Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux...
[sfrench/cifs-2.6.git] / arch / blackfin / mach-bf533 / boards / stamp.c
1 /*
2  * File:         arch/blackfin/mach-bf533/stamp.c
3  * Based on:     arch/blackfin/mach-bf533/ezkit.c
4  * Author:       Aidan Williams <aidan@nicta.com.au>
5  *
6  * Created:      2005
7  * Description:  Board Info File for the BF533-STAMP
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/platform_device.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/mtd/physmap.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/flash.h>
38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
39 #include <linux/usb/isp1362.h>
40 #endif
41 #include <linux/ata_platform.h>
42 #include <linux/irq.h>
43 #include <linux/i2c.h>
44 #include <asm/dma.h>
45 #include <asm/bfin5xx_spi.h>
46 #include <asm/reboot.h>
47 #include <asm/portmux.h>
48
49 /*
50  * Name the Board for the /proc/cpuinfo
51  */
52 const char bfin_board_name[] = "ADDS-BF533-STAMP";
53
54 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
55 static struct platform_device rtc_device = {
56         .name = "rtc-bfin",
57         .id   = -1,
58 };
59 #endif
60
61 /*
62  *  Driver needs to know address, irq and flag pin.
63  */
64 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
65 static struct resource smc91x_resources[] = {
66         {
67                 .name = "smc91x-regs",
68                 .start = 0x20300300,
69                 .end = 0x20300300 + 16,
70                 .flags = IORESOURCE_MEM,
71         }, {
72                 .start = IRQ_PF7,
73                 .end = IRQ_PF7,
74                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
75         },
76 };
77
78 static struct platform_device smc91x_device = {
79         .name = "smc91x",
80         .id = 0,
81         .num_resources = ARRAY_SIZE(smc91x_resources),
82         .resource = smc91x_resources,
83 };
84 #endif
85
86 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
87 static struct platform_device bfin_fb_adv7393_device = {
88         .name = "bfin-adv7393",
89 };
90 #endif
91
92 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
93 static struct resource net2272_bfin_resources[] = {
94         {
95                 .start = 0x20300000,
96                 .end = 0x20300000 + 0x100,
97                 .flags = IORESOURCE_MEM,
98         }, {
99                 .start = IRQ_PF10,
100                 .end = IRQ_PF10,
101                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
102         },
103 };
104
105 static struct platform_device net2272_bfin_device = {
106         .name = "net2272",
107         .id = -1,
108         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
109         .resource = net2272_bfin_resources,
110 };
111 #endif
112
113 #if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
114 static struct mtd_partition stamp_partitions[] = {
115         {
116                 .name   = "Bootloader",
117                 .size   = 0x40000,
118                 .offset = 0,
119         }, {
120                 .name   = "Kernel",
121                 .size   = 0xE0000,
122                 .offset = MTDPART_OFS_APPEND,
123         }, {
124                 .name   = "RootFS",
125                 .size   = MTDPART_SIZ_FULL,
126                 .offset = MTDPART_OFS_APPEND,
127         }
128 };
129
130 static struct physmap_flash_data stamp_flash_data = {
131         .width    = 2,
132         .parts    = stamp_partitions,
133         .nr_parts = ARRAY_SIZE(stamp_partitions),
134 };
135
136 static struct resource stamp_flash_resource[] = {
137         {
138                 .name  = "cfi_probe",
139                 .start = 0x20000000,
140                 .end   = 0x203fffff,
141                 .flags = IORESOURCE_MEM,
142         }, {
143                 .start = CONFIG_ENET_FLASH_PIN,
144                 .flags = IORESOURCE_IRQ,
145         }
146 };
147
148 static struct platform_device stamp_flash_device = {
149         .name          = "BF5xx-Flash",
150         .id            = 0,
151         .dev = {
152                 .platform_data = &stamp_flash_data,
153         },
154         .num_resources = ARRAY_SIZE(stamp_flash_resource),
155         .resource      = stamp_flash_resource,
156 };
157 #endif
158
159 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
160 /* all SPI peripherals info goes here */
161
162 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
163 static struct mtd_partition bfin_spi_flash_partitions[] = {
164         {
165                 .name = "bootloader",
166                 .size = 0x00040000,
167                 .offset = 0,
168                 .mask_flags = MTD_CAP_ROM
169         }, {
170                 .name = "kernel",
171                 .size = 0xe0000,
172                 .offset = MTDPART_OFS_APPEND,
