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diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
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1/*
2 * File: arch/blackfin/mach-bf518/boards/ezbrd.c
3 * Based on: arch/blackfin/mach-bf527/boards/ezbrd.c
4 * Author: Bryan Wu <cooloney@kernel.org>
5 *
6 * Created:
7 * Description:
8 *
9 * Modified:
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2008 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
39#include <linux/i2c.h>
40#include <linux/irq.h>
41#include <linux/interrupt.h>
42#include <asm/dma.h>
43#include <asm/bfin5xx_spi.h>
44#include <asm/reboot.h>
45#include <asm/portmux.h>
46#include <asm/dpmc.h>
47#include <asm/bfin_sdh.h>
48#include <linux/spi/ad7877.h>
49
50/*
51 * Name the Board for the /proc/cpuinfo
52 */
53const char bfin_board_name[] = "ADI BF518F-EZBRD";
54
55/*
56 * Driver needs to know address, irq and flag pin.
57 */
58
59#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
60static struct mtd_partition ezbrd_partitions[] = {
61 {
62 .name = "bootloader(nor)",
63 .size = 0x40000,
64 .offset = 0,
65 }, {
66 .name = "linux kernel(nor)",
67 .size = 0x1C0000,
68 .offset = MTDPART_OFS_APPEND,
69 }, {
70 .name = "file system(nor)",
71 .size = MTDPART_SIZ_FULL,
72 .offset = MTDPART_OFS_APPEND,
73 }
74};
75
76static struct physmap_flash_data ezbrd_flash_data = {
77 .width = 2,
78 .parts = ezbrd_partitions,
79 .nr_parts = ARRAY_SIZE(ezbrd_partitions),
80};
81
82static struct resource ezbrd_flash_resource = {
83 .start = 0x20000000,
84 .end = 0x203fffff,
85 .flags = IORESOURCE_MEM,
86};
87
88static struct platform_device ezbrd_flash_device = {
89 .name = "physmap-flash",
90 .id = 0,
91 .dev = {
92 .platform_data = &ezbrd_flash_data,
93 },
94 .num_resources = 1,
95 .resource = &ezbrd_flash_resource,
96};
97#endif
98
99#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
100static struct platform_device rtc_device = {
101 .name = "rtc-bfin",
102 .id = -1,
103};
104#endif
105
106#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
107static struct platform_device bfin_mac_device = {
108 .name = "bfin_mac",
109};
110#endif
111
112#if defined(CONFIG_MTD_M25P80) \
113 || defined(CONFIG_MTD_M25P80_MODULE)
114static struct mtd_partition bfin_spi_flash_partitions[] = {
115 {
116 .name = "bootloader(spi)",
117 .size = 0x00040000,
118 .offset = 0,
119 .mask_flags = MTD_CAP_ROM
120 }, {
121 .name = "linux kernel(spi)",
122 .size = MTDPART_SIZ_FULL,
123 .offset = MTDPART_OFS_APPEND,
124 }
125};
126
127static struct flash_platform_data bfin_spi_flash_data = {
128 .name = "m25p80",
129 .parts = bfin_spi_flash_partitions,
130 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
131 .type = "m25p16",
132};
133
134/* SPI flash chip (m25p64) */
135static struct bfin5xx_spi_chip spi_flash_chip_info = {
136 .enable_dma = 0, /* use dma transfer with this chip*/
137 .bits_per_word = 8,
138};
139#endif
140
141#if defined(CONFIG_SPI_ADC_BF533) \
142 || defined(CONFIG_SPI_ADC_BF533_MODULE)
143/* SPI ADC chip */
144static struct bfin5xx_spi_chip spi_adc_chip_info = {
145 .enable_dma = 1, /* use dma transfer with this chip*/
146 .bits_per_word = 16,
147};
148#endif
149
150#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
151static struct bfin5xx_spi_chip spi_mmc_chip_info = {
152 .enable_dma = 1,
153 .bits_per_word = 8,
154};
155#endif
156
157#if defined(CONFIG_PBX)
158static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
159 .ctl_reg = 0x4, /* send zero */
160 .enable_dma = 0,
161 .bits_per_word = 8,
162 .cs_change_per_word = 1,
163};
164#endif
165
166#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
167static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
168 .enable_dma = 0,
169 .bits_per_word = 16,
170};
171
172static const struct ad7877_platform_data bfin_ad7877_ts_info = {
173 .model = 7877,
174 .vref_delay_usecs = 50, /* internal, no capacitor */
175 .x_plate_ohms = 419,
176 .y_plate_ohms = 486,
177 .pressure_max = 1000,
178 .pressure_min = 0,
179 .stopacq_polarity = 1,
180 .first_conversion_delay = 3,
181 .acquisition_time = 1,
182 .averaging = 1,
183 .pen_down_acc_interval = 1,
184};
185#endif
