[POWERPC] 85xx/86xx: refactor RSTCR reset code
[linux-2.6.git] / arch / powerpc / sysdev / fsl_soc.c
1 /*
2  * FSL SoC setup code
3  *
4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5  *
6  * 2006 (c) MontaVista Software, Inc.
7  * Vitaly Bordug <vbordug@ru.mvista.com>
8  *
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
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>
25 #include <linux/of_platform.h>
26 #include <linux/phy.h>
27 #include <linux/spi/spi.h>
28 #include <linux/fsl_devices.h>
29 #include <linux/fs_enet_pd.h>
30 #include <linux/fs_uart_pd.h>
31
32 #include <asm/system.h>
33 #include <asm/atomic.h>
34 #include <asm/io.h>
35 #include <asm/irq.h>
36 #include <asm/time.h>
37 #include <asm/prom.h>
38 #include <sysdev/fsl_soc.h>
39 #include <mm/mmu_decl.h>
40 #include <asm/cpm2.h>
41
42 extern void init_fcc_ioports(struct fs_platform_info*);
43 extern void init_fec_ioports(struct fs_platform_info*);
44 extern void init_smc_ioports(struct fs_uart_platform_info*);
45 static phys_addr_t immrbase = -1;
46
47 phys_addr_t get_immrbase(void)
48 {
49         struct device_node *soc;
50
51         if (immrbase != -1)
52                 return immrbase;
53
54         soc = of_find_node_by_type(NULL, "soc");
55         if (soc) {
56                 int size;
57                 const void *prop = of_get_property(soc, "reg", &size);
58
59                 if (prop)
60                         immrbase = of_translate_address(soc, prop);
61                 of_node_put(soc);
62         }
63
64         return immrbase;
65 }
66
67 EXPORT_SYMBOL(get_immrbase);
68
69 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
70
71 static u32 brgfreq = -1;
72
73 u32 get_brgfreq(void)
74 {
75         struct device_node *node;
76         const unsigned int *prop;
77         int size;
78
79         if (brgfreq != -1)
80                 return brgfreq;
81
82         node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
83         if (node) {
84                 prop = of_get_property(node, "clock-frequency", &size);
85                 if (prop && size == 4)
86                         brgfreq = *prop;
87
88                 of_node_put(node);
89                 return brgfreq;
90         }
91
92         /* Legacy device binding -- will go away when no users are left. */
93         node = of_find_node_by_type(NULL, "cpm");
94         if (node) {
95                 prop = of_get_property(node, "brg-frequency", &size);
96                 if (prop && size == 4)
97                         brgfreq = *prop;
98
99                 of_node_put(node);
100         }
101
102         return brgfreq;
103 }
104
105 EXPORT_SYMBOL(get_brgfreq);
106
107 static u32 fs_baudrate = -1;
108
109 u32 get_baudrate(void)
110 {
111         struct device_node *node;
112
113         if (fs_baudrate != -1)
114                 return fs_baudrate;
115
116         node = of_find_node_by_type(NULL, "serial");
117         if (node) {
118                 int size;
119                 const unsigned int *prop = of_get_property(node,
120                                 "current-speed", &size);
121
122                 if (prop)
123                         fs_baudrate = *prop;
124                 of_node_put(node);
125         }
126
127         return fs_baudrate;
128 }
129
130 EXPORT_SYMBOL(get_baudrate);
131 #endif /* CONFIG_CPM2 */
132
133 static int __init gfar_mdio_of_init(void)
134 {
135         struct device_node *np;
136         unsigned int i;
137         struct platform_device *mdio_dev;
138         struct resource res;
139         int ret;
140
141         for (np = NULL, i = 0;
142              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
143              i++) {
144                 int k;
145                 struct device_node *child = NULL;
146                 struct gianfar_mdio_data mdio_data;
147
148                 memset(&res, 0, sizeof(res));
149                 memset(&mdio_data, 0, sizeof(mdio_data));
150
151                 ret = of_address_to_resource(np, 0, &res);
152                 if (ret)
153                         goto err;
154
155                 mdio_dev =
156                     platform_device_register_simple("fsl-gianfar_mdio",
157                                                     res.start, &res, 1);
158                 if (IS_ERR(mdio_dev)) {
159                         ret = PTR_ERR(mdio_dev);
160                         goto err;
161                 }
162
163                 for (k = 0; k < 32; k++)
164                         mdio_data.irq[k] = PHY_POLL;
165
166                 while ((child = of_get_next_child(np, child)) != NULL) {
167                         int irq = irq_of_parse_and_map(child, 0);
168                         if (irq != NO_IRQ) {
169                                 const u32 *id = of_get_property(child,
170                                                         "reg", NULL);
171                                 mdio_data.irq[*id] = irq;
172                         }
173                 }
174
175                 ret =
176                     platform_device_add_data(mdio_dev, &mdio_data,
177                                              sizeof(struct gianfar_mdio_data));
178                 if (ret)
179                         goto unreg;
180         }
181
182         return 0;
183
184 unreg:
185         platform_device_unregister(mdio_dev);
186 err:
187         return ret;
188 }
189
190 arch_initcall(gfar_mdio_of_init);
191
192 static const char *gfar_tx_intr = "tx";
193 static const char *gfar_rx_intr = "rx";
194 static const char *gfar_err_intr = "error";
195
196
197 static int __init gfar_of_init(void)
198 {
199         struct device_node *np;
200         unsigned int i;
201         struct platform_device *gfar_dev;
202         struct resource res;
203         int ret;
204
205         for (np = NULL, i = 0;
206              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
207              i++) {
208                 struct resource r[4];
209                 struct device_node *phy, *mdio;
210                 struct gianfar_platform_data gfar_data;
211                 const unsigned int *id;
212                 const char *model;
213                 const char *ctype;
