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>
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>
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>
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>
56 static void __init ek_map_io(void)
58 /* Initialize processor: 18.432 MHz crystal */
59 at91sam9261_initialize(18432000);
62 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
64 /* DBGU on ttyS0. (Rx & Tx only) */
65 at91_register_uart(0, 0, 0);
67 /* set serial console to ttyS0 (ie, DBGU) */
68 at91_set_serial_console(0);
71 static void __init ek_init_irq(void)
73 at91sam9261_init_interrupts(NULL);
78 * DM9000 ethernet device
80 #if defined(CONFIG_DM9000)
81 static struct resource dm9000_resource[] = {
83 .start = AT91_CHIPSELECT_2,
84 .end = AT91_CHIPSELECT_2 + 3,
85 .flags = IORESOURCE_MEM
88 .start = AT91_CHIPSELECT_2 + 0x44,
89 .end = AT91_CHIPSELECT_2 + 0xFF,
90 .flags = IORESOURCE_MEM
93 .start = AT91_PIN_PC11,
95 .flags = IORESOURCE_IRQ
96 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
100 static struct dm9000_plat_data dm9000_platdata = {
101 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
104 static struct platform_device dm9000_device = {
107 .num_resources = ARRAY_SIZE(dm9000_resource),
108 .resource = dm9000_resource,
110 .platform_data = &dm9000_platdata,
115 * SMC timings for the DM9000.
116 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
118 static struct sam9_smc_config __initdata dm9000_smc_config = {
121 .ncs_write_setup = 0,
126 .ncs_write_pulse = 8,
132 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
136 static void __init ek_add_device_dm9000(void)
138 /* Configure chip-select 2 (DM9000) */
139 sam9_smc_configure(2, &dm9000_smc_config);
141 /* Configure Reset signal as output */
142 at91_set_gpio_output(AT91_PIN_PC10, 0);
144 /* Configure Interrupt pin as input, no pull-up */
145 at91_set_gpio_input(AT91_PIN_PC11, 0);
147 platform_device_register(&dm9000_device);
150 static void __init ek_add_device_dm9000(void) {}
151 #endif /* CONFIG_DM9000 */
157 static struct at91_usbh_data __initdata ek_usbh_data = {
165 static struct at91_udc_data __initdata ek_udc_data = {
166 .vbus_pin = AT91_PIN_PB29,
167 .pullup_pin = 0, /* pull-up driven by UDC */
174 static struct mtd_partition __initdata ek_nand_partition[] = {
176 .name = "Partition 1",
181 .name = "Partition 2",
182 .offset = MTDPART_OFS_NXTBLK,
183 .size = MTDPART_SIZ_FULL,
187 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
189 *num_partitions = ARRAY_SIZE(ek_nand_partition);
190 return ek_nand_partition;
193 static struct atmel_nand_data __initdata ek_nand_data = {
196 // .det_pin = ... not connected
197 .rdy_pin = AT91_PIN_PC15,
198 .enable_pin = AT91_PIN_PC14,
199 .partition_info = nand_partitions,
200 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
207 static struct sam9_smc_config __initdata ek_nand_smc_config = {
210 .ncs_write_setup = 0,
215 .ncs_write_pulse = 3,
221 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
225 static void __init ek_add_device_nand(void)
227 /* setup bus-width (8 or 16) */
228 if (ek_nand_data.bus_width_16)
229 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
231 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
233 /* configure chip-select 3 (NAND) */
234 sam9_smc_configure(3, &ek_nand_smc_config);
236 at91_add_device_nand(&ek_nand_data);
240 * SPI related devices
242 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
245 * ADS7846 Touchscreen
247 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
249 static int ads7843_pendown_state(void)
251 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
254 static struct ads7846_platform_data ads_info = {
260 .vref_delay_usecs = 100,
263 .pressure_max = 15000,
266 .debounce_tol = (~0),
267 .get_pendown_state = ads7843_pendown_state,
270 static void __init ek_add_device_ts(void)
272 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
273 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
276 static void __init ek_add_device_ts(void) {}
282 static struct at73c213_board_info at73c213_data = {
284 #if defined(CONFIG_MACH_AT91SAM9261EK)
285 .shortname = "AT91SAM9261-EK external DAC",
287 .shortname = "AT91SAM9G10-EK external DAC",
291 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
292 static void __init at73c213_set_clk(struct at73c213_board_info *info)
297 pck2 = clk_get(NULL, "pck2");
298 plla = clk_get(NULL, "plla");
300 /* AT73C213 MCK Clock */
301 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
303 clk_set_parent(pck2, plla);
306 info->dac_clk = pck2;
309 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
315 static struct spi_board_info ek_spi_devices[] = {
316 { /* DataFlash chip */
317 .modalias = "mtd_dataflash",
319 .max_speed_hz = 15 * 1000 * 1000,
322 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
324 .modalias = "ads7846",
326 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
328 .platform_data = &ads_info,
329 .irq = AT91SAM9261_ID_IRQ0,
330 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
333 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
334 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
335 .modalias = "mtd_dataflash",
337 .max_speed_hz = 15 * 1000 * 1000,
340 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
342 .modalias = "at73c213",
344 .max_speed_hz = 10 * 1000 * 1000,
347 .platform_data = &at73c213_data,
348 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
353 #else /* CONFIG_SPI_ATMEL_* */
