GNU Linux-libre 6.8.9-gnu
[releases.git] / arch / arm / mach-pxa / devices.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/module.h>
3 #include <linux/kernel.h>
4 #include <linux/init.h>
5 #include <linux/platform_device.h>
6 #include <linux/clkdev.h>
7 #include <linux/clk-provider.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/dmaengine.h>
10 #include <linux/spi/pxa2xx_spi.h>
11 #include <linux/platform_data/i2c-pxa.h>
12 #include <linux/soc/pxa/cpu.h>
13
14 #include "udc.h"
15 #include <linux/platform_data/video-pxafb.h>
16 #include <linux/platform_data/mmc-pxamci.h>
17 #include "irqs.h"
18 #include <linux/platform_data/usb-ohci-pxa27x.h>
19 #include <linux/platform_data/mmp_dma.h>
20
21 #include "regs-ost.h"
22 #include "reset.h"
23 #include "devices.h"
24 #include "generic.h"
25
26 void __init pxa_register_device(struct platform_device *dev, void *data)
27 {
28         int ret;
29
30         dev->dev.platform_data = data;
31
32         ret = platform_device_register(dev);
33         if (ret)
34                 dev_err(&dev->dev, "unable to register device: %d\n", ret);
35 }
36
37 static struct resource pxa_resource_pmu = {
38         .start  = IRQ_PMU,
39         .end    = IRQ_PMU,
40         .flags  = IORESOURCE_IRQ,
41 };
42
43 struct platform_device pxa_device_pmu = {
44         .name           = "xscale-pmu",
45         .id             = -1,
46         .resource       = &pxa_resource_pmu,
47         .num_resources  = 1,
48 };
49
50 static struct resource pxamci_resources[] = {
51         [0] = {
52                 .start  = 0x41100000,
53                 .end    = 0x41100fff,
54                 .flags  = IORESOURCE_MEM,
55         },
56         [1] = {
57                 .start  = IRQ_MMC,
58                 .end    = IRQ_MMC,
59                 .flags  = IORESOURCE_IRQ,
60         },
61 };
62
63 static u64 pxamci_dmamask = 0xffffffffUL;
64
65 struct platform_device pxa_device_mci = {
66         .name           = "pxa2xx-mci",
67         .id             = 0,
68         .dev            = {
69                 .dma_mask = &pxamci_dmamask,
70                 .coherent_dma_mask = 0xffffffff,
71         },
72         .num_resources  = ARRAY_SIZE(pxamci_resources),
73         .resource       = pxamci_resources,
74 };
75
76 void __init pxa_set_mci_info(struct pxamci_platform_data *info)
77 {
78         pxa_register_device(&pxa_device_mci, info);
79 }
80
81 static struct pxa2xx_udc_mach_info pxa_udc_info = {
82         .gpio_pullup = -1,
83 };
84
85 static struct resource pxa2xx_udc_resources[] = {
86         [0] = {
87                 .start  = 0x40600000,
88                 .end    = 0x4060ffff,
89                 .flags  = IORESOURCE_MEM,
90         },
91         [1] = {
92                 .start  = IRQ_USB,
93                 .end    = IRQ_USB,
94                 .flags  = IORESOURCE_IRQ,
95         },
96 };
97
98 static u64 udc_dma_mask = ~(u32)0;
99
100 struct platform_device pxa25x_device_udc = {
101         .name           = "pxa25x-udc",
102         .id             = -1,
103         .resource       = pxa2xx_udc_resources,
104         .num_resources  = ARRAY_SIZE(pxa2xx_udc_resources),
105         .dev            =  {
106                 .platform_data  = &pxa_udc_info,
107                 .dma_mask       = &udc_dma_mask,
108         }
109 };
110
111 struct platform_device pxa27x_device_udc = {
112         .name           = "pxa27x-udc",
113         .id             = -1,
114         .resource       = pxa2xx_udc_resources,
115         .num_resources  = ARRAY_SIZE(pxa2xx_udc_resources),
116         .dev            =  {
117                 .platform_data  = &pxa_udc_info,
118                 .dma_mask       = &udc_dma_mask,
119         }
120 };
121
122 static struct resource pxafb_resources[] = {
123         [0] = {
124                 .start  = 0x44000000,
125                 .end    = 0x4400ffff,
126                 .flags  = IORESOURCE_MEM,