214                 const void *mac_addr;
215                 const phandle *ph;
216                 int n_res = 2;
217
218                 memset(r, 0, sizeof(r));
219                 memset(&gfar_data, 0, sizeof(gfar_data));
220
221                 ret = of_address_to_resource(np, 0, &r[0]);
222                 if (ret)
223                         goto err;
224
225                 of_irq_to_resource(np, 0, &r[1]);
226
227                 model = of_get_property(np, "model", NULL);
228
229                 /* If we aren't the FEC we have multiple interrupts */
230                 if (model && strcasecmp(model, "FEC")) {
231                         r[1].name = gfar_tx_intr;
232
233                         r[2].name = gfar_rx_intr;
234                         of_irq_to_resource(np, 1, &r[2]);
235
236                         r[3].name = gfar_err_intr;
237                         of_irq_to_resource(np, 2, &r[3]);
238
239                         n_res += 2;
240                 }
241
242                 gfar_dev =
243                     platform_device_register_simple("fsl-gianfar", i, &r[0],
244                                                     n_res);
245
246                 if (IS_ERR(gfar_dev)) {
247                         ret = PTR_ERR(gfar_dev);
248                         goto err;
249                 }
250
251                 mac_addr = of_get_mac_address(np);
252                 if (mac_addr)
253                         memcpy(gfar_data.mac_addr, mac_addr, 6);
254
255                 if (model && !strcasecmp(model, "TSEC"))
256                         gfar_data.device_flags =
257                             FSL_GIANFAR_DEV_HAS_GIGABIT |
258                             FSL_GIANFAR_DEV_HAS_COALESCE |
259                             FSL_GIANFAR_DEV_HAS_RMON |
260                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
261                 if (model && !strcasecmp(model, "eTSEC"))
262                         gfar_data.device_flags =
263                             FSL_GIANFAR_DEV_HAS_GIGABIT |
264                             FSL_GIANFAR_DEV_HAS_COALESCE |
265                             FSL_GIANFAR_DEV_HAS_RMON |
266                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
267                             FSL_GIANFAR_DEV_HAS_CSUM |
268                             FSL_GIANFAR_DEV_HAS_VLAN |
269                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
270
271                 ctype = of_get_property(np, "phy-connection-type", NULL);
272
273                 /* We only care about rgmii-id.  The rest are autodetected */
274                 if (ctype && !strcmp(ctype, "rgmii-id"))
275                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
276                 else
277                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
278
279                 ph = of_get_property(np, "phy-handle", NULL);
280                 phy = of_find_node_by_phandle(*ph);
281
282                 if (phy == NULL) {
283                         ret = -ENODEV;
284                         goto unreg;
285                 }
286
287                 mdio = of_get_parent(phy);
288
289                 id = of_get_property(phy, "reg", NULL);
290                 ret = of_address_to_resource(mdio, 0, &res);
291                 if (ret) {
292                         of_node_put(phy);
293                         of_node_put(mdio);
294                         goto unreg;
295                 }
296
297                 gfar_data.phy_id = *id;
298                 gfar_data.bus_id = res.start;
299
300                 of_node_put(phy);
301                 of_node_put(mdio);
302
303                 ret =
304                     platform_device_add_data(gfar_dev, &gfar_data,
305                                              sizeof(struct
306                                                     gianfar_platform_data));
307                 if (ret)
308                         goto unreg;
309         }
310
311         return 0;
312
313 unreg:
314         platform_device_unregister(gfar_dev);
315 err:
316         return ret;
317 }
318
319 arch_initcall(gfar_of_init);
320
321 #ifdef CONFIG_I2C_BOARDINFO
322 #include <linux/i2c.h>
323 struct i2c_driver_device {
324         char    *of_device;
325         char    *i2c_driver;
326         char    *i2c_type;
327 };
328
329 static struct i2c_driver_device i2c_devices[] __initdata = {
330         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
331         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
332         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
333         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
334         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
335         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
336         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
337         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
338         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
339         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
340         {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
341 };
342
343 static int __init of_find_i2c_driver(struct device_node *node,
344                                      struct i2c_board_info *info)
345 {
346         int i;
347
348         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
349                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
350                         continue;
351                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
352                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
353                     strlcpy(info->type, i2c_devices[i].i2c_type,
354                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
355                         return -ENOMEM;
356                 return 0;
357         }
358         return -ENODEV;
359 }
360
361 static void __init of_register_i2c_devices(struct device_node *adap_node,
362                                            int bus_num)
363 {
364         struct device_node *node = NULL;
365
366         while ((node = of_get_next_child(adap_node, node))) {
367                 struct i2c_board_info info = {};
