2 * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
4 * Covers: * AT91SAM9G45-EKES board
5 * * AT91SAM9M10G45-EK board
7 * Copyright (C) 2009 Atmel Corporation.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
16 #include <linux/types.h>
17 #include <linux/init.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/spi/spi.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/leds.h>
26 #include <linux/clk.h>
28 #include <mach/hardware.h>
29 #include <video/atmel_lcdc.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/irq.h>
39 #include <mach/hardware.h>
40 #include <mach/board.h>
41 #include <mach/gpio.h>
42 #include <mach/at91sam9_smc.h>
43 #include <mach/at91_shdwc.h>
49 static void __init
ek_map_io(void)
51 /* Initialize processor: 12.000 MHz crystal */
52 at91sam9g45_initialize(12000000);
54 /* DGBU on ttyS0. (Rx & Tx only) */
55 at91_register_uart(0, 0, 0);
57 /* USART0 not connected on the -EK board */
58 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
59 at91_register_uart(AT91SAM9G45_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
61 /* set serial console to ttyS0 (ie, DBGU) */
62 at91_set_serial_console(0);
65 static void __init
ek_init_irq(void)
67 at91sam9g45_init_interrupts(NULL
);
72 * USB HS Host port (common to OHCI & EHCI)
74 static struct at91_usbh_data __initdata ek_usbh_hs_data
= {
76 .vbus_pin
= {AT91_PIN_PD1
, AT91_PIN_PD3
},
83 static struct usba_platform_data __initdata ek_usba_udc_data
= {
84 .vbus_pin
= AT91_PIN_PB19
,
91 static struct spi_board_info ek_spi_devices
[] = {
92 { /* DataFlash chip */
93 .modalias
= "mtd_dataflash",
95 .max_speed_hz
= 15 * 1000 * 1000,
102 * MACB Ethernet device
104 static struct at91_eth_data __initdata ek_macb_data
= {
105 .phy_irq_pin
= AT91_PIN_PD5
,
113 static struct mtd_partition __initdata ek_nand_partition
[] = {
115 .name
= "Partition 1",
120 .name
= "Partition 2",
121 .offset
= MTDPART_OFS_NXTBLK
,
122 .size
= MTDPART_SIZ_FULL
,
126 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
128 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
129 return ek_nand_partition
;
132 /* det_pin is not connected */
133 static struct atmel_nand_data __initdata ek_nand_data
= {
136 .rdy_pin
= AT91_PIN_PC8
,
137 .enable_pin
= AT91_PIN_PC14
,
138 .partition_info
= nand_partitions
,
139 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
146 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
149 .ncs_write_setup
= 0,
154 .ncs_write_pulse
= 4,
160 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
164 static void __init
ek_add_device_nand(void)
166 /* setup bus-width (8 or 16) */
167 if (ek_nand_data
.bus_width_16
)
168 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
170 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
172 /* configure chip-select 3 (NAND) */
173 sam9_smc_configure(3, &ek_nand_smc_config
);
175 at91_add_device_nand(&ek_nand_data
);
182 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
183 static struct fb_videomode at91_tft_vga_modes
[] = {
187 .xres
= 480, .yres
= 272,
188 .pixclock
= KHZ2PICOS(9000),
190 .left_margin
= 1, .right_margin
= 1,
191 .upper_margin
= 40, .lower_margin
= 1,
192 .hsync_len
= 45, .vsync_len
= 1,
195 .vmode
= FB_VMODE_NONINTERLACED
,
199 static struct fb_monspecs at91fb_default_monspecs
= {
200 .manufacturer
= "LG",
201 .monitor
= "LB043WQ1",
203 .modedb
= at91_tft_vga_modes
,
204 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