173         }, {
174                 .name = "file system",
175                 .size = MTDPART_SIZ_FULL,
176                 .offset = MTDPART_OFS_APPEND,
177         }
178 };
179
180 static struct flash_platform_data bfin_spi_flash_data = {
181         .name = "m25p80",
182         .parts = bfin_spi_flash_partitions,
183         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
184         .type = "m25p64",
185 };
186
187 /* SPI flash chip (m25p64) */
188 static struct bfin5xx_spi_chip spi_flash_chip_info = {
189         .enable_dma = 0,         /* use dma transfer with this chip*/
190         .bits_per_word = 8,
191 };
192 #endif
193
194 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
195 /* SPI ADC chip */
196 static struct bfin5xx_spi_chip spi_adc_chip_info = {
197         .enable_dma = 1,         /* use dma transfer with this chip*/
198         .bits_per_word = 16,
199 };
200 #endif
201
202 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
203 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
204         .enable_dma = 0,
205         .bits_per_word = 16,
206 };
207 #endif
208
209 #if defined(CONFIG_PBX)
210 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
211         .ctl_reg        = 0x4, /* send zero */
212         .enable_dma     = 0,
213         .bits_per_word  = 8,
214         .cs_change_per_word = 1,
215 };
216 #endif
217
218 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
219 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
220         .enable_dma = 1,
221         .bits_per_word = 8,
222 };
223 #endif
224
225 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
226 static struct bfin5xx_spi_chip spidev_chip_info = {
227         .enable_dma = 0,
228         .bits_per_word = 8,
229 };
230 #endif
231
232 static struct spi_board_info bfin_spi_board_info[] __initdata = {
233 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
234         {
235                 /* the modalias must be the same as spi device driver name */
236                 .modalias = "m25p80", /* Name of spi_driver for this device */
237                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
238                 .bus_num = 0, /* Framework bus number */
239                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
240                 .platform_data = &bfin_spi_flash_data,
241                 .controller_data = &spi_flash_chip_info,
242                 .mode = SPI_MODE_3,
243         },
244 #endif
245
246 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
247         {
248                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
249                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
250                 .bus_num = 0, /* Framework bus number */
251                 .chip_select = 1, /* Framework chip select. */
252                 .platform_data = NULL, /* No spi_driver specific config */
253                 .controller_data = &spi_adc_chip_info,
254         },
255 #endif
256
257 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
258         {
259                 .modalias = "ad1836-spi",
260                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
261                 .bus_num = 0,
262                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
263                 .controller_data = &ad1836_spi_chip_info,
264         },
265 #endif
266
267 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
268         {
269                 .modalias = "spi_mmc_dummy",
270                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
271                 .bus_num = 0,
272                 .chip_select = 0,
273                 .platform_data = NULL,
274                 .controller_data = &spi_mmc_chip_info,
275                 .mode = SPI_MODE_3,
276         },
277         {
278                 .modalias = "spi_mmc",
279                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
280                 .bus_num = 0,
281                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
282                 .platform_data = NULL,
283                 .controller_data = &spi_mmc_chip_info,
284                 .mode = SPI_MODE_3,
285         },
286 #endif
287
288 #if defined(CONFIG_PBX)
289         {
290                 .modalias = "fxs-spi",
291                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
292                 .bus_num = 0,
293                 .chip_select = 8 - CONFIG_J11_JUMPER,
294                 .controller_data = &spi_si3xxx_chip_info,
295                 .mode = SPI_MODE_3,
296         },
297         {
298                 .modalias = "fxo-spi",
299                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
300                 .bus_num = 0,
301                 .chip_select = 8 - CONFIG_J19_JUMPER,
