[Blackfin] arch: conditionally enable flash resources since it requests the async...
[linux-2.6/mini2440.git] / arch / blackfin / mach-bf548 / boards / ezkit.c
blobdc3c0156f37f1f7db2a365c8a7606a7aee2319ad
1 /*
2 * File: arch/blackfin/mach-bf548/boards/ezkit.c
3 * Based on: arch/blackfin/mach-bf537/boards/ezkit.c
4 * Author: Aidan Williams <aidan@nicta.com.au>
6 * Created:
7 * Description:
9 * Modified:
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2007 Analog Devices Inc.
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
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.
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.
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
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 #include <linux/irq.h>
39 #include <linux/interrupt.h>
40 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
41 #include <linux/usb/musb.h>
42 #endif
43 #include <asm/bfin5xx_spi.h>
44 #include <asm/cplb.h>
45 #include <asm/dma.h>
46 #include <asm/gpio.h>
47 #include <asm/nand.h>
48 #include <asm/portmux.h>
49 #include <asm/mach/bf54x_keys.h>
50 #include <linux/input.h>
51 #include <linux/spi/ad7877.h>
54 * Name the Board for the /proc/cpuinfo
56 const char bfin_board_name[] = "ADSP-BF548-EZKIT";
59 * Driver needs to know address, irq and flag pin.
62 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
64 #include <asm/mach/bf54x-lq043.h>
66 static struct bfin_bf54xfb_mach_info bf54x_lq043_data = {
67 .width = 480,
68 .height = 272,
69 .xres = {480, 480, 480},
70 .yres = {272, 272, 272},
71 .bpp = {24, 24, 24},
72 .disp = GPIO_PE3,
75 static struct resource bf54x_lq043_resources[] = {
77 .start = IRQ_EPPI0_ERR,
78 .end = IRQ_EPPI0_ERR,
79 .flags = IORESOURCE_IRQ,
83 static struct platform_device bf54x_lq043_device = {
84 .name = "bf54x-lq043",
85 .id = -1,
86 .num_resources = ARRAY_SIZE(bf54x_lq043_resources),
87 .resource = bf54x_lq043_resources,
88 .dev = {
89 .platform_data = &bf54x_lq043_data,
92 #endif
94 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
95 static const unsigned int bf548_keymap[] = {
96 KEYVAL(0, 0, KEY_ENTER),
97 KEYVAL(0, 1, KEY_HELP),
98 KEYVAL(0, 2, KEY_0),
99 KEYVAL(0, 3, KEY_BACKSPACE),
100 KEYVAL(1, 0, KEY_TAB),
101 KEYVAL(1, 1, KEY_9),
102 KEYVAL(1, 2, KEY_8),
103 KEYVAL(1, 3, KEY_7),
104 KEYVAL(2, 0, KEY_DOWN),
105 KEYVAL(2, 1, KEY_6),
106 KEYVAL(2, 2, KEY_5),
107 KEYVAL(2, 3, KEY_4),
108 KEYVAL(3, 0, KEY_UP),
109 KEYVAL(3, 1, KEY_3),
110 KEYVAL(3, 2, KEY_2),
111 KEYVAL(3, 3, KEY_1),
114 static struct bfin_kpad_platform_data bf54x_kpad_data = {
115 .rows = 4,
116 .cols = 4,
117 .keymap = bf548_keymap,
118 .keymapsize = ARRAY_SIZE(bf548_keymap),
119 .repeat = 0,
120 .debounce_time = 5000, /* ns (5ms) */
121 .coldrive_time = 1000, /* ns (1ms) */
122 .keyup_test_interval = 50, /* ms (50ms) */
125 static struct resource bf54x_kpad_resources[] = {
127 .start = IRQ_KEY,
128 .end = IRQ_KEY,
129 .flags = IORESOURCE_IRQ,
133 static struct platform_device bf54x_kpad_device = {
134 .name = "bf54x-keys",
135 .id = -1,
136 .num_resources = ARRAY_SIZE(bf54x_kpad_resources),
137 .resource = bf54x_kpad_resources,
138 .dev = {
139 .platform_data = &bf54x_kpad_data,
142 #endif
144 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
145 static struct platform_device rtc_device = {
146 .name = "rtc-bfin",
147 .id = -1,
149 #endif
151 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
152 static struct resource bfin_uart_resources[] = {
153 #ifdef CONFIG_SERIAL_BFIN_UART0
155 .start = 0xFFC00400,
156 .end = 0xFFC004FF,
157 .flags = IORESOURCE_MEM,
159 #endif
160 #ifdef CONFIG_SERIAL_BFIN_UART1
162 .start = 0xFFC02000,
163 .end = 0xFFC020FF,
164 .flags = IORESOURCE_MEM,
166 #endif
167 #ifdef CONFIG_SERIAL_BFIN_UART2
169 .start = 0xFFC02100,
170 .end = 0xFFC021FF,
171 .flags = IORESOURCE_MEM,
173 #endif
174 #ifdef CONFIG_SERIAL_BFIN_UART3
176 .start = 0xFFC03100,
177 .end = 0xFFC031FF,
179 #endif
182 static struct platform_device bfin_uart_device = {
183 .name = "bfin-uart",
184 .id = 1,