354 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
358 * det_pin, wp_pin and vcc_pin are not connected
360 static struct at91_mmc_data __initdata ek_mmc_data = {
364 #endif /* CONFIG_SPI_ATMEL_* */
370 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
372 #if defined(CONFIG_FB_ATMEL_STN)
375 static struct fb_videomode at91_stn_modes[] = {
377 .name = "SP06Q002 @ 75",
379 .xres = 320, .yres = 240,
380 .pixclock = KHZ2PICOS(1440),
382 .left_margin = 1, .right_margin = 1,
383 .upper_margin = 0, .lower_margin = 0,
384 .hsync_len = 1, .vsync_len = 1,
386 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
387 .vmode = FB_VMODE_NONINTERLACED,
391 static struct fb_monspecs at91fb_default_stn_monspecs = {
392 .manufacturer = "HIT",
393 .monitor = "SP06Q002",
395 .modedb = at91_stn_modes,
396 .modedb_len = ARRAY_SIZE(at91_stn_modes),
403 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
404 | ATMEL_LCDC_DISTYPE_STNMONO \
405 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
406 | ATMEL_LCDC_IFWIDTH_4 \
407 | ATMEL_LCDC_SCANMOD_SINGLE)
409 static void at91_lcdc_stn_power_control(int on)
412 if (on) { /* power up */
413 at91_set_gpio_value(AT91_PIN_PC14, 0);
414 at91_set_gpio_value(AT91_PIN_PC15, 0);
415 } else { /* power down */
416 at91_set_gpio_value(AT91_PIN_PC14, 1);
417 at91_set_gpio_value(AT91_PIN_PC15, 1);
421 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
423 .default_dmacon = ATMEL_LCDC_DMAEN,
424 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
425 .default_monspecs = &at91fb_default_stn_monspecs,
426 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
428 #if defined(CONFIG_MACH_AT91SAM9G10EK)
429 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
436 static struct fb_videomode at91_tft_vga_modes[] = {
438 .name = "TX09D50VM1CCA @ 60",
440 .xres = 240, .yres = 320,
441 .pixclock = KHZ2PICOS(4965),
443 .left_margin = 1, .right_margin = 33,
444 .upper_margin = 1, .lower_margin = 0,
445 .hsync_len = 5, .vsync_len = 1,
447 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
448 .vmode = FB_VMODE_NONINTERLACED,
452 static struct fb_monspecs at91fb_default_tft_monspecs = {
453 .manufacturer = "HIT",
454 .monitor = "TX09D50VM1CCA",
456 .modedb = at91_tft_vga_modes,
457 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
464 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
465 | ATMEL_LCDC_DISTYPE_TFT \
466 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
468 static void at91_lcdc_tft_power_control(int on)
471 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
473 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
476 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
477 .lcdcon_is_backlight = true,
479 .default_dmacon = ATMEL_LCDC_DMAEN,
480 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
481 .default_monspecs = &at91fb_default_tft_monspecs,
482 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
484 #if defined(CONFIG_MACH_AT91SAM9G10EK)
485 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
491 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
498 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
499 static struct gpio_keys_button ek_buttons[] = {
501 .gpio = AT91_PIN_PA27,
508 .gpio = AT91_PIN_PA26,
515 .gpio = AT91_PIN_PA25,
522 .gpio = AT91_PIN_PA24,
530 static struct gpio_keys_platform_data ek_button_data = {
531 .buttons = ek_buttons,
532 .nbuttons = ARRAY_SIZE(ek_buttons),
535 static struct platform_device ek_button_device = {
540 .platform_data = &ek_button_data,
544 static void __init ek_add_device_buttons(void)
546 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
547 at91_set_deglitch(AT91_PIN_PA27, 1);
548 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
549 at91_set_deglitch(AT91_PIN_PA26, 1);
550 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
551 at91_set_deglitch(AT91_PIN_PA25, 1);
552 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
553 at91_set_deglitch(AT91_PIN_PA24, 1);
555 platform_device_register(&ek_button_device);
558 static void __init ek_add_device_buttons(void) {}
564 static struct gpio_led ek_leds[] = {
565 { /* "bottom" led, green, userled1 to be defined */
567 .gpio = AT91_PIN_PA14,
569 .default_trigger = "none",
571 { /* "top" led, green, userled2 to be defined */
573 .gpio = AT91_PIN_PA13,
575 .default_trigger = "none",
577 { /* "power" led, yellow */
579 .gpio = AT91_PIN_PA23,
580 .default_trigger = "heartbeat",
584 static void __init ek_board_init(void)
587 at91_add_device_serial();
589 at91_add_device_usbh(&ek_usbh_data);
591 at91_add_device_udc(&ek_udc_data);
593 at91_add_device_i2c(NULL, 0);
595 ek_add_device_nand();
596 /* DM9000 ethernet */
597 ek_add_device_dm9000();
599 /* spi0 and mmc/sd share the same PIO pins */
600 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
602 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
605 /* SSC (to AT73C213) */
606 at73c213_set_clk(&at73c213_data);
607 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
610 at91_add_device_mmc(0, &ek_mmc_data);
613 at91_add_device_lcdc(&ek_lcdc_data);
615 ek_add_device_buttons();
617 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
620 #if defined(CONFIG_MACH_AT91SAM9261EK)
621 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
623 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
625 /* Maintainer: Atmel */
626 .boot_params = AT91_SDRAM_BASE + 0x100,
627 .timer = &at91sam926x_timer,
629 .init_irq = ek_init_irq,
630 .init_machine = ek_board_init,