PCI / PM: Block races between runtime PM and system sleep
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / blackfin / mach-bf533 / boards / stamp.c
blob43224ef00b8cddff96024a89d791e08cfe39a9db
1 /*
2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
6 * Licensed under the GPL-2 or later.
7 */
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>
29 * Name the Board for the /proc/cpuinfo
31 const char bfin_board_name[] = "ADI BF533-STAMP";
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,
38 #endif
41 * Driver needs to know address, irq and flag pin.
43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44 #include <linux/smc91x.h>
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,
52 static struct resource smc91x_resources[] = {
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,
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,
74 #endif
76 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
77 static struct resource net2272_bfin_resources[] = {
79 .start = 0x20300000,
80 .end = 0x20300000 + 0x100,
81 .flags = IORESOURCE_MEM,
82 }, {
83 .start = IRQ_PF10,
84 .end = IRQ_PF10,
85 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
89 static struct platform_device net2272_bfin_device = {
90 .name = "net2272",
91 .id = -1,
92 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
93 .resource = net2272_bfin_resources,
95 #endif
97 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
98 static struct mtd_partition stamp_partitions[] = {
100 .name = "bootloader(nor)",
101 .size = 0x40000,
102 .offset = 0,
103 }, {
104 .name = "linux kernel(nor)",
105 .size = 0x180000,
106 .offset = MTDPART_OFS_APPEND,
107 }, {
108 .name = "file system(nor)",
109 .size = MTDPART_SIZ_FULL,
110 .offset = MTDPART_OFS_APPEND,
114 static struct physmap_flash_data stamp_flash_data = {
115 .width = 2,
116 .parts = stamp_partitions,
117 .nr_parts = ARRAY_SIZE(stamp_partitions),
120 static struct resource stamp_flash_resource[] = {
122 .name = "cfi_probe",
123 .start = 0x20000000,
124 .end = 0x203fffff,
125 .flags = IORESOURCE_MEM,
126 }, {
127 .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
128 .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
129 .flags = IORESOURCE_MEM,
130 }, {
131 .start = GPIO_PF0,
132 .flags = IORESOURCE_IRQ,
136 static struct platform_device stamp_flash_device = {
137 .name = "bfin-async-flash",
138 .id = 0,
139 .dev = {
140 .platform_data = &stamp_flash_data,
142 .num_resources = ARRAY_SIZE(stamp_flash_resource),
143 .resource = stamp_flash_resource,
145 #endif
147 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
148 static struct mtd_partition bfin_spi_flash_partitions[] = {
150 .name = "bootloader(spi)",
151 .size = 0x00040000,
152 .offset = 0,
153 .mask_flags = MTD_CAP_ROM
154 }, {
155 .name = "linux kernel(spi)",
156 .size = 0x180000,
157 .offset = MTDPART_OFS_APPEND,
158 }, {
159 .name = "file system(spi)",
160 .size = MTDPART_SIZ_FULL,
161 .offset = MTDPART_OFS_APPEND,
165 static struct flash_platform_data bfin_spi_flash_data = {
166 .name = "m25p80",
167 .parts = bfin_spi_flash_partitions,
168 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
169 .type = "m25p64",
172 /* SPI flash chip (m25p64) */
173 static struct bfin5xx_spi_chip spi_flash_chip_info = {
174 .enable_dma = 0, /* use dma transfer with this chip*/
175 .bits_per_word = 8,
177 #endif
179 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
180 /* SPI ADC chip */
181 static struct bfin5xx_spi_chip spi_adc_chip_info = {
182 .enable_dma = 1, /* use dma transfer with this chip*/
183 .bits_per_word = 16,
185 #endif
187 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
188 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
189 .enable_dma = 0,
190 .bits_per_word = 16,
192 #endif
194 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
195 static struct bfin5xx_spi_chip spidev_chip_info = {
196 .enable_dma = 0,
197 .bits_per_word = 8,
199 #endif
201 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
202 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
203 static int bfin_mmc_spi_init(struct device *dev,
204 irqreturn_t (*detect_int)(int, void *), void *data)
206 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
207 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
