1 /*
2 * linux/arch/arm/mach-at91/board-carmeva.c
3 *
4 * Copyright (c) 2005 Peer Georgi
5 * Conitec Datasystems
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include <linux/types.h>
23 #include <linux/init.h>
24 #include <linux/mm.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27
28 #include <asm/setup.h>
29 #include <asm/mach-types.h>
30 #include <asm/irq.h>
31
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
35
36 #include <mach/hardware.h>
37 #include <mach/board.h>
38 #include <mach/gpio.h>
39
40 #include "generic.h"
41
42
carmeva_map_io(void)43 static void __init carmeva_map_io(void)
44 {
45 /* Initialize processor: 20.000 MHz crystal */
46 at91rm9200_initialize(20000000, AT91RM9200_BGA);
47
48 /* DBGU on ttyS0. (Rx & Tx only) */
49 at91_register_uart(0, 0, 0);
50
51 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
52 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
53 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
54 | ATMEL_UART_RI);
55
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
58 }
59
carmeva_init_irq(void)60 static void __init carmeva_init_irq(void)
61 {
62 at91rm9200_init_interrupts(NULL);
63 }
64
65 static struct at91_eth_data __initdata carmeva_eth_data = {
66 .phy_irq_pin = AT91_PIN_PC4,
67 .is_rmii = 1,
68 };
69
70 static struct at91_usbh_data __initdata carmeva_usbh_data = {
71 .ports = 2,
72 };
73
74 static struct at91_udc_data __initdata carmeva_udc_data = {
75 .vbus_pin = AT91_PIN_PD12,
76 .pullup_pin = AT91_PIN_PD9,
77 };
78
79 /* FIXME: user dependant */
80 // static struct at91_cf_data __initdata carmeva_cf_data = {
81 // .det_pin = AT91_PIN_PB0,
82 // .rst_pin = AT91_PIN_PC5,
83 // .irq_pin = ... not connected
84 // .vcc_pin = ... always powered
85 // };
86
87 static struct at91_mmc_data __initdata carmeva_mmc_data = {
88 .slot_b = 0,
89 .wire4 = 1,
90 .det_pin = AT91_PIN_PB10,
91 .wp_pin = AT91_PIN_PC14,
92 };
93
94 static struct spi_board_info carmeva_spi_devices[] = {
95 { /* DataFlash chip */
96 .modalias = "mtd_dataflash",
97 .chip_select = 0,
98 .max_speed_hz = 10 * 1000 * 1000,
99 },
100 { /* User accessible spi - cs1 (250KHz) */
101 .modalias = "spi-cs1",
102 .chip_select = 1,
103 .max_speed_hz = 250 * 1000,
104 },
105 { /* User accessible spi - cs2 (1MHz) */
106 .modalias = "spi-cs2",
107 .chip_select = 2,
108 .max_speed_hz = 1 * 1000 * 1000,
109 },
110 { /* User accessible spi - cs3 (10MHz) */
111 .modalias = "spi-cs3",
112 .chip_select = 3,
113 .max_speed_hz = 10 * 1000 * 1000,
114 },
115 };
116
117 static struct gpio_led carmeva_leds[] = {
118 { /* "user led 1", LED9 */
119 .name = "led9",
120 .gpio = AT91_PIN_PA21,
121 .active_low = 1,
122 .default_trigger = "heartbeat",
123 },
124 { /* "user led 2", LED10 */
125 .name = "led10",
126 .gpio = AT91_PIN_PA25,
127 .active_low = 1,
128 },
129 { /* "user led 3", LED11 */
130 .name = "led11",
131 .gpio = AT91_PIN_PA26,
132 .active_low = 1,
133 },
134 { /* "user led 4", LED12 */
135 .name = "led12",
136 .gpio = AT91_PIN_PA18,
137 .active_low = 1,
138 }
139 };
140
carmeva_board_init(void)141 static void __init carmeva_board_init(void)
142 {
143 /* Serial */
144 at91_add_device_serial();
145 /* Ethernet */
146 at91_add_device_eth(&carmeva_eth_data);
147 /* USB Host */
148 at91_add_device_usbh(&carmeva_usbh_data);
149 /* USB Device */
150 at91_add_device_udc(&carmeva_udc_data);
151 /* I2C */
152 at91_add_device_i2c(NULL, 0);
153 /* SPI */
154 at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
155 /* Compact Flash */
156 // at91_add_device_cf(&carmeva_cf_data);
157 /* MMC */
158 at91_add_device_mmc(0, &carmeva_mmc_data);
159 /* LEDs */
160 at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
161 }
162
163 MACHINE_START(CARMEVA, "Carmeva")
164 /* Maintainer: Conitec Datasystems */
165 .phys_io = AT91_BASE_SYS,
166 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
167 .boot_params = AT91_SDRAM_BASE + 0x100,
168 .timer = &at91rm9200_timer,
169 .map_io = carmeva_map_io,
170 .init_irq = carmeva_init_irq,
171 .init_machine = carmeva_board_init,
172 MACHINE_END
173