185 .num_resources = ARRAY_SIZE(bfin_uart_resources),
186 .resource = bfin_uart_resources,
188 #endif
190 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
191 static struct resource smsc911x_resources[] = {
193 .name = "smsc911x-memory",
194 .start = 0x24000000,
195 .end = 0x24000000 + 0xFF,
196 .flags = IORESOURCE_MEM,
199 .start = IRQ_PE8,
200 .end = IRQ_PE8,
201 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
204 static struct platform_device smsc911x_device = {
205 .name = "smsc911x",
206 .id = 0,
207 .num_resources = ARRAY_SIZE(smsc911x_resources),
208 .resource = smsc911x_resources,
210 #endif
212 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
213 static struct resource musb_resources[] = {
214 [0] = {
215 .start = 0xFFC03C00,
216 .end = 0xFFC040FF,
217 .flags = IORESOURCE_MEM,
219 [1] = { /* general IRQ */
220 .start = IRQ_USB_INT0,
221 .end = IRQ_USB_INT0,
222 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
224 [2] = { /* DMA IRQ */
225 .start = IRQ_USB_DMA,
226 .end = IRQ_USB_DMA,
227 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
231 static struct musb_hdrc_platform_data musb_plat = {
232 #if defined(CONFIG_USB_MUSB_OTG)
233 .mode = MUSB_OTG,
234 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
235 .mode = MUSB_HOST,
236 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
237 .mode = MUSB_PERIPHERAL,
238 #endif
239 .multipoint = 0,
242 static u64 musb_dmamask = ~(u32)0;
244 static struct platform_device musb_device = {
245 .name = "musb_hdrc",
246 .id = 0,
247 .dev = {
248 .dma_mask = &musb_dmamask,
249 .coherent_dma_mask = 0xffffffff,
250 .platform_data = &musb_plat,
252 .num_resources = ARRAY_SIZE(musb_resources),
253 .resource = musb_resources,
255 #endif
257 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
258 static struct resource bfin_atapi_resources[] = {
260 .start = 0xFFC03800,
261 .end = 0xFFC0386F,
262 .flags = IORESOURCE_MEM,
265 .start = IRQ_ATAPI_ERR,
266 .end = IRQ_ATAPI_ERR,
267 .flags = IORESOURCE_IRQ,
271 static struct platform_device bfin_atapi_device = {
272 .name = "pata-bf54x",
273 .id = -1,
274 .num_resources = ARRAY_SIZE(bfin_atapi_resources),
275 .resource = bfin_atapi_resources,
277 #endif
279 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
280 static struct mtd_partition partition_info[] = {
282 .name = "Linux Kernel",
283 .offset = 0,
284 .size = 4 * SIZE_1M,
287 .name = "File System",
288 .offset = MTDPART_OFS_APPEND,
289 .size = MTDPART_SIZ_FULL,
293 static struct bf5xx_nand_platform bf5xx_nand_platform = {
294 .page_size = NFC_PG_SIZE_256,
295 .data_width = NFC_NWIDTH_8,
296 .partitions = partition_info,
297 .nr_partitions = ARRAY_SIZE(partition_info),
298 .rd_dly = 3,
299 .wr_dly = 3,
302 static struct resource bf5xx_nand_resources[] = {
304 .start = 0xFFC03B00,
305 .end = 0xFFC03B4F,
306 .flags = IORESOURCE_MEM,
309 .start = CH_NFC,
310 .end = CH_NFC,
311 .flags = IORESOURCE_IRQ,
315 static struct platform_device bf5xx_nand_device = {
316 .name = "bf5xx-nand",
317 .id = 0,
318 .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
319 .resource = bf5xx_nand_resources,
320 .dev = {
321 .platform_data = &bf5xx_nand_platform,
324 #endif
326 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
327 static struct platform_device bf54x_sdh_device = {
328 .name = "bfin-sdh",
329 .id = 0,
331 #endif
333 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
334 static struct mtd_partition ezkit_partitions[] = {
336 .name = "Bootloader",
337 .size = 0x40000,
338 .offset = 0,
339 }, {
340 .name = "Kernel",
341 .size = 0xE0000,
342 .offset = MTDPART_OFS_APPEND,
343 }, {
344 .name = "RootFS",
345 .size = MTDPART_SIZ_FULL,
346 .offset = MTDPART_OFS_APPEND,
350 static struct physmap_flash_data ezkit_flash_data = {
351 .width = 2,
352 .parts = ezkit_partitions,
353 .nr_parts = ARRAY_SIZE(ezkit_partitions),
356 static struct resource ezkit_flash_resource = {
357 .start = 0x20000000,
358 .end = 0x20ffffff,
359 .flags = IORESOURCE_MEM,
362 static struct platform_device ezkit_flash_device = {
363 .name = "physmap-flash",
