1 /*
2 * linux/arch/arm/mach-at91/board-rm9200ek.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/gpio.h>
26 #include <linux/init.h>
27 #include <linux/mm.h>
28 #include <linux/module.h>
29 #include <linux/platform_device.h>
30 #include <linux/spi/spi.h>
31 #include <linux/mtd/physmap.h>
32
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 <mach/hardware.h>
42 #include <mach/at91rm9200_mc.h>
43 #include <mach/at91_ramc.h>
44
45 #include "at91_aic.h"
46 #include "board.h"
47 #include "generic.h"
48 #include "gpio.h"
49
50
ek_init_early(void)51 static void __init ek_init_early(void)
52 {
53 /* Initialize processor: 18.432 MHz crystal */
54 at91_initialize(18432000);
55 }
56
57 static struct macb_platform_data __initdata ek_eth_data = {
58 .phy_irq_pin = AT91_PIN_PC4,
59 .is_rmii = 1,
60 };
61
62 static struct at91_usbh_data __initdata ek_usbh_data = {
63 .ports = 2,
64 .vbus_pin = {-EINVAL, -EINVAL},
65 .overcurrent_pin= {-EINVAL, -EINVAL},
66 };
67
68 static struct at91_udc_data __initdata ek_udc_data = {
69 .vbus_pin = AT91_PIN_PD4,
70 .pullup_pin = AT91_PIN_PD5,
71 };
72
73 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
74 static struct mci_platform_data __initdata ek_mci0_data = {
75 .slot[0] = {
76 .bus_width = 4,
77 .detect_pin = AT91_PIN_PB27,
78 .wp_pin = AT91_PIN_PA17,
79 }
80 };
81 #endif
82
83 static struct spi_board_info ek_spi_devices[] = {
84 { /* DataFlash chip */
85 .modalias = "mtd_dataflash",
86 .chip_select = 0,
87 .max_speed_hz = 15 * 1000 * 1000,
88 },
89 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
90 { /* DataFlash card */
91 .modalias = "mtd_dataflash",
92 .chip_select = 3,
93 .max_speed_hz = 15 * 1000 * 1000,
94 },
95 #endif
96 };
97
98 static struct i2c_board_info __initdata ek_i2c_devices[] = {
99 {
100 I2C_BOARD_INFO("ics1523", 0x26),
101 },
102 {
103 I2C_BOARD_INFO("dac3550", 0x4d),
104 }
105 };
106
107 #define EK_FLASH_BASE AT91_CHIPSELECT_0
108 #define EK_FLASH_SIZE SZ_8M
109
110 static struct physmap_flash_data ek_flash_data = {
111 .width = 2,
112 };
113
114 static struct resource ek_flash_resource = {
115 .start = EK_FLASH_BASE,
116 .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
117 .flags = IORESOURCE_MEM,
118 };
119
120 static struct platform_device ek_flash = {
121 .name = "physmap-flash",
122 .id = 0,
123 .dev = {
124 .platform_data = &ek_flash_data,
125 },
126 .resource = &ek_flash_resource,
127 .num_resources = 1,
128 };
129
130 static struct gpio_led ek_leds[] = {
131 { /* "user led 1", DS2 */
132 .name = "green",
133 .gpio = AT91_PIN_PB0,
134 .active_low = 1,
135 .default_trigger = "mmc0",
136 },
137 { /* "user led 2", DS4 */
138 .name = "yellow",
139 .gpio = AT91_PIN_PB1,
140 .active_low = 1,
141 .default_trigger = "heartbeat",
142 },
143 { /* "user led 3", DS6 */
144 .name = "red",
145 .gpio = AT91_PIN_PB2,
146 .active_low = 1,
147 }
148 };
149
ek_board_init(void)150 static void __init ek_board_init(void)
151 {
152 /* Serial */
153 /* DBGU on ttyS0. (Rx & Tx only) */
154 at91_register_uart(0, 0, 0);
155
156 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
157 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
158 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
159 | ATMEL_UART_RI);
160 at91_add_device_serial();
161 /* Ethernet */
162 at91_add_device_eth(&ek_eth_data);
163 /* USB Host */
164 at91_add_device_usbh(&ek_usbh_data);
165 /* USB Device */
166 at91_add_device_udc(&ek_udc_data);
167 at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
168 /* I2C */
169 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
170 /* SPI */
171 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
172 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
173 /* DataFlash card */
174 at91_set_gpio_output(AT91_PIN_PB22, 0);
175 #else
176 /* MMC */
177 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
178 at91_add_device_mci(0, &ek_mci0_data);
179 #endif
180 /* NOR Flash */
181 platform_device_register(&ek_flash);
182 /* LEDs */
183 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
184 /* VGA */
185 // ek_add_device_video();
186 }
187
188 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
189 /* Maintainer: SAN People/Atmel */
190 .init_time = at91rm9200_timer_init,
191 .map_io = at91_map_io,
192 .handle_irq = at91_aic_handle_irq,
193 .init_early = ek_init_early,
194 .init_irq = at91_init_irq_default,
195 .init_machine = ek_board_init,
196 MACHINE_END
197