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.
9 #include <linux/device.h>
10 #include <linux/delay.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/spi/mmc_spi.h>
18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
19 #include <linux/usb/isp1362.h>
21 #include <linux/gpio.h>
22 #include <linux/irq.h>
23 #include <linux/i2c.h>
25 #include <asm/bfin5xx_spi.h>
26 #include <asm/reboot.h>
27 #include <asm/portmux.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name
[] = "ADI BF533-STAMP";
35 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
36 static struct platform_device rtc_device
= {
43 * Driver needs to know address, irq and flag pin.
45 #if IS_ENABLED(CONFIG_SMC91X)
46 #include <linux/smc91x.h>
48 static struct smc91x_platdata smc91x_info
= {
49 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
50 .leda
= RPC_LED_100_10
,
51 .ledb
= RPC_LED_TX_RX
,
54 static struct resource smc91x_resources
[] = {
56 .name
= "smc91x-regs",
58 .end
= 0x20300300 + 16,
59 .flags
= IORESOURCE_MEM
,
63 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
67 static struct platform_device smc91x_device
= {
70 .num_resources
= ARRAY_SIZE(smc91x_resources
),
71 .resource
= smc91x_resources
,
73 .platform_data
= &smc91x_info
,
78 #if IS_ENABLED(CONFIG_USB_NET2272)
79 static struct resource net2272_bfin_resources
[] = {
82 .end
= 0x20300000 + 0x100,
83 .flags
= IORESOURCE_MEM
,
86 .flags
= IORESOURCE_BUS
,
90 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
94 static struct platform_device net2272_bfin_device
= {
97 .num_resources
= ARRAY_SIZE(net2272_bfin_resources
),
98 .resource
= net2272_bfin_resources
,
102 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
103 static struct mtd_partition stamp_partitions
[] = {
105 .name
= "bootloader(nor)",
109 .name
= "linux kernel(nor)",
111 .offset
= MTDPART_OFS_APPEND
,
113 .name
= "file system(nor)",
114 .size
= MTDPART_SIZ_FULL
,
115 .offset
= MTDPART_OFS_APPEND
,
119 static struct physmap_flash_data stamp_flash_data
= {
121 .parts
= stamp_partitions
,
122 .nr_parts
= ARRAY_SIZE(stamp_partitions
),
125 static struct resource stamp_flash_resource
[] = {
130 .flags
= IORESOURCE_MEM
,
132 .start
= 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
133 .end
= 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
134 .flags
= IORESOURCE_MEM
,
137 .flags
= IORESOURCE_IRQ
,
141 static struct platform_device stamp_flash_device
= {
142 .name
= "bfin-async-flash",
145 .platform_data
= &stamp_flash_data
,
147 .num_resources
= ARRAY_SIZE(stamp_flash_resource
),
148 .resource
= stamp_flash_resource
,
152 #if IS_ENABLED(CONFIG_MTD_M25P80)
153 static struct mtd_partition bfin_spi_flash_partitions
[] = {
155 .name
= "bootloader(spi)",
158 .mask_flags
= MTD_CAP_ROM
160 .name
= "linux kernel(spi)",
162 .offset
= MTDPART_OFS_APPEND
,
164 .name
= "file system(spi)",
165 .size
= MTDPART_SIZ_FULL
,
166 .offset
= MTDPART_OFS_APPEND
,
170 static struct flash_platform_data bfin_spi_flash_data
= {
172 .parts
= bfin_spi_flash_partitions
,
173 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
177 /* SPI flash chip (m25p64) */
178 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
179 .enable_dma
= 0, /* use dma transfer with this chip*/
183 #if IS_ENABLED(CONFIG_MMC_SPI)
184 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
185 static int bfin_mmc_spi_init(struct device
*dev
,
186 irqreturn_t (*detect_int
)(int, void *), void *data
)
188 return request_irq(MMC_SPI_CARD_DETECT_INT
, detect_int
,
189 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
190 "mmc-spi-detect", data
);
193 static void bfin_mmc_spi_exit(struct device
*dev
, void *data
)
195 free_irq(MMC_SPI_CARD_DETECT_INT
, data
);
198 static struct mmc_spi_platform_data bfin_mmc_spi_pdata
= {
199 .init
= bfin_mmc_spi_init
,
200 .exit
= bfin_mmc_spi_exit
,
201 .detect_delay
= 100, /* msecs */
204 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
210 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
211 #if IS_ENABLED(CONFIG_MTD_M25P80)
213 /* the modalias must be the same as spi device driver name */
214 .modalias
= "m25p80", /* Name of spi_driver for this device */
215 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
216 .bus_num
= 0, /* Framework bus number */
217 .chip_select
= 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
218 .platform_data
= &bfin_spi_flash_data
,
219 .controller_data
= &spi_flash_chip_info
,
