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
99 static struct dm9000_plat_data dm9000_platdata = {
100 .flags = DM9000_PLATF_16BITONLY,
103 static struct platform_device dm9000_device = {
106 .num_resources = ARRAY_SIZE(dm9000_resource),
107 .resource = dm9000_resource,
109 .platform_data = &dm9000_platdata,
114 * SMC timings for the DM9000.
115 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
117 static struct sam9_smc_config __initdata dm9000_smc_config = {
120 .ncs_write_setup = 0,
125 .ncs_write_pulse = 8,
131 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
135 static void __init ek_add_device_dm9000(void)
137 /* Configure chip-select 2 (DM9000) */
138 sam9_smc_configure(2, &dm9000_smc_config);
140 /* Configure Reset signal as output */
141 at91_set_gpio_output(AT91_PIN_PC10, 0);
143 /* Configure Interrupt pin as input, no pull-up */
144 at91_set_gpio_input(AT91_PIN_PC11, 0);
146 platform_device_register(&dm9000_device);
149 static void __init ek_add_device_dm9000(void) {}
150 #endif /* CONFIG_DM9000 */
156 static struct at91_usbh_data __initdata ek_usbh_data = {
164 static struct at91_udc_data __initdata ek_udc_data = {
165 .vbus_pin = AT91_PIN_PB29,
166 .pullup_pin = 0, /* pull-up driven by UDC */
173 static struct at91_mmc_data __initdata ek_mmc_data = {
175 // .det_pin = ... not connected
176 // .wp_pin = ... not connected
177 // .vcc_pin = ... not connected
184 static struct mtd_partition __initdata ek_nand_partition[] = {
186 .name = "Partition 1",
191 .name = "Partition 2",
192 .offset = MTDPART_OFS_NXTBLK,
193 .size = MTDPART_SIZ_FULL,
197 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
199 *num_partitions = ARRAY_SIZE(ek_nand_partition);
200 return ek_nand_partition;
203 static struct atmel_nand_data __initdata ek_nand_data = {
206 // .det_pin = ... not connected
207 .rdy_pin = AT91_PIN_PC15,
208 .enable_pin = AT91_PIN_PC14,
209 .partition_info = nand_partitions,
210 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
217 static struct sam9_smc_config __initdata ek_nand_smc_config = {
220 .ncs_write_setup = 0,
225 .ncs_write_pulse = 3,
231 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
235 static void __init ek_add_device_nand(void)
237 /* setup bus-width (8 or 16) */
238 if (ek_nand_data.bus_width_16)
239 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
241 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
243 /* configure chip-select 3 (NAND) */
244 sam9_smc_configure(3, &ek_nand_smc_config);
246 at91_add_device_nand(&ek_nand_data);
251 * ADS7846 Touchscreen
253 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
255 static int ads7843_pendown_state(void)
257 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
260 static struct ads7846_platform_data ads_info = {
266 .vref_delay_usecs = 100,
269 .pressure_max = 15000,
272 .debounce_tol = (~0),
273 .get_pendown_state = ads7843_pendown_state,
276 static void __init ek_add_device_ts(void)
278 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
279 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
282 static void __init ek_add_device_ts(void) {}
288 static struct at73c213_board_info at73c213_data = {
290 #if defined(CONFIG_MACH_AT91SAM9261EK)
291 .shortname = "AT91SAM9261-EK external DAC",
293 .shortname = "AT91SAM9G10-EK external DAC",
297 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
298 static void __init at73c213_set_clk(struct at73c213_board_info *info)
303 pck2 = clk_get(NULL, "pck2");
304 plla = clk_get(NULL, "plla");
306 /* AT73C213 MCK Clock */
307 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
309 clk_set_parent(pck2, plla);
312 info->dac_clk = pck2;
315 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
321 static struct spi_board_info ek_spi_devices[] = {
322 { /* DataFlash chip */
323 .modalias = "mtd_dataflash",
325 .max_speed_hz = 15 * 1000 * 1000,
328 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
330 .modalias = "ads7846",
332 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
334 .platform_data = &ads_info,
335 .irq = AT91SAM9261_ID_IRQ0,
336 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
339 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
340 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
341 .modalias = "mtd_dataflash",
343 .max_speed_hz = 15 * 1000 * 1000,
346 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
348 .modalias = "at73c213",
350 .max_speed_hz = 10 * 1000 * 1000,
353 .platform_data = &at73c213_data,
354 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
363 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
365 #if defined(CONFIG_FB_ATMEL_STN)
368 static struct fb_videomode at91_stn_modes[] = {
370 .name = "SP06Q002 @ 75",
372 .xres = 320, .yres = 240,
373 .pixclock = KHZ2PICOS(1440),
375 .left_margin = 1, .right_margin = 1,
376 .upper_margin = 0, .lower_margin = 0,
377 .hsync_len = 1, .vsync_len = 1,
379 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
