Commit | Line | Data |
---|---|---|
1c0c13eb AJ |
1 | /* |
2 | * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> | |
1c0c13eb | 3 | * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> |
eb032b98 | 4 | * Copyright (C) 2006 Michael Buesch <m@bues.ch> |
121915c4 | 5 | * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> |
fe6f3642 | 6 | * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de> |
1c0c13eb AJ |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
14 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | |
16 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
19 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
20 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License along | |
25 | * with this program; if not, write to the Free Software Foundation, Inc., | |
26 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
27 | */ | |
28 | ||
29 | #include <linux/types.h> | |
30 | #include <linux/ssb/ssb.h> | |
b06f3e19 | 31 | #include <linux/ssb/ssb_embedded.h> |
25e5fb97 | 32 | #include <asm/bootinfo.h> |
1c0c13eb AJ |
33 | #include <asm/reboot.h> |
34 | #include <asm/time.h> | |
35 | #include <bcm47xx.h> | |
121915c4 | 36 | #include <asm/mach-bcm47xx/nvram.h> |
1c0c13eb | 37 | |
08ccf572 HM |
38 | union bcm47xx_bus bcm47xx_bus; |
39 | EXPORT_SYMBOL(bcm47xx_bus); | |
40 | ||
41 | enum bcm47xx_bus_type bcm47xx_bus_type; | |
42 | EXPORT_SYMBOL(bcm47xx_bus_type); | |
1c0c13eb AJ |
43 | |
44 | static void bcm47xx_machine_restart(char *command) | |
45 | { | |
46 | printk(KERN_ALERT "Please stand by while rebooting the system...\n"); | |
47 | local_irq_disable(); | |
48 | /* Set the watchdog timer to reset immediately */ | |
08ccf572 | 49 | switch (bcm47xx_bus_type) { |
a656ffcb | 50 | #ifdef CONFIG_BCM47XX_SSB |
08ccf572 HM |
51 | case BCM47XX_BUS_TYPE_SSB: |
52 | ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1); | |
53 | break; | |
a656ffcb | 54 | #endif |
08ccf572 | 55 | } |
1c0c13eb AJ |
56 | while (1) |
57 | cpu_relax(); | |
58 | } | |
59 | ||
60 | static void bcm47xx_machine_halt(void) | |
61 | { | |
62 | /* Disable interrupts and watchdog and spin forever */ | |
63 | local_irq_disable(); | |
08ccf572 | 64 | switch (bcm47xx_bus_type) { |
a656ffcb | 65 | #ifdef CONFIG_BCM47XX_SSB |
08ccf572 HM |
66 | case BCM47XX_BUS_TYPE_SSB: |
67 | ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0); | |
68 | break; | |
a656ffcb | 69 | #endif |
08ccf572 | 70 | } |
1c0c13eb AJ |
71 | while (1) |
72 | cpu_relax(); | |
73 | } | |
74 | ||
a656ffcb | 75 | #ifdef CONFIG_BCM47XX_SSB |
2aa088d6 | 76 | #define READ_FROM_NVRAM(_outvar, name, buf) \ |
a7c62f85 | 77 | if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\ |
2aa088d6 HM |
78 | sprom->_outvar = simple_strtoul(buf, NULL, 0); |
79 | ||
41790fd5 HM |
80 | #define READ_FROM_NVRAM2(_outvar, name1, name2, buf) \ |
81 | if (nvram_getprefix(prefix, name1, buf, sizeof(buf)) >= 0 || \ | |
82 | nvram_getprefix(prefix, name2, buf, sizeof(buf)) >= 0)\ | |
83 | sprom->_outvar = simple_strtoul(buf, NULL, 0); | |
84 | ||
a7c62f85 HM |
85 | static inline int nvram_getprefix(const char *prefix, char *name, |
86 | char *buf, int len) | |
87 | { | |
88 | if (prefix) { | |
89 | char key[100]; | |
90 | ||
91 | snprintf(key, sizeof(key), "%s%s", prefix, name); | |
92 | return nvram_getenv(key, buf, len); | |
93 | } | |
94 | ||
95 | return nvram_getenv(name, buf, len); | |
96 | } | |
