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[linux-2.6/next.git] / arch / arm / mach-at91 / board-sam9261ek.c
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1 /*
2 * linux/arch/arm/mach-at91/board-sam9261ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/types.h>
23 #include <linux/init.h>
24 #include <linux/mm.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/spi/at73c213.h>
30 #include <linux/clk.h>
31 #include <linux/dm9000.h>
32 #include <linux/fb.h>
33 #include <linux/gpio_keys.h>
34 #include <linux/input.h>
36 #include <video/atmel_lcdc.h>
38 #include <asm/setup.h>
39 #include <asm/mach-types.h>
40 #include <asm/irq.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
46 #include <mach/hardware.h>
47 #include <mach/board.h>
48 #include <mach/gpio.h>
49 #include <mach/at91sam9_smc.h>
50 #include <mach/at91_shdwc.h>
51 #include <mach/system_rev.h>
53 #include "sam9_smc.h"
54 #include "generic.h"
57 static void __init ek_init_early(void)
59 /* Initialize processor: 18.432 MHz crystal */
60 at91sam9261_initialize(18432000);
62 /* Setup the LEDs */
63 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
65 /* DBGU on ttyS0. (Rx & Tx only) */
66 at91_register_uart(0, 0, 0);
68 /* set serial console to ttyS0 (ie, DBGU) */
69 at91_set_serial_console(0);
72 static void __init ek_init_irq(void)
74 at91sam9261_init_interrupts(NULL);
79 * DM9000 ethernet device
81 #if defined(CONFIG_DM9000)
82 static struct resource dm9000_resource[] = {
83 [0] = {
84 .start = AT91_CHIPSELECT_2,
85 .end = AT91_CHIPSELECT_2 + 3,
86 .flags = IORESOURCE_MEM
88 [1] = {
89 .start = AT91_CHIPSELECT_2 + 0x44,
90 .end = AT91_CHIPSELECT_2 + 0xFF,
91 .flags = IORESOURCE_MEM
93 [2] = {
94 .start = AT91_PIN_PC11,
95 .end = AT91_PIN_PC11,
96 .flags = IORESOURCE_IRQ
97 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
101 static struct dm9000_plat_data dm9000_platdata = {
102 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
105 static struct platform_device dm9000_device = {
106 .name = "dm9000",
107 .id = 0,
108 .num_resources = ARRAY_SIZE(dm9000_resource),
109 .resource = dm9000_resource,
110 .dev = {
111 .platform_data = &dm9000_platdata,
116 * SMC timings for the DM9000.
117 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
119 static struct sam9_smc_config __initdata dm9000_smc_config = {
120 .ncs_read_setup = 0,
121 .nrd_setup = 2,
122 .ncs_write_setup = 0,
123 .nwe_setup = 2,
125 .ncs_read_pulse = 8,
126 .nrd_pulse = 4,
127 .ncs_write_pulse = 8,
128 .nwe_pulse = 4,
130 .read_cycle = 16,
131 .write_cycle = 16,
133 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
134 .tdf_cycles = 1,
137 static void __init ek_add_device_dm9000(void)
139 /* Configure chip-select 2 (DM9000) */
140 sam9_smc_configure(2, &dm9000_smc_config);
142 /* Configure Reset signal as output */
143 at91_set_gpio_output(AT91_PIN_PC10, 0);
145 /* Configure Interrupt pin as input, no pull-up */
146 at91_set_gpio_input(AT91_PIN_PC11, 0);
148 platform_device_register(&dm9000_device);
150 #else
151 static void __init ek_add_device_dm9000(void) {}
152 #endif /* CONFIG_DM9000 */
156 * USB Host Port
158 static struct at91_usbh_data __initdata ek_usbh_data = {
159 .ports = 2,
164 * USB Device Port
166 static struct at91_udc_data __initdata ek_udc_data = {
167 .vbus_pin = AT91_PIN_PB29,
168 .pullup_pin = 0, /* pull-up driven by UDC */
173 * NAND flash
175 static struct mtd_partition __initdata ek_nand_partition[] = {
177 .name = "Partition 1",
178 .offset = 0,
179 .size = SZ_256K,
182 .name = "Partition 2",
183 .offset = MTDPART_OFS_NXTBLK,