380 .vmode = FB_VMODE_NONINTERLACED,
384 static struct fb_monspecs at91fb_default_stn_monspecs = {
385 .manufacturer = "HIT",
386 .monitor = "SP06Q002",
388 .modedb = at91_stn_modes,
389 .modedb_len = ARRAY_SIZE(at91_stn_modes),
396 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
397 | ATMEL_LCDC_DISTYPE_STNMONO \
398 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
399 | ATMEL_LCDC_IFWIDTH_4 \
400 | ATMEL_LCDC_SCANMOD_SINGLE)
402 static void at91_lcdc_stn_power_control(int on)
405 if (on) { /* power up */
406 at91_set_gpio_value(AT91_PIN_PC14, 0);
407 at91_set_gpio_value(AT91_PIN_PC15, 0);
408 } else { /* power down */
409 at91_set_gpio_value(AT91_PIN_PC14, 1);
410 at91_set_gpio_value(AT91_PIN_PC15, 1);
414 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
416 .default_dmacon = ATMEL_LCDC_DMAEN,
417 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
418 .default_monspecs = &at91fb_default_stn_monspecs,
419 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
421 #if defined(CONFIG_MACH_AT91SAM9G10EK)
422 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
429 static struct fb_videomode at91_tft_vga_modes[] = {
431 .name = "TX09D50VM1CCA @ 60",
433 .xres = 240, .yres = 320,
434 .pixclock = KHZ2PICOS(4965),
436 .left_margin = 1, .right_margin = 33,
437 .upper_margin = 1, .lower_margin = 0,
438 .hsync_len = 5, .vsync_len = 1,
440 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
441 .vmode = FB_VMODE_NONINTERLACED,
445 static struct fb_monspecs at91fb_default_tft_monspecs = {
446 .manufacturer = "HIT",
447 .monitor = "TX09D50VM1CCA",
449 .modedb = at91_tft_vga_modes,
450 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
457 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
458 | ATMEL_LCDC_DISTYPE_TFT \
459 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
461 static void at91_lcdc_tft_power_control(int on)
464 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
466 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
469 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
470 .lcdcon_is_backlight = true,
472 .default_dmacon = ATMEL_LCDC_DMAEN,
473 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
474 .default_monspecs = &at91fb_default_tft_monspecs,
475 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
477 #if defined(CONFIG_MACH_AT91SAM9G10EK)
478 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
484 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
491 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
492 static struct gpio_keys_button ek_buttons[] = {
494 .gpio = AT91_PIN_PA27,
501 .gpio = AT91_PIN_PA26,
508 .gpio = AT91_PIN_PA25,
515 .gpio = AT91_PIN_PA24,
523 static struct gpio_keys_platform_data ek_button_data = {
524 .buttons = ek_buttons,
525 .nbuttons = ARRAY_SIZE(ek_buttons),
528 static struct platform_device ek_button_device = {
533 .platform_data = &ek_button_data,
537 static void __init ek_add_device_buttons(void)
539 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
540 at91_set_deglitch(AT91_PIN_PA27, 1);
541 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
542 at91_set_deglitch(AT91_PIN_PA26, 1);
543 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
544 at91_set_deglitch(AT91_PIN_PA25, 1);
545 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
546 at91_set_deglitch(AT91_PIN_PA24, 1);
548 platform_device_register(&ek_button_device);
551 static void __init ek_add_device_buttons(void) {}
557 static struct gpio_led ek_leds[] = {
558 { /* "bottom" led, green, userled1 to be defined */
560 .gpio = AT91_PIN_PA14,
562 .default_trigger = "none",
564 { /* "top" led, green, userled2 to be defined */
566 .gpio = AT91_PIN_PA13,
568 .default_trigger = "none",
570 { /* "power" led, yellow */
572 .gpio = AT91_PIN_PA23,
573 .default_trigger = "heartbeat",
577 static void __init ek_board_init(void)
580 at91_add_device_serial();
582 at91_add_device_usbh(&ek_usbh_data);
584 at91_add_device_udc(&ek_udc_data);
586 at91_add_device_i2c(NULL, 0);
588 ek_add_device_nand();
589 /* DM9000 ethernet */
590 ek_add_device_dm9000();
592 /* spi0 and mmc/sd share the same PIO pins */
593 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
595 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
598 /* SSC (to AT73C213) */
599 at73c213_set_clk(&at73c213_data);
600 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
603 at91_add_device_mmc(0, &ek_mmc_data);
606 at91_add_device_lcdc(&ek_lcdc_data);
608 ek_add_device_buttons();
610 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
613 #if defined(CONFIG_MACH_AT91SAM9261EK)
614 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
616 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
618 /* Maintainer: Atmel */
619 .phys_io = AT91_BASE_SYS,
620 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
621 .boot_params = AT91_SDRAM_BASE + 0x100,
622 .timer = &at91sam926x_timer,
624 .init_irq = ek_init_irq,
625 .init_machine = ek_board_init,