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atmel_serial: fix bugs in probe() error path and remove()
[pv_ops_mirror.git] / arch / powerpc / sysdev / fsl_soc.c
blob2c5388ce902abfaa3fd9f400c231a3dd64735cc5
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/phy_fixed.h>
28 #include <linux/spi/spi.h>
29 #include <linux/fsl_devices.h>
30 #include <linux/fs_enet_pd.h>
31 #include <linux/fs_uart_pd.h>
32
33 #include <asm/system.h>
34 #include <asm/atomic.h>
35 #include <asm/io.h>
36 #include <asm/irq.h>
37 #include <asm/time.h>
38 #include <asm/prom.h>
39 #include <sysdev/fsl_soc.h>
40 #include <mm/mmu_decl.h>
41 #include <asm/cpm2.h>
42
43 extern void init_fcc_ioports(struct fs_platform_info*);
44 extern void init_fec_ioports(struct fs_platform_info*);
45 extern void init_smc_ioports(struct fs_uart_platform_info*);
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");
56 if (soc) {
57 int size;
58 u32 naddr;
59 const u32 *prop = of_get_property(soc, "#address-cells", &size);
60
61 if (prop && size == 4)
62 naddr = *prop;
63 else
64 naddr = 2;
65
66 prop = of_get_property(soc, "ranges", &size);
67 if (prop)
68 immrbase = of_translate_address(soc, prop + naddr);
69
70 of_node_put(soc);
71 }
72
73 return immrbase;
74 }
75
76 EXPORT_SYMBOL(get_immrbase);
77
78 #if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
79
80 static u32 brgfreq = -1;
81
82 u32 get_brgfreq(void)
83 {
84 struct device_node *node;
85 const unsigned int *prop;
86 int size;
87
88 if (brgfreq != -1)
89 return brgfreq;
90
91 node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
92 if (node) {
93 prop = of_get_property(node, "clock-frequency", &size);
94 if (prop && size == 4)
95 brgfreq = *prop;
96
97 of_node_put(node);
98 return brgfreq;
99 }
100
101 /* Legacy device binding -- will go away when no users are left. */
102 node = of_find_node_by_type(NULL, "cpm");
103 if (!node)
104 node = of_find_compatible_node(NULL, NULL, "fsl,qe");
105 if (!node)
106 node = of_find_node_by_type(NULL, "qe");
107
108 if (node) {
109 prop = of_get_property(node, "brg-frequency", &size);
110 if (prop && size == 4)
111 brgfreq = *prop;
112
113 if (brgfreq == -1 || brgfreq == 0) {
114 prop = of_get_property(node, "bus-frequency", &size);
115 if (prop && size == 4)
116 brgfreq = *prop / 2;
117 }
118 of_node_put(node);
119 }
120
121 return brgfreq;
122 }
123
124 EXPORT_SYMBOL(get_brgfreq);
125
126 static u32 fs_baudrate = -1;
127
128 u32 get_baudrate(void)
129 {
130 struct device_node *node;
131
132 if (fs_baudrate != -1)
133 return fs_baudrate;
134
135 node = of_find_node_by_type(NULL, "serial");
136 if (node) {
137 int size;
138 const unsigned int *prop = of_get_property(node,
139 "current-speed", &size);
140
141 if (prop)
142 fs_baudrate = *prop;
143 of_node_put(node);
144 }
145
146 return fs_baudrate;
147 }
148
149 EXPORT_SYMBOL(get_baudrate);
150 #endif /* CONFIG_CPM2 */
151
152 #ifdef CONFIG_FIXED_PHY
153 static int __init of_add_fixed_phys(void)
154 {
155 int ret;
156 struct device_node *np;
157 u32 *fixed_link;
158 struct fixed_phy_status status = {};
159
160 for_each_node_by_name(np, "ethernet") {
161 fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL);
162 if (!fixed_link)
163 continue;
164
165 status.link = 1;
166 status.duplex = fixed_link[1];
167 status.speed = fixed_link[2];
168 status.pause = fixed_link[3];
169 status.asym_pause = fixed_link[4];
170
171 ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
172 if (ret) {
173 of_node_put(np);
174 return ret;
175 }
176 }
177
178 return 0;
179 }
180 arch_initcall(of_add_fixed_phys);
181 #endif /* CONFIG_FIXED_PHY */
182
183 static int __init gfar_mdio_of_init(void)
184 {
185 struct device_node *np = NULL;
186 struct platform_device *mdio_dev;
187 struct resource res;
188 int ret;
189
190 np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
191
192 /* try the deprecated version */
193 if (!np)
194 np = of_find_compatible_node(np, "mdio", "gianfar");
195
196 if (np) {
197 int k;
198 struct device_node *child = NULL;
199 struct gianfar_mdio_data mdio_data;
200
201 memset(&res, 0, sizeof(res));
202 memset(&mdio_data, 0, sizeof(mdio_data));
203
204 ret = of_address_to_resource(np, 0, &res);
205 if (ret)
206 goto err;
207
208 mdio_dev =
209 platform_device_register_simple("fsl-gianfar_mdio",
210 res.start, &res, 1);
211 if (IS_ERR(mdio_dev)) {
212 ret = PTR_ERR(mdio_dev);
213 goto err;
214 }
215
216 for (k = 0; k < 32; k++)
217 mdio_data.irq[k] = PHY_POLL;