186
187#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
188 && defined(CONFIG_SND_SOC_WM8731_SPI)
189static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
190 .enable_dma = 0,
191 .bits_per_word = 16,
192};
193#endif
194
195#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
196static struct bfin5xx_spi_chip spidev_chip_info = {
197 .enable_dma = 0,
198 .bits_per_word = 8,
199};
200#endif
201
202static struct spi_board_info bfin_spi_board_info[] __initdata = {
203#if defined(CONFIG_MTD_M25P80) \
204 || defined(CONFIG_MTD_M25P80_MODULE)
205 {
206 /* the modalias must be the same as spi device driver name */
207 .modalias = "m25p80", /* Name of spi_driver for this device */
208 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
209 .bus_num = 0, /* Framework bus number */
210 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
211 .platform_data = &bfin_spi_flash_data,
212 .controller_data = &spi_flash_chip_info,
213 .mode = SPI_MODE_3,
214 },
215#endif
216
217#if defined(CONFIG_SPI_ADC_BF533) \
218 || defined(CONFIG_SPI_ADC_BF533_MODULE)
219 {
220 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
221 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
222 .bus_num = 0, /* Framework bus number */
223 .chip_select = 1, /* Framework chip select. */
224 .platform_data = NULL, /* No spi_driver specific config */
225 .controller_data = &spi_adc_chip_info,
226 },
227#endif
228
229#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
230 {
231 .modalias = "spi_mmc_dummy",
232 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
233 .bus_num = 0,
234 .chip_select = 0,
235 .platform_data = NULL,
236 .controller_data = &spi_mmc_chip_info,
237 .mode = SPI_MODE_3,
238 },
239 {
240 .modalias = "spi_mmc",
241 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
242 .bus_num = 0,
243 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
244 .platform_data = NULL,
245 .controller_data = &spi_mmc_chip_info,
246 .mode = SPI_MODE_3,
247 },
248#endif
249#if defined(CONFIG_PBX)
250 {
251 .modalias = "fxs-spi",
252 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
253 .bus_num = 0,
254 .chip_select = 8 - CONFIG_J11_JUMPER,
255 .controller_data = &spi_si3xxx_chip_info,
256 .mode = SPI_MODE_3,
257 },
258 {
259 .modalias = "fxo-spi",
260 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
261 .bus_num = 0,
262 .chip_select = 8 - CONFIG_J19_JUMPER,
263 .controller_data = &spi_si3xxx_chip_info,
264 .mode = SPI_MODE_3,
265 },
266#endif
267#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
268 {
269 .modalias = "ad7877",
270 .platform_data = &bfin_ad7877_ts_info,
271 .irq = IRQ_PF8,
272 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
273 .bus_num = 0,
274 .chip_select = 2,
275 .controller_data = &spi_ad7877_chip_info,
276 },
277#endif
278#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
279 && defined(CONFIG_SND_SOC_WM8731_SPI)
280 {
281 .modalias = "wm8731",
282 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
283 .bus_num = 0,
284 .chip_select = 5,
285 .controller_data = &spi_wm8731_chip_info,
286 .mode = SPI_MODE_0,
287 },
288#endif
289#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
290 {
291 .modalias = "spidev",
292 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
293 .bus_num = 0,
294 .chip_select = 1,
295 .controller_data = &spidev_chip_info,
296 },
297#endif
298#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
299 {
300 .modalias = "bfin-lq035q1-spi",
301 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
302 .bus_num = 0,
303 .chip_select = 1,
304 .controller_data = &lq035q1_spi_chip_info,
305 .mode = SPI_CPHA | SPI_CPOL,
306 },
307#endif
308};
309
310/* SPI controller data */
311#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
312/* SPI (0) */
313static struct bfin5xx_spi_master bfin_spi0_info = {
314 .num_chipselect = 5,
315 .enable_dma = 1, /* master has the ability to do dma transfer */
316 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
317};
318
319static 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_SPI0,
327 .end = CH_SPI0,
328 .flags = IORESOURCE_IRQ,
329 },
330};
331
332static struct platform_device bfin_spi0_device = {
