Commit | Line | Data |
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eed32001 KG |
1 | /* |
2 | * FSL SoC setup code | |
3 | * | |
4 | * Maintained by Kumar Gala (see MAINTAINERS for contact information) | |
5 | * | |
fba43665 VB |
6 | * 2006 (c) MontaVista Software, Inc. |
7 | * Vitaly Bordug <vbordug@ru.mvista.com> | |
8 | * | |
eed32001 KG |
9 | * This program is free software; you can redistribute it and/or modify it |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or (at your | |
12 | * option) any later version. | |
13 | */ | |
14 | ||
eed32001 KG |
15 | #include <linux/stddef.h> |
16 | #include <linux/kernel.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/major.h> | |
20 | #include <linux/delay.h> | |
21 | #include <linux/irq.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/device.h> | |
24 | #include <linux/platform_device.h> | |
0af666fa | 25 | #include <linux/of_platform.h> |
a9b14973 | 26 | #include <linux/phy.h> |
a21e282a | 27 | #include <linux/phy_fixed.h> |
26f6cb99 | 28 | #include <linux/spi/spi.h> |
eed32001 | 29 | #include <linux/fsl_devices.h> |
fba43665 VB |
30 | #include <linux/fs_enet_pd.h> |
31 | #include <linux/fs_uart_pd.h> | |
eed32001 KG |
32 | |
33 | #include <asm/system.h> | |
34 | #include <asm/atomic.h> | |
35 | #include <asm/io.h> | |
36 | #include <asm/irq.h> | |
fba43665 | 37 | #include <asm/time.h> |
eed32001 KG |
38 | #include <asm/prom.h> |
39 | #include <sysdev/fsl_soc.h> | |
40 | #include <mm/mmu_decl.h> | |
fba43665 | 41 | #include <asm/cpm2.h> |
eed32001 | 42 | |
d3465c92 | 43 | extern void init_fcc_ioports(struct fs_platform_info*); |
88bdc6f0 VB |
44 | extern void init_fec_ioports(struct fs_platform_info*); |
45 | extern void init_smc_ioports(struct fs_uart_platform_info*); | |
eed32001 KG |
46 | static phys_addr_t immrbase = -1; |
47 | ||
48 | phys_addr_t get_immrbase(void) | |
49 | { | |
50 | struct device_node *soc; | |
51 | ||
52 | if (immrbase != -1) | |
53 | return immrbase; | |
54 | ||
55 | soc = of_find_node_by_type(NULL, "soc"); | |
2fb07d77 | 56 | if (soc) { |
f9234736 | 57 | int size; |
6c7e072b SW |
58 | u32 naddr; |
59 | const u32 *prop = of_get_property(soc, "#address-cells", &size); | |
fba43665 | 60 | |
6c7e072b SW |
61 | if (prop && size == 4) |
62 | naddr = *prop; | |
63 | else | |
64 | naddr = 2; | |
65 | ||
66 | prop = of_get_property(soc, "ranges", &size); | |
fba43665 | 67 | if (prop) |
6c7e072b SW |
68 | immrbase = of_translate_address(soc, prop + naddr); |
69 | ||
eed32001 | 70 | of_node_put(soc); |
f9234736 | 71 | } |
eed32001 KG |
72 | |
73 | return immrbase; | |
74 | } | |
eed32001 | 75 | |
2fb07d77 | 76 | EXPORT_SYMBOL(get_immrbase); |
eed32001 | 77 | |
38664095 SW |
78 | static u32 sysfreq = -1; |
79 | ||
80 | u32 fsl_get_sys_freq(void) | |
81 | { | |
82 | struct device_node *soc; | |
83 | const u32 *prop; | |
84 | int size; | |
85 | ||
86 | if (sysfreq != -1) | |
87 | return sysfreq; | |
88 | ||
89 | soc = of_find_node_by_type(NULL, "soc"); | |
90 | if (!soc) | |
91 | return -1; | |
92 | ||
93 | prop = of_get_property(soc, "clock-frequency", &size); | |
94 | if (!prop || size != sizeof(*prop) || *prop == 0) | |
95 | prop = of_get_property(soc, "bus-frequency", &size); | |
96 | ||
97 | if (prop && size == sizeof(*prop)) | |
98 | sysfreq = *prop; | |
99 | ||
100 | of_node_put(soc); | |
101 | return sysfreq; | |
102 | } | |
103 | EXPORT_SYMBOL(fsl_get_sys_freq); | |
104 | ||
59a0ea50 | 105 | #if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx) |
fba43665 VB |
106 | |
107 | static u32 brgfreq = -1; | |
108 | ||
109 | u32 get_brgfreq(void) | |
110 | { | |
111 | struct device_node *node; | |
6d817aa7 SW |
112 | const unsigned int *prop; |
113 | int size; | |
fba43665 VB |
114 | |
115 | if (brgfreq != -1) | |
116 | return brgfreq; | |
117 | ||
6d817aa7 | 118 | node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg"); |
fba43665 | 119 | if (node) { |
6d817aa7 SW |
