Blackfin arch: Fix bug - Run "reboot" hangs bf518-ezbrd
[linux-2.6.git] / arch / blackfin / mach-bf537 / boards / cm_bf537.c
1 /*
2  * File:         arch/blackfin/mach-bf537/boards/cm_bf537.c
3  * Based on:     arch/blackfin/mach-bf533/boards/ezkit.c
4  * Author:       Aidan Williams <aidan@nicta.com.au>
5  *
6  * Created:      2005
7  * Description:  Board description file
8  *
9  * Modified:
10  *               Copyright 2005 National ICT Australia (NICTA)
11  *               Copyright 2004-2006 Analog Devices Inc.
12  *
13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
14  *
15  * This program is free software; you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License as published by
17  * the Free Software Foundation; either version 2 of the License, or
18  * (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, see the file COPYING, or write
27  * to the Free Software Foundation, Inc.,
28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
29  */
30
31 #include <linux/device.h>
32 #include <linux/etherdevice.h>
33 #include <linux/platform_device.h>
34 #include <linux/mtd/mtd.h>
35 #include <linux/mtd/partitions.h>
36 #include <linux/mtd/physmap.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/flash.h>
39 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
40 #include <linux/usb/isp1362.h>
41 #endif
42 #include <linux/ata_platform.h>
43 #include <linux/irq.h>
44 #include <asm/dma.h>
45 #include <asm/bfin5xx_spi.h>
46 #include <asm/portmux.h>
47 #include <asm/dpmc.h>
48
49 /*
50  * Name the Board for the /proc/cpuinfo
51  */
52 const char bfin_board_name[] = "Bluetechnix CM BF537";
53
54 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
55 /* all SPI peripherals info goes here */
56
57 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
58 static struct mtd_partition bfin_spi_flash_partitions[] = {
59         {
60                 .name = "bootloader(spi)",
61                 .size = 0x00020000,
62                 .offset = 0,
63                 .mask_flags = MTD_CAP_ROM
64         }, {
65                 .name = "linux kernel(spi)",
66                 .size = 0xe0000,
67                 .offset = 0x20000
68         }, {
69                 .name = "file system(spi)",
70                 .size = 0x700000,
71                 .offset = 0x00100000,
72         }
73 };
74
75 static struct flash_platform_data bfin_spi_flash_data = {
76         .name = "m25p80",
77         .parts = bfin_spi_flash_partitions,
78         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
79         .type = "m25p64",
80 };
81
82 /* SPI flash chip (m25p64) */
83 static struct bfin5xx_spi_chip spi_flash_chip_info = {
84         .enable_dma = 0,         /* use dma transfer with this chip*/
85         .bits_per_word = 8,
86 };
87 #endif
88
89 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
90 /* SPI ADC chip */
91 static struct bfin5xx_spi_chip spi_adc_chip_info = {
92         .enable_dma = 1,         /* use dma transfer with this chip*/
93         .bits_per_word = 16,
94 };
95 #endif
96
97 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
98 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
99         .enable_dma = 0,
100         .bits_per_word = 16,
101 };
102 #endif
103
104 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
105 static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
106         .enable_dma = 0,
107         .bits_per_word = 16,
108 };
109 #endif
110
111 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
112 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
113         .enable_dma = 1,
114         .bits_per_word = 8,
115 };
116 #endif
117
118 static struct spi_board_info bfin_spi_board_info[] __initdata = {
119 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
120         {
121                 /* the modalias must be the same as spi device driver name */
122                 .modalias = "m25p80", /* Name of spi_driver for this device */
123                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
124                 .bus_num = 0, /* Framework bus number */
125                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
126                 .platform_data = &bfin_spi_flash_data,
127                 .controller_data = &spi_flash_chip_info,
128                 .mode = SPI_MODE_3,
129         },
130 #endif
131
132 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
133         {
134                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
135                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
136                 .bus_num = 0, /* Framework bus number */
137                 .chip_select = 1, /* Framework chip select. */
138                 .platform_data = NULL, /* No spi_driver specific config */
139                 .controller_data = &spi_adc_chip_info,
140         },
141 #endif
142
143 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
144         {
145                 .modalias = "ad1836-spi",
146                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
147                 .bus_num = 0,