368                 const u32 *addr;
369                 int len;
370
371                 addr = of_get_property(node, "reg", &len);
372                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
373                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
374                         continue;
375                 }
376
377                 info.irq = irq_of_parse_and_map(node, 0);
378                 if (info.irq == NO_IRQ)
379                         info.irq = -1;
380
381                 if (of_find_i2c_driver(node, &info) < 0)
382                         continue;
383
384                 info.addr = *addr;
385
386                 i2c_register_board_info(bus_num, &info, 1);
387         }
388 }
389
390 static int __init fsl_i2c_of_init(void)
391 {
392         struct device_node *np;
393         unsigned int i;
394         struct platform_device *i2c_dev;
395         int ret;
396
397         for (np = NULL, i = 0;
398              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
399              i++) {
400                 struct resource r[2];
401                 struct fsl_i2c_platform_data i2c_data;
402                 const unsigned char *flags = NULL;
403
404                 memset(&r, 0, sizeof(r));
405                 memset(&i2c_data, 0, sizeof(i2c_data));
406
407                 ret = of_address_to_resource(np, 0, &r[0]);
408                 if (ret)
409                         goto err;
410
411                 of_irq_to_resource(np, 0, &r[1]);
412
413                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
414                 if (IS_ERR(i2c_dev)) {
415                         ret = PTR_ERR(i2c_dev);
416                         goto err;
417                 }
418
419                 i2c_data.device_flags = 0;
420                 flags = of_get_property(np, "dfsrr", NULL);
421                 if (flags)
422                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
423
424                 flags = of_get_property(np, "fsl5200-clocking", NULL);
425                 if (flags)
426                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
427
428                 ret =
429                     platform_device_add_data(i2c_dev, &i2c_data,
430                                              sizeof(struct
431                                                     fsl_i2c_platform_data));
432                 if (ret)
433                         goto unreg;
434
435                 of_register_i2c_devices(np, i);
436         }
437
438         return 0;
439
440 unreg:
441         platform_device_unregister(i2c_dev);
442 err:
443         return ret;
444 }
445
446 arch_initcall(fsl_i2c_of_init);
447 #endif
448
449 #ifdef CONFIG_PPC_83xx
450 static int __init mpc83xx_wdt_init(void)
451 {
452         struct resource r;
453         struct device_node *soc, *np;
454         struct platform_device *dev;
455         const unsigned int *freq;
456         int ret;
457
458         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
459
460         if (!np) {
461                 ret = -ENODEV;
462                 goto nodev;
463         }
464
465         soc = of_find_node_by_type(NULL, "soc");
466
467         if (!soc) {
468                 ret = -ENODEV;
469                 goto nosoc;
470         }
471
472         freq = of_get_property(soc, "bus-frequency", NULL);
473         if (!freq) {
474                 ret = -ENODEV;
475                 goto err;
476         }
477
478         memset(&r, 0, sizeof(r));
479
480         ret = of_address_to_resource(np, 0, &r);
481         if (ret)
482                 goto err;
483
484         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
485         if (IS_ERR(dev)) {
486                 ret = PTR_ERR(dev);
487                 goto err;
488         }
489
490         ret = platform_device_add_data(dev, freq, sizeof(int));
491         if (ret)
492                 goto unreg;
493
494         of_node_put(soc);
495         of_node_put(np);
496
497         return 0;
498
499 unreg:
500         platform_device_unregister(dev);
501 err:
502         of_node_put(soc);
503 nosoc:
504         of_node_put(np);
505 nodev:
506         return ret;
507 }
508
509 arch_initcall(mpc83xx_wdt_init);
510 #endif
511
512 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
513 {
514         if (!phy_type)
515                 return FSL_USB2_PHY_NONE;
516         if (!strcasecmp(phy_type, "ulpi"))
517                 return FSL_USB2_PHY_ULPI;
518         if (!strcasecmp(phy_type, "utmi"))
519                 return FSL_USB2_PHY_UTMI;
520         if (!strcasecmp(phy_type, "utmi_wide"))
521                 return FSL_USB2_PHY_UTMI_WIDE;
522         if (!strcasecmp(phy_type, "serial"))
523                 return FSL_USB2_PHY_SERIAL;
524
525         return FSL_USB2_PHY_NONE;
526 }
527
528 static int __init fsl_usb_of_init(void)
529 {
530         struct device_node *np;
531         unsigned int i;
532         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
533                 *usb_dev_dr_client = NULL;
534         int ret;
535
536         for (np = NULL, i = 0;
537              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
538              i++) {
539                 struct resource r[2];
540                 struct fsl_usb2_platform_data usb_data;
541                 const unsigned char *prop = NULL;
542
543                 memset(&r, 0, sizeof(r));
544                 memset(&usb_data, 0, sizeof(usb_data));
545
546                 ret = of_address_to_resource(np, 0, &r[0]);
547                 if (ret)
548                         goto err;
549
550                 of_irq_to_resource(np, 0, &r[1]);
551
552                 usb_dev_mph =
553                     platform_device_register_simple("fsl-ehci", i, r, 2);
554                 if (IS_ERR(usb_dev_mph)) {
555                         ret = PTR_ERR(usb_dev_mph);
556                         goto err;
557                 }
558
559                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
560                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
561
562                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
563
564                 prop = of_get_property(np, "port0", NULL);
