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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-at91/
1/*
2 * linux/arch/arm/mach-at91/board-eb9200.c
3 *
4 *  Copyright (C) 2005 SAN People, adapted for ATEB9200 from Embest
5 *  by Andrew Patrikalakis
6 *
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.
11 *
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.
16 *
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
20 */
21
22#include <linux/types.h>
23#include <linux/init.h>
24#include <linux/mm.h>
25#include <linux/module.h>
26#include <linux/device.h>
27
28#include <mach/hardware.h>
29#include <asm/setup.h>
30#include <asm/mach-types.h>
31#include <asm/irq.h>
32
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35#include <asm/mach/irq.h>
36
37#include <mach/board.h>
38#include <mach/gpio.h>
39
40#include "generic.h"
41
42
43static void __init eb9200_map_io(void)
44{
45	/* Initialize processor: 18.432 MHz crystal */
46	at91rm9200_initialize(18432000, AT91RM9200_BGA);
47
48	/* DBGU on ttyS0. (Rx & Tx only) */
49	at91_register_uart(0, 0, 0);
50
51	/* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
52	at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
53			| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
54			| ATMEL_UART_RI);
55
56	/* USART2 on ttyS2. (Rx, Tx) - IRDA */
57	at91_register_uart(AT91RM9200_ID_US2, 2, 0);
58
59	/* set serial console to ttyS0 (ie, DBGU) */
60	at91_set_serial_console(0);
61}
62
63static void __init eb9200_init_irq(void)
64{
65	at91rm9200_init_interrupts(NULL);
66}
67
68static struct at91_eth_data __initdata eb9200_eth_data = {
69	.phy_irq_pin	= AT91_PIN_PC4,
70	.is_rmii	= 1,
71};
72
73static struct at91_usbh_data __initdata eb9200_usbh_data = {
74	.ports		= 2,
75};
76
77static struct at91_udc_data __initdata eb9200_udc_data = {
78	.vbus_pin	= AT91_PIN_PD4,
79	.pullup_pin	= AT91_PIN_PD5,
80};
81
82static struct at91_cf_data __initdata eb9200_cf_data = {
83	.det_pin	= AT91_PIN_PB0,
84	.rst_pin	= AT91_PIN_PC5,
85	// .irq_pin	= ... not connected
86	// .vcc_pin	= ... always powered
87};
88
89static struct at91_mmc_data __initdata eb9200_mmc_data = {
90	.slot_b		= 0,
91	.wire4		= 1,
92};
93
94static struct i2c_board_info __initdata eb9200_i2c_devices[] = {
95	{
96		I2C_BOARD_INFO("24c512", 0x50),
97	},
98};
99
100
101static void __init eb9200_board_init(void)
102{
103	/* Serial */
104	at91_add_device_serial();
105	/* Ethernet */
106	at91_add_device_eth(&eb9200_eth_data);
107	/* USB Host */
108	at91_add_device_usbh(&eb9200_usbh_data);
109	/* USB Device */
110	at91_add_device_udc(&eb9200_udc_data);
111	/* I2C */
112	at91_add_device_i2c(eb9200_i2c_devices, ARRAY_SIZE(eb9200_i2c_devices));
113	/* Compact Flash */
114	at91_add_device_cf(&eb9200_cf_data);
115	/* SPI */
116	at91_add_device_spi(NULL, 0);
117	/* MMC */
118	/* only supports 1 or 4 bit interface, not wired through to SPI */
119	at91_add_device_mmc(0, &eb9200_mmc_data);
120}
121
122MACHINE_START(ATEB9200, "Embest ATEB9200")
123	.phys_io	= AT91_BASE_SYS,
124	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
125	.boot_params	= AT91_SDRAM_BASE + 0x100,
126	.timer		= &at91rm9200_timer,
127	.map_io		= eb9200_map_io,
128	.init_irq	= eb9200_init_irq,
129	.init_machine	= eb9200_board_init,
130MACHINE_END
131