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TOMOYO Linux Cross Reference
Linux/arch/blackfin/mach-bf533/boards/stamp.c

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  1 /*
  2  * Copyright 2004-2009 Analog Devices Inc.
  3  *                2005 National ICT Australia (NICTA)
  4  *                      Aidan Williams <aidan@nicta.com.au>
  5  *
  6  * Licensed under the GPL-2 or later.
  7  */
  8 
  9 #include <linux/device.h>
 10 #include <linux/platform_device.h>
 11 #include <linux/mtd/mtd.h>
 12 #include <linux/mtd/partitions.h>
 13 #include <linux/mtd/physmap.h>
 14 #include <linux/spi/spi.h>
 15 #include <linux/spi/flash.h>
 16 #include <linux/spi/mmc_spi.h>
 17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 18 #include <linux/usb/isp1362.h>
 19 #endif
 20 #include <linux/irq.h>
 21 #include <linux/i2c.h>
 22 #include <asm/dma.h>
 23 #include <asm/bfin5xx_spi.h>
 24 #include <asm/reboot.h>
 25 #include <asm/portmux.h>
 26 #include <asm/dpmc.h>
 27 
 28 /*
 29  * Name the Board for the /proc/cpuinfo
 30  */
 31 const char bfin_board_name[] = "ADI BF533-STAMP";
 32 
 33 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 34 static struct platform_device rtc_device = {
 35         .name = "rtc-bfin",
 36         .id   = -1,
 37 };
 38 #endif
 39 
 40 /*
 41  *  Driver needs to know address, irq and flag pin.
 42  */
 43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 44 #include <linux/smc91x.h>
 45 
 46 static struct smc91x_platdata smc91x_info = {
 47         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 48         .leda = RPC_LED_100_10,
 49         .ledb = RPC_LED_TX_RX,
 50 };
 51 
 52 static struct resource smc91x_resources[] = {
 53         {
 54                 .name = "smc91x-regs",
 55                 .start = 0x20300300,
 56                 .end = 0x20300300 + 16,
 57                 .flags = IORESOURCE_MEM,
 58         }, {
 59                 .start = IRQ_PF7,
 60                 .end = IRQ_PF7,
 61                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 62         },
 63 };
 64 
 65 static struct platform_device smc91x_device = {
 66         .name = "smc91x",
 67         .id = 0,
 68         .num_resources = ARRAY_SIZE(smc91x_resources),
 69         .resource = smc91x_resources,
 70         .dev    = {
 71                 .platform_data  = &smc91x_info,
 72         },
 73 };
 74 #endif
 75 
 76 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 77 static struct resource net2272_bfin_resources[] = {
 78         {
 79                 .start = 0x20300000,
 80                 .end = 0x20300000 + 0x100,
 81                 .flags = IORESOURCE_MEM,
 82         }, {
 83                 .start = 1,
 84                 .flags = IORESOURCE_BUS,
 85         }, {
 86                 .start = IRQ_PF10,
 87                 .end = IRQ_PF10,
 88                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 89         },
 90 };
 91 
 92 static struct platform_device net2272_bfin_device = {
 93         .name = "net2272",
 94         .id = -1,
 95         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 96         .resource = net2272_bfin_resources,
 97 };
 98 #endif
 99 
100 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
101 static struct mtd_partition stamp_partitions[] = {
102         {
103                 .name   = "bootloader(nor)",
104                 .size   = 0x40000,
105                 .offset = 0,
106         }, {
107                 .name   = "linux kernel(nor)",
108                 .size   = 0x180000,
109                 .offset = MTDPART_OFS_APPEND,
110         }, {
111                 .name   = "file system(nor)",
112                 .size   = MTDPART_SIZ_FULL,
113                 .offset = MTDPART_OFS_APPEND,
114         }
115 };
116 
117 static struct physmap_flash_data stamp_flash_data = {
118         .width    = 2,
119         .parts    = stamp_partitions,
120         .nr_parts = ARRAY_SIZE(stamp_partitions),
121 };
122 
123 static struct resource stamp_flash_resource[] = {
124         {
125                 .name  = "cfi_probe",
126                 .start = 0x20000000,
127                 .end   = 0x203fffff,
128                 .flags = IORESOURCE_MEM,
129         }, {
130                 .start = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
131                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
132                 .flags = IORESOURCE_MEM,
133         }, {
134                 .start = GPIO_PF0,
135                 .flags = IORESOURCE_IRQ,
136         }
137 };
138 
139 static struct platform_device stamp_flash_device = {
140         .name          = "bfin-async-flash",
141         .id            = 0,
142         .dev = {
143                 .platform_data = &stamp_flash_data,
144         },
