2 * linux/arch/arm/mach-at91/board-sam9260ek.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/at73c213.h>
29 #include <linux/clk.h>
30 #include <linux/i2c/at24.h>
31 #include <linux/gpio_keys.h>
32 #include <linux/input.h>
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
42 #include <mach/hardware.h>
43 #include <mach/board.h>
44 #include <mach/gpio.h>
49 static void __init
ek_map_io(void)
51 /* Initialize processor: 18.432 MHz crystal */
52 at91sam9260_initialize(18432000);
54 /* DGBU on ttyS0. (Rx & Tx only) */
55 at91_register_uart(0, 0, 0);
57 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
58 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
59 | ATMEL_UART_DTR
| ATMEL_UART_DSR
| ATMEL_UART_DCD
62 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
63 at91_register_uart(AT91SAM9260_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
65 /* set serial console to ttyS0 (ie, DBGU) */
66 at91_set_serial_console(0);
69 static void __init
ek_init_irq(void)
71 at91sam9260_init_interrupts(NULL
);
78 static struct at91_usbh_data __initdata ek_usbh_data
= {
85 static struct at91_udc_data __initdata ek_udc_data
= {
86 .vbus_pin
= AT91_PIN_PC5
,
87 .pullup_pin
= 0, /* pull-up driven by UDC */
94 static struct at73c213_board_info at73c213_data
= {
96 .shortname
= "AT91SAM9260-EK external DAC",
99 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
100 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
105 pck0
= clk_get(NULL
, "pck0");
106 plla
= clk_get(NULL
, "plla");
108 /* AT73C213 MCK Clock */
109 at91_set_B_periph(AT91_PIN_PC1
, 0); /* PCK0 */
111 clk_set_parent(pck0
, plla
);
114 info
->dac_clk
= pck0
;
117 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
123 static struct spi_board_info ek_spi_devices
[] = {
124 #if !defined(CONFIG_MMC_AT91)
125 { /* DataFlash chip */
126 .modalias
= "mtd_dataflash",
128 .max_speed_hz
= 15 * 1000 * 1000,
131 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
132 { /* DataFlash card */
133 .modalias
= "mtd_dataflash",
135 .max_speed_hz
= 15 * 1000 * 1000,
140 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
142 .modalias
= "at73c213",
144 .max_speed_hz
= 10 * 1000 * 1000,
147 .platform_data
= &at73c213_data
,
154 * MACB Ethernet device
156 static struct at91_eth_data __initdata ek_macb_data
= {
157 .phy_irq_pin
= AT91_PIN_PA7
,
165 static struct mtd_partition __initdata ek_nand_partition
[] = {
167 .name
= "Partition 1",
172 .name
= "Partition 2",
173 .offset
= MTDPART_OFS_NXTBLK
,
174 .size
= MTDPART_SIZ_FULL
,
178 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
180 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
181 return ek_nand_partition
;
184 static struct atmel_nand_data __initdata ek_nand_data
= {
187 // .det_pin = ... not connected
188 .rdy_pin
= AT91_PIN_PC13
,
189 .enable_pin
= AT91_PIN_PC14
,
190 .partition_info
= nand_partitions
,
191 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
202 static struct at91_mmc_data __initdata ek_mmc_data
= {
205 // .det_pin = ... not connected
206 // .wp_pin = ... not connected
207 // .vcc_pin = ... not connected
214 static struct gpio_led ek_leds
[] = {
215 { /* "bottom" led, green, userled1 to be defined */
217 .gpio
= AT91_PIN_PA6
,
219 .default_trigger
= "none",
221 { /* "power" led, yellow */
223 .gpio
= AT91_PIN_PA9
,
224 .default_trigger
= "heartbeat",
231 static struct at24_platform_data at24c512
= {
232 .byte_len
= SZ_512K
/ 8,
234 .flags
= AT24_FLAG_ADDR16
,
237 static struct i2c_board_info __initdata ek_i2c_devices
[] = {
239 I2C_BOARD_INFO("24c512", 0x50),
240 .platform_data
= &at24c512
,
242 /* more devices can be added using expansion connectors */
249 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
250 static struct gpio_keys_button ek_buttons
[] = {
252 .gpio
= AT91_PIN_PA30
,
259 .gpio
= AT91_PIN_PA31
,
267 static struct gpio_keys_platform_data ek_button_data
= {
268 .buttons
= ek_buttons
,
269 .nbuttons
= ARRAY_SIZE(ek_buttons
),
272 static struct platform_device ek_button_device
= {
277 .platform_data
= &ek_button_data
,
281 static void __init
ek_add_device_buttons(void)
283 at91_set_gpio_input(AT91_PIN_PA30
, 1); /* btn3 */
284 at91_set_deglitch(AT91_PIN_PA30
, 1);
285 at91_set_gpio_input(AT91_PIN_PA31
, 1); /* btn4 */
286 at91_set_deglitch(AT91_PIN_PA31
, 1);
288 platform_device_register(&ek_button_device
);
291 static void __init
ek_add_device_buttons(void) {}
295 static void __init
ek_board_init(void)
298 at91_add_device_serial();
300 at91_add_device_usbh(&ek_usbh_data
);
302 at91_add_device_udc(&ek_udc_data
);
304 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
306 at91_add_device_nand(&ek_nand_data
);
308 at91_add_device_eth(&ek_macb_data
);
310 at91_add_device_mmc(0, &ek_mmc_data
);
312 at91_add_device_i2c(ek_i2c_devices
, ARRAY_SIZE(ek_i2c_devices
));
313 /* SSC (to AT73C213) */
314 at73c213_set_clk(&at73c213_data
);
315 at91_add_device_ssc(AT91SAM9260_ID_SSC
, ATMEL_SSC_TX
);
317 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
319 ek_add_device_buttons();
322 MACHINE_START(AT91SAM9260EK
, "Atmel AT91SAM9260-EK")
323 /* Maintainer: Atmel */
324 .phys_io
= AT91_BASE_SYS
,
325 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
326 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
327 .timer
= &at91sam926x_timer
,
329 .init_irq
= ek_init_irq
,
330 .init_machine
= ek_board_init
,