364 .id = 0,
365 .dev = {
366 .platform_data = &ezkit_flash_data,
368 .num_resources = 1,
369 .resource = &ezkit_flash_resource,
371 #endif
373 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
374 /* all SPI peripherals info goes here */
375 #if defined(CONFIG_MTD_M25P80) \
376 || defined(CONFIG_MTD_M25P80_MODULE)
377 /* SPI flash chip (m25p16) */
378 static struct mtd_partition bfin_spi_flash_partitions[] = {
380 .name = "bootloader",
381 .size = 0x00040000,
382 .offset = 0,
383 .mask_flags = MTD_CAP_ROM
384 }, {
385 .name = "linux kernel",
386 .size = MTDPART_SIZ_FULL,
387 .offset = MTDPART_OFS_APPEND,
391 static struct flash_platform_data bfin_spi_flash_data = {
392 .name = "m25p80",
393 .parts = bfin_spi_flash_partitions,
394 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
395 .type = "m25p16",
398 static struct bfin5xx_spi_chip spi_flash_chip_info = {
399 .enable_dma = 0, /* use dma transfer with this chip*/
400 .bits_per_word = 8,
401 .cs_change_per_word = 0,
403 #endif
405 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
406 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
407 .cs_change_per_word = 0,
408 .enable_dma = 0,
409 .bits_per_word = 16,
412 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
413 .model = 7877,
414 .vref_delay_usecs = 50, /* internal, no capacitor */
415 .x_plate_ohms = 419,
416 .y_plate_ohms = 486,
417 .pressure_max = 1000,
418 .pressure_min = 0,
419 .stopacq_polarity = 1,
420 .first_conversion_delay = 3,
421 .acquisition_time = 1,
422 .averaging = 1,
423 .pen_down_acc_interval = 1,
425 #endif
427 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
428 static struct bfin5xx_spi_chip spidev_chip_info = {
429 .enable_dma = 0,
430 .bits_per_word = 8,
432 #endif
434 static struct spi_board_info bf54x_spi_board_info[] __initdata = {
435 #if defined(CONFIG_MTD_M25P80) \
436 || defined(CONFIG_MTD_M25P80_MODULE)
438 /* the modalias must be the same as spi device driver name */
439 .modalias = "m25p80", /* Name of spi_driver for this device */
440 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
441 .bus_num = 0, /* Framework bus number */
442 .chip_select = 1, /* SPI_SSEL1*/
443 .platform_data = &bfin_spi_flash_data,
444 .controller_data = &spi_flash_chip_info,
445 .mode = SPI_MODE_3,
447 #endif
448 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
450 .modalias = "ad7877",
451 .platform_data = &bfin_ad7877_ts_info,
452 .irq = IRQ_PJ11,
453 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
454 .bus_num = 0,
455 .chip_select = 2,
456 .controller_data = &spi_ad7877_chip_info,
458 #endif
459 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
461 .modalias = "spidev",
462 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
463 .bus_num = 0,
464 .chip_select = 1,
465 .controller_data = &spidev_chip_info,
467 #endif
470 /* SPI (0) */
471 static struct resource bfin_spi0_resource[] = {
472 [0] = {
473 .start = SPI0_REGBASE,
474 .end = SPI0_REGBASE + 0xFF,
475 .flags = IORESOURCE_MEM,
477 [1] = {
478 .start = CH_SPI0,
479 .end = CH_SPI0,
480 .flags = IORESOURCE_IRQ,
484 /* SPI (1) */
485 static struct resource bfin_spi1_resource[] = {
486 [0] = {
487 .start = SPI1_REGBASE,
488 .end = SPI1_REGBASE + 0xFF,
489 .flags = IORESOURCE_MEM,
491 [1] = {
492 .start = CH_SPI1,
493 .end = CH_SPI1,
494 .flags = IORESOURCE_IRQ,
498 /* SPI controller data */
499 static struct bfin5xx_spi_master bf54x_spi_master_info0 = {
500 .num_chipselect = 8,
501 .enable_dma = 1, /* master has the ability to do dma transfer */
502 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
505 static struct platform_device bf54x_spi_master0 = {
506 .name = "bfin-spi",
507 .id = 0, /* Bus number */
508 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
509 .resource = bfin_spi0_resource,
510 .dev = {
511 .platform_data = &bf54x_spi_master_info0, /* Passed to driver */
515 static struct bfin5xx_spi_master bf54x_spi_master_info1 = {
516 .num_chipselect = 8,
517 .enable_dma = 1, /* master has the ability to do dma transfer */