145         .num_resources = ARRAY_SIZE(stamp_flash_resource),
146         .resource      = stamp_flash_resource,
147 };
148 #endif
149 
150 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
151 static struct mtd_partition bfin_spi_flash_partitions[] = {
152         {
153                 .name = "bootloader(spi)",
154                 .size = 0x00040000,
155                 .offset = 0,
156                 .mask_flags = MTD_CAP_ROM
157         }, {
158                 .name = "linux kernel(spi)",
159                 .size = 0x180000,
160                 .offset = MTDPART_OFS_APPEND,
161         }, {
162                 .name = "file system(spi)",
163                 .size = MTDPART_SIZ_FULL,
164                 .offset = MTDPART_OFS_APPEND,
165         }
166 };
167 
168 static struct flash_platform_data bfin_spi_flash_data = {
169         .name = "m25p80",
170         .parts = bfin_spi_flash_partitions,
171         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
172         .type = "m25p64",
173 };
174 
175 /* SPI flash chip (m25p64) */
176 static struct bfin5xx_spi_chip spi_flash_chip_info = {
177         .enable_dma = 0,         /* use dma transfer with this chip*/
178 };
179 #endif
180 
181 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
182 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
183 static int bfin_mmc_spi_init(struct device *dev,
184         irqreturn_t (*detect_int)(int, void *), void *data)
185 {
186         return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
187                 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
188                 "mmc-spi-detect", data);
189 }
190 
191 static void bfin_mmc_spi_exit(struct device *dev, void *data)
192 {
193         free_irq(MMC_SPI_CARD_DETECT_INT, data);
194 }
195 
196 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
197         .init = bfin_mmc_spi_init,
198         .exit = bfin_mmc_spi_exit,
199         .detect_delay = 100, /* msecs */
200 };
201 
202 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
203         .enable_dma = 0,
204         .pio_interrupt = 0,
205 };
206 #endif
207 
208 static struct spi_board_info bfin_spi_board_info[] __initdata = {
209 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
210         {
211                 /* the modalias must be the same as spi device driver name */
212                 .modalias = "m25p80", /* Name of spi_driver for this device */
213                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
214                 .bus_num = 0, /* Framework bus number */
215                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
216                 .platform_data = &bfin_spi_flash_data,
217                 .controller_data = &spi_flash_chip_info,
218                 .mode = SPI_MODE_3,
219         },
220 #endif
221 
222 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
223         {
224                 .modalias = "ad183x",
225                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
226                 .bus_num = 0,
227                 .chip_select = 4,
228                 .platform_data = "ad1836", /* only includes chip name for the moment */
229                 .mode = SPI_MODE_3,
230         },
231 #endif
232 
233 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
234         {
235                 .modalias = "spidev",
236                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
237                 .bus_num = 0,
238                 .chip_select = 1,
239         },
240 #endif
241 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
242         {
243                 .modalias = "mmc_spi",
244                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
245                 .bus_num = 0,
246                 .chip_select = 4,
247                 .platform_data = &bfin_mmc_spi_pdata,
248                 .controller_data = &mmc_spi_chip_info,
249                 .mode = SPI_MODE_3,
250         },
251 #endif
252 };
253 
254 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
255 /* SPI (0) */
256 static struct resource bfin_spi0_resource[] = {
257         [0] = {
258                 .start = SPI0_REGBASE,
259                 .end   = SPI0_REGBASE + 0xFF,
260                 .flags = IORESOURCE_MEM,
261         },
262         [1] = {
263                 .start = CH_SPI,
264                 .end   = CH_SPI,
265                 .flags = IORESOURCE_DMA,
266         },
267         [2] = {
268                 .start = IRQ_SPI,
269                 .end   = IRQ_SPI,
270                 .flags = IORESOURCE_IRQ,
271         }
272 };
273 
274 /* SPI controller data */
275 static struct bfin5xx_spi_master bfin_spi0_info = {
276         .num_chipselect = 8,
277         .enable_dma = 1,  /* master has the ability to do dma transfer */