208 "mmc-spi-detect", data);
211 static void bfin_mmc_spi_exit(struct device *dev, void *data)
213 free_irq(MMC_SPI_CARD_DETECT_INT, data);
216 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
217 .init = bfin_mmc_spi_init,
218 .exit = bfin_mmc_spi_exit,
219 .detect_delay = 100, /* msecs */
222 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
223 .enable_dma = 0,
224 .bits_per_word = 8,
225 .pio_interrupt = 0,
227 #endif
229 static struct spi_board_info bfin_spi_board_info[] __initdata = {
230 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
232 /* the modalias must be the same as spi device driver name */
233 .modalias = "m25p80", /* Name of spi_driver for this device */
234 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
235 .bus_num = 0, /* Framework bus number */
236 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
237 .platform_data = &bfin_spi_flash_data,
238 .controller_data = &spi_flash_chip_info,
239 .mode = SPI_MODE_3,
241 #endif
243 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
245 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
246 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
247 .bus_num = 0, /* Framework bus number */
248 .chip_select = 1, /* Framework chip select. */
249 .platform_data = NULL, /* No spi_driver specific config */
250 .controller_data = &spi_adc_chip_info,
252 #endif
254 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
256 .modalias = "ad183x",
257 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
258 .bus_num = 0,
259 .chip_select = 4,
260 .platform_data = "ad1836", /* only includes chip name for the moment */
261 .controller_data = &ad1836_spi_chip_info,
262 .mode = SPI_MODE_3,
264 #endif
266 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
268 .modalias = "spidev",
269 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
270 .bus_num = 0,
271 .chip_select = 1,
272 .controller_data = &spidev_chip_info,
274 #endif
275 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
277 .modalias = "mmc_spi",
278 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
279 .bus_num = 0,
280 .chip_select = 4,
281 .platform_data = &bfin_mmc_spi_pdata,
282 .controller_data = &mmc_spi_chip_info,
283 .mode = SPI_MODE_3,
285 #endif
288 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
289 /* SPI (0) */
290 static struct resource bfin_spi0_resource[] = {
291 [0] = {
292 .start = SPI0_REGBASE,
293 .end = SPI0_REGBASE + 0xFF,
294 .flags = IORESOURCE_MEM,
296 [1] = {
297 .start = CH_SPI,
298 .end = CH_SPI,
299 .flags = IORESOURCE_DMA,
301 [2] = {
302 .start = IRQ_SPI,
303 .end = IRQ_SPI,
304 .flags = IORESOURCE_IRQ,
308 /* SPI controller data */
309 static struct bfin5xx_spi_master bfin_spi0_info = {
310 .num_chipselect = 8,
311 .enable_dma = 1, /* master has the ability to do dma transfer */
312 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
315 static struct platform_device bfin_spi0_device = {
316 .name = "bfin-spi",
317 .id = 0, /* Bus number */
318 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
319 .resource = bfin_spi0_resource,
320 .dev = {
321 .platform_data = &bfin_spi0_info, /* Passed to driver */
324 #endif /* spi master and devices */
326 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
327 #ifdef CONFIG_SERIAL_BFIN_UART0
328 static struct resource bfin_uart0_resources[] = {
330 .start = BFIN_UART_THR,
331 .end = BFIN_UART_GCTL+2,
332 .flags = IORESOURCE_MEM,
335 .start = IRQ_UART0_RX,
336 .end = IRQ_UART0_RX + 1,
337 .flags = IORESOURCE_IRQ,
340 .start = IRQ_UART0_ERROR,
341 .end = IRQ_UART0_ERROR,
342 .flags = IORESOURCE_IRQ,
345 .start = CH_UART0_TX,
346 .end = CH_UART0_TX,
347 .flags = IORESOURCE_DMA,
350 .start = CH_UART0_RX,
351 .end = CH_UART0_RX,
352 .flags = IORESOURCE_DMA,
356 static unsigned short bfin_uart0_peripherals[] = {
357 P_UART0_TX, P_UART0_RX, 0
360 static struct platform_device bfin_uart0_device = {
361 .name = "bfin-uart",
362 .id = 0,
363 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
364 .resource = bfin_uart0_resources,
365 .dev = {
366 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
369 #endif
370 #endif
372 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
373 #ifdef CONFIG_BFIN_SIR0
374 static struct resource bfin_sir0_resources[] = {
