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-rw-r--r--arch/arm/mach-at91/board-ek.c174
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diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c
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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(&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