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 .start
= AT91_PIN_PC11
,
90 .flags
= IORESOURCE_IRQ
91 | IORESOURCE_IRQ_LOWEDGE
| IORESOURCE_IRQ_HIGHEDGE
,
95 static struct dm9000_plat_data dm9000_platdata
= {
96 .flags
= DM9000_PLATF_16BITONLY
| DM9000_PLATF_NO_EEPROM
,
99 static struct platform_device dm9000_device
= {
102 .num_resources
= ARRAY_SIZE(dm9000_resource
),
103 .resource
= dm9000_resource
,
105 .platform_data
= &dm9000_platdata
,
110 * SMC timings for the DM9000.
111 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
113 static struct sam9_smc_config __initdata dm9000_smc_config
= {
116 .ncs_write_setup
= 0,
121 .ncs_write_pulse
= 8,
127 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_BAT_WRITE
| AT91_SMC_DBW_16
,
131 static void __init
ek_add_device_dm9000(void)
133 /* Configure chip-select 2 (DM9000) */
134 sam9_smc_configure(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 platform_device_register(&dm9000_device
);
145 static void __init
ek_add_device_dm9000(void) {}
146 #endif /* CONFIG_DM9000 */
152 static struct at91_usbh_data __initdata ek_usbh_data
= {
160 static struct at91_udc_data __initdata ek_udc_data
= {
161 .vbus_pin
= AT91_PIN_PB29
,
162 .pullup_pin
= 0, /* pull-up driven by UDC */
169 static struct mtd_partition __initdata ek_nand_partition
[] = {
171 .name
= "Partition 1",
176 .name
= "Partition 2",
177 .offset
= MTDPART_OFS_NXTBLK
,
178 .size
= MTDPART_SIZ_FULL
,
182 static struct atmel_nand_data __initdata ek_nand_data
= {
185 // .det_pin = ... not connected
186 .rdy_pin
= AT91_PIN_PC15
,
187 .enable_pin
= AT91_PIN_PC14
,
188 .parts
= ek_nand_partition
,
189 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
192 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
195 .ncs_write_setup
= 0,
200 .ncs_write_pulse
= 3,
206 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
210 static void __init
ek_add_device_nand(void)
212 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
213 /* setup bus-width (8 or 16) */
214 if (ek_nand_data
.bus_width_16
)
215 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
217 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
219 /* configure chip-select 3 (NAND) */
220 sam9_smc_configure(3, &ek_nand_smc_config
);
222 at91_add_device_nand(&ek_nand_data
);
226 * SPI related devices
228 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
231 * ADS7846 Touchscreen
233 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
235 static int ads7843_pendown_state(void)
237 return !at91_get_gpio_value(AT91_PIN_PC2
); /* Touchscreen PENIRQ */
240 static struct ads7846_platform_data ads_info
= {
246 .vref_delay_usecs
= 100,
249 .pressure_max
= 15000,
252 .debounce_tol
= (~0),
253 .get_pendown_state
= ads7843_pendown_state
,
256 static void __init
ek_add_device_ts(void)
258 at91_set_B_periph(AT91_PIN_PC2
, 1); /* External IRQ0, with pullup */
259 at91_set_gpio_input(AT91_PIN_PA11
, 1); /* Touchscreen BUSY signal */
262 static void __init
ek_add_device_ts(void) {}
268 static struct at73c213_board_info at73c213_data
= {
270 #if defined(CONFIG_MACH_AT91SAM9261EK)
271 .shortname
= "AT91SAM9261-EK external DAC",
273 .shortname
= "AT91SAM9G10-EK external DAC",
277 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
278 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
283 pck2
= clk_get(NULL
, "pck2");
