Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc
[linux-2.6] / 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/irq.h>
42 #include <linux/i2c.h>
43 #include <asm/dma.h>
44 #include <asm/bfin5xx_spi.h>
45 #include <asm/reboot.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[] = "ADI 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_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
114 static struct mtd_partition stamp_partitions[] = {
115         {
116                 .name   = "bootloader(nor)",
117                 .size   = 0x40000,
118                 .offset = 0,
119         }, {
120                 .name   = "linux kernel(nor)",
121                 .size   = 0x180000,
122                 .offset = MTDPART_OFS_APPEND,
123         }, {
124                 .name   = "file system(nor)",
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 = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
144                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
145                 .flags = IORESOURCE_MEM,
146         }, {
147                 .start = GPIO_PF0,
148                 .flags = IORESOURCE_IRQ,
149         }
150 };
151
152 static struct platform_device stamp_flash_device = {
153         .name          = "bfin-async-flash",
154         .id            = 0,
155         .dev = {
156                 .platform_data = &stamp_flash_data,
157         },
158         .num_resources = ARRAY_SIZE(stamp_flash_resource),
159         .resource      = stamp_flash_resource,
160 };
161 #endif
162
163 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
164 static struct mtd_partition bfin_spi_flash_partitions[] = {
165         {
166                 .name = "bootloader(spi)",
167                 .size = 0x00040000,
168                 .offset = 0,
169                 .mask_flags = MTD_CAP_ROM
170         }, {
171                 .name = "linux kernel(spi)",
172                 .size = 0x180000,
173                 .offset = MTDPART_OFS_APPEND,
174         }, {
175                 .name = "file system(spi)",
176                 .size = MTDPART_SIZ_FULL,
177                 .offset = MTDPART_OFS_APPEND,
178         }
179 };
180
181 static struct flash_platform_data bfin_spi_flash_data = {
182         .name = "m25p80",
183         .parts = bfin_spi_flash_partitions,
184         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
185         .type = "m25p64",
186 };
187
188 /* SPI flash chip (m25p64) */
189 static struct bfin5xx_spi_chip spi_flash_chip_info = {
190         .enable_dma = 0,         /* use dma transfer with this chip*/
191         .bits_per_word = 8,
192 };
193 #endif
194
195 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
196 /* SPI ADC chip */
197 static struct bfin5xx_spi_chip spi_adc_chip_info = {
198         .enable_dma = 1,         /* use dma transfer with this chip*/
199         .bits_per_word = 16,
200 };
201 #endif
202
203 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
204 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
205         .enable_dma = 0,
206         .bits_per_word = 16,
207 };
208 #endif
209
210 #if defined(CONFIG_PBX)
211 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
212         .ctl_reg        = 0x4, /* send zero */
213         .enable_dma     = 0,
214         .bits_per_word  = 8,
215         .cs_change_per_word = 1,
216 };
217 #endif
218
219 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
220 static struct bfin5xx_spi_chip spidev_chip_info = {
221         .enable_dma = 0,
222         .bits_per_word = 8,
223 };
224 #endif
225
226 static struct spi_board_info bfin_spi_board_info[] __initdata = {
227 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
228         {
229                 /* the modalias must be the same as spi device driver name */
230                 .modalias = "m25p80", /* Name of spi_driver for this device */
231                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
232                 .bus_num = 0, /* Framework bus number */
233                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
234                 .platform_data = &bfin_spi_flash_data,
235                 .controller_data = &spi_flash_chip_info,
236                 .mode = SPI_MODE_3,
237         },
238 #endif
239
240 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
241         {
242                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
243                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
244                 .bus_num = 0, /* Framework bus number */
245                 .chip_select = 1, /* Framework chip select. */
246                 .platform_data = NULL, /* No spi_driver specific config */
247                 .controller_data = &spi_adc_chip_info,
248         },
249 #endif
250
251 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
252         {
253                 .modalias = "ad1836-spi",
254                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
255                 .bus_num = 0,