120 | prop = of_get_property(node, "clock-frequency", &size); |
121 | if (prop && size == 4) | |
122 | brgfreq = *prop; | |
123 | ||
124 | of_node_put(node); | |
125 | return brgfreq; | |
126 | } | |
fba43665 | 127 | |
6d817aa7 SW |
128 | /* Legacy device binding -- will go away when no users are left. */ |
129 | node = of_find_node_by_type(NULL, "cpm"); | |
59a0ea50 AV |
130 | if (!node) |
131 | node = of_find_compatible_node(NULL, NULL, "fsl,qe"); | |
132 | if (!node) | |
133 | node = of_find_node_by_type(NULL, "qe"); | |
134 | ||
6d817aa7 SW |
135 | if (node) { |
136 | prop = of_get_property(node, "brg-frequency", &size); | |
f9234736 | 137 | if (prop && size == 4) |
fba43665 | 138 | brgfreq = *prop; |
f9234736 | 139 | |
59a0ea50 AV |
140 | if (brgfreq == -1 || brgfreq == 0) { |
141 | prop = of_get_property(node, "bus-frequency", &size); | |
142 | if (prop && size == 4) | |
143 | brgfreq = *prop / 2; | |
144 | } | |
fba43665 | 145 | of_node_put(node); |
f9234736 | 146 | } |
fba43665 VB |
147 | |
148 | return brgfreq; | |
149 | } | |
150 | ||
151 | EXPORT_SYMBOL(get_brgfreq); | |
152 | ||
153 | static u32 fs_baudrate = -1; | |
154 | ||
155 | u32 get_baudrate(void) | |
156 | { | |
157 | struct device_node *node; | |
158 | ||
159 | if (fs_baudrate != -1) | |
160 | return fs_baudrate; | |
161 | ||
162 | node = of_find_node_by_type(NULL, "serial"); | |
163 | if (node) { | |
f9234736 | 164 | int size; |
e2eb6392 SR |
165 | const unsigned int *prop = of_get_property(node, |
166 | "current-speed", &size); | |
fba43665 VB |
167 | |
168 | if (prop) | |
169 | fs_baudrate = *prop; | |
170 | of_node_put(node); | |
f9234736 | 171 | } |
fba43665 VB |
172 | |
173 | return fs_baudrate; | |
174 | } | |
175 | ||
176 | EXPORT_SYMBOL(get_baudrate); | |
177 | #endif /* CONFIG_CPM2 */ | |
178 | ||
a21e282a VB |
179 | #ifdef CONFIG_FIXED_PHY |
180 | static int __init of_add_fixed_phys(void) | |
181 | { | |
182 | int ret; | |
183 | struct device_node *np; | |
184 | u32 *fixed_link; | |
185 | struct fixed_phy_status status = {}; | |
186 | ||
187 | for_each_node_by_name(np, "ethernet") { | |
188 | fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL); | |
189 | if (!fixed_link) | |
190 | continue; | |
191 | ||
192 | status.link = 1; | |
193 | status.duplex = fixed_link[1]; | |
194 | status.speed = fixed_link[2]; | |
195 | status.pause = fixed_link[3]; | |
196 | status.asym_pause = fixed_link[4]; | |
197 | ||
198 | ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status); | |
199 | if (ret) { | |
200 | of_node_put(np); | |
201 | return ret; | |
202 | } | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } | |
207 | arch_initcall(of_add_fixed_phys); | |
208 | #endif /* CONFIG_FIXED_PHY */ | |
209 | ||
2fb07d77 | 210 | static int __init gfar_mdio_of_init(void) |
eed32001 | 211 | { |
e77b28eb | 212 | struct device_node *np = NULL; |
2fb07d77 | 213 | struct platform_device *mdio_dev; |
eed32001 KG |
214 | struct resource res; |
215 | int ret; | |
216 | ||
e77b28eb KG |
217 | np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio"); |
218 | ||
219 | /* try the deprecated version */ | |
220 | if (!np) | |
221 | np = of_find_compatible_node(np, "mdio", "gianfar"); | |
222 | ||
223 | if (np) { | |
eed32001 KG |
224 | int k; |
225 | struct device_node *child = NULL; | |
226 | struct gianfar_mdio_data mdio_data; | |
227 | ||
228 | memset(&res, 0, sizeof(res)); | |
229 | memset(&mdio_data, 0, sizeof(mdio_data)); | |
230 | ||
231 | ret = of_address_to_resource(np, 0, &res); | |
232 | if (ret) | |
2fb07d77 | 233 | goto err; |
eed32001 | 234 | |
2fb07d77 KG |
235 | mdio_dev = |
236 | platform_device_register_simple("fsl-gianfar_mdio", | |
237 | res.start, &res, 1); | |
eed32001 KG |
238 | if (IS_ERR(mdio_dev)) { |
239 | ret = PTR_ERR(mdio_dev); | |
2fb07d77 | 240 | goto err; |
eed32001 KG |
241 | } |
242 | ||
243 | for (k = 0; k < 32; k++) | |
a9b14973 | 244 | mdio_data.irq[k] = PHY_POLL; |
eed32001 KG |