218
219 while ((child = of_get_next_child(np, child)) != NULL) {
220 int irq = irq_of_parse_and_map(child, 0);
221 if (irq != NO_IRQ) {
222 const u32 *id = of_get_property(child,
223 "reg", NULL);
224 mdio_data.irq[*id] = irq;
225 }
226 }
227
228 ret =
229 platform_device_add_data(mdio_dev, &mdio_data,
230 sizeof(struct gianfar_mdio_data));
231 if (ret)
232 goto unreg;
233 }
234
235 of_node_put(np);
236 return 0;
237
238 unreg:
239 platform_device_unregister(mdio_dev);
240 err:
241 of_node_put(np);
242 return ret;
243 }
244
245 arch_initcall(gfar_mdio_of_init);
246
247 static const char *gfar_tx_intr = "tx";
248 static const char *gfar_rx_intr = "rx";
249 static const char *gfar_err_intr = "error";
250
251 static int __init gfar_of_init(void)
252 {
253 struct device_node *np;
254 unsigned int i;
255 struct platform_device *gfar_dev;
256 struct resource res;
257 int ret;
258
259 for (np = NULL, i = 0;
260 (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
261 i++) {
262 struct resource r[4];
263 struct device_node *phy, *mdio;
264 struct gianfar_platform_data gfar_data;
265 const unsigned int *id;
266 const char *model;
267 const char *ctype;
268 const void *mac_addr;
269 const phandle *ph;
270 int n_res = 2;
271
272 memset(r, 0, sizeof(r));
273 memset(&gfar_data, 0, sizeof(gfar_data));
274
275 ret = of_address_to_resource(np, 0, &r[0]);
276 if (ret)
277 goto err;
278
279 of_irq_to_resource(np, 0, &r[1]);
280
281 model = of_get_property(np, "model", NULL);
282
283 /* If we aren't the FEC we have multiple interrupts */
284 if (model && strcasecmp(model, "FEC")) {
285 r[1].name = gfar_tx_intr;
286
287 r[2].name = gfar_rx_intr;
288 of_irq_to_resource(np, 1, &r[2]);
289
290 r[3].name = gfar_err_intr;
291 of_irq_to_resource(np, 2, &r[3]);
292
293 n_res += 2;
294 }
295
296 gfar_dev =
297 platform_device_register_simple("fsl-gianfar", i, &r[0],
298 n_res);
299
300 if (IS_ERR(gfar_dev)) {
301 ret = PTR_ERR(gfar_dev);
302 goto err;
303 }
304
305 mac_addr = of_get_mac_address(np);
306 if (mac_addr)
307 memcpy(gfar_data.mac_addr, mac_addr, 6);
308
309 if (model && !strcasecmp(model, "TSEC"))
310 gfar_data.device_flags =
311 FSL_GIANFAR_DEV_HAS_GIGABIT |
312 FSL_GIANFAR_DEV_HAS_COALESCE |
313 FSL_GIANFAR_DEV_HAS_RMON |
314 FSL_GIANFAR_DEV_HAS_MULTI_INTR;
315 if (model && !strcasecmp(model, "eTSEC"))
316 gfar_data.device_flags =
317 FSL_GIANFAR_DEV_HAS_GIGABIT |
318 FSL_GIANFAR_DEV_HAS_COALESCE |
319 FSL_GIANFAR_DEV_HAS_RMON |
320 FSL_GIANFAR_DEV_HAS_MULTI_INTR |
321 FSL_GIANFAR_DEV_HAS_CSUM |
322 FSL_GIANFAR_DEV_HAS_VLAN |
323 FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
324
325 ctype = of_get_property(np, "phy-connection-type", NULL);
326
327 /* We only care about rgmii-id. The rest are autodetected */
328 if (ctype && !strcmp(ctype, "rgmii-id"))
329 gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
330 else
331 gfar_data.interface = PHY_INTERFACE_MODE_MII;
332
333 ph = of_get_property(np, "phy-handle", NULL);
334 if (ph == NULL) {
335 u32 *fixed_link;
336
337 fixed_link = (u32 *)of_get_property(np, "fixed-link",
338 NULL);
339 if (!fixed_link) {
340 ret = -ENODEV;
341 goto unreg;
342 }
343
344 gfar_data.bus_id = 0;
345 gfar_data.phy_id = fixed_link[0];
346 } else {
347 phy = of_find_node_by_phandle(*ph);
348
349 if (phy == NULL) {
350 ret = -ENODEV;
351 goto unreg;
352 }
353
354 mdio = of_get_parent(phy);
355
356 id = of_get_property(phy, "reg", NULL);
357 ret = of_address_to_resource(mdio, 0, &res);
358 if (ret) {
359 of_node_put(phy);
360 of_node_put(mdio);
361 goto unreg;
362 }
363
364 gfar_data.phy_id = *id;
365 gfar_data.bus_id = res.start;
366
367 of_node_put(phy);
368 of_node_put(mdio);
369 }
370
371 ret =
372 platform_device_add_data(gfar_dev, &gfar_data,
373 sizeof(struct
374 gianfar_platform_data));
375 if (ret)
376 goto unreg;
377 }
378
379 return 0;
380
381 unreg:
382 platform_device_unregister(gfar_dev);
383 err:
384 return ret;
385 }
386
387 arch_initcall(gfar_of_init);
388
389 #ifdef CONFIG_I2C_BOARDINFO
390 #include <linux/i2c.h>
391 struct i2c_driver_device {
392 char *of_device;
393 char *i2c_driver;
394 char *i2c_type;
395 };
396
397 static struct i2c_driver_device i2c_devices[] __initdata = {
398 {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
399 {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
400 {"ricoh,rv5c386", "rtc-rs5c372", "rv5c386",},
401 {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
