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 .parts
= ek_nand_partition
,
192 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
195 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
198 .ncs_write_setup
= 0,
203 .ncs_write_pulse
= 3,
209 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
213 static void __init
ek_add_device_nand(void)
215 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
216 /* setup bus-width (8 or 16) */
217 if (ek_nand_data
.bus_width_16
)
218 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
220 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
222 /* configure chip-select 3 (NAND) */
223 sam9_smc_configure(0, 3, &ek_nand_smc_config
);
225 at91_add_device_nand(&ek_nand_data
);
229 * SPI related devices
231 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
234 * ADS7846 Touchscreen
236 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
238 static int ads7843_pendown_state(void)
240 return !at91_get_gpio_value(AT91_PIN_PC2
); /* Touchscreen PENIRQ */
243 static struct ads7846_platform_data ads_info
= {
249 .vref_delay_usecs
= 100,
252 .pressure_max
= 15000,
255 .debounce_tol
= (~0),
256 .get_pendown_state
= ads7843_pendown_state
,
259 static void __init
ek_add_device_ts(void)
261 at91_set_B_periph(AT91_PIN_PC2
, 1); /* External IRQ0, with pullup */
262 at91_set_gpio_input(AT91_PIN_PA11
, 1); /* Touchscreen BUSY signal */
265 static void __init
ek_add_device_ts(void) {}
271 static struct at73c213_board_info at73c213_data
= {
273 #if defined(CONFIG_MACH_AT91SAM9261EK)
274 .shortname
= "AT91SAM9261-EK external DAC",
276 .shortname
= "AT91SAM9G10-EK external DAC",
280 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
281 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
286 pck2
= clk_get(NULL
, "pck2");
287 plla
= clk_get(NULL
, "plla");
289 /* AT73C213 MCK Clock */
290 at91_set_B_periph(AT91_PIN_PB31
, 0); /* PCK2 */
292 clk_set_parent(pck2
, plla
);
295 info
->dac_clk
= pck2
;
298 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
304 static struct spi_board_info ek_spi_devices
[] = {
305 { /* DataFlash chip */
306 .modalias
= "mtd_dataflash",
308 .max_speed_hz
= 15 * 1000 * 1000,
311 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
313 .modalias
= "ads7846",
315 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
317 .platform_data
= &ads_info
,
318 .irq
= AT91SAM9261_ID_IRQ0
,
319 .controller_data
= (void *) AT91_PIN_PA28
, /* CS pin */
322 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
323 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
324 .modalias
= "mtd_dataflash",
326 .max_speed_hz
= 15 * 1000 * 1000,
329 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
331 .modalias
= "at73c213",
333 .max_speed_hz
= 10 * 1000 * 1000,
336 .platform_data
= &at73c213_data
,
337 .controller_data
= (void*) AT91_PIN_PA29
, /* default for CS3 is PA6, but it must be PA29 */
342 #else /* CONFIG_SPI_ATMEL_* */
343 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
347 * det_pin, wp_pin and vcc_pin are not connected
349 static struct at91_mmc_data __initdata ek_mmc_data
= {
356 #endif /* CONFIG_SPI_ATMEL_* */
362 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
364 #if defined(CONFIG_FB_ATMEL_STN)
367 static struct fb_videomode at91_stn_modes
[] = {
369 .name
= "SP06Q002 @ 75",
371 .xres
= 320, .yres
= 240,
372 .pixclock
= KHZ2PICOS(1440),
374 .left_margin
= 1, .right_margin
= 1,
375 .upper_margin
= 0, .lower_margin
= 0,
376 .hsync_len
= 1, .vsync_len
= 1,
378 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
379 .vmode
= FB_VMODE_NONINTERLACED
,
383 static struct fb_monspecs at91fb_default_stn_monspecs
= {
384 .manufacturer
= "HIT",
385 .monitor
= "SP06Q002",
387 .modedb
= at91_stn_modes
,
388 .modedb_len
= ARRAY_SIZE(at91_stn_modes
),
395 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
396 | ATMEL_LCDC_DISTYPE_STNMONO \
397 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
398 | ATMEL_LCDC_IFWIDTH_4 \
399 | ATMEL_LCDC_SCANMOD_SINGLE)
401 static void at91_lcdc_stn_power_control(int on
)
404 if (on
) { /* power up */
405 at91_set_gpio_value(AT91_PIN_PC14
, 0);
406 at91_set_gpio_value(AT91_PIN_PC15
, 0);
407 } else { /* power down */
408 at91_set_gpio_value(AT91_PIN_PC14