565                 if (prop)
566                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
567
568                 prop = of_get_property(np, "port1", NULL);
569                 if (prop)
570                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
571
572                 prop = of_get_property(np, "phy_type", NULL);
573                 usb_data.phy_mode = determine_usb_phy(prop);
574
575                 ret =
576                     platform_device_add_data(usb_dev_mph, &usb_data,
577                                              sizeof(struct
578                                                     fsl_usb2_platform_data));
579                 if (ret)
580                         goto unreg_mph;
581         }
582
583         for (np = NULL;
584              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
585              i++) {
586                 struct resource r[2];
587                 struct fsl_usb2_platform_data usb_data;
588                 const unsigned char *prop = NULL;
589
590                 memset(&r, 0, sizeof(r));
591                 memset(&usb_data, 0, sizeof(usb_data));
592
593                 ret = of_address_to_resource(np, 0, &r[0]);
594                 if (ret)
595                         goto unreg_mph;
596
597                 of_irq_to_resource(np, 0, &r[1]);
598
599                 prop = of_get_property(np, "dr_mode", NULL);
600
601                 if (!prop || !strcmp(prop, "host")) {
602                         usb_data.operating_mode = FSL_USB2_DR_HOST;
603                         usb_dev_dr_host = platform_device_register_simple(
604                                         "fsl-ehci", i, r, 2);
605                         if (IS_ERR(usb_dev_dr_host)) {
606                                 ret = PTR_ERR(usb_dev_dr_host);
607                                 goto err;
608                         }
609                 } else if (prop && !strcmp(prop, "peripheral")) {
610                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
611                         usb_dev_dr_client = platform_device_register_simple(
612                                         "fsl-usb2-udc", i, r, 2);
613                         if (IS_ERR(usb_dev_dr_client)) {
614                                 ret = PTR_ERR(usb_dev_dr_client);
615                                 goto err;
616                         }
617                 } else if (prop && !strcmp(prop, "otg")) {
618                         usb_data.operating_mode = FSL_USB2_DR_OTG;
619                         usb_dev_dr_host = platform_device_register_simple(
620                                         "fsl-ehci", i, r, 2);
621                         if (IS_ERR(usb_dev_dr_host)) {
622                                 ret = PTR_ERR(usb_dev_dr_host);
623                                 goto err;
624                         }
625                         usb_dev_dr_client = platform_device_register_simple(
626                                         "fsl-usb2-udc", i, r, 2);
627                         if (IS_ERR(usb_dev_dr_client)) {
628                                 ret = PTR_ERR(usb_dev_dr_client);
629                                 goto err;
630                         }
631                 } else {
632                         ret = -EINVAL;
633                         goto err;
634                 }
635
636                 prop = of_get_property(np, "phy_type", NULL);
637                 usb_data.phy_mode = determine_usb_phy(prop);
638
639                 if (usb_dev_dr_host) {
640                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
641                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
642                                 dev.coherent_dma_mask;
643                         if ((ret = platform_device_add_data(usb_dev_dr_host,
644                                                 &usb_data, sizeof(struct
645                                                 fsl_usb2_platform_data))))
646                                 goto unreg_dr;
647                 }
648                 if (usb_dev_dr_client) {
649                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
650                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
651                                 dev.coherent_dma_mask;
652                         if ((ret = platform_device_add_data(usb_dev_dr_client,
653                                                 &usb_data, sizeof(struct
654                                                 fsl_usb2_platform_data))))
655                                 goto unreg_dr;
656                 }
657         }
658         return 0;
659
660 unreg_dr:
661         if (usb_dev_dr_host)
662                 platform_device_unregister(usb_dev_dr_host);
663         if (usb_dev_dr_client)
664                 platform_device_unregister(usb_dev_dr_client);
665 unreg_mph:
666         if (usb_dev_mph)
667                 platform_device_unregister(usb_dev_mph);
668 err:
669         return ret;
670 }
671
672 arch_initcall(fsl_usb_of_init);
673
674 #ifndef CONFIG_PPC_CPM_NEW_BINDING
675 #ifdef CONFIG_CPM2
676
677 extern void init_scc_ioports(struct fs_uart_platform_info*);
678
679 static const char fcc_regs[] = "fcc_regs";
680 static const char fcc_regs_c[] = "fcc_regs_c";
681 static const char fcc_pram[] = "fcc_pram";
682 static char bus_id[9][BUS_ID_SIZE];
683
684 static int __init fs_enet_of_init(void)
685 {
686         struct device_node *np;
687         unsigned int i;
688         struct platform_device *fs_enet_dev;
689         struct resource res;
690         int ret;
691
692         for (np = NULL, i = 0;
693              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
694              i++) {
695                 struct resource r[4];
696                 struct device_node *phy, *mdio;
697                 struct fs_platform_info fs_enet_data;
698                 const unsigned int *id, *phy_addr, *phy_irq;
699                 const void *mac_addr;
700                 const phandle *ph;
701                 const char *model;
702
703                 memset(r, 0, sizeof(r));
704                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
705