245 | |
246 | while ((child = of_get_next_child(np, child)) != NULL) { | |
fba43665 VB |
247 | int irq = irq_of_parse_and_map(child, 0); |
248 | if (irq != NO_IRQ) { | |
e2eb6392 SR |
249 | const u32 *id = of_get_property(child, |
250 | "reg", NULL); | |
fba43665 VB |
251 | mdio_data.irq[*id] = irq; |
252 | } | |
eed32001 KG |
253 | } |
254 | ||
2fb07d77 KG |
255 | ret = |
256 | platform_device_add_data(mdio_dev, &mdio_data, | |
257 | sizeof(struct gianfar_mdio_data)); | |
eed32001 | 258 | if (ret) |
2fb07d77 | 259 | goto unreg; |
eed32001 KG |
260 | } |
261 | ||
e77b28eb | 262 | of_node_put(np); |
2fb07d77 KG |
263 | return 0; |
264 | ||
265 | unreg: | |
266 | platform_device_unregister(mdio_dev); | |
267 | err: | |
e77b28eb | 268 | of_node_put(np); |
2fb07d77 KG |
269 | return ret; |
270 | } | |
271 | ||
272 | arch_initcall(gfar_mdio_of_init); | |
273 | ||
274 | static const char *gfar_tx_intr = "tx"; | |
275 | static const char *gfar_rx_intr = "rx"; | |
276 | static const char *gfar_err_intr = "error"; | |
277 | ||
278 | static int __init gfar_of_init(void) | |
279 | { | |
280 | struct device_node *np; | |
281 | unsigned int i; | |
282 | struct platform_device *gfar_dev; | |
283 | struct resource res; | |
284 | int ret; | |
285 | ||
286 | for (np = NULL, i = 0; | |
287 | (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; | |
288 | i++) { | |
eed32001 KG |
289 | struct resource r[4]; |
290 | struct device_node *phy, *mdio; | |
291 | struct gianfar_platform_data gfar_data; | |
a7f67bdf JK |
292 | const unsigned int *id; |
293 | const char *model; | |
7132ab7f | 294 | const char *ctype; |
a7f67bdf JK |
295 | const void *mac_addr; |
296 | const phandle *ph; | |
fba43665 | 297 | int n_res = 2; |
eed32001 KG |
298 | |
299 | memset(r, 0, sizeof(r)); | |
300 | memset(&gfar_data, 0, sizeof(gfar_data)); | |
301 | ||
302 | ret = of_address_to_resource(np, 0, &r[0]); | |
303 | if (ret) | |
2fb07d77 | 304 | goto err; |
eed32001 | 305 | |
a9b14973 | 306 | of_irq_to_resource(np, 0, &r[1]); |
eed32001 | 307 | |
e2eb6392 | 308 | model = of_get_property(np, "model", NULL); |
eed32001 KG |
309 | |
310 | /* If we aren't the FEC we have multiple interrupts */ | |
311 | if (model && strcasecmp(model, "FEC")) { | |
312 | r[1].name = gfar_tx_intr; | |
313 | ||
314 | r[2].name = gfar_rx_intr; | |
a9b14973 | 315 | of_irq_to_resource(np, 1, &r[2]); |
eed32001 KG |
316 | |
317 | r[3].name = gfar_err_intr; | |
a9b14973 | 318 | of_irq_to_resource(np, 2, &r[3]); |
919fede6 JL |
319 | |
320 | n_res += 2; | |
eed32001 KG |
321 | } |
322 | ||
2fb07d77 KG |
323 | gfar_dev = |
324 | platform_device_register_simple("fsl-gianfar", i, &r[0], | |
fba43665 | 325 | n_res); |
eed32001 KG |
326 | |
327 | if (IS_ERR(gfar_dev)) { | |
328 | ret = PTR_ERR(gfar_dev); | |
2fb07d77 | 329 | goto err; |
eed32001 KG |
330 | } |
331 | ||
29cfe6f4 | 332 | mac_addr = of_get_mac_address(np); |
f583165f JL |
333 | if (mac_addr) |
334 | memcpy(gfar_data.mac_addr, mac_addr, 6); | |
eed32001 KG |
335 | |
336 | if (model && !strcasecmp(model, "TSEC")) | |
337 | gfar_data.device_flags = | |
2fb07d77 KG |
338 | FSL_GIANFAR_DEV_HAS_GIGABIT | |
339 | FSL_GIANFAR_DEV_HAS_COALESCE | | |
340 | FSL_GIANFAR_DEV_HAS_RMON | | |
341 | FSL_GIANFAR_DEV_HAS_MULTI_INTR; | |
eed32001 KG |
342 | if (model && !strcasecmp(model, "eTSEC")) |
343 | gfar_data.device_flags = | |
2fb07d77 KG |
344 | FSL_GIANFAR_DEV_HAS_GIGABIT | |
345 | FSL_GIANFAR_DEV_HAS_COALESCE | | |
346 | FSL_GIANFAR_DEV_HAS_RMON | | |
347 | FSL_GIANFAR_DEV_HAS_MULTI_INTR | | |
348 | FSL_GIANFAR_DEV_HAS_CSUM | | |
349 | FSL_GIANFAR_DEV_HAS_VLAN | | |
350 | FSL_GIANFAR_DEV_HAS_EXTENDED_HASH; | |
eed32001 | 351 | |
7132ab7f AF |
352 | ctype = of_get_property(np, "phy-connection-type", NULL); |
353 | ||
354 | /* We only care about rgmii-id. The rest are autodetected */ | |
355 | if (ctype && !strcmp(ctype, "rgmii-id")) | |
356 | gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID; | |