333 .name = "bfin-spi",
334 .id = 0, /* Bus number */
335 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
336 .resource = bfin_spi0_resource,
337 .dev = {
338 .platform_data = &bfin_spi0_info, /* Passed to driver */
339 },
340};
341
342/* SPI (1) */
343static struct bfin5xx_spi_master bfin_spi1_info = {
344 .num_chipselect = 5,
345 .enable_dma = 1, /* master has the ability to do dma transfer */
346 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
347};
348
349static struct resource bfin_spi1_resource[] = {
350 [0] = {
351 .start = SPI1_REGBASE,
352 .end = SPI1_REGBASE + 0xFF,
353 .flags = IORESOURCE_MEM,
354 },
355 [1] = {
356 .start = CH_SPI1,
357 .end = CH_SPI1,
358 .flags = IORESOURCE_IRQ,
359 },
360};
361
362static struct platform_device bfin_spi1_device = {
363 .name = "bfin-spi",
364 .id = 1, /* Bus number */
365 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
366 .resource = bfin_spi1_resource,
367 .dev = {
368 .platform_data = &bfin_spi1_info, /* Passed to driver */
369 },
370};
371#endif /* spi master and devices */
372
373#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
374static struct resource bfin_uart_resources[] = {
375#ifdef CONFIG_SERIAL_BFIN_UART0
376 {
377 .start = 0xFFC00400,
378 .end = 0xFFC004FF,
379 .flags = IORESOURCE_MEM,
380 },
381#endif
382#ifdef CONFIG_SERIAL_BFIN_UART1
383 {
384 .start = 0xFFC02000,
385 .end = 0xFFC020FF,
386 .flags = IORESOURCE_MEM,
387 },
388#endif
389};
390
391static struct platform_device bfin_uart_device = {
392 .name = "bfin-uart",
393 .id = 1,
394 .num_resources = ARRAY_SIZE(bfin_uart_resources),
395 .resource = bfin_uart_resources,
396};
397#endif
398
399#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
400#ifdef CONFIG_BFIN_SIR0
401static struct resource bfin_sir0_resources[] = {
402 {
403 .start = 0xFFC00400,
404 .end = 0xFFC004FF,
405 .flags = IORESOURCE_MEM,
406 },
407 {
408 .start = IRQ_UART0_RX,
409 .end = IRQ_UART0_RX+1,
410 .flags = IORESOURCE_IRQ,
411 },
412 {
413 .start = CH_UART0_RX,
414 .end = CH_UART0_RX+1,
415 .flags = IORESOURCE_DMA,
416 },
417};
418
419static struct platform_device bfin_sir0_device = {
420 .name = "bfin_sir",
421 .id = 0,
422 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
423 .resource = bfin_sir0_resources,
424};
425#endif
426#ifdef CONFIG_BFIN_SIR1
427static struct resource bfin_sir1_resources[] = {
428 {
429 .start = 0xFFC02000,
430 .end = 0xFFC020FF,
431 .flags = IORESOURCE_MEM,
432 },
433 {
434 .start = IRQ_UART1_RX,
435 .end = IRQ_UART1_RX+1,
436 .flags = IORESOURCE_IRQ,
437 },
438 {
439 .start = CH_UART1_RX,
440 .end = CH_UART1_RX+1,
441 .flags = IORESOURCE_DMA,
442 },
443};
444
445static struct platform_device bfin_sir1_device = {
446 .name = "bfin_sir",
447 .id = 1,
448 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
449 .resource = bfin_sir1_resources,
450};
451#endif
452#endif
453
454#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
455static struct resource bfin_twi0_resource[] = {
456 [0] = {
457 .start = TWI0_REGBASE,
458 .end = TWI0_REGBASE,
459 .flags = IORESOURCE_MEM,
460 },
461 [1] = {
462 .start = IRQ_TWI,
463 .end = IRQ_TWI,
464 .flags = IORESOURCE_IRQ,
465 },
466};
467
468static struct platform_device i2c_bfin_twi_device = {
469 .name = "i2c-bfin-twi",
470 .id = 0,
471 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
472 .resource = bfin_twi0_resource,
473};
474#endif
475
476#ifdef CONFIG_I2C_BOARDINFO
477static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
478#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
479 {
480 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
481 },
482#endif
483#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
484 {
485 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
486 .irq = IRQ_PF8,
487 },
488#endif
489};
490#endif
491
492#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
493static struct platform_device bfin_sport0_uart_device = {
494 .name = "bfin-sport-uart",
495 .id = 0,
496};
497
498static struct platform_device bfin_sport1_uart_device = {
499 .name = "bfin-sport-uart",
500 .id = 1,
501};
502#endif
503
504#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