278         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
279 };
280 
281 static struct platform_device bfin_spi0_device = {
282         .name = "bfin-spi",
283         .id = 0, /* Bus number */
284         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
285         .resource = bfin_spi0_resource,
286         .dev = {
287                 .platform_data = &bfin_spi0_info, /* Passed to driver */
288         },
289 };
290 #endif  /* spi master and devices */
291 
292 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
293 #ifdef CONFIG_SERIAL_BFIN_UART0
294 static struct resource bfin_uart0_resources[] = {
295         {
296                 .start = BFIN_UART_THR,
297                 .end = BFIN_UART_GCTL+2,
298                 .flags = IORESOURCE_MEM,
299         },
300         {
301                 .start = IRQ_UART0_TX,
302                 .end = IRQ_UART0_TX,
303                 .flags = IORESOURCE_IRQ,
304         },
305         {
306                 .start = IRQ_UART0_RX,
307                 .end = IRQ_UART0_RX,
308                 .flags = IORESOURCE_IRQ,
309         },
310         {
311                 .start = IRQ_UART0_ERROR,
312                 .end = IRQ_UART0_ERROR,
313                 .flags = IORESOURCE_IRQ,
314         },
315         {
316                 .start = CH_UART0_TX,
317                 .end = CH_UART0_TX,
318                 .flags = IORESOURCE_DMA,
319         },
320         {
321                 .start = CH_UART0_RX,
322                 .end = CH_UART0_RX,
323                 .flags = IORESOURCE_DMA,
324         },
325 };
326 
327 static unsigned short bfin_uart0_peripherals[] = {
328         P_UART0_TX, P_UART0_RX, 0
329 };
330 
331 static struct platform_device bfin_uart0_device = {
332         .name = "bfin-uart",
333         .id = 0,
334         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
335         .resource = bfin_uart0_resources,
336         .dev = {
337                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
338         },
339 };
340 #endif
341 #endif
342 
343 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
344 #ifdef CONFIG_BFIN_SIR0
345 static struct resource bfin_sir0_resources[] = {
346         {
347                 .start = 0xFFC00400,
348                 .end = 0xFFC004FF,
349                 .flags = IORESOURCE_MEM,
350         },
351         {
352                 .start = IRQ_UART0_RX,
353                 .end = IRQ_UART0_RX+1,
354                 .flags = IORESOURCE_IRQ,
355         },
356         {
357                 .start = CH_UART0_RX,
358                 .end = CH_UART0_RX+1,
359                 .flags = IORESOURCE_DMA,
360         },
361 };
362 
363 static struct platform_device bfin_sir0_device = {
364         .name = "bfin_sir",
365         .id = 0,
366         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
367         .resource = bfin_sir0_resources,
368 };
369 #endif
370 #endif
371 
372 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
373 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
374 static struct resource bfin_sport0_uart_resources[] = {
375         {
376                 .start = SPORT0_TCR1,
377                 .end = SPORT0_MRCS3+4,
378                 .flags = IORESOURCE_MEM,
379         },
380         {
381                 .start = IRQ_SPORT0_RX,
382                 .end = IRQ_SPORT0_RX+1,
383                 .flags = IORESOURCE_IRQ,
384         },
385         {
386                 .start = IRQ_SPORT0_ERROR,
387                 .end = IRQ_SPORT0_ERROR,
388                 .flags = IORESOURCE_IRQ,
389         },
390 };
391 
392 static unsigned short bfin_sport0_peripherals[] = {
393         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
394         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
395 };
396 
397 static struct platform_device bfin_sport0_uart_device = {
398         .name = "bfin-sport-uart",
399         .id = 0,
400         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
401         .resource = bfin_sport0_uart_resources,
402         .dev = {
403                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
404         },
405 };
406 #endif
407 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
408 static struct resource bfin_sport1_uart_resources[] = {
409         {
410                 .start = SPORT1_TCR1,
411                 .end = SPORT1_MRCS3+4,
412                 .flags = IORESOURCE_MEM,
413         },
414         {
415                 .start = IRQ_SPORT1_RX,
416                 .end = IRQ_SPORT1_RX+1,
417                 .flags = IORESOURCE_IRQ,
418         },
419         {
420                 .start = IRQ_SPORT1_ERROR,
421                 .end = IRQ_SPORT1_ERROR,
422                 .flags = IORESOURCE_IRQ,
423         },