224 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
226 .modalias
= "ad1836",
227 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
230 .platform_data
= "ad1836", /* only includes chip name for the moment */
235 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
237 .modalias
= "spidev",
238 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
243 #if IS_ENABLED(CONFIG_MMC_SPI)
245 .modalias
= "mmc_spi",
246 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
249 .platform_data
= &bfin_mmc_spi_pdata
,
250 .controller_data
= &mmc_spi_chip_info
,
256 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
258 static struct resource bfin_spi0_resource
[] = {
260 .start
= SPI0_REGBASE
,
261 .end
= SPI0_REGBASE
+ 0xFF,
262 .flags
= IORESOURCE_MEM
,
267 .flags
= IORESOURCE_DMA
,
272 .flags
= IORESOURCE_IRQ
,
276 /* SPI controller data */
277 static struct bfin5xx_spi_master bfin_spi0_info
= {
279 .enable_dma
= 1, /* master has the ability to do dma transfer */
280 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
283 static struct platform_device bfin_spi0_device
= {
285 .id
= 0, /* Bus number */
286 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
287 .resource
= bfin_spi0_resource
,
289 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
292 #endif /* spi master and devices */
294 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
295 #ifdef CONFIG_SERIAL_BFIN_UART0
296 static struct resource bfin_uart0_resources
[] = {
298 .start
= BFIN_UART_THR
,
299 .end
= BFIN_UART_GCTL
+2,
300 .flags
= IORESOURCE_MEM
,
303 .start
= IRQ_UART0_TX
,
305 .flags
= IORESOURCE_IRQ
,
308 .start
= IRQ_UART0_RX
,
310 .flags
= IORESOURCE_IRQ
,
313 .start
= IRQ_UART0_ERROR
,
314 .end
= IRQ_UART0_ERROR
,
315 .flags
= IORESOURCE_IRQ
,
318 .start
= CH_UART0_TX
,
320 .flags
= IORESOURCE_DMA
,
323 .start
= CH_UART0_RX
,
325 .flags
= IORESOURCE_DMA
,
329 static unsigned short bfin_uart0_peripherals
[] = {
330 P_UART0_TX
, P_UART0_RX
, 0
333 static struct platform_device bfin_uart0_device
= {
336 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
337 .resource
= bfin_uart0_resources
,
339 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
345 #if IS_ENABLED(CONFIG_BFIN_SIR)
346 #ifdef CONFIG_BFIN_SIR0
347 static struct resource bfin_sir0_resources
[] = {
351 .flags
= IORESOURCE_MEM
,
354 .start
= IRQ_UART0_RX
,
355 .end
= IRQ_UART0_RX
+1,
356 .flags
= IORESOURCE_IRQ
,
359 .start
= CH_UART0_RX
,
360 .end
= CH_UART0_RX
+1,
361 .flags
= IORESOURCE_DMA
,
365 static struct platform_device bfin_sir0_device
= {
368 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
369 .resource
= bfin_sir0_resources
,
374 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
375 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
376 static struct resource bfin_sport0_uart_resources
[] = {
378 .start
= SPORT0_TCR1
,
379 .end
= SPORT0_MRCS3
+4,
380 .flags
= IORESOURCE_MEM
,
383 .start
= IRQ_SPORT0_RX
,
384 .end
= IRQ_SPORT0_RX
+1,
385 .flags
= IORESOURCE_IRQ
,
388 .start
= IRQ_SPORT0_ERROR
,
389 .end
= IRQ_SPORT0_ERROR
,
390 .flags
= IORESOURCE_IRQ
,
394 static unsigned short bfin_sport0_peripherals
[] = {
395 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
396 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
399 static struct platform_device bfin_sport0_uart_device
= {
400 .name
= "bfin-sport-uart",
402 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
403 .resource
= bfin_sport0_uart_resources
,
405 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
409 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
410 static struct resource bfin_sport1_uart_resources
[] = {
412 .start
= SPORT1_TCR1
,
413 .end
= SPORT1_MRCS3
+4,
414 .flags
= IORESOURCE_MEM
,
417 .start
= IRQ_SPORT1_RX
,
418 .end
= IRQ_SPORT1_RX
+1,
419 .flags
= IORESOURCE_IRQ
,
422 .start
= IRQ_SPORT1_ERROR
,
423 .end
= IRQ_SPORT1_ERROR
,
424 .flags
= IORESOURCE_IRQ
,
428 static unsigned short bfin_sport1_peripherals
[] = {
429 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
430 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
433 static struct platform_device bfin_sport1_uart_device
= {
434 .name
= "bfin-sport-uart",
436 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
437 .resource
= bfin_sport1_uart_resources
,
439 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
445 #if IS_ENABLED(CONFIG_BFIN_SPORT)
446 static struct resource bfin_sport0_resources
[] = {
448 .start
= SPORT0_TCR1
,
449 .end
= SPORT0_MRCS3