706                 ret = of_address_to_resource(np, 0, &r[0]);
707                 if (ret)
708                         goto err;
709                 r[0].name = fcc_regs;
710
711                 ret = of_address_to_resource(np, 1, &r[1]);
712                 if (ret)
713                         goto err;
714                 r[1].name = fcc_pram;
715
716                 ret = of_address_to_resource(np, 2, &r[2]);
717                 if (ret)
718                         goto err;
719                 r[2].name = fcc_regs_c;
720                 fs_enet_data.fcc_regs_c = r[2].start;
721
722                 of_irq_to_resource(np, 0, &r[3]);
723
724                 fs_enet_dev =
725                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
726
727                 if (IS_ERR(fs_enet_dev)) {
728                         ret = PTR_ERR(fs_enet_dev);
729                         goto err;
730                 }
731
732                 model = of_get_property(np, "model", NULL);
733                 if (model == NULL) {
734                         ret = -ENODEV;
735                         goto unreg;
736                 }
737
738                 mac_addr = of_get_mac_address(np);
739                 if (mac_addr)
740                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
741
742                 ph = of_get_property(np, "phy-handle", NULL);
743                 phy = of_find_node_by_phandle(*ph);
744
745                 if (phy == NULL) {
746                         ret = -ENODEV;
747                         goto unreg;
748                 }
749
750                 phy_addr = of_get_property(phy, "reg", NULL);
751                 fs_enet_data.phy_addr = *phy_addr;
752
753                 phy_irq = of_get_property(phy, "interrupts", NULL);
754
755                 id = of_get_property(np, "device-id", NULL);
756                 fs_enet_data.fs_no = *id;
757                 strcpy(fs_enet_data.fs_type, model);
758
759                 mdio = of_get_parent(phy);
760                 ret = of_address_to_resource(mdio, 0, &res);
761                 if (ret) {
762                         of_node_put(phy);
763                         of_node_put(mdio);
764                         goto unreg;
765                 }
766
767                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
768                                                 "rx-clock", NULL));
769                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
770                                                 "tx-clock", NULL));
771
772                 if (strstr(model, "FCC")) {
773                         int fcc_index = *id - 1;
774                         const unsigned char *mdio_bb_prop;
775
776                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
777                         fs_enet_data.rx_ring = 32;
778                         fs_enet_data.tx_ring = 32;
779                         fs_enet_data.rx_copybreak = 240;
780                         fs_enet_data.use_napi = 0;
781                         fs_enet_data.napi_weight = 17;
782                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
783                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
784                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
785
786                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
787                                                         (u32)res.start, fs_enet_data.phy_addr);
788                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
789                         fs_enet_data.init_ioports = init_fcc_ioports;
790
791                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
792                         if (mdio_bb_prop) {
793                                 struct platform_device *fs_enet_mdio_bb_dev;
794                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
795
796                                 fs_enet_mdio_bb_dev =
797                                         platform_device_register_simple("fsl-bb-mdio",
798                                                         i, NULL, 0);
799                                 memset(&fs_enet_mdio_bb_data, 0,
800                                                 sizeof(struct fs_mii_bb_platform_info));
801                                 fs_enet_mdio_bb_data.mdio_dat.bit =
802                                         mdio_bb_prop[0];
803                                 fs_enet_mdio_bb_data.mdio_dir.bit =
804                                         mdio_bb_prop[1];
805                                 fs_enet_mdio_bb_data.mdc_dat.bit =
806                                         mdio_bb_prop[2];
807                                 fs_enet_mdio_bb_data.mdio_port =
808                                         mdio_bb_prop[3];
809                                 fs_enet_mdio_bb_data.mdc_port =
810                                         mdio_bb_prop[4];
811                                 fs_enet_mdio_bb_data.delay =
812                                         mdio_bb_prop[5];
813
814                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
815                                 fs_enet_mdio_bb_data.irq[1] = -1;
816                                 fs_enet_mdio_bb_data.irq[2] = -1;
817                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
818                                 fs_enet_mdio_bb_data.irq[31] = -1;
819
820                                 fs_enet_mdio_bb_data.mdio_dat.offset =
821                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
822                                 fs_enet_mdio_bb_data.mdio_dir.offset =
823                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
824                                 fs_enet_mdio_bb_data.mdc_dat.offset =
825                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
826
827                                 ret = platform_device_add_data(
828                                                 fs_enet_mdio_bb_dev,
829                                                 &fs_enet_mdio_bb_data,
830                                                 sizeof(struct fs_mii_bb_platform_info));
831                                 if (ret)
