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board-picotux200.c
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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/board.h>
41 #include <mach/at91_aic.h>
42 #include <mach/at91rm9200_mc.h>
43 #include <mach/at91_ramc.h>
44 
45 #include "generic.h"
46 
47 
48 static void __init picotux200_init_early(void)
49 {
50  /* Initialize processor: 18.432 MHz crystal */
51  at91_initialize(18432000);
52 }
53 
54 static struct macb_platform_data __initdata picotux200_eth_data = {
55  .phy_irq_pin = AT91_PIN_PC4,
56  .is_rmii = 1,
57 };
58 
59 static struct at91_usbh_data __initdata picotux200_usbh_data = {
60  .ports = 1,
61  .vbus_pin = {-EINVAL, -EINVAL},
62  .overcurrent_pin= {-EINVAL, -EINVAL},
63 };
64 
65 static struct mci_platform_data __initdata picotux200_mci0_data = {
66  .slot[0] = {
67  .bus_width = 4,
68  .detect_pin = AT91_PIN_PB27,
69  .wp_pin = AT91_PIN_PA17,
70  },
71 };
72 
73 #define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
74 #define PICOTUX200_FLASH_SIZE SZ_4M
75 
76 static struct physmap_flash_data picotux200_flash_data = {
77  .width = 2,
78 };
79 
80 static struct resource picotux200_flash_resource = {
81  .start = PICOTUX200_FLASH_BASE,
83  .flags = IORESOURCE_MEM,
84 };
85 
86 static struct platform_device picotux200_flash = {
87  .name = "physmap-flash",
88  .id = 0,
89  .dev = {
90  .platform_data = &picotux200_flash_data,
91  },
92  .resource = &picotux200_flash_resource,
93  .num_resources = 1,
94 };
95 
96 static void __init picotux200_board_init(void)
97 {
98  /* Serial */
99  /* DBGU on ttyS0. (Rx & Tx only) */
100  at91_register_uart(0, 0, 0);
101 
102  /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
105  | ATMEL_UART_RI);
107  /* Ethernet */
108  at91_add_device_eth(&picotux200_eth_data);
109  /* USB Host */
110  at91_add_device_usbh(&picotux200_usbh_data);
111  /* I2C */
113  /* MMC */
114  at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
115  at91_add_device_mci(0, &picotux200_mci0_data);
116  /* NOR Flash */
117  platform_device_register(&picotux200_flash);
118 }
119 
120 MACHINE_START(PICOTUX2XX, "picotux 200")
121  /* Maintainer: Kleinhenz Elektronik GmbH */
122  .timer = &at91rm9200_timer,
123  .map_io = at91_map_io,
124  .handle_irq = at91_aic_handle_irq,
125  .init_early = picotux200_init_early,
127  .init_machine = picotux200_board_init,