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 at91_mmc_data __initdata ek_mmc_data
= {
176 // .det_pin = ... not connected
177 // .wp_pin = ... not connected
178 // .vcc_pin = ... not connected
185 static struct mtd_partition __initdata ek_nand_partition
[] = {
187 .name
= "Partition 1",
192 .name
= "Partition 2",
193 .offset
= MTDPART_OFS_NXTBLK
,
194 .size
= MTDPART_SIZ_FULL
,
198 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
200 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
201 return ek_nand_partition
;
204 static struct atmel_nand_data __initdata ek_nand_data
= {
207 // .det_pin = ... not connected
208 .rdy_pin
= AT91_PIN_PC15
,
209 .enable_pin
= AT91_PIN_PC14
,
210 .partition_info
= nand_partitions
,
211 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
218 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
221 .ncs_write_setup
= 0,
226 .ncs_write_pulse
= 3,
232 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
236 static void __init
ek_add_device_nand(void)
238 /* setup bus-width (8 or 16) */
239 if (ek_nand_data
.bus_width_16
)
240 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
242 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
244 /* configure chip-select 3 (NAND) */
245 sam9_smc_configure(3, &ek_nand_smc_config
);
247 at91_add_device_nand(&ek_nand_data
);
252 * ADS7846 Touchscreen
254 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
256 static int ads7843_pendown_state(void)
258 return !at91_get_gpio_value(AT91_PIN_PC2
); /* Touchscreen PENIRQ */
261 static struct ads7846_platform_data ads_info
= {
267 .vref_delay_usecs
= 100,
270 .pressure_max
= 15000,
273 .debounce_tol
= (~0),
274 .get_pendown_state
= ads7843_pendown_state
,
277 static void __init
ek_add_device_ts(void)
279 at91_set_B_periph(AT91_PIN_PC2
, 1); /* External IRQ0, with pullup */
280 at91_set_gpio_input(AT91_PIN_PA11
, 1); /* Touchscreen BUSY signal */
283 static void __init
ek_add_device_ts(void) {}
289 static struct at73c213_board_info at73c213_data
= {
291 #if defined(CONFIG_MACH_AT91SAM9261EK)
292 .shortname
= "AT91SAM9261-EK external DAC",
294 .shortname
= "AT91SAM9G10-EK external DAC",
298 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
299 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
304 pck2
= clk_get(NULL
, "pck2");
305 plla
= clk_get(NULL
, "plla");
307 /* AT73C213 MCK Clock */
308 at91_set_B_periph(AT91_PIN_PB31
, 0); /* PCK2 */
310 clk_set_parent(pck2
, plla
);
313 info
->dac_clk
= pck2
;
316 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
322 static struct spi_board_info ek_spi_devices
[] = {
323 { /* DataFlash chip */
324 .modalias
= "mtd_dataflash",
326 .max_speed_hz
= 15 * 1000 * 1000,
329 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
331 .modalias
= "ads7846",
333 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
335 .platform_data
= &ads_info
,
336 .irq
= AT91SAM9261_ID_IRQ0
,
337 .controller_data
= (void *) AT91_PIN_PA28
, /* CS pin */
340 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
341 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
342 .modalias
= "mtd_dataflash",
344 .max_speed_hz
= 15 * 1000 * 1000,
347 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
349 .modalias
= "at73c213",
351 .max_speed_hz
= 10 * 1000 * 1000,
354 .platform_data
= &at73c213_data
,
355 .controller_data
= (void*) AT91_PIN_PA29
, /* default for CS3 is PA6, but it must be PA29 */
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 .phys_io
= AT91_BASE_SYS
,
621 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
622 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
623 .timer
= &at91sam926x_timer
,
625 .init_irq
= ek_init_irq
,
626 .init_machine
= ek_board_init
,