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/export.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 
18 #include <linux/i2c.h>
19 #include <linux/irq.h>
20 #include <linux/interrupt.h>
21 #include <asm/dma.h>
22 #include <asm/bfin5xx_spi.h>
23 #include <asm/reboot.h>
24 #include <asm/portmux.h>
25 #include <asm/dpmc.h>
26 #include <asm/bfin_sdh.h>
27 #include <linux/spi/ad7877.h>
28 #include <net/dsa.h>
29 
30 /*
31  * Name the Board for the /proc/cpuinfo
32  */
33 const char bfin_board_name[] = "ADI BF518F-EZBRD";
34 
35 /*
36  *  Driver needs to know address, irq and flag pin.
37  */
38 
39 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
40 static struct mtd_partition ezbrd_partitions[] = {
41 	{
42 		.name       = "bootloader(nor)",
43 		.size       = 0x40000,
44 		.offset     = 0,
45 	}, {
46 		.name       = "linux kernel(nor)",
47 		.size       = 0x1C0000,
48 		.offset     = MTDPART_OFS_APPEND,
49 	}, {
50 		.name       = "file system(nor)",
51 		.size       = MTDPART_SIZ_FULL,
52 		.offset     = MTDPART_OFS_APPEND,
53 	}
54 };
55 
56 static struct physmap_flash_data ezbrd_flash_data = {
57 	.width      = 2,
58 	.parts      = ezbrd_partitions,
59 	.nr_parts   = ARRAY_SIZE(ezbrd_partitions),
60 };
61 
62 static struct resource ezbrd_flash_resource = {
63 	.start = 0x20000000,
64 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
65 	.end   = 0x202fffff,
66 #else
67 	.end   = 0x203fffff,
68 #endif
69 	.flags = IORESOURCE_MEM,
70 };
71 
72 static struct platform_device ezbrd_flash_device = {
73 	.name          = "physmap-flash",
74 	.id            = 0,
75 	.dev = {
76 		.platform_data = &ezbrd_flash_data,
77 	},
78 	.num_resources = 1,
79 	.resource      = &ezbrd_flash_resource,
80 };
81 #endif
82 
83 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
84 static struct platform_device rtc_device = {
85 	.name = "rtc-bfin",
86 	.id   = -1,
87 };
88 #endif
89 
90 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
91 #include <linux/bfin_mac.h>
92 static const unsigned short bfin_mac_peripherals[] = {
93 	P_MII0_ETxD0,
94 	P_MII0_ETxD1,
95 	P_MII0_ETxEN,
96 	P_MII0_ERxD0,
97 	P_MII0_ERxD1,
98 	P_MII0_TxCLK,
99 	P_MII0_PHYINT,
100 	P_MII0_CRS,
101 	P_MII0_MDC,
102 	P_MII0_MDIO,
103 	0
104 };
105 
106 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
107 	{
108 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
109 		.addr = 3,
110 #else
111 		.addr = 1,
112 #endif
113 		.irq = IRQ_MAC_PHYINT,
114 	},
115 };
116 
117 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
118 	.phydev_number = 1,
119 	.phydev_data = bfin_phydev_data,
120 	.phy_mode = PHY_INTERFACE_MODE_MII,
121 	.mac_peripherals = bfin_mac_peripherals,
122 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
123 	.phy_mask = 0xfff7, /* Only probe the port phy connect to the on chip MAC */
124 #endif
125 	.vlan1_mask = 1,
126 	.vlan2_mask = 2,
127 };
128 
129 static struct platform_device bfin_mii_bus = {
130 	.name = "bfin_mii_bus",
131 	.dev = {
132 		.platform_data = &bfin_mii_bus_data,
133 	}
134 };
135 
136 static struct platform_device bfin_mac_device = {
137 	.name = "bfin_mac",
138 	.dev = {
139 		.platform_data = &bfin_mii_bus,
140 	}
141 };
142 
143 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
144 static struct dsa_chip_data ksz8893m_switch_chip_data = {
145 	.mii_bus = &bfin_mii_bus.dev,
146 	.port_names = {
147 		NULL,
148 		"eth%d",
149 		"eth%d",
150 		"cpu",
151 	},
152 };
153 static struct dsa_platform_data ksz8893m_switch_data = {
154 	.nr_chips = 1,
155 	.netdev = &bfin_mac_device.dev,
156 	.chip = &ksz8893m_switch_chip_data,
157 };
158 
159 static struct platform_device ksz8893m_switch_device = {