376 .start = 0xFFC00400,
377 .end = 0xFFC004FF,
378 .flags = IORESOURCE_MEM,
381 .start = IRQ_UART0_RX,
382 .end = IRQ_UART0_RX+1,
383 .flags = IORESOURCE_IRQ,
386 .start = CH_UART0_RX,
387 .end = CH_UART0_RX+1,
388 .flags = IORESOURCE_DMA,
392 static struct platform_device bfin_sir0_device = {
393 .name = "bfin_sir",
394 .id = 0,
395 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
396 .resource = bfin_sir0_resources,
398 #endif
399 #endif
401 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
402 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
403 static struct resource bfin_sport0_uart_resources[] = {
405 .start = SPORT0_TCR1,
406 .end = SPORT0_MRCS3+4,
407 .flags = IORESOURCE_MEM,
410 .start = IRQ_SPORT0_RX,
411 .end = IRQ_SPORT0_RX+1,
412 .flags = IORESOURCE_IRQ,
415 .start = IRQ_SPORT0_ERROR,
416 .end = IRQ_SPORT0_ERROR,
417 .flags = IORESOURCE_IRQ,
421 static unsigned short bfin_sport0_peripherals[] = {
422 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
423 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
426 static struct platform_device bfin_sport0_uart_device = {
427 .name = "bfin-sport-uart",
428 .id = 0,
429 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
430 .resource = bfin_sport0_uart_resources,
431 .dev = {
432 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
435 #endif
436 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
437 static struct resource bfin_sport1_uart_resources[] = {
439 .start = SPORT1_TCR1,
440 .end = SPORT1_MRCS3+4,
441 .flags = IORESOURCE_MEM,
444 .start = IRQ_SPORT1_RX,
445 .end = IRQ_SPORT1_RX+1,
446 .flags = IORESOURCE_IRQ,
449 .start = IRQ_SPORT1_ERROR,
450 .end = IRQ_SPORT1_ERROR,
451 .flags = IORESOURCE_IRQ,
455 static unsigned short bfin_sport1_peripherals[] = {
456 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
457 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
460 static struct platform_device bfin_sport1_uart_device = {
461 .name = "bfin-sport-uart",
462 .id = 1,
463 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
464 .resource = bfin_sport1_uart_resources,
465 .dev = {
466 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
469 #endif
470 #endif
472 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
473 #include <linux/input.h>
474 #include <linux/gpio_keys.h>
476 static struct gpio_keys_button bfin_gpio_keys_table[] = {
477 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
478 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
479 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
482 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
483 .buttons = bfin_gpio_keys_table,
484 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
487 static struct platform_device bfin_device_gpiokeys = {
488 .name = "gpio-keys",
489 .dev = {
490 .platform_data = &bfin_gpio_keys_data,
493 #endif
495 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
496 #include <linux/i2c-gpio.h>
498 static struct i2c_gpio_platform_data i2c_gpio_data = {
499 .sda_pin = GPIO_PF2,
500 .scl_pin = GPIO_PF3,
501 .sda_is_open_drain = 0,
502 .scl_is_open_drain = 0,
503 .udelay = 40,
506 static struct platform_device i2c_gpio_device = {
507 .name = "i2c-gpio",
508 .id = 0,
509 .dev = {
510 .platform_data = &i2c_gpio_data,
513 #endif
515 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
516 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
518 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
519 .irq = 39,
521 #endif
522 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
524 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
526 #endif
527 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
529 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
530 .irq = 39,
532 #endif
533 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
535 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
537 #endif
538 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
540 I2C_BOARD_INFO("ad5252", 0x2f),
542 #endif
545 static const unsigned int cclk_vlev_datasheet[] =
547 VRPAIR(VLEV_085, 250000000),
548 VRPAIR(VLEV_090, 376000000),
549 VRPAIR(VLEV_095, 426000000),
550 VRPAIR(VLEV_100, 426000000),
551 VRPAIR(VLEV_105, 476000000),
552 VRPAIR(VLEV_110, 476000000),
