9d833bbc592dcf3c10cfd4233140dd0ec34db8ff
[linux-3.10.git] / arch / arm / mach-at91 / board-picotux200.c
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/init.h>
24 #include <linux/mm.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/mtd/physmap.h>
29
30 #include <mach/hardware.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
33 #include <asm/irq.h>
34
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/irq.h>
38
39 #include <mach/board.h>
40 #include <mach/gpio.h>
41 #include <mach/at91rm9200_mc.h>
42
43 #include "generic.h"
44
45
46 /*
47  * Serial port configuration.
48  *    0 .. 3 = USART0 .. USART3
49  *    4      = DBGU
50  */
51 static struct at91_uart_config __initdata picotux200_uart_config = {
52         .console_tty    = 0,                            /* ttyS0 */
53         .nr_tty         = 2,
54         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
55 };
56
57 static void __init picotux200_map_io(void)
58 {
59         /* Initialize processor: 18.432 MHz crystal */
60         at91rm9200_initialize(18432000, AT91RM9200_BGA);
61
62         /* Setup the serial ports and console */
63         at91_init_serial(&picotux200_uart_config);
64 }
65
66 static void __init picotux200_init_irq(void)
67 {
68         at91rm9200_init_interrupts(NULL);
69 }
70
71 static struct at91_eth_data __initdata picotux200_eth_data = {
72         .phy_irq_pin    = AT91_PIN_PC4,
73         .is_rmii        = 1,
74 };
75
76 static struct at91_usbh_data __initdata picotux200_usbh_data = {
77         .ports          = 1,
78 };
79
80 // static struct at91_udc_data __initdata picotux200_udc_data = {
81 //      .vbus_pin       = AT91_PIN_PD4,
82 //      .pullup_pin     = AT91_PIN_PD5,
83 // };
84
85 static struct at91_mmc_data __initdata picotux200_mmc_data = {
86         .det_pin        = AT91_PIN_PB27,
87         .slot_b         = 0,
88         .wire4          = 1,
89         .wp_pin         = AT91_PIN_PA17,
90 };
91
92 // static struct spi_board_info picotux200_spi_devices[] = {
93 //      {       /* DataFlash chip */
94 //              .modalias       = "mtd_dataflash",
95 //              .chip_select    = 0,
96 //              .max_speed_hz   = 15 * 1000 * 1000,
97 //      },
98 // #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
99 //      {       /* DataFlash card */
100 //              .modalias       = "mtd_dataflash",
101 //              .chip_select    = 3,
102 //              .max_speed_hz   = 15 * 1000 * 1000,
103 //      },
104 // #endif
105 // };
106
107 #define PICOTUX200_FLASH_BASE   AT91_CHIPSELECT_0
108 #define PICOTUX200_FLASH_SIZE   SZ_4M
109
110 static struct physmap_flash_data picotux200_flash_data = {
111         .width  = 2,
112 };
113
114 static struct resource picotux200_flash_resource = {
115         .start          = PICOTUX200_FLASH_BASE,
116         .end            = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
117         .flags          = IORESOURCE_MEM,
118 };
119
120 static struct platform_device picotux200_flash = {
121         .name           = "physmap-flash",
122         .id             = 0,
123         .dev            = {
124                                 .platform_data  = &picotux200_flash_data,
125                         },
126         .resource       = &picotux200_flash_resource,
127         .num_resources  = 1,
128 };
129
130 static void __init picotux200_board_init(void)
131 {
132         /* Serial */
133         at91_add_device_serial();
134         /* Ethernet */
135         at91_add_device_eth(&picotux200_eth_data);
136         /* USB Host */
137         at91_add_device_usbh(&picotux200_usbh_data);
138         /* USB Device */
139         // at91_add_device_udc(&picotux200_udc_data);
140         // at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1);     /* pullup_pin is connected to reset */
141         /* I2C */
142         at91_add_device_i2c(NULL, 0);
143         /* SPI */
144         // at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
145 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
146         /* DataFlash card */
147         at91_set_gpio_output(AT91_PIN_PB22, 0);
148 #else
149         /* MMC */
150         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
151         at91_add_device_mmc(0, &picotux200_mmc_data);
152 #endif
153         /* NOR Flash */
154         platform_device_register(&picotux200_flash);
155 }
156
157 MACHINE_START(PICOTUX2XX, "picotux 200")
158         /* Maintainer: Kleinhenz Elektronik GmbH */
159         .boot_params    = AT91_SDRAM_BASE + 0x100,
160         .timer          = &at91rm9200_timer,
161         .map_io         = picotux200_map_io,
162         .init_irq       = picotux200_init_irq,
163         .init_machine   = picotux200_board_init,
164 MACHINE_END