402 {"dallas,ds1307", "rtc-ds1307", "ds1307",},
403 {"dallas,ds1337", "rtc-ds1307", "ds1337",},
404 {"dallas,ds1338", "rtc-ds1307", "ds1338",},
405 {"dallas,ds1339", "rtc-ds1307", "ds1339",},
406 {"dallas,ds1340", "rtc-ds1307", "ds1340",},
407 {"stm,m41t00", "rtc-ds1307", "m41t00"},
408 {"dallas,ds1374", "rtc-ds1374", "rtc-ds1374",},
409 };
410
411 static int __init of_find_i2c_driver(struct device_node *node,
412 struct i2c_board_info *info)
413 {
414 int i;
415
416 for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
417 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
418 continue;
419 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
420 KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
421 strlcpy(info->type, i2c_devices[i].i2c_type,
422 I2C_NAME_SIZE) >= I2C_NAME_SIZE)
423 return -ENOMEM;
424 return 0;
425 }
426 return -ENODEV;
427 }
428
429 static void __init of_register_i2c_devices(struct device_node *adap_node,
430 int bus_num)
431 {
432 struct device_node *node = NULL;
433
434 while ((node = of_get_next_child(adap_node, node))) {
435 struct i2c_board_info info = {};
436 const u32 *addr;
437 int len;
438
439 addr = of_get_property(node, "reg", &len);
440 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
441 printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
442 continue;
443 }
444
445 info.irq = irq_of_parse_and_map(node, 0);
446 if (info.irq == NO_IRQ)
447 info.irq = -1;
448
449 if (of_find_i2c_driver(node, &info) < 0)
450 continue;
451
452 info.addr = *addr;
453
454 i2c_register_board_info(bus_num, &info, 1);
455 }
456 }
457
458 static int __init fsl_i2c_of_init(void)
459 {
460 struct device_node *np;
461 unsigned int i = 0;
462 struct platform_device *i2c_dev;
463 int ret;
464
465 for_each_compatible_node(np, NULL, "fsl-i2c") {
466 struct resource r[2];
467 struct fsl_i2c_platform_data i2c_data;
468 const unsigned char *flags = NULL;
469
470 memset(&r, 0, sizeof(r));
471 memset(&i2c_data, 0, sizeof(i2c_data));
472
473 ret = of_address_to_resource(np, 0, &r[0]);
474 if (ret)
475 goto err;
476
477 of_irq_to_resource(np, 0, &r[1]);
478
479 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
480 if (IS_ERR(i2c_dev)) {
481 ret = PTR_ERR(i2c_dev);
482 goto err;
483 }
484
485 i2c_data.device_flags = 0;
486 flags = of_get_property(np, "dfsrr", NULL);
487 if (flags)
488 i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
489
490 flags = of_get_property(np, "fsl5200-clocking", NULL);
491 if (flags)
492 i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
493
494 ret =
495 platform_device_add_data(i2c_dev, &i2c_data,
496 sizeof(struct
497 fsl_i2c_platform_data));
498 if (ret)
499 goto unreg;
500
501 of_register_i2c_devices(np, i++);
502 }
503
504 return 0;
505
506 unreg:
507 platform_device_unregister(i2c_dev);
508 err:
509 return ret;
510 }
511
512 arch_initcall(fsl_i2c_of_init);
513 #endif
514
515 #ifdef CONFIG_PPC_83xx
516 static int __init mpc83xx_wdt_init(void)
517 {
518 struct resource r;
519 struct device_node *soc, *np;
520 struct platform_device *dev;
521 const unsigned int *freq;
522 int ret;
523
524 np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
525
526 if (!np) {
527 ret = -ENODEV;
528 goto nodev;
529 }
530
531 soc = of_find_node_by_type(NULL, "soc");
532
533 if (!soc) {
534 ret = -ENODEV;
535 goto nosoc;
536 }
537
538 freq = of_get_property(soc, "bus-frequency", NULL);
539 if (!freq) {
540 ret = -ENODEV;
541 goto err;
542 }
543
544 memset(&r, 0, sizeof(r));
545
546 ret = of_address_to_resource(np, 0, &r);
547 if (ret)
548 goto err;
549
550 dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
551 if (IS_ERR(dev)) {
552 ret = PTR_ERR(dev);
553 goto err;
554 }
555
556 ret = platform_device_add_data(dev, freq, sizeof(int));
557 if (ret)
558 goto unreg;
559
560 of_node_put(soc);
561 of_node_put(np);
562
563 return 0;
564
565 unreg:
566 platform_device_unregister(dev);
567 err:
568 of_node_put(soc);
569 nosoc:
570 of_node_put(np);
571 nodev:
572 return ret;
573 }
574
575 arch_initcall(mpc83xx_wdt_init);
576 #endif
577
578 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
579 {
580 if (!phy_type)
581 return FSL_USB2_PHY_NONE;
582 if (!strcasecmp(phy_type, "ulpi"))
583 return FSL_USB2_PHY_ULPI;
584 if (!strcasecmp(phy_type, "utmi"))
585 return FSL_USB2_PHY_UTMI;
586 if (!strcasecmp(phy_type, "utmi_wide"))
587 return FSL_USB2_PHY_UTMI_WIDE;
588 if (!strcasecmp(phy_type, "serial"))
589 return FSL_USB2_PHY_SERIAL;
590