302                 .controller_data = &spi_si3xxx_chip_info,
303                 .mode = SPI_MODE_3,
304         },
305 #endif
306
307 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
308         {
309                 .modalias = "spidev",
310                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
311                 .bus_num = 0,
312                 .chip_select = 1,
313                 .controller_data = &spidev_chip_info,
314         },
315 #endif
316 };
317
318 /* SPI (0) */
319 static struct resource bfin_spi0_resource[] = {
320         [0] = {
321                 .start = SPI0_REGBASE,
322                 .end   = SPI0_REGBASE + 0xFF,
323                 .flags = IORESOURCE_MEM,
324         },
325         [1] = {
326                 .start = CH_SPI,
327                 .end   = CH_SPI,
328                 .flags = IORESOURCE_IRQ,
329         }
330 };
331
332 /* SPI controller data */
333 static struct bfin5xx_spi_master bfin_spi0_info = {
334         .num_chipselect = 8,
335         .enable_dma = 1,  /* master has the ability to do dma transfer */
336         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
337 };
338
339 static struct platform_device bfin_spi0_device = {
340         .name = "bfin-spi",
341         .id = 0, /* Bus number */
342         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
343         .resource = bfin_spi0_resource,
344         .dev = {
345                 .platform_data = &bfin_spi0_info, /* Passed to driver */
346         },
347 };
348 #endif  /* spi master and devices */
349
350 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
351 static struct platform_device bfin_fb_device = {
352         .name = "bf537-fb",
353 };
354 #endif
355
356 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
357 static struct resource bfin_uart_resources[] = {
358         {
359                 .start = 0xFFC00400,
360                 .end = 0xFFC004FF,
361                 .flags = IORESOURCE_MEM,
362         },
363 };
364
365 static struct platform_device bfin_uart_device = {
366         .name = "bfin-uart",
367         .id = 1,
368         .num_resources = ARRAY_SIZE(bfin_uart_resources),
369         .resource = bfin_uart_resources,
370 };
371 #endif
372
373 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
374 static struct resource bfin_sir_resources[] = {
375 #ifdef CONFIG_BFIN_SIR0
376         {
377                 .start = 0xFFC00400,
378                 .end = 0xFFC004FF,
379                 .flags = IORESOURCE_MEM,
380         },
381 #endif
382 };
383
384 static struct platform_device bfin_sir_device = {
385         .name = "bfin_sir",
386         .id = 0,
387         .num_resources = ARRAY_SIZE(bfin_sir_resources),
388         .resource = bfin_sir_resources,
389 };
390 #endif
391
392 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
393 static struct platform_device bfin_sport0_uart_device = {
394         .name = "bfin-sport-uart",
395         .id = 0,
396 };
397
398 static struct platform_device bfin_sport1_uart_device = {
399         .name = "bfin-sport-uart",
400         .id = 1,
401 };
402 #endif
403
404 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
405 #define PATA_INT        55
406
407 static struct pata_platform_info bfin_pata_platform_data = {
408         .ioport_shift = 1,
409         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
410 };
411
412 static struct resource bfin_pata_resources[] = {
413         {
414                 .start = 0x20314020,
415                 .end = 0x2031403F,
416                 .flags = IORESOURCE_MEM,
417         },
418         {
419                 .start = 0x2031401C,
420                 .end = 0x2031401F,
421                 .flags = IORESOURCE_MEM,
422         },
423         {
424                 .start = PATA_INT,
425                 .end = PATA_INT,
426                 .flags = IORESOURCE_IRQ,
427         },
428 };
429
430 static struct platform_device bfin_pata_device = {
431         .name = "pata_platform",
432         .id = -1,
433         .num_resources = ARRAY_SIZE(bfin_pata_resources),
434         .resource = bfin_pata_resources,
435         .dev = {
436                 .platform_data = &bfin_pata_platform_data,
437         }
438 };
439 #endif
440
441 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
442 #include <linux/input.h>
443 #include <linux/gpio_keys.h>
444
445 static struct gpio_keys_button bfin_gpio_keys_table[] = {
446         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
447         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
448         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
449 };
450
451 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
452         .buttons        = bfin_gpio_keys_table,
453         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
454 };
455