148                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
149                 .controller_data = &ad1836_spi_chip_info,
150         },
151 #endif
152
153 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
154         {
155                 .modalias = "ad9960-spi",
156                 .max_speed_hz = 10000000,     /* max spi clock (SCK) speed in HZ */
157                 .bus_num = 0,
158                 .chip_select = 1,
159                 .controller_data = &ad9960_spi_chip_info,
160         },
161 #endif
162
163 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
164         {
165                 .modalias = "spi_mmc_dummy",
166                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
167                 .bus_num = 0,
168                 .chip_select = 7,
169                 .platform_data = NULL,
170                 .controller_data = &spi_mmc_chip_info,
171                 .mode = SPI_MODE_3,
172         },
173         {
174                 .modalias = "spi_mmc",
175                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
176                 .bus_num = 0,
177                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
178                 .platform_data = NULL,
179                 .controller_data = &spi_mmc_chip_info,
180                 .mode = SPI_MODE_3,
181         },
182 #endif
183 };
184
185 /* SPI (0) */
186 static struct resource bfin_spi0_resource[] = {
187         [0] = {
188                 .start = SPI0_REGBASE,
189                 .end   = SPI0_REGBASE + 0xFF,
190                 .flags = IORESOURCE_MEM,
191                 },
192         [1] = {
193                 .start = CH_SPI,
194                 .end   = CH_SPI,
195                 .flags = IORESOURCE_IRQ,
196         }
197 };
198
199 /* SPI controller data */
200 static struct bfin5xx_spi_master bfin_spi0_info = {
201         .num_chipselect = 8,
202         .enable_dma = 1,  /* master has the ability to do dma transfer */
203         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
204 };
205
206 static struct platform_device bfin_spi0_device = {
207         .name = "bfin-spi",
208         .id = 0, /* Bus number */
209         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
210         .resource = bfin_spi0_resource,
211         .dev = {
212                 .platform_data = &bfin_spi0_info, /* Passed to driver */
213         },
214 };
215 #endif  /* spi master and devices */
216
217 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
218 static struct platform_device rtc_device = {
219         .name = "rtc-bfin",
220         .id   = -1,
221 };
222 #endif
223
224 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
225 static struct platform_device hitachi_fb_device = {
226         .name = "hitachi-tx09",
227 };
228 #endif
229
230 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
231 static struct resource smc91x_resources[] = {
232         {
233                 .start = 0x20200300,
234                 .end = 0x20200300 + 16,
235                 .flags = IORESOURCE_MEM,
236         }, {
237                 .start = IRQ_PF14,
238                 .end = IRQ_PF14,
239                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
240                 },
241 };
242
243 static struct platform_device smc91x_device = {
244         .name = "smc91x",
245         .id = 0,
246         .num_resources = ARRAY_SIZE(smc91x_resources),
247         .resource = smc91x_resources,
248 };
249 #endif
250
251 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
252 static struct resource isp1362_hcd_resources[] = {
253         {
254                 .start = 0x20308000,
255                 .end = 0x20308000,
256                 .flags = IORESOURCE_MEM,
257         }, {
258                 .start = 0x20308004,
259                 .end = 0x20308004,
260                 .flags = IORESOURCE_MEM,
261         }, {
262                 .start = IRQ_PG15,
263                 .end = IRQ_PG15,
264                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
265         },
266 };
267
268 static struct isp1362_platform_data isp1362_priv = {
269         .sel15Kres = 1,
270         .clknotstop = 0,
271         .oc_enable = 0,
272         .int_act_high = 0,
273         .int_edge_triggered = 0,
274         .remote_wakeup_connected = 0,
275         .no_power_switching = 1,
276         .power_switching_mode = 0,
277 };
278
279 static struct platform_device isp1362_hcd_device = {
280         .name = "isp1362-hcd",
281         .id = 0,
282         .dev = {
283                 .platform_data = &isp1362_priv,
284         },
285         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
286         .resource = isp1362_hcd_resources,
287 };
288 #endif
289
290 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
291 static struct resource net2272_bfin_resources[] = {
292         {
293                 .start = 0x20200000,
294                 .end = 0x20200000 + 0x100,
295                 .flags = IORESOURCE_MEM,
296         }, {
297                 .start = IRQ_PH14,
298                 .end = IRQ_PH14,
299                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