591 return FSL_USB2_PHY_NONE;
592 }
593
594 static int __init fsl_usb_of_init(void)
595 {
596 struct device_node *np;
597 unsigned int i = 0;
598 struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
599 *usb_dev_dr_client = NULL;
600 int ret;
601
602 for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
603 struct resource r[2];
604 struct fsl_usb2_platform_data usb_data;
605 const unsigned char *prop = NULL;
606
607 memset(&r, 0, sizeof(r));
608 memset(&usb_data, 0, sizeof(usb_data));
609
610 ret = of_address_to_resource(np, 0, &r[0]);
611 if (ret)
612 goto err;
613
614 of_irq_to_resource(np, 0, &r[1]);
615
616 usb_dev_mph =
617 platform_device_register_simple("fsl-ehci", i, r, 2);
618 if (IS_ERR(usb_dev_mph)) {
619 ret = PTR_ERR(usb_dev_mph);
620 goto err;
621 }
622
623 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
624 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
625
626 usb_data.operating_mode = FSL_USB2_MPH_HOST;
627
628 prop = of_get_property(np, "port0", NULL);
629 if (prop)
630 usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
631
632 prop = of_get_property(np, "port1", NULL);
633 if (prop)
634 usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
635
636 prop = of_get_property(np, "phy_type", NULL);
637 usb_data.phy_mode = determine_usb_phy(prop);
638
639 ret =
640 platform_device_add_data(usb_dev_mph, &usb_data,
641 sizeof(struct
642 fsl_usb2_platform_data));
643 if (ret)
644 goto unreg_mph;
645 i++;
646 }
647
648 for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
649 struct resource r[2];
650 struct fsl_usb2_platform_data usb_data;
651 const unsigned char *prop = NULL;
652
653 memset(&r, 0, sizeof(r));
654 memset(&usb_data, 0, sizeof(usb_data));
655
656 ret = of_address_to_resource(np, 0, &r[0]);
657 if (ret)
658 goto unreg_mph;
659
660 of_irq_to_resource(np, 0, &r[1]);
661
662 prop = of_get_property(np, "dr_mode", NULL);
663
664 if (!prop || !strcmp(prop, "host")) {
665 usb_data.operating_mode = FSL_USB2_DR_HOST;
666 usb_dev_dr_host = platform_device_register_simple(
667 "fsl-ehci", i, r, 2);
668 if (IS_ERR(usb_dev_dr_host)) {
669 ret = PTR_ERR(usb_dev_dr_host);
670 goto err;
671 }
672 } else if (prop && !strcmp(prop, "peripheral")) {
673 usb_data.operating_mode = FSL_USB2_DR_DEVICE;
674 usb_dev_dr_client = platform_device_register_simple(
675 "fsl-usb2-udc", i, r, 2);
676 if (IS_ERR(usb_dev_dr_client)) {
677 ret = PTR_ERR(usb_dev_dr_client);
678 goto err;
679 }
680 } else if (prop && !strcmp(prop, "otg")) {
681 usb_data.operating_mode = FSL_USB2_DR_OTG;
682 usb_dev_dr_host = platform_device_register_simple(
683 "fsl-ehci", i, r, 2);
684 if (IS_ERR(usb_dev_dr_host)) {
685 ret = PTR_ERR(usb_dev_dr_host);
686 goto err;
687 }
688 usb_dev_dr_client = platform_device_register_simple(
689 "fsl-usb2-udc", i, r, 2);
690 if (IS_ERR(usb_dev_dr_client)) {
691 ret = PTR_ERR(usb_dev_dr_client);
692 goto err;
693 }
694 } else {
695 ret = -EINVAL;
696 goto err;
697 }
698
699 prop = of_get_property(np, "phy_type", NULL);
700 usb_data.phy_mode = determine_usb_phy(prop);
701
702 if (usb_dev_dr_host) {
703 usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
704 usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
705 dev.coherent_dma_mask;
706 if ((ret = platform_device_add_data(usb_dev_dr_host,
707 &usb_data, sizeof(struct
708 fsl_usb2_platform_data))))
709 goto unreg_dr;
710 }
711 if (usb_dev_dr_client) {
712 usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
713 usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
714 dev.coherent_dma_mask;
715 if ((ret = platform_device_add_data(usb_dev_dr_client,
716 &usb_data, sizeof(struct
717 fsl_usb2_platform_data))))
718 goto unreg_dr;
719 }
720 i++;
721 }
722 return 0;
723
724 unreg_dr:
725 if (usb_dev_dr_host)
726 platform_device_unregister(usb_dev_dr_host);
727 if (usb_dev_dr_client)
728 platform_device_unregister(usb_dev_dr_client);
729 unreg_mph:
730 if (usb_dev_mph)
731 platform_device_unregister(usb_dev_mph);
732 err:
733 return ret;
734 }
735
736 arch_initcall(fsl_usb_of_init);
737
738 #ifndef CONFIG_PPC_CPM_NEW_BINDING
739 #ifdef CONFIG_CPM2
740
741 extern void init_scc_ioports(struct fs_uart_platform_info*);
742
743 static const char fcc_regs[] = "fcc_regs";
744 static const char fcc_regs_c[] = "fcc_regs_c";
745 static const char fcc_pram[] = "fcc_pram";
746 static char bus_id[9][BUS_ID_SIZE];
747
748 static int __init fs_enet_of_init(void)
749 {
750 struct device_node *np;