256                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
257                 .controller_data = &ad1836_spi_chip_info,
258         },
259 #endif
260
261 #if defined(CONFIG_PBX)
262         {
263                 .modalias = "fxs-spi",
264                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
265                 .bus_num = 0,
266                 .chip_select = 8 - CONFIG_J11_JUMPER,
267                 .controller_data = &spi_si3xxx_chip_info,
268                 .mode = SPI_MODE_3,
269         },
270         {
271                 .modalias = "fxo-spi",
272                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
273                 .bus_num = 0,
274                 .chip_select = 8 - CONFIG_J19_JUMPER,
275                 .controller_data = &spi_si3xxx_chip_info,
276                 .mode = SPI_MODE_3,
277         },
278 #endif
279
280 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
281         {
282                 .modalias = "spidev",
283                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
284                 .bus_num = 0,
285                 .chip_select = 1,
286                 .controller_data = &spidev_chip_info,
287         },
288 #endif
289 };
290
291 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
292 /* SPI (0) */
293 static struct resource bfin_spi0_resource[] = {
294         [0] = {
295                 .start = SPI0_REGBASE,
296                 .end   = SPI0_REGBASE + 0xFF,
297                 .flags = IORESOURCE_MEM,
298         },
299         [1] = {
300                 .start = CH_SPI,
301                 .end   = CH_SPI,
302                 .flags = IORESOURCE_IRQ,
303         }
304 };
305
306 /* SPI controller data */
307 static struct bfin5xx_spi_master bfin_spi0_info = {
308         .num_chipselect = 8,
309         .enable_dma = 1,  /* master has the ability to do dma transfer */
310         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
311 };
312
313 static struct platform_device bfin_spi0_device = {
314         .name = "bfin-spi",
315         .id = 0, /* Bus number */
316         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
317         .resource = bfin_spi0_resource,
318         .dev = {
319                 .platform_data = &bfin_spi0_info, /* Passed to driver */
320         },
321 };
322 #endif  /* spi master and devices */
323
324 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
325 static struct platform_device bfin_fb_device = {
326         .name = "bf537-fb",
327 };
328 #endif
329
330 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
331 static struct resource bfin_uart_resources[] = {
332         {
333                 .start = 0xFFC00400,
334                 .end = 0xFFC004FF,
335                 .flags = IORESOURCE_MEM,
336         },
337 };
338
339 static struct platform_device bfin_uart_device = {
340         .name = "bfin-uart",
341         .id = 1,
342         .num_resources = ARRAY_SIZE(bfin_uart_resources),
343         .resource = bfin_uart_resources,
344 };
345 #endif
346
347 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
348 #ifdef CONFIG_BFIN_SIR0
349 static struct resource bfin_sir0_resources[] = {
350         {
351                 .start = 0xFFC00400,
352                 .end = 0xFFC004FF,
353                 .flags = IORESOURCE_MEM,
354         },
355         {
356                 .start = IRQ_UART0_RX,
357                 .end = IRQ_UART0_RX+1,
358                 .flags = IORESOURCE_IRQ,
359         },
360         {
361                 .start = CH_UART0_RX,
362                 .end = CH_UART0_RX+1,
363                 .flags = IORESOURCE_DMA,
364         },
365 };
366
367 static struct platform_device bfin_sir0_device = {
368         .name = "bfin_sir",
369         .id = 0,
370         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
371         .resource = bfin_sir0_resources,
372 };
373 #endif
374 #endif
375
376 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
377 static struct platform_device bfin_sport0_uart_device = {
378         .name = "bfin-sport-uart",
379         .id = 0,
380 };
381
382 static struct platform_device bfin_sport1_uart_device = {
383         .name = "bfin-sport-uart",
384         .id = 1,
385 };
386 #endif
387
388 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
389 #include <linux/input.h>
390 #include <linux/gpio_keys.h>
391
392 static struct gpio_keys_button bfin_gpio_keys_table[] = {
393         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
394         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
395         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
396 };
397
398 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
399         .buttons        = bfin_gpio_keys_table,
400         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
401 };
402
403 static struct platform_device bfin_device_gpiokeys = {
404         .name      = "gpio-keys",
405         .dev = {
406                 .platform_data = &bfin_gpio_keys_data,
