Linux 2.6.25-rc4
[linux-2.6/next.git] / arch / arm / mach-at91 / board-dk.c
blob0a897efeba8e5321dc8fdfec5da831aa7a554f73
1 /*
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>
26 #include <linux/mm.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>
35 #include <asm/irq.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>
45 #include "generic.h"
49 * Serial port configuration.
50 * 0 .. 3 = USART0 .. USART3
51 * 4 = DBGU
53 static struct at91_uart_config __initdata dk_uart_config = {
54 .console_tty = 0, /* ttyS0 */
55 .nr_tty = 2,
56 .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
59 static void __init dk_map_io(void)
61 /* Initialize processor: 18.432 MHz crystal */
62 at91rm9200_initialize(18432000, AT91RM9200_BGA);
64 /* Setup the LEDs */
65 at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
67 /* Setup the serial ports and console */
68 at91_init_serial(&dk_uart_config);
71 static void __init dk_init_irq(void)
73 at91rm9200_init_interrupts(NULL);
76 static struct at91_eth_data __initdata dk_eth_data = {
77 .phy_irq_pin = AT91_PIN_PC4,
78 .is_rmii = 1,
81 static struct at91_usbh_data __initdata dk_usbh_data = {
82 .ports = 2,
85 static struct at91_udc_data __initdata dk_udc_data = {
86 .vbus_pin = AT91_PIN_PD4,
87 .pullup_pin = AT91_PIN_PD5,
90 static struct at91_cf_data __initdata dk_cf_data = {
91 .det_pin = AT91_PIN_PB0,
92 .rst_pin = AT91_PIN_PC5,
93 // .irq_pin = ... not connected
94 // .vcc_pin = ... always powered
97 static struct at91_mmc_data __initdata dk_mmc_data = {
98 .slot_b = 0,
99 .wire4 = 1,
102 static struct spi_board_info dk_spi_devices[] = {
103 { /* DataFlash chip */
104 .modalias = "mtd_dataflash",
105 .chip_select = 0,
106 .max_speed_hz = 15 * 1000 * 1000,
108 { /* UR6HCPS2-SP40 PS2-to-SPI adapter */
109 .modalias = "ur6hcps2",
110 .chip_select = 1,
111 .max_speed_hz = 250 * 1000,
113 { /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
114 .modalias = "tlv1504",
115 .chip_select = 2,
116 .max_speed_hz = 20 * 1000 * 1000,
118 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
119 { /* DataFlash card */
120 .modalias = "mtd_dataflash",
121 .chip_select = 3,
122 .max_speed_hz = 15 * 1000 * 1000,
124 #endif
127 static struct i2c_board_info __initdata dk_i2c_devices[] = {
129 I2C_BOARD_INFO("ics1523", 0x26),
132 I2C_BOARD_INFO("x9429", 0x28),
135 I2C_BOARD_INFO("at24c", 0x50),
136 .type = "24c1024",
140 static struct mtd_partition __initdata dk_nand_partition[] = {
142 .name = "NAND Partition 1",
143 .offset = 0,
144 .size = MTDPART_SIZ_FULL,
148 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
150 *num_partitions = ARRAY_SIZE(dk_nand_partition);
151 return dk_nand_partition;
154 static struct at91_nand_data __initdata dk_nand_data = {
155 .ale = 22,
156 .cle = 21,
157 .det_pin = AT91_PIN_PB1,
158 .rdy_pin = AT91_PIN_PC2,
159 // .enable_pin = ... not there
160 .partition_info = nand_partitions,
163 #define DK_FLASH_BASE AT91_CHIPSELECT_0
164 #define DK_FLASH_SIZE 0x200000
166 static struct physmap_flash_data dk_flash_data = {
167 .width = 2,
170 static struct resource dk_flash_resource = {
171 .start = DK_FLASH_BASE,
172 .end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
173 .flags = IORESOURCE_MEM,
176 static struct platform_device dk_flash = {
177 .name = "physmap-flash",
178 .id = 0,
179 .dev = {
180 .platform_data = &dk_flash_data,
182 .resource = &dk_flash_resource,
183 .num_resources = 1,
186 static struct gpio_led dk_leds[] = {
188 .name = "led0",
189 .gpio = AT91_PIN_PB2,
190 .active_low = 1,
191 .default_trigger = "heartbeat",
195 static void __init dk_board_init(void)
197 /* Serial */
198 at91_add_device_serial();
199 /* Ethernet */
200 at91_add_device_eth(&dk_eth_data);
201 /* USB Host */
202 at91_add_device_usbh(&dk_usbh_data);
203 /* USB Device */
204 at91_add_device_udc(&dk_udc_data);
205 at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
206 /* Compact Flash */
207 at91_add_device_cf(&dk_cf_data);
208 /* I2C */
209 at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
210 /* SPI */
211 at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
212 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
213 /* DataFlash card */
214 at91_set_gpio_output(AT91_PIN_PB7, 0);
215 #else
216 /* MMC */
217 at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
218 at91_add_device_mmc(0, &dk_mmc_data);
219 #endif
220 /* NAND */
221 at91_add_device_nand(&dk_nand_data);
222 /* NOR Flash */
223 platform_device_register(&dk_flash);
224 /* LEDs */
225 at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
226 /* VGA */
227 // dk_add_device_video();
230 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
231 /* Maintainer: SAN People/Atmel */
232 .phys_io = AT91_BASE_SYS,
233 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
234 .boot_params = AT91_SDRAM_BASE + 0x100,
235 .timer = &at91rm9200_timer,
236 .map_io = dk_map_io,
237 .init_irq = dk_init_irq,
238 .init_machine = dk_board_init,
239 MACHINE_END