+4,
450 .flags
= IORESOURCE_MEM
,
453 .start
= IRQ_SPORT0_TX
,
454 .end
= IRQ_SPORT0_TX
+1,
455 .flags
= IORESOURCE_IRQ
,
458 .start
= IRQ_SPORT0_RX
,
459 .end
= IRQ_SPORT0_RX
+1,
460 .flags
= IORESOURCE_IRQ
,
463 .start
= IRQ_SPORT0_ERROR
,
464 .end
= IRQ_SPORT0_ERROR
,
465 .flags
= IORESOURCE_IRQ
,
468 .start
= CH_SPORT0_TX
,
470 .flags
= IORESOURCE_DMA
,
473 .start
= CH_SPORT0_RX
,
475 .flags
= IORESOURCE_DMA
,
478 static struct platform_device bfin_sport0_device
= {
479 .name
= "bfin_sport_raw",
481 .num_resources
= ARRAY_SIZE(bfin_sport0_resources
),
482 .resource
= bfin_sport0_resources
,
484 .platform_data
= &bfin_sport0_peripherals
,
489 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
490 #include <linux/input.h>
491 #include <linux/gpio_keys.h>
493 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
494 {BTN_0
, GPIO_PF5
, 0, "gpio-keys: BTN0"},
495 {BTN_1
, GPIO_PF6
, 0, "gpio-keys: BTN1"},
496 {BTN_2
, GPIO_PF8
, 0, "gpio-keys: BTN2"},
499 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
500 .buttons
= bfin_gpio_keys_table
,
501 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
504 static struct platform_device bfin_device_gpiokeys
= {
507 .platform_data
= &bfin_gpio_keys_data
,
512 #if IS_ENABLED(CONFIG_I2C_GPIO)
513 #include <linux/i2c-gpio.h>
515 static struct i2c_gpio_platform_data i2c_gpio_data
= {
518 .sda_is_open_drain
= 0,
519 .scl_is_open_drain
= 0,
523 static struct platform_device i2c_gpio_device
= {
527 .platform_data
= &i2c_gpio_data
,
532 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
533 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
535 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
539 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
541 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
544 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
546 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
550 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
552 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
555 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
557 I2C_BOARD_INFO("ad5252", 0x2f),
562 static const unsigned int cclk_vlev_datasheet
[] =
564 VRPAIR(VLEV_085
, 250000000),
565 VRPAIR(VLEV_090
, 376000000),
566 VRPAIR(VLEV_095
, 426000000),
567 VRPAIR(VLEV_100
, 426000000),
568 VRPAIR(VLEV_105
, 476000000),
569 VRPAIR(VLEV_110
, 476000000),
570 VRPAIR(VLEV_115
, 476000000),
571 VRPAIR(VLEV_120
, 600000000),
572 VRPAIR(VLEV_125
, 600000000),
573 VRPAIR(VLEV_130
, 600000000),
576 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
577 .tuple_tab
= cclk_vlev_datasheet
,
578 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
579 .vr_settling_time
= 25 /* us */,
582 static struct platform_device bfin_dpmc
= {
585 .platform_data
= &bfin_dmpc_vreg_data
,
589 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
590 IS_ENABLED(CONFIG_SND_BF5XX_AC97)
592 #include <asm/bfin_sport.h>
594 #define SPORT_REQ(x) \
595 [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
596 P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
598 static const u16 bfin_snd_pin
[][7] = {
603 static struct bfin_snd_platform_data bfin_snd_data
[] = {
605 .pin_req
= &bfin_snd_pin
[0][0],
608 .pin_req
= &bfin_snd_pin
[1][0],
612 #define BFIN_SND_RES(x) \
615 .start = SPORT##x##_TCR1, \
616 .end = SPORT##x##_TCR1, \
617 .flags = IORESOURCE_MEM \
620 .start = CH_SPORT##x##_RX, \
621 .end = CH_SPORT##x##_RX, \
622 .flags = IORESOURCE_DMA, \
625 .start = CH_SPORT##x##_TX, \
626 .end = CH_SPORT##x##_TX, \
627 .flags = IORESOURCE_DMA, \
630 .start = IRQ_SPORT##x##_ERROR, \
631 .end = IRQ_SPORT##x##_ERROR, \
632 .flags = IORESOURCE_IRQ, \
636 static struct resource bfin_snd_resources
[][4] = {
642 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
643 static struct platform_device bfin_i2s_pcm
= {
644 .name
= "bfin-i2s-pcm-audio",
649 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
650 static struct platform_device bfin_ac97_pcm
= {
651 .name
= "bfin-ac97-pcm-audio",
656 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
657 static const char * const ad1836_link
[] = {
661 static struct platform_device bfin_ad1836_machine
= {
662 .name
= "bfin-snd-ad1836",
665 .platform_data
= (void *)ad1836_link
,
670 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
671 static const unsigned ad73311_gpio
[] = {
675 static struct platform_device bfin_ad73311_machine
= {
676 .name
= "bfin-snd-ad73311",