160 	.name		= "dsa",
161 	.id		= 0,
162 	.num_resources	= 0,
163 	.dev.platform_data = &ksz8893m_switch_data,
164 };
165 #endif
166 #endif
167 
168 #if defined(CONFIG_MTD_M25P80) \
169 	|| defined(CONFIG_MTD_M25P80_MODULE)
170 static struct mtd_partition bfin_spi_flash_partitions[] = {
171 	{
172 		.name = "bootloader(spi)",
173 		.size = 0x00040000,
174 		.offset = 0,
175 		.mask_flags = MTD_CAP_ROM
176 	}, {
177 		.name = "linux kernel(spi)",
178 		.size = MTDPART_SIZ_FULL,
179 		.offset = MTDPART_OFS_APPEND,
180 	}
181 };
182 
183 static struct flash_platform_data bfin_spi_flash_data = {
184 	.name = "m25p80",
185 	.parts = bfin_spi_flash_partitions,
186 	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
187 	.type = "m25p16",
188 };
189 
190 /* SPI flash chip (m25p64) */
191 static struct bfin5xx_spi_chip spi_flash_chip_info = {
192 	.enable_dma = 0,         /* use dma transfer with this chip*/
193 };
194 #endif
195 
196 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
197 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
198 	.enable_dma = 0,
199 };
200 #endif
201 
202 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
203 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
204 	.model			= 7877,
205 	.vref_delay_usecs	= 50,	/* internal, no capacitor */
206 	.x_plate_ohms		= 419,
207 	.y_plate_ohms		= 486,
208 	.pressure_max		= 1000,
209 	.pressure_min		= 0,
210 	.stopacq_polarity 	= 1,
211 	.first_conversion_delay = 3,
212 	.acquisition_time 	= 1,
213 	.averaging 		= 1,
214 	.pen_down_acc_interval 	= 1,
215 };
216 #endif
217 
218 static struct spi_board_info bfin_spi_board_info[] __initdata = {
219 #if defined(CONFIG_MTD_M25P80) \
220 	|| defined(CONFIG_MTD_M25P80_MODULE)
221 	{
222 		/* the modalias must be the same as spi device driver name */
223 		.modalias = "m25p80", /* Name of spi_driver for this device */
224 		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
225 		.bus_num = 0, /* Framework bus number */
226 		.chip_select = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
227 		.platform_data = &bfin_spi_flash_data,
228 		.controller_data = &spi_flash_chip_info,
229 		.mode = SPI_MODE_3,
230 	},
231 #endif
232 
233 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
234 #if defined(CONFIG_NET_DSA_KSZ8893M) \
235 	|| defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
236 	{
237 		.modalias = "ksz8893m",
238 		.max_speed_hz = 5000000,
239 		.bus_num = 0,
240 		.chip_select = 1,
241 		.platform_data = NULL,
242 		.mode = SPI_MODE_3,
243 	},
244 #endif
245 #endif
246 
247 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
248 	{
249 		.modalias = "mmc_spi",
250 		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
251 		.bus_num = 0,
252 		.chip_select = 5,
253 		.controller_data = &mmc_spi_chip_info,
254 		.mode = SPI_MODE_3,
255 	},
256 #endif
257 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
258 	{
259 		.modalias		= "ad7877",
260 		.platform_data		= &bfin_ad7877_ts_info,
261 		.irq			= IRQ_PF8,
262 		.max_speed_hz	= 12500000,     /* max spi clock (SCK) speed in HZ */
263 		.bus_num	= 0,
264 		.chip_select  = 2,
265 	},
266 #endif
267 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
268 	 && defined(CONFIG_SND_SOC_WM8731_SPI)
269 	{
270 		.modalias	= "wm8731",
271 		.max_speed_hz	= 3125000,     /* max spi clock (SCK) speed in HZ */
272 		.bus_num	= 0,
273 		.chip_select    = 5,
274 		.mode = SPI_MODE_0,
275 	},
276 #endif
277 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
278 	{
279 		.modalias = "spidev",
280 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
281 		.bus_num = 0,
282 		.chip_select = 1,
283 	},
284 #endif