357 | else | |
358 | gfar_data.interface = PHY_INTERFACE_MODE_MII; | |
359 | ||
e2eb6392 | 360 | ph = of_get_property(np, "phy-handle", NULL); |
a21e282a VB |
361 | if (ph == NULL) { |
362 | u32 *fixed_link; | |
363 | ||
364 | fixed_link = (u32 *)of_get_property(np, "fixed-link", | |
365 | NULL); | |
366 | if (!fixed_link) { | |
367 | ret = -ENODEV; | |
368 | goto unreg; | |
369 | } | |
eed32001 | 370 | |
9d9326d3 | 371 | snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "0"); |
a21e282a VB |
372 | gfar_data.phy_id = fixed_link[0]; |
373 | } else { | |
374 | phy = of_find_node_by_phandle(*ph); | |
eed32001 | 375 | |
a21e282a VB |
376 | if (phy == NULL) { |
377 | ret = -ENODEV; | |
378 | goto unreg; | |
379 | } | |
380 | ||
381 | mdio = of_get_parent(phy); | |
382 | ||
383 | id = of_get_property(phy, "reg", NULL); | |
384 | ret = of_address_to_resource(mdio, 0, &res); | |
385 | if (ret) { | |
386 | of_node_put(phy); | |
387 | of_node_put(mdio); | |
388 | goto unreg; | |
389 | } | |
390 | ||
391 | gfar_data.phy_id = *id; | |
128cf7f2 BB |
392 | snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%llx", |
393 | (unsigned long long)res.start); | |
eed32001 | 394 | |
eed32001 KG |
395 | of_node_put(phy); |
396 | of_node_put(mdio); | |
eed32001 KG |
397 | } |
398 | ||
2fb07d77 KG |
399 | ret = |
400 | platform_device_add_data(gfar_dev, &gfar_data, | |
401 | sizeof(struct | |
402 | gianfar_platform_data)); | |
eed32001 | 403 | if (ret) |
2fb07d77 | 404 | goto unreg; |
eed32001 KG |
405 | } |
406 | ||
407 | return 0; | |
408 | ||
2fb07d77 | 409 | unreg: |
eed32001 | 410 | platform_device_unregister(gfar_dev); |
2fb07d77 | 411 | err: |
eed32001 KG |
412 | return ret; |
413 | } | |
2fb07d77 | 414 | |
eed32001 KG |
415 | arch_initcall(gfar_of_init); |
416 | ||
d13ae862 GL |
417 | #ifdef CONFIG_I2C_BOARDINFO |
418 | #include <linux/i2c.h> | |
419 | struct i2c_driver_device { | |
420 | char *of_device; | |
d13ae862 GL |
421 | char *i2c_type; |
422 | }; | |
423 | ||
424 | static struct i2c_driver_device i2c_devices[] __initdata = { | |
3760f736 JD |
425 | {"ricoh,rs5c372a", "rs5c372a"}, |
426 | {"ricoh,rs5c372b", "rs5c372b"}, | |
427 | {"ricoh,rv5c386", "rv5c386"}, | |
428 | {"ricoh,rv5c387a", "rv5c387a"}, | |
429 | {"dallas,ds1307", "ds1307"}, | |
430 | {"dallas,ds1337", "ds1337"}, | |
431 | {"dallas,ds1338", "ds1338"}, | |
432 | {"dallas,ds1339", "ds1339"}, | |
433 | {"dallas,ds1340", "ds1340"}, | |
434 | {"stm,m41t00", "m41t00"}, | |
435 | {"dallas,ds1374", "rtc-ds1374"}, | |
64f9b5ee | 436 | {"cirrus,cs4270", "cs4270"}, |
d13ae862 GL |
437 | }; |
438 | ||
e78bb5dc GL |
439 | static int __init of_find_i2c_driver(struct device_node *node, |
440 | struct i2c_board_info *info) | |
d13ae862 GL |
441 | { |
442 | int i; | |
443 | ||
444 | for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) { | |
445 | if (!of_device_is_compatible(node, i2c_devices[i].of_device)) | |
446 | continue; | |
3760f736 | 447 | if (strlcpy(info->type, i2c_devices[i].i2c_type, |
e78bb5dc GL |
448 | I2C_NAME_SIZE) >= I2C_NAME_SIZE) |
449 | return -ENOMEM; | |
d13ae862 GL |
450 | return 0; |
451 | } | |
22fb7d9b TT |
452 | |
453 | pr_warning("fsl_soc.c: unrecognized i2c node %s\n", | |
454 | (const char *) of_get_property(node, "compatible", NULL)); | |
455 | ||
d13ae862 GL |
456 | return -ENODEV; |
457 | } | |
458 | ||
e78bb5dc GL |
459 | static void __init of_register_i2c_devices(struct device_node *adap_node, |
460 | int bus_num) | |
d13ae862 GL |
461 | { |
462 | struct device_node *node = NULL; | |
463 | ||
464 | while ((node = of_get_next_child(adap_node, node))) { | |
da1bb3a0 | 465 | struct i2c_board_info info = {}; |
d13ae862 GL |
466 | const u32 *addr; |
467 | int len; | |
468 | ||
469 | addr = of_get_property(node, "reg", &len); | |
470 | if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) { | |
210805e2 | 471 | printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n"); |