832                                         goto unreg;
833                         }
834
835                         of_node_put(phy);
836                         of_node_put(mdio);
837
838                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
839                                                      sizeof(struct
840                                                             fs_platform_info));
841                         if (ret)
842                                 goto unreg;
843                 }
844         }
845         return 0;
846
847 unreg:
848         platform_device_unregister(fs_enet_dev);
849 err:
850         return ret;
851 }
852
853 arch_initcall(fs_enet_of_init);
854
855 static const char scc_regs[] = "regs";
856 static const char scc_pram[] = "pram";
857
858 static int __init cpm_uart_of_init(void)
859 {
860         struct device_node *np;
861         unsigned int i;
862         struct platform_device *cpm_uart_dev;
863         int ret;
864
865         for (np = NULL, i = 0;
866              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
867              i++) {
868                 struct resource r[3];
869                 struct fs_uart_platform_info cpm_uart_data;
870                 const int *id;
871                 const char *model;
872
873                 memset(r, 0, sizeof(r));
874                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
875
876                 ret = of_address_to_resource(np, 0, &r[0]);
877                 if (ret)
878                         goto err;
879
880                 r[0].name = scc_regs;
881
882                 ret = of_address_to_resource(np, 1, &r[1]);
883                 if (ret)
884                         goto err;
885                 r[1].name = scc_pram;
886
887                 of_irq_to_resource(np, 0, &r[2]);
888
889                 cpm_uart_dev =
890                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
891
892                 if (IS_ERR(cpm_uart_dev)) {
893                         ret = PTR_ERR(cpm_uart_dev);
894                         goto err;
895                 }
896
897                 id = of_get_property(np, "device-id", NULL);
898                 cpm_uart_data.fs_no = *id;
899
900                 model = of_get_property(np, "model", NULL);
901                 strcpy(cpm_uart_data.fs_type, model);
902
903                 cpm_uart_data.uart_clk = ppc_proc_freq;
904
905                 cpm_uart_data.tx_num_fifo = 4;
906                 cpm_uart_data.tx_buf_size = 32;
907                 cpm_uart_data.rx_num_fifo = 4;
908                 cpm_uart_data.rx_buf_size = 32;
909                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
910                                                 "rx-clock", NULL));
911                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
912                                                 "tx-clock", NULL));
913
914                 ret =
915                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
916                                              sizeof(struct
917                                                     fs_uart_platform_info));
918                 if (ret)
919                         goto unreg;
920         }
921
922         return 0;
923
924 unreg:
925         platform_device_unregister(cpm_uart_dev);
926 err:
927         return ret;
928 }
929
930 arch_initcall(cpm_uart_of_init);
931 #endif /* CONFIG_CPM2 */
932
933 #ifdef CONFIG_8xx
934
935 extern void init_scc_ioports(struct fs_platform_info*);
936 extern int platform_device_skip(const char *model, int id);
937
938 static int __init fs_enet_mdio_of_init(void)
939 {
940         struct device_node *np;
941         unsigned int i;
942         struct platform_device *mdio_dev;
943         struct resource res;
944         int ret;
945
946         for (np = NULL, i = 0;
947              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
948              i++) {
949                 struct fs_mii_fec_platform_info mdio_data;
950
951                 memset(&res, 0, sizeof(res));
952                 memset(&mdio_data, 0, sizeof(mdio_data));
953
954                 ret = of_address_to_resource(np, 0, &res);
955                 if (ret)
956                         goto err;
957
958                 mdio_dev =
959                     platform_device_register_simple("fsl-cpm-fec-mdio",
960                                                     res.start, &res, 1);
961                 if (IS_ERR(mdio_dev)) {
962                         ret = PTR_ERR(mdio_dev);
963                         goto err;
964                 }
965
966                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
967
968                 ret =
969                     platform_device_add_data(mdio_dev, &mdio_data,
970                                              sizeof(struct fs_mii_fec_platform_info));
971                 if (ret)
972                         goto unreg;
973         }
974         return 0;
975
976 unreg:
977         platform_device_unregister(mdio_dev);
978 err:
979         return ret;
980 }
981
982 arch_initcall(fs_enet_mdio_of_init);
983
984 static const char *enet_regs = "regs";
985 static const char *enet_pram = "pram";
986 static const char *enet_irq = "interrupt";
987 static char bus_id[9][BUS_ID_SIZE];
988
989 static int __init fs_enet_of_init(void)
990 {
991         struct device_node *np;
992         unsigned int i;
993         struct platform_device *fs_enet_dev = NULL;
994         struct resource res;
995         int ret;
996
997         for (np = NULL, i = 0;
998              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
999              i++) {
1000                 struct resource r[4];
1001                 struct device_node *phy = NULL, *mdio = NULL;
1002                 struct fs_platform_info fs_enet_data;
1003                 const unsigned int *id;
1004                 const unsigned int *phy_addr;
1005                 const void *mac_addr;
1006                 const phandle *ph;
1007                 const char *model;
1008
1009                 memset(r, 0, sizeof(r));
1010                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1011