285 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
286 	{
287 		.modalias = "bfin-lq035q1-spi",
288 		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
289 		.bus_num = 0,
290 		.chip_select = 1,
291 		.mode = SPI_CPHA | SPI_CPOL,
292 	},
293 #endif
294 };
295 
296 /* SPI controller data */
297 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
298 /* SPI (0) */
299 static struct bfin5xx_spi_master bfin_spi0_info = {
300 	.num_chipselect = 6,
301 	.enable_dma = 1,  /* master has the ability to do dma transfer */
302 	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
303 };
304 
305 static struct resource bfin_spi0_resource[] = {
306 	[0] = {
307 		.start = SPI0_REGBASE,
308 		.end   = SPI0_REGBASE + 0xFF,
309 		.flags = IORESOURCE_MEM,
310 		},
311 	[1] = {
312 		.start = CH_SPI0,
313 		.end   = CH_SPI0,
314 		.flags = IORESOURCE_DMA,
315 	},
316 	[2] = {
317 		.start = IRQ_SPI0,
318 		.end   = IRQ_SPI0,
319 		.flags = IORESOURCE_IRQ,
320 	},
321 };
322 
323 static struct platform_device bfin_spi0_device = {
324 	.name = "bfin-spi",
325 	.id = 0, /* Bus number */
326 	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
327 	.resource = bfin_spi0_resource,
328 	.dev = {
329 		.platform_data = &bfin_spi0_info, /* Passed to driver */
330 	},
331 };
332 
333 /* SPI (1) */
334 static struct bfin5xx_spi_master bfin_spi1_info = {
335 	.num_chipselect = 6,
336 	.enable_dma = 1,  /* master has the ability to do dma transfer */
337 	.pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
338 };
339 
340 static struct resource bfin_spi1_resource[] = {
341 	[0] = {
342 		.start = SPI1_REGBASE,
343 		.end   = SPI1_REGBASE + 0xFF,
344 		.flags = IORESOURCE_MEM,
345 		},
346 	[1] = {
347 		.start = CH_SPI1,
348 		.end   = CH_SPI1,
349 		.flags = IORESOURCE_DMA,
350 	},
351 	[2] = {
352 		.start = IRQ_SPI1,
353 		.end   = IRQ_SPI1,
354 		.flags = IORESOURCE_IRQ,
355 	},
356 };
357 
358 static struct platform_device bfin_spi1_device = {
359 	.name = "bfin-spi",
360 	.id = 1, /* Bus number */
361 	.num_resources = ARRAY_SIZE(bfin_spi1_resource),
362 	.resource = bfin_spi1_resource,
363 	.dev = {
364 		.platform_data = &bfin_spi1_info, /* Passed to driver */
365 	},
366 };
367 #endif  /* spi master and devices */
368 
369 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
370 #ifdef CONFIG_SERIAL_BFIN_UART0
371 static struct resource bfin_uart0_resources[] = {
372 	{
373 		.start = UART0_THR,
374 		.end = UART0_GCTL+2,
375 		.flags = IORESOURCE_MEM,
376 	},
377 	{
378 		.start = IRQ_UART0_TX,
379 		.end = IRQ_UART0_TX,
380 		.flags = IORESOURCE_IRQ,
381 	},
382 	{
383 		.start = IRQ_UART0_RX,
384 		.end = IRQ_UART0_RX,
385 		.flags = IORESOURCE_IRQ,
386 	},
387 	{
388 		.start = IRQ_UART0_ERROR,
389 		.end = IRQ_UART0_ERROR,
390 		.flags = IORESOURCE_IRQ,
391 	},
392 	{
393 		.start = CH_UART0_TX,
394 		.end = CH_UART0_TX,
395 		.flags = IORESOURCE_DMA,
396 	},
397 	{
398 		.start = CH_UART0_RX,
399 		.end = CH_UART0_RX,
400 		.flags = IORESOURCE_DMA,
401 	},
402 };
403 
404 static unsigned short bfin_uart0_peripherals[] = {
405 	P_UART0_TX, P_UART0_RX, 0
406 };
407 
408 static struct platform_device bfin_uart0_device = {
409 	.name = "bfin-uart",
410 	.id = 0,
411 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
412 	.resource = bfin_uart0_resources,
413 	.dev = {
414 		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
415 	},
416 };
417 #endif
418 #ifdef CONFIG_SERIAL_BFIN_UART1
419 static struct resource bfin_uart1_resources[] = {
420 	{
421 		.start = UART1_THR,
422 		.end = UART1_GCTL+2,
423 		.flags = IORESOURCE_MEM,
424 	},
425 	{
426 		.start = IRQ_UART1_TX,
427 		.end = IRQ_UART1_TX,
428 		.flags = IORESOURCE_IRQ,