456 static struct platform_device bfin_device_gpiokeys = {
457         .name      = "gpio-keys",
458         .dev = {
459                 .platform_data = &bfin_gpio_keys_data,
460         },
461 };
462 #endif
463
464 static struct resource bfin_gpios_resources = {
465         .start = 0,
466         .end   = MAX_BLACKFIN_GPIOS - 1,
467         .flags = IORESOURCE_IRQ,
468 };
469
470 static struct platform_device bfin_gpios_device = {
471         .name = "simple-gpio",
472         .id = -1,
473         .num_resources = 1,
474         .resource = &bfin_gpios_resources,
475 };
476
477 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
478 #include <linux/i2c-gpio.h>
479
480 static struct i2c_gpio_platform_data i2c_gpio_data = {
481         .sda_pin                = 2,
482         .scl_pin                = 3,
483         .sda_is_open_drain      = 0,
484         .scl_is_open_drain      = 0,
485         .udelay                 = 40,
486 };
487
488 static struct platform_device i2c_gpio_device = {
489         .name           = "i2c-gpio",
490         .id             = 0,
491         .dev            = {
492                 .platform_data  = &i2c_gpio_data,
493         },
494 };
495 #endif
496
497 #ifdef CONFIG_I2C_BOARDINFO
498 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
499 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
500         {
501                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
502                 .type = "ad7142_joystick",
503                 .irq = 39,
504         },
505 #endif
506 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
507         {
508                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
509                 .type = "pcf8574_lcd",
510         },
511 #endif
512 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
513         {
514                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
515                 .type = "pcf8574_keypad",
516                 .irq = 39,
517         },
518 #endif
519 };
520 #endif
521
522 static struct platform_device *stamp_devices[] __initdata = {
523 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
524         &rtc_device,
525 #endif
526
527 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
528         &smc91x_device,
529 #endif
530
531 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
532         &bfin_fb_adv7393_device,
533 #endif
534
535 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
536         &net2272_bfin_device,
537 #endif
538
539 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
540         &bfin_spi0_device,
541 #endif
542
543 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
544         &bfin_uart_device,
545 #endif
546
547 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
548         &bfin_sir_device,
549 #endif
550
551 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
552         &bfin_sport0_uart_device,
553         &bfin_sport1_uart_device,
554 #endif
555
556 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
557         &bfin_pata_device,
558 #endif
559
560 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
561         &bfin_device_gpiokeys,
562 #endif
563
564 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
565         &i2c_gpio_device,
566 #endif
567
568         &bfin_gpios_device,
569
570 #if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
571         &stamp_flash_device,
572 #endif
573 };
574
575 static int __init stamp_init(void)
576 {
577         int ret;
578
579         printk(KERN_INFO "%s(): registering device resources\n", __func__);
580
581 #ifdef CONFIG_I2C_BOARDINFO
582         i2c_register_board_info(0, bfin_i2c_board_info,
583                                 ARRAY_SIZE(bfin_i2c_board_info));
584 #endif
585
586         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
587         if (ret < 0)
588                 return ret;
589
590 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
591         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
592         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
593         bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
594         SSYNC();
595 #endif
596
597 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
598         spi_register_board_info(bfin_spi_board_info,
599                                 ARRAY_SIZE(bfin_spi_board_info));
600 #endif
601 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
602         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
603 #endif
604         return 0;
605 }
606
607 arch_initcall(stamp_init);
608
609 void native_machine_restart(char *cmd)
610 {
611 #define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
612         bfin_write_FIO_INEN(~BIT_TO_SET);
613         bfin_write_FIO_DIR(BIT_TO_SET);
614         bfin_write_FIO_FLAG_C(BIT_TO_SET);
615 }