97 | ||
41790fd5 HM |
98 | static u32 nvram_getu32(const char *name, char *buf, int len) |
99 | { | |
100 | int rv; | |
101 | char key[100]; | |
102 | u16 var0, var1; | |
103 | ||
104 | snprintf(key, sizeof(key), "%s0", name); | |
105 | rv = nvram_getenv(key, buf, len); | |
106 | /* return 0 here so this looks like unset */ | |
107 | if (rv < 0) | |
108 | return 0; | |
109 | var0 = simple_strtoul(buf, NULL, 0); | |
110 | ||
111 | snprintf(key, sizeof(key), "%s1", name); | |
112 | rv = nvram_getenv(key, buf, len); | |
113 | if (rv < 0) | |
114 | return 0; | |
115 | var1 = simple_strtoul(buf, NULL, 0); | |
116 | return var1 << 16 | var0; | |
117 | } | |
118 | ||
a7c62f85 | 119 | static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix) |
2aa088d6 HM |
120 | { |
121 | char buf[100]; | |
122 | u32 boardflags; | |
123 | ||
124 | memset(sprom, 0, sizeof(struct ssb_sprom)); | |
125 | ||
126 | sprom->revision = 1; /* Fallback: Old hardware does not define this. */ | |
127 | READ_FROM_NVRAM(revision, "sromrev", buf); | |
41790fd5 HM |
128 | if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0 || |
129 | nvram_getprefix(prefix, "macaddr", buf, sizeof(buf)) >= 0) | |
59833fcf | 130 | nvram_parse_macaddr(buf, sprom->il0mac); |
a7c62f85 | 131 | if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0) |
59833fcf | 132 | nvram_parse_macaddr(buf, sprom->et0mac); |
a7c62f85 | 133 | if (nvram_getprefix(prefix, "et1macaddr", buf, sizeof(buf)) >= 0) |
59833fcf | 134 | nvram_parse_macaddr(buf, sprom->et1mac); |
2aa088d6 HM |
135 | READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf); |
136 | READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf); | |
137 | READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf); | |
138 | READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf); | |
139 | READ_FROM_NVRAM(board_rev, "boardrev", buf); | |
140 | READ_FROM_NVRAM(country_code, "ccode", buf); | |
141 | READ_FROM_NVRAM(ant_available_a, "aa5g", buf); | |
142 | READ_FROM_NVRAM(ant_available_bg, "aa2g", buf); | |
143 | READ_FROM_NVRAM(pa0b0, "pa0b0", buf); | |
144 | READ_FROM_NVRAM(pa0b1, "pa0b1", buf); | |
145 | READ_FROM_NVRAM(pa0b2, "pa0b2", buf); | |
146 | READ_FROM_NVRAM(pa1b0, "pa1b0", buf); | |
147 | READ_FROM_NVRAM(pa1b1, "pa1b1", buf); | |
148 | READ_FROM_NVRAM(pa1b2, "pa1b2", buf); | |
149 | READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf); | |
150 | READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf); | |
151 | READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf); | |
152 | READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf); | |
153 | READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf); | |
154 | READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf); | |
41790fd5 HM |
155 | READ_FROM_NVRAM2(gpio0, "ledbh0", "wl0gpio0", buf); |
156 | READ_FROM_NVRAM2(gpio1, "ledbh1", "wl0gpio1", buf); | |
157 | READ_FROM_NVRAM2(gpio2, "ledbh2", "wl0gpio2", buf); | |
158 | READ_FROM_NVRAM2(gpio3, "ledbh3", "wl0gpio3", buf); | |
159 | READ_FROM_NVRAM2(maxpwr_bg, "maxp2ga0", "pa0maxpwr", buf); | |
160 | READ_FROM_NVRAM2(maxpwr_al, "maxp5gla0", "pa1lomaxpwr", buf); | |
161 | READ_FROM_NVRAM2(maxpwr_a, "maxp5ga0", "pa1maxpwr", buf); | |
162 | READ_FROM_NVRAM2(maxpwr_ah, "maxp5gha0", "pa1himaxpwr", buf); | |
163 | READ_FROM_NVRAM2(itssi_bg, "itt5ga0", "pa0itssit", buf); | |