429 	},
430 	{
431 		.start = IRQ_UART1_RX,
432 		.end = IRQ_UART1_RX,
433 		.flags = IORESOURCE_IRQ,
434 	},
435 	{
436 		.start = IRQ_UART1_ERROR,
437 		.end = IRQ_UART1_ERROR,
438 		.flags = IORESOURCE_IRQ,
439 	},
440 	{
441 		.start = CH_UART1_TX,
442 		.end = CH_UART1_TX,
443 		.flags = IORESOURCE_DMA,
444 	},
445 	{
446 		.start = CH_UART1_RX,
447 		.end = CH_UART1_RX,
448 		.flags = IORESOURCE_DMA,
449 	},
450 };
451 
452 static unsigned short bfin_uart1_peripherals[] = {
453 	P_UART1_TX, P_UART1_RX, 0
454 };
455 
456 static struct platform_device bfin_uart1_device = {
457 	.name = "bfin-uart",
458 	.id = 1,
459 	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
460 	.resource = bfin_uart1_resources,
461 	.dev = {
462 		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
463 	},
464 };
465 #endif
466 #endif
467 
468 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
469 #ifdef CONFIG_BFIN_SIR0
470 static struct resource bfin_sir0_resources[] = {
471 	{
472 		.start = 0xFFC00400,
473 		.end = 0xFFC004FF,
474 		.flags = IORESOURCE_MEM,
475 	},
476 	{
477 		.start = IRQ_UART0_RX,
478 		.end = IRQ_UART0_RX+1,
479 		.flags = IORESOURCE_IRQ,
480 	},
481 	{
482 		.start = CH_UART0_RX,
483 		.end = CH_UART0_RX+1,
484 		.flags = IORESOURCE_DMA,
485 	},
486 };
487 
488 static struct platform_device bfin_sir0_device = {
489 	.name = "bfin_sir",
490 	.id = 0,
491 	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
492 	.resource = bfin_sir0_resources,
493 };
494 #endif
495 #ifdef CONFIG_BFIN_SIR1
496 static struct resource bfin_sir1_resources[] = {
497 	{
498 		.start = 0xFFC02000,
499 		.end = 0xFFC020FF,
500 		.flags = IORESOURCE_MEM,
501 	},
502 	{
503 		.start = IRQ_UART1_RX,
504 		.end = IRQ_UART1_RX+1,
505 		.flags = IORESOURCE_IRQ,
506 	},
507 	{
508 		.start = CH_UART1_RX,
509 		.end = CH_UART1_RX+1,
510 		.flags = IORESOURCE_DMA,
511 	},
512 };
513 
514 static struct platform_device bfin_sir1_device = {
515 	.name = "bfin_sir",
516 	.id = 1,
517 	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
518 	.resource = bfin_sir1_resources,
519 };
520 #endif
521 #endif
522 
523 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
524 static struct platform_device bfin_i2s = {
525 	.name = "bfin-i2s",
526 	.id = CONFIG_SND_BF5XX_SPORT_NUM,
527 	/* TODO: add platform data here */
528 };
529 #endif
530 
531 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
532 static struct resource bfin_twi0_resource[] = {
533 	[0] = {
534 		.start = TWI0_REGBASE,
535 		.end   = TWI0_REGBASE,
536 		.flags = IORESOURCE_MEM,
537 	},
538 	[1] = {
539 		.start = IRQ_TWI,
540 		.end   = IRQ_TWI,
541 		.flags = IORESOURCE_IRQ,
542 	},
543 };
544 
545 static struct platform_device i2c_bfin_twi_device = {
546 	.name = "i2c-bfin-twi",
547 	.id = 0,
548 	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
549 	.resource = bfin_twi0_resource,
550 };
551 #endif
552 
553 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
554 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
555 	{
556 		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
557 	},
558 #endif
559 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
560 	{
561 		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
562 		.irq = IRQ_PF8,
563 	},
564 #endif
565 #if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
566 	{
567 		I2C_BOARD_INFO("ssm2602", 0x1b),
568 	},
569 #endif
570 };
571 
572 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
573 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
574 static struct resource bfin_sport0_uart_resources[] = {
575 	{
576 		.start = SPORT0_TCR1,
577 		.end = SPORT0_MRCS3+4,
578 		.flags = IORESOURCE_MEM,