211 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
212 | ATMEL_LCDC_DISTYPE_TFT \
213 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
216 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
217 .lcdcon_is_backlight
= true,
219 .default_dmacon
= ATMEL_LCDC_DMAEN
,
220 .default_lcdcon2
= AT91SAM9G45_DEFAULT_LCDCON2
,
221 .default_monspecs
= &at91fb_default_monspecs
,
223 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
227 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
234 static struct at91_tsadcc_data ek_tsadcc_data
= {
236 .pendet_debounce
= 0x0d,
237 .ts_sample_hold_time
= 0x0a,
244 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
245 static struct gpio_keys_button ek_buttons
[] = {
246 { /* BP1, "leftclic" */
248 .gpio
= AT91_PIN_PB6
,
250 .desc
= "left_click",
253 { /* BP2, "rightclic" */
255 .gpio
= AT91_PIN_PB7
,
257 .desc
= "right_click",
260 /* BP3, "joystick" */
263 .gpio
= AT91_PIN_PB14
,
265 .desc
= "Joystick Left",
269 .gpio
= AT91_PIN_PB15
,
271 .desc
= "Joystick Right",
275 .gpio
= AT91_PIN_PB16
,
277 .desc
= "Joystick Up",
281 .gpio
= AT91_PIN_PB17
,
283 .desc
= "Joystick Down",
287 .gpio
= AT91_PIN_PB18
,
289 .desc
= "Joystick Press",
293 static struct gpio_keys_platform_data ek_button_data
= {
294 .buttons
= ek_buttons
,
295 .nbuttons
= ARRAY_SIZE(ek_buttons
),
298 static struct platform_device ek_button_device
= {
303 .platform_data
= &ek_button_data
,
307 static void __init
ek_add_device_buttons(void)
311 for (i
= 0; i
< ARRAY_SIZE(ek_buttons
); i
++) {
312 at91_set_GPIO_periph(ek_buttons
[i
].gpio
, 1);
313 at91_set_deglitch(ek_buttons
[i
].gpio
, 1);
316 platform_device_register(&ek_button_device
);
319 static void __init
ek_add_device_buttons(void) {}
325 * reset_pin is not connected: NRST
327 static struct ac97c_platform_data ek_ac97_data
= {
332 * LEDs ... these could all be PWM-driven, for variable brightness
334 static struct gpio_led ek_leds
[] = {
335 { /* "top" led, red, powerled */
337 .gpio
= AT91_PIN_PD30
,
338 .default_trigger
= "heartbeat",
340 { /* "left" led, green, userled2, pwm3 */
342 .gpio
= AT91_PIN_PD0
,
344 .default_trigger
= "nand-disk",
346 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
347 { /* "right" led, green, userled1, pwm1 */
349 .gpio
= AT91_PIN_PD31
,
351 .default_trigger
= "mmc0",
360 static struct gpio_led ek_pwm_led
[] = {
361 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
362 { /* "right" led, green, userled1, pwm1 */
364 .gpio
= 1, /* is PWM channel number */
366 .default_trigger
= "none",
373 static void __init
ek_board_init(void)
376 at91_add_device_serial();
378 at91_add_device_usbh_ohci(&ek_usbh_hs_data
);
380 at91_add_device_usba(&ek_usba_udc_data
);
382 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
384 at91_add_device_eth(&ek_macb_data
);
386 ek_add_device_nand();
388 at91_add_device_i2c(0, NULL
, 0);
390 at91_add_device_lcdc(&ek_lcdc_data
);
392 at91_add_device_tsadcc(&ek_tsadcc_data
);
394 ek_add_device_buttons();
396 at91_add_device_ac97(&ek_ac97_data
);
398 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
399 at91_pwm_leds(ek_pwm_led
, ARRAY_SIZE(ek_pwm_led
));
402 MACHINE_START(AT91SAM9G45EKES
, "Atmel AT91SAM9G45-EKES")
403 /* Maintainer: Atmel */
404 .phys_io
= AT91_BASE_SYS
,
405 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
406 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
407 .timer
= &at91sam926x_timer
,
409 .init_irq
= ek_init_irq
,
410 .init_machine
= ek_board_init
,