751 unsigned int i;
752 struct platform_device *fs_enet_dev;
753 struct resource res;
754 int ret;
755
756 for (np = NULL, i = 0;
757 (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
758 i++) {
759 struct resource r[4];
760 struct device_node *phy, *mdio;
761 struct fs_platform_info fs_enet_data;
762 const unsigned int *id, *phy_addr, *phy_irq;
763 const void *mac_addr;
764 const phandle *ph;
765 const char *model;
766
767 memset(r, 0, sizeof(r));
768 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
769
770 ret = of_address_to_resource(np, 0, &r[0]);
771 if (ret)
772 goto err;
773 r[0].name = fcc_regs;
774
775 ret = of_address_to_resource(np, 1, &r[1]);
776 if (ret)
777 goto err;
778 r[1].name = fcc_pram;
779
780 ret = of_address_to_resource(np, 2, &r[2]);
781 if (ret)
782 goto err;
783 r[2].name = fcc_regs_c;
784 fs_enet_data.fcc_regs_c = r[2].start;
785
786 of_irq_to_resource(np, 0, &r[3]);
787
788 fs_enet_dev =
789 platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
790
791 if (IS_ERR(fs_enet_dev)) {
792 ret = PTR_ERR(fs_enet_dev);
793 goto err;
794 }
795
796 model = of_get_property(np, "model", NULL);
797 if (model == NULL) {
798 ret = -ENODEV;
799 goto unreg;
800 }
801
802 mac_addr = of_get_mac_address(np);
803 if (mac_addr)
804 memcpy(fs_enet_data.macaddr, mac_addr, 6);
805
806 ph = of_get_property(np, "phy-handle", NULL);
807 phy = of_find_node_by_phandle(*ph);
808
809 if (phy == NULL) {
810 ret = -ENODEV;
811 goto unreg;
812 }
813
814 phy_addr = of_get_property(phy, "reg", NULL);
815 fs_enet_data.phy_addr = *phy_addr;
816
817 phy_irq = of_get_property(phy, "interrupts", NULL);
818
819 id = of_get_property(np, "device-id", NULL);
820 fs_enet_data.fs_no = *id;
821 strcpy(fs_enet_data.fs_type, model);
822
823 mdio = of_get_parent(phy);
824 ret = of_address_to_resource(mdio, 0, &res);
825 if (ret) {
826 of_node_put(phy);
827 of_node_put(mdio);
828 goto unreg;
829 }
830
831 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
832 "rx-clock", NULL));
833 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
834 "tx-clock", NULL));
835
836 if (strstr(model, "FCC")) {
837 int fcc_index = *id - 1;
838 const unsigned char *mdio_bb_prop;
839
840 fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
841 fs_enet_data.rx_ring = 32;
842 fs_enet_data.tx_ring = 32;
843 fs_enet_data.rx_copybreak = 240;
844 fs_enet_data.use_napi = 0;
845 fs_enet_data.napi_weight = 17;
846 fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
847 fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
848 fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
849
850 snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
851 (u32)res.start, fs_enet_data.phy_addr);
852 fs_enet_data.bus_id = (char*)&bus_id[(*id)];
853 fs_enet_data.init_ioports = init_fcc_ioports;
854
855 mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
856 if (mdio_bb_prop) {
857 struct platform_device *fs_enet_mdio_bb_dev;
858 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
859
860 fs_enet_mdio_bb_dev =
861 platform_device_register_simple("fsl-bb-mdio",
862 i, NULL, 0);
863 memset(&fs_enet_mdio_bb_data, 0,
864 sizeof(struct fs_mii_bb_platform_info));
865 fs_enet_mdio_bb_data.mdio_dat.bit =
866 mdio_bb_prop[0];
867 fs_enet_mdio_bb_data.mdio_dir.bit =
868 mdio_bb_prop[1];
869 fs_enet_mdio_bb_data.mdc_dat.bit =
870 mdio_bb_prop[2];
871 fs_enet_mdio_bb_data.mdio_port =
872 mdio_bb_prop[3];
873 fs_enet_mdio_bb_data.mdc_port =
874 mdio_bb_prop[4];
875 fs_enet_mdio_bb_data.delay =
876 mdio_bb_prop[5];
877
878 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
879 fs_enet_mdio_bb_data.irq[1] = -1;
880 fs_enet_mdio_bb_data.irq[2] = -1;
881 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
882 fs_enet_mdio_bb_data.irq[31] = -1;
883
884 fs_enet_mdio_bb_data.mdio_dat.offset =
885 (u32)&cpm2_immr->im_ioport.iop_pdatc;
886 fs_enet_mdio_bb_data.mdio_dir.offset =
887 (u32)&cpm2_immr->im_ioport.iop_pdirc;
888 fs_enet_mdio_bb_data.mdc_dat.offset =
889 (u32)&cpm2_immr->im_ioport.iop_pdatc;
890
891 ret = platform_device_add_data(
892 fs_enet_mdio_bb_dev,
893 &fs_enet_mdio_bb_data,
894 sizeof(struct fs_mii_bb_platform_info));
895 if (ret)
896 goto unreg;
897 }
898
899 of_node_put(phy);
900 of_node_put(mdio);
901
902 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
903 sizeof(struct
904 fs_platform_info));
905 if (ret)
906 goto unreg;
907 }
908 }
909 return 0;
910
911 unreg:
912 platform_device_unregister(fs_enet_dev);