579 	},
580 	{
581 		.start = IRQ_SPORT0_RX,
582 		.end = IRQ_SPORT0_RX+1,
583 		.flags = IORESOURCE_IRQ,
584 	},
585 	{
586 		.start = IRQ_SPORT0_ERROR,
587 		.end = IRQ_SPORT0_ERROR,
588 		.flags = IORESOURCE_IRQ,
589 	},
590 };
591 
592 static unsigned short bfin_sport0_peripherals[] = {
593 	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
594 	P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
595 };
596 
597 static struct platform_device bfin_sport0_uart_device = {
598 	.name = "bfin-sport-uart",
599 	.id = 0,
600 	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
601 	.resource = bfin_sport0_uart_resources,
602 	.dev = {
603 		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
604 	},
605 };
606 #endif
607 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
608 static struct resource bfin_sport1_uart_resources[] = {
609 	{
610 		.start = SPORT1_TCR1,
611 		.end = SPORT1_MRCS3+4,
612 		.flags = IORESOURCE_MEM,
613 	},
614 	{
615 		.start = IRQ_SPORT1_RX,
616 		.end = IRQ_SPORT1_RX+1,
617 		.flags = IORESOURCE_IRQ,
618 	},
619 	{
620 		.start = IRQ_SPORT1_ERROR,
621 		.end = IRQ_SPORT1_ERROR,
622 		.flags = IORESOURCE_IRQ,
623 	},
624 };
625 
626 static unsigned short bfin_sport1_peripherals[] = {
627 	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
628 	P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
629 };
630 
631 static struct platform_device bfin_sport1_uart_device = {
632 	.name = "bfin-sport-uart",
633 	.id = 1,
634 	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
635 	.resource = bfin_sport1_uart_resources,
636 	.dev = {
637 		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
638 	},
639 };
640 #endif
641 #endif
642 
643 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
644 #include <linux/input.h>
645 #include <linux/gpio_keys.h>
646 
647 static struct gpio_keys_button bfin_gpio_keys_table[] = {
648 	{BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
649 	{BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
650 };
651 
652 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
653 	.buttons        = bfin_gpio_keys_table,
654 	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
655 };
656 
657 static struct platform_device bfin_device_gpiokeys = {
658 	.name      = "gpio-keys",
659 	.dev = {
660 		.platform_data = &bfin_gpio_keys_data,
661 	},
662 };
663 #endif
664 
665 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
666 
667 static struct bfin_sd_host bfin_sdh_data = {
668 	.dma_chan = CH_RSI,
669 	.irq_int0 = IRQ_RSI_INT0,
670 	.pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
671 };
672 
673 static struct platform_device bf51x_sdh_device = {
674 	.name = "bfin-sdh",
675 	.id = 0,
676 	.dev = {
677 		.platform_data = &bfin_sdh_data,
678 	},
679 };
680 #endif
681 
682 static const unsigned int cclk_vlev_datasheet[] =
683 {
684 	VRPAIR(VLEV_100, 400000000),
685 	VRPAIR(VLEV_105, 426000000),
686 	VRPAIR(VLEV_110, 500000000),
687 	VRPAIR(VLEV_115, 533000000),
688 	VRPAIR(VLEV_120, 600000000),
689 };
690 
691 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
692 	.tuple_tab = cclk_vlev_datasheet,
693 	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
694 	.vr_settling_time = 25 /* us */,
695 };
696 
697 static struct platform_device bfin_dpmc = {
698 	.name = "bfin dpmc",
699 	.dev = {
700 		.platform_data = &bfin_dmpc_vreg_data,
701 	},
702 };
703 
704 static struct platform_device *stamp_devices[] __initdata = {
705 
706 	&bfin_dpmc,
707 
708 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
709 	&rtc_device,
710 #endif
711 
712 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
713 	&bfin_mii_bus,