184 .size = MTDPART_SIZ_FULL,
188 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
190 *num_partitions = ARRAY_SIZE(ek_nand_partition);
191 return ek_nand_partition;
194 static struct atmel_nand_data __initdata ek_nand_data = {
195 .ale = 22,
196 .cle = 21,
197 // .det_pin = ... not connected
198 .rdy_pin = AT91_PIN_PC15,
199 .enable_pin = AT91_PIN_PC14,
200 .partition_info = nand_partitions,
203 static struct sam9_smc_config __initdata ek_nand_smc_config = {
204 .ncs_read_setup = 0,
205 .nrd_setup = 1,
206 .ncs_write_setup = 0,
207 .nwe_setup = 1,
209 .ncs_read_pulse = 3,
210 .nrd_pulse = 3,
211 .ncs_write_pulse = 3,
212 .nwe_pulse = 3,
214 .read_cycle = 5,
215 .write_cycle = 5,
217 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
218 .tdf_cycles = 2,
221 static void __init ek_add_device_nand(void)
223 ek_nand_data.bus_width_16 = !board_have_nand_8bit();
224 /* setup bus-width (8 or 16) */
225 if (ek_nand_data.bus_width_16)
226 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
227 else
228 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
230 /* configure chip-select 3 (NAND) */
231 sam9_smc_configure(3, &ek_nand_smc_config);
233 at91_add_device_nand(&ek_nand_data);
237 * SPI related devices
239 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
242 * ADS7846 Touchscreen
244 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
246 static int ads7843_pendown_state(void)
248 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
251 static struct ads7846_platform_data ads_info = {
252 .model = 7843,
253 .x_min = 150,
254 .x_max = 3830,
255 .y_min = 190,
256 .y_max = 3830,
257 .vref_delay_usecs = 100,
258 .x_plate_ohms = 450,
259 .y_plate_ohms = 250,
260 .pressure_max = 15000,
261 .debounce_max = 1,
262 .debounce_rep = 0,
263 .debounce_tol = (~0),
264 .get_pendown_state = ads7843_pendown_state,
267 static void __init ek_add_device_ts(void)
269 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
270 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
272 #else
273 static void __init ek_add_device_ts(void) {}
274 #endif
277 * Audio
279 static struct at73c213_board_info at73c213_data = {
280 .ssc_id = 1,
281 #if defined(CONFIG_MACH_AT91SAM9261EK)
282 .shortname = "AT91SAM9261-EK external DAC",
283 #else
284 .shortname = "AT91SAM9G10-EK external DAC",
285 #endif
288 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
289 static void __init at73c213_set_clk(struct at73c213_board_info *info)
291 struct clk *pck2;
292 struct clk *plla;
294 pck2 = clk_get(NULL, "pck2");
295 plla = clk_get(NULL, "plla");
297 /* AT73C213 MCK Clock */
298 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
300 clk_set_parent(pck2, plla);
301 clk_put(plla);
303 info->dac_clk = pck2;
305 #else
306 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
307 #endif
310 * SPI devices
312 static struct spi_board_info ek_spi_devices[] = {
313 { /* DataFlash chip */
314 .modalias = "mtd_dataflash",
315 .chip_select = 0,
316 .max_speed_hz = 15 * 1000 * 1000,
317 .bus_num = 0,
319 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
321 .modalias = "ads7846",
322 .chip_select = 2,
323 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
324 .bus_num = 0,
325 .platform_data = &ads_info,
326 .irq = AT91SAM9261_ID_IRQ0,
327 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
329 #endif
330 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
331 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
332 .modalias = "mtd_dataflash",
333 .chip_select = 3,
334 .max_speed_hz = 15 * 1000 * 1000,
335 .bus_num = 0,