518 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
521 static struct platform_device bf54x_spi_master1 = {
522 .name = "bfin-spi",
523 .id = 1, /* Bus number */
524 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
525 .resource = bfin_spi1_resource,
526 .dev = {
527 .platform_data = &bf54x_spi_master_info1, /* Passed to driver */
530 #endif /* spi master and devices */
532 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
533 static struct resource bfin_twi0_resource[] = {
534 [0] = {
535 .start = TWI0_REGBASE,
536 .end = TWI0_REGBASE + 0xFF,
537 .flags = IORESOURCE_MEM,
539 [1] = {
540 .start = IRQ_TWI0,
541 .end = IRQ_TWI0,
542 .flags = IORESOURCE_IRQ,
546 static struct platform_device i2c_bfin_twi0_device = {
547 .name = "i2c-bfin-twi",
548 .id = 0,
549 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
550 .resource = bfin_twi0_resource,
553 #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
554 static struct resource bfin_twi1_resource[] = {
555 [0] = {
556 .start = TWI1_REGBASE,
557 .end = TWI1_REGBASE + 0xFF,
558 .flags = IORESOURCE_MEM,
560 [1] = {
561 .start = IRQ_TWI1,
562 .end = IRQ_TWI1,
563 .flags = IORESOURCE_IRQ,
567 static struct platform_device i2c_bfin_twi1_device = {
568 .name = "i2c-bfin-twi",
569 .id = 1,
570 .num_resources = ARRAY_SIZE(bfin_twi1_resource),
571 .resource = bfin_twi1_resource,
573 #endif
574 #endif
576 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
577 #include <linux/gpio_keys.h>
579 static struct gpio_keys_button bfin_gpio_keys_table[] = {
580 {BTN_0, GPIO_PB8, 1, "gpio-keys: BTN0"},
581 {BTN_1, GPIO_PB9, 1, "gpio-keys: BTN1"},
582 {BTN_2, GPIO_PB10, 1, "gpio-keys: BTN2"},
583 {BTN_3, GPIO_PB11, 1, "gpio-keys: BTN3"},
586 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
587 .buttons = bfin_gpio_keys_table,
588 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
591 static struct platform_device bfin_device_gpiokeys = {
592 .name = "gpio-keys",
593 .dev = {
594 .platform_data = &bfin_gpio_keys_data,
597 #endif
599 static struct resource bfin_gpios_resources = {
600 .start = 0,
601 .end = MAX_BLACKFIN_GPIOS - 1,
602 .flags = IORESOURCE_IRQ,
605 static struct platform_device bfin_gpios_device = {
606 .name = "simple-gpio",
607 .id = -1,
608 .num_resources = 1,
609 .resource = &bfin_gpios_resources,
612 static struct platform_device *ezkit_devices[] __initdata = {
613 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
614 &rtc_device,
615 #endif
617 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
618 &bfin_uart_device,
619 #endif
621 #if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
622 &bf54x_lq043_device,
623 #endif
625 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
626 &smsc911x_device,
627 #endif
629 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
630 &musb_device,
631 #endif
633 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
634 &bfin_atapi_device,
635 #endif
637 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
638 &bf5xx_nand_device,
639 #endif
641 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
642 &bf54x_sdh_device,
643 #endif
645 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
646 &bf54x_spi_master0,
647 &bf54x_spi_master1,
648 #endif
650 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
651 &bf54x_kpad_device,
652 #endif
654 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
655 &i2c_bfin_twi0_device,
656 #if !defined(CONFIG_BF542)
657 &i2c_bfin_twi1_device,
658 #endif
659 #endif
661 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
662 &bfin_device_gpiokeys,
663 #endif
665 &bfin_gpios_device,
667 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
668 &ezkit_flash_device,
669 #endif
672 static int __init ezkit_init(void)
674 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
675 platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
677 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
678 spi_register_board_info(bf54x_spi_board_info,
679 ARRAY_SIZE(bf54x_spi_board_info));
680 #endif
682 return 0;
685 arch_initcall(ezkit_init);