, 1);
409 at91_set_gpio_value(AT91_PIN_PC15
, 1);
413 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
415 .default_dmacon
= ATMEL_LCDC_DMAEN
,
416 .default_lcdcon2
= AT91SAM9261_DEFAULT_STN_LCDCON2
,
417 .default_monspecs
= &at91fb_default_stn_monspecs
,
418 .atmel_lcdfb_power_control
= at91_lcdc_stn_power_control
,
420 #if defined(CONFIG_MACH_AT91SAM9G10EK)
421 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
428 static struct fb_videomode at91_tft_vga_modes
[] = {
430 .name
= "TX09D50VM1CCA @ 60",
432 .xres
= 240, .yres
= 320,
433 .pixclock
= KHZ2PICOS(4965),
435 .left_margin
= 1, .right_margin
= 33,
436 .upper_margin
= 1, .lower_margin
= 0,
437 .hsync_len
= 5, .vsync_len
= 1,
439 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
440 .vmode
= FB_VMODE_NONINTERLACED
,
444 static struct fb_monspecs at91fb_default_tft_monspecs
= {
445 .manufacturer
= "HIT",
446 .monitor
= "TX09D50VM1CCA",
448 .modedb
= at91_tft_vga_modes
,
449 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
456 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
457 | ATMEL_LCDC_DISTYPE_TFT \
458 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
460 static void at91_lcdc_tft_power_control(int on
)
463 at91_set_gpio_value(AT91_PIN_PA12
, 0); /* power up */
465 at91_set_gpio_value(AT91_PIN_PA12
, 1); /* power down */
468 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
469 .lcdcon_is_backlight
= true,
471 .default_dmacon
= ATMEL_LCDC_DMAEN
,
472 .default_lcdcon2
= AT91SAM9261_DEFAULT_TFT_LCDCON2
,
473 .default_monspecs
= &at91fb_default_tft_monspecs
,
474 .atmel_lcdfb_power_control
= at91_lcdc_tft_power_control
,
476 #if defined(CONFIG_MACH_AT91SAM9G10EK)
477 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
483 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
490 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
491 static struct gpio_keys_button ek_buttons
[] = {
493 .gpio
= AT91_PIN_PA27
,
500 .gpio
= AT91_PIN_PA26
,
507 .gpio
= AT91_PIN_PA25
,
514 .gpio
= AT91_PIN_PA24
,
522 static struct gpio_keys_platform_data ek_button_data
= {
523 .buttons
= ek_buttons
,
524 .nbuttons
= ARRAY_SIZE(ek_buttons
),
527 static struct platform_device ek_button_device
= {
532 .platform_data
= &ek_button_data
,
536 static void __init
ek_add_device_buttons(void)
538 at91_set_gpio_input(AT91_PIN_PA27
, 1); /* btn0 */
539 at91_set_deglitch(AT91_PIN_PA27
, 1);
540 at91_set_gpio_input(AT91_PIN_PA26
, 1); /* btn1 */
541 at91_set_deglitch(AT91_PIN_PA26
, 1);
542 at91_set_gpio_input(AT91_PIN_PA25
, 1); /* btn2 */
543 at91_set_deglitch(AT91_PIN_PA25
, 1);
544 at91_set_gpio_input(AT91_PIN_PA24
, 1); /* btn3 */
545 at91_set_deglitch(AT91_PIN_PA24
, 1);
547 platform_device_register(&ek_button_device
);
550 static void __init
ek_add_device_buttons(void) {}
556 static struct gpio_led ek_leds
[] = {
557 { /* "bottom" led, green, userled1 to be defined */
559 .gpio
= AT91_PIN_PA14
,
561 .default_trigger
= "none",
563 { /* "top" led, green, userled2 to be defined */
565 .gpio
= AT91_PIN_PA13
,
567 .default_trigger
= "none",
569 { /* "power" led, yellow */
571 .gpio
= AT91_PIN_PA23
,
572 .default_trigger
= "heartbeat",
576 static void __init
ek_board_init(void)
579 at91_add_device_serial();
581 at91_add_device_usbh(&ek_usbh_data
);
583 at91_add_device_udc(&ek_udc_data
);
585 at91_add_device_i2c(NULL
, 0);
587 ek_add_device_nand();
588 /* DM9000 ethernet */
589 ek_add_device_dm9000();
591 /* spi0 and mmc/sd share the same PIO pins */
592 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
594 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
597 /* SSC (to AT73C213) */
598 at73c213_set_clk(&at73c213_data
);
599 at91_add_device_ssc(AT91SAM9261_ID_SSC1
, ATMEL_SSC_TX
);
602 at91_add_device_mmc(0, &ek_mmc_data
);
605 at91_add_device_lcdc(&ek_lcdc_data
);
607 ek_add_device_buttons();
609 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
612 #if defined(CONFIG_MACH_AT91SAM9261EK)
613 MACHINE_START(AT91SAM9261EK
, "Atmel AT91SAM9261-EK")
615 MACHINE_START(AT91SAM9G10EK
, "Atmel AT91SAM9G10-EK")
617 /* Maintainer: Atmel */
618 .timer
= &at91sam926x_timer
,
619 .map_io
= at91_map_io
,
620 .init_early
= ek_init_early
,
621 .init_irq
= at91_init_irq_default
,
622 .init_machine
= ek_board_init
,