr(buf, sprom->il0mac);
if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0)
nvram_parse_macaddr(buf, sprom->et0mac);
if (nvram_getprefix(prefix, "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_NVRAM2(gpio0, "ledbh0", "wl0gpio0", buf);
READ_FROM_NVRAM2(gpio1, "ledbh1", "wl0gpio1", buf);
READ_FROM_NVRAM2(gpio2, "ledbh2", "wl0gpio2", buf);
READ_FROM_NVRAM2(gpio3, "ledbh3", "wl0gpio3", buf);
READ_FROM_NVRAM2(maxpwr_bg, "maxp2ga0", "pa0maxpwr", buf);
READ_FROM_NVRAM2(maxpwr_al, "maxp5gla0", "pa1lomaxpwr", buf);
READ_FROM_NVRAM2(maxpwr_a, "maxp5ga0", "pa1maxpwr", buf);
READ_FROM_NVRAM2(maxpwr_ah, "maxp5gha0", "pa1himaxpwr", buf);
READ_FROM_NVRAM2(itssi_bg, "itt5ga0", "pa0itssit", buf);
READ_FROM_NVRAM2(itssi_a, "itt2ga0", "pa1itssit", 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(txpid2g[0], "txpid2ga0", buf);
READ_FROM_NVRAM(txpid2g[1], "txpid2ga1", buf);
READ_FROM_NVRAM(txpid2g[2], "txpid2ga2", buf);
READ_FROM_NVRAM(txpid2g[3], "txpid2ga3", buf);
READ_FROM_NVRAM(txpid5g[0], "txpid5ga0", buf);
READ_FROM_NVRAM(txpid5g[1], "txpid5ga1", buf);
READ_FROM_NVRAM(txpid5g[2], "txpid5ga2", buf);
READ_FROM_NVRAM(txpid5g[3], "txpid5ga3", buf);
READ_FROM_NVRAM(txpid5gl[0], "txpid5gla0", buf);
READ_FROM_NVRAM(txpid5gl[1], "txpid5gla1", buf);
READ_FROM_NVRAM(txpid5gl[2], "txpid5gla2", buf);
READ_FROM_NVRAM(txpid5gl[3], "txpid5gla3", buf);
READ_FROM_NVRAM(txpid5gh[0], "txpid5gha0", buf);
READ_FROM_NVRAM(txpid5gh[1], "txpid5gha1", buf);
READ_FROM_NVRAM(txpid5gh[2], "txpid5gha2", buf);
READ_FROM_NVRAM(txpid5gh[3], "txpid5gha3", 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);
sprom->ofdm2gpo = nvram_getu32("ofdm2gpo", buf, sizeof(buf));
sprom->ofdm5glpo = nvram_getu32("ofdm5glpo", buf, sizeof(buf));
sprom->ofdm5gpo = nvram_getu32("ofdm5gpo", buf, sizeof(buf));
sprom->ofdm5ghpo = nvram_getu32("ofdm5ghpo", buf, sizeof(buf));
READ_FROM_NVRAM(antenna_gain.ghz24.a0, "ag0", buf);
READ_FROM_NVRAM(antenna_gain.ghz24.a1, "ag1", buf);
READ_FROM_NVRAM(antenna_gain.ghz24.a2, "ag2", buf);
READ_FROM_NVRAM(antenna_gain.ghz24.a3, "ag3", buf);
memcpy(&sprom->antenna_gain.ghz5, &sprom->antenna_gain.ghz24,
sizeof(sprom->antenna_gain.ghz5));
if (nvram_getprefix(prefix, "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_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) {
boardflags = simple_strtoul(buf, NULL, 0);
if (boardflags) {
sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
}
}
}
int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
{
char prefix[10];
if (bus->bustype == SSB_BUSTYPE_PCI) {
snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
bus->host_pci->bus->number + 1,
PCI_SLOT(bus->host_pci->devfn));
bcm47xx_fill_sprom(out, prefix);
return 0;
} else {
printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
return -EINVAL;
}
}
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, NULL);
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;
char buf[100];
struct ssb_mipscore *mcore;
err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom);
if (err)
printk(KERN_WARNING "bcm47xx: someone else already registered"
" a ssb SPROM callback handler (err %d)\n", 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);
mcore = &ssb_bcm47xx.mipscore;
if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
if (strstr(buf, "console=ttyS1")) {
struct ssb_serial_port port;
printk(KERN_DEBUG "Swapping serial ports!\n");
/* swap serial ports */
memcpy(&port, &mcore->serial_ports[0], sizeof(port));
memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
sizeof(port));
memcpy(&mcore->serial_ports[1], &port, sizeof(port));
}
}
_machine_restart = bcm47xx_machine_restart;
_machine_halt = bcm47xx_machine_halt;
pm_power_off = bcm47xx_machine_halt;
}
|