714 	&bfin_mac_device,
715 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
716 	&ksz8893m_switch_device,
717 #endif
718 #endif
719 
720 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
721 	&bfin_spi0_device,
722 	&bfin_spi1_device,
723 #endif
724 
725 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
726 #ifdef CONFIG_SERIAL_BFIN_UART0
727 	&bfin_uart0_device,
728 #endif
729 #ifdef CONFIG_SERIAL_BFIN_UART1
730 	&bfin_uart1_device,
731 #endif
732 #endif
733 
734 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
735 #ifdef CONFIG_BFIN_SIR0
736 	&bfin_sir0_device,
737 #endif
738 #ifdef CONFIG_BFIN_SIR1
739 	&bfin_sir1_device,
740 #endif
741 #endif
742 
743 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
744 	&i2c_bfin_twi_device,
745 #endif
746 
747 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
748 	&bfin_i2s,
749 #endif
750 
751 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
752 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
753 	&bfin_sport0_uart_device,
754 #endif
755 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
756 	&bfin_sport1_uart_device,
757 #endif
758 #endif
759 
760 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
761 	&bfin_device_gpiokeys,
762 #endif
763 
764 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
765 	&bf51x_sdh_device,
766 #endif
767 
768 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
769 	&ezbrd_flash_device,
770 #endif
771 };
772 
ezbrd_init(void)773 static int __init ezbrd_init(void)
774 {
775 	printk(KERN_INFO "%s(): registering device resources\n", __func__);
776 	i2c_register_board_info(0, bfin_i2c_board_info,
777 				ARRAY_SIZE(bfin_i2c_board_info));
778 	platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
779 	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
780 	/* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
781 	peripheral_request(P_AMS2, "ParaFlash");
782 #if !defined(CONFIG_SPI_BFIN5XX) && !defined(CONFIG_SPI_BFIN5XX_MODULE)
783 	peripheral_request(P_AMS3, "ParaFlash");
784 #endif
785 	return 0;
786 }
787 
788 arch_initcall(ezbrd_init);
789 
790 static struct platform_device *ezbrd_early_devices[] __initdata = {
791 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
792 #ifdef CONFIG_SERIAL_BFIN_UART0
793 	&bfin_uart0_device,
794 #endif
795 #ifdef CONFIG_SERIAL_BFIN_UART1
796 	&bfin_uart1_device,
797 #endif
798 #endif
799 
800 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
801 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
802 	&bfin_sport0_uart_device,
803 #endif
804 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
805 	&bfin_sport1_uart_device,
806 #endif
807 #endif
808 };
809 
native_machine_early_platform_add_devices(void)810 void __init native_machine_early_platform_add_devices(void)
811 {
812 	printk(KERN_INFO "register early platform devices\n");
813 	early_platform_add_devices(ezbrd_early_devices,
814 		ARRAY_SIZE(ezbrd_early_devices));
815 }
816 
native_machine_restart(char * cmd)817 void native_machine_restart(char *cmd)
818 {
819 	/* workaround reboot hang when booting from SPI */
820 	if ((bfin_read_SYSCR() & 0x7) == 0x3)
821 		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
822 }
823 
bfin_get_ether_addr(char * addr)824 int bfin_get_ether_addr(char *addr)
825 {
826 	/* the MAC is stored in OTP memory page 0xDF */
827 	u32 ret;
828 	u64 otp_mac;
829 	u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
830 
831 	ret = otp_read(0xDF, 0x00, &otp_mac);
832 	if (!(ret & 0x1)) {
833 		char *otp_mac_p = (char *)&otp_mac;
834 		for (ret = 0; ret < 6; ++ret)
835 			addr[ret] = otp_mac_p[5 - ret];
836 	}
837 	return 0;
838 }
839 EXPORT_SYMBOL(bfin_get_ether_addr);
840