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>
45 #include <mach/at91sam9_smc.h>
46 #include <mach/at91_shdwc.h>
47 #include <mach/system_rev.h>
53 static void __init
ek_init_early(void)
55 /* Initialize processor: 18.432 MHz crystal */
56 at91_initialize(18432000);
58 /* DBGU on ttyS0. (Rx & Tx only) */
59 at91_register_uart(0, 0, 0);
61 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
62 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
63 | ATMEL_UART_DTR
| ATMEL_UART_DSR
| ATMEL_UART_DCD
66 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
67 at91_register_uart(AT91SAM9260_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
69 /* set serial console to ttyS0 (ie, DBGU) */
70 at91_set_serial_console(0);
76 static struct at91_usbh_data __initdata ek_usbh_data
= {
83 static struct at91_udc_data __initdata ek_udc_data
= {
84 .vbus_pin
= AT91_PIN_PC5
,
85 .pullup_pin
= 0, /* pull-up driven by UDC */
92 static struct at73c213_board_info at73c213_data
= {
94 .shortname
= "AT91SAM9260-EK external DAC",
97 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
98 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
103 pck0
= clk_get(NULL
, "pck0");
104 plla
= clk_get(NULL
, "plla");
106 /* AT73C213 MCK Clock */
107 at91_set_B_periph(AT91_PIN_PC1
, 0); /* PCK0 */
109 clk_set_parent(pck0
, plla
);
112 info
->dac_clk
= pck0
;
115 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
121 static struct spi_board_info ek_spi_devices
[] = {
122 #if !defined(CONFIG_MMC_AT91)
123 { /* DataFlash chip */
124 .modalias
= "mtd_dataflash",
126 .max_speed_hz
= 15 * 1000 * 1000,
129 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
130 { /* DataFlash card */
131 .modalias
= "mtd_dataflash",
133 .max_speed_hz
= 15 * 1000 * 1000,
138 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
140 .modalias
= "at73c213",
142 .max_speed_hz
= 10 * 1000 * 1000,
145 .platform_data
= &at73c213_data
,
152 * MACB Ethernet device
154 static struct at91_eth_data __initdata ek_macb_data
= {
155 .phy_irq_pin
= AT91_PIN_PA7
,
163 static struct mtd_partition __initdata ek_nand_partition
[] = {
165 .name
= "Partition 1",
170 .name
= "Partition 2",
171 .offset
= MTDPART_OFS_NXTBLK
,
172 .size
= MTDPART_SIZ_FULL
,
176 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
178 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
179 return ek_nand_partition
;
182 static struct atmel_nand_data __initdata ek_nand_data
= {
185 // .det_pin = ... not connected
186 .rdy_pin
= AT91_PIN_PC13
,
187 .enable_pin
= AT91_PIN_PC14
,
188 .partition_info
= nand_partitions
,
191 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
194 .ncs_write_setup
= 0,
199 .ncs_write_pulse
= 3,
205 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
209 static void __init
ek_add_device_nand(void)
211 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
212 /* setup bus-width (8 or 16) */
213 if (ek_nand_data
.bus_width_16
)
214 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
216 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
218 /* configure chip-select 3 (NAND) */
219 sam9_smc_configure(3, &ek_nand_smc_config
);
221 at91_add_device_nand(&ek_nand_data
);
228 static struct at91_mmc_data __initdata ek_mmc_data
= {
231 // .det_pin = ... not connected
232 // .wp_pin = ... not connected
233 // .vcc_pin = ... not connected
240 static struct gpio_led ek_leds
[] = {
241 { /* "bottom" led, green, userled1 to be defined */
243 .gpio
= AT91_PIN_PA6
,
245 .default_trigger
= "none",
247 { /* "power" led, yellow */
249 .gpio
= AT91_PIN_PA9
,
250 .default_trigger
= "heartbeat",
257 static struct at24_platform_data at24c512
= {
258 .byte_len
= SZ_512K
/ 8,
260 .flags
= AT24_FLAG_ADDR16
,
263 static struct i2c_board_info __initdata ek_i2c_devices
[] = {
265 I2C_BOARD_INFO("24c512", 0x50),
266 .platform_data
= &at24c512
,
268 /* more devices can be added using expansion connectors */
275 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
276 static struct gpio_keys_button ek_buttons
[] = {
278 .gpio
= AT91_PIN_PA30
,
285 .gpio
= AT91_PIN_PA31
,
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)
309 at91_set_gpio_input(AT91_PIN_PA30
, 1); /* btn3 */
310 at91_set_deglitch(AT91_PIN_PA30
, 1);
311 at91_set_gpio_input(AT91_PIN_PA31
, 1); /* btn4 */
312 at91_set_deglitch(AT91_PIN_PA31
, 1);
314 platform_device_register(&ek_button_device
);
317 static void __init
ek_add_device_buttons(void) {}
321 static void __init
ek_board_init(void)
324 at91_add_device_serial();
326 at91_add_device_usbh(&ek_usbh_data
);
328 at91_add_device_udc(&ek_udc_data
);
330 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
332 ek_add_device_nand();
334 at91_add_device_eth(&ek_macb_data
);
336 at91_add_device_mmc(0, &ek_mmc_data
);
338 at91_add_device_i2c(ek_i2c_devices
, ARRAY_SIZE(ek_i2c_devices
));
339 /* SSC (to AT73C213) */
340 at73c213_set_clk(&at73c213_data
);
341 at91_add_device_ssc(AT91SAM9260_ID_SSC
, ATMEL_SSC_TX
);
343 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
345 ek_add_device_buttons();
348 MACHINE_START(AT91SAM9260EK
, "Atmel AT91SAM9260-EK")
349 /* Maintainer: Atmel */
350 .timer
= &at91sam926x_timer
,
351 .map_io
= at91_map_io
,
352 .init_early
= ek_init_early
,
353 .init_irq
= at91_init_irq_default
,
354 .init_machine
= ek_board_init
,