300         },
301 };
302
303 static struct platform_device net2272_bfin_device = {
304         .name = "net2272",
305         .id = -1,
306         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
307         .resource = net2272_bfin_resources,
308 };
309 #endif
310
311 static struct resource bfin_gpios_resources = {
312         .start = 0,
313         .end   = MAX_BLACKFIN_GPIOS - 1,
314         .flags = IORESOURCE_IRQ,
315 };
316
317 static struct platform_device bfin_gpios_device = {
318         .name = "simple-gpio",
319         .id = -1,
320         .num_resources = 1,
321         .resource = &bfin_gpios_resources,
322 };
323
324 #if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
325 static struct mtd_partition cm_partitions[] = {
326         {
327                 .name   = "bootloader(nor)",
328                 .size   = 0x40000,
329                 .offset = 0,
330         }, {
331                 .name   = "linux kernel(nor)",
332                 .size   = 0xE0000,
333                 .offset = MTDPART_OFS_APPEND,
334         }, {
335                 .name   = "file system(nor)",
336                 .size   = MTDPART_SIZ_FULL,
337                 .offset = MTDPART_OFS_APPEND,
338         }
339 };
340
341 static struct physmap_flash_data cm_flash_data = {
342         .width    = 2,
343         .parts    = cm_partitions,
344         .nr_parts = ARRAY_SIZE(cm_partitions),
345 };
346
347 static unsigned cm_flash_gpios[] = { GPIO_PF4 };
348
349 static struct resource cm_flash_resource[] = {
350         {
351                 .name  = "cfi_probe",
352                 .start = 0x20000000,
353                 .end   = 0x201fffff,
354                 .flags = IORESOURCE_MEM,
355         }, {
356                 .start = (unsigned long)cm_flash_gpios,
357                 .end   = ARRAY_SIZE(cm_flash_gpios),
358                 .flags = IORESOURCE_IRQ,
359         }
360 };
361
362 static struct platform_device cm_flash_device = {
363         .name          = "gpio-addr-flash",
364         .id            = 0,
365         .dev = {
366                 .platform_data = &cm_flash_data,
367         },
368         .num_resources = ARRAY_SIZE(cm_flash_resource),
369         .resource      = cm_flash_resource,
370 };
371 #endif
372
373 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
374 static struct resource bfin_uart_resources[] = {
375         {
376                 .start = 0xFFC00400,
377                 .end = 0xFFC004FF,
378                 .flags = IORESOURCE_MEM,
379         }, {
380                 .start = 0xFFC02000,
381                 .end = 0xFFC020FF,
382                 .flags = IORESOURCE_MEM,
383         },
384 };
385
386 static struct platform_device bfin_uart_device = {
387         .name = "bfin-uart",
388         .id = 1,
389         .num_resources = ARRAY_SIZE(bfin_uart_resources),
390         .resource = bfin_uart_resources,
391 };
392 #endif
393
394 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
395 #ifdef CONFIG_BFIN_SIR0
396 static struct resource bfin_sir0_resources[] = {
397         {
398                 .start = 0xFFC00400,
399                 .end = 0xFFC004FF,
400                 .flags = IORESOURCE_MEM,
401         },
402         {
403                 .start = IRQ_UART0_RX,
404                 .end = IRQ_UART0_RX+1,
405                 .flags = IORESOURCE_IRQ,
406         },
407         {
408                 .start = CH_UART0_RX,
409                 .end = CH_UART0_RX+1,
410                 .flags = IORESOURCE_DMA,
411         },
412 };
413 static struct platform_device bfin_sir0_device = {
414         .name = "bfin_sir",
415         .id = 0,
416         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
417         .resource = bfin_sir0_resources,
418 };
419 #endif
420 #ifdef CONFIG_BFIN_SIR1
421 static struct resource bfin_sir1_resources[] = {
422         {
423                 .start = 0xFFC02000,
424                 .end = 0xFFC020FF,
425                 .flags = IORESOURCE_MEM,
426         },
427         {
428                 .start = IRQ_UART1_RX,
429                 .end = IRQ_UART1_RX+1,
430                 .flags = IORESOURCE_IRQ,
431         },
432         {
433                 .start = CH_UART1_RX,
434                 .end = CH_UART1_RX+1,
435                 .flags = IORESOURCE_DMA,
436         },
437 };
438 static struct platform_device bfin_sir1_device = {
439         .name = "bfin_sir",
440         .id = 1,
441         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
442         .resource = bfin_sir1_resources,
443 };
444 #endif
445 #endif
446
447 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
448 static struct resource bfin_twi0_resource[] = {
449         [0] = {
450                 .start = TWI0_REGBASE,
451                 .end   = TWI0_REGBASE,
452                 .flags = IORESOURCE_MEM,
453         },
454         [1] = {
455                 .start = IRQ_TWI,
456                 .end   = IRQ_TWI,
457                 .flags = IORESOURCE_IRQ,
458         },
459 };
460
461 static struct platform_device i2c_bfin_twi_device = {