1012                 model = of_get_property(np, "model", NULL);
1013                 if (model == NULL) {
1014                         ret = -ENODEV;
1015                         goto unreg;
1016                 }
1017
1018                 id = of_get_property(np, "device-id", NULL);
1019                 fs_enet_data.fs_no = *id;
1020
1021                 if (platform_device_skip(model, *id))
1022                         continue;
1023
1024                 ret = of_address_to_resource(np, 0, &r[0]);
1025                 if (ret)
1026                         goto err;
1027                 r[0].name = enet_regs;
1028
1029                 mac_addr = of_get_mac_address(np);
1030                 if (mac_addr)
1031                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1032
1033                 ph = of_get_property(np, "phy-handle", NULL);
1034                 if (ph != NULL)
1035                         phy = of_find_node_by_phandle(*ph);
1036
1037                 if (phy != NULL) {
1038                         phy_addr = of_get_property(phy, "reg", NULL);
1039                         fs_enet_data.phy_addr = *phy_addr;
1040                         fs_enet_data.has_phy = 1;
1041
1042                         mdio = of_get_parent(phy);
1043                         ret = of_address_to_resource(mdio, 0, &res);
1044                         if (ret) {
1045                                 of_node_put(phy);
1046                                 of_node_put(mdio);
1047                                 goto unreg;
1048                         }
1049                 }
1050
1051                 model = of_get_property(np, "model", NULL);
1052                 strcpy(fs_enet_data.fs_type, model);
1053
1054                 if (strstr(model, "FEC")) {
1055                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1056                         r[1].flags = IORESOURCE_IRQ;
1057                         r[1].name = enet_irq;
1058
1059                         fs_enet_dev =
1060                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1061
1062                         if (IS_ERR(fs_enet_dev)) {
1063                                 ret = PTR_ERR(fs_enet_dev);
1064                                 goto err;
1065                         }
1066
1067                         fs_enet_data.rx_ring = 128;
1068                         fs_enet_data.tx_ring = 16;
1069                         fs_enet_data.rx_copybreak = 240;
1070                         fs_enet_data.use_napi = 1;
1071                         fs_enet_data.napi_weight = 17;
1072
1073                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1074                                                         (u32)res.start, fs_enet_data.phy_addr);
1075                         fs_enet_data.bus_id = (char*)&bus_id[i];
1076                         fs_enet_data.init_ioports = init_fec_ioports;
1077                 }
1078                 if (strstr(model, "SCC")) {
1079                         ret = of_address_to_resource(np, 1, &r[1]);
1080                         if (ret)
1081                                 goto err;
1082                         r[1].name = enet_pram;
1083
1084                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1085                         r[2].flags = IORESOURCE_IRQ;
1086                         r[2].name = enet_irq;
1087
1088                         fs_enet_dev =
1089                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1090
1091                         if (IS_ERR(fs_enet_dev)) {
1092                                 ret = PTR_ERR(fs_enet_dev);
1093                                 goto err;
1094                         }
1095
1096                         fs_enet_data.rx_ring = 64;
1097                         fs_enet_data.tx_ring = 8;
1098                         fs_enet_data.rx_copybreak = 240;
1099                         fs_enet_data.use_napi = 1;
1100                         fs_enet_data.napi_weight = 17;
1101
1102                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1103                         fs_enet_data.bus_id = (char*)&bus_id[i];
1104                         fs_enet_data.init_ioports = init_scc_ioports;
1105                 }
1106
1107                 of_node_put(phy);
1108                 of_node_put(mdio);
1109
1110                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1111                                              sizeof(struct
1112                                                     fs_platform_info));
1113                 if (ret)
1114                         goto unreg;
1115         }
1116         return 0;
1117
1118 unreg:
1119         platform_device_unregister(fs_enet_dev);
1120 err:
1121         return ret;
1122 }
1123
1124 arch_initcall(fs_enet_of_init);
1125
1126 static int __init fsl_pcmcia_of_init(void)
1127 {
1128         struct device_node *np = NULL;
1129         /*
1130          * Register all the devices which type is "pcmcia"
1131          */
1132         while ((np = of_find_compatible_node(np,
1133                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1134                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1135         return 0;
1136 }
1137
1138 arch_initcall(fsl_pcmcia_of_init);
1139
1140 static const char *smc_regs = "regs";
1141 static const char *smc_pram = "pram";
1142
1143 static int __init cpm_smc_uart_of_init(void)
1144 {
1145         struct device_node *np;
1146         unsigned int i;
1147         struct platform_device *cpm_uart_dev;
1148         int ret;
1149
1150         for (np = NULL, i = 0;
1151              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1152              i++) {
1153                 struct resource r[3];
1154                 struct fs_uart_platform_info cpm_uart_data;
1155                 const int *id;
1156                 const char *model;
1157
1158                 memset(r, 0, sizeof(r));
1159                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1160
1161                 ret = of_address_to_resource(np, 0, &r[0]);
1162                 if (ret)
1163                         goto err;
1164
1165                 r[0].name = smc_regs;
1166
1167                 ret = of_address_to_resource(np, 1, &r[1]);
