1 /*
2 * linux/arch/arm/mach-at91/board-picotux200.c
3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2007 Kleinhenz Elektronik GmbH
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/gpio.h>
24 #include <linux/init.h>
25 #include <linux/mm.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/mtd/physmap.h>
30
31 #include <mach/hardware.h>
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/at91rm9200_mc.h>
41 #include <mach/at91_ramc.h>
42
43 #include "at91_aic.h"
44 #include "board.h"
45 #include "generic.h"
46 #include "gpio.h"
47
48
picotux200_init_early(void)49 static void __init picotux200_init_early(void)
50 {
51 /* Initialize processor: 18.432 MHz crystal */
52 at91_initialize(18432000);
53 }
54
55 static struct macb_platform_data __initdata picotux200_eth_data = {
56 .phy_irq_pin = AT91_PIN_PC4,
57 .is_rmii = 1,
58 };
59
60 static struct at91_usbh_data __initdata picotux200_usbh_data = {
61 .ports = 1,
62 .vbus_pin = {-EINVAL, -EINVAL},
63 .overcurrent_pin= {-EINVAL, -EINVAL},
64 };
65
66 static struct mci_platform_data __initdata picotux200_mci0_data = {
67 .slot[0] = {
68 .bus_width = 4,
69 .detect_pin = AT91_PIN_PB27,
70 .wp_pin = AT91_PIN_PA17,
71 },
72 };
73
74 #define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
75 #define PICOTUX200_FLASH_SIZE SZ_4M
76
77 static struct physmap_flash_data picotux200_flash_data = {
78 .width = 2,
79 };
80
81 static struct resource picotux200_flash_resource = {
82 .start = PICOTUX200_FLASH_BASE,
83 .end = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
84 .flags = IORESOURCE_MEM,
85 };
86
87 static struct platform_device picotux200_flash = {
88 .name = "physmap-flash",
89 .id = 0,
90 .dev = {
91 .platform_data = &picotux200_flash_data,
92 },
93 .resource = &picotux200_flash_resource,
94 .num_resources = 1,
95 };
96
picotux200_board_init(void)97 static void __init picotux200_board_init(void)
98 {
99 /* Serial */
100 /* DBGU on ttyS0. (Rx & Tx only) */
101 at91_register_uart(0, 0, 0);
102
103 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
104 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
105 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
106 | ATMEL_UART_RI);
107 at91_add_device_serial();
108 /* Ethernet */
109 at91_add_device_eth(&picotux200_eth_data);
110 /* USB Host */
111 at91_add_device_usbh(&picotux200_usbh_data);
112 /* I2C */
113 at91_add_device_i2c(NULL, 0);
114 /* MMC */
115 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
116 at91_add_device_mci(0, &picotux200_mci0_data);
117 /* NOR Flash */
118 platform_device_register(&picotux200_flash);
119 }
120
121 MACHINE_START(PICOTUX2XX, "picotux 200")
122 /* Maintainer: Kleinhenz Elektronik GmbH */
123 .init_time = at91rm9200_timer_init,
124 .map_io = at91_map_io,
125 .handle_irq = at91_aic_handle_irq,
126 .init_early = picotux200_init_early,
127 .init_irq = at91_init_irq_default,
128 .init_machine = picotux200_board_init,
129 MACHINE_END
130