2 * linux/arch/arm/mach-at91/board-dk.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 <asm/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 <asm/arch/board.h>
42 #include <asm/arch/gpio.h>
43 #include <asm/arch/at91rm9200_mc.h>
48 static void __init dk_map_io(void)
50 /* Initialize processor: 18.432 MHz crystal */
51 at91rm9200_initialize(18432000, AT91RM9200_BGA);
54 at91_init_leds(AT91_PIN_PB2, 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 dk_init_irq(void)
70 at91rm9200_init_interrupts(NULL);
73 static struct at91_eth_data __initdata dk_eth_data = {
74 .phy_irq_pin = AT91_PIN_PC4,
78 static struct at91_usbh_data __initdata dk_usbh_data = {
82 static struct at91_udc_data __initdata dk_udc_data = {
83 .vbus_pin = AT91_PIN_PD4,
84 .pullup_pin = AT91_PIN_PD5,
87 static struct at91_cf_data __initdata dk_cf_data = {
88 .det_pin = AT91_PIN_PB0,
89 .rst_pin = AT91_PIN_PC5,
90 // .irq_pin = ... not connected
91 // .vcc_pin = ... always powered
94 static struct at91_mmc_data __initdata dk_mmc_data = {
99 static struct spi_board_info dk_spi_devices[] = {
100 { /* DataFlash chip */
101 .modalias = "mtd_dataflash",
103 .max_speed_hz = 15 * 1000 * 1000,
105 { /* UR6HCPS2-SP40 PS2-to-SPI adapter */
106 .modalias = "ur6hcps2",
108 .max_speed_hz = 250 * 1000,
110 { /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
111 .modalias = "tlv1504",
113 .max_speed_hz = 20 * 1000 * 1000,
115 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
116 { /* DataFlash card */
117 .modalias = "mtd_dataflash",
119 .max_speed_hz = 15 * 1000 * 1000,
124 static struct i2c_board_info __initdata dk_i2c_devices[] = {
126 I2C_BOARD_INFO("ics1523", 0x26),
129 I2C_BOARD_INFO("x9429", 0x28),
132 I2C_BOARD_INFO("24c1024", 0x50),
136 static struct mtd_partition __initdata dk_nand_partition[] = {
138 .name = "NAND Partition 1",
140 .size = MTDPART_SIZ_FULL,
144 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
146 *num_partitions = ARRAY_SIZE(dk_nand_partition);
147 return dk_nand_partition;
150 static struct at91_nand_data __initdata dk_nand_data = {
153 .det_pin = AT91_PIN_PB1,
154 .rdy_pin = AT91_PIN_PC2,
155 // .enable_pin = ... not there
156 .partition_info = nand_partitions,
159 #define DK_FLASH_BASE AT91_CHIPSELECT_0
160 #define DK_FLASH_SIZE 0x200000
162 static struct physmap_flash_data dk_flash_data = {
166 static struct resource dk_flash_resource = {
167 .start = DK_FLASH_BASE,
168 .end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
169 .flags = IORESOURCE_MEM,
172 static struct platform_device dk_flash = {
173 .name = "physmap-flash",
176 .platform_data = &dk_flash_data,
178 .resource = &dk_flash_resource,
182 static struct gpio_led dk_leds[] = {
185 .gpio = AT91_PIN_PB2,
187 .default_trigger = "heartbeat",
191 static void __init dk_board_init(void)
194 at91_add_device_serial();
196 at91_add_device_eth(&dk_eth_data);
198 at91_add_device_usbh(&dk_usbh_data);
200 at91_add_device_udc(&dk_udc_data);
201 at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
203 at91_add_device_cf(&dk_cf_data);
205 at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
207 at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
208 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
210 at91_set_gpio_output(AT91_PIN_PB7, 0);
213 at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
214 at91_add_device_mmc(0, &dk_mmc_data);
217 at91_add_device_nand(&dk_nand_data);
219 platform_device_register(&dk_flash);
221 at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
223 // dk_add_device_video();
226 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
227 /* Maintainer: SAN People/Atmel */
228 .phys_io = AT91_BASE_SYS,
229 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
230 .boot_params = AT91_SDRAM_BASE + 0x100,
231 .timer = &at91rm9200_timer,
233 .init_irq = dk_init_irq,
234 .init_machine = dk_board_init,