337 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
338 { /* AT73C213 DAC */
339 .modalias = "at73c213",
340 .chip_select = 3,
341 .max_speed_hz = 10 * 1000 * 1000,
342 .bus_num = 0,
343 .mode = SPI_MODE_1,
344 .platform_data = &at73c213_data,
345 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
347 #endif
350 #else /* CONFIG_SPI_ATMEL_* */
351 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
354 * MCI (SD/MMC)
355 * det_pin, wp_pin and vcc_pin are not connected
357 static struct at91_mmc_data __initdata ek_mmc_data = {
358 .wire4 = 1,
361 #endif /* CONFIG_SPI_ATMEL_* */
365 * LCD Controller
367 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
369 #if defined(CONFIG_FB_ATMEL_STN)
371 /* STN */
372 static struct fb_videomode at91_stn_modes[] = {
374 .name = "SP06Q002 @ 75",
375 .refresh = 75,
376 .xres = 320, .yres = 240,
377 .pixclock = KHZ2PICOS(1440),
379 .left_margin = 1, .right_margin = 1,
380 .upper_margin = 0, .lower_margin = 0,
381 .hsync_len = 1, .vsync_len = 1,
383 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
384 .vmode = FB_VMODE_NONINTERLACED,
388 static struct fb_monspecs at91fb_default_stn_monspecs = {
389 .manufacturer = "HIT",
390 .monitor = "SP06Q002",
392 .modedb = at91_stn_modes,
393 .modedb_len = ARRAY_SIZE(at91_stn_modes),
394 .hfmin = 15000,
395 .hfmax = 64000,
396 .vfmin = 50,
397 .vfmax = 150,
400 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
401 | ATMEL_LCDC_DISTYPE_STNMONO \
402 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
403 | ATMEL_LCDC_IFWIDTH_4 \
404 | ATMEL_LCDC_SCANMOD_SINGLE)
406 static void at91_lcdc_stn_power_control(int on)
408 /* backlight */
409 if (on) { /* power up */
410 at91_set_gpio_value(AT91_PIN_PC14, 0);
411 at91_set_gpio_value(AT91_PIN_PC15, 0);
412 } else { /* power down */
413 at91_set_gpio_value(AT91_PIN_PC14, 1);
414 at91_set_gpio_value(AT91_PIN_PC15, 1);
418 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
419 .default_bpp = 1,
420 .default_dmacon = ATMEL_LCDC_DMAEN,
421 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
422 .default_monspecs = &at91fb_default_stn_monspecs,
423 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
424 .guard_time = 1,
425 #if defined(CONFIG_MACH_AT91SAM9G10EK)
426 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
427 #endif
430 #else
432 /* TFT */
433 static struct fb_videomode at91_tft_vga_modes[] = {
435 .name = "TX09D50VM1CCA @ 60",
436 .refresh = 60,
437 .xres = 240, .yres = 320,
438 .pixclock = KHZ2PICOS(4965),
440 .left_margin = 1, .right_margin = 33,
441 .upper_margin = 1, .lower_margin = 0,
442 .hsync_len = 5, .vsync_len = 1,
444 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
445 .vmode = FB_VMODE_NONINTERLACED,
449 static struct fb_monspecs at91fb_default_tft_monspecs = {
450 .manufacturer = "HIT",
451 .monitor = "TX09D50VM1CCA",
453 .modedb = at91_tft_vga_modes,
454 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
455 .hfmin = 15000,
456 .hfmax = 64000,
457 .vfmin = 50,
458 .vfmax = 150,
461 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
462 | ATMEL_LCDC_DISTYPE_TFT \
463 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
465 static void at91_lcdc_tft_power_control(int on)
467 if (on)
468 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
469 else
470 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
473 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
474 .lcdcon_is_backlight = true,
475 .default_bpp = 16,
476 .default_dmacon = ATMEL_LCDC_DMAEN,
477 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