913 err:
914 return ret;
915 }
916
917 arch_initcall(fs_enet_of_init);
918
919 static const char scc_regs[] = "regs";
920 static const char scc_pram[] = "pram";
921
922 static int __init cpm_uart_of_init(void)
923 {
924 struct device_node *np;
925 unsigned int i;
926 struct platform_device *cpm_uart_dev;
927 int ret;
928
929 for (np = NULL, i = 0;
930 (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
931 i++) {
932 struct resource r[3];
933 struct fs_uart_platform_info cpm_uart_data;
934 const int *id;
935 const char *model;
936
937 memset(r, 0, sizeof(r));
938 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
939
940 ret = of_address_to_resource(np, 0, &r[0]);
941 if (ret)
942 goto err;
943
944 r[0].name = scc_regs;
945
946 ret = of_address_to_resource(np, 1, &r[1]);
947 if (ret)
948 goto err;
949 r[1].name = scc_pram;
950
951 of_irq_to_resource(np, 0, &r[2]);
952
953 cpm_uart_dev =
954 platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
955
956 if (IS_ERR(cpm_uart_dev)) {
957 ret = PTR_ERR(cpm_uart_dev);
958 goto err;
959 }
960
961 id = of_get_property(np, "device-id", NULL);
962 cpm_uart_data.fs_no = *id;
963
964 model = of_get_property(np, "model", NULL);
965 strcpy(cpm_uart_data.fs_type, model);
966
967 cpm_uart_data.uart_clk = ppc_proc_freq;
968
969 cpm_uart_data.tx_num_fifo = 4;
970 cpm_uart_data.tx_buf_size = 32;
971 cpm_uart_data.rx_num_fifo = 4;
972 cpm_uart_data.rx_buf_size = 32;
973 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
974 "rx-clock", NULL));
975 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
976 "tx-clock", NULL));
977
978 ret =
979 platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
980 sizeof(struct
981 fs_uart_platform_info));
982 if (ret)
983 goto unreg;
984 }
985
986 return 0;
987
988 unreg:
989 platform_device_unregister(cpm_uart_dev);
990 err:
991 return ret;
992 }
993
994 arch_initcall(cpm_uart_of_init);
995 #endif /* CONFIG_CPM2 */
996
997 #ifdef CONFIG_8xx
998
999 extern void init_scc_ioports(struct fs_platform_info*);
1000 extern int platform_device_skip(const char *model, int id);
1001
1002 static int __init fs_enet_mdio_of_init(void)
1003 {
1004 struct device_node *np;
1005 unsigned int i;
1006 struct platform_device *mdio_dev;
1007 struct resource res;
1008 int ret;
1009
1010 for (np = NULL, i = 0;
1011 (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
1012 i++) {
1013 struct fs_mii_fec_platform_info mdio_data;
1014
1015 memset(&res, 0, sizeof(res));
1016 memset(&mdio_data, 0, sizeof(mdio_data));
1017
1018 ret = of_address_to_resource(np, 0, &res);
1019 if (ret)
1020 goto err;
1021
1022 mdio_dev =
1023 platform_device_register_simple("fsl-cpm-fec-mdio",
1024 res.start, &res, 1);
1025 if (IS_ERR(mdio_dev)) {
1026 ret = PTR_ERR(mdio_dev);
1027 goto err;
1028 }
1029
1030 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
1031
1032 ret =
1033 platform_device_add_data(mdio_dev, &mdio_data,
1034 sizeof(struct fs_mii_fec_platform_info));
1035 if (ret)
1036 goto unreg;
1037 }
1038 return 0;
1039
1040 unreg:
1041 platform_device_unregister(mdio_dev);
1042 err:
1043 return ret;
1044 }
1045
1046 arch_initcall(fs_enet_mdio_of_init);
1047
1048 static const char *enet_regs = "regs";
1049 static const char *enet_pram = "pram";
1050 static const char *enet_irq = "interrupt";
1051 static char bus_id[9][BUS_ID_SIZE];
1052
1053 static int __init fs_enet_of_init(void)
1054 {
1055 struct device_node *np;
1056 unsigned int i;
1057 struct platform_device *fs_enet_dev = NULL;
1058 struct resource res;
1059 int ret;
1060
1061 for (np = NULL, i = 0;
1062 (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
1063 i++) {
1064 struct resource r[4];
1065 struct device_node *phy = NULL, *mdio = NULL;
1066 struct fs_platform_info fs_enet_data;
1067 const unsigned int *id;
1068 const unsigned int *phy_addr;
1069 const void *mac_addr;
1070 const phandle *ph;
1071 const char *model;
1072
1073 memset(r, 0, sizeof(r));
1074 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1075
1076 model = of_get_property(np, "model", NULL);
1077 if (model == NULL) {
1078 ret = -ENODEV;
1079 goto unreg;
1080 }
1081
1082 id = of_get_property(np, "device-id", NULL);
1083 fs_enet_data.fs_no = *id;
1084
1085 if (platform_device_skip(model, *id))
1086 continue;
1087
1088 ret = of_address_to_resource(np, 0, &r[0]);
1089 if (ret)
1090 goto err;
1091 r[0].name = enet_regs;
1092
1093 mac_addr = of_get_mac_address(np);
1094 if (mac_addr)