284 plla
= clk_get(NULL
, "plla");
286 /* AT73C213 MCK Clock */
287 at91_set_B_periph(AT91_PIN_PB31
, 0); /* PCK2 */
289 clk_set_parent(pck2
, plla
);
292 info
->dac_clk
= pck2
;
295 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
301 static struct spi_board_info ek_spi_devices
[] = {
302 { /* DataFlash chip */
303 .modalias
= "mtd_dataflash",
305 .max_speed_hz
= 15 * 1000 * 1000,
308 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
310 .modalias
= "ads7846",
312 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
314 .platform_data
= &ads_info
,
315 .irq
= AT91SAM9261_ID_IRQ0
,
316 .controller_data
= (void *) AT91_PIN_PA28
, /* CS pin */
319 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
320 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
321 .modalias
= "mtd_dataflash",
323 .max_speed_hz
= 15 * 1000 * 1000,
326 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
328 .modalias
= "at73c213",
330 .max_speed_hz
= 10 * 1000 * 1000,
333 .platform_data
= &at73c213_data
,
334 .controller_data
= (void*) AT91_PIN_PA29
, /* default for CS3 is PA6, but it must be PA29 */
339 #else /* CONFIG_SPI_ATMEL_* */
340 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
344 * det_pin, wp_pin and vcc_pin are not connected
346 static struct at91_mmc_data __initdata ek_mmc_data
= {
350 #endif /* CONFIG_SPI_ATMEL_* */
356 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
358 #if defined(CONFIG_FB_ATMEL_STN)
361 static struct fb_videomode at91_stn_modes
[] = {
363 .name
= "SP06Q002 @ 75",
365 .xres
= 320, .yres
= 240,
366 .pixclock
= KHZ2PICOS(1440),
368 .left_margin
= 1, .right_margin
= 1,
369 .upper_margin
= 0, .lower_margin
= 0,
370 .hsync_len
= 1, .vsync_len
= 1,
372 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
373 .vmode
= FB_VMODE_NONINTERLACED
,
377 static struct fb_monspecs at91fb_default_stn_monspecs
= {
378 .manufacturer
= "HIT",
379 .monitor
= "SP06Q002",
381 .modedb
= at91_stn_modes
,
382 .modedb_len
= ARRAY_SIZE(at91_stn_modes
),
389 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
390 | ATMEL_LCDC_DISTYPE_STNMONO \
391 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
392 | ATMEL_LCDC_IFWIDTH_4 \
393 | ATMEL_LCDC_SCANMOD_SINGLE)
395 static void at91_lcdc_stn_power_control(int on
)
398 if (on
) { /* power up */
399 at91_set_gpio_value(AT91_PIN_PC14
, 0);
400 at91_set_gpio_value(AT91_PIN_PC15
, 0);
401 } else { /* power down */
402 at91_set_gpio_value(AT91_PIN_PC14
, 1);
403 at91_set_gpio_value(AT91_PIN_PC15
, 1);
407 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
409 .default_dmacon
= ATMEL_LCDC_DMAEN
,
410 .default_lcdcon2
= AT91SAM9261_DEFAULT_STN_LCDCON2
,
411 .default_monspecs
= &at91fb_default_stn_monspecs
,
412 .atmel_lcdfb_power_control
= at91_lcdc_stn_power_control
,
414 #if defined(CONFIG_MACH_AT91SAM9G10EK)
415 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
422 static struct fb_videomode at91_tft_vga_modes
[] = {
424 .name
= "TX09D50VM1CCA @ 60",
426 .xres
= 240, .yres
= 320,
427 .pixclock
= KHZ2PICOS(4965),
429 .left_margin
= 1, .right_margin
= 33,
430 .upper_margin
= 1, .lower_margin
= 0,
431 .hsync_len
= 5, .vsync_len
= 1,
433 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
434 .vmode
= FB_VMODE_NONINTERLACED
,
438 static struct fb_monspecs at91fb_default_tft_monspecs
= {
439 .manufacturer
= "HIT",
440 .monitor
