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>
32 #include <mach/hardware.h>
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
41 #include <mach/board.h>
42 #include <mach/gpio.h>
47 static void __init ek_map_io(void)
49 /* Initialize processor: 18.432 MHz crystal */
50 at91sam9260_initialize(18432000);
52 /* DGBU on ttyS0. (Rx & Tx only) */
53 at91_register_uart(0, 0, 0);
55 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
56 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
57 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
60 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
61 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
63 /* set serial console to ttyS0 (ie, DBGU) */
64 at91_set_serial_console(0);
67 static void __init ek_init_irq(void)
69 at91sam9260_init_interrupts(NULL);
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 = 256 * 1024,
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,
189 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
200 static struct at91_mmc_data __initdata ek_mmc_data = {
203 // .det_pin = ... not connected
204 // .wp_pin = ... not connected
205 // .vcc_pin = ... not connected
212 static struct gpio_led ek_leds[] = {
213 { /* "bottom" led, green, userled1 to be defined */
215 .gpio = AT91_PIN_PA6,
217 .default_trigger = "none",
219 { /* "power" led, yellow */
221 .gpio = AT91_PIN_PA9,
222 .default_trigger = "heartbeat",
229 static struct at24_platform_data at24c512 = {
230 .byte_len = SZ_512K / 8,
232 .flags = AT24_FLAG_ADDR16,
235 static struct i2c_board_info __initdata ek_i2c_devices[] = {
237 I2C_BOARD_INFO("24c512", 0x50),
238 .platform_data = &at24c512,
240 /* more devices can be added using expansion connectors */
243 static void __init ek_board_init(void)
246 at91_add_device_serial();
248 at91_add_device_usbh(&ek_usbh_data);
250 at91_add_device_udc(&ek_udc_data);
252 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
254 at91_add_device_nand(&ek_nand_data);
256 at91_add_device_eth(&ek_macb_data);
258 at91_add_device_mmc(0, &ek_mmc_data);
260 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
261 /* SSC (to AT73C213) */
262 at73c213_set_clk(&at73c213_data);
263 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
265 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
268 MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
269 /* Maintainer: Atmel */
270 .phys_io = AT91_BASE_SYS,
271 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
272 .boot_params = AT91_SDRAM_BASE + 0x100,
273 .timer = &at91sam926x_timer,
275 .init_irq = ek_init_irq,
276 .init_machine = ek_board_init,