553 VRPAIR(VLEV_115, 476000000),
554 VRPAIR(VLEV_120, 600000000),
555 VRPAIR(VLEV_125, 600000000),
556 VRPAIR(VLEV_130, 600000000),
559 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
560 .tuple_tab = cclk_vlev_datasheet,
561 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
562 .vr_settling_time = 25 /* us */,
565 static struct platform_device bfin_dpmc = {
566 .name = "bfin dpmc",
567 .dev = {
568 .platform_data = &bfin_dmpc_vreg_data,
572 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
573 static struct platform_device bfin_i2s = {
574 .name = "bfin-i2s",
575 .id = CONFIG_SND_BF5XX_SPORT_NUM,
576 /* TODO: add platform data here */
578 #endif
580 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
581 static struct platform_device bfin_tdm = {
582 .name = "bfin-tdm",
583 .id = CONFIG_SND_BF5XX_SPORT_NUM,
584 /* TODO: add platform data here */
586 #endif
588 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
589 static struct platform_device bfin_ac97 = {
590 .name = "bfin-ac97",
591 .id = CONFIG_SND_BF5XX_SPORT_NUM,
592 /* TODO: add platform data here */
594 #endif
596 static struct platform_device *stamp_devices[] __initdata = {
598 &bfin_dpmc,
600 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
601 &rtc_device,
602 #endif
604 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
605 &smc91x_device,
606 #endif
608 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
609 &net2272_bfin_device,
610 #endif
612 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
613 &bfin_spi0_device,
614 #endif
616 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
617 #ifdef CONFIG_SERIAL_BFIN_UART0
618 &bfin_uart0_device,
619 #endif
620 #endif
622 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
623 #ifdef CONFIG_BFIN_SIR0
624 &bfin_sir0_device,
625 #endif
626 #endif
628 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
629 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
630 &bfin_sport0_uart_device,
631 #endif
632 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
633 &bfin_sport1_uart_device,
634 #endif
635 #endif
637 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
638 &bfin_device_gpiokeys,
639 #endif
641 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
642 &i2c_gpio_device,
643 #endif
645 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
646 &stamp_flash_device,
647 #endif
649 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
650 &bfin_i2s,
651 #endif
653 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
654 &bfin_tdm,
655 #endif
657 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
658 &bfin_ac97,
659 #endif
662 static int __init stamp_init(void)
664 int ret;
666 printk(KERN_INFO "%s(): registering device resources\n", __func__);
668 i2c_register_board_info(0, bfin_i2c_board_info,
669 ARRAY_SIZE(bfin_i2c_board_info));
671 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
672 if (ret < 0)
673 return ret;
675 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
677 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
678 * the bfin-async-map driver takes care of flipping between
679 * flash and ethernet when necessary.
681 ret = gpio_request(GPIO_PF0, "enet_cpld");
682 if (!ret) {
683 gpio_direction_output(GPIO_PF0, 1);
684 gpio_free(GPIO_PF0);
686 #endif
688 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
689 return 0;
692 arch_initcall(stamp_init);
694 static struct platform_device *stamp_early_devices[] __initdata = {
695 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
696 #ifdef CONFIG_SERIAL_BFIN_UART0
697 &bfin_uart0_device,
698 #endif
699 #endif
701 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
702 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
703 &bfin_sport0_uart_device,
704 #endif
705 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
706 &bfin_sport1_uart_device,
707 #endif
708 #endif
711 void __init native_machine_early_platform_add_devices(void)
713 printk(KERN_INFO "register early platform devices\n");
714 early_platform_add_devices(stamp_early_devices,
715 ARRAY_SIZE(stamp_early_devices));
718 void native_machine_restart(char *cmd)
720 /* workaround pull up on cpld / flash pin not being strong enough */
721 gpio_request(GPIO_PF0, "flash_cpld");
722 gpio_direction_output(GPIO_PF0, 0);