164 | READ_FROM_NVRAM2(itssi_a, "itt2ga0", "pa1itssit", buf); | |
2aa088d6 HM |
165 | READ_FROM_NVRAM(tri2g, "tri2g", buf); |
166 | READ_FROM_NVRAM(tri5gl, "tri5gl", buf); | |
167 | READ_FROM_NVRAM(tri5g, "tri5g", buf); | |
168 | READ_FROM_NVRAM(tri5gh, "tri5gh", buf); | |
41790fd5 HM |
169 | READ_FROM_NVRAM(txpid2g[0], "txpid2ga0", buf); |
170 | READ_FROM_NVRAM(txpid2g[1], "txpid2ga1", buf); | |
171 | READ_FROM_NVRAM(txpid2g[2], "txpid2ga2", buf); | |
172 | READ_FROM_NVRAM(txpid2g[3], "txpid2ga3", buf); | |
173 | READ_FROM_NVRAM(txpid5g[0], "txpid5ga0", buf); | |
174 | READ_FROM_NVRAM(txpid5g[1], "txpid5ga1", buf); | |
175 | READ_FROM_NVRAM(txpid5g[2], "txpid5ga2", buf); | |
176 | READ_FROM_NVRAM(txpid5g[3], "txpid5ga3", buf); | |
177 | READ_FROM_NVRAM(txpid5gl[0], "txpid5gla0", buf); | |
178 | READ_FROM_NVRAM(txpid5gl[1], "txpid5gla1", buf); | |
179 | READ_FROM_NVRAM(txpid5gl[2], "txpid5gla2", buf); | |
180 | READ_FROM_NVRAM(txpid5gl[3], "txpid5gla3", buf); | |
181 | READ_FROM_NVRAM(txpid5gh[0], "txpid5gha0", buf); | |
182 | READ_FROM_NVRAM(txpid5gh[1], "txpid5gha1", buf); | |
183 | READ_FROM_NVRAM(txpid5gh[2], "txpid5gha2", buf); | |
184 | READ_FROM_NVRAM(txpid5gh[3], "txpid5gha3", buf); | |
2aa088d6 HM |
185 | READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf); |
186 | READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf); | |
187 | READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf); | |
188 | READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf); | |
189 | READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf); | |
190 | READ_FROM_NVRAM(bxa2g, "bxa2g", buf); | |
191 | READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf); | |
192 | READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf); | |
193 | READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf); | |
194 | READ_FROM_NVRAM(bxa5g, "bxa5g", buf); | |
195 | READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf); | |
41790fd5 HM |
196 | |
197 | sprom->ofdm2gpo = nvram_getu32("ofdm2gpo", buf, sizeof(buf)); | |
198 | sprom->ofdm5glpo = nvram_getu32("ofdm5glpo", buf, sizeof(buf)); | |
199 | sprom->ofdm5gpo = nvram_getu32("ofdm5gpo", buf, sizeof(buf)); | |
200 | sprom->ofdm5ghpo = nvram_getu32("ofdm5ghpo", buf, sizeof(buf)); | |
201 | ||
202 | READ_FROM_NVRAM(antenna_gain.ghz24.a0, "ag0", buf); | |
203 | READ_FROM_NVRAM(antenna_gain.ghz24.a1, "ag1", buf); | |
204 | READ_FROM_NVRAM(antenna_gain.ghz24.a2, "ag2", buf); | |
205 | READ_FROM_NVRAM(antenna_gain.ghz24.a3, "ag3", buf); | |
206 | memcpy(&sprom->antenna_gain.ghz5, &sprom->antenna_gain.ghz24, | |
207 | sizeof(sprom->antenna_gain.ghz5)); | |
2aa088d6 | 208 | |
a7c62f85 | 209 | if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) { |
2aa088d6 HM |
210 | boardflags = simple_strtoul(buf, NULL, 0); |
211 | if (boardflags) { | |
212 | sprom->boardflags_lo = (boardflags & 0x0000FFFFU); | |
213 | sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16; | |
214 | } | |
215 | } | |
a7c62f85 | 216 | if (nvram_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) { |
2aa088d6 HM |
217 | boardflags = simple_strtoul(buf, NULL, 0); |
218 | if (boardflags) { | |
219 | sprom->boardflags2_lo = (boardflags & 0x0000FFFFU); | |
220 | sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16; | |
221 | } | |
222 | } | |
223 | } | |
224 | ||
fe6f3642 HM |
225 | int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out) |
