2 * linux/arch/arm/mach-at91/board-sam9263ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2007 Atmel Corporation.
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/ads7846.h>
30 #include <asm/hardware.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 <asm/arch/board.h>
40 #include <asm/arch/gpio.h>
41 #include <asm/arch/at91sam926x_mc.h>
47 * Serial port configuration.
48 * 0 .. 2 = USART0 .. USART2
51 static struct at91_uart_config __initdata ek_uart_config = {
52 .console_tty = 0, /* ttyS0 */
54 .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */
57 static void __init ek_map_io(void)
59 /* Initialize processor: 16.367 MHz crystal */
60 at91sam9263_initialize(16367660);
62 /* Setup the serial ports and console */
63 at91_init_serial(&ek_uart_config);
66 static void __init ek_init_irq(void)
68 at91sam9263_init_interrupts(NULL);
75 static struct at91_usbh_data __initdata ek_usbh_data = {
77 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
83 static struct at91_udc_data __initdata ek_udc_data = {
84 .vbus_pin = AT91_PIN_PA25,
85 .pullup_pin = 0, /* pull-up driven by UDC */
92 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
93 static int ads7843_pendown_state(void)
95 return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
98 static struct ads7846_platform_data ads_info = {
104 .vref_delay_usecs = 100,
107 .pressure_max = 15000,
110 .debounce_tol = (~0),
111 .get_pendown_state = ads7843_pendown_state,
114 static void __init ek_add_device_ts(void)
116 at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
117 at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
120 static void __init ek_add_device_ts(void) {}
126 static struct spi_board_info ek_spi_devices[] = {
127 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
128 { /* DataFlash card */
129 .modalias = "mtd_dataflash",
131 .max_speed_hz = 15 * 1000 * 1000,
135 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
137 .modalias = "ads7846",
139 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
141 .platform_data = &ads_info,
142 .irq = AT91SAM9263_ID_IRQ1,
151 static struct at91_mmc_data __initdata ek_mmc_data = {
153 .det_pin = AT91_PIN_PE18,
154 .wp_pin = AT91_PIN_PE19,
155 // .vcc_pin = ... not connected
160 * MACB Ethernet device
162 static struct at91_eth_data __initdata ek_macb_data = {
170 static struct mtd_partition __initdata ek_nand_partition[] = {
172 .name = "Partition 1",
174 .size = 64 * 1024 * 1024,
177 .name = "Partition 2",
178 .offset = 64 * 1024 * 1024,
179 .size = MTDPART_SIZ_FULL,
183 static struct mtd_partition *nand_partitions(int size, int *num_partitions)
185 *num_partitions = ARRAY_SIZE(ek_nand_partition);
186 return ek_nand_partition;
189 static struct at91_nand_data __initdata ek_nand_data = {
192 // .det_pin = ... not connected
193 .rdy_pin = AT91_PIN_PA22,
194 .enable_pin = AT91_PIN_PD15,
195 .partition_info = nand_partitions,
196 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
207 static struct atmel_ac97_data ek_ac97_data = {
208 .reset_pin = AT91_PIN_PA13,
212 static void __init ek_board_init(void)
215 at91_add_device_serial();
217 at91_add_device_usbh(&ek_usbh_data);
219 at91_add_device_udc(&ek_udc_data);
221 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
222 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
226 at91_add_device_mmc(1, &ek_mmc_data);
228 at91_add_device_eth(&ek_macb_data);
230 at91_add_device_nand(&ek_nand_data);
232 at91_add_device_i2c();
234 at91_add_device_ac97(&ek_ac97_data);
237 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
238 /* Maintainer: Atmel */
239 .phys_io = AT91_BASE_SYS,
240 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
241 .boot_params = AT91_SDRAM_BASE + 0x100,
242 .timer = &at91sam926x_timer,
244 .init_irq = ek_init_irq,
245 .init_machine = ek_board_init,