1095 memcpy(fs_enet_data.macaddr, mac_addr, 6);
1096
1097 ph = of_get_property(np, "phy-handle", NULL);
1098 if (ph != NULL)
1099 phy = of_find_node_by_phandle(*ph);
1100
1101 if (phy != NULL) {
1102 phy_addr = of_get_property(phy, "reg", NULL);
1103 fs_enet_data.phy_addr = *phy_addr;
1104 fs_enet_data.has_phy = 1;
1105
1106 mdio = of_get_parent(phy);
1107 ret = of_address_to_resource(mdio, 0, &res);
1108 if (ret) {
1109 of_node_put(phy);
1110 of_node_put(mdio);
1111 goto unreg;
1112 }
1113 }
1114
1115 model = of_get_property(np, "model", NULL);
1116 strcpy(fs_enet_data.fs_type, model);
1117
1118 if (strstr(model, "FEC")) {
1119 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1120 r[1].flags = IORESOURCE_IRQ;
1121 r[1].name = enet_irq;
1122
1123 fs_enet_dev =
1124 platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1125
1126 if (IS_ERR(fs_enet_dev)) {
1127 ret = PTR_ERR(fs_enet_dev);
1128 goto err;
1129 }
1130
1131 fs_enet_data.rx_ring = 128;
1132 fs_enet_data.tx_ring = 16;
1133 fs_enet_data.rx_copybreak = 240;
1134 fs_enet_data.use_napi = 1;
1135 fs_enet_data.napi_weight = 17;
1136
1137 snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1138 (u32)res.start, fs_enet_data.phy_addr);
1139 fs_enet_data.bus_id = (char*)&bus_id[i];
1140 fs_enet_data.init_ioports = init_fec_ioports;
1141 }
1142 if (strstr(model, "SCC")) {
1143 ret = of_address_to_resource(np, 1, &r[1]);
1144 if (ret)
1145 goto err;
1146 r[1].name = enet_pram;
1147
1148 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1149 r[2].flags = IORESOURCE_IRQ;
1150 r[2].name = enet_irq;
1151
1152 fs_enet_dev =
1153 platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1154
1155 if (IS_ERR(fs_enet_dev)) {
1156 ret = PTR_ERR(fs_enet_dev);
1157 goto err;
1158 }
1159
1160 fs_enet_data.rx_ring = 64;
1161 fs_enet_data.tx_ring = 8;
1162 fs_enet_data.rx_copybreak = 240;
1163 fs_enet_data.use_napi = 1;
1164 fs_enet_data.napi_weight = 17;
1165
1166 snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1167 fs_enet_data.bus_id = (char*)&bus_id[i];
1168 fs_enet_data.init_ioports = init_scc_ioports;
1169 }
1170
1171 of_node_put(phy);
1172 of_node_put(mdio);
1173
1174 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1175 sizeof(struct
1176 fs_platform_info));
1177 if (ret)
1178 goto unreg;
1179 }
1180 return 0;
1181
1182 unreg:
1183 platform_device_unregister(fs_enet_dev);
1184 err:
1185 return ret;
1186 }
1187
1188 arch_initcall(fs_enet_of_init);
1189
1190 static int __init fsl_pcmcia_of_init(void)
1191 {
1192 struct device_node *np;
1193 /*
1194 * Register all the devices which type is "pcmcia"
1195 */
1196 for_each_compatible_node(np, "pcmcia", "fsl,pq-pcmcia")
1197 of_platform_device_create(np, "m8xx-pcmcia", NULL);
1198 return 0;
1199 }
1200
1201 arch_initcall(fsl_pcmcia_of_init);
1202
1203 static const char *smc_regs = "regs";
1204 static const char *smc_pram = "pram";
1205
1206 static int __init cpm_smc_uart_of_init(void)
1207 {
1208 struct device_node *np;
1209 unsigned int i;
1210 struct platform_device *cpm_uart_dev;
1211 int ret;
1212
1213 for (np = NULL, i = 0;
1214 (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1215 i++) {
1216 struct resource r[3];
1217 struct fs_uart_platform_info cpm_uart_data;
1218 const int *id;
1219 const char *model;
1220
1221 memset(r, 0, sizeof(r));
1222 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1223
1224 ret = of_address_to_resource(np, 0, &r[0]);
1225 if (ret)
1226 goto err;
1227
1228 r[0].name = smc_regs;
1229
1230 ret = of_address_to_resource(np, 1, &r[1]);
1231 if (ret)
1232 goto err;
1233 r[1].name = smc_pram;
1234
1235 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1236 r[2].flags = IORESOURCE_IRQ;
1237
1238 cpm_uart_dev =
1239 platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1240
1241 if (IS_ERR(cpm_uart_dev)) {
1242 ret = PTR_ERR(cpm_uart_dev);
1243 goto err;
1244 }
1245
1246 model = of_get_property(np, "model", NULL);
1247 strcpy(cpm_uart_data.fs_type, model);
1248
1249 id = of_get_property(np, "device-id", NULL);
1250 cpm_uart_data.fs_no = *id;
1251 cpm_uart_data.uart_clk = ppc_proc_freq;
1252
1253 cpm_uart_data.tx_num_fifo = 4;
1254 cpm_uart_data.tx_buf_size = 32;
1255 cpm_uart_data.rx_num_fifo = 4;
1256 cpm_uart_data.rx_buf_size = 32;
1257
1258 ret =
1259 platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1260 sizeof(struct
1261 fs_uart_platform_info));
1262 if (ret)
1263 goto unreg;
1264 }
1265
1266 return 0;
1267