d13ae862 GL |
472 | continue; |
473 | } | |
474 | ||
475 | info.irq = irq_of_parse_and_map(node, 0); | |
476 | if (info.irq == NO_IRQ) | |
477 | info.irq = -1; | |
478 | ||
479 | if (of_find_i2c_driver(node, &info) < 0) | |
480 | continue; | |
481 | ||
d13ae862 GL |
482 | info.addr = *addr; |
483 | ||
484 | i2c_register_board_info(bus_num, &info, 1); | |
485 | } | |
486 | } | |
487 | ||
eed32001 KG |
488 | static int __init fsl_i2c_of_init(void) |
489 | { | |
490 | struct device_node *np; | |
ec9686c4 | 491 | unsigned int i = 0; |
eed32001 KG |
492 | struct platform_device *i2c_dev; |
493 | int ret; | |
494 | ||
ec9686c4 | 495 | for_each_compatible_node(np, NULL, "fsl-i2c") { |
eed32001 KG |
496 | struct resource r[2]; |
497 | struct fsl_i2c_platform_data i2c_data; | |
a7f67bdf | 498 | const unsigned char *flags = NULL; |
eed32001 KG |
499 | |
500 | memset(&r, 0, sizeof(r)); | |
501 | memset(&i2c_data, 0, sizeof(i2c_data)); | |
502 | ||
503 | ret = of_address_to_resource(np, 0, &r[0]); | |
504 | if (ret) | |
2fb07d77 | 505 | goto err; |
eed32001 | 506 | |
a9b14973 | 507 | of_irq_to_resource(np, 0, &r[1]); |
eed32001 KG |
508 | |
509 | i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2); | |
510 | if (IS_ERR(i2c_dev)) { | |
511 | ret = PTR_ERR(i2c_dev); | |
2fb07d77 | 512 | goto err; |
eed32001 KG |
513 | } |
514 | ||
515 | i2c_data.device_flags = 0; | |
e2eb6392 | 516 | flags = of_get_property(np, "dfsrr", NULL); |
eed32001 KG |
517 | if (flags) |
518 | i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR; | |
519 | ||
e2eb6392 | 520 | flags = of_get_property(np, "fsl5200-clocking", NULL); |
eed32001 KG |
521 | if (flags) |
522 | i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200; | |
523 | ||
2fb07d77 KG |
524 | ret = |
525 | platform_device_add_data(i2c_dev, &i2c_data, | |
526 | sizeof(struct | |
527 | fsl_i2c_platform_data)); | |
eed32001 | 528 | if (ret) |
2fb07d77 | 529 | goto unreg; |
d13ae862 | 530 | |
ec9686c4 | 531 | of_register_i2c_devices(np, i++); |
eed32001 KG |
532 | } |
533 | ||
534 | return 0; | |
535 | ||
2fb07d77 | 536 | unreg: |
eed32001 | 537 | platform_device_unregister(i2c_dev); |
2fb07d77 | 538 | err: |
eed32001 KG |
539 | return ret; |
540 | } | |
2fb07d77 | 541 | |
eed32001 | 542 | arch_initcall(fsl_i2c_of_init); |
d13ae862 | 543 | #endif |
eed32001 KG |
544 | |
545 | #ifdef CONFIG_PPC_83xx | |
546 | static int __init mpc83xx_wdt_init(void) | |
547 | { | |
548 | struct resource r; | |
38664095 | 549 | struct device_node *np; |
eed32001 | 550 | struct platform_device *dev; |
38664095 | 551 | u32 freq = fsl_get_sys_freq(); |
eed32001 KG |
552 | int ret; |
553 | ||
554 | np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt"); | |
555 | ||
556 | if (!np) { | |
557 | ret = -ENODEV; | |
2fb07d77 | 558 | goto nodev; |
eed32001 KG |
559 | } |
560 | ||
eed32001 KG |
561 | memset(&r, 0, sizeof(r)); |
562 | ||
563 | ret = of_address_to_resource(np, 0, &r); | |
564 | if (ret) | |
2fb07d77 | 565 | goto err; |
eed32001 KG |
566 | |
567 | dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1); | |
568 | if (IS_ERR(dev)) { | |
569 | ret = PTR_ERR(dev); | |
2fb07d77 | 570 | goto err; |
eed32001 KG |
571 | } |
572 | ||
38664095 | 573 | ret = platform_device_add_data(dev, &freq, sizeof(freq)); |
eed32001 | 574 | if (ret) |
2fb07d77 | 575 | goto unreg; |
eed32001 | 576 | |
eed32001 | 577 | of_node_put(np); |
eed32001 KG |
578 | return 0; |
579 | ||
2fb07d77 | 580 | unreg: |
eed32001 | 581 | platform_device_unregister(dev); |
2fb07d77 | 582 | err: |
eed32001 | 583 | of_node_put(np); |
2fb07d77 | 584 | nodev: |
eed32001 KG |
585 | return ret; |
586 | } | |
2fb07d77 | 587 | |
eed32001 KG |
588 | arch_initcall(mpc83xx_wdt_init); |
589 | #endif | |
4b10cfd4 | 590 | |
a7f67bdf | 591 | static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) |
4b10cfd4 KG |
592 | { |
593 | if (!phy_type) | |
594 | return FSL_USB2_PHY_NONE; | |
