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/gpio.h>
24 #include <linux/init.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/spi/at73c213.h>
31 #include <linux/clk.h>
32 #include <linux/dm9000.h>
34 #include <linux/gpio_keys.h>
35 #include <linux/input.h>
37 #include <video/atmel_lcdc.h>
39 #include <asm/setup.h>
40 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
47 #include <mach/hardware.h>
48 #include <mach/board.h>
49 #include <mach/at91sam9_smc.h>
50 #include <mach/at91_shdwc.h>
51 #include <mach/system_rev.h>
57 static void __init ek_init_early(void)
59 /* Initialize processor: 18.432 MHz crystal */
60 at91_initialize(18432000);
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);
73 * DM9000 ethernet device
75 #if defined(CONFIG_DM9000)
76 static struct resource dm9000_resource[] = {
78 .start = AT91_CHIPSELECT_2,
79 .end = AT91_CHIPSELECT_2 + 3,
80 .flags = IORESOURCE_MEM
83 .start = AT91_CHIPSELECT_2 + 0x44,
84 .end = AT91_CHIPSELECT_2 + 0xFF,
85 .flags = IORESOURCE_MEM
88 .flags = IORESOURCE_IRQ
89 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
93 static struct dm9000_plat_data dm9000_platdata = {
94 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
97 static struct platform_device dm9000_device = {
100 .num_resources = ARRAY_SIZE(dm9000_resource),
101 .resource = dm9000_resource,
103 .platform_data = &dm9000_platdata,
108 * SMC timings for the DM9000.
109 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
111 static struct sam9_smc_config __initdata dm9000_smc_config = {
114 .ncs_write_setup = 0,
119 .ncs_write_pulse = 8,
125 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
129 static void __init ek_add_device_dm9000(void)
131 struct resource *r = &dm9000_resource[2];
133 /* Configure chip-select 2 (DM9000) */
134 sam9_smc_configure(0, 2, &dm9000_smc_config);
136 /* Configure Reset signal as output */
137 at91_set_gpio_output(AT91_PIN_PC10, 0);
139 /* Configure Interrupt pin as input, no pull-up */
140 at91_set_gpio_input(AT91_PIN_PC11, 0);
142 r->start = r->end = gpio_to_irq(AT91_PIN_PC11);
143 platform_device_register(&dm9000_device);
146 static void __init ek_add_device_dm9000(void) {}
147 #endif /* CONFIG_DM9000 */
153 static struct at91_usbh_data __initdata ek_usbh_data = {
155 .vbus_pin = {-EINVAL, -EINVAL},
156 .overcurrent_pin= {-EINVAL, -EINVAL},
163 static struct at91_udc_data __initdata ek_udc_data = {
164 .vbus_pin = AT91_PIN_PB29,
165 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
172 static struct mtd_partition __initdata ek_nand_partition[] = {
174 .name = "Partition 1",
179 .name = "Partition 2",
180 .offset = MTDPART_OFS_NXTBLK,
181 .size = MTDPART_SIZ_FULL,
185 static struct atmel_nand_data __initdata ek_nand_data = {
189 .rdy_pin = AT91_PIN_PC15,
190 .enable_pin = AT91_PIN_PC14,
191 .ecc_mode = NAND_ECC_SOFT,
193 .parts = ek_nand_partition,
194 .num_parts = ARRAY_SIZE(ek_nand_partition),
197 static struct sam9_smc_config __initdata ek_nand_smc_config = {
200 .ncs_write_setup = 0,
205 .ncs_write_pulse = 3,
211 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
215 static void __init ek_add_device_nand(void)
217 ek_nand_data.bus_width_16 = board_have_nand_16bit();
218 /* setup bus-width (8 or 16) */
219 if (ek_nand_data.bus_width_16)
220 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
222 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
224 /* configure chip-select 3 (NAND) */
225 sam9_smc_configure(0, 3, &ek_nand_smc_config);
227 at91_add_device_nand(&ek_nand_data);
231 * SPI related devices
233 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
236 * ADS7846 Touchscreen
238 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
240 static int ads7843_pendown_state(void)
242 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
245 static struct ads7846_platform_data ads_info = {
251 .vref_delay_usecs = 100,
254 .pressure_max = 15000,
257 .debounce_tol = (~0),
258 .get_pendown_state = ads7843_pendown_state,
261 static void __init ek_add_device_ts(void)
263 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
264 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
267 static void __init ek_add_device_ts(void) {}
273 static struct at73c213_board_info at73c213_data = {
275 #if defined(CONFIG_MACH_AT91SAM9261EK)
276 .shortname = "AT91SAM9261-EK external DAC",
278 .shortname = "AT91SAM9G10-EK external DAC",
282 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
283 static void __init at73c213_set_clk(struct at73c213_board_info *info)
288 pck2 = clk_get(NULL, "pck2");
289 plla = clk_get(NULL, "plla");
291 /* AT73C213 MCK Clock */
292 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
294 clk_set_parent(pck2, plla);
297 info->dac_clk = pck2;
300 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
306 static struct spi_board_info ek_spi_devices[] = {
307 { /* DataFlash chip */
308 .modalias = "mtd_dataflash",
310 .max_speed_hz = 15 * 1000 * 1000,
313 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
315 .modalias = "ads7846",
317 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
319 .platform_data = &ads_info,
320 .irq = AT91SAM9261_ID_IRQ0,
321 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
324 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
325 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
326 .modalias = "mtd_dataflash",
328 .max_speed_hz = 15 * 1000 * 1000,
331 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
333 .modalias = "at73c213",
335 .max_speed_hz = 10 * 1000 * 1000,
338 .platform_data = &at73c213_data,