407         },
408 };
409 #endif
410
411 static struct resource bfin_gpios_resources = {
412         .start = 0,
413         .end   = MAX_BLACKFIN_GPIOS - 1,
414         .flags = IORESOURCE_IRQ,
415 };
416
417 static struct platform_device bfin_gpios_device = {
418         .name = "simple-gpio",
419         .id = -1,
420         .num_resources = 1,
421         .resource = &bfin_gpios_resources,
422 };
423
424 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
425 #include <linux/i2c-gpio.h>
426
427 static struct i2c_gpio_platform_data i2c_gpio_data = {
428         .sda_pin                = 2,
429         .scl_pin                = 3,
430         .sda_is_open_drain      = 0,
431         .scl_is_open_drain      = 0,
432         .udelay                 = 40,
433 };
434
435 static struct platform_device i2c_gpio_device = {
436         .name           = "i2c-gpio",
437         .id             = 0,
438         .dev            = {
439                 .platform_data  = &i2c_gpio_data,
440         },
441 };
442 #endif
443
444 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
445 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
446         {
447                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
448                 .irq = 39,
449         },
450 #endif
451 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
452         {
453                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
454         },
455 #endif
456 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
457         {
458                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
459                 .irq = 39,
460         },
461 #endif
462 };
463
464 static const unsigned int cclk_vlev_datasheet[] =
465 {
466         VRPAIR(VLEV_085, 250000000),
467         VRPAIR(VLEV_090, 376000000),
468         VRPAIR(VLEV_095, 426000000),
469         VRPAIR(VLEV_100, 426000000),
470         VRPAIR(VLEV_105, 476000000),
471         VRPAIR(VLEV_110, 476000000),
472         VRPAIR(VLEV_115, 476000000),
473         VRPAIR(VLEV_120, 600000000),
474         VRPAIR(VLEV_125, 600000000),
475         VRPAIR(VLEV_130, 600000000),
476 };
477
478 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
479         .tuple_tab = cclk_vlev_datasheet,
480         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
481         .vr_settling_time = 25 /* us */,
482 };
483
484 static struct platform_device bfin_dpmc = {
485         .name = "bfin dpmc",
486         .dev = {
487                 .platform_data = &bfin_dmpc_vreg_data,
488         },
489 };
490
491 static struct platform_device *stamp_devices[] __initdata = {
492
493         &bfin_dpmc,
494
495 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
496         &rtc_device,
497 #endif
498
499 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
500         &smc91x_device,
501 #endif
502
503 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
504         &bfin_fb_adv7393_device,
505 #endif
506
507 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
508         &net2272_bfin_device,
509 #endif
510
511 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
512         &bfin_spi0_device,
513 #endif
514
515 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
516         &bfin_uart_device,
517 #endif
518
519 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
520 #ifdef CONFIG_BFIN_SIR0
521         &bfin_sir0_device,
522 #endif
523 #endif
524
525 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
526         &bfin_sport0_uart_device,
527         &bfin_sport1_uart_device,
528 #endif
529
530 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
531         &bfin_device_gpiokeys,
532 #endif
533
534 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
535         &i2c_gpio_device,
536 #endif
537
538         &bfin_gpios_device,
539
540 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
541         &stamp_flash_device,
542 #endif
543 };
544
545 static int __init stamp_init(void)
546 {
547         int ret;
548
549         printk(KERN_INFO "%s(): registering device resources\n", __func__);
550
551         i2c_register_board_info(0, bfin_i2c_board_info,
552                                 ARRAY_SIZE(bfin_i2c_board_info));
553
554         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
555         if (ret < 0)
556                 return ret;
557
558 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
559         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
560         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
561         bfin_write_FIO_FLAG_S(PF0);
562         SSYNC();
563 #endif
564
565         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
566         return 0;
567 }
568
569 arch_initcall(stamp_init);
570
571 void native_machine_restart(char *cmd)
572 {
573         /* workaround pull up on cpld / flash pin not being strong enough */
574         bfin_write_FIO_INEN(~PF0);
575         bfin_write_FIO_DIR(PF0);
576         bfin_write_FIO_FLAG_C(PF0);
577 }