595 | if (!strcasecmp(phy_type, "ulpi")) | |
596 | return FSL_USB2_PHY_ULPI; | |
597 | if (!strcasecmp(phy_type, "utmi")) | |
598 | return FSL_USB2_PHY_UTMI; | |
599 | if (!strcasecmp(phy_type, "utmi_wide")) | |
600 | return FSL_USB2_PHY_UTMI_WIDE; | |
601 | if (!strcasecmp(phy_type, "serial")) | |
602 | return FSL_USB2_PHY_SERIAL; | |
603 | ||
604 | return FSL_USB2_PHY_NONE; | |
605 | } | |
606 | ||
607 | static int __init fsl_usb_of_init(void) | |
608 | { | |
609 | struct device_node *np; | |
866b6ddd | 610 | unsigned int i = 0; |
97c5a20a LY |
611 | struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL, |
612 | *usb_dev_dr_client = NULL; | |
4b10cfd4 KG |
613 | int ret; |
614 | ||
866b6ddd | 615 | for_each_compatible_node(np, NULL, "fsl-usb2-mph") { |
4b10cfd4 KG |
616 | struct resource r[2]; |
617 | struct fsl_usb2_platform_data usb_data; | |
a7f67bdf | 618 | const unsigned char *prop = NULL; |
4b10cfd4 KG |
619 | |
620 | memset(&r, 0, sizeof(r)); | |
621 | memset(&usb_data, 0, sizeof(usb_data)); | |
622 | ||
623 | ret = of_address_to_resource(np, 0, &r[0]); | |
624 | if (ret) | |
625 | goto err; | |
626 | ||
a9b14973 | 627 | of_irq_to_resource(np, 0, &r[1]); |
4b10cfd4 | 628 | |
01cced25 KG |
629 | usb_dev_mph = |
630 | platform_device_register_simple("fsl-ehci", i, r, 2); | |
631 | if (IS_ERR(usb_dev_mph)) { | |
632 | ret = PTR_ERR(usb_dev_mph); | |
4b10cfd4 KG |
633 | goto err; |
634 | } | |
635 | ||
01cced25 KG |
636 | usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL; |
637 | usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask; | |
4b10cfd4 KG |
638 | |
639 | usb_data.operating_mode = FSL_USB2_MPH_HOST; | |
640 | ||
e2eb6392 | 641 | prop = of_get_property(np, "port0", NULL); |
4b10cfd4 KG |
642 | if (prop) |
643 | usb_data.port_enables |= FSL_USB2_PORT0_ENABLED; | |
644 | ||
e2eb6392 | 645 | prop = of_get_property(np, "port1", NULL); |
4b10cfd4 KG |
646 | if (prop) |
647 | usb_data.port_enables |= FSL_USB2_PORT1_ENABLED; | |
648 | ||
e2eb6392 | 649 | prop = of_get_property(np, "phy_type", NULL); |
4b10cfd4 KG |
650 | usb_data.phy_mode = determine_usb_phy(prop); |
651 | ||
652 | ret = | |
01cced25 | 653 | platform_device_add_data(usb_dev_mph, &usb_data, |
4b10cfd4 KG |
654 | sizeof(struct |
655 | fsl_usb2_platform_data)); | |
656 | if (ret) | |
01cced25 | 657 | goto unreg_mph; |
866b6ddd | 658 | i++; |
4b10cfd4 KG |
659 | } |
660 | ||
866b6ddd | 661 | for_each_compatible_node(np, NULL, "fsl-usb2-dr") { |
4b10cfd4 KG |
662 | struct resource r[2]; |
663 | struct fsl_usb2_platform_data usb_data; | |
a7f67bdf | 664 | const unsigned char *prop = NULL; |
4b10cfd4 KG |
665 | |
666 | memset(&r, 0, sizeof(r)); | |
667 | memset(&usb_data, 0, sizeof(usb_data)); | |
668 | ||
669 | ret = of_address_to_resource(np, 0, &r[0]); | |
670 | if (ret) | |
01cced25 | 671 | goto unreg_mph; |
4b10cfd4 | 672 | |
a9b14973 | 673 | of_irq_to_resource(np, 0, &r[1]); |
4b10cfd4 | 674 | |
e2eb6392 | 675 | prop = of_get_property(np, "dr_mode", NULL); |
97c5a20a LY |
676 | |
677 | if (!prop || !strcmp(prop, "host")) { | |
678 | usb_data.operating_mode = FSL_USB2_DR_HOST; | |
679 | usb_dev_dr_host = platform_device_register_simple( | |
680 | "fsl-ehci", i, r, 2); | |
681 | if (IS_ERR(usb_dev_dr_host)) { | |
682 | ret = PTR_ERR(usb_dev_dr_host); | |
683 | goto err; | |
684 | } | |
685 | } else if (prop && !strcmp(prop, "peripheral")) { | |
686 | usb_data.operating_mode = FSL_USB2_DR_DEVICE; | |
687 | usb_dev_dr_client = platform_device_register_simple( | |
688 | "fsl-usb2-udc", i, r, 2); | |
689 | if (IS_ERR(usb_dev_dr_client)) { | |
690 | ret = PTR_ERR(usb_dev_dr_client); | |
691 | goto err; | |
692 | } | |
693 | } else if (prop && !strcmp(prop, "otg")) { | |
694 | usb_data.operating_mode = FSL_USB2_DR_OTG; | |
695 | usb_dev_dr_host = platform_device_register_simple( | |
696 | "fsl-ehci", i, r, 2); | |
697 | if (IS_ERR(usb_dev_dr_host)) { | |
698 | ret = PTR_ERR(usb_dev_dr_host); | |
699 | goto err; | |