505#include <linux/input.h>
506#include <linux/gpio_keys.h>
507
508static struct gpio_keys_button bfin_gpio_keys_table[] = {
509 {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
510 {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
511};
512
513static struct gpio_keys_platform_data bfin_gpio_keys_data = {
514 .buttons = bfin_gpio_keys_table,
515 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
516};
517
518static struct platform_device bfin_device_gpiokeys = {
519 .name = "gpio-keys",
520 .dev = {
521 .platform_data = &bfin_gpio_keys_data,
522 },
523};
524#endif
525
526#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
527
528static struct bfin_sd_host bfin_sdh_data = {
529 .dma_chan = CH_RSI,
530 .irq_int0 = IRQ_RSI_INT0,
531 .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
532};
533
534static struct platform_device bf51x_sdh_device = {
535 .name = "bfin-sdh",
536 .id = 0,
537 .dev = {
538 .platform_data = &bfin_sdh_data,
539 },
540};
541#endif
542
543static struct resource bfin_gpios_resources = {
544 .start = 0,
545 .end = MAX_BLACKFIN_GPIOS - 1,
546 .flags = IORESOURCE_IRQ,
547};
548
549static struct platform_device bfin_gpios_device = {
550 .name = "simple-gpio",
551 .id = -1,
552 .num_resources = 1,
553 .resource = &bfin_gpios_resources,
554};
555
556static const unsigned int cclk_vlev_datasheet[] =
557{
558 VRPAIR(VLEV_100, 400000000),
559 VRPAIR(VLEV_105, 426000000),
560 VRPAIR(VLEV_110, 500000000),
561 VRPAIR(VLEV_115, 533000000),
562 VRPAIR(VLEV_120, 600000000),
563};
564
565static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
566 .tuple_tab = cclk_vlev_datasheet,
567 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
568 .vr_settling_time = 25 /* us */,
569};
570
571static struct platform_device bfin_dpmc = {
572 .name = "bfin dpmc",
573 .dev = {
574 .platform_data = &bfin_dmpc_vreg_data,
575 },
576};
577
578static struct platform_device *stamp_devices[] __initdata = {
579
580 &bfin_dpmc,
581
582#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
583 &rtc_device,
584#endif
585
586#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
587 &bfin_mac_device,
588#endif
589
590#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
591 &bfin_spi0_device,
592 &bfin_spi1_device,
593#endif
594
595#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
596 &bfin_uart_device,
597#endif
598
599#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
600#ifdef CONFIG_BFIN_SIR0
601 &bfin_sir0_device,
602#endif
603#ifdef CONFIG_BFIN_SIR1
604 &bfin_sir1_device,
605#endif
606#endif
607
608#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
609 &i2c_bfin_twi_device,
610#endif
611
612#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
613 &bfin_sport0_uart_device,
614 &bfin_sport1_uart_device,
615#endif
616
617#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
618 &bfin_device_gpiokeys,
619#endif
620
621#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
622 &bf51x_sdh_device,
623#endif
624
625#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
626 &ezbrd_flash_device,
627#endif
628
629 &bfin_gpios_device,
630};
631
632static int __init ezbrd_init(void)
633{
634 printk(KERN_INFO "%s(): registering device resources\n", __func__);
635
636#ifdef CONFIG_I2C_BOARDINFO
637 i2c_register_board_info(0, bfin_i2c_board_info,
638 ARRAY_SIZE(bfin_i2c_board_info));
639#endif
640
641 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
642 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
643 return 0;
644}
645
646arch_initcall(ezbrd_init);
647
648void native_machine_restart(char *cmd)
649{
650 /* workaround reboot hang when booting from SPI */
651 if ((bfin_read_SYSCR() & 0x7) == 0x3)
652 bfin_gpio_reset_spi0_ssel1();
653}
654
655void bfin_get_ether_addr(char *addr)
656{
657 /* the MAC is stored in OTP memory page 0xDF */
658 u32 ret;
659 u64 otp_mac;
660 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
661
662 ret = otp_read(0xDF, 0x00, &otp_mac);
663 if (!(ret & 0x1)) {
664 char *otp_mac_p = (char *)&otp_mac;
665 for (ret = 0; ret < 6; ++ret)
666 addr[ret] = otp_mac_p[5 - ret];
667 }
668}
669EXPORT_SYMBOL(bfin_get_ether_addr);