127         },
128         [1] = {
129                 .start  = IRQ_LCD,
130                 .end    = IRQ_LCD,
131                 .flags  = IORESOURCE_IRQ,
132         },
133 };
134
135 static u64 fb_dma_mask = ~(u64)0;
136
137 struct platform_device pxa_device_fb = {
138         .name           = "pxa2xx-fb",
139         .id             = -1,
140         .dev            = {
141                 .dma_mask       = &fb_dma_mask,
142                 .coherent_dma_mask = 0xffffffff,
143         },
144         .num_resources  = ARRAY_SIZE(pxafb_resources),
145         .resource       = pxafb_resources,
146 };
147
148 void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info)
149 {
150         pxa_device_fb.dev.parent = parent;
151         pxa_register_device(&pxa_device_fb, info);
152 }
153
154 static struct resource pxa_resource_ffuart[] = {
155         {
156                 .start  = 0x40100000,
157                 .end    = 0x40100023,
158                 .flags  = IORESOURCE_MEM,
159         }, {
160                 .start  = IRQ_FFUART,
161                 .end    = IRQ_FFUART,
162                 .flags  = IORESOURCE_IRQ,
163         }
164 };
165
166 struct platform_device pxa_device_ffuart = {
167         .name           = "pxa2xx-uart",
168         .id             = 0,
169         .resource       = pxa_resource_ffuart,
170         .num_resources  = ARRAY_SIZE(pxa_resource_ffuart),
171 };
172
173 void __init pxa_set_ffuart_info(void *info)
174 {
175         pxa_register_device(&pxa_device_ffuart, info);
176 }
177
178 static struct resource pxa_resource_btuart[] = {
179         {
180                 .start  = 0x40200000,
181                 .end    = 0x40200023,
182                 .flags  = IORESOURCE_MEM,
183         }, {
184                 .start  = IRQ_BTUART,
185                 .end    = IRQ_BTUART,
186                 .flags  = IORESOURCE_IRQ,
187         }
188 };
189
190 struct platform_device pxa_device_btuart = {
191         .name           = "pxa2xx-uart",
192         .id             = 1,
193         .resource       = pxa_resource_btuart,
194         .num_resources  = ARRAY_SIZE(pxa_resource_btuart),
195 };
196
197 void __init pxa_set_btuart_info(void *info)
198 {
199         pxa_register_device(&pxa_device_btuart, info);
200 }
201
202 static struct resource pxa_resource_stuart[] = {
203         {
204                 .start  = 0x40700000,
205                 .end    = 0x40700023,
206                 .flags  = IORESOURCE_MEM,
207         }, {
208                 .start  = IRQ_STUART,
209                 .end    = IRQ_STUART,
210                 .flags  = IORESOURCE_IRQ,
211         }
212 };
213
214 struct platform_device pxa_device_stuart = {
215         .name           = "pxa2xx-uart",
216         .id             = 2,
217         .resource       = pxa_resource_stuart,
218         .num_resources  = ARRAY_SIZE(pxa_resource_stuart),
219 };
220
221 void __init pxa_set_stuart_info(void *info)
222 {
223         pxa_register_device(&pxa_device_stuart, info);
224 }
225
226 static struct resource pxa_resource_hwuart[] = {
227         {
228                 .start  = 0x41600000,
229                 .end    = 0x4160002F,
230                 .flags  = IORESOURCE_MEM,
231         }, {
232                 .start  = IRQ_HWUART,
233                 .end    = IRQ_HWUART,
234                 .flags  = IORESOURCE_IRQ,
235         }
236 };
237
238 struct platform_device pxa_device_hwuart = {
239         .name           = "pxa2xx-uart",
240         .id             = 3,
241         .resource       = pxa_resource_hwuart,
242         .num_resources  = ARRAY_SIZE(pxa_resource_hwuart),
243 };
244
245 void __init pxa_set_hwuart_info(void *info)
246 {
247         if (cpu_is_pxa255())
248                 pxa_register_device(&pxa_device_hwuart, info);
249         else
250                 pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware");