424 };
425 
426 static unsigned short bfin_sport1_peripherals[] = {
427         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
428         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
429 };
430 
431 static struct platform_device bfin_sport1_uart_device = {
432         .name = "bfin-sport-uart",
433         .id = 1,
434         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
435         .resource = bfin_sport1_uart_resources,
436         .dev = {
437                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
438         },
439 };
440 #endif
441 #endif
442 
443 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
444 #include <linux/input.h>
445 #include <linux/gpio_keys.h>
446 
447 static struct gpio_keys_button bfin_gpio_keys_table[] = {
448         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
449         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
450         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
451 };
452 
453 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
454         .buttons        = bfin_gpio_keys_table,
455         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
456 };
457 
458 static struct platform_device bfin_device_gpiokeys = {
459         .name      = "gpio-keys",
460         .dev = {
461                 .platform_data = &bfin_gpio_keys_data,
462         },
463 };
464 #endif
465 
466 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
467 #include <linux/i2c-gpio.h>
468 
469 static struct i2c_gpio_platform_data i2c_gpio_data = {
470         .sda_pin                = GPIO_PF2,
471         .scl_pin                = GPIO_PF3,
472         .sda_is_open_drain      = 0,
473         .scl_is_open_drain      = 0,
474         .udelay                 = 40,
475 };
476 
477 static struct platform_device i2c_gpio_device = {
478         .name           = "i2c-gpio",
479         .id             = 0,
480         .dev            = {
481                 .platform_data  = &i2c_gpio_data,
482         },
483 };
484 #endif
485 
486 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
487 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
488         {
489                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
490                 .irq = 39,
491         },
492 #endif
493 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
494         {
495                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
496         },
497 #endif
498 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
499         {
500                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
501                 .irq = 39,
502         },
503 #endif
504 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
505         {
506                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
507         },
508 #endif
509 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
510         {
511                 I2C_BOARD_INFO("ad5252", 0x2f),
512         },
513 #endif
514 };
515 
516 static const unsigned int cclk_vlev_datasheet[] =
517 {
518         VRPAIR(VLEV_085, 250000000),
519         VRPAIR(VLEV_090, 376000000),
520         VRPAIR(VLEV_095, 426000000),
521         VRPAIR(VLEV_100, 426000000),
522         VRPAIR(VLEV_105, 476000000),
523         VRPAIR(VLEV_110, 476000000),
524         VRPAIR(VLEV_115, 476000000),
525         VRPAIR(VLEV_120, 600000000),
526         VRPAIR(VLEV_125, 600000000),
527         VRPAIR(VLEV_130, 600000000),
528 };
529 
530 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
531         .tuple_tab = cclk_vlev_datasheet,
532         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
533         .vr_settling_time = 25 /* us */,
534 };
535 
536 static struct platform_device bfin_dpmc = {
537         .name = "bfin dpmc",
538         .dev = {
539                 .platform_data = &bfin_dmpc_vreg_data,
540         },
541 };
542 
543 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
544 static struct platform_device bfin_i2s = {
545         .name = "bfin-i2s",
546         .id = CONFIG_SND_BF5XX_SPORT_NUM,
547         /* TODO: add platform data here */
548 };
549 #endif
550 
551 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
552 static struct platform_device bfin_tdm = {
553         .name = "bfin-tdm",
554         .id = CONFIG_SND_BF5XX_SPORT_NUM,
555         /* TODO: add platform data here */
556 };
557 #endif
558 
559 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
560 static struct platform_device bfin_ac97 = {
561         .name = "bfin-ac97",
562         .id = CONFIG_SND_BF5XX_SPORT_NUM,
563         /* TODO: add platform data here */
564 };
565 #endif
566 
567 static struct platform_device *stamp_devices[] __initdata = {
568 
569         &bfin_dpmc,
570 
571 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