462         .name = "i2c-bfin-twi",
463         .id = 0,
464         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
465         .resource = bfin_twi0_resource,
466 };
467 #endif
468
469 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
470 static struct platform_device bfin_sport0_uart_device = {
471         .name = "bfin-sport-uart",
472         .id = 0,
473 };
474
475 static struct platform_device bfin_sport1_uart_device = {
476         .name = "bfin-sport-uart",
477         .id = 1,
478 };
479 #endif
480
481 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
482 static struct platform_device bfin_mac_device = {
483         .name = "bfin_mac",
484 };
485 #endif
486
487 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
488 #define PATA_INT        IRQ_PF14
489
490 static struct pata_platform_info bfin_pata_platform_data = {
491         .ioport_shift = 2,
492         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
493 };
494
495 static struct resource bfin_pata_resources[] = {
496         {
497                 .start = 0x2030C000,
498                 .end = 0x2030C01F,
499                 .flags = IORESOURCE_MEM,
500         },
501         {
502                 .start = 0x2030D018,
503                 .end = 0x2030D01B,
504                 .flags = IORESOURCE_MEM,
505         },
506         {
507                 .start = PATA_INT,
508                 .end = PATA_INT,
509                 .flags = IORESOURCE_IRQ,
510         },
511 };
512
513 static struct platform_device bfin_pata_device = {
514         .name = "pata_platform",
515         .id = -1,
516         .num_resources = ARRAY_SIZE(bfin_pata_resources),
517         .resource = bfin_pata_resources,
518         .dev = {
519                 .platform_data = &bfin_pata_platform_data,
520         }
521 };
522 #endif
523
524 static const unsigned int cclk_vlev_datasheet[] =
525 {
526         VRPAIR(VLEV_085, 250000000),
527         VRPAIR(VLEV_090, 376000000),
528         VRPAIR(VLEV_095, 426000000),
529         VRPAIR(VLEV_100, 426000000),
530         VRPAIR(VLEV_105, 476000000),
531         VRPAIR(VLEV_110, 476000000),
532         VRPAIR(VLEV_115, 476000000),
533         VRPAIR(VLEV_120, 500000000),
534         VRPAIR(VLEV_125, 533000000),
535         VRPAIR(VLEV_130, 600000000),
536 };
537
538 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
539         .tuple_tab = cclk_vlev_datasheet,
540         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
541         .vr_settling_time = 25 /* us */,
542 };
543
544 static struct platform_device bfin_dpmc = {
545         .name = "bfin dpmc",
546         .dev = {
547                 .platform_data = &bfin_dmpc_vreg_data,
548         },
549 };
550
551 static struct platform_device *cm_bf537_devices[] __initdata = {
552
553         &bfin_dpmc,
554
555 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
556         &hitachi_fb_device,
557 #endif
558
559 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
560         &rtc_device,
561 #endif
562
563 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
564         &bfin_uart_device,
565 #endif
566
567 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
568 #ifdef CONFIG_BFIN_SIR0
569         &bfin_sir0_device,
570 #endif
571 #ifdef CONFIG_BFIN_SIR1
572         &bfin_sir1_device,
573 #endif
574 #endif
575
576 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
577         &i2c_bfin_twi_device,
578 #endif
579
580 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
581         &bfin_sport0_uart_device,
582         &bfin_sport1_uart_device,
583 #endif
584
585 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
586         &isp1362_hcd_device,
587 #endif
588
589 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
590         &smc91x_device,
591 #endif
592
593 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
594         &bfin_mac_device,
595 #endif
596
597 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
598         &net2272_bfin_device,
599 #endif
600
601 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
602         &bfin_spi0_device,
603 #endif
604
605 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
606         &bfin_pata_device,
607 #endif
608
609 #if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
610         &cm_flash_device,
611 #endif
612
613         &bfin_gpios_device,
614 };
615
616 static int __init cm_bf537_init(void)
617 {
618         printk(KERN_INFO "%s(): registering device resources\n", __func__);
619         platform_add_devices(cm_bf537_devices, ARRAY_SIZE(cm_bf537_devices));
620 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
621         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
622 #endif
623
624 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
625         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
626 #endif
627         return 0;
628 }
629
630 arch_initcall(cm_bf537_init);
631
632 void bfin_get_ether_addr(char *addr)
633 {
634         random_ether_addr(addr);
635         printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
636 }
637 EXPORT_SYMBOL(bfin_get_ether_addr);