700 | } | |
701 | usb_dev_dr_client = platform_device_register_simple( | |
702 | "fsl-usb2-udc", i, r, 2); | |
703 | if (IS_ERR(usb_dev_dr_client)) { | |
704 | ret = PTR_ERR(usb_dev_dr_client); | |
705 | goto err; | |
706 | } | |
707 | } else { | |
708 | ret = -EINVAL; | |
4b10cfd4 KG |
709 | goto err; |
710 | } | |
711 | ||
e2eb6392 | 712 | prop = of_get_property(np, "phy_type", NULL); |
4b10cfd4 KG |
713 | usb_data.phy_mode = determine_usb_phy(prop); |
714 | ||
97c5a20a LY |
715 | if (usb_dev_dr_host) { |
716 | usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL; | |
717 | usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host-> | |
718 | dev.coherent_dma_mask; | |
719 | if ((ret = platform_device_add_data(usb_dev_dr_host, | |
720 | &usb_data, sizeof(struct | |
721 | fsl_usb2_platform_data)))) | |
722 | goto unreg_dr; | |
723 | } | |
724 | if (usb_dev_dr_client) { | |
725 | usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL; | |
726 | usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client-> | |
727 | dev.coherent_dma_mask; | |
728 | if ((ret = platform_device_add_data(usb_dev_dr_client, | |
729 | &usb_data, sizeof(struct | |
730 | fsl_usb2_platform_data)))) | |
731 | goto unreg_dr; | |
732 | } | |
866b6ddd | 733 | i++; |
4b10cfd4 | 734 | } |
4b10cfd4 KG |
735 | return 0; |
736 | ||
01cced25 | 737 | unreg_dr: |
97c5a20a LY |
738 | if (usb_dev_dr_host) |
739 | platform_device_unregister(usb_dev_dr_host); | |
740 | if (usb_dev_dr_client) | |
741 | platform_device_unregister(usb_dev_dr_client); | |
01cced25 KG |
742 | unreg_mph: |
743 | if (usb_dev_mph) | |
744 | platform_device_unregister(usb_dev_mph); | |
4b10cfd4 KG |
745 | err: |
746 | return ret; | |
747 | } | |
748 | ||
01cced25 | 749 | arch_initcall(fsl_usb_of_init); |
fba43665 | 750 | |
f3a2b29d AV |
751 | static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, |
752 | struct spi_board_info *board_infos, | |
753 | unsigned int num_board_infos, | |
754 | void (*activate_cs)(u8 cs, u8 polarity), | |
755 | void (*deactivate_cs)(u8 cs, u8 polarity)) | |
26f6cb99 AV |
756 | { |
757 | struct device_node *np; | |
f3a2b29d | 758 | unsigned int i = 0; |
26f6cb99 | 759 | |
f3a2b29d AV |
760 | for_each_compatible_node(np, type, compatible) { |
761 | int ret; | |
26f6cb99 AV |
762 | unsigned int j; |
763 | const void *prop; | |
764 | struct resource res[2]; | |
765 | struct platform_device *pdev; | |
766 | struct fsl_spi_platform_data pdata = { | |
767 | .activate_cs = activate_cs, | |
768 | .deactivate_cs = deactivate_cs, | |
769 | }; | |
770 | ||
771 | memset(res, 0, sizeof(res)); | |
772 | ||
59a0ea50 | 773 | pdata.sysclk = sysclk; |
26f6cb99 AV |
774 | |
775 | prop = of_get_property(np, "reg", NULL); | |
776 | if (!prop) | |
777 | goto err; | |
778 | pdata.bus_num = *(u32 *)prop; | |
779 | ||
f3a2b29d AV |
780 | prop = of_get_property(np, "cell-index", NULL); |
781 | if (prop) | |
782 | i = *(u32 *)prop; | |
783 | ||
26f6cb99 AV |
784 | prop = of_get_property(np, "mode", NULL); |
785 | if (prop && !strcmp(prop, "cpu-qe")) | |
786 | pdata.qe_mode = 1; | |
787 | ||
788 | for (j = 0; j < num_board_infos; j++) { | |
789 | if (board_infos[j].bus_num == pdata.bus_num) | |
790 | pdata.max_chipselect++; | |
791 | } | |
792 | ||
793 | if (!pdata.max_chipselect) | |
f3a2b29d | 794 | continue; |
26f6cb99 AV |
795 | |
796 | ret = of_address_to_resource(np, 0, &res[0]); | |
797 | if (ret) | |
798 | goto err; | |
799 | ||
800 | ret = of_irq_to_resource(np, 0, &res[1]); | |
801 | if (ret == NO_IRQ) | |
802 | goto err; | |
803 | ||
804 | pdev = platform_device_alloc("mpc83xx_spi", i); | |
805 | if (!pdev) | |
806 | goto err; | |
807 | ||
808 | ret = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
809 | if (ret) | |
810 | goto unreg; | |
811 | ||
812 | ret = platform_device_add_resources(pdev, res, | |
813 | ARRAY_SIZE(res)); | |
814 | if (ret) | |
815 | goto unreg; | |
816 | ||