= "TX09D50VM1CCA",
442 .modedb
= at91_tft_vga_modes
,
443 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
450 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
451 | ATMEL_LCDC_DISTYPE_TFT \
452 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
454 static void at91_lcdc_tft_power_control(int on
)
457 at91_set_gpio_value(AT91_PIN_PA12
, 0); /* power up */
459 at91_set_gpio_value(AT91_PIN_PA12
, 1); /* power down */
462 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
463 .lcdcon_is_backlight
= true,
465 .default_dmacon
= ATMEL_LCDC_DMAEN
,
466 .default_lcdcon2
= AT91SAM9261_DEFAULT_TFT_LCDCON2
,
467 .default_monspecs
= &at91fb_default_tft_monspecs
,
468 .atmel_lcdfb_power_control
= at91_lcdc_tft_power_control
,
470 #if defined(CONFIG_MACH_AT91SAM9G10EK)
471 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
477 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
484 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
485 static struct gpio_keys_button ek_buttons
[] = {
487 .gpio
= AT91_PIN_PA27
,
494 .gpio
= AT91_PIN_PA26
,
501 .gpio
= AT91_PIN_PA25
,
508 .gpio
= AT91_PIN_PA24
,
516 static struct gpio_keys_platform_data ek_button_data
= {
517 .buttons
= ek_buttons
,
518 .nbuttons
= ARRAY_SIZE(ek_buttons
),
521 static struct platform_device ek_button_device
= {
526 .platform_data
= &ek_button_data
,
530 static void __init
ek_add_device_buttons(void)
532 at91_set_gpio_input(AT91_PIN_PA27
, 1); /* btn0 */
533 at91_set_deglitch(AT91_PIN_PA27
, 1);
534 at91_set_gpio_input(AT91_PIN_PA26
, 1); /* btn1 */
535 at91_set_deglitch(AT91_PIN_PA26
, 1);
536 at91_set_gpio_input(AT91_PIN_PA25
, 1); /* btn2 */
537 at91_set_deglitch(AT91_PIN_PA25
, 1);
538 at91_set_gpio_input(AT91_PIN_PA24
, 1); /* btn3 */
539 at91_set_deglitch(AT91_PIN_PA24
, 1);
541 platform_device_register(&ek_button_device
);
544 static void __init
ek_add_device_buttons(void) {}
550 static struct gpio_led ek_leds
[] = {
551 { /* "bottom" led, green, userled1 to be defined */
553 .gpio
= AT91_PIN_PA14
,
555 .default_trigger
= "none",
557 { /* "top" led, green, userled2 to be defined */
559 .gpio
= AT91_PIN_PA13
,
561 .default_trigger
= "none",
563 { /* "power" led, yellow */
565 .gpio
= AT91_PIN_PA23
,
566 .default_trigger
= "heartbeat",
570 static void __init
ek_board_init(void)
573 at91_add_device_serial();
575 at91_add_device_usbh(&ek_usbh_data
);
577 at91_add_device_udc(&ek_udc_data
);
579 at91_add_device_i2c(NULL
, 0);
581 ek_add_device_nand();
582 /* DM9000 ethernet */
583 ek_add_device_dm9000();
585 /* spi0 and mmc/sd share the same PIO pins */
586 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
588 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
591 /* SSC (to AT73C213) */
592 at73c213_set_clk(&at73c213_data
);
593 at91_add_device_ssc(AT91SAM9261_ID_SSC1
, ATMEL_SSC_TX
);
596 at91_add_device_mmc(0, &ek_mmc_data
);
599 at91_add_device_lcdc(&ek_lcdc_data
);
601 ek_add_device_buttons();
603 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
606 #if defined(CONFIG_MACH_AT91SAM9261EK)
607 MACHINE_START(AT91SAM9261EK
, "Atmel AT91SAM9261-EK")
609 MACHINE_START(AT91SAM9G10EK
, "Atmel AT91SAM9G10-EK")
611 /* Maintainer: Atmel */
612 .timer
= &at91sam926x_timer
,
613 .map_io
= at91_map_io
,
614 .init_early
= ek_init_early
,
615 .init_irq
= at91_init_irq_default
,
616 .init_machine
= ek_board_init
,