1168                 if (ret)
1169                         goto err;
1170                 r[1].name = smc_pram;
1171
1172                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1173                 r[2].flags = IORESOURCE_IRQ;
1174
1175                 cpm_uart_dev =
1176                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1177
1178                 if (IS_ERR(cpm_uart_dev)) {
1179                         ret = PTR_ERR(cpm_uart_dev);
1180                         goto err;
1181                 }
1182
1183                 model = of_get_property(np, "model", NULL);
1184                 strcpy(cpm_uart_data.fs_type, model);
1185
1186                 id = of_get_property(np, "device-id", NULL);
1187                 cpm_uart_data.fs_no = *id;
1188                 cpm_uart_data.uart_clk = ppc_proc_freq;
1189
1190                 cpm_uart_data.tx_num_fifo = 4;
1191                 cpm_uart_data.tx_buf_size = 32;
1192                 cpm_uart_data.rx_num_fifo = 4;
1193                 cpm_uart_data.rx_buf_size = 32;
1194
1195                 ret =
1196                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1197                                              sizeof(struct
1198                                                     fs_uart_platform_info));
1199                 if (ret)
1200                         goto unreg;
1201         }
1202
1203         return 0;
1204
1205 unreg:
1206         platform_device_unregister(cpm_uart_dev);
1207 err:
1208         return ret;
1209 }
1210
1211 arch_initcall(cpm_smc_uart_of_init);
1212
1213 #endif /* CONFIG_8xx */
1214 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1215
1216 int __init fsl_spi_init(struct spi_board_info *board_infos,
1217                         unsigned int num_board_infos,
1218                         void (*activate_cs)(u8 cs, u8 polarity),
1219                         void (*deactivate_cs)(u8 cs, u8 polarity))
1220 {
1221         struct device_node *np;
1222         unsigned int i;
1223         const u32 *sysclk;
1224
1225         np = of_find_node_by_type(NULL, "qe");
1226         if (!np)
1227                 return -ENODEV;
1228
1229         sysclk = of_get_property(np, "bus-frequency", NULL);
1230         if (!sysclk)
1231                 return -ENODEV;
1232
1233         for (np = NULL, i = 1;
1234              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1235              i++) {
1236                 int ret = 0;
1237                 unsigned int j;
1238                 const void *prop;
1239                 struct resource res[2];
1240                 struct platform_device *pdev;
1241                 struct fsl_spi_platform_data pdata = {
1242                         .activate_cs = activate_cs,
1243                         .deactivate_cs = deactivate_cs,
1244                 };
1245
1246                 memset(res, 0, sizeof(res));
1247
1248                 pdata.sysclk = *sysclk;
1249
1250                 prop = of_get_property(np, "reg", NULL);
1251                 if (!prop)
1252                         goto err;
1253                 pdata.bus_num = *(u32 *)prop;
1254
1255                 prop = of_get_property(np, "mode", NULL);
1256                 if (prop && !strcmp(prop, "cpu-qe"))
1257                         pdata.qe_mode = 1;
1258
1259                 for (j = 0; j < num_board_infos; j++) {
1260                         if (board_infos[j].bus_num == pdata.bus_num)
1261                                 pdata.max_chipselect++;
1262                 }
1263
1264                 if (!pdata.max_chipselect)
1265                         goto err;
1266
1267                 ret = of_address_to_resource(np, 0, &res[0]);
1268                 if (ret)
1269                         goto err;
1270
1271                 ret = of_irq_to_resource(np, 0, &res[1]);
1272                 if (ret == NO_IRQ)
1273                         goto err;
1274
1275                 pdev = platform_device_alloc("mpc83xx_spi", i);
1276                 if (!pdev)
1277                         goto err;
1278
1279                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1280                 if (ret)
1281                         goto unreg;
1282
1283                 ret = platform_device_add_resources(pdev, res,
1284                                                     ARRAY_SIZE(res));
1285                 if (ret)
1286                         goto unreg;
1287
1288                 ret = platform_device_register(pdev);
1289                 if (ret)
1290                         goto unreg;
1291
1292                 continue;
1293 unreg:
1294                 platform_device_del(pdev);
1295 err:
1296                 continue;
1297         }
1298
1299         return spi_register_board_info(board_infos, num_board_infos);
1300 }
1301
1302 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1303 static __be32 __iomem *rstcr;
1304
1305 static int __init setup_rstcr(void)
1306 {
1307         struct device_node *np;
1308         np = of_find_node_by_name(NULL, "global-utilities");
1309         if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1310                 const u32 *prop = of_get_property(np, "reg", NULL);
1311                 if (prop) {
1312                         /* map reset control register
1313                          * 0xE00B0 is offset of reset control register
1314                          */
1315                         rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1316                         if (!rstcr)
1317                                 printk (KERN_EMERG "Error: reset control "
1318                                                 "register not mapped!\n");
1319                 }
1320         } else
1321                 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1322         if (np)
1323                 of_node_put(np);
1324         return 0;
1325 }
1326
1327 arch_initcall(setup_rstcr);
1328
1329 void fsl_rstcr_restart(char *cmd)
1330 {
1331         local_irq_disable();
1332         if (rstcr)
1333                 /* set reset control register */
1334                 out_be32(rstcr, 0x2);   /* HRESET_REQ */
1335
1336         while (1) ;
1337 }
1338 #endif