dc4e4207 | 817 | ret = platform_device_add(pdev); |
26f6cb99 AV |
818 | if (ret) |
819 | goto unreg; | |
820 | ||
f3a2b29d | 821 | goto next; |
26f6cb99 AV |
822 | unreg: |
823 | platform_device_del(pdev); | |
824 | err: | |
f3a2b29d AV |
825 | pr_err("%s: registration failed\n", np->full_name); |
826 | next: | |
827 | i++; | |
26f6cb99 AV |
828 | } |
829 | ||
f3a2b29d AV |
830 | return i; |
831 | } | |
832 | ||
833 | int __init fsl_spi_init(struct spi_board_info *board_infos, | |
834 | unsigned int num_board_infos, | |
835 | void (*activate_cs)(u8 cs, u8 polarity), | |
836 | void (*deactivate_cs)(u8 cs, u8 polarity)) | |
837 | { | |
838 | u32 sysclk = -1; | |
839 | int ret; | |
840 | ||
841 | #ifdef CONFIG_QUICC_ENGINE | |
842 | /* SPI controller is either clocked from QE or SoC clock */ | |
843 | sysclk = get_brgfreq(); | |
844 | #endif | |
845 | if (sysclk == -1) { | |
38664095 SW |
846 | sysclk = fsl_get_sys_freq(); |
847 | if (sysclk == -1) | |
f3a2b29d | 848 | return -ENODEV; |
f3a2b29d AV |
849 | } |
850 | ||
851 | ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos, | |
852 | num_board_infos, activate_cs, deactivate_cs); | |
853 | if (!ret) | |
854 | of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos, | |
855 | num_board_infos, activate_cs, deactivate_cs); | |
856 | ||
26f6cb99 AV |
857 | return spi_register_board_info(board_infos, num_board_infos); |
858 | } | |
e1c1575f KG |
859 | |
860 | #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx) | |
861 | static __be32 __iomem *rstcr; | |
862 | ||
863 | static int __init setup_rstcr(void) | |
864 | { | |
865 | struct device_node *np; | |
866 | np = of_find_node_by_name(NULL, "global-utilities"); | |
867 | if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { | |
868 | const u32 *prop = of_get_property(np, "reg", NULL); | |
869 | if (prop) { | |
870 | /* map reset control register | |
871 | * 0xE00B0 is offset of reset control register | |
872 | */ | |
873 | rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); | |
874 | if (!rstcr) | |
875 | printk (KERN_EMERG "Error: reset control " | |
876 | "register not mapped!\n"); | |
877 | } | |
878 | } else | |
879 | printk (KERN_INFO "rstcr compatible register does not exist!\n"); | |
880 | if (np) | |
881 | of_node_put(np); | |
882 | return 0; | |
883 | } | |
884 | ||
885 | arch_initcall(setup_rstcr); | |
886 | ||
887 | void fsl_rstcr_restart(char *cmd) | |
888 | { | |
889 | local_irq_disable(); | |
890 | if (rstcr) | |
891 | /* set reset control register */ | |
892 | out_be32(rstcr, 0x2); /* HRESET_REQ */ | |
893 | ||
894 | while (1) ; | |
895 | } | |
896 | #endif | |
6f90a8bd YS |
897 | |
898 | #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) | |
899 | struct platform_diu_data_ops diu_ops = { | |
900 | .diu_size = 1280 * 1024 * 4, /* default one 1280x1024 buffer */ | |
901 | }; | |
902 | EXPORT_SYMBOL(diu_ops); | |
903 | ||
904 | int __init preallocate_diu_videomemory(void) | |
905 | { | |
906 | pr_debug("diu_size=%lu\n", diu_ops.diu_size); | |
907 | ||
908 | diu_ops.diu_mem = __alloc_bootmem(diu_ops.diu_size, 8, 0); | |
909 | if (!diu_ops.diu_mem) { | |
910 | printk(KERN_ERR "fsl-diu: cannot allocate %lu bytes\n", | |
911 | diu_ops.diu_size); | |
912 | return -ENOMEM; | |
913 | } | |
914 | ||
915 | pr_debug("diu_mem=%p\n", diu_ops.diu_mem); | |
916 | ||
917 | rh_init(&diu_ops.diu_rh_info, 4096, ARRAY_SIZE(diu_ops.diu_rh_block), | |
918 | diu_ops.diu_rh_block); | |
919 | return rh_attach_region(&diu_ops.diu_rh_info, | |
920 | (unsigned long) diu_ops.diu_mem, | |
921 | diu_ops.diu_size); | |
922 | } | |
923 | ||
924 | static int __init early_parse_diufb(char *p) | |
925 | { | |
926 | if (!p) | |
927 | return 1; | |
928 | ||
929 | diu_ops.diu_size = _ALIGN_UP(memparse(p, &p), 8); | |
930 | ||
931 | pr_debug("diu_size=%lu\n", diu_ops.diu_size); | |
932 | ||
933 | return 0; | |
934 | } | |
935 | early_param("diufb", early_parse_diufb); | |
936 | ||
937 | #endif |