1268 unreg:
1269 platform_device_unregister(cpm_uart_dev);
1270 err:
1271 return ret;
1272 }
1273
1274 arch_initcall(cpm_smc_uart_of_init);
1275
1276 #endif /* CONFIG_8xx */
1277 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1278
1279 static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
1280 struct spi_board_info *board_infos,
1281 unsigned int num_board_infos,
1282 void (*activate_cs)(u8 cs, u8 polarity),
1283 void (*deactivate_cs)(u8 cs, u8 polarity))
1284 {
1285 struct device_node *np;
1286 unsigned int i = 0;
1287
1288 for_each_compatible_node(np, type, compatible) {
1289 int ret;
1290 unsigned int j;
1291 const void *prop;
1292 struct resource res[2];
1293 struct platform_device *pdev;
1294 struct fsl_spi_platform_data pdata = {
1295 .activate_cs = activate_cs,
1296 .deactivate_cs = deactivate_cs,
1297 };
1298
1299 memset(res, 0, sizeof(res));
1300
1301 pdata.sysclk = sysclk;
1302
1303 prop = of_get_property(np, "reg", NULL);
1304 if (!prop)
1305 goto err;
1306 pdata.bus_num = *(u32 *)prop;
1307
1308 prop = of_get_property(np, "cell-index", NULL);
1309 if (prop)
1310 i = *(u32 *)prop;
1311
1312 prop = of_get_property(np, "mode", NULL);
1313 if (prop && !strcmp(prop, "cpu-qe"))
1314 pdata.qe_mode = 1;
1315
1316 for (j = 0; j < num_board_infos; j++) {
1317 if (board_infos[j].bus_num == pdata.bus_num)
1318 pdata.max_chipselect++;
1319 }
1320
1321 if (!pdata.max_chipselect)
1322 continue;
1323
1324 ret = of_address_to_resource(np, 0, &res[0]);
1325 if (ret)
1326 goto err;
1327
1328 ret = of_irq_to_resource(np, 0, &res[1]);
1329 if (ret == NO_IRQ)
1330 goto err;
1331
1332 pdev = platform_device_alloc("mpc83xx_spi", i);
1333 if (!pdev)
1334 goto err;
1335
1336 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1337 if (ret)
1338 goto unreg;
1339
1340 ret = platform_device_add_resources(pdev, res,
1341 ARRAY_SIZE(res));
1342 if (ret)
1343 goto unreg;
1344
1345 ret = platform_device_add(pdev);
1346 if (ret)
1347 goto unreg;
1348
1349 goto next;
1350 unreg:
1351 platform_device_del(pdev);
1352 err:
1353 pr_err("%s: registration failed\n", np->full_name);
1354 next:
1355 i++;
1356 }
1357
1358 return i;
1359 }
1360
1361 int __init fsl_spi_init(struct spi_board_info *board_infos,
1362 unsigned int num_board_infos,
1363 void (*activate_cs)(u8 cs, u8 polarity),
1364 void (*deactivate_cs)(u8 cs, u8 polarity))
1365 {
1366 u32 sysclk = -1;
1367 int ret;
1368
1369 #ifdef CONFIG_QUICC_ENGINE
1370 /* SPI controller is either clocked from QE or SoC clock */
1371 sysclk = get_brgfreq();
1372 #endif
1373 if (sysclk == -1) {
1374 struct device_node *np;
1375 const u32 *freq;
1376 int size;
1377
1378 np = of_find_node_by_type(NULL, "soc");
1379 if (!np)
1380 return -ENODEV;
1381
1382 freq = of_get_property(np, "clock-frequency", &size);
1383 if (!freq || size != sizeof(*freq) || *freq == 0) {
1384 freq = of_get_property(np, "bus-frequency", &size);
1385 if (!freq || size != sizeof(*freq) || *freq == 0) {
1386 of_node_put(np);
1387 return -ENODEV;
1388 }
1389 }
1390
1391 sysclk = *freq;
1392 of_node_put(np);
1393 }
1394
1395 ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,
1396 num_board_infos, activate_cs, deactivate_cs);
1397 if (!ret)
1398 of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos,
1399 num_board_infos, activate_cs, deactivate_cs);
1400
1401 return spi_register_board_info(board_infos, num_board_infos);
1402 }
1403
1404 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1405 static __be32 __iomem *rstcr;
1406
1407 static int __init setup_rstcr(void)
1408 {
1409 struct device_node *np;
1410 np = of_find_node_by_name(NULL, "global-utilities");
1411 if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1412 const u32 *prop = of_get_property(np, "reg", NULL);
1413 if (prop) {
1414 /* map reset control register
1415 * 0xE00B0 is offset of reset control register
1416 */
1417 rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1418 if (!rstcr)
1419 printk (KERN_EMERG "Error: reset control "
1420 "register not mapped!\n");
1421 }
1422 } else
1423 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1424 if (np)
1425 of_node_put(np);
1426 return 0;
1427 }
1428
1429 arch_initcall(setup_rstcr);
1430
1431 void fsl_rstcr_restart(char *cmd)
1432 {
1433 local_irq_disable();
1434 if (rstcr)
1435 /* set reset control register */
1436 out_be32(rstcr, 0x2); /* HRESET_REQ */
1437
1438 while (1) ;
1439 }
1440 #endif
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