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>
51 #include <mach/system_rev.h>
57 static void __init
ek_init_early(void)
59 /* Initialize processor: 18.432 MHz crystal */
60 at91sam9261_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);
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
[] = {
84 .start
= AT91_CHIPSELECT_2
,
85 .end
= AT91_CHIPSELECT_2
+ 3,
86 .flags
= IORESOURCE_MEM
89 .start
= AT91_CHIPSELECT_2
+ 0x44,
90 .end
= AT91_CHIPSELECT_2
+ 0xFF,
91 .flags
= IORESOURCE_MEM
94 .start
= 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
= {
108 .num_resources
= ARRAY_SIZE(dm9000_resource
),
109 .resource
= dm9000_resource
,
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
= {
122 .ncs_write_setup
= 0,
127 .ncs_write_pulse
= 8,
133 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_BAT_WRITE
| AT91_SMC_DBW_16
,
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
);
151 static void __init
ek_add_device_dm9000(void) {}
152 #endif /* CONFIG_DM9000 */
158 static struct at91_usbh_data __initdata ek_usbh_data
= {
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 */
175 static struct mtd_partition __initdata ek_nand_partition
[] = {
177 .name
= "Partition 1",
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
= {
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
= {
206 .ncs_write_setup
= 0,
211 .ncs_write_pulse
= 3,
217 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
221 static void __init
ek_add_device_nand(void)
223 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
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
;
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
= {
257 .vref_delay_usecs
= 100,
260 .pressure_max
= 15000,
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 */
273 static void __init
ek_add_device_ts(void) {}
279 static struct at73c213_board_info at73c213_data
= {
281 #if defined(CONFIG_MACH_AT91SAM9261EK)
282 .shortname
= "AT91SAM9261-EK external DAC",
284 .shortname
= "AT91SAM9G10-EK external DAC",
288 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
289 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
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
);
303 info
->dac_clk
= pck2
;
306 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
312 static struct spi_board_info ek_spi_devices
[] = {
313 { /* DataFlash chip */
314 .modalias
= "mtd_dataflash",
316 .max_speed_hz
= 15 * 1000 * 1000,
319 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
321 .modalias
= "ads7846",
323 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
325 .platform_data
= &ads_info
,
326 .irq
= AT91SAM9261_ID_IRQ0
,
327 .controller_data
= (void *) AT91_PIN_PA28
, /* CS pin */
330 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
331 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
332 .modalias
= "mtd_dataflash",
334 .max_speed_hz
= 15 * 1000 * 1000,
337 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
339 .modalias
= "at73c213",
341 .max_speed_hz
= 10 * 1000 * 1000,
344 .platform_data
= &at73c213_data
,
345 .controller_data
= (void*) AT91_PIN_PA29
, /* default for CS3 is PA6, but it must be PA29 */
350 #else /* CONFIG_SPI_ATMEL_* */
351 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
355 * det_pin, wp_pin and vcc_pin are not connected
357 static struct at91_mmc_data __initdata ek_mmc_data
= {
361 #endif /* CONFIG_SPI_ATMEL_* */
367 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
369 #if defined(CONFIG_FB_ATMEL_STN)
372 static struct fb_videomode at91_stn_modes
[] = {
374 .name
= "SP06Q002 @ 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
),
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
)
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
= {
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
,
425 #if defined(CONFIG_MACH_AT91SAM9G10EK)
426 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
433 static struct fb_videomode at91_tft_vga_modes
[] = {
435 .name
= "TX09D50VM1CCA @ 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
),
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
)
468 at91_set_gpio_value(AT91_PIN_PA12
, 0); /* power up */
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,
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
,
481 #if defined(CONFIG_MACH_AT91SAM9G10EK)
482 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
488 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
495 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
496 static struct gpio_keys_button ek_buttons
[] = {
498 .gpio
= AT91_PIN_PA27
,
505 .gpio
= AT91_PIN_PA26
,
512 .gpio
= AT91_PIN_PA25
,
519 .gpio
= AT91_PIN_PA24
,
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
= {
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
);
555 static void __init
ek_add_device_buttons(void) {}
561 static struct gpio_led ek_leds
[] = {
562 { /* "bottom" led, green, userled1 to be defined */
564 .gpio
= AT91_PIN_PA14
,
566 .default_trigger
= "none",
568 { /* "top" led, green, userled2 to be defined */
570 .gpio
= AT91_PIN_PA13
,
572 .default_trigger
= "none",
574 { /* "power" led, yellow */
576 .gpio
= AT91_PIN_PA23
,
577 .default_trigger
= "heartbeat",
581 static void __init
ek_board_init(void)
584 at91_add_device_serial();
586 at91_add_device_usbh(&ek_usbh_data
);
588 at91_add_device_udc(&ek_udc_data
);
590 at91_add_device_i2c(NULL
, 0);
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)
599 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
602 /* SSC (to AT73C213) */
603 at73c213_set_clk(&at73c213_data
);
604 at91_add_device_ssc(AT91SAM9261_ID_SSC1
, ATMEL_SSC_TX
);
607 at91_add_device_mmc(0, &ek_mmc_data
);
610 at91_add_device_lcdc(&ek_lcdc_data
);
612 ek_add_device_buttons();
614 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
617 #if defined(CONFIG_MACH_AT91SAM9261EK)
618 MACHINE_START(AT91SAM9261EK
, "Atmel AT91SAM9261-EK")
620 MACHINE_START(AT91SAM9G10EK
, "Atmel AT91SAM9G10-EK")
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
,