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