251 }
252
253 static struct resource pxai2c_resources[] = {
254         {
255                 .start  = 0x40301680,
256                 .end    = 0x403016a3,
257                 .flags  = IORESOURCE_MEM,
258         }, {
259                 .start  = IRQ_I2C,
260                 .end    = IRQ_I2C,
261                 .flags  = IORESOURCE_IRQ,
262         },
263 };
264
265 struct platform_device pxa_device_i2c = {
266         .name           = "pxa2xx-i2c",
267         .id             = 0,
268         .resource       = pxai2c_resources,
269         .num_resources  = ARRAY_SIZE(pxai2c_resources),
270 };
271
272 void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
273 {
274         pxa_register_device(&pxa_device_i2c, info);
275 }
276
277 #ifdef CONFIG_PXA27x
278 static struct resource pxa27x_resources_i2c_power[] = {
279         {
280                 .start  = 0x40f00180,
281                 .end    = 0x40f001a3,
282                 .flags  = IORESOURCE_MEM,
283         }, {
284                 .start  = IRQ_PWRI2C,
285                 .end    = IRQ_PWRI2C,
286                 .flags  = IORESOURCE_IRQ,
287         },
288 };
289
290 struct platform_device pxa27x_device_i2c_power = {
291         .name           = "pxa2xx-i2c",
292         .id             = 1,
293         .resource       = pxa27x_resources_i2c_power,
294         .num_resources  = ARRAY_SIZE(pxa27x_resources_i2c_power),
295 };
296 #endif
297
298 static struct resource pxai2s_resources[] = {
299         {
300                 .start  = 0x40400000,
301                 .end    = 0x40400083,
302                 .flags  = IORESOURCE_MEM,
303         }, {
304                 .start  = IRQ_I2S,
305                 .end    = IRQ_I2S,
306                 .flags  = IORESOURCE_IRQ,
307         },
308 };
309
310 struct platform_device pxa_device_i2s = {
311         .name           = "pxa2xx-i2s",
312         .id             = -1,
313         .resource       = pxai2s_resources,
314         .num_resources  = ARRAY_SIZE(pxai2s_resources),
315 };
316
317 struct platform_device pxa_device_asoc_ssp1 = {
318         .name           = "pxa-ssp-dai",
319         .id             = 0,
320 };
321
322 struct platform_device pxa_device_asoc_ssp2= {
323         .name           = "pxa-ssp-dai",
324         .id             = 1,
325 };
326
327 struct platform_device pxa_device_asoc_ssp3 = {
328         .name           = "pxa-ssp-dai",
329         .id             = 2,
330 };
331
332 struct platform_device pxa_device_asoc_ssp4 = {
333         .name           = "pxa-ssp-dai",
334         .id             = 3,
335 };
336
337 struct platform_device pxa_device_asoc_platform = {
338         .name           = "pxa-pcm-audio",
339         .id             = -1,
340 };
341
342 static struct resource pxa_rtc_resources[] = {
343         [0] = {
344                 .start  = 0x40900000,
345                 .end    = 0x40900000 + 0x3b,
346                 .flags  = IORESOURCE_MEM,
347         },
348         [1] = {
349                 .start  = IRQ_RTC1Hz,
350                 .end    = IRQ_RTC1Hz,
351                 .name   = "rtc 1Hz",
352                 .flags  = IORESOURCE_IRQ,
353         },
354         [2] = {
355                 .start  = IRQ_RTCAlrm,
356                 .end    = IRQ_RTCAlrm,
357                 .name   = "rtc alarm",
358                 .flags  = IORESOURCE_IRQ,
359         },
360 };
361
362 struct platform_device pxa_device_rtc = {
363         .name           = "pxa-rtc",
364         .id             = -1,
365         .num_resources  = ARRAY_SIZE(pxa_rtc_resources),
366         .resource       = pxa_rtc_resources,
367 };
368
369 struct platform_device sa1100_device_rtc = {
370         .name           = "sa1100-rtc",
371         .id             = -1,
372         .num_resources  = ARRAY_SIZE(pxa_rtc_resources),
373         .resource       = pxa_rtc_resources,
374 };
375