478 .default_monspecs = &at91fb_default_tft_monspecs,
479 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
480 .guard_time = 1,
481 #if defined(CONFIG_MACH_AT91SAM9G10EK)
482 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
483 #endif
485 #endif
487 #else
488 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
489 #endif
493 * GPIO Buttons
495 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
496 static struct gpio_keys_button ek_buttons[] = {
498 .gpio = AT91_PIN_PA27,
499 .code = BTN_0,
500 .desc = "Button 0",
501 .active_low = 1,
502 .wakeup = 1,
505 .gpio = AT91_PIN_PA26,
506 .code = BTN_1,
507 .desc = "Button 1",
508 .active_low = 1,
509 .wakeup = 1,
512 .gpio = AT91_PIN_PA25,
513 .code = BTN_2,
514 .desc = "Button 2",
515 .active_low = 1,
516 .wakeup = 1,
519 .gpio = AT91_PIN_PA24,
520 .code = BTN_3,
521 .desc = "Button 3",
522 .active_low = 1,
523 .wakeup = 1,
527 static struct gpio_keys_platform_data ek_button_data = {
528 .buttons = ek_buttons,
529 .nbuttons = ARRAY_SIZE(ek_buttons),
532 static struct platform_device ek_button_device = {
533 .name = "gpio-keys",
534 .id = -1,
535 .num_resources = 0,
536 .dev = {
537 .platform_data = &ek_button_data,
541 static void __init ek_add_device_buttons(void)
543 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
544 at91_set_deglitch(AT91_PIN_PA27, 1);
545 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
546 at91_set_deglitch(AT91_PIN_PA26, 1);
547 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
548 at91_set_deglitch(AT91_PIN_PA25, 1);
549 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
550 at91_set_deglitch(AT91_PIN_PA24, 1);
552 platform_device_register(&ek_button_device);
554 #else
555 static void __init ek_add_device_buttons(void) {}
556 #endif
559 * LEDs
561 static struct gpio_led ek_leds[] = {
562 { /* "bottom" led, green, userled1 to be defined */
563 .name = "ds7",
564 .gpio = AT91_PIN_PA14,
565 .active_low = 1,
566 .default_trigger = "none",
568 { /* "top" led, green, userled2 to be defined */
569 .name = "ds8",
570 .gpio = AT91_PIN_PA13,
571 .active_low = 1,
572 .default_trigger = "none",
574 { /* "power" led, yellow */
575 .name = "ds1",
576 .gpio = AT91_PIN_PA23,
577 .default_trigger = "heartbeat",
581 static void __init ek_board_init(void)
583 /* Serial */
584 at91_add_device_serial();
585 /* USB Host */
586 at91_add_device_usbh(&ek_usbh_data);
587 /* USB Device */
588 at91_add_device_udc(&ek_udc_data);
589 /* I2C */
590 at91_add_device_i2c(NULL, 0);
591 /* NAND */
592 ek_add_device_nand();
593 /* DM9000 ethernet */
594 ek_add_device_dm9000();
596 /* spi0 and mmc/sd share the same PIO pins */
597 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
598 /* SPI */
599 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
600 /* Touchscreen */
601 ek_add_device_ts();
602 /* SSC (to AT73C213) */
603 at73c213_set_clk(&at73c213_data);
604 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
605 #else
606 /* MMC */
607 at91_add_device_mmc(0, &ek_mmc_data);
608 #endif
609 /* LCD Controller */
610 at91_add_device_lcdc(&ek_lcdc_data);
611 /* Push Buttons */
612 ek_add_device_buttons();
613 /* LEDs */
614 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
617 #if defined(CONFIG_MACH_AT91SAM9261EK)
618 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
619 #else
620 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
621 #endif
622 /* Maintainer: Atmel */
623 .timer = &at91sam926x_timer,
624 .map_io = at91sam9261_map_io,
625 .init_early = ek_init_early,
626 .init_irq = ek_init_irq,
627 .init_machine = ek_board_init,
628 MACHINE_END