1/*
2 * linux/arch/arm/mach-at91/board-ek.c
3 *
4 *  Copyright (C) 2005 SAN People
5 *
6 *  Epson S1D framebuffer glue code is:
7 *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
8 *
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.
13 *
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.
18 *
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
22 */
23
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>
31
32#include <asm/hardware.h>
33#include <asm/setup.h>
34#include <asm/mach-types.h>
35#include <asm/irq.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40
41#include <asm/arch/board.h>
42#include <asm/arch/gpio.h>
43#include <asm/arch/at91rm9200_mc.h>
44
45#include "generic.h"
46
47
48/*
49 * Serial port configuration.
50 *    0 .. 3 = USART0 .. USART3
51 *    4      = DBGU
52 */
53static struct at91_uart_config __initdata ek_uart_config = {
54	.console_tty	= 0,				/* ttyS0 */
55	.nr_tty		= 2,
56	.tty_map	= { 4, 1, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
57};
58
59static void __init ek_map_io(void)
60{
61	/* Initialize processor: 18.432 MHz crystal */
62	at91rm9200_initialize(18432000, AT91RM9200_BGA);
63
64	/* Setup the LEDs */
65	at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
66
67	/* Setup the serial ports and console */
68	at91_init_serial(&ek_uart_config);
69}
70
71static void __init ek_init_irq(void)
72{
73	at91rm9200_init_interrupts(NULL);
74}
75
76static struct at91_eth_data __initdata ek_eth_data = {
77	.phy_irq_pin	= AT91_PIN_PC4,
78	.is_rmii	= 1,
79};
80
81static struct at91_usbh_data __initdata ek_usbh_data = {
82	.ports		= 2,
83};
84
85static struct at91_udc_data __initdata ek_udc_data = {
86	.vbus_pin	= AT91_PIN_PD4,
87	.pullup_pin	= AT91_PIN_PD5,
88};
89
90static struct at91_mmc_data __initdata ek_mmc_data = {
91	.det_pin	= AT91_PIN_PB27,
92	.slot_b		= 0,
93	.wire4		= 1,
94	.wp_pin		= AT91_PIN_PA17,
95};
96
97static struct spi_board_info ek_spi_devices[] = {
98	{	/* DataFlash chip */
99		.modalias	= "mtd_dataflash",
100		.chip_select	= 0,
101		.max_speed_hz	= 15 * 1000 * 1000,
102	},
103#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
104	{	/* DataFlash card */
105		.modalias	= "mtd_dataflash",
106		.chip_select	= 3,
107		.max_speed_hz	= 15 * 1000 * 1000,
108	},
109#endif
110};
111
112#define EK_FLASH_BASE	AT91_CHIPSELECT_0
113#define EK_FLASH_SIZE	0x200000
114
115static struct physmap_flash_data ek_flash_data = {
116	.width	= 2,
117};
118
119static struct resource ek_flash_resource = {
120	.start		= EK_FLASH_BASE,
121	.end		= EK_FLASH_BASE + EK_FLASH_SIZE - 1,
122	.flags		= IORESOURCE_MEM,
123};
124
125static struct platform_device ek_flash = {
126	.name		= "physmap-flash",
127	.id		= 0,
128	.dev		= {
129				.platform_data	= &ek_flash_data,
130			},
131	.resource	= &ek_flash_resource,
132	.num_resources	= 1,
133};
134
135
136static void __init ek_board_init(void)
137{
138	/* Serial */
139	at91_add_device_serial();
140	/* Ethernet */
141	at91_add_device_eth(&ek_eth_data);
142	/* USB Host */
143	at91_add_device_usbh(&ek_usbh_data);
144	/* USB Device */
145	at91_add_device_udc(&ek_udc_data);
146	at91_set_multi_drive(ek_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
147	/* I2C */
148	at91_add_device_i2c();
149	/* SPI */
150	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
151#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
152	/* DataFlash card */
153	at91_set_gpio_output(AT91_PIN_PB22, 0);
154#else
155	/* MMC */
156	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
157	at91_add_device_mmc(0, &ek_mmc_data);
158#endif
159	/* NOR Flash */
160	platform_device_register(&ek_flash);
161	/* VGA */
162//	ek_add_device_video();
163}
164
165MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
166	/* Maintainer: SAN People/Atmel */
167	.phys_io	= AT91_BASE_SYS,
168	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
169	.boot_params	= AT91_SDRAM_BASE + 0x100,
170	.timer		= &at91rm9200_timer,
171	.map_io		= ek_map_io,
172	.init_irq	= ek_init_irq,
173	.init_machine	= ek_board_init,
174MACHINE_END
175