572         &rtc_device,
573 #endif
574 
575 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
576         &smc91x_device,
577 #endif
578 
579 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
580         &net2272_bfin_device,
581 #endif
582 
583 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
584         &bfin_spi0_device,
585 #endif
586 
587 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
588 #ifdef CONFIG_SERIAL_BFIN_UART0
589         &bfin_uart0_device,
590 #endif
591 #endif
592 
593 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
594 #ifdef CONFIG_BFIN_SIR0
595         &bfin_sir0_device,
596 #endif
597 #endif
598 
599 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
600 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
601         &bfin_sport0_uart_device,
602 #endif
603 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
604         &bfin_sport1_uart_device,
605 #endif
606 #endif
607 
608 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
609         &bfin_device_gpiokeys,
610 #endif
611 
612 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
613         &i2c_gpio_device,
614 #endif
615 
616 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
617         &stamp_flash_device,
618 #endif
619 
620 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
621         &bfin_i2s,
622 #endif
623 
624 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
625         &bfin_tdm,
626 #endif
627 
628 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
629         &bfin_ac97,
630 #endif
631 };
632 
633 static int __init net2272_init(void)
634 {
635 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
636         int ret;
637 
638         /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
639         ret = gpio_request(GPIO_PF0, "net2272");
640         if (ret)
641                 return ret;
642 
643         ret = gpio_request(GPIO_PF1, "net2272");
644         if (ret) {
645                 gpio_free(GPIO_PF0);
646                 return ret;
647         }
648 
649         ret = gpio_request(GPIO_PF11, "net2272");
650         if (ret) {
651                 gpio_free(GPIO_PF0);
652                 gpio_free(GPIO_PF1);
653                 return ret;
654         }
655 
656         gpio_direction_output(GPIO_PF0, 0);
657         gpio_direction_output(GPIO_PF1, 1);
658 
659         /* Reset the USB chip */
660         gpio_direction_output(GPIO_PF11, 0);
661         mdelay(2);
662         gpio_set_value(GPIO_PF11, 1);
663 #endif
664 
665         return 0;
666 }
667 
668 static int __init stamp_init(void)
669 {
670         int ret;
671 
672         printk(KERN_INFO "%s(): registering device resources\n", __func__);
673 
674         i2c_register_board_info(0, bfin_i2c_board_info,
675                                 ARRAY_SIZE(bfin_i2c_board_info));
676 
677         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
678         if (ret < 0)
679                 return ret;
680 
681 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
682         /*
683          * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
684          * the bfin-async-map driver takes care of flipping between
685          * flash and ethernet when necessary.
686          */
687         ret = gpio_request(GPIO_PF0, "enet_cpld");
688         if (!ret) {
689                 gpio_direction_output(GPIO_PF0, 1);
690                 gpio_free(GPIO_PF0);
691         }
692 #endif
693 
694         if (net2272_init())
695                 pr_warning("unable to configure net2272; it probably won't work\n");
696 
697         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
698         return 0;
699 }
700 
701 arch_initcall(stamp_init);
702 
703 static struct platform_device *stamp_early_devices[] __initdata = {
704 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
705 #ifdef CONFIG_SERIAL_BFIN_UART0
706         &bfin_uart0_device,
707 #endif
708 #endif
709 
710 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
711 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
712         &bfin_sport0_uart_device,
713 #endif
714 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
715         &bfin_sport1_uart_device,
716 #endif
717 #endif
718 };
719 
720 void __init native_machine_early_platform_add_devices(void)
721 {
722         printk(KERN_INFO "register early platform devices\n");
723         early_platform_add_devices(stamp_early_devices,
724                 ARRAY_SIZE(stamp_early_devices));
725 }
726 
727 void native_machine_restart(char *cmd)
728 {
729         /* workaround pull up on cpld / flash pin not being strong enough */
730         gpio_request(GPIO_PF0, "flash_cpld");
731         gpio_direction_output(GPIO_PF0, 0);
732 }
733 

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