679 .platform_data
= (void *)ad73311_gpio
,
684 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
685 static struct platform_device bfin_ad73311_codec_device
= {
691 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
692 static struct platform_device bfin_ad74111_codec_device
= {
698 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
699 static struct platform_device bfin_i2s
= {
701 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
703 ARRAY_SIZE(bfin_snd_resources
[CONFIG_SND_BF5XX_SPORT_NUM
]),
704 .resource
= bfin_snd_resources
[CONFIG_SND_BF5XX_SPORT_NUM
],
706 .platform_data
= &bfin_snd_data
[CONFIG_SND_BF5XX_SPORT_NUM
],
711 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
712 static struct platform_device bfin_ac97
= {
714 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
716 ARRAY_SIZE(bfin_snd_resources
[CONFIG_SND_BF5XX_SPORT_NUM
]),
717 .resource
= bfin_snd_resources
[CONFIG_SND_BF5XX_SPORT_NUM
],
719 .platform_data
= &bfin_snd_data
[CONFIG_SND_BF5XX_SPORT_NUM
],
724 static struct platform_device
*stamp_devices
[] __initdata
= {
728 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
732 #if IS_ENABLED(CONFIG_SMC91X)
736 #if IS_ENABLED(CONFIG_USB_NET2272)
737 &net2272_bfin_device
,
740 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
744 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
745 #ifdef CONFIG_SERIAL_BFIN_UART0
750 #if IS_ENABLED(CONFIG_BFIN_SIR)
751 #ifdef CONFIG_BFIN_SIR0
756 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
757 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
758 &bfin_sport0_uart_device
,
760 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
761 &bfin_sport1_uart_device
,
765 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
766 &bfin_device_gpiokeys
,
769 #if IS_ENABLED(CONFIG_I2C_GPIO)
773 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
777 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
781 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
785 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
786 &bfin_ad1836_machine
,
789 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
790 &bfin_ad73311_machine
,
793 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
794 &bfin_ad73311_codec_device
,
797 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
798 &bfin_ad74111_codec_device
,
801 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
805 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
810 static int __init
net2272_init(void)
812 #if IS_ENABLED(CONFIG_USB_NET2272)
815 /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
816 ret
= gpio_request(GPIO_PF0
, "net2272");
820 ret
= gpio_request(GPIO_PF1
, "net2272");
826 ret
= gpio_request(GPIO_PF11
, "net2272");
833 gpio_direction_output(GPIO_PF0
, 0);
834 gpio_direction_output(GPIO_PF1
, 1);
836 /* Reset the USB chip */
837 gpio_direction_output(GPIO_PF11
, 0);
839 gpio_set_value(GPIO_PF11
, 1);
845 static int __init
stamp_init(void)
849 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
851 i2c_register_board_info(0, bfin_i2c_board_info
,
852 ARRAY_SIZE(bfin_i2c_board_info
));
854 ret
= platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
858 #if IS_ENABLED(CONFIG_SMC91X)
860 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
861 * the bfin-async-map driver takes care of flipping between
862 * flash and ethernet when necessary.
864 ret
= gpio_request(GPIO_PF0
, "enet_cpld");
866 gpio_direction_output(GPIO_PF0
, 1);
872 pr_warning("unable to configure net2272; it probably won't work\n");
874 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
878 arch_initcall(stamp_init
);
880 static struct platform_device
*stamp_early_devices
[] __initdata
= {
881 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
882 #ifdef CONFIG_SERIAL_BFIN_UART0
887 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
888 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
889 &bfin_sport0_uart_device
,
891 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
892 &bfin_sport1_uart_device
,
897 void __init
native_machine_early_platform_add_devices(void)
899 printk(KERN_INFO
"register early platform devices\n");
900 early_platform_add_devices(stamp_early_devices
,
901 ARRAY_SIZE(stamp_early_devices
));
904 void native_machine_restart(char *cmd
)
906 /* workaround pull up on cpld / flash pin not being strong enough */
907 gpio_request(GPIO_PF0
, "flash_cpld");
908 gpio_direction_output(GPIO_PF0
, 0);