339 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
344 #else /* CONFIG_SPI_ATMEL_* */
345 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
349 * det_pin, wp_pin and vcc_pin are not connected
351 static struct at91_mmc_data __initdata ek_mmc_data = {
358 #endif /* CONFIG_SPI_ATMEL_* */
364 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
366 #if defined(CONFIG_FB_ATMEL_STN)
369 static struct fb_videomode at91_stn_modes[] = {
371 .name = "SP06Q002 @ 75",
373 .xres = 320, .yres = 240,
374 .pixclock = KHZ2PICOS(1440),
376 .left_margin = 1, .right_margin = 1,
377 .upper_margin = 0, .lower_margin = 0,
378 .hsync_len = 1, .vsync_len = 1,
380 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
381 .vmode = FB_VMODE_NONINTERLACED,
385 static struct fb_monspecs at91fb_default_stn_monspecs = {
386 .manufacturer = "HIT",
387 .monitor = "SP06Q002",
389 .modedb = at91_stn_modes,
390 .modedb_len = ARRAY_SIZE(at91_stn_modes),
397 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
398 | ATMEL_LCDC_DISTYPE_STNMONO \
399 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
400 | ATMEL_LCDC_IFWIDTH_4 \
401 | ATMEL_LCDC_SCANMOD_SINGLE)
403 static void at91_lcdc_stn_power_control(int on)
406 if (on) { /* power up */
407 at91_set_gpio_value(AT91_PIN_PC14, 0);
408 at91_set_gpio_value(AT91_PIN_PC15, 0);
409 } else { /* power down */
410 at91_set_gpio_value(AT91_PIN_PC14, 1);
411 at91_set_gpio_value(AT91_PIN_PC15, 1);
415 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
417 .default_dmacon = ATMEL_LCDC_DMAEN,
418 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
419 .default_monspecs = &at91fb_default_stn_monspecs,
420 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
422 #if defined(CONFIG_MACH_AT91SAM9G10EK)
423 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
430 static struct fb_videomode at91_tft_vga_modes[] = {
432 .name = "TX09D50VM1CCA @ 60",
434 .xres = 240, .yres = 320,
435 .pixclock = KHZ2PICOS(4965),
437 .left_margin = 1, .right_margin = 33,
438 .upper_margin = 1, .lower_margin = 0,
439 .hsync_len = 5, .vsync_len = 1,
441 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
442 .vmode = FB_VMODE_NONINTERLACED,
446 static struct fb_monspecs at91fb_default_tft_monspecs = {
447 .manufacturer = "HIT",
448 .monitor = "TX09D50VM1CCA",
450 .modedb = at91_tft_vga_modes,
451 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
458 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
459 | ATMEL_LCDC_DISTYPE_TFT \
460 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
462 static void at91_lcdc_tft_power_control(int on)
465 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
467 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
470 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
471 .lcdcon_is_backlight = true,
473 .default_dmacon = ATMEL_LCDC_DMAEN,
474 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
475 .default_monspecs = &at91fb_default_tft_monspecs,
476 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
478 #if defined(CONFIG_MACH_AT91SAM9G10EK)
479 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
485 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
492 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
493 static struct gpio_keys_button ek_buttons[] = {
495 .gpio = AT91_PIN_PA27,
502 .gpio = AT91_PIN_PA26,
509 .gpio = AT91_PIN_PA25,
516 .gpio = AT91_PIN_PA24,
524 static struct gpio_keys_platform_data ek_button_data = {
525 .buttons = ek_buttons,
526 .nbuttons = ARRAY_SIZE(ek_buttons),
529 static struct platform_device ek_button_device = {
534 .platform_data = &ek_button_data,
538 static void __init ek_add_device_buttons(void)
540 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
541 at91_set_deglitch(AT91_PIN_PA27, 1);
542 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
543 at91_set_deglitch(AT91_PIN_PA26, 1);
544 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
545 at91_set_deglitch(AT91_PIN_PA25, 1);
546 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
547 at91_set_deglitch(AT91_PIN_PA24, 1);
549 platform_device_register(&ek_button_device);
552 static void __init ek_add_device_buttons(void) {}
558 static struct gpio_led ek_leds[] = {
559 { /* "bottom" led, green, userled1 to be defined */
561 .gpio = AT91_PIN_PA14,
563 .default_trigger = "none",
565 { /* "top" led, green, userled2 to be defined */
567 .gpio = AT91_PIN_PA13,
569 .default_trigger = "none",
571 { /* "power" led, yellow */
573 .gpio = AT91_PIN_PA23,
574 .default_trigger = "heartbeat",
578 static void __init ek_board_init(void)
581 at91_add_device_serial();
583 at91_add_device_usbh(&ek_usbh_data);
585 at91_add_device_udc(&ek_udc_data);
587 at91_add_device_i2c(NULL, 0);
589 ek_add_device_nand();
590 /* DM9000 ethernet */
591 ek_add_device_dm9000();
593 /* spi0 and mmc/sd share the same PIO pins */
594 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
596 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
599 /* SSC (to AT73C213) */
600 at73c213_set_clk(&at73c213_data);
601 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
604 at91_add_device_mmc(0, &ek_mmc_data);
607 at91_add_device_lcdc(&ek_lcdc_data);
609 ek_add_device_buttons();
611 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
614 #if defined(CONFIG_MACH_AT91SAM9261EK)
615 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
617 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
619 /* Maintainer: Atmel */
620 .timer = &at91sam926x_timer,
621 .map_io = at91_map_io,
622 .init_early = ek_init_early,
623 .init_irq = at91_init_irq_default,
624 .init_machine = ek_board_init,