376 #ifdef CONFIG_PXA25x
377
378 static struct resource pxa25x_resource_pwm0[] = {
379         [0] = {
380                 .start  = 0x40b00000,
381                 .end    = 0x40b0000f,
382                 .flags  = IORESOURCE_MEM,
383         },
384 };
385
386 struct platform_device pxa25x_device_pwm0 = {
387         .name           = "pxa25x-pwm",
388         .id             = 0,
389         .resource       = pxa25x_resource_pwm0,
390         .num_resources  = ARRAY_SIZE(pxa25x_resource_pwm0),
391 };
392
393 static struct resource pxa25x_resource_pwm1[] = {
394         [0] = {
395                 .start  = 0x40c00000,
396                 .end    = 0x40c0000f,
397                 .flags  = IORESOURCE_MEM,
398         },
399 };
400
401 struct platform_device pxa25x_device_pwm1 = {
402         .name           = "pxa25x-pwm",
403         .id             = 1,
404         .resource       = pxa25x_resource_pwm1,
405         .num_resources  = ARRAY_SIZE(pxa25x_resource_pwm1),
406 };
407
408 static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);
409
410 static struct resource pxa25x_resource_ssp[] = {
411         [0] = {
412                 .start  = 0x41000000,
413                 .end    = 0x4100001f,
414                 .flags  = IORESOURCE_MEM,
415         },
416         [1] = {
417                 .start  = IRQ_SSP,
418                 .end    = IRQ_SSP,
419                 .flags  = IORESOURCE_IRQ,
420         },
421 };
422
423 struct platform_device pxa25x_device_ssp = {
424         .name           = "pxa25x-ssp",
425         .id             = 0,
426         .dev            = {
427                 .dma_mask = &pxa25x_ssp_dma_mask,
428                 .coherent_dma_mask = DMA_BIT_MASK(32),
429         },
430         .resource       = pxa25x_resource_ssp,
431         .num_resources  = ARRAY_SIZE(pxa25x_resource_ssp),
432 };
433
434 static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);
435
436 static struct resource pxa25x_resource_nssp[] = {
437         [0] = {
438                 .start  = 0x41400000,
439                 .end    = 0x4140002f,
440                 .flags  = IORESOURCE_MEM,
441         },
442         [1] = {
443                 .start  = IRQ_NSSP,
444                 .end    = IRQ_NSSP,
445                 .flags  = IORESOURCE_IRQ,
446         },
447 };
448
449 struct platform_device pxa25x_device_nssp = {
450         .name           = "pxa25x-nssp",
451         .id             = 1,
452         .dev            = {
453                 .dma_mask = &pxa25x_nssp_dma_mask,
454                 .coherent_dma_mask = DMA_BIT_MASK(32),
455         },
456         .resource       = pxa25x_resource_nssp,
457         .num_resources  = ARRAY_SIZE(pxa25x_resource_nssp),
458 };
459
460 static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32);
461
462 static struct resource pxa25x_resource_assp[] = {
463         [0] = {
464                 .start  = 0x41500000,
465                 .end    = 0x4150002f,
466                 .flags  = IORESOURCE_MEM,
467         },
468         [1] = {
469                 .start  = IRQ_ASSP,
470                 .end    = IRQ_ASSP,
471                 .flags  = IORESOURCE_IRQ,
472         },
473 };
474
475 struct platform_device pxa25x_device_assp = {
476         /* ASSP is basically equivalent to NSSP */
477         .name           = "pxa25x-nssp",
478         .id             = 2,
479         .dev            = {
480                 .dma_mask = &pxa25x_assp_dma_mask,
481                 .coherent_dma_mask = DMA_BIT_MASK(32),
482         },
483         .resource       = pxa25x_resource_assp,
484         .num_resources  = ARRAY_SIZE(pxa25x_resource_assp),
485 };
486 #endif /* CONFIG_PXA25x */
487
488 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
489 static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);
490
491 static struct resource pxa27x_resource_ohci[] = {
492         [0] = {
