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/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/hardware.h>
41 #include <mach/board.h>
42 #include <mach/gpio.h>
43 #include <mach/at91rm9200_mc.h>
44
45 #include "generic.h"
46
47
48 static void __init ek_map_io(void)
49 {
50 /* Initialize processor: 18.432 MHz crystal */
51 at91rm9200_initialize(18432000, AT91RM9200_BGA);
52
53 /* Setup the LEDs */
54 at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
55
56 /* DBGU on ttyS0. (Rx & Tx only) */
57 at91_register_uart(0, 0, 0);
58
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
62 | ATMEL_UART_RI);
63
64 /* set serial console to ttyS0 (ie, DBGU) */
65 at91_set_serial_console(0);
66 }
67
68 static void __init ek_init_irq(void)
69 {
70 at91rm9200_init_interrupts(NULL);
71 }
72
73 static struct at91_eth_data __initdata ek_eth_data = {
74 .phy_irq_pin = AT91_PIN_PC4,
75 .is_rmii = 1,
76 };
77
78 static struct at91_usbh_data __initdata ek_usbh_data = {
79 .ports = 2,
80 };
81
82 static struct at91_udc_data __initdata ek_udc_data = {
83 .vbus_pin = AT91_PIN_PD4,
84 .pullup_pin = AT91_PIN_PD5,
85 };
86
87 static struct at91_mmc_data __initdata ek_mmc_data = {
88 .det_pin = AT91_PIN_PB27,
89 .slot_b = 0,
90 .wire4 = 1,
91 .wp_pin = AT91_PIN_PA17,
92 };
93
94 static struct spi_board_info ek_spi_devices[] = {
95 { /* DataFlash chip */
96 .modalias = "mtd_dataflash",
97 .chip_select = 0,
98 .max_speed_hz = 15 * 1000 * 1000,
99 },
100 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
101 { /* DataFlash card */
102 .modalias = "mtd_dataflash",
103 .chip_select = 3,
104 .max_speed_hz = 15 * 1000 * 1000,
105 },
106 #endif
107 };
108
109 static struct i2c_board_info __initdata ek_i2c_devices[] = {
110 {
111 I2C_BOARD_INFO("ics1523", 0x26),
112 },
113 {
114 I2C_BOARD_INFO("dac3550", 0x4d),
115 }
116 };
117
118 #define EK_FLASH_BASE AT91_CHIPSELECT_0
119 #define EK_FLASH_SIZE SZ_2M
120
121 static struct physmap_flash_data ek_flash_data = {
122 .width = 2,
123 };
124
125 static struct resource ek_flash_resource = {
126 .start = EK_FLASH_BASE,
127 .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
128 .flags = IORESOURCE_MEM,
129 };
130
131 static struct platform_device ek_flash = {
132 .name = "physmap-flash",
133 .id = 0,
134 .dev = {
135 .platform_data = &ek_flash_data,
136 },
137 .resource = &ek_flash_resource,
138 .num_resources = 1,
139 };
140
141 static struct gpio_led ek_leds[] = {
142 { /* "user led 1", DS2 */
143 .name = "green",
144 .gpio = AT91_PIN_PB0,
145 .active_low = 1,
146 .default_trigger = "mmc0",
147 },
148 { /* "user led 2", DS4 */
149 .name = "yellow",
150 .gpio = AT91_PIN_PB1,
151 .active_low = 1,
152 .default_trigger = "heartbeat",
153 },
154 { /* "user led 3", DS6 */
155 .name = "red",
156 .gpio = AT91_PIN_PB2,
157 .active_low = 1,
158 }
159 };
160
161 static void __init ek_board_init(void)
162 {
163 /* Serial */
164 at91_add_device_serial();
165 /* Ethernet */
166 at91_add_device_eth(&ek_eth_data);
167 /* USB Host */
168 at91_add_device_usbh(&ek_usbh_data);
169 /* USB Device */
170 at91_add_device_udc(&ek_udc_data);
171 at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
172 /* I2C */
173 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
174 /* SPI */
175 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
176 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
177 /* DataFlash card */
178 at91_set_gpio_output(AT91_PIN_PB22, 0);
179 #else
180 /* MMC */
181 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
182 at91_add_device_mmc(0, &ek_mmc_data);
183 #endif
184 /* NOR Flash */
185 platform_device_register(&ek_flash);
186 /* LEDs */
187 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
188 /* VGA */
189 // ek_add_device_video();
190 }
191
192 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
193 /* Maintainer: SAN People/Atmel */
194 .phys_io = AT91_BASE_SYS,
195 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
196 .boot_params = AT91_SDRAM_BASE + 0x100,
197 .timer = &at91rm9200_timer,
198 .map_io = ek_map_io,
199 .init_irq = ek_init_irq,
200 .init_machine = ek_board_init,
201 MACHINE_END
202
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