226 | { | |
227 | char prefix[10]; | |
228 | ||
229 | if (bus->bustype == SSB_BUSTYPE_PCI) { | |
230 | snprintf(prefix, sizeof(prefix), "pci/%u/%u/", | |
231 | bus->host_pci->bus->number + 1, | |
232 | PCI_SLOT(bus->host_pci->devfn)); | |
233 | bcm47xx_fill_sprom(out, prefix); | |
234 | return 0; | |
235 | } else { | |
236 | printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n"); | |
237 | return -EINVAL; | |
238 | } | |
239 | } | |
240 | ||
1c0c13eb AJ |
241 | static int bcm47xx_get_invariants(struct ssb_bus *bus, |
242 | struct ssb_init_invariants *iv) | |
243 | { | |
2aa088d6 | 244 | char buf[20]; |
25e5fb97 AJ |
245 | |
246 | /* Fill boardinfo structure */ | |
247 | memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo)); | |
248 | ||
82571084 | 249 | if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0) |
2aa088d6 HM |
250 | iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0); |
251 | else | |
252 | iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM; | |
82571084 | 253 | if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0) |
25e5fb97 | 254 | iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0); |
82571084 | 255 | if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0) |
25e5fb97 AJ |
256 | iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0); |
257 | ||
a7c62f85 | 258 | bcm47xx_fill_sprom(&iv->sprom, NULL); |
121915c4 | 259 | |
2aa088d6 HM |
260 | if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) |
261 | iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); | |
25e5fb97 | 262 | |
1c0c13eb AJ |
263 | return 0; |
264 | } | |
265 | ||
08ccf572 | 266 | static void __init bcm47xx_register_ssb(void) |
1c0c13eb AJ |
267 | { |
268 | int err; | |
1690a7f9 HM |
269 | char buf[100]; |
270 | struct ssb_mipscore *mcore; | |
1c0c13eb | 271 | |
fe6f3642 HM |
272 | err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom); |
273 | if (err) | |
274 | printk(KERN_WARNING "bcm47xx: someone else already registered" | |
275 | " a ssb SPROM callback handler (err %d)\n", err); | |
276 | ||
08ccf572 | 277 | err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE, |
1c0c13eb AJ |
278 | bcm47xx_get_invariants); |
279 | if (err) | |
280 | panic("Failed to initialize SSB bus (err %d)\n", err); | |
281 | ||
08ccf572 | 282 | mcore = &bcm47xx_bus.ssb.mipscore; |
1690a7f9 HM |
283 | if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) { |
284 | if (strstr(buf, "console=ttyS1")) { | |
285 | struct ssb_serial_port port; | |
286 | ||
287 | printk(KERN_DEBUG "Swapping serial ports!\n"); | |
288 | /* swap serial ports */ | |
289 | memcpy(&port, &mcore->serial_ports[0], sizeof(port)); | |
290 | memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], | |
291 | sizeof(port)); | |
292 | memcpy(&mcore->serial_ports[1], &port, sizeof(port)); | |
293 | } | |
294 | } | |
08ccf572 | 295 | } |
a656ffcb | 296 | #endif |
08ccf572 HM |
297 | |
298 | void __init plat_mem_setup(void) | |
299 | { | |
300 | struct cpuinfo_mips *c = ¤t_cpu_data; | |
301 | ||
a656ffcb | 302 | #ifdef CONFIG_BCM47XX_SSB |
08ccf572 HM |
303 | bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB; |
304 | bcm47xx_register_ssb(); | |
a656ffcb | 305 | #endif |
1690a7f9 | 306 | |
1c0c13eb AJ |
307 | _machine_restart = bcm47xx_machine_restart; |
308 | _machine_halt = bcm47xx_machine_halt; | |
309 | pm_power_off = bcm47xx_machine_halt; | |
1c0c13eb | 310 | } |