493                 .start  = 0x4C000000,
494                 .end    = 0x4C00ff6f,
495                 .flags  = IORESOURCE_MEM,
496         },
497         [1] = {
498                 .start  = IRQ_USBH1,
499                 .end    = IRQ_USBH1,
500                 .flags  = IORESOURCE_IRQ,
501         },
502 };
503
504 struct platform_device pxa27x_device_ohci = {
505         .name           = "pxa27x-ohci",
506         .id             = -1,
507         .dev            = {
508                 .dma_mask = &pxa27x_ohci_dma_mask,
509                 .coherent_dma_mask = DMA_BIT_MASK(32),
510         },
511         .num_resources  = ARRAY_SIZE(pxa27x_resource_ohci),
512         .resource       = pxa27x_resource_ohci,
513 };
514
515 void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
516 {
517         pxa_register_device(&pxa27x_device_ohci, info);
518 }
519 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
520
521 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
522 static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);
523
524 static struct resource pxa27x_resource_ssp1[] = {
525         [0] = {
526                 .start  = 0x41000000,
527                 .end    = 0x4100003f,
528                 .flags  = IORESOURCE_MEM,
529         },
530         [1] = {
531                 .start  = IRQ_SSP,
532                 .end    = IRQ_SSP,
533                 .flags  = IORESOURCE_IRQ,
534         },
535 };
536
537 struct platform_device pxa27x_device_ssp1 = {
538         .name           = "pxa27x-ssp",
539         .id             = 0,
540         .dev            = {
541                 .dma_mask = &pxa27x_ssp1_dma_mask,
542                 .coherent_dma_mask = DMA_BIT_MASK(32),
543         },
544         .resource       = pxa27x_resource_ssp1,
545         .num_resources  = ARRAY_SIZE(pxa27x_resource_ssp1),
546 };
547
548 static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32);
549
550 static struct resource pxa27x_resource_ssp2[] = {
551         [0] = {
552                 .start  = 0x41700000,
553                 .end    = 0x4170003f,
554                 .flags  = IORESOURCE_MEM,
555         },
556         [1] = {
557                 .start  = IRQ_SSP2,
558                 .end    = IRQ_SSP2,
559                 .flags  = IORESOURCE_IRQ,
560         },
561 };
562
563 struct platform_device pxa27x_device_ssp2 = {
564         .name           = "pxa27x-ssp",
565         .id             = 1,
566         .dev            = {
567                 .dma_mask = &pxa27x_ssp2_dma_mask,
568                 .coherent_dma_mask = DMA_BIT_MASK(32),
569         },
570         .resource       = pxa27x_resource_ssp2,
571         .num_resources  = ARRAY_SIZE(pxa27x_resource_ssp2),
572 };
573
574 static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32);
575
576 static struct resource pxa27x_resource_ssp3[] = {
577         [0] = {
578                 .start  = 0x41900000,
579                 .end    = 0x4190003f,
580                 .flags  = IORESOURCE_MEM,
581         },
582         [1] = {
583                 .start  = IRQ_SSP3,
584                 .end    = IRQ_SSP3,
585                 .flags  = IORESOURCE_IRQ,
586         },
587 };
588
589 struct platform_device pxa27x_device_ssp3 = {
590         .name           = "pxa27x-ssp",
591         .id             = 2,
592         .dev            = {
593                 .dma_mask = &pxa27x_ssp3_dma_mask,
594                 .coherent_dma_mask = DMA_BIT_MASK(32),
595         },
596         .resource       = pxa27x_resource_ssp3,
597         .num_resources  = ARRAY_SIZE(pxa27x_resource_ssp3),
598 };
599
600 static struct resource pxa27x_resource_pwm0[] = {
601         [0] = {
602                 .start  = 0x40b00000,
603                 .end    = 0x40b0001f,
604                 .flags  = IORESOURCE_MEM,
605         },
606 };
607
608 struct platform_device pxa27x_device_pwm0 = {
