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/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/at73c213.h>
30 #include <linux/clk.h>
31 #include <linux/i2c/at24.h>
32 #include <linux/gpio_keys.h>
33 #include <linux/input.h>
35 #include <asm/setup.h>
36 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
43 #include <mach/hardware.h>
44 #include <mach/board.h>
45 #include <mach/at91_aic.h>
46 #include <mach/at91sam9_smc.h>
47 #include <mach/at91_shdwc.h>
48 #include <mach/system_rev.h>
54 static void __init ek_init_early(void)
56 /* Initialize processor: 18.432 MHz crystal */
57 at91_initialize(18432000);
63 static struct at91_usbh_data __initdata ek_usbh_data = {
65 .vbus_pin = {-EINVAL, -EINVAL},
66 .overcurrent_pin= {-EINVAL, -EINVAL},
72 static struct at91_udc_data __initdata ek_udc_data = {
73 .vbus_pin = AT91_PIN_PC5,
74 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
81 static struct at73c213_board_info at73c213_data = {
83 .shortname = "AT91SAM9260-EK external DAC",
86 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
87 static void __init at73c213_set_clk(struct at73c213_board_info *info)
92 pck0 = clk_get(NULL, "pck0");
93 plla = clk_get(NULL, "plla");
95 /* AT73C213 MCK Clock */
96 at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
98 clk_set_parent(pck0, plla);
101 info->dac_clk = pck0;
104 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
110 static struct spi_board_info ek_spi_devices[] = {
111 #if !defined(CONFIG_MMC_AT91)
112 { /* DataFlash chip */
113 .modalias = "mtd_dataflash",
115 .max_speed_hz = 15 * 1000 * 1000,
118 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
119 { /* DataFlash card */
120 .modalias = "mtd_dataflash",
122 .max_speed_hz = 15 * 1000 * 1000,
127 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
129 .modalias = "at73c213",
131 .max_speed_hz = 10 * 1000 * 1000,
134 .platform_data = &at73c213_data,
141 * MACB Ethernet device
143 static struct macb_platform_data __initdata ek_macb_data = {
144 .phy_irq_pin = AT91_PIN_PA7,
152 static struct mtd_partition __initdata ek_nand_partition[] = {
154 .name = "Partition 1",
159 .name = "Partition 2",
160 .offset = MTDPART_OFS_NXTBLK,
161 .size = MTDPART_SIZ_FULL,
165 static struct atmel_nand_data __initdata ek_nand_data = {
169 .rdy_pin = AT91_PIN_PC13,
170 .enable_pin = AT91_PIN_PC14,
171 .ecc_mode = NAND_ECC_SOFT,
173 .parts = ek_nand_partition,
174 .num_parts = ARRAY_SIZE(ek_nand_partition),
177 static struct sam9_smc_config __initdata ek_nand_smc_config = {
180 .ncs_write_setup = 0,
185 .ncs_write_pulse = 3,
191 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
195 static void __init ek_add_device_nand(void)
197 ek_nand_data.bus_width_16 = board_have_nand_16bit();
198 /* setup bus-width (8 or 16) */
199 if (ek_nand_data.bus_width_16)
200 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
202 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
204 /* configure chip-select 3 (NAND) */
205 sam9_smc_configure(0, 3, &ek_nand_smc_config);
207 at91_add_device_nand(&ek_nand_data);
214 static struct at91_mmc_data __initdata ek_mmc_data = {
226 static struct gpio_led ek_leds[] = {
227 { /* "bottom" led, green, userled1 to be defined */
229 .gpio = AT91_PIN_PA6,
231 .default_trigger = "none",
233 { /* "power" led, yellow */
235 .gpio = AT91_PIN_PA9,
236 .default_trigger = "heartbeat",
243 static struct at24_platform_data at24c512 = {
244 .byte_len = SZ_512K / 8,
246 .flags = AT24_FLAG_ADDR16,
249 static struct i2c_board_info __initdata ek_i2c_devices[] = {
251 I2C_BOARD_INFO("24c512", 0x50),
252 .platform_data = &at24c512,
254 /* more devices can be added using expansion connectors */
261 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
262 static struct gpio_keys_button ek_buttons[] = {
264 .gpio = AT91_PIN_PA30,
271 .gpio = AT91_PIN_PA31,
279 static struct gpio_keys_platform_data ek_button_data = {
280 .buttons = ek_buttons,
281 .nbuttons = ARRAY_SIZE(ek_buttons),
284 static struct platform_device ek_button_device = {
289 .platform_data = &ek_button_data,
293 static void __init ek_add_device_buttons(void)
295 at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
296 at91_set_deglitch(AT91_PIN_PA30, 1);
297 at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
298 at91_set_deglitch(AT91_PIN_PA31, 1);
300 platform_device_register(&ek_button_device);
303 static void __init ek_add_device_buttons(void) {}
307 static void __init ek_board_init(void)
310 /* DBGU on ttyS0. (Rx & Tx only) */
311 at91_register_uart(0, 0, 0);
313 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
314 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
315 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
318 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
319 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
320 at91_add_device_serial();
322 at91_add_device_usbh(&ek_usbh_data);
324 at91_add_device_udc(&ek_udc_data);
326 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
328 ek_add_device_nand();
330 at91_add_device_eth(&ek_macb_data);
332 at91_add_device_mmc(0, &ek_mmc_data);
334 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
335 /* SSC (to AT73C213) */
336 at73c213_set_clk(&at73c213_data);
337 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
339 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
341 ek_add_device_buttons();
344 MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
345 /* Maintainer: Atmel */
346 .timer = &at91sam926x_timer,
347 .map_io = at91_map_io,
348 .handle_irq = at91_aic_handle_irq,
349 .init_early = ek_init_early,
350 .init_irq = at91_init_irq_default,
351 .init_machine = ek_board_init,