2 * linux/arch/arm/mach-at91/board-ek.c
4 * Copyright (C) 2005 SAN People
6 * Epson S1D framebuffer glue code is:
7 * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/types.h>
25 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/mtd/physmap.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>
43 #include <mach/at91rm9200_mc.h>
48 static void __init
ek_map_io(void)
50 /* Initialize processor: 18.432 MHz crystal */
51 at91rm9200_initialize(18432000, AT91RM9200_BGA
);
54 at91_init_leds(AT91_PIN_PB1
, AT91_PIN_PB2
);
56 /* DBGU on ttyS0. (Rx & Tx only) */
57 at91_register_uart(0, 0, 0);
59 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
60 at91_register_uart(AT91RM9200_ID_US1
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
61 | ATMEL_UART_DTR
| ATMEL_UART_DSR
| ATMEL_UART_DCD
64 /* set serial console to ttyS0 (ie, DBGU) */
65 at91_set_serial_console(0);
68 static void __init
ek_init_irq(void)
70 at91rm9200_init_interrupts(NULL
);
73 static struct at91_eth_data __initdata ek_eth_data
= {
74 .phy_irq_pin
= AT91_PIN_PC4
,
78 static struct at91_usbh_data __initdata ek_usbh_data
= {
82 static struct at91_udc_data __initdata ek_udc_data
= {
83 .vbus_pin
= AT91_PIN_PD4
,
84 .pullup_pin
= AT91_PIN_PD5
,
87 static struct at91_mmc_data __initdata ek_mmc_data
= {
88 .det_pin
= AT91_PIN_PB27
,
91 .wp_pin
= AT91_PIN_PA17
,
94 static struct spi_board_info ek_spi_devices
[] = {
95 { /* DataFlash chip */
96 .modalias
= "mtd_dataflash",
98 .max_speed_hz
= 15 * 1000 * 1000,
100 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
101 { /* DataFlash card */
102 .modalias
= "mtd_dataflash",
104 .max_speed_hz
= 15 * 1000 * 1000,
109 static struct i2c_board_info __initdata ek_i2c_devices
[] = {
111 I2C_BOARD_INFO("ics1523", 0x26),
114 I2C_BOARD_INFO("dac3550", 0x4d),
118 #define EK_FLASH_BASE AT91_CHIPSELECT_0
119 #define EK_FLASH_SIZE 0x200000
121 static struct physmap_flash_data ek_flash_data
= {
125 static struct resource ek_flash_resource
= {
126 .start
= EK_FLASH_BASE
,
127 .end
= EK_FLASH_BASE
+ EK_FLASH_SIZE
- 1,
128 .flags
= IORESOURCE_MEM
,
131 static struct platform_device ek_flash
= {
132 .name
= "physmap-flash",
135 .platform_data
= &ek_flash_data
,
137 .resource
= &ek_flash_resource
,
141 static struct gpio_led ek_leds
[] = {
142 { /* "user led 1", DS2 */
144 .gpio
= AT91_PIN_PB0
,
146 .default_trigger
= "mmc0",
148 { /* "user led 2", DS4 */
150 .gpio
= AT91_PIN_PB1
,
152 .default_trigger
= "heartbeat",
154 { /* "user led 3", DS6 */
156 .gpio
= AT91_PIN_PB2
,
161 static void __init
ek_board_init(void)
164 at91_add_device_serial();
166 at91_add_device_eth(&ek_eth_data
);
168 at91_add_device_usbh(&ek_usbh_data
);
170 at91_add_device_udc(&ek_udc_data
);
171 at91_set_multi_drive(ek_udc_data
.pullup_pin
, 1); /* pullup_pin is connected to reset */
173 at91_add_device_i2c(ek_i2c_devices
, ARRAY_SIZE(ek_i2c_devices
));
175 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
176 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
178 at91_set_gpio_output(AT91_PIN_PB22
, 0);
181 at91_set_gpio_output(AT91_PIN_PB22
, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
182 at91_add_device_mmc(0, &ek_mmc_data
);
185 platform_device_register(&ek_flash
);
187 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
189 // ek_add_device_video();
192 MACHINE_START(AT91RM9200EK
, "Atmel AT91RM9200-EK")
193 /* Maintainer: SAN People/Atmel */
194 .phys_io
= AT91_BASE_SYS
,
195 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
196 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
197 .timer
= &at91rm9200_timer
,
199 .init_irq
= ek_init_irq
,
200 .init_machine
= ek_board_init
,