609         .name           = "pxa27x-pwm",
610         .id             = 0,
611         .resource       = pxa27x_resource_pwm0,
612         .num_resources  = ARRAY_SIZE(pxa27x_resource_pwm0),
613 };
614
615 static struct resource pxa27x_resource_pwm1[] = {
616         [0] = {
617                 .start  = 0x40c00000,
618                 .end    = 0x40c0001f,
619                 .flags  = IORESOURCE_MEM,
620         },
621 };
622
623 struct platform_device pxa27x_device_pwm1 = {
624         .name           = "pxa27x-pwm",
625         .id             = 1,
626         .resource       = pxa27x_resource_pwm1,
627         .num_resources  = ARRAY_SIZE(pxa27x_resource_pwm1),
628 };
629 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
630
631 struct resource pxa_resource_gpio[] = {
632         {
633                 .start  = 0x40e00000,
634                 .end    = 0x40e0ffff,
635                 .flags  = IORESOURCE_MEM,
636         }, {
637                 .start  = IRQ_GPIO0,
638                 .end    = IRQ_GPIO0,
639                 .name   = "gpio0",
640                 .flags  = IORESOURCE_IRQ,
641         }, {
642                 .start  = IRQ_GPIO1,
643                 .end    = IRQ_GPIO1,
644                 .name   = "gpio1",
645                 .flags  = IORESOURCE_IRQ,
646         }, {
647                 .start  = IRQ_GPIO_2_x,
648                 .end    = IRQ_GPIO_2_x,
649                 .name   = "gpio_mux",
650                 .flags  = IORESOURCE_IRQ,
651         },
652 };
653
654 struct platform_device pxa25x_device_gpio = {
655         .name           = "pxa25x-gpio",
656         .id             = -1,
657         .num_resources  = ARRAY_SIZE(pxa_resource_gpio),
658         .resource       = pxa_resource_gpio,
659 };
660
661 struct platform_device pxa27x_device_gpio = {
662         .name           = "pxa27x-gpio",
663         .id             = -1,
664         .num_resources  = ARRAY_SIZE(pxa_resource_gpio),
665         .resource       = pxa_resource_gpio,
666 };
667
668 /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1.
669  * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */
670 void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info)
671 {
672         struct platform_device *pd;
673
674         pd = platform_device_alloc("pxa2xx-spi", id);
675         if (pd == NULL) {
676                 printk(KERN_ERR "pxa2xx-spi: failed to allocate device id %d\n",
677                        id);
678                 return;
679         }
680
681         pd->dev.platform_data = info;
682         platform_device_add(pd);
683 }
684
685 static struct resource pxa_dma_resource[] = {
686         [0] = {
687                 .start  = 0x40000000,
688                 .end    = 0x4000ffff,
689                 .flags  = IORESOURCE_MEM,
690         },
691         [1] = {
692                 .start  = IRQ_DMA,
693                 .end    = IRQ_DMA,
694                 .flags  = IORESOURCE_IRQ,
695         },
696 };
697
698 static u64 pxadma_dmamask = 0xffffffffUL;
699
700 static struct platform_device pxa2xx_pxa_dma = {
701         .name           = "pxa-dma",
702         .id             = 0,
703         .dev            = {
704                 .dma_mask = &pxadma_dmamask,
705                 .coherent_dma_mask = 0xffffffff,
706         },
707         .num_resources  = ARRAY_SIZE(pxa_dma_resource),
708         .resource       = pxa_dma_resource,
709 };
710
711 void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata)
712 {
713         pxa_register_device(&pxa2xx_pxa_dma, dma_pdata);
714 }
715
716 void __init pxa_register_wdt(unsigned int reset_status)
717 {
718         struct resource res = DEFINE_RES_MEM(OST_PHYS, OST_LEN);
719
720         reset_status &= RESET_STATUS_WATCHDOG;
721         platform_device_register_resndata(NULL, "sa1100_wdt", -1, &res, 1,
722                                           &reset_status, sizeof(reset_status));
723 }